1690 lines
52 KiB
C
1690 lines
52 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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*
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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 "avformat.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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#undef NDEBUG
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#include <assert.h>
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#define MOV_INDEX_CLUSTER_SIZE 16384
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#define globalTimescale 1000
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#define MODE_MP4 0
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#define MODE_MOV 1
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#define MODE_3GP 2
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#define MODE_PSP 3 // example working PSP command line:
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// ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
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#define MODE_3G2 4
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typedef struct MOVIentry {
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unsigned int flags, size;
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uint64_t pos;
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unsigned int samplesInChunk;
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char key_frame;
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unsigned int entries;
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int64_t cts;
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int64_t dts;
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} MOVIentry;
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typedef struct MOVIndex {
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int mode;
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int entry;
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long timescale;
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long time;
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int64_t trackDuration;
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long sampleCount;
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long sampleSize;
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int hasKeyframes;
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int hasBframes;
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int language;
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int trackID;
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int tag;
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AVCodecContext *enc;
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int vosLen;
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uint8_t *vosData;
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MOVIentry *cluster;
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int audio_vbr;
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} MOVTrack;
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typedef struct MOVContext {
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int mode;
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int64_t time;
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int nb_streams;
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offset_t mdat_pos;
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uint64_t mdat_size;
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long timescale;
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MOVTrack tracks[MAX_STREAMS];
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} MOVContext;
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//FIXME supprt 64bit varaint with wide placeholders
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static offset_t updateSize (ByteIOContext *pb, offset_t pos)
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{
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offset_t curpos = url_ftell(pb);
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url_fseek(pb, pos, SEEK_SET);
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put_be32(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(ByteIOContext *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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offset_t pos = url_ftell(pb);
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put_be32(pb, 0); /* size */
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if (pos > UINT32_MAX) {
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mode64 = 1;
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put_tag(pb, "co64");
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} else
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put_tag(pb, "stco");
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put_be32(pb, 0); /* version & flags */
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put_be32(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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put_be64(pb, track->cluster[i].pos);
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else
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put_be32(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(ByteIOContext *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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offset_t pos = url_ftell(pb);
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put_be32(pb, 0); /* size */
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put_tag(pb, "stsz");
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put_be32(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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put_be32(pb, sSize); // sample size
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put_be32(pb, entries); // sample count
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}
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else {
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put_be32(pb, 0); // sample size
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put_be32(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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put_be32(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(ByteIOContext *pb, MOVTrack* track)
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{
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int index = 0, oldval = -1, i;
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offset_t entryPos, curpos;
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offset_t pos = url_ftell(pb);
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put_be32(pb, 0); /* size */
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put_tag(pb, "stsc");
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put_be32(pb, 0); // version & flags
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entryPos = url_ftell(pb);
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put_be32(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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put_be32(pb, i+1); // first chunk
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put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
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put_be32(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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put_be32(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(ByteIOContext *pb, MOVTrack* track)
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{
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offset_t curpos, entryPos;
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int i, index = 0;
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offset_t pos = url_ftell(pb);
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put_be32(pb, 0); // size
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put_tag(pb, "stss");
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put_be32(pb, 0); // version & flags
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entryPos = url_ftell(pb);
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put_be32(pb, track->entry); // entry count
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for (i=0; i<track->entry; i++) {
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if(track->cluster[i].key_frame == 1) {
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put_be32(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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put_be32(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(ByteIOContext *pb, MOVTrack *track)
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{
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put_be32(pb, 0x11); /* size */
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if (track->mode == MODE_MOV) put_tag(pb, "samr");
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else put_tag(pb, "damr");
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put_tag(pb, "FFMP");
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put_byte(pb, 0); /* decoder version */
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put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
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put_byte(pb, 0x00); /* Mode change period (no restriction) */
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put_byte(pb, 0x01); /* Frames per sample */
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return 0x11;
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}
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static int mov_write_enda_tag(ByteIOContext *pb)
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{
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put_be32(pb, 10);
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put_tag(pb, "enda");
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put_be16(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(ByteIOContext *pb, int tag, unsigned int size)
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{
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int i= descrLength(size) - size - 2;
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put_byte(pb, tag);
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for(; i>0; i--)
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put_byte(pb, (size>>(7*i)) | 0x80);
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put_byte(pb, size & 0x7F);
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}
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static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track) // Basic
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{
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offset_t pos = url_ftell(pb);
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int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
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put_be32(pb, 0); // size
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put_tag(pb, "esds");
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put_be32(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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put_be16(pb, track->trackID);
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put_byte(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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put_byte(pb, 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 == CODEC_TYPE_AUDIO)
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put_byte(pb, 0x15); // flags (= Audiostream)
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else
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put_byte(pb, 0x11); // flags (= Visualstream)
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put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
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put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
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put_be32(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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put_be32(pb, 0); // vbr
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else
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put_be32(pb, track->enc->rc_max_rate); // avg bitrate
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if (track->vosLen)
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{
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// DecoderSpecific info descriptor
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putDescr(pb, 0x05, track->vosLen);
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put_buffer(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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put_byte(pb, 0x02);
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return updateSize (pb, pos);
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}
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static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack* track)
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{
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offset_t pos = url_ftell(pb);
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put_be32(pb, 0); /* size */
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put_tag(pb, "wave");
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put_be32(pb, 12); /* size */
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put_tag(pb, "frma");
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put_le32(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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put_be32(pb, 12); /* size */
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put_tag(pb, "mp4a");
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put_be32(pb, 0);
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mov_write_esds_tag(pb, track);
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} else if (track->enc->codec_id == CODEC_ID_PCM_S24LE ||
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track->enc->codec_id == CODEC_ID_PCM_S32LE) {
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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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}
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put_be32(pb, 8); /* size */
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put_be32(pb, 0); /* null tag */
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return updateSize (pb, pos);
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}
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static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack* track)
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{
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offset_t pos = url_ftell(pb);
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int version = track->mode == MODE_MOV &&
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(track->audio_vbr ||
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track->enc->codec_id == CODEC_ID_PCM_S32LE ||
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track->enc->codec_id == CODEC_ID_PCM_S24LE);
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put_be32(pb, 0); /* size */
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put_le32(pb, track->tag); // store it byteswapped
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put_be32(pb, 0); /* Reserved */
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put_be16(pb, 0); /* Reserved */
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put_be16(pb, 1); /* Data-reference index, XXX == 1 */
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/* SoundDescription */
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put_be16(pb, version); /* Version */
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put_be16(pb, 0); /* Revision level */
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put_be32(pb, 0); /* Reserved */
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if (track->mode == MODE_MOV) {
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put_be16(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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put_be16(pb, 8); /* bits per sample */
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else
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put_be16(pb, 16);
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put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
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} else { /* reserved for mp4/3gp */
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put_be16(pb, 2);
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put_be16(pb, 16);
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put_be16(pb, 0);
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}
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put_be16(pb, 0); /* packet size (= 0) */
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put_be16(pb, track->timescale); /* Time scale */
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put_be16(pb, 0); /* Reserved */
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if(version == 1) { /* SoundDescription V1 extended info */
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put_be32(pb, track->enc->frame_size); /* Samples per packet */
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put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
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put_be32(pb, track->sampleSize); /* Bytes per frame */
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put_be32(pb, 2); /* Bytes per sample */
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}
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if(track->mode == MODE_MOV &&
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(track->enc->codec_id == CODEC_ID_AAC ||
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track->enc->codec_id == CODEC_ID_AMR_NB ||
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track->enc->codec_id == CODEC_ID_PCM_S24LE ||
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track->enc->codec_id == CODEC_ID_PCM_S32LE))
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mov_write_wave_tag(pb, track);
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else if(track->enc->codec_id == CODEC_ID_AAC)
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mov_write_esds_tag(pb, track);
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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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return updateSize (pb, pos);
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}
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static int mov_write_d263_tag(ByteIOContext *pb)
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{
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put_be32(pb, 0xf); /* size */
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put_tag(pb, "d263");
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put_tag(pb, "FFMP");
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put_byte(pb, 0); /* decoder version */
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/* FIXME use AVCodecContext level/profile, when encoder will set values */
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put_byte(pb, 0xa); /* level */
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put_byte(pb, 0); /* profile */
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return 0xf;
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}
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/* TODO: No idea about these values */
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static int mov_write_svq3_tag(ByteIOContext *pb)
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{
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put_be32(pb, 0x15);
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put_tag(pb, "SMI ");
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put_tag(pb, "SEQH");
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put_be32(pb, 0x5);
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put_be32(pb, 0xe2c0211d);
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put_be32(pb, 0xc0000000);
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put_byte(pb, 0);
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return 0x15;
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}
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static uint8_t *avc_find_startcode( uint8_t *p, uint8_t *end )
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{
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uint8_t *a = p + 4 - ((int)p & 3);
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for( end -= 3; p < a && p < end; p++ ) {
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if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
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return p;
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}
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for( end -= 3; p < end; p += 4 ) {
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uint32_t x = *(uint32_t*)p;
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// if( (x - 0x01000100) & (~x) & 0x80008000 ) // little endian
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// if( (x - 0x00010001) & (~x) & 0x00800080 ) // big endian
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if( (x - 0x01010101) & (~x) & 0x80808080 ) { // generic
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if( p[1] == 0 ) {
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if( p[0] == 0 && p[2] == 1 )
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return p-1;
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if( p[2] == 0 && p[3] == 1 )
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return p;
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}
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if( p[3] == 0 ) {
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if( p[2] == 0 && p[4] == 1 )
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return p+1;
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if( p[4] == 0 && p[5] == 1 )
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return p+2;
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}
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}
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}
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for( end += 3; p < end; p++ ) {
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if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
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return p;
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}
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return end + 3;
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}
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static void avc_parse_nal_units(uint8_t **buf, int *size)
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{
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ByteIOContext pb;
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uint8_t *p = *buf;
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uint8_t *end = p + *size;
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uint8_t *nal_start, *nal_end;
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url_open_dyn_buf(&pb);
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nal_start = avc_find_startcode(p, end);
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while (nal_start < end) {
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while(!*(nal_start++));
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nal_end = avc_find_startcode(nal_start, end);
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put_be32(&pb, nal_end - nal_start);
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put_buffer(&pb, nal_start, nal_end - nal_start);
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nal_start = nal_end;
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}
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av_freep(buf);
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*size = url_close_dyn_buf(&pb, buf);
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}
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static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
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{
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offset_t pos = url_ftell(pb);
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put_be32(pb, 0);
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put_tag(pb, "avcC");
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if (track->vosLen > 6) {
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/* check for h264 start code */
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if (AV_RB32(track->vosData) == 0x00000001) {
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uint8_t *buf, *end;
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uint32_t sps_size=0, pps_size=0;
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uint8_t *sps=0, *pps=0;
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|
|
avc_parse_nal_units(&track->vosData, &track->vosLen);
|
|
buf = track->vosData;
|
|
end = track->vosData + track->vosLen;
|
|
|
|
/* look for sps and pps */
|
|
while (buf < end) {
|
|
unsigned int size;
|
|
uint8_t nal_type;
|
|
size = AV_RB32(buf);
|
|
nal_type = buf[4] & 0x1f;
|
|
if (nal_type == 7) { /* SPS */
|
|
sps = buf + 4;
|
|
sps_size = size;
|
|
} else if (nal_type == 8) { /* PPS */
|
|
pps = buf + 4;
|
|
pps_size = size;
|
|
}
|
|
buf += size + 4;
|
|
}
|
|
assert(sps);
|
|
assert(pps);
|
|
|
|
put_byte(pb, 1); /* version */
|
|
put_byte(pb, sps[1]); /* profile */
|
|
put_byte(pb, sps[2]); /* profile compat */
|
|
put_byte(pb, sps[3]); /* level */
|
|
put_byte(pb, 0xff); /* 6 bits reserved (111111) + 2 bits nal size length - 1 (11) */
|
|
put_byte(pb, 0xe1); /* 3 bits reserved (111) + 5 bits number of sps (00001) */
|
|
|
|
put_be16(pb, sps_size);
|
|
put_buffer(pb, sps, sps_size);
|
|
put_byte(pb, 1); /* number of pps */
|
|
put_be16(pb, pps_size);
|
|
put_buffer(pb, pps, pps_size);
|
|
} else {
|
|
put_buffer(pb, track->vosData, track->vosLen);
|
|
}
|
|
}
|
|
return updateSize(pb, pos);
|
|
}
|
|
|
|
static int mov_find_video_codec_tag(AVFormatContext *s, MOVTrack *track)
|
|
{
|
|
int tag = track->enc->codec_tag;
|
|
if (!tag) {
|
|
if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
|
|
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 { /* assume PAL */
|
|
if (track->enc->pix_fmt == PIX_FMT_YUV422P)
|
|
tag = MKTAG('d', 'v', '5', 'p');
|
|
else if (track->enc->pix_fmt == PIX_FMT_YUV420P)
|
|
tag = MKTAG('d', 'v', 'c', 'p');
|
|
else
|
|
tag = MKTAG('d', 'v', 'p', 'p');
|
|
}
|
|
} else if (track->enc->codec_id == CODEC_ID_H263) {
|
|
if (track->mode == MODE_MOV)
|
|
tag = MKTAG('h', '2', '6', '3');
|
|
else
|
|
tag = MKTAG('s', '2', '6', '3');
|
|
} else {
|
|
tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
|
|
}
|
|
}
|
|
// if no mac fcc found, try with Microsoft tags
|
|
if (!tag) {
|
|
tag = codec_get_tag(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");
|
|
}
|
|
}
|
|
assert(tag);
|
|
return tag;
|
|
}
|
|
|
|
static int mov_find_audio_codec_tag(AVFormatContext *s, MOVTrack *track)
|
|
{
|
|
int tag = track->enc->codec_tag;
|
|
if (!tag) {
|
|
tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
|
|
}
|
|
// if no mac fcc found, try with Microsoft tags
|
|
if (!tag) {
|
|
int ms_tag = codec_get_tag(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");
|
|
}
|
|
}
|
|
assert(tag);
|
|
return tag;
|
|
}
|
|
|
|
static int mov_write_video_tag(ByteIOContext *pb, MOVTrack* track)
|
|
{
|
|
offset_t pos = url_ftell(pb);
|
|
char compressor_name[32];
|
|
|
|
put_be32(pb, 0); /* size */
|
|
put_le32(pb, track->tag); // store it byteswapped
|
|
put_be32(pb, 0); /* Reserved */
|
|
put_be16(pb, 0); /* Reserved */
|
|
put_be16(pb, 1); /* Data-reference index */
|
|
|
|
put_be16(pb, 0); /* Codec stream version */
|
|
put_be16(pb, 0); /* Codec stream revision (=0) */
|
|
if (track->mode == MODE_MOV) {
|
|
put_tag(pb, "FFMP"); /* Vendor */
|
|
if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
|
|
put_be32(pb, 0); /* Temporal Quality */
|
|
put_be32(pb, 0x400); /* Spatial Quality = lossless*/
|
|
} else {
|
|
put_be32(pb, 0x200); /* Temporal Quality = normal */
|
|
put_be32(pb, 0x200); /* Spatial Quality = normal */
|
|
}
|
|
} else {
|
|
put_be32(pb, 0); /* Reserved */
|
|
put_be32(pb, 0); /* Reserved */
|
|
put_be32(pb, 0); /* Reserved */
|
|
}
|
|
put_be16(pb, track->enc->width); /* Video width */
|
|
put_be16(pb, track->enc->height); /* Video height */
|
|
put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
|
|
put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
|
|
put_be32(pb, 0); /* Data size (= 0) */
|
|
put_be16(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);
|
|
put_byte(pb, strlen(compressor_name));
|
|
put_buffer(pb, compressor_name, 31);
|
|
|
|
put_be16(pb, 0x18); /* Reserved */
|
|
put_be16(pb, 0xffff); /* Reserved */
|
|
if(track->enc->codec_id == CODEC_ID_MPEG4)
|
|
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_H264)
|
|
mov_write_avcc_tag(pb, track);
|
|
|
|
return updateSize (pb, pos);
|
|
}
|
|
|
|
static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack* track)
|
|
{
|
|
offset_t pos = url_ftell(pb);
|
|
put_be32(pb, 0); /* size */
|
|
put_tag(pb, "stsd");
|
|
put_be32(pb, 0); /* version & flags */
|
|
put_be32(pb, 1); /* entry count */
|
|
if (track->enc->codec_type == CODEC_TYPE_VIDEO)
|
|
mov_write_video_tag(pb, track);
|
|
else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
|
|
mov_write_audio_tag(pb, track);
|
|
return updateSize(pb, pos);
|
|
}
|
|
|
|
static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack* track)
|
|
{
|
|
Time2Sample *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);
|
|
put_be32(pb, atom_size); /* size */
|
|
put_tag(pb, "ctts");
|
|
put_be32(pb, 0); /* version & flags */
|
|
put_be32(pb, entries); /* entry count */
|
|
for (i=0; i<entries; i++) {
|
|
put_be32(pb, ctts_entries[i].count);
|
|
put_be32(pb, ctts_entries[i].duration);
|
|
}
|
|
av_free(ctts_entries);
|
|
return atom_size;
|
|
}
|
|
|
|
/* Time to sample atom */
|
|
static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack* track)
|
|
{
|
|
Time2Sample *stts_entries;
|
|
uint32_t entries = -1;
|
|
uint32_t atom_size;
|
|
int i;
|
|
|
|
if (track->enc->codec_type == CODEC_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);
|
|
put_be32(pb, atom_size); /* size */
|
|
put_tag(pb, "stts");
|
|
put_be32(pb, 0); /* version & flags */
|
|
put_be32(pb, entries); /* entry count */
|
|
for (i=0; i<entries; i++) {
|
|
put_be32(pb, stts_entries[i].count);
|
|
put_be32(pb, stts_entries[i].duration);
|
|
}
|
|
av_free(stts_entries);
|
|
return atom_size;
|
|
}
|
|
|
|
static int mov_write_dref_tag(ByteIOContext *pb)
|
|
{
|
|
put_be32(pb, 28); /* size */
|
|
put_tag(pb, "dref");
|
|
put_be32(pb, 0); /* version & flags */
|
|
put_be32(pb, 1); /* entry count */
|
|
|
|
put_be32(pb, 0xc); /* size */
|
|
put_tag(pb, "url ");
|
|
put_be32(pb, 1); /* version & flags */
|
|
|
|
return 28;
|
|
}
|
|
|
|
static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack* track)
|
|
{
|
|
offset_t pos = url_ftell(pb);
|
|
put_be32(pb, 0); /* size */
|
|
put_tag(pb, "stbl");
|
|
mov_write_stsd_tag(pb, track);
|
|
mov_write_stts_tag(pb, track);
|
|
if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
|
|
track->hasKeyframes < track->entry)
|
|
mov_write_stss_tag(pb, track);
|
|
if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
|
|
track->hasBframes)
|
|
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(ByteIOContext *pb)
|
|
{
|
|
offset_t pos = url_ftell(pb);
|
|
put_be32(pb, 0); /* size */
|
|
put_tag(pb, "dinf");
|
|
mov_write_dref_tag(pb);
|
|
return updateSize(pb, pos);
|
|
}
|
|
|
|
static int mov_write_smhd_tag(ByteIOContext *pb)
|
|
{
|
|
put_be32(pb, 16); /* size */
|
|
put_tag(pb, "smhd");
|
|
put_be32(pb, 0); /* version & flags */
|
|
put_be16(pb, 0); /* reserved (balance, normally = 0) */
|
|
put_be16(pb, 0); /* reserved */
|
|
return 16;
|
|
}
|
|
|
|
static int mov_write_vmhd_tag(ByteIOContext *pb)
|
|
{
|
|
put_be32(pb, 0x14); /* size (always 0x14) */
|
|
put_tag(pb, "vmhd");
|
|
put_be32(pb, 0x01); /* version & flags */
|
|
put_be64(pb, 0); /* reserved (graphics mode = copy) */
|
|
return 0x14;
|
|
}
|
|
|
|
static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack* track)
|
|
{
|
|
const char *descr, *hdlr, *hdlr_type;
|
|
offset_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 == CODEC_TYPE_VIDEO) {
|
|
hdlr_type = "vide";
|
|
descr = "VideoHandler";
|
|
} else {
|
|
hdlr_type = "soun";
|
|
descr = "SoundHandler";
|
|
}
|
|
}
|
|
|
|
put_be32(pb, 0); /* size */
|
|
put_tag(pb, "hdlr");
|
|
put_be32(pb, 0); /* Version & flags */
|
|
put_buffer(pb, hdlr, 4); /* handler */
|
|
put_tag(pb, hdlr_type); /* handler type */
|
|
put_be32(pb ,0); /* reserved */
|
|
put_be32(pb ,0); /* reserved */
|
|
put_be32(pb ,0); /* reserved */
|
|
put_byte(pb, strlen(descr)); /* string counter */
|
|
put_buffer(pb, descr, strlen(descr)); /* handler description */
|
|
return updateSize(pb, pos);
|
|
}
|
|
|
|
static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack* track)
|
|
{
|
|
offset_t pos = url_ftell(pb);
|
|
put_be32(pb, 0); /* size */
|
|
put_tag(pb, "minf");
|
|
if(track->enc->codec_type == CODEC_TYPE_VIDEO)
|
|
mov_write_vmhd_tag(pb);
|
|
else
|
|
mov_write_smhd_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(ByteIOContext *pb, MOVTrack* track)
|
|
{
|
|
int version = track->trackDuration < INT32_MAX ? 0 : 1;
|
|
|
|
(version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
|
|
put_tag(pb, "mdhd");
|
|
put_byte(pb, version);
|
|
put_be24(pb, 0); /* flags */
|
|
if (version == 1) {
|
|
put_be64(pb, track->time);
|
|
put_be64(pb, track->time);
|
|
} else {
|
|
put_be32(pb, track->time); /* creation time */
|
|
put_be32(pb, track->time); /* modification time */
|
|
}
|
|
put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
|
|
(version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
|
|
put_be16(pb, track->language); /* language */
|
|
put_be16(pb, 0); /* reserved (quality) */
|
|
return 32;
|
|
}
|
|
|
|
static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack* track)
|
|
{
|
|
offset_t pos = url_ftell(pb);
|
|
put_be32(pb, 0); /* size */
|
|
put_tag(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(ByteIOContext *pb, MOVTrack* track)
|
|
{
|
|
int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
|
|
int version = duration < INT32_MAX ? 0 : 1;
|
|
|
|
(version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
|
|
put_tag(pb, "tkhd");
|
|
put_byte(pb, version);
|
|
put_be24(pb, 0xf); /* flags (track enabled) */
|
|
if (version == 1) {
|
|
put_be64(pb, track->time);
|
|
put_be64(pb, track->time);
|
|
} else {
|
|
put_be32(pb, track->time); /* creation time */
|
|
put_be32(pb, track->time); /* modification time */
|
|
}
|
|
put_be32(pb, track->trackID); /* track-id */
|
|
put_be32(pb, 0); /* reserved */
|
|
(version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
|
|
|
|
put_be32(pb, 0); /* reserved */
|
|
put_be32(pb, 0); /* reserved */
|
|
put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
|
|
/* Volume, only for audio */
|
|
if(track->enc->codec_type == CODEC_TYPE_AUDIO)
|
|
put_be16(pb, 0x0100);
|
|
else
|
|
put_be16(pb, 0);
|
|
put_be16(pb, 0); /* reserved */
|
|
|
|
/* Matrix structure */
|
|
put_be32(pb, 0x00010000); /* reserved */
|
|
put_be32(pb, 0x0); /* reserved */
|
|
put_be32(pb, 0x0); /* reserved */
|
|
put_be32(pb, 0x0); /* reserved */
|
|
put_be32(pb, 0x00010000); /* reserved */
|
|
put_be32(pb, 0x0); /* reserved */
|
|
put_be32(pb, 0x0); /* reserved */
|
|
put_be32(pb, 0x0); /* reserved */
|
|
put_be32(pb, 0x40000000); /* reserved */
|
|
|
|
/* Track width and height, for visual only */
|
|
if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
|
|
double sample_aspect_ratio = av_q2d(track->enc->sample_aspect_ratio);
|
|
if( !sample_aspect_ratio ) sample_aspect_ratio = 1;
|
|
put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
|
|
put_be32(pb, track->enc->height*0x10000);
|
|
}
|
|
else {
|
|
put_be32(pb, 0);
|
|
put_be32(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(ByteIOContext *pb, MOVTrack *track)
|
|
{
|
|
put_be32(pb, 0x24); /* size */
|
|
put_tag(pb, "edts");
|
|
put_be32(pb, 0x1c); /* size */
|
|
put_tag(pb, "elst");
|
|
put_be32(pb, 0x0);
|
|
put_be32(pb, 0x1);
|
|
|
|
put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
|
|
|
|
put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
|
|
put_be32(pb, 0x00010000);
|
|
return 0x24;
|
|
}
|
|
|
|
// goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
|
|
static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
|
|
{
|
|
put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
|
|
put_tag(pb, "uuid");
|
|
put_tag(pb, "USMT");
|
|
put_be32(pb, 0x21d24fce);
|
|
put_be32(pb, 0xbb88695c);
|
|
put_be32(pb, 0xfac9c740);
|
|
put_be32(pb, 0x1c); // another size here!
|
|
put_tag(pb, "MTDT");
|
|
put_be32(pb, 0x00010012);
|
|
put_be32(pb, 0x0a);
|
|
put_be32(pb, 0x55c40000);
|
|
put_be32(pb, 0x1);
|
|
put_be32(pb, 0x0);
|
|
return 0x34;
|
|
}
|
|
|
|
static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack* track)
|
|
{
|
|
offset_t pos = url_ftell(pb);
|
|
put_be32(pb, 0); /* size */
|
|
put_tag(pb, "trak");
|
|
mov_write_tkhd_tag(pb, track);
|
|
if (track->mode == MODE_PSP || track->hasBframes)
|
|
mov_write_edts_tag(pb, track); // PSP Movies require edts box
|
|
mov_write_mdia_tag(pb, track);
|
|
if (track->mode == MODE_PSP)
|
|
mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
|
|
return updateSize(pb, pos);
|
|
}
|
|
|
|
#if 0
|
|
/* TODO: Not sorted out, but not necessary either */
|
|
static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
|
|
{
|
|
put_be32(pb, 0x15); /* size */
|
|
put_tag(pb, "iods");
|
|
put_be32(pb, 0); /* version & flags */
|
|
put_be16(pb, 0x1007);
|
|
put_byte(pb, 0);
|
|
put_be16(pb, 0x4fff);
|
|
put_be16(pb, 0xfffe);
|
|
put_be16(pb, 0x01ff);
|
|
return 0x15;
|
|
}
|
|
#endif
|
|
|
|
static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *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, globalTimescale, 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) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
|
|
put_tag(pb, "mvhd");
|
|
put_byte(pb, version);
|
|
put_be24(pb, 0); /* flags */
|
|
if (version == 1) {
|
|
put_be64(pb, mov->time);
|
|
put_be64(pb, mov->time);
|
|
} else {
|
|
put_be32(pb, mov->time); /* creation time */
|
|
put_be32(pb, mov->time); /* modification time */
|
|
}
|
|
put_be32(pb, mov->timescale); /* timescale */
|
|
(version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
|
|
|
|
put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
|
|
put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
|
|
put_be16(pb, 0); /* reserved */
|
|
put_be32(pb, 0); /* reserved */
|
|
put_be32(pb, 0); /* reserved */
|
|
|
|
/* Matrix structure */
|
|
put_be32(pb, 0x00010000); /* reserved */
|
|
put_be32(pb, 0x0); /* reserved */
|
|
put_be32(pb, 0x0); /* reserved */
|
|
put_be32(pb, 0x0); /* reserved */
|
|
put_be32(pb, 0x00010000); /* reserved */
|
|
put_be32(pb, 0x0); /* reserved */
|
|
put_be32(pb, 0x0); /* reserved */
|
|
put_be32(pb, 0x0); /* reserved */
|
|
put_be32(pb, 0x40000000); /* reserved */
|
|
|
|
put_be32(pb, 0); /* reserved (preview time) */
|
|
put_be32(pb, 0); /* reserved (preview duration) */
|
|
put_be32(pb, 0); /* reserved (poster time) */
|
|
put_be32(pb, 0); /* reserved (selection time) */
|
|
put_be32(pb, 0); /* reserved (selection duration) */
|
|
put_be32(pb, 0); /* reserved (current time) */
|
|
put_be32(pb, maxTrackID+1); /* Next track id */
|
|
return 0x6c;
|
|
}
|
|
|
|
static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext* mov,
|
|
AVFormatContext *s)
|
|
{
|
|
offset_t pos = url_ftell(pb);
|
|
put_be32(pb, 0); /* size */
|
|
put_tag(pb, "hdlr");
|
|
put_be32(pb, 0);
|
|
put_be32(pb, 0);
|
|
put_tag(pb, "mdir");
|
|
put_tag(pb, "appl");
|
|
put_be32(pb, 0);
|
|
put_be32(pb, 0);
|
|
put_be16(pb, 0);
|
|
return updateSize(pb, pos);
|
|
}
|
|
|
|
/* helper function to write a data tag with the specified string as data */
|
|
static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int long_style)
|
|
{
|
|
if(long_style){
|
|
offset_t pos = url_ftell(pb);
|
|
put_be32(pb, 0); /* size */
|
|
put_tag(pb, "data");
|
|
put_be32(pb, 1);
|
|
put_be32(pb, 0);
|
|
put_buffer(pb, data, strlen(data));
|
|
return updateSize(pb, pos);
|
|
}else{
|
|
put_be16(pb, strlen(data)); /* string length */
|
|
put_be16(pb, 0);
|
|
put_buffer(pb, data, strlen(data));
|
|
return strlen(data) + 4;
|
|
}
|
|
}
|
|
|
|
static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int long_style){
|
|
int size = 0;
|
|
if ( value && value[0] ) {
|
|
offset_t pos = url_ftell(pb);
|
|
put_be32(pb, 0); /* size */
|
|
put_tag(pb, name);
|
|
mov_write_string_data_tag(pb, value, long_style);
|
|
size= updateSize(pb, pos);
|
|
}
|
|
return size;
|
|
}
|
|
|
|
/* iTunes year */
|
|
static int mov_write_day_tag(ByteIOContext *pb, int year, int long_style)
|
|
{
|
|
if(year){
|
|
char year_str[5];
|
|
snprintf(year_str, sizeof(year_str), "%04d", year);
|
|
return mov_write_string_tag(pb, "\251day", year_str, long_style);
|
|
}else
|
|
return 0;
|
|
}
|
|
|
|
/* iTunes track number */
|
|
static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext* mov,
|
|
AVFormatContext *s)
|
|
{
|
|
int size = 0;
|
|
if ( s->track ) {
|
|
offset_t pos = url_ftell(pb);
|
|
put_be32(pb, 0); /* size */
|
|
put_tag(pb, "trkn");
|
|
{
|
|
offset_t pos = url_ftell(pb);
|
|
put_be32(pb, 0); /* size */
|
|
put_tag(pb, "data");
|
|
put_be32(pb, 0); // 8 bytes empty
|
|
put_be32(pb, 0);
|
|
put_be16(pb, 0); // empty
|
|
put_be16(pb, s->track); // track number
|
|
put_be16(pb, 0); // total track number
|
|
put_be16(pb, 0); // empty
|
|
updateSize(pb, pos);
|
|
}
|
|
size = updateSize(pb, pos);
|
|
}
|
|
return size;
|
|
}
|
|
|
|
/* iTunes meta data list */
|
|
static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext* mov,
|
|
AVFormatContext *s)
|
|
{
|
|
offset_t pos = url_ftell(pb);
|
|
put_be32(pb, 0); /* size */
|
|
put_tag(pb, "ilst");
|
|
mov_write_string_tag(pb, "\251nam", s->title , 1);
|
|
mov_write_string_tag(pb, "\251ART", s->author , 1);
|
|
mov_write_string_tag(pb, "\251wrt", s->author , 1);
|
|
mov_write_string_tag(pb, "\251alb", s->album , 1);
|
|
mov_write_day_tag(pb, s->year ,1);
|
|
if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
|
|
mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 1);
|
|
mov_write_string_tag(pb, "\251cmt", s->comment , 1);
|
|
mov_write_string_tag(pb, "\251gen", s->genre , 1);
|
|
mov_write_trkn_tag(pb, mov, s);
|
|
return updateSize(pb, pos);
|
|
}
|
|
|
|
/* iTunes meta data tag */
|
|
static int mov_write_meta_tag(ByteIOContext *pb, MOVContext* mov,
|
|
AVFormatContext *s)
|
|
{
|
|
int size = 0;
|
|
|
|
// only save meta tag if required
|
|
if ( s->title[0] || s->author[0] || s->album[0] || s->year ||
|
|
s->comment[0] || s->genre[0] || s->track ) {
|
|
offset_t pos = url_ftell(pb);
|
|
put_be32(pb, 0); /* size */
|
|
put_tag(pb, "meta");
|
|
put_be32(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 mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov,
|
|
AVFormatContext *s)
|
|
{
|
|
offset_t pos = url_ftell(pb);
|
|
int i;
|
|
|
|
put_be32(pb, 0); /* size */
|
|
put_tag(pb, "udta");
|
|
|
|
/* iTunes meta data */
|
|
mov_write_meta_tag(pb, mov, s);
|
|
|
|
if(mov->mode == MODE_MOV){ // the title field breaks gtkpod with mp4 and my suspicion is that stuff isnt valid in mp4
|
|
/* Requirements */
|
|
for (i=0; i<mov->nb_streams; i++) {
|
|
if(mov->tracks[i].entry <= 0) continue;
|
|
if (mov->tracks[i].enc->codec_id == CODEC_ID_AAC ||
|
|
mov->tracks[i].enc->codec_id == CODEC_ID_MPEG4) {
|
|
mov_write_string_tag(pb, "\251req", "QuickTime 6.0 or greater", 0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
mov_write_string_tag(pb, "\251nam", s->title , 0);
|
|
mov_write_string_tag(pb, "\251aut", s->author , 0);
|
|
mov_write_string_tag(pb, "\251alb", s->album , 0);
|
|
mov_write_day_tag(pb, s->year, 0);
|
|
if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
|
|
mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
|
|
mov_write_string_tag(pb, "\251des", s->comment , 0);
|
|
mov_write_string_tag(pb, "\251gen", s->genre , 0);
|
|
}
|
|
|
|
return updateSize(pb, pos);
|
|
}
|
|
|
|
static int utf8len(uint8_t *b){
|
|
int len=0;
|
|
int val;
|
|
while(*b){
|
|
GET_UTF8(val, *b++, return -1;)
|
|
len++;
|
|
}
|
|
return len;
|
|
}
|
|
|
|
static int ascii_to_wc (ByteIOContext *pb, uint8_t *b)
|
|
{
|
|
int val;
|
|
while(*b){
|
|
GET_UTF8(val, *b++, return -1;)
|
|
put_be16(pb, val);
|
|
}
|
|
put_be16(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_uuidusmt_tag (ByteIOContext *pb, AVFormatContext *s)
|
|
{
|
|
size_t len, size;
|
|
offset_t pos, curpos;
|
|
|
|
size = 0;
|
|
if (s->title[0]) {
|
|
pos = url_ftell(pb);
|
|
put_be32(pb, 0); /* size placeholder*/
|
|
put_tag(pb, "uuid");
|
|
put_tag(pb, "USMT");
|
|
put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
|
|
put_be32(pb, 0xbb88695c );
|
|
put_be32(pb, 0xfac9c740 );
|
|
size += 24;
|
|
|
|
put_be32(pb, 0); /* size placeholder*/
|
|
put_tag(pb, "MTDT");
|
|
put_be16(pb, 4);
|
|
size += 10;
|
|
|
|
// ?
|
|
put_be16(pb, 0x0C); /* size */
|
|
put_be32(pb, 0x0B); /* type */
|
|
put_be16(pb, language_code("und")); /* language */
|
|
put_be16(pb, 0x0); /* ? */
|
|
put_be16(pb, 0x021C); /* data */
|
|
size += 12;
|
|
|
|
// Encoder
|
|
len = utf8len(LIBAVCODEC_IDENT)+1;
|
|
if(len<=0)
|
|
goto not_utf8;
|
|
put_be16(pb, len*2+10); /* size */
|
|
put_be32(pb, 0x04); /* type */
|
|
put_be16(pb, language_code("eng")); /* language */
|
|
put_be16(pb, 0x01); /* ? */
|
|
ascii_to_wc(pb, LIBAVCODEC_IDENT);
|
|
size += len*2+10;
|
|
|
|
// Title
|
|
len = utf8len(s->title)+1;
|
|
if(len<=0)
|
|
goto not_utf8;
|
|
put_be16(pb, len*2+10); /* size */
|
|
put_be32(pb, 0x01); /* type */
|
|
put_be16(pb, language_code("eng")); /* language */
|
|
put_be16(pb, 0x01); /* ? */
|
|
ascii_to_wc (pb, s->title);
|
|
size += len*2+10;
|
|
|
|
// Date
|
|
// 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);
|
|
len = utf8len("2006/04/01 11:11:11")+1;
|
|
if(len<=0)
|
|
goto not_utf8;
|
|
put_be16(pb, len*2+10); /* size */
|
|
put_be32(pb, 0x03); /* type */
|
|
put_be16(pb, language_code("und")); /* language */
|
|
put_be16(pb, 0x01); /* ? */
|
|
ascii_to_wc (pb, "2006/04/01 11:11:11");
|
|
size += len*2+10;
|
|
|
|
// size
|
|
curpos = url_ftell(pb);
|
|
url_fseek(pb, pos, SEEK_SET);
|
|
put_be32(pb, size);
|
|
url_fseek(pb, pos+24, SEEK_SET);
|
|
put_be32(pb, size-24);
|
|
url_fseek(pb, curpos, SEEK_SET);
|
|
}
|
|
|
|
return size;
|
|
not_utf8:
|
|
av_log(s, AV_LOG_ERROR, "not utf8\n");
|
|
return -1;
|
|
}
|
|
|
|
static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
|
|
AVFormatContext *s)
|
|
{
|
|
int i;
|
|
offset_t pos = url_ftell(pb);
|
|
put_be32(pb, 0); /* size placeholder*/
|
|
put_tag(pb, "moov");
|
|
mov->timescale = globalTimescale;
|
|
|
|
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;
|
|
}
|
|
|
|
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]));
|
|
}
|
|
}
|
|
|
|
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(ByteIOContext *pb, MOVContext* mov)
|
|
{
|
|
put_be32(pb, 8); // placeholder for extended size field (64 bit)
|
|
put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
|
|
|
|
mov->mdat_pos = url_ftell(pb);
|
|
put_be32(pb, 0); /* size placeholder*/
|
|
put_tag(pb, "mdat");
|
|
return 0;
|
|
}
|
|
|
|
/* TODO: This needs to be more general */
|
|
static void mov_write_ftyp_tag (ByteIOContext *pb, AVFormatContext *s)
|
|
{
|
|
MOVContext *mov = s->priv_data;
|
|
|
|
put_be32(pb, 0x14 ); /* size */
|
|
put_tag(pb, "ftyp");
|
|
|
|
if ( mov->mode == MODE_3GP )
|
|
put_tag(pb, "3gp4");
|
|
else if ( mov->mode == MODE_3G2 )
|
|
put_tag(pb, "3g2a");
|
|
else if ( mov->mode == MODE_PSP )
|
|
put_tag(pb, "MSNV");
|
|
else if ( mov->mode == MODE_MP4 )
|
|
put_tag(pb, "isom");
|
|
else
|
|
put_tag(pb, "qt ");
|
|
|
|
put_be32(pb, 0x200 );
|
|
|
|
if ( mov->mode == MODE_3GP )
|
|
put_tag(pb, "3gp4");
|
|
else if ( mov->mode == MODE_3G2 )
|
|
put_tag(pb, "3g2a");
|
|
else if ( mov->mode == MODE_PSP )
|
|
put_tag(pb, "MSNV");
|
|
else if ( mov->mode == MODE_MP4 )
|
|
put_tag(pb, "mp41");
|
|
else
|
|
put_tag(pb, "qt ");
|
|
}
|
|
|
|
static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
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{
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AVCodecContext *VideoCodec = s->streams[0]->codec;
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AVCodecContext *AudioCodec = s->streams[1]->codec;
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int AudioRate = AudioCodec->sample_rate;
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int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
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int audio_kbitrate= AudioCodec->bit_rate / 1000;
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int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
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put_be32(pb, 0x94 ); /* size */
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put_tag(pb, "uuid");
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put_tag(pb, "PROF");
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put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
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put_be32(pb, 0xbb88695c );
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put_be32(pb, 0xfac9c740 );
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put_be32(pb, 0x0 ); /* ? */
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put_be32(pb, 0x3 ); /* 3 sections ? */
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put_be32(pb, 0x14 ); /* size */
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put_tag(pb, "FPRF");
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put_be32(pb, 0x0 ); /* ? */
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put_be32(pb, 0x0 ); /* ? */
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put_be32(pb, 0x0 ); /* ? */
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put_be32(pb, 0x2c ); /* size */
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put_tag(pb, "APRF"); /* audio */
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put_be32(pb, 0x0 );
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put_be32(pb, 0x2 ); /* TrackID */
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put_tag(pb, "mp4a");
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put_be32(pb, 0x20f );
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put_be32(pb, 0x0 );
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put_be32(pb, audio_kbitrate);
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put_be32(pb, audio_kbitrate);
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put_be32(pb, AudioRate );
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put_be32(pb, AudioCodec->channels );
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put_be32(pb, 0x34 ); /* size */
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put_tag(pb, "VPRF"); /* video */
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put_be32(pb, 0x0 );
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put_be32(pb, 0x1 ); /* TrackID */
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if (VideoCodec->codec_id == CODEC_ID_H264) {
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put_tag(pb, "avc1");
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put_be16(pb, 0x014D );
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put_be16(pb, 0x0015 );
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} else {
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put_tag(pb, "mp4v");
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put_be16(pb, 0x0000 );
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put_be16(pb, 0x0103 );
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}
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put_be32(pb, 0x0 );
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put_be32(pb, video_kbitrate);
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put_be32(pb, video_kbitrate);
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put_be32(pb, FrameRate);
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put_be32(pb, FrameRate);
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put_be16(pb, VideoCodec->width);
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put_be16(pb, VideoCodec->height);
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put_be32(pb, 0x010001); /* ? */
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}
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static int mov_write_header(AVFormatContext *s)
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{
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ByteIOContext *pb = &s->pb;
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MOVContext *mov = s->priv_data;
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int i;
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/* Default mode == MP4 */
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mov->mode = MODE_MP4;
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if (s->oformat != NULL) {
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if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
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else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3G2;
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else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
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else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
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mov_write_ftyp_tag(pb,s);
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if ( mov->mode == MODE_PSP ) {
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if ( s->nb_streams != 2 ) {
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av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
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return -1;
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}
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mov_write_uuidprof_tag(pb,s);
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}
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}
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for(i=0; i<s->nb_streams; i++){
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AVStream *st= s->streams[i];
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MOVTrack *track= &mov->tracks[i];
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track->enc = st->codec;
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track->language = ff_mov_iso639_to_lang(st->language, mov->mode != MODE_MOV);
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track->mode = mov->mode;
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if(st->codec->codec_type == CODEC_TYPE_VIDEO){
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track->tag = mov_find_video_codec_tag(s, track);
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track->timescale = st->codec->time_base.den;
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av_set_pts_info(st, 64, 1, st->codec->time_base.den);
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}else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
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track->tag = mov_find_audio_codec_tag(s, track);
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track->timescale = st->codec->sample_rate;
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av_set_pts_info(st, 64, 1, st->codec->sample_rate);
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if(!st->codec->frame_size){
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av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
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return -1;
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}else if(st->codec->frame_size > 1){ /* assume compressed audio */
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track->audio_vbr = 1;
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}else{
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track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
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}
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}
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}
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mov_write_mdat_tag(pb, mov);
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mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
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mov->nb_streams = s->nb_streams;
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put_flush_packet(pb);
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return 0;
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}
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static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
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{
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MOVContext *mov = s->priv_data;
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ByteIOContext *pb = &s->pb;
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MOVTrack *trk = &mov->tracks[pkt->stream_index];
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AVCodecContext *enc = trk->enc;
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unsigned int samplesInChunk = 0;
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int size= pkt->size;
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if (url_is_streamed(&s->pb)) return 0; /* Can't handle that */
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if (!size) return 0; /* Discard 0 sized packets */
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if (enc->codec_id == CODEC_ID_AMR_NB) {
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/* We must find out how many AMR blocks there are in one packet */
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static uint16_t packed_size[16] =
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{13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
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int len = 0;
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while (len < size && samplesInChunk < 100) {
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len += packed_size[(pkt->data[len] >> 3) & 0x0F];
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samplesInChunk++;
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}
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if(samplesInChunk > 1){
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av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, inplement a AVParser for it\n");
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return -1;
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}
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} else if (trk->sampleSize)
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samplesInChunk = size/trk->sampleSize;
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else
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samplesInChunk = 1;
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/* copy extradata if it exists */
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if (trk->vosLen == 0 && enc->extradata_size > 0) {
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trk->vosLen = enc->extradata_size;
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trk->vosData = av_malloc(trk->vosLen);
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memcpy(trk->vosData, enc->extradata, trk->vosLen);
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}
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if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
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/* from x264 or from bytestream h264 */
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/* nal reformating needed */
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avc_parse_nal_units(&pkt->data, &pkt->size);
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assert(pkt->size);
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size = pkt->size;
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}
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if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
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trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
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if (!trk->cluster)
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return -1;
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}
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trk->cluster[trk->entry].pos = url_ftell(pb);
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trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
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trk->cluster[trk->entry].size = size;
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trk->cluster[trk->entry].entries = samplesInChunk;
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trk->cluster[trk->entry].dts = pkt->dts;
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trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
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if(enc->codec_type == CODEC_TYPE_VIDEO) {
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if (pkt->dts != pkt->pts)
|
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trk->hasBframes = 1;
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trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
|
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trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
|
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if(trk->cluster[trk->entry].key_frame)
|
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trk->hasKeyframes++;
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}
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trk->entry++;
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trk->sampleCount += samplesInChunk;
|
|
mov->mdat_size += size;
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|
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put_buffer(pb, pkt->data, size);
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|
|
put_flush_packet(pb);
|
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return 0;
|
|
}
|
|
|
|
static int mov_write_trailer(AVFormatContext *s)
|
|
{
|
|
MOVContext *mov = s->priv_data;
|
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ByteIOContext *pb = &s->pb;
|
|
int res = 0;
|
|
int i;
|
|
|
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offset_t moov_pos = url_ftell(pb);
|
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|
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/* Write size of mdat tag */
|
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if (mov->mdat_size+8 <= UINT32_MAX) {
|
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url_fseek(pb, mov->mdat_pos, SEEK_SET);
|
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put_be32(pb, mov->mdat_size+8);
|
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} else {
|
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/* overwrite 'wide' placeholder atom */
|
|
url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
|
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put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
|
|
put_tag(pb, "mdat");
|
|
put_be64(pb, mov->mdat_size+16);
|
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}
|
|
url_fseek(pb, moov_pos, SEEK_SET);
|
|
|
|
mov_write_moov_tag(pb, mov, s);
|
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|
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for (i=0; i<mov->nb_streams; i++) {
|
|
av_freep(&mov->tracks[i].cluster);
|
|
|
|
if( mov->tracks[i].vosLen ) av_free( mov->tracks[i].vosData );
|
|
|
|
}
|
|
|
|
put_flush_packet(pb);
|
|
|
|
return res;
|
|
}
|
|
|
|
#ifdef CONFIG_MOV_MUXER
|
|
AVOutputFormat mov_muxer = {
|
|
"mov",
|
|
"mov format",
|
|
NULL,
|
|
"mov",
|
|
sizeof(MOVContext),
|
|
CODEC_ID_AAC,
|
|
CODEC_ID_MPEG4,
|
|
mov_write_header,
|
|
mov_write_packet,
|
|
mov_write_trailer,
|
|
.flags = AVFMT_GLOBALHEADER,
|
|
};
|
|
#endif
|
|
#ifdef CONFIG_TGP_MUXER
|
|
AVOutputFormat tgp_muxer = {
|
|
"3gp",
|
|
"3gp format",
|
|
NULL,
|
|
"3gp",
|
|
sizeof(MOVContext),
|
|
CODEC_ID_AMR_NB,
|
|
CODEC_ID_H263,
|
|
mov_write_header,
|
|
mov_write_packet,
|
|
mov_write_trailer,
|
|
.flags = AVFMT_GLOBALHEADER,
|
|
};
|
|
#endif
|
|
#ifdef CONFIG_MP4_MUXER
|
|
AVOutputFormat mp4_muxer = {
|
|
"mp4",
|
|
"mp4 format",
|
|
"application/mp4",
|
|
"mp4,m4a",
|
|
sizeof(MOVContext),
|
|
CODEC_ID_AAC,
|
|
CODEC_ID_MPEG4,
|
|
mov_write_header,
|
|
mov_write_packet,
|
|
mov_write_trailer,
|
|
.flags = AVFMT_GLOBALHEADER,
|
|
};
|
|
#endif
|
|
#ifdef CONFIG_PSP_MUXER
|
|
AVOutputFormat psp_muxer = {
|
|
"psp",
|
|
"psp mp4 format",
|
|
NULL,
|
|
"mp4,psp",
|
|
sizeof(MOVContext),
|
|
CODEC_ID_AAC,
|
|
CODEC_ID_MPEG4,
|
|
mov_write_header,
|
|
mov_write_packet,
|
|
mov_write_trailer,
|
|
.flags = AVFMT_GLOBALHEADER,
|
|
};
|
|
#endif
|
|
#ifdef CONFIG_TG2_MUXER
|
|
AVOutputFormat tg2_muxer = {
|
|
"3g2",
|
|
"3gp2 format",
|
|
NULL,
|
|
"3g2",
|
|
sizeof(MOVContext),
|
|
CODEC_ID_AMR_NB,
|
|
CODEC_ID_H263,
|
|
mov_write_header,
|
|
mov_write_packet,
|
|
mov_write_trailer,
|
|
.flags = AVFMT_GLOBALHEADER,
|
|
};
|
|
#endif
|