68893afe1d
This isn't exactly equivalent with the earlier code for codecs other than H264 and VC1, but those are two only codecs supported by this codepath anyway, and it simplifies it a bit. Signed-off-by: Martin Storsjö <martin@martin.st>
3401 lines
116 KiB
C
3401 lines
116 KiB
C
/*
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* MOV, 3GP, MP4 muxer
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* Copyright (c) 2003 Thomas Raivio
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* Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
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* Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "movenc.h"
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#include "avformat.h"
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#include "avio_internal.h"
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#include "riff.h"
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#include "avio.h"
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#include "isom.h"
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#include "avc.h"
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#include "libavcodec/get_bits.h"
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#include "libavcodec/put_bits.h"
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#include "libavcodec/vc1.h"
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#include "internal.h"
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#include "libavutil/avstring.h"
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#include "libavutil/intfloat.h"
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#include "libavutil/mathematics.h"
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#include "libavutil/opt.h"
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#include "libavutil/dict.h"
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#include "rtpenc.h"
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#include "mov_chan.h"
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#undef NDEBUG
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#include <assert.h>
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static const AVOption options[] = {
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{ "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "empty_moov", "Make the initial moov atom empty (not supported by QuickTime)", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "isml", "Create a live smooth streaming feed (for pushing to a publishing point)", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags)
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{ "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.dbl = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
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{ "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
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{ "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
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{ "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
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{ "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext, min_fragment_duration), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
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{ "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
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{ "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
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{ NULL },
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};
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#define MOV_CLASS(flavor)\
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static const AVClass flavor ## _muxer_class = {\
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.class_name = #flavor " muxer",\
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.item_name = av_default_item_name,\
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.option = options,\
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.version = LIBAVUTIL_VERSION_INT,\
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};
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//FIXME support 64 bit variant with wide placeholders
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static int64_t update_size(AVIOContext *pb, int64_t pos)
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{
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int64_t curpos = avio_tell(pb);
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avio_seek(pb, pos, SEEK_SET);
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avio_wb32(pb, curpos - pos); /* rewrite size */
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avio_seek(pb, curpos, SEEK_SET);
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return curpos - pos;
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}
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/* Chunk offset atom */
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static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
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{
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int i;
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int mode64 = 0; // use 32 bit size variant if possible
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int64_t pos = avio_tell(pb);
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avio_wb32(pb, 0); /* size */
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if (pos > UINT32_MAX) {
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mode64 = 1;
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ffio_wfourcc(pb, "co64");
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} else
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ffio_wfourcc(pb, "stco");
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avio_wb32(pb, 0); /* version & flags */
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avio_wb32(pb, track->entry); /* entry count */
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for (i=0; i<track->entry; i++) {
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if(mode64 == 1)
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avio_wb64(pb, track->cluster[i].pos + track->data_offset);
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else
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avio_wb32(pb, track->cluster[i].pos + track->data_offset);
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}
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return update_size(pb, pos);
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}
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/* Sample size atom */
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static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
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{
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int equalChunks = 1;
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int i, j, entries = 0, tst = -1, oldtst = -1;
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int64_t pos = avio_tell(pb);
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avio_wb32(pb, 0); /* size */
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ffio_wfourcc(pb, "stsz");
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avio_wb32(pb, 0); /* version & flags */
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for (i=0; i<track->entry; i++) {
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tst = track->cluster[i].size/track->cluster[i].entries;
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if(oldtst != -1 && tst != oldtst) {
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equalChunks = 0;
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}
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oldtst = tst;
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entries += track->cluster[i].entries;
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}
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if (equalChunks && track->entry) {
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int sSize = track->entry ? track->cluster[0].size/track->cluster[0].entries : 0;
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sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
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avio_wb32(pb, sSize); // sample size
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avio_wb32(pb, entries); // sample count
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}
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else {
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avio_wb32(pb, 0); // sample size
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avio_wb32(pb, entries); // sample count
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for (i=0; i<track->entry; i++) {
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for (j=0; j<track->cluster[i].entries; j++) {
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avio_wb32(pb, track->cluster[i].size /
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track->cluster[i].entries);
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}
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}
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}
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return update_size(pb, pos);
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}
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/* Sample to chunk atom */
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static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
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{
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int index = 0, oldval = -1, i;
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int64_t entryPos, curpos;
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int64_t pos = avio_tell(pb);
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avio_wb32(pb, 0); /* size */
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ffio_wfourcc(pb, "stsc");
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avio_wb32(pb, 0); // version & flags
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entryPos = avio_tell(pb);
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avio_wb32(pb, track->entry); // entry count
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for (i=0; i<track->entry; i++) {
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if (oldval != track->cluster[i].samples_in_chunk)
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{
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avio_wb32(pb, i+1); // first chunk
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avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
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avio_wb32(pb, 0x1); // sample description index
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oldval = track->cluster[i].samples_in_chunk;
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index++;
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}
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}
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curpos = avio_tell(pb);
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avio_seek(pb, entryPos, SEEK_SET);
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avio_wb32(pb, index); // rewrite size
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avio_seek(pb, curpos, SEEK_SET);
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return update_size(pb, pos);
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}
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/* Sync sample atom */
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static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
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{
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int64_t curpos, entryPos;
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int i, index = 0;
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int64_t pos = avio_tell(pb);
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avio_wb32(pb, 0); // size
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ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
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avio_wb32(pb, 0); // version & flags
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entryPos = avio_tell(pb);
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avio_wb32(pb, track->entry); // entry count
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for (i=0; i<track->entry; i++) {
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if (track->cluster[i].flags & flag) {
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avio_wb32(pb, i+1);
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index++;
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}
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}
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curpos = avio_tell(pb);
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avio_seek(pb, entryPos, SEEK_SET);
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avio_wb32(pb, index); // rewrite size
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avio_seek(pb, curpos, SEEK_SET);
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return update_size(pb, pos);
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}
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static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
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{
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avio_wb32(pb, 0x11); /* size */
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if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
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else ffio_wfourcc(pb, "damr");
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ffio_wfourcc(pb, "FFMP");
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avio_w8(pb, 0); /* decoder version */
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avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
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avio_w8(pb, 0x00); /* Mode change period (no restriction) */
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avio_w8(pb, 0x01); /* Frames per sample */
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return 0x11;
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}
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static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
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{
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GetBitContext gbc;
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PutBitContext pbc;
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uint8_t buf[3];
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int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
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if (track->vos_len < 7)
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return -1;
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avio_wb32(pb, 11);
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ffio_wfourcc(pb, "dac3");
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init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
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fscod = get_bits(&gbc, 2);
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frmsizecod = get_bits(&gbc, 6);
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bsid = get_bits(&gbc, 5);
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bsmod = get_bits(&gbc, 3);
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acmod = get_bits(&gbc, 3);
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if (acmod == 2) {
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skip_bits(&gbc, 2); // dsurmod
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} else {
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if ((acmod & 1) && acmod != 1)
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skip_bits(&gbc, 2); // cmixlev
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if (acmod & 4)
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skip_bits(&gbc, 2); // surmixlev
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}
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lfeon = get_bits1(&gbc);
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init_put_bits(&pbc, buf, sizeof(buf));
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put_bits(&pbc, 2, fscod);
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put_bits(&pbc, 5, bsid);
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put_bits(&pbc, 3, bsmod);
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put_bits(&pbc, 3, acmod);
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put_bits(&pbc, 1, lfeon);
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put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
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put_bits(&pbc, 5, 0); // reserved
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flush_put_bits(&pbc);
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avio_write(pb, buf, sizeof(buf));
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return 11;
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}
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/**
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* This function writes extradata "as is".
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* Extradata must be formatted like a valid atom (with size and tag).
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*/
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static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
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{
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avio_write(pb, track->enc->extradata, track->enc->extradata_size);
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return track->enc->extradata_size;
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}
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static int mov_write_enda_tag(AVIOContext *pb)
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{
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avio_wb32(pb, 10);
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ffio_wfourcc(pb, "enda");
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avio_wb16(pb, 1); /* little endian */
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return 10;
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}
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static void put_descr(AVIOContext *pb, int tag, unsigned int size)
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{
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int i = 3;
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avio_w8(pb, tag);
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for(; i>0; i--)
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avio_w8(pb, (size>>(7*i)) | 0x80);
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avio_w8(pb, size & 0x7F);
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}
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static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
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{
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int64_t pos = avio_tell(pb);
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int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
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avio_wb32(pb, 0); // size
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ffio_wfourcc(pb, "esds");
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avio_wb32(pb, 0); // Version
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// ES descriptor
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put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
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avio_wb16(pb, track->track_id);
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avio_w8(pb, 0x00); // flags (= no flags)
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// DecoderConfig descriptor
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put_descr(pb, 0x04, 13 + decoder_specific_info_len);
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// Object type indication
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if ((track->enc->codec_id == CODEC_ID_MP2 ||
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track->enc->codec_id == CODEC_ID_MP3) &&
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track->enc->sample_rate > 24000)
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avio_w8(pb, 0x6B); // 11172-3
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else
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avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
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// the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
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// plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
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if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
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avio_w8(pb, 0x15); // flags (= Audiostream)
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else
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avio_w8(pb, 0x11); // flags (= Visualstream)
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avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
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avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
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avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
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if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
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avio_wb32(pb, 0); // vbr
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else
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avio_wb32(pb, track->enc->rc_max_rate); // avg bitrate
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if (track->vos_len) {
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// DecoderSpecific info descriptor
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put_descr(pb, 0x05, track->vos_len);
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avio_write(pb, track->vos_data, track->vos_len);
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}
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// SL descriptor
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put_descr(pb, 0x06, 1);
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avio_w8(pb, 0x02);
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return update_size(pb, pos);
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}
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static int mov_pcm_le_gt16(enum CodecID codec_id)
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{
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return codec_id == CODEC_ID_PCM_S24LE ||
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codec_id == CODEC_ID_PCM_S32LE ||
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codec_id == CODEC_ID_PCM_F32LE ||
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codec_id == CODEC_ID_PCM_F64LE;
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}
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static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
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{
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int64_t pos = avio_tell(pb);
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avio_wb32(pb, 0);
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avio_wl32(pb, track->tag); // store it byteswapped
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track->enc->codec_tag = av_bswap16(track->tag >> 16);
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ff_put_wav_header(pb, track->enc);
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return update_size(pb, pos);
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}
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static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
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{
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int64_t pos = avio_tell(pb);
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avio_wb32(pb, 0);
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ffio_wfourcc(pb, "wfex");
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ff_put_wav_header(pb, track->enc);
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return update_size(pb, pos);
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}
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static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
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{
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uint32_t layout_tag, bitmap;
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int64_t pos = avio_tell(pb);
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layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
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track->enc->channel_layout,
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&bitmap);
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if (!layout_tag) {
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av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
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"lack of channel information\n");
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return 0;
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}
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avio_wb32(pb, 0); // Size
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ffio_wfourcc(pb, "chan"); // Type
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avio_w8(pb, 0); // Version
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avio_wb24(pb, 0); // Flags
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avio_wb32(pb, layout_tag); // mChannelLayoutTag
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avio_wb32(pb, bitmap); // mChannelBitmap
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avio_wb32(pb, 0); // mNumberChannelDescriptions
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return update_size(pb, pos);
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}
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static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
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{
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int64_t pos = avio_tell(pb);
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avio_wb32(pb, 0); /* size */
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ffio_wfourcc(pb, "wave");
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avio_wb32(pb, 12); /* size */
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ffio_wfourcc(pb, "frma");
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avio_wl32(pb, track->tag);
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if (track->enc->codec_id == CODEC_ID_AAC) {
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/* useless atom needed by mplayer, ipod, not needed by quicktime */
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avio_wb32(pb, 12); /* size */
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ffio_wfourcc(pb, "mp4a");
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avio_wb32(pb, 0);
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mov_write_esds_tag(pb, track);
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} else if (mov_pcm_le_gt16(track->enc->codec_id)) {
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mov_write_enda_tag(pb);
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} else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
|
|
mov_write_amr_tag(pb, track);
|
|
} else if (track->enc->codec_id == CODEC_ID_AC3) {
|
|
mov_write_chan_tag(pb, track);
|
|
mov_write_ac3_tag(pb, track);
|
|
} else if (track->enc->codec_id == CODEC_ID_ALAC) {
|
|
mov_write_extradata_tag(pb, track);
|
|
} else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
|
|
track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
|
|
mov_write_ms_tag(pb, track);
|
|
}
|
|
|
|
avio_wb32(pb, 8); /* size */
|
|
avio_wb32(pb, 0); /* null tag */
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
|
|
{
|
|
uint8_t *unescaped;
|
|
const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
|
|
int unescaped_size, seq_found = 0;
|
|
int level = 0, interlace = 0;
|
|
int packet_seq = track->vc1_info.packet_seq;
|
|
int packet_entry = track->vc1_info.packet_entry;
|
|
int slices = track->vc1_info.slices;
|
|
PutBitContext pbc;
|
|
|
|
if (track->start_dts == AV_NOPTS_VALUE) {
|
|
/* No packets written yet, vc1_info isn't authoritative yet. */
|
|
/* Assume inline sequence and entry headers. This will be
|
|
* overwritten at the end if the file is seekable. */
|
|
packet_seq = packet_entry = 1;
|
|
}
|
|
|
|
unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
|
|
if (!unescaped)
|
|
return AVERROR(ENOMEM);
|
|
start = find_next_marker(track->vos_data, end);
|
|
for (next = start; next < end; start = next) {
|
|
GetBitContext gb;
|
|
int size;
|
|
next = find_next_marker(start + 4, end);
|
|
size = next - start - 4;
|
|
if (size <= 0)
|
|
continue;
|
|
unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
|
|
init_get_bits(&gb, unescaped, 8 * unescaped_size);
|
|
if (AV_RB32(start) == VC1_CODE_SEQHDR) {
|
|
int profile = get_bits(&gb, 2);
|
|
if (profile != PROFILE_ADVANCED) {
|
|
av_free(unescaped);
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
seq_found = 1;
|
|
level = get_bits(&gb, 3);
|
|
/* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
|
|
* width, height */
|
|
skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
|
|
skip_bits(&gb, 1); /* broadcast */
|
|
interlace = get_bits1(&gb);
|
|
skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
|
|
}
|
|
}
|
|
if (!seq_found) {
|
|
av_free(unescaped);
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
init_put_bits(&pbc, buf, 7);
|
|
/* VC1DecSpecStruc */
|
|
put_bits(&pbc, 4, 12); /* profile - advanced */
|
|
put_bits(&pbc, 3, level);
|
|
put_bits(&pbc, 1, 0); /* reserved */
|
|
/* VC1AdvDecSpecStruc */
|
|
put_bits(&pbc, 3, level);
|
|
put_bits(&pbc, 1, 0); /* cbr */
|
|
put_bits(&pbc, 6, 0); /* reserved */
|
|
put_bits(&pbc, 1, !interlace); /* no interlace */
|
|
put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
|
|
put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
|
|
put_bits(&pbc, 1, !slices); /* no slice code */
|
|
put_bits(&pbc, 1, 0); /* no bframe */
|
|
put_bits(&pbc, 1, 0); /* reserved */
|
|
put_bits32(&pbc, track->enc->time_base.den); /* framerate */
|
|
flush_put_bits(&pbc);
|
|
|
|
av_free(unescaped);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
uint8_t buf[7] = { 0 };
|
|
int ret;
|
|
|
|
if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
|
|
return ret;
|
|
|
|
avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
|
|
ffio_wfourcc(pb, "dvc1");
|
|
track->vc1_info.struct_offset = avio_tell(pb);
|
|
avio_write(pb, buf, sizeof(buf));
|
|
avio_write(pb, track->vos_data, track->vos_len);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
avio_wb32(pb, track->vos_len + 8);
|
|
ffio_wfourcc(pb, "glbl");
|
|
avio_write(pb, track->vos_data, track->vos_len);
|
|
return 8 + track->vos_len;
|
|
}
|
|
|
|
/**
|
|
* Compute flags for 'lpcm' tag.
|
|
* See CoreAudioTypes and AudioStreamBasicDescription at Apple.
|
|
*/
|
|
static int mov_get_lpcm_flags(enum CodecID codec_id)
|
|
{
|
|
switch (codec_id) {
|
|
case CODEC_ID_PCM_F32BE:
|
|
case CODEC_ID_PCM_F64BE:
|
|
return 11;
|
|
case CODEC_ID_PCM_F32LE:
|
|
case CODEC_ID_PCM_F64LE:
|
|
return 9;
|
|
case CODEC_ID_PCM_U8:
|
|
return 10;
|
|
case CODEC_ID_PCM_S16BE:
|
|
case CODEC_ID_PCM_S24BE:
|
|
case CODEC_ID_PCM_S32BE:
|
|
return 14;
|
|
case CODEC_ID_PCM_S8:
|
|
case CODEC_ID_PCM_S16LE:
|
|
case CODEC_ID_PCM_S24LE:
|
|
case CODEC_ID_PCM_S32LE:
|
|
return 12;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static int get_cluster_duration(MOVTrack *track, int cluster_idx)
|
|
{
|
|
int64_t next_dts;
|
|
|
|
if (cluster_idx >= track->entry)
|
|
return 0;
|
|
|
|
if (cluster_idx + 1 == track->entry)
|
|
next_dts = track->track_duration + track->start_dts;
|
|
else
|
|
next_dts = track->cluster[cluster_idx + 1].dts;
|
|
|
|
return next_dts - track->cluster[cluster_idx].dts;
|
|
}
|
|
|
|
static int get_samples_per_packet(MOVTrack *track)
|
|
{
|
|
int i, first_duration;
|
|
|
|
/* use 1 for raw PCM */
|
|
if (!track->audio_vbr)
|
|
return 1;
|
|
|
|
/* check to see if duration is constant for all clusters */
|
|
if (!track->entry)
|
|
return 0;
|
|
first_duration = get_cluster_duration(track, 0);
|
|
for (i = 1; i < track->entry; i++) {
|
|
if (get_cluster_duration(track, i) != first_duration)
|
|
return 0;
|
|
}
|
|
return first_duration;
|
|
}
|
|
|
|
static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int version = 0;
|
|
uint32_t tag = track->tag;
|
|
|
|
if (track->mode == MODE_MOV) {
|
|
if (mov_get_lpcm_flags(track->enc->codec_id))
|
|
tag = AV_RL32("lpcm");
|
|
version = 2;
|
|
}
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
avio_wl32(pb, tag); // store it byteswapped
|
|
avio_wb32(pb, 0); /* Reserved */
|
|
avio_wb16(pb, 0); /* Reserved */
|
|
avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
|
|
|
|
/* SoundDescription */
|
|
avio_wb16(pb, version); /* Version */
|
|
avio_wb16(pb, 0); /* Revision level */
|
|
avio_wb32(pb, 0); /* Reserved */
|
|
|
|
if (version == 2) {
|
|
avio_wb16(pb, 3);
|
|
avio_wb16(pb, 16);
|
|
avio_wb16(pb, 0xfffe);
|
|
avio_wb16(pb, 0);
|
|
avio_wb32(pb, 0x00010000);
|
|
avio_wb32(pb, 72);
|
|
avio_wb64(pb, av_double2int(track->enc->sample_rate));
|
|
avio_wb32(pb, track->enc->channels);
|
|
avio_wb32(pb, 0x7F000000);
|
|
avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
|
|
avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
|
|
avio_wb32(pb, track->sample_size);
|
|
avio_wb32(pb, get_samples_per_packet(track));
|
|
} else {
|
|
/* reserved for mp4/3gp */
|
|
avio_wb16(pb, 2);
|
|
avio_wb16(pb, 16);
|
|
avio_wb16(pb, 0);
|
|
|
|
avio_wb16(pb, 0); /* packet size (= 0) */
|
|
avio_wb16(pb, track->enc->sample_rate);
|
|
avio_wb16(pb, 0); /* Reserved */
|
|
}
|
|
|
|
if(track->mode == MODE_MOV &&
|
|
(track->enc->codec_id == CODEC_ID_AAC ||
|
|
track->enc->codec_id == CODEC_ID_AC3 ||
|
|
track->enc->codec_id == CODEC_ID_AMR_NB ||
|
|
track->enc->codec_id == CODEC_ID_ALAC ||
|
|
track->enc->codec_id == CODEC_ID_ADPCM_MS ||
|
|
track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
|
|
mov_pcm_le_gt16(track->enc->codec_id)))
|
|
mov_write_wave_tag(pb, track);
|
|
else if(track->tag == MKTAG('m','p','4','a'))
|
|
mov_write_esds_tag(pb, track);
|
|
else if(track->enc->codec_id == CODEC_ID_AMR_NB)
|
|
mov_write_amr_tag(pb, track);
|
|
else if(track->enc->codec_id == CODEC_ID_AC3)
|
|
mov_write_ac3_tag(pb, track);
|
|
else if(track->enc->codec_id == CODEC_ID_ALAC)
|
|
mov_write_extradata_tag(pb, track);
|
|
else if (track->enc->codec_id == CODEC_ID_WMAPRO)
|
|
mov_write_wfex_tag(pb, track);
|
|
else if (track->vos_len > 0)
|
|
mov_write_glbl_tag(pb, track);
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_d263_tag(AVIOContext *pb)
|
|
{
|
|
avio_wb32(pb, 0xf); /* size */
|
|
ffio_wfourcc(pb, "d263");
|
|
ffio_wfourcc(pb, "FFMP");
|
|
avio_w8(pb, 0); /* decoder version */
|
|
/* FIXME use AVCodecContext level/profile, when encoder will set values */
|
|
avio_w8(pb, 0xa); /* level */
|
|
avio_w8(pb, 0); /* profile */
|
|
return 0xf;
|
|
}
|
|
|
|
/* TODO: No idea about these values */
|
|
static int mov_write_svq3_tag(AVIOContext *pb)
|
|
{
|
|
avio_wb32(pb, 0x15);
|
|
ffio_wfourcc(pb, "SMI ");
|
|
ffio_wfourcc(pb, "SEQH");
|
|
avio_wb32(pb, 0x5);
|
|
avio_wb32(pb, 0xe2c0211d);
|
|
avio_wb32(pb, 0xc0000000);
|
|
avio_w8(pb, 0);
|
|
return 0x15;
|
|
}
|
|
|
|
static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
|
|
avio_wb32(pb, 0);
|
|
ffio_wfourcc(pb, "avcC");
|
|
ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
/* also used by all avid codecs (dv, imx, meridien) and their variants */
|
|
static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int i;
|
|
avio_wb32(pb, 24); /* size */
|
|
ffio_wfourcc(pb, "ACLR");
|
|
ffio_wfourcc(pb, "ACLR");
|
|
ffio_wfourcc(pb, "0001");
|
|
avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
|
|
avio_wb32(pb, 0); /* unknown */
|
|
|
|
avio_wb32(pb, 24); /* size */
|
|
ffio_wfourcc(pb, "APRG");
|
|
ffio_wfourcc(pb, "APRG");
|
|
ffio_wfourcc(pb, "0001");
|
|
avio_wb32(pb, 1); /* unknown */
|
|
avio_wb32(pb, 0); /* unknown */
|
|
|
|
avio_wb32(pb, 120); /* size */
|
|
ffio_wfourcc(pb, "ARES");
|
|
ffio_wfourcc(pb, "ARES");
|
|
ffio_wfourcc(pb, "0001");
|
|
avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
|
|
avio_wb32(pb, track->enc->width);
|
|
/* values below are based on samples created with quicktime and avid codecs */
|
|
if (track->vos_data[5] & 2) { // interlaced
|
|
avio_wb32(pb, track->enc->height/2);
|
|
avio_wb32(pb, 2); /* unknown */
|
|
avio_wb32(pb, 0); /* unknown */
|
|
avio_wb32(pb, 4); /* unknown */
|
|
} else {
|
|
avio_wb32(pb, track->enc->height);
|
|
avio_wb32(pb, 1); /* unknown */
|
|
avio_wb32(pb, 0); /* unknown */
|
|
if (track->enc->height == 1080)
|
|
avio_wb32(pb, 5); /* unknown */
|
|
else
|
|
avio_wb32(pb, 6); /* unknown */
|
|
}
|
|
/* padding */
|
|
for (i = 0; i < 10; i++)
|
|
avio_wb64(pb, 0);
|
|
|
|
/* extra padding for stsd needed */
|
|
avio_wb32(pb, 0);
|
|
return 0;
|
|
}
|
|
|
|
static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
|
|
{
|
|
int tag = track->enc->codec_tag;
|
|
|
|
if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
|
|
return 0;
|
|
|
|
if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
|
|
else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
|
|
else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
|
|
else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
|
|
else if (track->enc->codec_id == CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
|
|
else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
|
|
else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
|
|
|
|
return tag;
|
|
}
|
|
|
|
static const AVCodecTag codec_ipod_tags[] = {
|
|
{ CODEC_ID_H264, MKTAG('a','v','c','1') },
|
|
{ CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
|
|
{ CODEC_ID_AAC, MKTAG('m','p','4','a') },
|
|
{ CODEC_ID_ALAC, MKTAG('a','l','a','c') },
|
|
{ CODEC_ID_AC3, MKTAG('a','c','-','3') },
|
|
{ CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
|
|
{ CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
|
|
{ CODEC_ID_NONE, 0 },
|
|
};
|
|
|
|
static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
|
|
{
|
|
int tag = track->enc->codec_tag;
|
|
|
|
// keep original tag for subs, ipod supports both formats
|
|
if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
|
|
(tag == MKTAG('t','x','3','g') ||
|
|
tag == MKTAG('t','e','x','t'))))
|
|
tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
|
|
|
|
if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
|
|
av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
|
|
"Quicktime/Ipod might not play the file\n");
|
|
|
|
return tag;
|
|
}
|
|
|
|
static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
|
|
{
|
|
int tag;
|
|
|
|
if (track->enc->width == 720) /* SD */
|
|
if (track->enc->height == 480) /* NTSC */
|
|
if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
|
|
else tag = MKTAG('d','v','c',' ');
|
|
else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
|
|
else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
|
|
else tag = MKTAG('d','v','p','p');
|
|
else if (track->enc->height == 720) /* HD 720 line */
|
|
if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
|
|
else tag = MKTAG('d','v','h','p');
|
|
else if (track->enc->height == 1080) /* HD 1080 line */
|
|
if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
|
|
else tag = MKTAG('d','v','h','6');
|
|
else {
|
|
av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
|
|
return 0;
|
|
}
|
|
|
|
return tag;
|
|
}
|
|
|
|
static const struct {
|
|
enum PixelFormat pix_fmt;
|
|
uint32_t tag;
|
|
unsigned bps;
|
|
} mov_pix_fmt_tags[] = {
|
|
{ PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
|
|
{ PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
|
|
{ PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
|
|
{ PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
|
|
{ PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
|
|
{ PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
|
|
{ PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
|
|
{ PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
|
|
{ PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
|
|
{ PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
|
|
{ PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
|
|
{ PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
|
|
{ PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
|
|
{ PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
|
|
};
|
|
|
|
static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
|
|
{
|
|
int tag = track->enc->codec_tag;
|
|
int i;
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
|
|
if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
|
|
tag = mov_pix_fmt_tags[i].tag;
|
|
track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return tag;
|
|
}
|
|
|
|
static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
|
|
{
|
|
int tag = track->enc->codec_tag;
|
|
|
|
if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
|
|
(track->enc->codec_id == CODEC_ID_DVVIDEO ||
|
|
track->enc->codec_id == CODEC_ID_RAWVIDEO ||
|
|
track->enc->codec_id == CODEC_ID_H263 ||
|
|
av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
|
|
if (track->enc->codec_id == CODEC_ID_DVVIDEO)
|
|
tag = mov_get_dv_codec_tag(s, track);
|
|
else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
|
|
tag = mov_get_rawvideo_codec_tag(s, track);
|
|
else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
|
|
if (!tag) { // if no mac fcc found, try with Microsoft tags
|
|
tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
|
|
if (tag)
|
|
av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
|
|
"the file may be unplayable!\n");
|
|
}
|
|
} else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
|
|
tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
|
|
if (!tag) { // if no mac fcc found, try with Microsoft tags
|
|
int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
|
|
if (ms_tag) {
|
|
tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
|
|
av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
|
|
"the file may be unplayable!\n");
|
|
}
|
|
}
|
|
} else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
|
|
tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
|
|
}
|
|
|
|
return tag;
|
|
}
|
|
|
|
static const AVCodecTag codec_3gp_tags[] = {
|
|
{ CODEC_ID_H263, MKTAG('s','2','6','3') },
|
|
{ CODEC_ID_H264, MKTAG('a','v','c','1') },
|
|
{ CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
|
|
{ CODEC_ID_AAC, MKTAG('m','p','4','a') },
|
|
{ CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
|
|
{ CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
|
|
{ CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
|
|
{ CODEC_ID_NONE, 0 },
|
|
};
|
|
|
|
static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
|
|
{
|
|
int tag = track->enc->codec_tag;
|
|
|
|
if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
|
|
tag = mp4_get_codec_tag(s, track);
|
|
else if (track->mode == MODE_ISM) {
|
|
tag = mp4_get_codec_tag(s, track);
|
|
if (!tag && track->enc->codec_id == CODEC_ID_WMAPRO)
|
|
tag = MKTAG('w', 'm', 'a', ' ');
|
|
} else if (track->mode == MODE_IPOD)
|
|
tag = ipod_get_codec_tag(s, track);
|
|
else if (track->mode & MODE_3GP)
|
|
tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
|
|
else
|
|
tag = mov_get_codec_tag(s, track);
|
|
|
|
return tag;
|
|
}
|
|
|
|
/** Write uuid atom.
|
|
* Needed to make file play in iPods running newest firmware
|
|
* goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
|
|
*/
|
|
static int mov_write_uuid_tag_ipod(AVIOContext *pb)
|
|
{
|
|
avio_wb32(pb, 28);
|
|
ffio_wfourcc(pb, "uuid");
|
|
avio_wb32(pb, 0x6b6840f2);
|
|
avio_wb32(pb, 0x5f244fc5);
|
|
avio_wb32(pb, 0xba39a51b);
|
|
avio_wb32(pb, 0xcf0323f3);
|
|
avio_wb32(pb, 0x0);
|
|
return 28;
|
|
}
|
|
|
|
static const uint16_t fiel_data[] = {
|
|
0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
|
|
};
|
|
|
|
static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
unsigned mov_field_order = 0;
|
|
if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
|
|
mov_field_order = fiel_data[track->enc->field_order];
|
|
else
|
|
return 0;
|
|
avio_wb32(pb, 10);
|
|
ffio_wfourcc(pb, "fiel");
|
|
avio_wb16(pb, mov_field_order);
|
|
return 10;
|
|
}
|
|
|
|
static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
avio_wl32(pb, track->tag); // store it byteswapped
|
|
avio_wb32(pb, 0); /* Reserved */
|
|
avio_wb16(pb, 0); /* Reserved */
|
|
avio_wb16(pb, 1); /* Data-reference index */
|
|
|
|
if (track->enc->extradata_size)
|
|
avio_write(pb, track->enc->extradata, track->enc->extradata_size);
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
AVRational sar;
|
|
av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
|
|
track->enc->sample_aspect_ratio.den, INT_MAX);
|
|
|
|
avio_wb32(pb, 16);
|
|
ffio_wfourcc(pb, "pasp");
|
|
avio_wb32(pb, sar.num);
|
|
avio_wb32(pb, sar.den);
|
|
return 16;
|
|
}
|
|
|
|
static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
char compressor_name[32];
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
avio_wl32(pb, track->tag); // store it byteswapped
|
|
avio_wb32(pb, 0); /* Reserved */
|
|
avio_wb16(pb, 0); /* Reserved */
|
|
avio_wb16(pb, 1); /* Data-reference index */
|
|
|
|
avio_wb16(pb, 0); /* Codec stream version */
|
|
avio_wb16(pb, 0); /* Codec stream revision (=0) */
|
|
if (track->mode == MODE_MOV) {
|
|
ffio_wfourcc(pb, "FFMP"); /* Vendor */
|
|
if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
|
|
avio_wb32(pb, 0); /* Temporal Quality */
|
|
avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
|
|
} else {
|
|
avio_wb32(pb, 0x200); /* Temporal Quality = normal */
|
|
avio_wb32(pb, 0x200); /* Spatial Quality = normal */
|
|
}
|
|
} else {
|
|
avio_wb32(pb, 0); /* Reserved */
|
|
avio_wb32(pb, 0); /* Reserved */
|
|
avio_wb32(pb, 0); /* Reserved */
|
|
}
|
|
avio_wb16(pb, track->enc->width); /* Video width */
|
|
avio_wb16(pb, track->height); /* Video height */
|
|
avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
|
|
avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
|
|
avio_wb32(pb, 0); /* Data size (= 0) */
|
|
avio_wb16(pb, 1); /* Frame count (= 1) */
|
|
|
|
memset(compressor_name,0,32);
|
|
/* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
|
|
if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
|
|
av_strlcpy(compressor_name,track->enc->codec->name,32);
|
|
avio_w8(pb, strlen(compressor_name));
|
|
avio_write(pb, compressor_name, 31);
|
|
|
|
if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
|
|
avio_wb16(pb, track->enc->bits_per_coded_sample);
|
|
else
|
|
avio_wb16(pb, 0x18); /* Reserved */
|
|
avio_wb16(pb, 0xffff); /* Reserved */
|
|
if(track->tag == MKTAG('m','p','4','v'))
|
|
mov_write_esds_tag(pb, track);
|
|
else if(track->enc->codec_id == CODEC_ID_H263)
|
|
mov_write_d263_tag(pb);
|
|
else if(track->enc->codec_id == CODEC_ID_SVQ3)
|
|
mov_write_svq3_tag(pb);
|
|
else if(track->enc->codec_id == CODEC_ID_DNXHD)
|
|
mov_write_avid_tag(pb, track);
|
|
else if(track->enc->codec_id == CODEC_ID_H264) {
|
|
mov_write_avcc_tag(pb, track);
|
|
if(track->mode == MODE_IPOD)
|
|
mov_write_uuid_tag_ipod(pb);
|
|
} else if (track->enc->field_order != AV_FIELD_UNKNOWN)
|
|
mov_write_fiel_tag(pb, track);
|
|
else if (track->enc->codec_id == CODEC_ID_VC1 && track->vos_len > 0)
|
|
mov_write_dvc1_tag(pb, track);
|
|
else if (track->vos_len > 0)
|
|
mov_write_glbl_tag(pb, track);
|
|
|
|
if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
|
|
track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
|
|
mov_write_pasp_tag(pb, track);
|
|
}
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "rtp ");
|
|
avio_wb32(pb, 0); /* Reserved */
|
|
avio_wb16(pb, 0); /* Reserved */
|
|
avio_wb16(pb, 1); /* Data-reference index */
|
|
|
|
avio_wb16(pb, 1); /* Hint track version */
|
|
avio_wb16(pb, 1); /* Highest compatible version */
|
|
avio_wb32(pb, track->max_packet_size); /* Max packet size */
|
|
|
|
avio_wb32(pb, 12); /* size */
|
|
ffio_wfourcc(pb, "tims");
|
|
avio_wb32(pb, track->timescale);
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "stsd");
|
|
avio_wb32(pb, 0); /* version & flags */
|
|
avio_wb32(pb, 1); /* entry count */
|
|
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
|
|
mov_write_video_tag(pb, track);
|
|
else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
|
|
mov_write_audio_tag(pb, track);
|
|
else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
|
|
mov_write_subtitle_tag(pb, track);
|
|
else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
|
|
mov_write_rtp_tag(pb, track);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
MOVStts *ctts_entries;
|
|
uint32_t entries = 0;
|
|
uint32_t atom_size;
|
|
int i;
|
|
|
|
ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
|
|
ctts_entries[0].count = 1;
|
|
ctts_entries[0].duration = track->cluster[0].cts;
|
|
for (i=1; i<track->entry; i++) {
|
|
if (track->cluster[i].cts == ctts_entries[entries].duration) {
|
|
ctts_entries[entries].count++; /* compress */
|
|
} else {
|
|
entries++;
|
|
ctts_entries[entries].duration = track->cluster[i].cts;
|
|
ctts_entries[entries].count = 1;
|
|
}
|
|
}
|
|
entries++; /* last one */
|
|
atom_size = 16 + (entries * 8);
|
|
avio_wb32(pb, atom_size); /* size */
|
|
ffio_wfourcc(pb, "ctts");
|
|
avio_wb32(pb, 0); /* version & flags */
|
|
avio_wb32(pb, entries); /* entry count */
|
|
for (i=0; i<entries; i++) {
|
|
avio_wb32(pb, ctts_entries[i].count);
|
|
avio_wb32(pb, ctts_entries[i].duration);
|
|
}
|
|
av_free(ctts_entries);
|
|
return atom_size;
|
|
}
|
|
|
|
/* Time to sample atom */
|
|
static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
MOVStts *stts_entries;
|
|
uint32_t entries = -1;
|
|
uint32_t atom_size;
|
|
int i;
|
|
|
|
if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
|
|
stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
|
|
stts_entries[0].count = track->sample_count;
|
|
stts_entries[0].duration = 1;
|
|
entries = 1;
|
|
} else {
|
|
stts_entries = track->entry ?
|
|
av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
|
|
NULL;
|
|
for (i=0; i<track->entry; i++) {
|
|
int duration = get_cluster_duration(track, i);
|
|
if (i && duration == stts_entries[entries].duration) {
|
|
stts_entries[entries].count++; /* compress */
|
|
} else {
|
|
entries++;
|
|
stts_entries[entries].duration = duration;
|
|
stts_entries[entries].count = 1;
|
|
}
|
|
}
|
|
entries++; /* last one */
|
|
}
|
|
atom_size = 16 + (entries * 8);
|
|
avio_wb32(pb, atom_size); /* size */
|
|
ffio_wfourcc(pb, "stts");
|
|
avio_wb32(pb, 0); /* version & flags */
|
|
avio_wb32(pb, entries); /* entry count */
|
|
for (i=0; i<entries; i++) {
|
|
avio_wb32(pb, stts_entries[i].count);
|
|
avio_wb32(pb, stts_entries[i].duration);
|
|
}
|
|
av_free(stts_entries);
|
|
return atom_size;
|
|
}
|
|
|
|
static int mov_write_dref_tag(AVIOContext *pb)
|
|
{
|
|
avio_wb32(pb, 28); /* size */
|
|
ffio_wfourcc(pb, "dref");
|
|
avio_wb32(pb, 0); /* version & flags */
|
|
avio_wb32(pb, 1); /* entry count */
|
|
|
|
avio_wb32(pb, 0xc); /* size */
|
|
ffio_wfourcc(pb, "url ");
|
|
avio_wb32(pb, 1); /* version & flags */
|
|
|
|
return 28;
|
|
}
|
|
|
|
static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "stbl");
|
|
mov_write_stsd_tag(pb, track);
|
|
mov_write_stts_tag(pb, track);
|
|
if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
|
|
track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
|
|
track->has_keyframes && track->has_keyframes < track->entry)
|
|
mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
|
|
if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
|
|
mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
|
|
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
|
|
track->flags & MOV_TRACK_CTTS)
|
|
mov_write_ctts_tag(pb, track);
|
|
mov_write_stsc_tag(pb, track);
|
|
mov_write_stsz_tag(pb, track);
|
|
mov_write_stco_tag(pb, track);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_dinf_tag(AVIOContext *pb)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "dinf");
|
|
mov_write_dref_tag(pb);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_nmhd_tag(AVIOContext *pb)
|
|
{
|
|
avio_wb32(pb, 12);
|
|
ffio_wfourcc(pb, "nmhd");
|
|
avio_wb32(pb, 0);
|
|
return 12;
|
|
}
|
|
|
|
static int mov_write_gmhd_tag(AVIOContext *pb)
|
|
{
|
|
avio_wb32(pb, 0x20); /* size */
|
|
ffio_wfourcc(pb, "gmhd");
|
|
avio_wb32(pb, 0x18); /* gmin size */
|
|
ffio_wfourcc(pb, "gmin");/* generic media info */
|
|
avio_wb32(pb, 0); /* version & flags */
|
|
avio_wb16(pb, 0x40); /* graphics mode = */
|
|
avio_wb16(pb, 0x8000); /* opColor (r?) */
|
|
avio_wb16(pb, 0x8000); /* opColor (g?) */
|
|
avio_wb16(pb, 0x8000); /* opColor (b?) */
|
|
avio_wb16(pb, 0); /* balance */
|
|
avio_wb16(pb, 0); /* reserved */
|
|
return 0x20;
|
|
}
|
|
|
|
static int mov_write_smhd_tag(AVIOContext *pb)
|
|
{
|
|
avio_wb32(pb, 16); /* size */
|
|
ffio_wfourcc(pb, "smhd");
|
|
avio_wb32(pb, 0); /* version & flags */
|
|
avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
|
|
avio_wb16(pb, 0); /* reserved */
|
|
return 16;
|
|
}
|
|
|
|
static int mov_write_vmhd_tag(AVIOContext *pb)
|
|
{
|
|
avio_wb32(pb, 0x14); /* size (always 0x14) */
|
|
ffio_wfourcc(pb, "vmhd");
|
|
avio_wb32(pb, 0x01); /* version & flags */
|
|
avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
|
|
return 0x14;
|
|
}
|
|
|
|
static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
const char *hdlr, *descr = NULL, *hdlr_type = NULL;
|
|
int64_t pos = avio_tell(pb);
|
|
|
|
if (!track) { /* no media --> data handler */
|
|
hdlr = "dhlr";
|
|
hdlr_type = "url ";
|
|
descr = "DataHandler";
|
|
} else {
|
|
hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
|
|
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
hdlr_type = "vide";
|
|
descr = "VideoHandler";
|
|
} else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
|
|
hdlr_type = "soun";
|
|
descr = "SoundHandler";
|
|
} else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
|
|
if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
|
|
else hdlr_type = "text";
|
|
descr = "SubtitleHandler";
|
|
} else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
|
|
hdlr_type = "hint";
|
|
descr = "HintHandler";
|
|
}
|
|
}
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "hdlr");
|
|
avio_wb32(pb, 0); /* Version & flags */
|
|
avio_write(pb, hdlr, 4); /* handler */
|
|
ffio_wfourcc(pb, hdlr_type); /* handler type */
|
|
avio_wb32(pb ,0); /* reserved */
|
|
avio_wb32(pb ,0); /* reserved */
|
|
avio_wb32(pb ,0); /* reserved */
|
|
if (!track || track->mode == MODE_MOV)
|
|
avio_w8(pb, strlen(descr)); /* pascal string */
|
|
avio_write(pb, descr, strlen(descr)); /* handler description */
|
|
if (track && track->mode != MODE_MOV)
|
|
avio_w8(pb, 0); /* c string */
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_hmhd_tag(AVIOContext *pb)
|
|
{
|
|
/* This atom must be present, but leaving the values at zero
|
|
* seems harmless. */
|
|
avio_wb32(pb, 28); /* size */
|
|
ffio_wfourcc(pb, "hmhd");
|
|
avio_wb32(pb, 0); /* version, flags */
|
|
avio_wb16(pb, 0); /* maxPDUsize */
|
|
avio_wb16(pb, 0); /* avgPDUsize */
|
|
avio_wb32(pb, 0); /* maxbitrate */
|
|
avio_wb32(pb, 0); /* avgbitrate */
|
|
avio_wb32(pb, 0); /* reserved */
|
|
return 28;
|
|
}
|
|
|
|
static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "minf");
|
|
if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
|
|
mov_write_vmhd_tag(pb);
|
|
else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
|
|
mov_write_smhd_tag(pb);
|
|
else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
|
|
if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
|
|
else mov_write_nmhd_tag(pb);
|
|
} else if (track->tag == MKTAG('r','t','p',' ')) {
|
|
mov_write_hmhd_tag(pb);
|
|
}
|
|
if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
|
|
mov_write_hdlr_tag(pb, NULL);
|
|
mov_write_dinf_tag(pb);
|
|
mov_write_stbl_tag(pb, track);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int version = track->track_duration < INT32_MAX ? 0 : 1;
|
|
|
|
if (track->mode == MODE_ISM)
|
|
version = 1;
|
|
|
|
(version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
|
|
ffio_wfourcc(pb, "mdhd");
|
|
avio_w8(pb, version);
|
|
avio_wb24(pb, 0); /* flags */
|
|
if (version == 1) {
|
|
avio_wb64(pb, track->time);
|
|
avio_wb64(pb, track->time);
|
|
} else {
|
|
avio_wb32(pb, track->time); /* creation time */
|
|
avio_wb32(pb, track->time); /* modification time */
|
|
}
|
|
avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
|
|
if (!track->entry)
|
|
(version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
|
|
else
|
|
(version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
|
|
avio_wb16(pb, track->language); /* language */
|
|
avio_wb16(pb, 0); /* reserved (quality) */
|
|
|
|
if(version!=0 && track->mode == MODE_MOV){
|
|
av_log(NULL, AV_LOG_ERROR,
|
|
"FATAL error, file duration too long for timebase, this file will not be\n"
|
|
"playable with quicktime. Choose a different timebase or a different\n"
|
|
"container format\n");
|
|
}
|
|
|
|
return 32;
|
|
}
|
|
|
|
static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "mdia");
|
|
mov_write_mdhd_tag(pb, track);
|
|
mov_write_hdlr_tag(pb, track);
|
|
mov_write_minf_tag(pb, track);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
|
|
{
|
|
int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
|
|
track->timescale, AV_ROUND_UP);
|
|
int version = duration < INT32_MAX ? 0 : 1;
|
|
|
|
if (track->mode == MODE_ISM)
|
|
version = 1;
|
|
|
|
(version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
|
|
ffio_wfourcc(pb, "tkhd");
|
|
avio_w8(pb, version);
|
|
avio_wb24(pb, 0xf); /* flags (track enabled) */
|
|
if (version == 1) {
|
|
avio_wb64(pb, track->time);
|
|
avio_wb64(pb, track->time);
|
|
} else {
|
|
avio_wb32(pb, track->time); /* creation time */
|
|
avio_wb32(pb, track->time); /* modification time */
|
|
}
|
|
avio_wb32(pb, track->track_id); /* track-id */
|
|
avio_wb32(pb, 0); /* reserved */
|
|
if (!track->entry)
|
|
(version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
|
|
else
|
|
(version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
|
|
|
|
avio_wb32(pb, 0); /* reserved */
|
|
avio_wb32(pb, 0); /* reserved */
|
|
avio_wb16(pb, 0); /* layer */
|
|
avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
|
|
/* Volume, only for audio */
|
|
if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
|
|
avio_wb16(pb, 0x0100);
|
|
else
|
|
avio_wb16(pb, 0);
|
|
avio_wb16(pb, 0); /* reserved */
|
|
|
|
/* Matrix structure */
|
|
avio_wb32(pb, 0x00010000); /* reserved */
|
|
avio_wb32(pb, 0x0); /* reserved */
|
|
avio_wb32(pb, 0x0); /* reserved */
|
|
avio_wb32(pb, 0x0); /* reserved */
|
|
avio_wb32(pb, 0x00010000); /* reserved */
|
|
avio_wb32(pb, 0x0); /* reserved */
|
|
avio_wb32(pb, 0x0); /* reserved */
|
|
avio_wb32(pb, 0x0); /* reserved */
|
|
avio_wb32(pb, 0x40000000); /* reserved */
|
|
|
|
/* Track width and height, for visual only */
|
|
if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
|
|
track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
|
|
if(track->mode == MODE_MOV) {
|
|
avio_wb32(pb, track->enc->width << 16);
|
|
avio_wb32(pb, track->height << 16);
|
|
} else {
|
|
double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
|
|
if(!sample_aspect_ratio || track->height != track->enc->height)
|
|
sample_aspect_ratio = 1;
|
|
avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
|
|
avio_wb32(pb, track->height*0x10000);
|
|
}
|
|
}
|
|
else {
|
|
avio_wb32(pb, 0);
|
|
avio_wb32(pb, 0);
|
|
}
|
|
return 0x5c;
|
|
}
|
|
|
|
static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
|
|
track->enc->sample_aspect_ratio.den);
|
|
|
|
int64_t pos = avio_tell(pb);
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "tapt");
|
|
|
|
avio_wb32(pb, 20);
|
|
ffio_wfourcc(pb, "clef");
|
|
avio_wb32(pb, 0);
|
|
avio_wb32(pb, width << 16);
|
|
avio_wb32(pb, track->enc->height << 16);
|
|
|
|
avio_wb32(pb, 20);
|
|
ffio_wfourcc(pb, "enof");
|
|
avio_wb32(pb, 0);
|
|
avio_wb32(pb, track->enc->width << 16);
|
|
avio_wb32(pb, track->enc->height << 16);
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
// This box seems important for the psp playback ... without it the movie seems to hang
|
|
static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
|
|
track->timescale, AV_ROUND_UP);
|
|
int version = duration < INT32_MAX ? 0 : 1;
|
|
int entry_size, entry_count, size;
|
|
int64_t delay, start_ct = track->cluster[0].cts;
|
|
delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
|
|
track->timescale, AV_ROUND_DOWN);
|
|
version |= delay < INT32_MAX ? 0 : 1;
|
|
|
|
entry_size = (version == 1) ? 20 : 12;
|
|
entry_count = 1 + (delay > 0);
|
|
size = 24 + entry_count * entry_size;
|
|
|
|
/* write the atom data */
|
|
avio_wb32(pb, size);
|
|
ffio_wfourcc(pb, "edts");
|
|
avio_wb32(pb, size - 8);
|
|
ffio_wfourcc(pb, "elst");
|
|
avio_w8(pb, version);
|
|
avio_wb24(pb, 0); /* flags */
|
|
|
|
avio_wb32(pb, entry_count);
|
|
if (delay > 0) { /* add an empty edit to delay presentation */
|
|
if (version == 1) {
|
|
avio_wb64(pb, delay);
|
|
avio_wb64(pb, -1);
|
|
} else {
|
|
avio_wb32(pb, delay);
|
|
avio_wb32(pb, -1);
|
|
}
|
|
avio_wb32(pb, 0x00010000);
|
|
}
|
|
|
|
/* duration */
|
|
if (version == 1) {
|
|
avio_wb64(pb, duration);
|
|
avio_wb64(pb, start_ct);
|
|
} else {
|
|
avio_wb32(pb, duration);
|
|
avio_wb32(pb, start_ct);
|
|
}
|
|
avio_wb32(pb, 0x00010000);
|
|
return size;
|
|
}
|
|
|
|
static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
avio_wb32(pb, 20); // size
|
|
ffio_wfourcc(pb, "tref");
|
|
avio_wb32(pb, 12); // size (subatom)
|
|
avio_wl32(pb, track->tref_tag);
|
|
avio_wb32(pb, track->tref_id);
|
|
return 20;
|
|
}
|
|
|
|
// goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
|
|
static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
|
|
{
|
|
avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
|
|
ffio_wfourcc(pb, "uuid");
|
|
ffio_wfourcc(pb, "USMT");
|
|
avio_wb32(pb, 0x21d24fce);
|
|
avio_wb32(pb, 0xbb88695c);
|
|
avio_wb32(pb, 0xfac9c740);
|
|
avio_wb32(pb, 0x1c); // another size here!
|
|
ffio_wfourcc(pb, "MTDT");
|
|
avio_wb32(pb, 0x00010012);
|
|
avio_wb32(pb, 0x0a);
|
|
avio_wb32(pb, 0x55c40000);
|
|
avio_wb32(pb, 0x1);
|
|
avio_wb32(pb, 0x0);
|
|
return 0x34;
|
|
}
|
|
|
|
static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
|
|
{
|
|
char buf[1000] = "";
|
|
int len;
|
|
|
|
ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
|
|
av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
|
|
len = strlen(buf);
|
|
|
|
avio_wb32(pb, len + 24);
|
|
ffio_wfourcc(pb, "udta");
|
|
avio_wb32(pb, len + 16);
|
|
ffio_wfourcc(pb, "hnti");
|
|
avio_wb32(pb, len + 8);
|
|
ffio_wfourcc(pb, "sdp ");
|
|
avio_write(pb, buf, len);
|
|
return len + 24;
|
|
}
|
|
|
|
static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
MOVTrack *track, AVStream *st)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "trak");
|
|
mov_write_tkhd_tag(pb, track, st);
|
|
if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS ||
|
|
(track->entry && track->cluster[0].dts)) {
|
|
if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
|
|
mov_write_edts_tag(pb, track); // PSP Movies require edts box
|
|
}
|
|
if (track->tref_tag)
|
|
mov_write_tref_tag(pb, track);
|
|
mov_write_mdia_tag(pb, track);
|
|
if (track->mode == MODE_PSP)
|
|
mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
|
|
if (track->tag == MKTAG('r','t','p',' '))
|
|
mov_write_udta_sdp(pb, track->rtp_ctx, track->track_id);
|
|
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
|
|
double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
|
|
if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
|
|
mov_write_tapt_tag(pb, track);
|
|
};
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
|
|
{
|
|
int i, has_audio = 0, has_video = 0;
|
|
int64_t pos = avio_tell(pb);
|
|
int audio_profile = mov->iods_audio_profile;
|
|
int video_profile = mov->iods_video_profile;
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
if(mov->tracks[i].entry > 0) {
|
|
has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
|
|
has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
|
|
}
|
|
}
|
|
if (audio_profile < 0)
|
|
audio_profile = 0xFF - has_audio;
|
|
if (video_profile < 0)
|
|
video_profile = 0xFF - has_video;
|
|
avio_wb32(pb, 0x0); /* size */
|
|
ffio_wfourcc(pb, "iods");
|
|
avio_wb32(pb, 0); /* version & flags */
|
|
put_descr(pb, 0x10, 7);
|
|
avio_wb16(pb, 0x004f);
|
|
avio_w8(pb, 0xff);
|
|
avio_w8(pb, 0xff);
|
|
avio_w8(pb, audio_profile);
|
|
avio_w8(pb, video_profile);
|
|
avio_w8(pb, 0xff);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
avio_wb32(pb, 0x20); /* size */
|
|
ffio_wfourcc(pb, "trex");
|
|
avio_wb32(pb, 0); /* version & flags */
|
|
avio_wb32(pb, track->track_id); /* track ID */
|
|
avio_wb32(pb, 1); /* default sample description index */
|
|
avio_wb32(pb, 0); /* default sample duration */
|
|
avio_wb32(pb, 0); /* default sample size */
|
|
avio_wb32(pb, 0); /* default sample flags */
|
|
return 0;
|
|
}
|
|
|
|
static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int i;
|
|
avio_wb32(pb, 0x0); /* size */
|
|
ffio_wfourcc(pb, "mvex");
|
|
for (i = 0; i < mov->nb_streams; i++)
|
|
mov_write_trex_tag(pb, &mov->tracks[i]);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
|
|
{
|
|
int max_track_id = 1, i;
|
|
int64_t max_track_len_temp, max_track_len = 0;
|
|
int version;
|
|
|
|
for (i=0; i<mov->nb_streams; i++) {
|
|
if(mov->tracks[i].entry > 0) {
|
|
max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
|
|
MOV_TIMESCALE,
|
|
mov->tracks[i].timescale,
|
|
AV_ROUND_UP);
|
|
if (max_track_len < max_track_len_temp)
|
|
max_track_len = max_track_len_temp;
|
|
if (max_track_id < mov->tracks[i].track_id)
|
|
max_track_id = mov->tracks[i].track_id;
|
|
}
|
|
}
|
|
|
|
version = max_track_len < UINT32_MAX ? 0 : 1;
|
|
(version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
|
|
ffio_wfourcc(pb, "mvhd");
|
|
avio_w8(pb, version);
|
|
avio_wb24(pb, 0); /* flags */
|
|
if (version == 1) {
|
|
avio_wb64(pb, mov->time);
|
|
avio_wb64(pb, mov->time);
|
|
} else {
|
|
avio_wb32(pb, mov->time); /* creation time */
|
|
avio_wb32(pb, mov->time); /* modification time */
|
|
}
|
|
avio_wb32(pb, MOV_TIMESCALE);
|
|
(version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
|
|
|
|
avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
|
|
avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
|
|
avio_wb16(pb, 0); /* reserved */
|
|
avio_wb32(pb, 0); /* reserved */
|
|
avio_wb32(pb, 0); /* reserved */
|
|
|
|
/* Matrix structure */
|
|
avio_wb32(pb, 0x00010000); /* reserved */
|
|
avio_wb32(pb, 0x0); /* reserved */
|
|
avio_wb32(pb, 0x0); /* reserved */
|
|
avio_wb32(pb, 0x0); /* reserved */
|
|
avio_wb32(pb, 0x00010000); /* reserved */
|
|
avio_wb32(pb, 0x0); /* reserved */
|
|
avio_wb32(pb, 0x0); /* reserved */
|
|
avio_wb32(pb, 0x0); /* reserved */
|
|
avio_wb32(pb, 0x40000000); /* reserved */
|
|
|
|
avio_wb32(pb, 0); /* reserved (preview time) */
|
|
avio_wb32(pb, 0); /* reserved (preview duration) */
|
|
avio_wb32(pb, 0); /* reserved (poster time) */
|
|
avio_wb32(pb, 0); /* reserved (selection time) */
|
|
avio_wb32(pb, 0); /* reserved (selection duration) */
|
|
avio_wb32(pb, 0); /* reserved (current time) */
|
|
avio_wb32(pb, max_track_id + 1); /* Next track id */
|
|
return 0x6c;
|
|
}
|
|
|
|
static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
AVFormatContext *s)
|
|
{
|
|
avio_wb32(pb, 33); /* size */
|
|
ffio_wfourcc(pb, "hdlr");
|
|
avio_wb32(pb, 0);
|
|
avio_wb32(pb, 0);
|
|
ffio_wfourcc(pb, "mdir");
|
|
ffio_wfourcc(pb, "appl");
|
|
avio_wb32(pb, 0);
|
|
avio_wb32(pb, 0);
|
|
avio_w8(pb, 0);
|
|
return 33;
|
|
}
|
|
|
|
/* helper function to write a data tag with the specified string as data */
|
|
static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
|
|
{
|
|
if(long_style){
|
|
int size = 16 + strlen(data);
|
|
avio_wb32(pb, size); /* size */
|
|
ffio_wfourcc(pb, "data");
|
|
avio_wb32(pb, 1);
|
|
avio_wb32(pb, 0);
|
|
avio_write(pb, data, strlen(data));
|
|
return size;
|
|
}else{
|
|
if (!lang)
|
|
lang = ff_mov_iso639_to_lang("und", 1);
|
|
avio_wb16(pb, strlen(data)); /* string length */
|
|
avio_wb16(pb, lang);
|
|
avio_write(pb, data, strlen(data));
|
|
return strlen(data) + 4;
|
|
}
|
|
}
|
|
|
|
static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
|
|
int size = 0;
|
|
if (value && value[0]) {
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, name);
|
|
mov_write_string_data_tag(pb, value, lang, long_style);
|
|
size = update_size(pb, pos);
|
|
}
|
|
return size;
|
|
}
|
|
|
|
static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
|
|
const char *name, const char *tag,
|
|
int long_style)
|
|
{
|
|
int l, lang = 0, len, len2;
|
|
AVDictionaryEntry *t, *t2 = NULL;
|
|
char tag2[16];
|
|
|
|
if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
|
|
return 0;
|
|
|
|
len = strlen(t->key);
|
|
snprintf(tag2, sizeof(tag2), "%s-", tag);
|
|
while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
|
|
len2 = strlen(t2->key);
|
|
if (len2 == len+4 && !strcmp(t->value, t2->value)
|
|
&& (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
|
|
lang = l;
|
|
break;
|
|
}
|
|
}
|
|
return mov_write_string_tag(pb, name, t->value, lang, long_style);
|
|
}
|
|
|
|
/* iTunes track number */
|
|
static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
AVFormatContext *s)
|
|
{
|
|
AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
|
|
int size = 0, track = t ? atoi(t->value) : 0;
|
|
if (track) {
|
|
avio_wb32(pb, 32); /* size */
|
|
ffio_wfourcc(pb, "trkn");
|
|
avio_wb32(pb, 24); /* size */
|
|
ffio_wfourcc(pb, "data");
|
|
avio_wb32(pb, 0); // 8 bytes empty
|
|
avio_wb32(pb, 0);
|
|
avio_wb16(pb, 0); // empty
|
|
avio_wb16(pb, track); // track number
|
|
avio_wb16(pb, 0); // total track number
|
|
avio_wb16(pb, 0); // empty
|
|
size = 32;
|
|
}
|
|
return size;
|
|
}
|
|
|
|
/* iTunes meta data list */
|
|
static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
AVFormatContext *s)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "ilst");
|
|
mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
|
|
mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
|
|
mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
|
|
mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
|
|
mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
|
|
mov_write_string_metadata(s, pb, "\251day", "date" , 1);
|
|
mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
|
|
mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
|
|
mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
|
|
mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
|
|
mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
|
|
mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
|
|
mov_write_string_metadata(s, pb, "desc", "description",1);
|
|
mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
|
|
mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
|
|
mov_write_string_metadata(s, pb, "tven", "episode_id",1);
|
|
mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
|
|
mov_write_trkn_tag(pb, mov, s);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
/* iTunes meta data tag */
|
|
static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
AVFormatContext *s)
|
|
{
|
|
int size = 0;
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "meta");
|
|
avio_wb32(pb, 0);
|
|
mov_write_itunes_hdlr_tag(pb, mov, s);
|
|
mov_write_ilst_tag(pb, mov, s);
|
|
size = update_size(pb, pos);
|
|
return size;
|
|
}
|
|
|
|
static int utf8len(const uint8_t *b)
|
|
{
|
|
int len=0;
|
|
int val;
|
|
while(*b){
|
|
GET_UTF8(val, *b++, return -1;)
|
|
len++;
|
|
}
|
|
return len;
|
|
}
|
|
|
|
static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
|
|
{
|
|
int val;
|
|
while(*b){
|
|
GET_UTF8(val, *b++, return -1;)
|
|
avio_wb16(pb, val);
|
|
}
|
|
avio_wb16(pb, 0x00);
|
|
return 0;
|
|
}
|
|
|
|
static uint16_t language_code(const char *str)
|
|
{
|
|
return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
|
|
}
|
|
|
|
static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
|
|
const char *tag, const char *str)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
|
|
if (!t || !utf8len(t->value))
|
|
return 0;
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, tag); /* type */
|
|
avio_wb32(pb, 0); /* version + flags */
|
|
if (!strcmp(tag, "yrrc"))
|
|
avio_wb16(pb, atoi(t->value));
|
|
else {
|
|
avio_wb16(pb, language_code("eng")); /* language */
|
|
avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
|
|
if (!strcmp(tag, "albm") &&
|
|
(t = av_dict_get(s->metadata, "track", NULL, 0)))
|
|
avio_w8(pb, atoi(t->value));
|
|
}
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int i, nb_chapters = FFMIN(s->nb_chapters, 255);
|
|
|
|
avio_wb32(pb, 0); // size
|
|
ffio_wfourcc(pb, "chpl");
|
|
avio_wb32(pb, 0x01000000); // version + flags
|
|
avio_wb32(pb, 0); // unknown
|
|
avio_w8(pb, nb_chapters);
|
|
|
|
for (i = 0; i < nb_chapters; i++) {
|
|
AVChapter *c = s->chapters[i];
|
|
AVDictionaryEntry *t;
|
|
avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
|
|
|
|
if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
|
|
int len = FFMIN(strlen(t->value), 255);
|
|
avio_w8(pb, len);
|
|
avio_write(pb, t->value, len);
|
|
} else
|
|
avio_w8(pb, 0);
|
|
}
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
AVFormatContext *s)
|
|
{
|
|
AVIOContext *pb_buf;
|
|
int i, ret, size;
|
|
uint8_t *buf;
|
|
|
|
for (i = 0; i < s->nb_streams; i++)
|
|
if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
|
|
return 0;
|
|
}
|
|
|
|
ret = avio_open_dyn_buf(&pb_buf);
|
|
if(ret < 0)
|
|
return ret;
|
|
|
|
if (mov->mode & MODE_3GP) {
|
|
mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
|
|
mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
|
|
mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
|
|
mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
|
|
mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
|
|
mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
|
|
mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
|
|
mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
|
|
} else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
|
|
mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
|
|
mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
|
|
mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
|
|
mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
|
|
mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
|
|
mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
|
|
mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
|
|
mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
|
|
mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
|
|
} else {
|
|
/* iTunes meta data */
|
|
mov_write_meta_tag(pb_buf, mov, s);
|
|
}
|
|
|
|
if (s->nb_chapters)
|
|
mov_write_chpl_tag(pb_buf, s);
|
|
|
|
if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
|
|
avio_wb32(pb, size+8);
|
|
ffio_wfourcc(pb, "udta");
|
|
avio_write(pb, buf, size);
|
|
}
|
|
av_free(buf);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void mov_write_psp_udta_tag(AVIOContext *pb,
|
|
const char *str, const char *lang, int type)
|
|
{
|
|
int len = utf8len(str)+1;
|
|
if(len<=0)
|
|
return;
|
|
avio_wb16(pb, len*2+10); /* size */
|
|
avio_wb32(pb, type); /* type */
|
|
avio_wb16(pb, language_code(lang)); /* language */
|
|
avio_wb16(pb, 0x01); /* ? */
|
|
ascii_to_wc(pb, str);
|
|
}
|
|
|
|
static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
|
|
{
|
|
AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
|
|
int64_t pos, pos2;
|
|
|
|
if (title) {
|
|
pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size placeholder*/
|
|
ffio_wfourcc(pb, "uuid");
|
|
ffio_wfourcc(pb, "USMT");
|
|
avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
|
|
avio_wb32(pb, 0xbb88695c);
|
|
avio_wb32(pb, 0xfac9c740);
|
|
|
|
pos2 = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size placeholder*/
|
|
ffio_wfourcc(pb, "MTDT");
|
|
avio_wb16(pb, 4);
|
|
|
|
// ?
|
|
avio_wb16(pb, 0x0C); /* size */
|
|
avio_wb32(pb, 0x0B); /* type */
|
|
avio_wb16(pb, language_code("und")); /* language */
|
|
avio_wb16(pb, 0x0); /* ? */
|
|
avio_wb16(pb, 0x021C); /* data */
|
|
|
|
mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
|
|
mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
|
|
// snprintf(dt,32,"%04d/%02d/%02d %02d:%02d:%02d",t_st->tm_year+1900,t_st->tm_mon+1,t_st->tm_mday,t_st->tm_hour,t_st->tm_min,t_st->tm_sec);
|
|
mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
|
|
|
|
update_size(pb, pos2);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
AVFormatContext *s)
|
|
{
|
|
int i;
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size placeholder*/
|
|
ffio_wfourcc(pb, "moov");
|
|
|
|
for (i=0; i<mov->nb_streams; i++) {
|
|
if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
|
|
continue;
|
|
|
|
mov->tracks[i].time = mov->time;
|
|
mov->tracks[i].track_id = i+1;
|
|
}
|
|
|
|
if (mov->chapter_track)
|
|
for (i=0; i<s->nb_streams; i++) {
|
|
mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
|
|
mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
|
|
}
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
|
|
mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
|
|
mov->tracks[i].tref_id =
|
|
mov->tracks[mov->tracks[i].src_track].track_id;
|
|
}
|
|
}
|
|
|
|
mov_write_mvhd_tag(pb, mov);
|
|
if (mov->mode != MODE_MOV && !mov->iods_skip)
|
|
mov_write_iods_tag(pb, mov);
|
|
for (i=0; i<mov->nb_streams; i++) {
|
|
if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
|
|
mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
|
|
}
|
|
}
|
|
if (mov->flags & FF_MOV_FLAG_FRAGMENT)
|
|
mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
|
|
|
|
if (mov->mode == MODE_PSP)
|
|
mov_write_uuidusmt_tag(pb, s);
|
|
else
|
|
mov_write_udta_tag(pb, mov, s);
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static void param_write_int(AVIOContext *pb, const char *name, int value)
|
|
{
|
|
avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
|
|
}
|
|
|
|
static void param_write_string(AVIOContext *pb, const char *name, const char *value)
|
|
{
|
|
avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
|
|
}
|
|
|
|
static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
|
|
{
|
|
char buf[150];
|
|
len = FFMIN(sizeof(buf)/2 - 1, len);
|
|
ff_data_to_hex(buf, value, len, 0);
|
|
buf[2*len] = '\0';
|
|
avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
|
|
}
|
|
|
|
static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int i;
|
|
const uint8_t uuid[] = {
|
|
0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
|
|
0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
|
|
};
|
|
|
|
avio_wb32(pb, 0);
|
|
ffio_wfourcc(pb, "uuid");
|
|
avio_write(pb, uuid, sizeof(uuid));
|
|
avio_wb32(pb, 0);
|
|
|
|
avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
|
|
avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
|
|
avio_printf(pb, "<head>\n");
|
|
avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
|
|
LIBAVFORMAT_IDENT);
|
|
avio_printf(pb, "</head>\n");
|
|
avio_printf(pb, "<body>\n");
|
|
avio_printf(pb, "<switch>\n");
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
MOVTrack *track = &mov->tracks[i];
|
|
const char *type;
|
|
/* track->track_id is initialized in write_moov, and thus isn't known
|
|
* here yet */
|
|
int track_id = i + 1;
|
|
|
|
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
type = "video";
|
|
} else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
|
|
type = "audio";
|
|
} else {
|
|
continue;
|
|
}
|
|
avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
|
|
track->enc->bit_rate);
|
|
param_write_int(pb, "systemBitrate", track->enc->bit_rate);
|
|
param_write_int(pb, "trackID", track_id);
|
|
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
if (track->enc->codec_id == CODEC_ID_H264) {
|
|
uint8_t *ptr;
|
|
int size = track->enc->extradata_size;
|
|
if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
|
|
&size)) {
|
|
param_write_hex(pb, "CodecPrivateData",
|
|
ptr ? ptr : track->enc->extradata,
|
|
size);
|
|
av_free(ptr);
|
|
}
|
|
param_write_string(pb, "FourCC", "H264");
|
|
} else if (track->enc->codec_id == CODEC_ID_VC1) {
|
|
param_write_string(pb, "FourCC", "WVC1");
|
|
param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
|
|
track->enc->extradata_size);
|
|
}
|
|
param_write_int(pb, "MaxWidth", track->enc->width);
|
|
param_write_int(pb, "MaxHeight", track->enc->height);
|
|
param_write_int(pb, "DisplayWidth", track->enc->width);
|
|
param_write_int(pb, "DisplayHeight", track->enc->height);
|
|
} else {
|
|
if (track->enc->codec_id == CODEC_ID_AAC) {
|
|
param_write_string(pb, "FourCC", "AACL");
|
|
} else if (track->enc->codec_id == CODEC_ID_WMAPRO) {
|
|
param_write_string(pb, "FourCC", "WMAP");
|
|
}
|
|
param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
|
|
track->enc->extradata_size);
|
|
param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
|
|
track->enc->codec_id));
|
|
param_write_int(pb, "Channels", track->enc->channels);
|
|
param_write_int(pb, "SamplingRate", track->enc->sample_rate);
|
|
param_write_int(pb, "BitsPerSample", 16);
|
|
param_write_int(pb, "PacketSize", track->enc->block_align ?
|
|
track->enc->block_align : 4);
|
|
}
|
|
avio_printf(pb, "</%s>\n", type);
|
|
}
|
|
avio_printf(pb, "</switch>\n");
|
|
avio_printf(pb, "</body>\n");
|
|
avio_printf(pb, "</smil>\n");
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
|
|
{
|
|
avio_wb32(pb, 16);
|
|
ffio_wfourcc(pb, "mfhd");
|
|
avio_wb32(pb, 0);
|
|
avio_wb32(pb, mov->fragments);
|
|
return 0;
|
|
}
|
|
|
|
static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
|
|
int64_t moof_offset)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
|
|
MOV_TFHD_BASE_DATA_OFFSET;
|
|
if (!track->entry) {
|
|
flags |= MOV_TFHD_DURATION_IS_EMPTY;
|
|
} else {
|
|
flags |= MOV_TFHD_DEFAULT_FLAGS;
|
|
}
|
|
|
|
/* Don't set a default sample size, the silverlight player refuses
|
|
* to play files with that set. Don't set a default sample duration,
|
|
* WMP freaks out if it is set. */
|
|
if (track->mode == MODE_ISM)
|
|
flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION);
|
|
|
|
avio_wb32(pb, 0); /* size placeholder */
|
|
ffio_wfourcc(pb, "tfhd");
|
|
avio_w8(pb, 0); /* version */
|
|
avio_wb24(pb, flags);
|
|
|
|
avio_wb32(pb, track->track_id); /* track-id */
|
|
if (flags & MOV_TFHD_BASE_DATA_OFFSET)
|
|
avio_wb64(pb, moof_offset);
|
|
if (flags & MOV_TFHD_DEFAULT_DURATION) {
|
|
track->default_duration = get_cluster_duration(track, 0);
|
|
avio_wb32(pb, track->default_duration);
|
|
}
|
|
if (flags & MOV_TFHD_DEFAULT_SIZE) {
|
|
track->default_size = track->entry ? track->cluster[0].size : 1;
|
|
avio_wb32(pb, track->default_size);
|
|
} else
|
|
track->default_size = -1;
|
|
|
|
if (flags & MOV_TFHD_DEFAULT_FLAGS) {
|
|
track->default_sample_flags =
|
|
track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
|
|
(MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
|
|
MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
|
|
avio_wb32(pb, track->default_sample_flags);
|
|
}
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
|
|
{
|
|
return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
|
|
(MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
|
|
}
|
|
|
|
static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
uint32_t flags = MOV_TRUN_DATA_OFFSET;
|
|
int i;
|
|
|
|
for (i = 0; i < track->entry; i++) {
|
|
if (get_cluster_duration(track, i) != track->default_duration)
|
|
flags |= MOV_TRUN_SAMPLE_DURATION;
|
|
if (track->cluster[i].size != track->default_size)
|
|
flags |= MOV_TRUN_SAMPLE_SIZE;
|
|
if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
|
|
flags |= MOV_TRUN_SAMPLE_FLAGS;
|
|
}
|
|
if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
|
|
flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
|
|
if (track->flags & MOV_TRACK_CTTS)
|
|
flags |= MOV_TRUN_SAMPLE_CTS;
|
|
|
|
avio_wb32(pb, 0); /* size placeholder */
|
|
ffio_wfourcc(pb, "trun");
|
|
avio_w8(pb, 0); /* version */
|
|
avio_wb24(pb, flags);
|
|
|
|
avio_wb32(pb, track->entry); /* sample count */
|
|
track->moof_size_offset = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* data offset */
|
|
if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
|
|
avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
|
|
|
|
for (i = 0; i < track->entry; i++) {
|
|
if (flags & MOV_TRUN_SAMPLE_DURATION)
|
|
avio_wb32(pb, get_cluster_duration(track, i));
|
|
if (flags & MOV_TRUN_SAMPLE_SIZE)
|
|
avio_wb32(pb, track->cluster[i].size);
|
|
if (flags & MOV_TRUN_SAMPLE_FLAGS)
|
|
avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
|
|
if (flags & MOV_TRUN_SAMPLE_CTS)
|
|
avio_wb32(pb, track->cluster[i].cts);
|
|
}
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
const uint8_t uuid[] = {
|
|
0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
|
|
0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
|
|
};
|
|
|
|
avio_wb32(pb, 0); /* size placeholder */
|
|
ffio_wfourcc(pb, "uuid");
|
|
avio_write(pb, uuid, sizeof(uuid));
|
|
avio_w8(pb, 1);
|
|
avio_wb24(pb, 0);
|
|
avio_wb64(pb, track->frag_start);
|
|
avio_wb64(pb, track->start_dts + track->track_duration -
|
|
track->cluster[0].dts);
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
MOVTrack *track, int entry)
|
|
{
|
|
int n = track->nb_frag_info - 1 - entry, i;
|
|
int size = 8 + 16 + 4 + 1 + 16*n;
|
|
const uint8_t uuid[] = {
|
|
0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
|
|
0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
|
|
};
|
|
|
|
if (entry < 0)
|
|
return 0;
|
|
|
|
avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
|
|
avio_wb32(pb, size);
|
|
ffio_wfourcc(pb, "uuid");
|
|
avio_write(pb, uuid, sizeof(uuid));
|
|
avio_w8(pb, 1);
|
|
avio_wb24(pb, 0);
|
|
avio_w8(pb, n);
|
|
for (i = 0; i < n; i++) {
|
|
int index = entry + 1 + i;
|
|
avio_wb64(pb, track->frag_info[index].time);
|
|
avio_wb64(pb, track->frag_info[index].duration);
|
|
}
|
|
if (n < mov->ism_lookahead) {
|
|
int free_size = 16*(mov->ism_lookahead - n);
|
|
avio_wb32(pb, free_size);
|
|
ffio_wfourcc(pb, "free");
|
|
for (i = 0; i < free_size - 8; i++)
|
|
avio_w8(pb, 0);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
|
|
MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int i;
|
|
for (i = 0; i < mov->ism_lookahead; i++) {
|
|
/* Update the tfrf tag for the last ism_lookahead fragments,
|
|
* nb_frag_info - 1 is the next fragment to be written. */
|
|
mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
|
|
}
|
|
avio_seek(pb, pos, SEEK_SET);
|
|
return 0;
|
|
}
|
|
|
|
static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
MOVTrack *track, int64_t moof_offset)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size placeholder */
|
|
ffio_wfourcc(pb, "traf");
|
|
|
|
mov_write_tfhd_tag(pb, track, moof_offset);
|
|
mov_write_trun_tag(pb, track);
|
|
if (mov->mode == MODE_ISM) {
|
|
mov_write_tfxd_tag(pb, track);
|
|
|
|
if (mov->ism_lookahead) {
|
|
int i, size = 16 + 4 + 1 + 16*mov->ism_lookahead;
|
|
|
|
track->tfrf_offset = avio_tell(pb);
|
|
avio_wb32(pb, 8 + size);
|
|
ffio_wfourcc(pb, "free");
|
|
for (i = 0; i < size; i++)
|
|
avio_w8(pb, 0);
|
|
}
|
|
}
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
|
|
{
|
|
int64_t pos = avio_tell(pb), end;
|
|
int i, moof_size;
|
|
|
|
avio_wb32(pb, 0); /* size placeholder */
|
|
ffio_wfourcc(pb, "moof");
|
|
|
|
mov_write_mfhd_tag(pb, mov);
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
MOVTrack *track = &mov->tracks[i];
|
|
if (tracks >= 0 && i != tracks)
|
|
continue;
|
|
if (!track->entry)
|
|
continue;
|
|
mov_write_traf_tag(pb, mov, track, pos);
|
|
}
|
|
|
|
end = avio_tell(pb);
|
|
moof_size = end - pos;
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
MOVTrack *track = &mov->tracks[i];
|
|
if (tracks >= 0 && i != tracks)
|
|
continue;
|
|
if (!track->entry)
|
|
continue;
|
|
avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
|
|
avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
|
|
}
|
|
avio_seek(pb, end, SEEK_SET);
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int i;
|
|
|
|
avio_wb32(pb, 0); /* size placeholder */
|
|
ffio_wfourcc(pb, "tfra");
|
|
avio_w8(pb, 1); /* version */
|
|
avio_wb24(pb, 0);
|
|
|
|
avio_wb32(pb, track->track_id);
|
|
avio_wb32(pb, 0); /* length of traf/trun/sample num */
|
|
avio_wb32(pb, track->nb_frag_info);
|
|
for (i = 0; i < track->nb_frag_info; i++) {
|
|
avio_wb64(pb, track->frag_info[i].time);
|
|
avio_wb64(pb, track->frag_info[i].offset);
|
|
avio_w8(pb, 1); /* traf number */
|
|
avio_w8(pb, 1); /* trun number */
|
|
avio_w8(pb, 1); /* sample number */
|
|
}
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int i;
|
|
|
|
avio_wb32(pb, 0); /* size placeholder */
|
|
ffio_wfourcc(pb, "mfra");
|
|
/* An empty mfra atom is enough to indicate to the publishing point that
|
|
* the stream has ended. */
|
|
if (mov->flags & FF_MOV_FLAG_ISML)
|
|
return update_size(pb, pos);
|
|
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
MOVTrack *track = &mov->tracks[i];
|
|
if (track->nb_frag_info)
|
|
mov_write_tfra_tag(pb, track);
|
|
}
|
|
|
|
avio_wb32(pb, 16);
|
|
ffio_wfourcc(pb, "mfro");
|
|
avio_wb32(pb, 0); /* version + flags */
|
|
avio_wb32(pb, avio_tell(pb) + 4 - pos);
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
|
|
{
|
|
avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
|
|
ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
|
|
|
|
mov->mdat_pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size placeholder*/
|
|
ffio_wfourcc(pb, "mdat");
|
|
return 0;
|
|
}
|
|
|
|
/* TODO: This needs to be more general */
|
|
static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
int64_t pos = avio_tell(pb);
|
|
int has_h264 = 0, has_video = 0;
|
|
int minor = 0x200;
|
|
int i;
|
|
|
|
for (i = 0; i < s->nb_streams; i++) {
|
|
AVStream *st = s->streams[i];
|
|
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
|
|
has_video = 1;
|
|
if (st->codec->codec_id == CODEC_ID_H264)
|
|
has_h264 = 1;
|
|
}
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "ftyp");
|
|
|
|
if (mov->mode == MODE_3GP) {
|
|
ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
|
|
minor = has_h264 ? 0x100 : 0x200;
|
|
} else if (mov->mode & MODE_3G2) {
|
|
ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
|
|
minor = has_h264 ? 0x20000 : 0x10000;
|
|
}else if (mov->mode == MODE_PSP)
|
|
ffio_wfourcc(pb, "MSNV");
|
|
else if (mov->mode == MODE_MP4)
|
|
ffio_wfourcc(pb, "isom");
|
|
else if (mov->mode == MODE_IPOD)
|
|
ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
|
|
else if (mov->mode == MODE_ISM)
|
|
ffio_wfourcc(pb, "isml");
|
|
else
|
|
ffio_wfourcc(pb, "qt ");
|
|
|
|
avio_wb32(pb, minor);
|
|
|
|
if(mov->mode == MODE_MOV)
|
|
ffio_wfourcc(pb, "qt ");
|
|
else if (mov->mode == MODE_ISM) {
|
|
ffio_wfourcc(pb, "piff");
|
|
ffio_wfourcc(pb, "iso2");
|
|
} else {
|
|
ffio_wfourcc(pb, "isom");
|
|
ffio_wfourcc(pb, "iso2");
|
|
if(has_h264)
|
|
ffio_wfourcc(pb, "avc1");
|
|
}
|
|
|
|
if (mov->mode == MODE_3GP)
|
|
ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
|
|
else if (mov->mode & MODE_3G2)
|
|
ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
|
|
else if (mov->mode == MODE_PSP)
|
|
ffio_wfourcc(pb, "MSNV");
|
|
else if (mov->mode == MODE_MP4)
|
|
ffio_wfourcc(pb, "mp41");
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
|
|
{
|
|
AVCodecContext *video_codec = s->streams[0]->codec;
|
|
AVCodecContext *audio_codec = s->streams[1]->codec;
|
|
int audio_rate = audio_codec->sample_rate;
|
|
int frame_rate = ((video_codec->time_base.den) * (0x10000))/ (video_codec->time_base.num);
|
|
int audio_kbitrate = audio_codec->bit_rate / 1000;
|
|
int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
|
|
|
|
avio_wb32(pb, 0x94); /* size */
|
|
ffio_wfourcc(pb, "uuid");
|
|
ffio_wfourcc(pb, "PROF");
|
|
|
|
avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
|
|
avio_wb32(pb, 0xbb88695c);
|
|
avio_wb32(pb, 0xfac9c740);
|
|
|
|
avio_wb32(pb, 0x0); /* ? */
|
|
avio_wb32(pb, 0x3); /* 3 sections ? */
|
|
|
|
avio_wb32(pb, 0x14); /* size */
|
|
ffio_wfourcc(pb, "FPRF");
|
|
avio_wb32(pb, 0x0); /* ? */
|
|
avio_wb32(pb, 0x0); /* ? */
|
|
avio_wb32(pb, 0x0); /* ? */
|
|
|
|
avio_wb32(pb, 0x2c); /* size */
|
|
ffio_wfourcc(pb, "APRF");/* audio */
|
|
avio_wb32(pb, 0x0);
|
|
avio_wb32(pb, 0x2); /* TrackID */
|
|
ffio_wfourcc(pb, "mp4a");
|
|
avio_wb32(pb, 0x20f);
|
|
avio_wb32(pb, 0x0);
|
|
avio_wb32(pb, audio_kbitrate);
|
|
avio_wb32(pb, audio_kbitrate);
|
|
avio_wb32(pb, audio_rate);
|
|
avio_wb32(pb, audio_codec->channels);
|
|
|
|
avio_wb32(pb, 0x34); /* size */
|
|
ffio_wfourcc(pb, "VPRF"); /* video */
|
|
avio_wb32(pb, 0x0);
|
|
avio_wb32(pb, 0x1); /* TrackID */
|
|
if (video_codec->codec_id == CODEC_ID_H264) {
|
|
ffio_wfourcc(pb, "avc1");
|
|
avio_wb16(pb, 0x014D);
|
|
avio_wb16(pb, 0x0015);
|
|
} else {
|
|
ffio_wfourcc(pb, "mp4v");
|
|
avio_wb16(pb, 0x0000);
|
|
avio_wb16(pb, 0x0103);
|
|
}
|
|
avio_wb32(pb, 0x0);
|
|
avio_wb32(pb, video_kbitrate);
|
|
avio_wb32(pb, video_kbitrate);
|
|
avio_wb32(pb, frame_rate);
|
|
avio_wb32(pb, frame_rate);
|
|
avio_wb16(pb, video_codec->width);
|
|
avio_wb16(pb, video_codec->height);
|
|
avio_wb32(pb, 0x010001); /* ? */
|
|
}
|
|
|
|
static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
|
|
{
|
|
uint32_t c = -1;
|
|
int i, closed_gop = 0;
|
|
|
|
for (i = 0; i < pkt->size - 4; i++) {
|
|
c = (c<<8) + pkt->data[i];
|
|
if (c == 0x1b8) { // gop
|
|
closed_gop = pkt->data[i+4]>>6 & 0x01;
|
|
} else if (c == 0x100) { // pic
|
|
int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
|
|
if (!temp_ref || closed_gop) // I picture is not reordered
|
|
*flags = MOV_SYNC_SAMPLE;
|
|
else
|
|
*flags = MOV_PARTIAL_SYNC_SAMPLE;
|
|
break;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
|
|
{
|
|
const uint8_t *start, *next, *end = pkt->data + pkt->size;
|
|
int seq = 0, entry = 0;
|
|
int key = pkt->flags & AV_PKT_FLAG_KEY;
|
|
start = find_next_marker(pkt->data, end);
|
|
for (next = start; next < end; start = next) {
|
|
next = find_next_marker(start + 4, end);
|
|
switch (AV_RB32(start)) {
|
|
case VC1_CODE_SEQHDR:
|
|
seq = 1;
|
|
break;
|
|
case VC1_CODE_ENTRYPOINT:
|
|
entry = 1;
|
|
break;
|
|
case VC1_CODE_SLICE:
|
|
trk->vc1_info.slices = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (!trk->entry && !fragment) {
|
|
/* First packet in first fragment */
|
|
trk->vc1_info.first_packet_seq = seq;
|
|
trk->vc1_info.first_packet_entry = entry;
|
|
} else if ((seq && !trk->vc1_info.packet_seq) ||
|
|
(entry && !trk->vc1_info.packet_entry)) {
|
|
int i;
|
|
for (i = 0; i < trk->entry; i++)
|
|
trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
|
|
trk->has_keyframes = 0;
|
|
if (seq)
|
|
trk->vc1_info.packet_seq = 1;
|
|
if (entry)
|
|
trk->vc1_info.packet_entry = 1;
|
|
if (!fragment) {
|
|
/* First fragment */
|
|
if ((!seq || trk->vc1_info.first_packet_seq) &&
|
|
(!entry || trk->vc1_info.first_packet_entry)) {
|
|
/* First packet had the same headers as this one, readd the
|
|
* sync sample flag. */
|
|
trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
|
|
trk->has_keyframes = 1;
|
|
}
|
|
}
|
|
}
|
|
if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
|
|
key = seq && entry;
|
|
else if (trk->vc1_info.packet_seq)
|
|
key = seq;
|
|
else if (trk->vc1_info.packet_entry)
|
|
key = entry;
|
|
if (key) {
|
|
trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
|
|
trk->has_keyframes++;
|
|
}
|
|
}
|
|
|
|
static int mov_flush_fragment(AVFormatContext *s)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
int i, first_track = -1;
|
|
int64_t mdat_size = 0;
|
|
|
|
if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
|
|
return 0;
|
|
|
|
if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
|
|
int64_t pos = avio_tell(s->pb);
|
|
int ret;
|
|
AVIOContext *moov_buf;
|
|
uint8_t *buf;
|
|
int buf_size;
|
|
|
|
for (i = 0; i < mov->nb_streams; i++)
|
|
if (!mov->tracks[i].entry)
|
|
break;
|
|
/* Don't write the initial moov unless all tracks have data */
|
|
if (i < mov->nb_streams)
|
|
return 0;
|
|
|
|
if ((ret = avio_open_dyn_buf(&moov_buf)) < 0)
|
|
return ret;
|
|
mov_write_moov_tag(moov_buf, mov, s);
|
|
buf_size = avio_close_dyn_buf(moov_buf, &buf);
|
|
av_free(buf);
|
|
for (i = 0; i < mov->nb_streams; i++)
|
|
mov->tracks[i].data_offset = pos + buf_size + 8;
|
|
|
|
mov_write_moov_tag(s->pb, mov, s);
|
|
|
|
buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
|
|
mov->mdat_buf = NULL;
|
|
avio_wb32(s->pb, buf_size + 8);
|
|
ffio_wfourcc(s->pb, "mdat");
|
|
avio_write(s->pb, buf, buf_size);
|
|
av_free(buf);
|
|
|
|
mov->fragments++;
|
|
mov->mdat_size = 0;
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
if (mov->tracks[i].entry)
|
|
mov->tracks[i].frag_start += mov->tracks[i].start_dts +
|
|
mov->tracks[i].track_duration -
|
|
mov->tracks[i].cluster[0].dts;
|
|
mov->tracks[i].entry = 0;
|
|
}
|
|
avio_flush(s->pb);
|
|
return 0;
|
|
}
|
|
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
MOVTrack *track = &mov->tracks[i];
|
|
if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
|
|
track->data_offset = 0;
|
|
else
|
|
track->data_offset = mdat_size;
|
|
if (!track->mdat_buf)
|
|
continue;
|
|
mdat_size += avio_tell(track->mdat_buf);
|
|
if (first_track < 0)
|
|
first_track = i;
|
|
}
|
|
|
|
if (!mdat_size)
|
|
return 0;
|
|
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
MOVTrack *track = &mov->tracks[i];
|
|
int buf_size, write_moof = 1, moof_tracks = -1;
|
|
uint8_t *buf;
|
|
int64_t duration = 0;
|
|
|
|
if (track->entry)
|
|
duration = track->start_dts + track->track_duration -
|
|
track->cluster[0].dts;
|
|
if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
|
|
if (!track->mdat_buf)
|
|
continue;
|
|
mdat_size = avio_tell(track->mdat_buf);
|
|
moof_tracks = i;
|
|
} else {
|
|
write_moof = i == first_track;
|
|
}
|
|
|
|
if (write_moof) {
|
|
MOVFragmentInfo *info;
|
|
avio_flush(s->pb);
|
|
track->nb_frag_info++;
|
|
track->frag_info = av_realloc(track->frag_info,
|
|
sizeof(*track->frag_info) *
|
|
track->nb_frag_info);
|
|
info = &track->frag_info[track->nb_frag_info - 1];
|
|
info->offset = avio_tell(s->pb);
|
|
info->time = mov->tracks[i].frag_start;
|
|
info->duration = duration;
|
|
mov_write_tfrf_tags(s->pb, mov, track);
|
|
|
|
mov_write_moof_tag(s->pb, mov, moof_tracks);
|
|
info->tfrf_offset = track->tfrf_offset;
|
|
mov->fragments++;
|
|
|
|
avio_wb32(s->pb, mdat_size + 8);
|
|
ffio_wfourcc(s->pb, "mdat");
|
|
}
|
|
|
|
if (track->entry)
|
|
track->frag_start += duration;
|
|
track->entry = 0;
|
|
if (!track->mdat_buf)
|
|
continue;
|
|
buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
|
|
track->mdat_buf = NULL;
|
|
|
|
avio_write(s->pb, buf, buf_size);
|
|
av_free(buf);
|
|
}
|
|
|
|
mov->mdat_size = 0;
|
|
|
|
avio_flush(s->pb);
|
|
return 0;
|
|
}
|
|
|
|
static int mov_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
AVIOContext *pb = s->pb;
|
|
MOVTrack *trk = &mov->tracks[pkt->stream_index];
|
|
AVCodecContext *enc = trk->enc;
|
|
unsigned int samples_in_chunk = 0;
|
|
int size= pkt->size;
|
|
uint8_t *reformatted_data = NULL;
|
|
int64_t frag_duration = 0;
|
|
|
|
if (!s->pb->seekable && !(mov->flags & FF_MOV_FLAG_EMPTY_MOOV))
|
|
return 0; /* Can't handle that */
|
|
|
|
if (!size) return 0; /* Discard 0 sized packets */
|
|
|
|
if (trk->entry)
|
|
frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
|
|
s->streams[pkt->stream_index]->time_base,
|
|
AV_TIME_BASE_Q);
|
|
if ((mov->max_fragment_duration &&
|
|
frag_duration >= mov->max_fragment_duration) ||
|
|
(mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
|
|
(mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
|
|
enc->codec_type == AVMEDIA_TYPE_VIDEO &&
|
|
trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
|
|
if (frag_duration >= mov->min_fragment_duration)
|
|
mov_flush_fragment(s);
|
|
}
|
|
|
|
if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
|
|
int ret;
|
|
if (mov->fragments > 0) {
|
|
if (!trk->mdat_buf) {
|
|
if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
|
|
return ret;
|
|
}
|
|
pb = trk->mdat_buf;
|
|
} else {
|
|
if (!mov->mdat_buf) {
|
|
if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
|
|
return ret;
|
|
}
|
|
pb = mov->mdat_buf;
|
|
}
|
|
}
|
|
|
|
if (enc->codec_id == CODEC_ID_AMR_NB) {
|
|
/* We must find out how many AMR blocks there are in one packet */
|
|
static uint16_t packed_size[16] =
|
|
{13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
|
|
int len = 0;
|
|
|
|
while (len < size && samples_in_chunk < 100) {
|
|
len += packed_size[(pkt->data[len] >> 3) & 0x0F];
|
|
samples_in_chunk++;
|
|
}
|
|
if (samples_in_chunk > 1) {
|
|
av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
|
|
return -1;
|
|
}
|
|
} else if (trk->sample_size)
|
|
samples_in_chunk = size / trk->sample_size;
|
|
else
|
|
samples_in_chunk = 1;
|
|
|
|
/* copy extradata if it exists */
|
|
if (trk->vos_len == 0 && enc->extradata_size > 0) {
|
|
trk->vos_len = enc->extradata_size;
|
|
trk->vos_data = av_malloc(trk->vos_len);
|
|
memcpy(trk->vos_data, enc->extradata, trk->vos_len);
|
|
}
|
|
|
|
if (enc->codec_id == CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
|
|
/* from x264 or from bytestream h264 */
|
|
/* nal reformating needed */
|
|
if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
|
|
ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
|
|
&size);
|
|
avio_write(pb, reformatted_data, size);
|
|
} else {
|
|
size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
|
|
}
|
|
} else {
|
|
avio_write(pb, pkt->data, size);
|
|
}
|
|
|
|
if ((enc->codec_id == CODEC_ID_DNXHD ||
|
|
enc->codec_id == CODEC_ID_AC3) && !trk->vos_len) {
|
|
/* copy frame to create needed atoms */
|
|
trk->vos_len = size;
|
|
trk->vos_data = av_malloc(size);
|
|
if (!trk->vos_data)
|
|
return AVERROR(ENOMEM);
|
|
memcpy(trk->vos_data, pkt->data, size);
|
|
}
|
|
|
|
if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
|
|
trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
|
|
if (!trk->cluster)
|
|
return -1;
|
|
}
|
|
|
|
trk->cluster[trk->entry].pos = avio_tell(pb) - size;
|
|
trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
|
|
trk->cluster[trk->entry].size = size;
|
|
trk->cluster[trk->entry].entries = samples_in_chunk;
|
|
trk->cluster[trk->entry].dts = pkt->dts;
|
|
if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
|
|
/* First packet of a new fragment. We already wrote the duration
|
|
* of the last packet of the previous fragment based on track_duration,
|
|
* which might not exactly match our dts. Therefore adjust the dts
|
|
* of this packet to be what the previous packets duration implies. */
|
|
trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
|
|
}
|
|
if (trk->start_dts == AV_NOPTS_VALUE)
|
|
trk->start_dts = pkt->dts;
|
|
trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
|
|
|
|
if (pkt->pts == AV_NOPTS_VALUE) {
|
|
av_log(s, AV_LOG_WARNING, "pts has no value\n");
|
|
pkt->pts = pkt->dts;
|
|
}
|
|
if (pkt->dts != pkt->pts)
|
|
trk->flags |= MOV_TRACK_CTTS;
|
|
trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
|
|
trk->cluster[trk->entry].flags = 0;
|
|
if (enc->codec_id == CODEC_ID_VC1) {
|
|
mov_parse_vc1_frame(pkt, trk, mov->fragments);
|
|
} else if (pkt->flags & AV_PKT_FLAG_KEY) {
|
|
if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
|
|
trk->entry > 0) { // force sync sample for the first key frame
|
|
mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
|
|
if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
|
|
trk->flags |= MOV_TRACK_STPS;
|
|
} else {
|
|
trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
|
|
}
|
|
if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
|
|
trk->has_keyframes++;
|
|
}
|
|
trk->entry++;
|
|
trk->sample_count += samples_in_chunk;
|
|
mov->mdat_size += size;
|
|
|
|
avio_flush(pb);
|
|
|
|
if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
|
|
ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
|
|
reformatted_data, size);
|
|
av_free(reformatted_data);
|
|
return 0;
|
|
}
|
|
|
|
int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
|
|
{
|
|
if (!pkt) {
|
|
mov_flush_fragment(s);
|
|
return 1;
|
|
} else {
|
|
return mov_write_packet_internal(s, pkt);
|
|
}
|
|
}
|
|
|
|
// QuickTime chapters involve an additional text track with the chapter names
|
|
// as samples, and a tref pointing from the other tracks to the chapter one.
|
|
static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
MOVTrack *track = &mov->tracks[tracknum];
|
|
AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
|
|
int i, len;
|
|
|
|
track->mode = mov->mode;
|
|
track->tag = MKTAG('t','e','x','t');
|
|
track->timescale = MOV_TIMESCALE;
|
|
track->enc = avcodec_alloc_context3(NULL);
|
|
track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
|
|
|
|
for (i = 0; i < s->nb_chapters; i++) {
|
|
AVChapter *c = s->chapters[i];
|
|
AVDictionaryEntry *t;
|
|
|
|
int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
|
|
pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
|
|
pkt.duration = end - pkt.dts;
|
|
|
|
if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
|
|
len = strlen(t->value);
|
|
pkt.size = len+2;
|
|
pkt.data = av_malloc(pkt.size);
|
|
AV_WB16(pkt.data, len);
|
|
memcpy(pkt.data+2, t->value, len);
|
|
ff_mov_write_packet(s, &pkt);
|
|
av_freep(&pkt.data);
|
|
}
|
|
}
|
|
}
|
|
|
|
static int mov_write_header(AVFormatContext *s)
|
|
{
|
|
AVIOContext *pb = s->pb;
|
|
MOVMuxContext *mov = s->priv_data;
|
|
AVDictionaryEntry *t;
|
|
int i, hint_track = 0;
|
|
|
|
/* Set the FRAGMENT flag if any of the fragmentation methods are
|
|
* enabled. */
|
|
if (mov->max_fragment_duration || mov->max_fragment_size ||
|
|
mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
|
|
FF_MOV_FLAG_FRAG_KEYFRAME |
|
|
FF_MOV_FLAG_FRAG_CUSTOM))
|
|
mov->flags |= FF_MOV_FLAG_FRAGMENT;
|
|
|
|
/* Non-seekable output is ok if using fragmentation. If ism_lookahead
|
|
* is enabled, we don't support non-seekable output at all. */
|
|
if (!s->pb->seekable &&
|
|
((!(mov->flags & FF_MOV_FLAG_FRAGMENT) &&
|
|
!(s->oformat && !strcmp(s->oformat->name, "ismv")))
|
|
|| mov->ism_lookahead)) {
|
|
av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
|
|
return -1;
|
|
}
|
|
|
|
/* Default mode == MP4 */
|
|
mov->mode = MODE_MP4;
|
|
|
|
if (s->oformat != NULL) {
|
|
if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
|
|
else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
|
|
else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
|
|
else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
|
|
else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
|
|
else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
|
|
|
|
mov_write_ftyp_tag(pb,s);
|
|
if (mov->mode == MODE_PSP) {
|
|
if (s->nb_streams != 2) {
|
|
av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
|
|
return -1;
|
|
}
|
|
mov_write_uuidprof_tag(pb,s);
|
|
}
|
|
}
|
|
|
|
mov->nb_streams = s->nb_streams;
|
|
if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
|
|
mov->chapter_track = mov->nb_streams++;
|
|
|
|
if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
|
|
/* Add hint tracks for each audio and video stream */
|
|
hint_track = mov->nb_streams;
|
|
for (i = 0; i < s->nb_streams; i++) {
|
|
AVStream *st = s->streams[i];
|
|
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
|
|
st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
|
|
mov->nb_streams++;
|
|
}
|
|
}
|
|
}
|
|
|
|
mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
|
|
if (!mov->tracks)
|
|
return AVERROR(ENOMEM);
|
|
|
|
for(i=0; i<s->nb_streams; i++){
|
|
AVStream *st= s->streams[i];
|
|
MOVTrack *track= &mov->tracks[i];
|
|
AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
|
|
|
|
track->enc = st->codec;
|
|
track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
|
|
if (track->language < 0)
|
|
track->language = 0;
|
|
track->mode = mov->mode;
|
|
track->tag = mov_find_codec_tag(s, track);
|
|
if (!track->tag) {
|
|
av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
|
|
"codec not currently supported in container\n", i);
|
|
goto error;
|
|
}
|
|
/* If hinting of this track is enabled by a later hint track,
|
|
* this is updated. */
|
|
track->hint_track = -1;
|
|
track->start_dts = AV_NOPTS_VALUE;
|
|
if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
|
|
if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
|
|
track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
|
|
track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
|
|
if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
|
|
av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
|
|
goto error;
|
|
}
|
|
track->height = track->tag>>24 == 'n' ? 486 : 576;
|
|
}
|
|
track->timescale = st->codec->time_base.den;
|
|
if (track->mode == MODE_MOV && track->timescale > 100000)
|
|
av_log(s, AV_LOG_WARNING,
|
|
"WARNING codec timebase is very high. If duration is too long,\n"
|
|
"file may not be playable by quicktime. Specify a shorter timebase\n"
|
|
"or choose different container.\n");
|
|
}else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
|
|
track->timescale = st->codec->sample_rate;
|
|
/* set sample_size for PCM and ADPCM */
|
|
if (av_get_bits_per_sample(st->codec->codec_id)) {
|
|
if (!st->codec->block_align) {
|
|
av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
|
|
goto error;
|
|
}
|
|
track->sample_size = st->codec->block_align;
|
|
}
|
|
/* set audio_vbr for compressed audio */
|
|
if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
|
|
track->audio_vbr = 1;
|
|
}
|
|
if (track->mode != MODE_MOV) {
|
|
if (track->timescale > UINT16_MAX) {
|
|
av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
|
|
"sample rate %dhz\n", i, track->timescale);
|
|
goto error;
|
|
}
|
|
if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
|
|
av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
|
|
i, track->enc->sample_rate);
|
|
goto error;
|
|
}
|
|
}
|
|
}else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
|
|
track->timescale = st->codec->time_base.den;
|
|
}
|
|
if (!track->height)
|
|
track->height = st->codec->height;
|
|
/* The ism specific timescale isn't mandatory, but is assumed by
|
|
* some tools, such as mp4split. */
|
|
if (mov->mode == MODE_ISM)
|
|
track->timescale = 10000000;
|
|
|
|
avpriv_set_pts_info(st, 64, 1, track->timescale);
|
|
|
|
/* copy extradata if it exists */
|
|
if (st->codec->extradata_size) {
|
|
track->vos_len = st->codec->extradata_size;
|
|
track->vos_data = av_malloc(track->vos_len);
|
|
memcpy(track->vos_data, st->codec->extradata, track->vos_len);
|
|
}
|
|
}
|
|
|
|
if (mov->mode == MODE_ISM) {
|
|
/* If no fragmentation options have been set, set a default. */
|
|
if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
|
|
FF_MOV_FLAG_FRAG_CUSTOM)) &&
|
|
!mov->max_fragment_duration && !mov->max_fragment_size)
|
|
mov->max_fragment_duration = 5000000;
|
|
mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
|
|
FF_MOV_FLAG_FRAGMENT;
|
|
}
|
|
|
|
if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
|
|
mov_write_mdat_tag(pb, mov);
|
|
|
|
if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
|
|
mov->time = ff_iso8601_to_unix_time(t->value);
|
|
if (mov->time)
|
|
mov->time += 0x7C25B080; // 1970 based -> 1904 based
|
|
|
|
if (mov->chapter_track)
|
|
mov_create_chapter_track(s, mov->chapter_track);
|
|
|
|
if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
|
|
/* Initialize the hint tracks for each audio and video stream */
|
|
for (i = 0; i < s->nb_streams; i++) {
|
|
AVStream *st = s->streams[i];
|
|
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
|
|
st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
|
|
ff_mov_init_hinting(s, hint_track, i);
|
|
hint_track++;
|
|
}
|
|
}
|
|
}
|
|
|
|
avio_flush(pb);
|
|
|
|
if (mov->flags & FF_MOV_FLAG_ISML)
|
|
mov_write_isml_manifest(pb, mov);
|
|
|
|
if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
|
|
mov_write_moov_tag(pb, mov, s);
|
|
mov->fragments++;
|
|
}
|
|
|
|
return 0;
|
|
error:
|
|
av_freep(&mov->tracks);
|
|
return -1;
|
|
}
|
|
|
|
static int mov_write_trailer(AVFormatContext *s)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
AVIOContext *pb = s->pb;
|
|
int res = 0;
|
|
int i;
|
|
|
|
int64_t moov_pos = avio_tell(pb);
|
|
|
|
if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
|
|
/* Write size of mdat tag */
|
|
if (mov->mdat_size + 8 <= UINT32_MAX) {
|
|
avio_seek(pb, mov->mdat_pos, SEEK_SET);
|
|
avio_wb32(pb, mov->mdat_size + 8);
|
|
} else {
|
|
/* overwrite 'wide' placeholder atom */
|
|
avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
|
|
/* special value: real atom size will be 64 bit value after
|
|
* tag field */
|
|
avio_wb32(pb, 1);
|
|
ffio_wfourcc(pb, "mdat");
|
|
avio_wb64(pb, mov->mdat_size + 16);
|
|
}
|
|
avio_seek(pb, moov_pos, SEEK_SET);
|
|
|
|
mov_write_moov_tag(pb, mov, s);
|
|
} else {
|
|
mov_flush_fragment(s);
|
|
mov_write_mfra_tag(pb, mov);
|
|
}
|
|
|
|
if (mov->chapter_track)
|
|
av_freep(&mov->tracks[mov->chapter_track].enc);
|
|
|
|
for (i=0; i<mov->nb_streams; i++) {
|
|
if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
|
|
ff_mov_close_hinting(&mov->tracks[i]);
|
|
if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
|
|
mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
|
|
int64_t off = avio_tell(pb);
|
|
uint8_t buf[7];
|
|
if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
|
|
avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
|
|
avio_write(pb, buf, 7);
|
|
avio_seek(pb, off, SEEK_SET);
|
|
}
|
|
}
|
|
av_freep(&mov->tracks[i].cluster);
|
|
av_freep(&mov->tracks[i].frag_info);
|
|
|
|
if (mov->tracks[i].vos_len)
|
|
av_free(mov->tracks[i].vos_data);
|
|
|
|
}
|
|
|
|
avio_flush(pb);
|
|
|
|
av_freep(&mov->tracks);
|
|
|
|
return res;
|
|
}
|
|
|
|
#if CONFIG_MOV_MUXER
|
|
MOV_CLASS(mov)
|
|
AVOutputFormat ff_mov_muxer = {
|
|
.name = "mov",
|
|
.long_name = NULL_IF_CONFIG_SMALL("MOV format"),
|
|
.extensions = "mov",
|
|
.priv_data_size = sizeof(MOVMuxContext),
|
|
.audio_codec = CODEC_ID_AAC,
|
|
#if CONFIG_LIBX264_ENCODER
|
|
.video_codec = CODEC_ID_H264,
|
|
#else
|
|
.video_codec = CODEC_ID_MPEG4,
|
|
#endif
|
|
.write_header = mov_write_header,
|
|
.write_packet = ff_mov_write_packet,
|
|
.write_trailer = mov_write_trailer,
|
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
|
|
.codec_tag = (const AVCodecTag* const []){ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0},
|
|
.priv_class = &mov_muxer_class,
|
|
};
|
|
#endif
|
|
#if CONFIG_TGP_MUXER
|
|
MOV_CLASS(tgp)
|
|
AVOutputFormat ff_tgp_muxer = {
|
|
.name = "3gp",
|
|
.long_name = NULL_IF_CONFIG_SMALL("3GP format"),
|
|
.extensions = "3gp",
|
|
.priv_data_size = sizeof(MOVMuxContext),
|
|
.audio_codec = CODEC_ID_AMR_NB,
|
|
.video_codec = CODEC_ID_H263,
|
|
.write_header = mov_write_header,
|
|
.write_packet = ff_mov_write_packet,
|
|
.write_trailer = mov_write_trailer,
|
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
|
|
.codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
|
|
.priv_class = &tgp_muxer_class,
|
|
};
|
|
#endif
|
|
#if CONFIG_MP4_MUXER
|
|
MOV_CLASS(mp4)
|
|
AVOutputFormat ff_mp4_muxer = {
|
|
.name = "mp4",
|
|
.long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
|
|
.mime_type = "application/mp4",
|
|
.extensions = "mp4",
|
|
.priv_data_size = sizeof(MOVMuxContext),
|
|
.audio_codec = CODEC_ID_AAC,
|
|
#if CONFIG_LIBX264_ENCODER
|
|
.video_codec = CODEC_ID_H264,
|
|
#else
|
|
.video_codec = CODEC_ID_MPEG4,
|
|
#endif
|
|
.write_header = mov_write_header,
|
|
.write_packet = ff_mov_write_packet,
|
|
.write_trailer = mov_write_trailer,
|
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
|
|
.codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
|
|
.priv_class = &mp4_muxer_class,
|
|
};
|
|
#endif
|
|
#if CONFIG_PSP_MUXER
|
|
MOV_CLASS(psp)
|
|
AVOutputFormat ff_psp_muxer = {
|
|
.name = "psp",
|
|
.long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
|
|
.extensions = "mp4,psp",
|
|
.priv_data_size = sizeof(MOVMuxContext),
|
|
.audio_codec = CODEC_ID_AAC,
|
|
#if CONFIG_LIBX264_ENCODER
|
|
.video_codec = CODEC_ID_H264,
|
|
#else
|
|
.video_codec = CODEC_ID_MPEG4,
|
|
#endif
|
|
.write_header = mov_write_header,
|
|
.write_packet = ff_mov_write_packet,
|
|
.write_trailer = mov_write_trailer,
|
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
|
|
.codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
|
|
.priv_class = &psp_muxer_class,
|
|
};
|
|
#endif
|
|
#if CONFIG_TG2_MUXER
|
|
MOV_CLASS(tg2)
|
|
AVOutputFormat ff_tg2_muxer = {
|
|
.name = "3g2",
|
|
.long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
|
|
.extensions = "3g2",
|
|
.priv_data_size = sizeof(MOVMuxContext),
|
|
.audio_codec = CODEC_ID_AMR_NB,
|
|
.video_codec = CODEC_ID_H263,
|
|
.write_header = mov_write_header,
|
|
.write_packet = ff_mov_write_packet,
|
|
.write_trailer = mov_write_trailer,
|
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
|
|
.codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
|
|
.priv_class = &tg2_muxer_class,
|
|
};
|
|
#endif
|
|
#if CONFIG_IPOD_MUXER
|
|
MOV_CLASS(ipod)
|
|
AVOutputFormat ff_ipod_muxer = {
|
|
.name = "ipod",
|
|
.long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
|
|
.mime_type = "application/mp4",
|
|
.extensions = "m4v,m4a",
|
|
.priv_data_size = sizeof(MOVMuxContext),
|
|
.audio_codec = CODEC_ID_AAC,
|
|
.video_codec = CODEC_ID_H264,
|
|
.write_header = mov_write_header,
|
|
.write_packet = ff_mov_write_packet,
|
|
.write_trailer = mov_write_trailer,
|
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
|
|
.codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
|
|
.priv_class = &ipod_muxer_class,
|
|
};
|
|
#endif
|
|
#if CONFIG_ISMV_MUXER
|
|
MOV_CLASS(ismv)
|
|
AVOutputFormat ff_ismv_muxer = {
|
|
.name = "ismv",
|
|
.long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming) format"),
|
|
.mime_type = "application/mp4",
|
|
.extensions = "ismv,isma",
|
|
.priv_data_size = sizeof(MOVMuxContext),
|
|
.audio_codec = CODEC_ID_AAC,
|
|
.video_codec = CODEC_ID_H264,
|
|
.write_header = mov_write_header,
|
|
.write_packet = ff_mov_write_packet,
|
|
.write_trailer = mov_write_trailer,
|
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
|
|
.codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
|
|
.priv_class = &ismv_muxer_class,
|
|
};
|
|
#endif
|