2332 lines
77 KiB
C
2332 lines
77 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 FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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 "internal.h"
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#include "libavutil/avstring.h"
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#undef NDEBUG
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#include <assert.h>
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//FIXME support 64 bit variant with wide placeholders
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static int64_t updateSize(AVIOContext *pb, int64_t pos)
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{
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int64_t curpos = url_ftell(pb);
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url_fseek(pb, pos, SEEK_SET);
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avio_wb32(pb, curpos - pos); /* rewrite size */
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url_fseek(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 = url_ftell(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);
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else
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avio_wb32(pb, track->cluster[i].pos);
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}
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return updateSize(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 = url_ftell(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) {
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int sSize = track->cluster[0].size/track->cluster[0].entries;
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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 updateSize(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 = url_ftell(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 = url_ftell(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].samplesInChunk)
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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].samplesInChunk); // samples per chunk
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avio_wb32(pb, 0x1); // sample description index
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oldval = track->cluster[i].samplesInChunk;
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index++;
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}
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}
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curpos = url_ftell(pb);
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url_fseek(pb, entryPos, SEEK_SET);
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avio_wb32(pb, index); // rewrite size
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url_fseek(pb, curpos, SEEK_SET);
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return updateSize(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 = url_ftell(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 = url_ftell(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 = url_ftell(pb);
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url_fseek(pb, entryPos, SEEK_SET);
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avio_wb32(pb, index); // rewrite size
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url_fseek(pb, curpos, SEEK_SET);
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return updateSize(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->vosLen < 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->vosData+4, track->vosLen-4);
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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 formated 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 unsigned int descrLength(unsigned int len)
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{
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int i;
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for(i=1; len>>(7*i); i++);
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return len + 1 + i;
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}
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static void putDescr(AVIOContext *pb, int tag, unsigned int size)
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{
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int i= descrLength(size) - size - 2;
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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 = url_ftell(pb);
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int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):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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putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
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descrLength(1));
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avio_wb16(pb, track->trackID);
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avio_w8(pb, 0x00); // flags (= no flags)
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// DecoderConfig descriptor
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putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
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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->vosLen) {
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// DecoderSpecific info descriptor
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putDescr(pb, 0x05, track->vosLen);
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avio_write(pb, track->vosData, track->vosLen);
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}
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// SL descriptor
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putDescr(pb, 0x06, 1);
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avio_w8(pb, 0x02);
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return updateSize(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 = url_ftell(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 updateSize(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 = url_ftell(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) {
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mov_write_amr_tag(pb, track);
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} else if (track->enc->codec_id == CODEC_ID_AC3) {
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mov_write_ac3_tag(pb, track);
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} else if (track->enc->codec_id == CODEC_ID_ALAC) {
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mov_write_extradata_tag(pb, track);
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} else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
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track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
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mov_write_ms_tag(pb, track);
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}
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avio_wb32(pb, 8); /* size */
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avio_wb32(pb, 0); /* null tag */
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return updateSize(pb, pos);
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}
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static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
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{
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avio_wb32(pb, track->vosLen+8);
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ffio_wfourcc(pb, "glbl");
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avio_write(pb, track->vosData, track->vosLen);
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return 8+track->vosLen;
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}
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/**
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* Compute flags for 'lpcm' tag.
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* See CoreAudioTypes and AudioStreamBasicDescription at Apple.
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*/
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static int mov_get_lpcm_flags(enum CodecID codec_id)
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{
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switch (codec_id) {
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case CODEC_ID_PCM_F32BE:
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case CODEC_ID_PCM_F64BE:
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return 11;
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case CODEC_ID_PCM_F32LE:
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case CODEC_ID_PCM_F64LE:
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return 9;
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case CODEC_ID_PCM_U8:
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return 10;
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case CODEC_ID_PCM_S16BE:
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case CODEC_ID_PCM_S24BE:
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case CODEC_ID_PCM_S32BE:
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return 14;
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case CODEC_ID_PCM_S8:
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case CODEC_ID_PCM_S16LE:
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case CODEC_ID_PCM_S24LE:
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case CODEC_ID_PCM_S32LE:
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return 12;
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default:
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return 0;
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}
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}
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static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
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{
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int64_t pos = url_ftell(pb);
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int version = 0;
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uint32_t tag = track->tag;
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if (track->mode == MODE_MOV) {
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if (track->timescale > UINT16_MAX) {
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if (mov_get_lpcm_flags(track->enc->codec_id))
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tag = AV_RL32("lpcm");
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version = 2;
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} else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
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track->enc->codec_id == CODEC_ID_ADPCM_MS ||
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track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
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version = 1;
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}
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}
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avio_wb32(pb, 0); /* size */
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avio_wl32(pb, tag); // store it byteswapped
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avio_wb32(pb, 0); /* Reserved */
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avio_wb16(pb, 0); /* Reserved */
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avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
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/* SoundDescription */
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avio_wb16(pb, version); /* Version */
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avio_wb16(pb, 0); /* Revision level */
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avio_wb32(pb, 0); /* Reserved */
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if (version == 2) {
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avio_wb16(pb, 3);
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avio_wb16(pb, 16);
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avio_wb16(pb, 0xfffe);
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avio_wb16(pb, 0);
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avio_wb32(pb, 0x00010000);
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avio_wb32(pb, 72);
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avio_wb64(pb, av_dbl2int(track->timescale));
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avio_wb32(pb, track->enc->channels);
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avio_wb32(pb, 0x7F000000);
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avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
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avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
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avio_wb32(pb, track->sampleSize);
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avio_wb32(pb, track->enc->frame_size);
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} else {
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if (track->mode == MODE_MOV) {
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avio_wb16(pb, track->enc->channels);
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if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
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track->enc->codec_id == CODEC_ID_PCM_S8)
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avio_wb16(pb, 8); /* bits per sample */
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else
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avio_wb16(pb, 16);
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avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
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} else { /* reserved for mp4/3gp */
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avio_wb16(pb, 2);
|
|
avio_wb16(pb, 16);
|
|
avio_wb16(pb, 0);
|
|
}
|
|
|
|
avio_wb16(pb, 0); /* packet size (= 0) */
|
|
avio_wb16(pb, track->timescale); /* Time scale */
|
|
avio_wb16(pb, 0); /* Reserved */
|
|
}
|
|
|
|
if(version == 1) { /* SoundDescription V1 extended info */
|
|
avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
|
|
avio_wb32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
|
|
avio_wb32(pb, track->sampleSize); /* Bytes per frame */
|
|
avio_wb32(pb, 2); /* Bytes per sample */
|
|
}
|
|
|
|
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->vosLen > 0)
|
|
mov_write_glbl_tag(pb, track);
|
|
|
|
return updateSize(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 = url_ftell(pb);
|
|
|
|
avio_wb32(pb, 0);
|
|
ffio_wfourcc(pb, "avcC");
|
|
ff_isom_write_avcc(pb, track->vosData, track->vosLen);
|
|
return updateSize(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, 1); /* yuv 1 / rgb 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->vosData + 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->vosData[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_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->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');
|
|
|
|
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(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_INFO, "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(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_INFO, "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_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 int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = url_ftell(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 updateSize(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 = url_ftell(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)
|
|
strncpy(compressor_name,track->enc->codec->name,31);
|
|
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->vosLen > 0)
|
|
mov_write_glbl_tag(pb, track);
|
|
|
|
if (track->mode == MODE_MOV &&
|
|
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 updateSize(pb, pos);
|
|
}
|
|
|
|
static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = url_ftell(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 updateSize(pb, pos);
|
|
}
|
|
|
|
static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = url_ftell(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 updateSize(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->sampleCount;
|
|
stts_entries[0].duration = 1;
|
|
entries = 1;
|
|
} else {
|
|
stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
|
|
for (i=0; i<track->entry; i++) {
|
|
int64_t duration = i + 1 == track->entry ?
|
|
track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
|
|
track->cluster[i+1].dts - track->cluster[i].dts;
|
|
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 = url_ftell(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->hasKeyframes && track->hasKeyframes < 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 updateSize(pb, pos);
|
|
}
|
|
|
|
static int mov_write_dinf_tag(AVIOContext *pb)
|
|
{
|
|
int64_t pos = url_ftell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "dinf");
|
|
mov_write_dref_tag(pb);
|
|
return updateSize(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 = url_ftell(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 updateSize(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 = url_ftell(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 updateSize(pb, pos);
|
|
}
|
|
|
|
static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int version = track->trackDuration < INT32_MAX ? 0 : 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) */
|
|
(version == 1) ? avio_wb64(pb, track->trackDuration) : avio_wb32(pb, track->trackDuration); /* 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 = url_ftell(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 updateSize(pb, pos);
|
|
}
|
|
|
|
static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
|
|
{
|
|
int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
|
|
track->timescale, AV_ROUND_UP);
|
|
int version = duration < INT32_MAX ? 0 : 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->trackID); /* track-id */
|
|
avio_wb32(pb, 0); /* reserved */
|
|
(version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
|
|
|
|
avio_wb32(pb, 0); /* reserved */
|
|
avio_wb32(pb, 0); /* reserved */
|
|
avio_wb32(pb, 0x0); /* reserved (Layer & 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)) {
|
|
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;
|
|
}
|
|
|
|
// 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)
|
|
{
|
|
avio_wb32(pb, 0x24); /* size */
|
|
ffio_wfourcc(pb, "edts");
|
|
avio_wb32(pb, 0x1c); /* size */
|
|
ffio_wfourcc(pb, "elst");
|
|
avio_wb32(pb, 0x0);
|
|
avio_wb32(pb, 0x1);
|
|
|
|
/* duration ... doesn't seem to effect psp */
|
|
avio_wb32(pb, av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
|
|
track->timescale, AV_ROUND_UP));
|
|
|
|
avio_wb32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
|
|
avio_wb32(pb, 0x00010000);
|
|
return 0x24;
|
|
}
|
|
|
|
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, AVCodecContext *ctx, int index)
|
|
{
|
|
char buf[1000] = "";
|
|
int len;
|
|
|
|
ff_sdp_write_media(buf, sizeof(buf), ctx, NULL, NULL, 0, 0);
|
|
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, MOVTrack *track, AVStream *st)
|
|
{
|
|
int64_t pos = url_ftell(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)
|
|
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->streams[0]->codec, track->trackID);
|
|
return updateSize(pb, pos);
|
|
}
|
|
|
|
#if 0
|
|
/* TODO: Not sorted out, but not necessary either */
|
|
static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
|
|
{
|
|
avio_wb32(pb, 0x15); /* size */
|
|
ffio_wfourcc(pb, "iods");
|
|
avio_wb32(pb, 0); /* version & flags */
|
|
avio_wb16(pb, 0x1007);
|
|
avio_w8(pb, 0);
|
|
avio_wb16(pb, 0x4fff);
|
|
avio_wb16(pb, 0xfffe);
|
|
avio_wb16(pb, 0x01ff);
|
|
return 0x15;
|
|
}
|
|
#endif
|
|
|
|
static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
|
|
{
|
|
int maxTrackID = 1, i;
|
|
int64_t maxTrackLenTemp, maxTrackLen = 0;
|
|
int version;
|
|
|
|
for (i=0; i<mov->nb_streams; i++) {
|
|
if(mov->tracks[i].entry > 0) {
|
|
maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
|
|
MOV_TIMESCALE,
|
|
mov->tracks[i].timescale,
|
|
AV_ROUND_UP);
|
|
if(maxTrackLen < maxTrackLenTemp)
|
|
maxTrackLen = maxTrackLenTemp;
|
|
if(maxTrackID < mov->tracks[i].trackID)
|
|
maxTrackID = mov->tracks[i].trackID;
|
|
}
|
|
}
|
|
|
|
version = maxTrackLen < 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, maxTrackLen) : avio_wb32(pb, maxTrackLen); /* 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, maxTrackID+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 = url_ftell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, name);
|
|
mov_write_string_data_tag(pb, value, lang, long_style);
|
|
size= updateSize(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;
|
|
AVMetadataTag *t, *t2 = NULL;
|
|
char tag2[16];
|
|
|
|
if (!(t = av_metadata_get(s->metadata, tag, NULL, 0)))
|
|
return 0;
|
|
|
|
len = strlen(t->key);
|
|
snprintf(tag2, sizeof(tag2), "%s-", tag);
|
|
while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_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)
|
|
{
|
|
AVMetadataTag *t = av_metadata_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 = url_ftell(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 updateSize(pb, pos);
|
|
}
|
|
|
|
/* iTunes meta data tag */
|
|
static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
AVFormatContext *s)
|
|
{
|
|
int size = 0;
|
|
int64_t pos = url_ftell(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 = updateSize(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 = url_ftell(pb);
|
|
AVMetadataTag *t = av_metadata_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_metadata_get(s->metadata, "track", NULL, 0)))
|
|
avio_w8(pb, atoi(t->value));
|
|
}
|
|
return updateSize(pb, pos);
|
|
}
|
|
|
|
static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
|
|
{
|
|
int64_t pos = url_ftell(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];
|
|
AVMetadataTag *t;
|
|
avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
|
|
|
|
if ((t = av_metadata_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 updateSize(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 = url_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 = url_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)
|
|
{
|
|
AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0);
|
|
int64_t pos, pos2;
|
|
|
|
if (title) {
|
|
pos = url_ftell(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 = url_ftell(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);
|
|
|
|
updateSize(pb, pos2);
|
|
return updateSize(pb, pos);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
AVFormatContext *s)
|
|
{
|
|
int i;
|
|
int64_t pos = url_ftell(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) continue;
|
|
|
|
mov->tracks[i].time = mov->time;
|
|
mov->tracks[i].trackID = 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].trackID;
|
|
}
|
|
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].trackID;
|
|
}
|
|
}
|
|
|
|
mov_write_mvhd_tag(pb, mov);
|
|
//mov_write_iods_tag(pb, mov);
|
|
for (i=0; i<mov->nb_streams; i++) {
|
|
if(mov->tracks[i].entry > 0) {
|
|
mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
|
|
}
|
|
}
|
|
|
|
if (mov->mode == MODE_PSP)
|
|
mov_write_uuidusmt_tag(pb, s);
|
|
else
|
|
mov_write_udta_tag(pb, mov, s);
|
|
|
|
return updateSize(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 = url_ftell(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 = url_ftell(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
|
|
ffio_wfourcc(pb, "qt ");
|
|
|
|
avio_wb32(pb, minor);
|
|
|
|
if(mov->mode == MODE_MOV)
|
|
ffio_wfourcc(pb, "qt ");
|
|
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 updateSize(pb, pos);
|
|
}
|
|
|
|
static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
|
|
{
|
|
AVCodecContext *VideoCodec = s->streams[0]->codec;
|
|
AVCodecContext *AudioCodec = s->streams[1]->codec;
|
|
int AudioRate = AudioCodec->sample_rate;
|
|
int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
|
|
int audio_kbitrate= AudioCodec->bit_rate / 1000;
|
|
int video_kbitrate= FFMIN(VideoCodec->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, AudioRate);
|
|
avio_wb32(pb, AudioCodec->channels);
|
|
|
|
avio_wb32(pb, 0x34); /* size */
|
|
ffio_wfourcc(pb, "VPRF"); /* video */
|
|
avio_wb32(pb, 0x0);
|
|
avio_wb32(pb, 0x1); /* TrackID */
|
|
if (VideoCodec->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, FrameRate);
|
|
avio_wb32(pb, FrameRate);
|
|
avio_wb16(pb, VideoCodec->width);
|
|
avio_wb16(pb, VideoCodec->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;
|
|
}
|
|
|
|
int ff_mov_write_packet(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 samplesInChunk = 0;
|
|
int size= pkt->size;
|
|
|
|
if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
|
|
if (!size) return 0; /* Discard 0 sized packets */
|
|
|
|
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, 0};
|
|
int len = 0;
|
|
|
|
while (len < size && samplesInChunk < 100) {
|
|
len += packed_size[(pkt->data[len] >> 3) & 0x0F];
|
|
samplesInChunk++;
|
|
}
|
|
if(samplesInChunk > 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 (enc->codec_id == CODEC_ID_ADPCM_MS ||
|
|
enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
|
|
samplesInChunk = enc->frame_size;
|
|
} else if (trk->sampleSize)
|
|
samplesInChunk = size/trk->sampleSize;
|
|
else
|
|
samplesInChunk = 1;
|
|
|
|
/* copy extradata if it exists */
|
|
if (trk->vosLen == 0 && enc->extradata_size > 0) {
|
|
trk->vosLen = enc->extradata_size;
|
|
trk->vosData = av_malloc(trk->vosLen);
|
|
memcpy(trk->vosData, enc->extradata, trk->vosLen);
|
|
}
|
|
|
|
if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
|
|
/* from x264 or from bytestream h264 */
|
|
/* nal reformating needed */
|
|
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->vosLen) {
|
|
/* copy frame to create needed atoms */
|
|
trk->vosLen = size;
|
|
trk->vosData = av_malloc(size);
|
|
if (!trk->vosData)
|
|
return AVERROR(ENOMEM);
|
|
memcpy(trk->vosData, 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 = url_ftell(pb) - size;
|
|
trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
|
|
trk->cluster[trk->entry].size = size;
|
|
trk->cluster[trk->entry].entries = samplesInChunk;
|
|
trk->cluster[trk->entry].dts = pkt->dts;
|
|
trk->trackDuration = pkt->dts - trk->cluster[0].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 (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->hasKeyframes++;
|
|
}
|
|
trk->entry++;
|
|
trk->sampleCount += samplesInChunk;
|
|
mov->mdat_size += size;
|
|
|
|
put_flush_packet(pb);
|
|
|
|
if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
|
|
ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry);
|
|
return 0;
|
|
}
|
|
|
|
// 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_context();
|
|
track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
|
|
|
|
for (i = 0; i < s->nb_chapters; i++) {
|
|
AVChapter *c = s->chapters[i];
|
|
AVMetadataTag *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_metadata_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;
|
|
int i, hint_track = 0;
|
|
|
|
if (url_is_streamed(s->pb)) {
|
|
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;
|
|
|
|
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 (s->flags & AVFMT_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];
|
|
AVMetadataTag *lang = av_metadata_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;
|
|
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;
|
|
if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
|
|
av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
|
|
goto error;
|
|
}else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
|
|
st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
|
|
if (!st->codec->block_align) {
|
|
av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
|
|
goto error;
|
|
}
|
|
track->sampleSize = st->codec->block_align;
|
|
}else if(st->codec->frame_size > 1){ /* assume compressed audio */
|
|
track->audio_vbr = 1;
|
|
}else{
|
|
st->codec->frame_size = 1;
|
|
track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
|
|
}
|
|
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;
|
|
|
|
av_set_pts_info(st, 64, 1, track->timescale);
|
|
}
|
|
|
|
mov_write_mdat_tag(pb, mov);
|
|
mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
|
|
|
|
if (mov->chapter_track)
|
|
mov_create_chapter_track(s, mov->chapter_track);
|
|
|
|
if (s->flags & AVFMT_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++;
|
|
}
|
|
}
|
|
}
|
|
|
|
put_flush_packet(pb);
|
|
|
|
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 = url_ftell(pb);
|
|
|
|
/* Write size of mdat tag */
|
|
if (mov->mdat_size+8 <= UINT32_MAX) {
|
|
url_fseek(pb, mov->mdat_pos, SEEK_SET);
|
|
avio_wb32(pb, mov->mdat_size+8);
|
|
} else {
|
|
/* overwrite 'wide' placeholder atom */
|
|
url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
|
|
avio_wb32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
|
|
ffio_wfourcc(pb, "mdat");
|
|
avio_wb64(pb, mov->mdat_size+16);
|
|
}
|
|
url_fseek(pb, moov_pos, SEEK_SET);
|
|
|
|
mov_write_moov_tag(pb, mov, s);
|
|
|
|
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]);
|
|
av_freep(&mov->tracks[i].cluster);
|
|
|
|
if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
|
|
|
|
}
|
|
|
|
put_flush_packet(pb);
|
|
|
|
av_freep(&mov->tracks);
|
|
|
|
return res;
|
|
}
|
|
|
|
#if CONFIG_MOV_MUXER
|
|
AVOutputFormat ff_mov_muxer = {
|
|
"mov",
|
|
NULL_IF_CONFIG_SMALL("MOV format"),
|
|
NULL,
|
|
"mov",
|
|
sizeof(MOVMuxContext),
|
|
CODEC_ID_AAC,
|
|
CODEC_ID_MPEG4,
|
|
mov_write_header,
|
|
ff_mov_write_packet,
|
|
mov_write_trailer,
|
|
.flags = AVFMT_GLOBALHEADER,
|
|
.codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
|
|
};
|
|
#endif
|
|
#if CONFIG_TGP_MUXER
|
|
AVOutputFormat ff_tgp_muxer = {
|
|
"3gp",
|
|
NULL_IF_CONFIG_SMALL("3GP format"),
|
|
NULL,
|
|
"3gp",
|
|
sizeof(MOVMuxContext),
|
|
CODEC_ID_AMR_NB,
|
|
CODEC_ID_H263,
|
|
mov_write_header,
|
|
ff_mov_write_packet,
|
|
mov_write_trailer,
|
|
.flags = AVFMT_GLOBALHEADER,
|
|
.codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
|
|
};
|
|
#endif
|
|
#if CONFIG_MP4_MUXER
|
|
AVOutputFormat ff_mp4_muxer = {
|
|
"mp4",
|
|
NULL_IF_CONFIG_SMALL("MP4 format"),
|
|
"application/mp4",
|
|
"mp4",
|
|
sizeof(MOVMuxContext),
|
|
CODEC_ID_AAC,
|
|
CODEC_ID_MPEG4,
|
|
mov_write_header,
|
|
ff_mov_write_packet,
|
|
mov_write_trailer,
|
|
.flags = AVFMT_GLOBALHEADER,
|
|
.codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
|
|
};
|
|
#endif
|
|
#if CONFIG_PSP_MUXER
|
|
AVOutputFormat ff_psp_muxer = {
|
|
"psp",
|
|
NULL_IF_CONFIG_SMALL("PSP MP4 format"),
|
|
NULL,
|
|
"mp4,psp",
|
|
sizeof(MOVMuxContext),
|
|
CODEC_ID_AAC,
|
|
CODEC_ID_MPEG4,
|
|
mov_write_header,
|
|
ff_mov_write_packet,
|
|
mov_write_trailer,
|
|
.flags = AVFMT_GLOBALHEADER,
|
|
.codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
|
|
};
|
|
#endif
|
|
#if CONFIG_TG2_MUXER
|
|
AVOutputFormat ff_tg2_muxer = {
|
|
"3g2",
|
|
NULL_IF_CONFIG_SMALL("3GP2 format"),
|
|
NULL,
|
|
"3g2",
|
|
sizeof(MOVMuxContext),
|
|
CODEC_ID_AMR_NB,
|
|
CODEC_ID_H263,
|
|
mov_write_header,
|
|
ff_mov_write_packet,
|
|
mov_write_trailer,
|
|
.flags = AVFMT_GLOBALHEADER,
|
|
.codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
|
|
};
|
|
#endif
|
|
#if CONFIG_IPOD_MUXER
|
|
AVOutputFormat ff_ipod_muxer = {
|
|
"ipod",
|
|
NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
|
|
"application/mp4",
|
|
"m4v,m4a",
|
|
sizeof(MOVMuxContext),
|
|
CODEC_ID_AAC,
|
|
CODEC_ID_H264,
|
|
mov_write_header,
|
|
ff_mov_write_packet,
|
|
mov_write_trailer,
|
|
.flags = AVFMT_GLOBALHEADER,
|
|
.codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
|
|
};
|
|
#endif
|