ffmpeg / libavformat / movenc.c @ eea04021
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/*
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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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|
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avio_wb32(pb, 8); /* size */ |
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avio_wb32(pb, 0); /* null tag */ |
360 |
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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; |
370 |
} |
371 |
|
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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; |
382 |
case CODEC_ID_PCM_F32LE:
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case CODEC_ID_PCM_F64LE:
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return 9; |
385 |
case CODEC_ID_PCM_U8:
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return 10; |
387 |
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; |
391 |
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; |
396 |
default:
|
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return 0; |
398 |
} |
399 |
} |
400 |
|
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static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track) |
402 |
{ |
403 |
int64_t pos = url_ftell(pb); |
404 |
int version = 0; |
405 |
uint32_t tag = track->tag; |
406 |
|
407 |
if (track->mode == MODE_MOV) {
|
408 |
if (track->timescale > UINT16_MAX) {
|
409 |
if (mov_get_lpcm_flags(track->enc->codec_id))
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410 |
tag = AV_RL32("lpcm");
|
411 |
version = 2;
|
412 |
} else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) || |
413 |
track->enc->codec_id == CODEC_ID_ADPCM_MS || |
414 |
track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) { |
415 |
version = 1;
|
416 |
} |
417 |
} |
418 |
|
419 |
avio_wb32(pb, 0); /* size */ |
420 |
avio_wl32(pb, tag); // store it byteswapped
|
421 |
avio_wb32(pb, 0); /* Reserved */ |
422 |
avio_wb16(pb, 0); /* Reserved */ |
423 |
avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */ |
424 |
|
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/* SoundDescription */
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426 |
avio_wb16(pb, version); /* Version */
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avio_wb16(pb, 0); /* Revision level */ |
428 |
avio_wb32(pb, 0); /* Reserved */ |
429 |
|
430 |
if (version == 2) { |
431 |
avio_wb16(pb, 3);
|
432 |
avio_wb16(pb, 16);
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433 |
avio_wb16(pb, 0xfffe);
|
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avio_wb16(pb, 0);
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435 |
avio_wb32(pb, 0x00010000);
|
436 |
avio_wb32(pb, 72);
|
437 |
avio_wb64(pb, av_dbl2int(track->timescale)); |
438 |
avio_wb32(pb, track->enc->channels); |
439 |
avio_wb32(pb, 0x7F000000);
|
440 |
avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id)); |
441 |
avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id)); |
442 |
avio_wb32(pb, track->sampleSize); |
443 |
avio_wb32(pb, track->enc->frame_size); |
444 |
} else {
|
445 |
if (track->mode == MODE_MOV) {
|
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avio_wb16(pb, track->enc->channels); |
447 |
if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
|
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track->enc->codec_id == CODEC_ID_PCM_S8) |
449 |
avio_wb16(pb, 8); /* bits per sample */ |
450 |
else
|
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avio_wb16(pb, 16);
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avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */ |
453 |
} else { /* reserved for mp4/3gp */ |
454 |
avio_wb16(pb, 2);
|
455 |
avio_wb16(pb, 16);
|
456 |
avio_wb16(pb, 0);
|
457 |
} |
458 |
|
459 |
avio_wb16(pb, 0); /* packet size (= 0) */ |
460 |
avio_wb16(pb, track->timescale); /* Time scale */
|
461 |
avio_wb16(pb, 0); /* Reserved */ |
462 |
} |
463 |
|
464 |
if(version == 1) { /* SoundDescription V1 extended info */ |
465 |
avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
|
466 |
avio_wb32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
|
467 |
avio_wb32(pb, track->sampleSize); /* Bytes per frame */
|
468 |
avio_wb32(pb, 2); /* Bytes per sample */ |
469 |
} |
470 |
|
471 |
if(track->mode == MODE_MOV &&
|
472 |
(track->enc->codec_id == CODEC_ID_AAC || |
473 |
track->enc->codec_id == CODEC_ID_AC3 || |
474 |
track->enc->codec_id == CODEC_ID_AMR_NB || |
475 |
track->enc->codec_id == CODEC_ID_ALAC || |
476 |
track->enc->codec_id == CODEC_ID_ADPCM_MS || |
477 |
track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV || |
478 |
mov_pcm_le_gt16(track->enc->codec_id))) |
479 |
mov_write_wave_tag(pb, track); |
480 |
else if(track->tag == MKTAG('m','p','4','a')) |
481 |
mov_write_esds_tag(pb, track); |
482 |
else if(track->enc->codec_id == CODEC_ID_AMR_NB) |
483 |
mov_write_amr_tag(pb, track); |
484 |
else if(track->enc->codec_id == CODEC_ID_AC3) |
485 |
mov_write_ac3_tag(pb, track); |
486 |
else if(track->enc->codec_id == CODEC_ID_ALAC) |
487 |
mov_write_extradata_tag(pb, track); |
488 |
else if(track->vosLen > 0) |
489 |
mov_write_glbl_tag(pb, track); |
490 |
|
491 |
return updateSize(pb, pos);
|
492 |
} |
493 |
|
494 |
static int mov_write_d263_tag(AVIOContext *pb) |
495 |
{ |
496 |
avio_wb32(pb, 0xf); /* size */ |
497 |
ffio_wfourcc(pb, "d263");
|
498 |
ffio_wfourcc(pb, "FFMP");
|
499 |
avio_w8(pb, 0); /* decoder version */ |
500 |
/* FIXME use AVCodecContext level/profile, when encoder will set values */
|
501 |
avio_w8(pb, 0xa); /* level */ |
502 |
avio_w8(pb, 0); /* profile */ |
503 |
return 0xf; |
504 |
} |
505 |
|
506 |
/* TODO: No idea about these values */
|
507 |
static int mov_write_svq3_tag(AVIOContext *pb) |
508 |
{ |
509 |
avio_wb32(pb, 0x15);
|
510 |
ffio_wfourcc(pb, "SMI ");
|
511 |
ffio_wfourcc(pb, "SEQH");
|
512 |
avio_wb32(pb, 0x5);
|
513 |
avio_wb32(pb, 0xe2c0211d);
|
514 |
avio_wb32(pb, 0xc0000000);
|
515 |
avio_w8(pb, 0);
|
516 |
return 0x15; |
517 |
} |
518 |
|
519 |
static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track) |
520 |
{ |
521 |
int64_t pos = url_ftell(pb); |
522 |
|
523 |
avio_wb32(pb, 0);
|
524 |
ffio_wfourcc(pb, "avcC");
|
525 |
ff_isom_write_avcc(pb, track->vosData, track->vosLen); |
526 |
return updateSize(pb, pos);
|
527 |
} |
528 |
|
529 |
/* also used by all avid codecs (dv, imx, meridien) and their variants */
|
530 |
static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track) |
531 |
{ |
532 |
int i;
|
533 |
avio_wb32(pb, 24); /* size */ |
534 |
ffio_wfourcc(pb, "ACLR");
|
535 |
ffio_wfourcc(pb, "ACLR");
|
536 |
ffio_wfourcc(pb, "0001");
|
537 |
avio_wb32(pb, 1); /* yuv 1 / rgb 2 ? */ |
538 |
avio_wb32(pb, 0); /* unknown */ |
539 |
|
540 |
avio_wb32(pb, 24); /* size */ |
541 |
ffio_wfourcc(pb, "APRG");
|
542 |
ffio_wfourcc(pb, "APRG");
|
543 |
ffio_wfourcc(pb, "0001");
|
544 |
avio_wb32(pb, 1); /* unknown */ |
545 |
avio_wb32(pb, 0); /* unknown */ |
546 |
|
547 |
avio_wb32(pb, 120); /* size */ |
548 |
ffio_wfourcc(pb, "ARES");
|
549 |
ffio_wfourcc(pb, "ARES");
|
550 |
ffio_wfourcc(pb, "0001");
|
551 |
avio_wb32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */ |
552 |
avio_wb32(pb, track->enc->width); |
553 |
/* values below are based on samples created with quicktime and avid codecs */
|
554 |
if (track->vosData[5] & 2) { // interlaced |
555 |
avio_wb32(pb, track->enc->height/2);
|
556 |
avio_wb32(pb, 2); /* unknown */ |
557 |
avio_wb32(pb, 0); /* unknown */ |
558 |
avio_wb32(pb, 4); /* unknown */ |
559 |
} else {
|
560 |
avio_wb32(pb, track->enc->height); |
561 |
avio_wb32(pb, 1); /* unknown */ |
562 |
avio_wb32(pb, 0); /* unknown */ |
563 |
if (track->enc->height == 1080) |
564 |
avio_wb32(pb, 5); /* unknown */ |
565 |
else
|
566 |
avio_wb32(pb, 6); /* unknown */ |
567 |
} |
568 |
/* padding */
|
569 |
for (i = 0; i < 10; i++) |
570 |
avio_wb64(pb, 0);
|
571 |
|
572 |
/* extra padding for stsd needed */
|
573 |
avio_wb32(pb, 0);
|
574 |
return 0; |
575 |
} |
576 |
|
577 |
static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track) |
578 |
{ |
579 |
int tag = track->enc->codec_tag;
|
580 |
|
581 |
if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
|
582 |
return 0; |
583 |
|
584 |
if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1'); |
585 |
else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3'); |
586 |
else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c'); |
587 |
else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g'); |
588 |
else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v'); |
589 |
else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a'); |
590 |
|
591 |
return tag;
|
592 |
} |
593 |
|
594 |
static const AVCodecTag codec_ipod_tags[] = { |
595 |
{ CODEC_ID_H264, MKTAG('a','v','c','1') }, |
596 |
{ CODEC_ID_MPEG4, MKTAG('m','p','4','v') }, |
597 |
{ CODEC_ID_AAC, MKTAG('m','p','4','a') }, |
598 |
{ CODEC_ID_ALAC, MKTAG('a','l','a','c') }, |
599 |
{ CODEC_ID_AC3, MKTAG('a','c','-','3') }, |
600 |
{ CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') }, |
601 |
{ CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') }, |
602 |
{ CODEC_ID_NONE, 0 },
|
603 |
}; |
604 |
|
605 |
static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track) |
606 |
{ |
607 |
int tag = track->enc->codec_tag;
|
608 |
|
609 |
// keep original tag for subs, ipod supports both formats
|
610 |
if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
|
611 |
(tag == MKTAG('t','x','3','g') || |
612 |
tag == MKTAG('t','e','x','t')))) |
613 |
tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id); |
614 |
|
615 |
if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v")) |
616 |
av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
|
617 |
"Quicktime/Ipod might not play the file\n");
|
618 |
|
619 |
return tag;
|
620 |
} |
621 |
|
622 |
static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track) |
623 |
{ |
624 |
int tag;
|
625 |
|
626 |
if (track->enc->height == 480) /* NTSC */ |
627 |
if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n'); |
628 |
else tag = MKTAG('d','v','c',' '); |
629 |
else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p'); |
630 |
else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p'); |
631 |
else tag = MKTAG('d','v','p','p'); |
632 |
|
633 |
return tag;
|
634 |
} |
635 |
|
636 |
static const struct { |
637 |
enum PixelFormat pix_fmt;
|
638 |
uint32_t tag; |
639 |
unsigned bps;
|
640 |
} mov_pix_fmt_tags[] = { |
641 |
{ PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 }, |
642 |
{ PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 }, |
643 |
{ PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 }, |
644 |
{ PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 }, |
645 |
{ PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 }, |
646 |
{ PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 }, |
647 |
{ PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 }, |
648 |
{ PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 }, |
649 |
{ PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 }, |
650 |
{ PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 }, |
651 |
{ PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 }, |
652 |
{ PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 }, |
653 |
{ PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 }, |
654 |
{ PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 }, |
655 |
}; |
656 |
|
657 |
static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track) |
658 |
{ |
659 |
int tag = track->enc->codec_tag;
|
660 |
int i;
|
661 |
|
662 |
for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) { |
663 |
if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
|
664 |
tag = mov_pix_fmt_tags[i].tag; |
665 |
track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps; |
666 |
break;
|
667 |
} |
668 |
} |
669 |
|
670 |
return tag;
|
671 |
} |
672 |
|
673 |
static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track) |
674 |
{ |
675 |
int tag = track->enc->codec_tag;
|
676 |
|
677 |
if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
|
678 |
(track->enc->codec_id == CODEC_ID_DVVIDEO || |
679 |
track->enc->codec_id == CODEC_ID_RAWVIDEO || |
680 |
track->enc->codec_id == CODEC_ID_H263 || |
681 |
av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
|
682 |
if (track->enc->codec_id == CODEC_ID_DVVIDEO)
|
683 |
tag = mov_get_dv_codec_tag(s, track); |
684 |
else if (track->enc->codec_id == CODEC_ID_RAWVIDEO) |
685 |
tag = mov_get_rawvideo_codec_tag(s, track); |
686 |
else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) { |
687 |
tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id); |
688 |
if (!tag) { // if no mac fcc found, try with Microsoft tags |
689 |
tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id); |
690 |
if (tag)
|
691 |
av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
|
692 |
"the file may be unplayable!\n");
|
693 |
} |
694 |
} else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) { |
695 |
tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id); |
696 |
if (!tag) { // if no mac fcc found, try with Microsoft tags |
697 |
int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
|
698 |
if (ms_tag) {
|
699 |
tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff)); |
700 |
av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
|
701 |
"the file may be unplayable!\n");
|
702 |
} |
703 |
} |
704 |
} else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) |
705 |
tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id); |
706 |
} |
707 |
|
708 |
return tag;
|
709 |
} |
710 |
|
711 |
static const AVCodecTag codec_3gp_tags[] = { |
712 |
{ CODEC_ID_H263, MKTAG('s','2','6','3') }, |
713 |
{ CODEC_ID_H264, MKTAG('a','v','c','1') }, |
714 |
{ CODEC_ID_MPEG4, MKTAG('m','p','4','v') }, |
715 |
{ CODEC_ID_AAC, MKTAG('m','p','4','a') }, |
716 |
{ CODEC_ID_AMR_NB, MKTAG('s','a','m','r') }, |
717 |
{ CODEC_ID_AMR_WB, MKTAG('s','a','w','b') }, |
718 |
{ CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') }, |
719 |
{ CODEC_ID_NONE, 0 },
|
720 |
}; |
721 |
|
722 |
static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track) |
723 |
{ |
724 |
int tag = track->enc->codec_tag;
|
725 |
|
726 |
if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
|
727 |
tag = mp4_get_codec_tag(s, track); |
728 |
else if (track->mode == MODE_IPOD) |
729 |
tag = ipod_get_codec_tag(s, track); |
730 |
else if (track->mode & MODE_3GP) |
731 |
tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id); |
732 |
else
|
733 |
tag = mov_get_codec_tag(s, track); |
734 |
|
735 |
return tag;
|
736 |
} |
737 |
|
738 |
/** Write uuid atom.
|
739 |
* Needed to make file play in iPods running newest firmware
|
740 |
* goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
|
741 |
*/
|
742 |
static int mov_write_uuid_tag_ipod(AVIOContext *pb) |
743 |
{ |
744 |
avio_wb32(pb, 28);
|
745 |
ffio_wfourcc(pb, "uuid");
|
746 |
avio_wb32(pb, 0x6b6840f2);
|
747 |
avio_wb32(pb, 0x5f244fc5);
|
748 |
avio_wb32(pb, 0xba39a51b);
|
749 |
avio_wb32(pb, 0xcf0323f3);
|
750 |
avio_wb32(pb, 0x0);
|
751 |
return 28; |
752 |
} |
753 |
|
754 |
static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track) |
755 |
{ |
756 |
int64_t pos = url_ftell(pb); |
757 |
avio_wb32(pb, 0); /* size */ |
758 |
avio_wl32(pb, track->tag); // store it byteswapped
|
759 |
avio_wb32(pb, 0); /* Reserved */ |
760 |
avio_wb16(pb, 0); /* Reserved */ |
761 |
avio_wb16(pb, 1); /* Data-reference index */ |
762 |
|
763 |
if (track->enc->extradata_size)
|
764 |
avio_write(pb, track->enc->extradata, track->enc->extradata_size); |
765 |
|
766 |
return updateSize(pb, pos);
|
767 |
} |
768 |
|
769 |
static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track) |
770 |
{ |
771 |
AVRational sar; |
772 |
av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num, |
773 |
track->enc->sample_aspect_ratio.den, INT_MAX); |
774 |
|
775 |
avio_wb32(pb, 16);
|
776 |
ffio_wfourcc(pb, "pasp");
|
777 |
avio_wb32(pb, sar.num); |
778 |
avio_wb32(pb, sar.den); |
779 |
return 16; |
780 |
} |
781 |
|
782 |
static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track) |
783 |
{ |
784 |
int64_t pos = url_ftell(pb); |
785 |
char compressor_name[32]; |
786 |
|
787 |
avio_wb32(pb, 0); /* size */ |
788 |
avio_wl32(pb, track->tag); // store it byteswapped
|
789 |
avio_wb32(pb, 0); /* Reserved */ |
790 |
avio_wb16(pb, 0); /* Reserved */ |
791 |
avio_wb16(pb, 1); /* Data-reference index */ |
792 |
|
793 |
avio_wb16(pb, 0); /* Codec stream version */ |
794 |
avio_wb16(pb, 0); /* Codec stream revision (=0) */ |
795 |
if (track->mode == MODE_MOV) {
|
796 |
ffio_wfourcc(pb, "FFMP"); /* Vendor */ |
797 |
if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
|
798 |
avio_wb32(pb, 0); /* Temporal Quality */ |
799 |
avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/ |
800 |
} else {
|
801 |
avio_wb32(pb, 0x200); /* Temporal Quality = normal */ |
802 |
avio_wb32(pb, 0x200); /* Spatial Quality = normal */ |
803 |
} |
804 |
} else {
|
805 |
avio_wb32(pb, 0); /* Reserved */ |
806 |
avio_wb32(pb, 0); /* Reserved */ |
807 |
avio_wb32(pb, 0); /* Reserved */ |
808 |
} |
809 |
avio_wb16(pb, track->enc->width); /* Video width */
|
810 |
avio_wb16(pb, track->height); /* Video height */
|
811 |
avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */ |
812 |
avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */ |
813 |
avio_wb32(pb, 0); /* Data size (= 0) */ |
814 |
avio_wb16(pb, 1); /* Frame count (= 1) */ |
815 |
|
816 |
memset(compressor_name,0,32); |
817 |
/* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
|
818 |
if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
|
819 |
strncpy(compressor_name,track->enc->codec->name,31);
|
820 |
avio_w8(pb, strlen(compressor_name)); |
821 |
avio_write(pb, compressor_name, 31);
|
822 |
|
823 |
if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
|
824 |
avio_wb16(pb, track->enc->bits_per_coded_sample); |
825 |
else
|
826 |
avio_wb16(pb, 0x18); /* Reserved */ |
827 |
avio_wb16(pb, 0xffff); /* Reserved */ |
828 |
if(track->tag == MKTAG('m','p','4','v')) |
829 |
mov_write_esds_tag(pb, track); |
830 |
else if(track->enc->codec_id == CODEC_ID_H263) |
831 |
mov_write_d263_tag(pb); |
832 |
else if(track->enc->codec_id == CODEC_ID_SVQ3) |
833 |
mov_write_svq3_tag(pb); |
834 |
else if(track->enc->codec_id == CODEC_ID_DNXHD) |
835 |
mov_write_avid_tag(pb, track); |
836 |
else if(track->enc->codec_id == CODEC_ID_H264) { |
837 |
mov_write_avcc_tag(pb, track); |
838 |
if(track->mode == MODE_IPOD)
|
839 |
mov_write_uuid_tag_ipod(pb); |
840 |
} else if(track->vosLen > 0) |
841 |
mov_write_glbl_tag(pb, track); |
842 |
|
843 |
if (track->mode == MODE_MOV &&
|
844 |
track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num && |
845 |
track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) { |
846 |
mov_write_pasp_tag(pb, track); |
847 |
} |
848 |
|
849 |
return updateSize(pb, pos);
|
850 |
} |
851 |
|
852 |
static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track) |
853 |
{ |
854 |
int64_t pos = url_ftell(pb); |
855 |
avio_wb32(pb, 0); /* size */ |
856 |
ffio_wfourcc(pb, "rtp ");
|
857 |
avio_wb32(pb, 0); /* Reserved */ |
858 |
avio_wb16(pb, 0); /* Reserved */ |
859 |
avio_wb16(pb, 1); /* Data-reference index */ |
860 |
|
861 |
avio_wb16(pb, 1); /* Hint track version */ |
862 |
avio_wb16(pb, 1); /* Highest compatible version */ |
863 |
avio_wb32(pb, track->max_packet_size); /* Max packet size */
|
864 |
|
865 |
avio_wb32(pb, 12); /* size */ |
866 |
ffio_wfourcc(pb, "tims");
|
867 |
avio_wb32(pb, track->timescale); |
868 |
|
869 |
return updateSize(pb, pos);
|
870 |
} |
871 |
|
872 |
static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track) |
873 |
{ |
874 |
int64_t pos = url_ftell(pb); |
875 |
avio_wb32(pb, 0); /* size */ |
876 |
ffio_wfourcc(pb, "stsd");
|
877 |
avio_wb32(pb, 0); /* version & flags */ |
878 |
avio_wb32(pb, 1); /* entry count */ |
879 |
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
|
880 |
mov_write_video_tag(pb, track); |
881 |
else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) |
882 |
mov_write_audio_tag(pb, track); |
883 |
else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) |
884 |
mov_write_subtitle_tag(pb, track); |
885 |
else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) |
886 |
mov_write_rtp_tag(pb, track); |
887 |
return updateSize(pb, pos);
|
888 |
} |
889 |
|
890 |
static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track) |
891 |
{ |
892 |
MOVStts *ctts_entries; |
893 |
uint32_t entries = 0;
|
894 |
uint32_t atom_size; |
895 |
int i;
|
896 |
|
897 |
ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */ |
898 |
ctts_entries[0].count = 1; |
899 |
ctts_entries[0].duration = track->cluster[0].cts; |
900 |
for (i=1; i<track->entry; i++) { |
901 |
if (track->cluster[i].cts == ctts_entries[entries].duration) {
|
902 |
ctts_entries[entries].count++; /* compress */
|
903 |
} else {
|
904 |
entries++; |
905 |
ctts_entries[entries].duration = track->cluster[i].cts; |
906 |
ctts_entries[entries].count = 1;
|
907 |
} |
908 |
} |
909 |
entries++; /* last one */
|
910 |
atom_size = 16 + (entries * 8); |
911 |
avio_wb32(pb, atom_size); /* size */
|
912 |
ffio_wfourcc(pb, "ctts");
|
913 |
avio_wb32(pb, 0); /* version & flags */ |
914 |
avio_wb32(pb, entries); /* entry count */
|
915 |
for (i=0; i<entries; i++) { |
916 |
avio_wb32(pb, ctts_entries[i].count); |
917 |
avio_wb32(pb, ctts_entries[i].duration); |
918 |
} |
919 |
av_free(ctts_entries); |
920 |
return atom_size;
|
921 |
} |
922 |
|
923 |
/* Time to sample atom */
|
924 |
static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track) |
925 |
{ |
926 |
MOVStts *stts_entries; |
927 |
uint32_t entries = -1;
|
928 |
uint32_t atom_size; |
929 |
int i;
|
930 |
|
931 |
if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
|
932 |
stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */ |
933 |
stts_entries[0].count = track->sampleCount;
|
934 |
stts_entries[0].duration = 1; |
935 |
entries = 1;
|
936 |
} else {
|
937 |
stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */ |
938 |
for (i=0; i<track->entry; i++) { |
939 |
int64_t duration = i + 1 == track->entry ?
|
940 |
track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */ |
941 |
track->cluster[i+1].dts - track->cluster[i].dts;
|
942 |
if (i && duration == stts_entries[entries].duration) {
|
943 |
stts_entries[entries].count++; /* compress */
|
944 |
} else {
|
945 |
entries++; |
946 |
stts_entries[entries].duration = duration; |
947 |
stts_entries[entries].count = 1;
|
948 |
} |
949 |
} |
950 |
entries++; /* last one */
|
951 |
} |
952 |
atom_size = 16 + (entries * 8); |
953 |
avio_wb32(pb, atom_size); /* size */
|
954 |
ffio_wfourcc(pb, "stts");
|
955 |
avio_wb32(pb, 0); /* version & flags */ |
956 |
avio_wb32(pb, entries); /* entry count */
|
957 |
for (i=0; i<entries; i++) { |
958 |
avio_wb32(pb, stts_entries[i].count); |
959 |
avio_wb32(pb, stts_entries[i].duration); |
960 |
} |
961 |
av_free(stts_entries); |
962 |
return atom_size;
|
963 |
} |
964 |
|
965 |
static int mov_write_dref_tag(AVIOContext *pb) |
966 |
{ |
967 |
avio_wb32(pb, 28); /* size */ |
968 |
ffio_wfourcc(pb, "dref");
|
969 |
avio_wb32(pb, 0); /* version & flags */ |
970 |
avio_wb32(pb, 1); /* entry count */ |
971 |
|
972 |
avio_wb32(pb, 0xc); /* size */ |
973 |
ffio_wfourcc(pb, "url ");
|
974 |
avio_wb32(pb, 1); /* version & flags */ |
975 |
|
976 |
return 28; |
977 |
} |
978 |
|
979 |
static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track) |
980 |
{ |
981 |
int64_t pos = url_ftell(pb); |
982 |
avio_wb32(pb, 0); /* size */ |
983 |
ffio_wfourcc(pb, "stbl");
|
984 |
mov_write_stsd_tag(pb, track); |
985 |
mov_write_stts_tag(pb, track); |
986 |
if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
|
987 |
track->enc->codec_tag == MKTAG('r','t','p',' ')) && |
988 |
track->hasKeyframes && track->hasKeyframes < track->entry) |
989 |
mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE); |
990 |
if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
|
991 |
mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE); |
992 |
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
|
993 |
track->flags & MOV_TRACK_CTTS) |
994 |
mov_write_ctts_tag(pb, track); |
995 |
mov_write_stsc_tag(pb, track); |
996 |
mov_write_stsz_tag(pb, track); |
997 |
mov_write_stco_tag(pb, track); |
998 |
return updateSize(pb, pos);
|
999 |
} |
1000 |
|
1001 |
static int mov_write_dinf_tag(AVIOContext *pb) |
1002 |
{ |
1003 |
int64_t pos = url_ftell(pb); |
1004 |
avio_wb32(pb, 0); /* size */ |
1005 |
ffio_wfourcc(pb, "dinf");
|
1006 |
mov_write_dref_tag(pb); |
1007 |
return updateSize(pb, pos);
|
1008 |
} |
1009 |
|
1010 |
static int mov_write_nmhd_tag(AVIOContext *pb) |
1011 |
{ |
1012 |
avio_wb32(pb, 12);
|
1013 |
ffio_wfourcc(pb, "nmhd");
|
1014 |
avio_wb32(pb, 0);
|
1015 |
return 12; |
1016 |
} |
1017 |
|
1018 |
static int mov_write_gmhd_tag(AVIOContext *pb) |
1019 |
{ |
1020 |
avio_wb32(pb, 0x20); /* size */ |
1021 |
ffio_wfourcc(pb, "gmhd");
|
1022 |
avio_wb32(pb, 0x18); /* gmin size */ |
1023 |
ffio_wfourcc(pb, "gmin");/* generic media info */ |
1024 |
avio_wb32(pb, 0); /* version & flags */ |
1025 |
avio_wb16(pb, 0x40); /* graphics mode = */ |
1026 |
avio_wb16(pb, 0x8000); /* opColor (r?) */ |
1027 |
avio_wb16(pb, 0x8000); /* opColor (g?) */ |
1028 |
avio_wb16(pb, 0x8000); /* opColor (b?) */ |
1029 |
avio_wb16(pb, 0); /* balance */ |
1030 |
avio_wb16(pb, 0); /* reserved */ |
1031 |
return 0x20; |
1032 |
} |
1033 |
|
1034 |
static int mov_write_smhd_tag(AVIOContext *pb) |
1035 |
{ |
1036 |
avio_wb32(pb, 16); /* size */ |
1037 |
ffio_wfourcc(pb, "smhd");
|
1038 |
avio_wb32(pb, 0); /* version & flags */ |
1039 |
avio_wb16(pb, 0); /* reserved (balance, normally = 0) */ |
1040 |
avio_wb16(pb, 0); /* reserved */ |
1041 |
return 16; |
1042 |
} |
1043 |
|
1044 |
static int mov_write_vmhd_tag(AVIOContext *pb) |
1045 |
{ |
1046 |
avio_wb32(pb, 0x14); /* size (always 0x14) */ |
1047 |
ffio_wfourcc(pb, "vmhd");
|
1048 |
avio_wb32(pb, 0x01); /* version & flags */ |
1049 |
avio_wb64(pb, 0); /* reserved (graphics mode = copy) */ |
1050 |
return 0x14; |
1051 |
} |
1052 |
|
1053 |
static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track) |
1054 |
{ |
1055 |
const char *hdlr, *descr = NULL, *hdlr_type = NULL; |
1056 |
int64_t pos = url_ftell(pb); |
1057 |
|
1058 |
if (!track) { /* no media --> data handler */ |
1059 |
hdlr = "dhlr";
|
1060 |
hdlr_type = "url ";
|
1061 |
descr = "DataHandler";
|
1062 |
} else {
|
1063 |
hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0"; |
1064 |
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
|
1065 |
hdlr_type = "vide";
|
1066 |
descr = "VideoHandler";
|
1067 |
} else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) { |
1068 |
hdlr_type = "soun";
|
1069 |
descr = "SoundHandler";
|
1070 |
} else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) { |
1071 |
if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl"; |
1072 |
else hdlr_type = "text"; |
1073 |
descr = "SubtitleHandler";
|
1074 |
} else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) { |
1075 |
hdlr_type = "hint";
|
1076 |
descr = "HintHandler";
|
1077 |
} |
1078 |
} |
1079 |
|
1080 |
avio_wb32(pb, 0); /* size */ |
1081 |
ffio_wfourcc(pb, "hdlr");
|
1082 |
avio_wb32(pb, 0); /* Version & flags */ |
1083 |
avio_write(pb, hdlr, 4); /* handler */ |
1084 |
ffio_wfourcc(pb, hdlr_type); /* handler type */
|
1085 |
avio_wb32(pb ,0); /* reserved */ |
1086 |
avio_wb32(pb ,0); /* reserved */ |
1087 |
avio_wb32(pb ,0); /* reserved */ |
1088 |
if (!track || track->mode == MODE_MOV)
|
1089 |
avio_w8(pb, strlen(descr)); /* pascal string */
|
1090 |
avio_write(pb, descr, strlen(descr)); /* handler description */
|
1091 |
if (track && track->mode != MODE_MOV)
|
1092 |
avio_w8(pb, 0); /* c string */ |
1093 |
return updateSize(pb, pos);
|
1094 |
} |
1095 |
|
1096 |
static int mov_write_hmhd_tag(AVIOContext *pb) |
1097 |
{ |
1098 |
/* This atom must be present, but leaving the values at zero
|
1099 |
* seems harmless. */
|
1100 |
avio_wb32(pb, 28); /* size */ |
1101 |
ffio_wfourcc(pb, "hmhd");
|
1102 |
avio_wb32(pb, 0); /* version, flags */ |
1103 |
avio_wb16(pb, 0); /* maxPDUsize */ |
1104 |
avio_wb16(pb, 0); /* avgPDUsize */ |
1105 |
avio_wb32(pb, 0); /* maxbitrate */ |
1106 |
avio_wb32(pb, 0); /* avgbitrate */ |
1107 |
avio_wb32(pb, 0); /* reserved */ |
1108 |
return 28; |
1109 |
} |
1110 |
|
1111 |
static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track) |
1112 |
{ |
1113 |
int64_t pos = url_ftell(pb); |
1114 |
avio_wb32(pb, 0); /* size */ |
1115 |
ffio_wfourcc(pb, "minf");
|
1116 |
if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
|
1117 |
mov_write_vmhd_tag(pb); |
1118 |
else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) |
1119 |
mov_write_smhd_tag(pb); |
1120 |
else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) { |
1121 |
if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb); |
1122 |
else mov_write_nmhd_tag(pb);
|
1123 |
} else if (track->tag == MKTAG('r','t','p',' ')) { |
1124 |
mov_write_hmhd_tag(pb); |
1125 |
} |
1126 |
if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */ |
1127 |
mov_write_hdlr_tag(pb, NULL);
|
1128 |
mov_write_dinf_tag(pb); |
1129 |
mov_write_stbl_tag(pb, track); |
1130 |
return updateSize(pb, pos);
|
1131 |
} |
1132 |
|
1133 |
static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track) |
1134 |
{ |
1135 |
int version = track->trackDuration < INT32_MAX ? 0 : 1; |
1136 |
|
1137 |
(version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */ |
1138 |
ffio_wfourcc(pb, "mdhd");
|
1139 |
avio_w8(pb, version); |
1140 |
avio_wb24(pb, 0); /* flags */ |
1141 |
if (version == 1) { |
1142 |
avio_wb64(pb, track->time); |
1143 |
avio_wb64(pb, track->time); |
1144 |
} else {
|
1145 |
avio_wb32(pb, track->time); /* creation time */
|
1146 |
avio_wb32(pb, track->time); /* modification time */
|
1147 |
} |
1148 |
avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
|
1149 |
(version == 1) ? avio_wb64(pb, track->trackDuration) : avio_wb32(pb, track->trackDuration); /* duration */ |
1150 |
avio_wb16(pb, track->language); /* language */
|
1151 |
avio_wb16(pb, 0); /* reserved (quality) */ |
1152 |
|
1153 |
if(version!=0 && track->mode == MODE_MOV){ |
1154 |
av_log(NULL, AV_LOG_ERROR,
|
1155 |
"FATAL error, file duration too long for timebase, this file will not be\n"
|
1156 |
"playable with quicktime. Choose a different timebase or a different\n"
|
1157 |
"container format\n");
|
1158 |
} |
1159 |
|
1160 |
return 32; |
1161 |
} |
1162 |
|
1163 |
static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track) |
1164 |
{ |
1165 |
int64_t pos = url_ftell(pb); |
1166 |
avio_wb32(pb, 0); /* size */ |
1167 |
ffio_wfourcc(pb, "mdia");
|
1168 |
mov_write_mdhd_tag(pb, track); |
1169 |
mov_write_hdlr_tag(pb, track); |
1170 |
mov_write_minf_tag(pb, track); |
1171 |
return updateSize(pb, pos);
|
1172 |
} |
1173 |
|
1174 |
static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st) |
1175 |
{ |
1176 |
int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE, |
1177 |
track->timescale, AV_ROUND_UP); |
1178 |
int version = duration < INT32_MAX ? 0 : 1; |
1179 |
|
1180 |
(version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */ |
1181 |
ffio_wfourcc(pb, "tkhd");
|
1182 |
avio_w8(pb, version); |
1183 |
avio_wb24(pb, 0xf); /* flags (track enabled) */ |
1184 |
if (version == 1) { |
1185 |
avio_wb64(pb, track->time); |
1186 |
avio_wb64(pb, track->time); |
1187 |
} else {
|
1188 |
avio_wb32(pb, track->time); /* creation time */
|
1189 |
avio_wb32(pb, track->time); /* modification time */
|
1190 |
} |
1191 |
avio_wb32(pb, track->trackID); /* track-id */
|
1192 |
avio_wb32(pb, 0); /* reserved */ |
1193 |
(version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
|
1194 |
|
1195 |
avio_wb32(pb, 0); /* reserved */ |
1196 |
avio_wb32(pb, 0); /* reserved */ |
1197 |
avio_wb32(pb, 0x0); /* reserved (Layer & Alternate group) */ |
1198 |
/* Volume, only for audio */
|
1199 |
if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
|
1200 |
avio_wb16(pb, 0x0100);
|
1201 |
else
|
1202 |
avio_wb16(pb, 0);
|
1203 |
avio_wb16(pb, 0); /* reserved */ |
1204 |
|
1205 |
/* Matrix structure */
|
1206 |
avio_wb32(pb, 0x00010000); /* reserved */ |
1207 |
avio_wb32(pb, 0x0); /* reserved */ |
1208 |
avio_wb32(pb, 0x0); /* reserved */ |
1209 |
avio_wb32(pb, 0x0); /* reserved */ |
1210 |
avio_wb32(pb, 0x00010000); /* reserved */ |
1211 |
avio_wb32(pb, 0x0); /* reserved */ |
1212 |
avio_wb32(pb, 0x0); /* reserved */ |
1213 |
avio_wb32(pb, 0x0); /* reserved */ |
1214 |
avio_wb32(pb, 0x40000000); /* reserved */ |
1215 |
|
1216 |
/* Track width and height, for visual only */
|
1217 |
if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
|
1218 |
track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) { |
1219 |
if(track->mode == MODE_MOV) {
|
1220 |
avio_wb32(pb, track->enc->width << 16);
|
1221 |
avio_wb32(pb, track->enc->height << 16);
|
1222 |
} else {
|
1223 |
double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
|
1224 |
if(!sample_aspect_ratio || track->height != track->enc->height)
|
1225 |
sample_aspect_ratio = 1;
|
1226 |
avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
|
1227 |
avio_wb32(pb, track->height*0x10000);
|
1228 |
} |
1229 |
} |
1230 |
else {
|
1231 |
avio_wb32(pb, 0);
|
1232 |
avio_wb32(pb, 0);
|
1233 |
} |
1234 |
return 0x5c; |
1235 |
} |
1236 |
|
1237 |
static int mov_write_tapt_tag(ByteIOContext *pb, MOVTrack *track) |
1238 |
{ |
1239 |
int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width, |
1240 |
track->enc->sample_aspect_ratio.den); |
1241 |
|
1242 |
int64_t pos = url_ftell(pb); |
1243 |
|
1244 |
avio_wb32(pb, 0); /* size */ |
1245 |
put_tag(pb, "tapt");
|
1246 |
|
1247 |
avio_wb32(pb, 20);
|
1248 |
put_tag(pb, "clef");
|
1249 |
avio_wb32(pb, 0);
|
1250 |
avio_wb32(pb, width << 16);
|
1251 |
avio_wb32(pb, track->enc->height << 16);
|
1252 |
|
1253 |
avio_wb32(pb, 20);
|
1254 |
put_tag(pb, "enof");
|
1255 |
avio_wb32(pb, 0);
|
1256 |
avio_wb32(pb, track->enc->width << 16);
|
1257 |
avio_wb32(pb, track->enc->height << 16);
|
1258 |
|
1259 |
return updateSize(pb, pos);
|
1260 |
}; |
1261 |
|
1262 |
// This box seems important for the psp playback ... without it the movie seems to hang
|
1263 |
static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track) |
1264 |
{ |
1265 |
avio_wb32(pb, 0x24); /* size */ |
1266 |
ffio_wfourcc(pb, "edts");
|
1267 |
avio_wb32(pb, 0x1c); /* size */ |
1268 |
ffio_wfourcc(pb, "elst");
|
1269 |
avio_wb32(pb, 0x0);
|
1270 |
avio_wb32(pb, 0x1);
|
1271 |
|
1272 |
/* duration ... doesn't seem to effect psp */
|
1273 |
avio_wb32(pb, av_rescale_rnd(track->trackDuration, MOV_TIMESCALE, |
1274 |
track->timescale, AV_ROUND_UP)); |
1275 |
|
1276 |
avio_wb32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */ |
1277 |
avio_wb32(pb, 0x00010000);
|
1278 |
return 0x24; |
1279 |
} |
1280 |
|
1281 |
static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track) |
1282 |
{ |
1283 |
avio_wb32(pb, 20); // size |
1284 |
ffio_wfourcc(pb, "tref");
|
1285 |
avio_wb32(pb, 12); // size (subatom) |
1286 |
avio_wl32(pb, track->tref_tag); |
1287 |
avio_wb32(pb, track->tref_id); |
1288 |
return 20; |
1289 |
} |
1290 |
|
1291 |
// goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
|
1292 |
static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov) |
1293 |
{ |
1294 |
avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */ |
1295 |
ffio_wfourcc(pb, "uuid");
|
1296 |
ffio_wfourcc(pb, "USMT");
|
1297 |
avio_wb32(pb, 0x21d24fce);
|
1298 |
avio_wb32(pb, 0xbb88695c);
|
1299 |
avio_wb32(pb, 0xfac9c740);
|
1300 |
avio_wb32(pb, 0x1c); // another size here! |
1301 |
ffio_wfourcc(pb, "MTDT");
|
1302 |
avio_wb32(pb, 0x00010012);
|
1303 |
avio_wb32(pb, 0x0a);
|
1304 |
avio_wb32(pb, 0x55c40000);
|
1305 |
avio_wb32(pb, 0x1);
|
1306 |
avio_wb32(pb, 0x0);
|
1307 |
return 0x34; |
1308 |
} |
1309 |
|
1310 |
static int mov_write_udta_sdp(AVIOContext *pb, AVCodecContext *ctx, int index) |
1311 |
{ |
1312 |
char buf[1000] = ""; |
1313 |
int len;
|
1314 |
|
1315 |
ff_sdp_write_media(buf, sizeof(buf), ctx, NULL, NULL, 0, 0); |
1316 |
av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index); |
1317 |
len = strlen(buf); |
1318 |
|
1319 |
avio_wb32(pb, len + 24);
|
1320 |
ffio_wfourcc(pb, "udta");
|
1321 |
avio_wb32(pb, len + 16);
|
1322 |
ffio_wfourcc(pb, "hnti");
|
1323 |
avio_wb32(pb, len + 8);
|
1324 |
ffio_wfourcc(pb, "sdp ");
|
1325 |
avio_write(pb, buf, len); |
1326 |
return len + 24; |
1327 |
} |
1328 |
|
1329 |
static int mov_write_trak_tag(AVIOContext *pb, MOVTrack *track, AVStream *st) |
1330 |
{ |
1331 |
int64_t pos = url_ftell(pb); |
1332 |
avio_wb32(pb, 0); /* size */ |
1333 |
ffio_wfourcc(pb, "trak");
|
1334 |
mov_write_tkhd_tag(pb, track, st); |
1335 |
if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS)
|
1336 |
mov_write_edts_tag(pb, track); // PSP Movies require edts box
|
1337 |
if (track->tref_tag)
|
1338 |
mov_write_tref_tag(pb, track); |
1339 |
mov_write_mdia_tag(pb, track); |
1340 |
if (track->mode == MODE_PSP)
|
1341 |
mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
|
1342 |
if (track->tag == MKTAG('r','t','p',' ')) |
1343 |
mov_write_udta_sdp(pb, track->rtp_ctx->streams[0]->codec, track->trackID);
|
1344 |
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
|
1345 |
double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
|
1346 |
if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio) |
1347 |
mov_write_tapt_tag(pb, track); |
1348 |
}; |
1349 |
return updateSize(pb, pos);
|
1350 |
} |
1351 |
|
1352 |
#if 0
|
1353 |
/* TODO: Not sorted out, but not necessary either */
|
1354 |
static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
|
1355 |
{
|
1356 |
avio_wb32(pb, 0x15); /* size */
|
1357 |
ffio_wfourcc(pb, "iods");
|
1358 |
avio_wb32(pb, 0); /* version & flags */
|
1359 |
avio_wb16(pb, 0x1007);
|
1360 |
avio_w8(pb, 0);
|
1361 |
avio_wb16(pb, 0x4fff);
|
1362 |
avio_wb16(pb, 0xfffe);
|
1363 |
avio_wb16(pb, 0x01ff);
|
1364 |
return 0x15;
|
1365 |
}
|
1366 |
#endif
|
1367 |
|
1368 |
static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov) |
1369 |
{ |
1370 |
int maxTrackID = 1, i; |
1371 |
int64_t maxTrackLenTemp, maxTrackLen = 0;
|
1372 |
int version;
|
1373 |
|
1374 |
for (i=0; i<mov->nb_streams; i++) { |
1375 |
if(mov->tracks[i].entry > 0) { |
1376 |
maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, |
1377 |
MOV_TIMESCALE, |
1378 |
mov->tracks[i].timescale, |
1379 |
AV_ROUND_UP); |
1380 |
if(maxTrackLen < maxTrackLenTemp)
|
1381 |
maxTrackLen = maxTrackLenTemp; |
1382 |
if(maxTrackID < mov->tracks[i].trackID)
|
1383 |
maxTrackID = mov->tracks[i].trackID; |
1384 |
} |
1385 |
} |
1386 |
|
1387 |
version = maxTrackLen < UINT32_MAX ? 0 : 1; |
1388 |
(version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */ |
1389 |
ffio_wfourcc(pb, "mvhd");
|
1390 |
avio_w8(pb, version); |
1391 |
avio_wb24(pb, 0); /* flags */ |
1392 |
if (version == 1) { |
1393 |
avio_wb64(pb, mov->time); |
1394 |
avio_wb64(pb, mov->time); |
1395 |
} else {
|
1396 |
avio_wb32(pb, mov->time); /* creation time */
|
1397 |
avio_wb32(pb, mov->time); /* modification time */
|
1398 |
} |
1399 |
avio_wb32(pb, MOV_TIMESCALE); |
1400 |
(version == 1) ? avio_wb64(pb, maxTrackLen) : avio_wb32(pb, maxTrackLen); /* duration of longest track */ |
1401 |
|
1402 |
avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */ |
1403 |
avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */ |
1404 |
avio_wb16(pb, 0); /* reserved */ |
1405 |
avio_wb32(pb, 0); /* reserved */ |
1406 |
avio_wb32(pb, 0); /* reserved */ |
1407 |
|
1408 |
/* Matrix structure */
|
1409 |
avio_wb32(pb, 0x00010000); /* reserved */ |
1410 |
avio_wb32(pb, 0x0); /* reserved */ |
1411 |
avio_wb32(pb, 0x0); /* reserved */ |
1412 |
avio_wb32(pb, 0x0); /* reserved */ |
1413 |
avio_wb32(pb, 0x00010000); /* reserved */ |
1414 |
avio_wb32(pb, 0x0); /* reserved */ |
1415 |
avio_wb32(pb, 0x0); /* reserved */ |
1416 |
avio_wb32(pb, 0x0); /* reserved */ |
1417 |
avio_wb32(pb, 0x40000000); /* reserved */ |
1418 |
|
1419 |
avio_wb32(pb, 0); /* reserved (preview time) */ |
1420 |
avio_wb32(pb, 0); /* reserved (preview duration) */ |
1421 |
avio_wb32(pb, 0); /* reserved (poster time) */ |
1422 |
avio_wb32(pb, 0); /* reserved (selection time) */ |
1423 |
avio_wb32(pb, 0); /* reserved (selection duration) */ |
1424 |
avio_wb32(pb, 0); /* reserved (current time) */ |
1425 |
avio_wb32(pb, maxTrackID+1); /* Next track id */ |
1426 |
return 0x6c; |
1427 |
} |
1428 |
|
1429 |
static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov, |
1430 |
AVFormatContext *s) |
1431 |
{ |
1432 |
avio_wb32(pb, 33); /* size */ |
1433 |
ffio_wfourcc(pb, "hdlr");
|
1434 |
avio_wb32(pb, 0);
|
1435 |
avio_wb32(pb, 0);
|
1436 |
ffio_wfourcc(pb, "mdir");
|
1437 |
ffio_wfourcc(pb, "appl");
|
1438 |
avio_wb32(pb, 0);
|
1439 |
avio_wb32(pb, 0);
|
1440 |
avio_w8(pb, 0);
|
1441 |
return 33; |
1442 |
} |
1443 |
|
1444 |
/* helper function to write a data tag with the specified string as data */
|
1445 |
static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style) |
1446 |
{ |
1447 |
if(long_style){
|
1448 |
int size = 16 + strlen(data); |
1449 |
avio_wb32(pb, size); /* size */
|
1450 |
ffio_wfourcc(pb, "data");
|
1451 |
avio_wb32(pb, 1);
|
1452 |
avio_wb32(pb, 0);
|
1453 |
avio_write(pb, data, strlen(data)); |
1454 |
return size;
|
1455 |
}else{
|
1456 |
if (!lang)
|
1457 |
lang = ff_mov_iso639_to_lang("und", 1); |
1458 |
avio_wb16(pb, strlen(data)); /* string length */
|
1459 |
avio_wb16(pb, lang); |
1460 |
avio_write(pb, data, strlen(data)); |
1461 |
return strlen(data) + 4; |
1462 |
} |
1463 |
} |
1464 |
|
1465 |
static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){ |
1466 |
int size = 0; |
1467 |
if (value && value[0]) { |
1468 |
int64_t pos = url_ftell(pb); |
1469 |
avio_wb32(pb, 0); /* size */ |
1470 |
ffio_wfourcc(pb, name); |
1471 |
mov_write_string_data_tag(pb, value, lang, long_style); |
1472 |
size= updateSize(pb, pos); |
1473 |
} |
1474 |
return size;
|
1475 |
} |
1476 |
|
1477 |
static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb, |
1478 |
const char *name, const char *tag, |
1479 |
int long_style)
|
1480 |
{ |
1481 |
int l, lang = 0, len, len2; |
1482 |
AVMetadataTag *t, *t2 = NULL;
|
1483 |
char tag2[16]; |
1484 |
|
1485 |
if (!(t = av_metadata_get(s->metadata, tag, NULL, 0))) |
1486 |
return 0; |
1487 |
|
1488 |
len = strlen(t->key); |
1489 |
snprintf(tag2, sizeof(tag2), "%s-", tag); |
1490 |
while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) {
|
1491 |
len2 = strlen(t2->key); |
1492 |
if (len2 == len+4 && !strcmp(t->value, t2->value) |
1493 |
&& (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) { |
1494 |
lang = l; |
1495 |
break;
|
1496 |
} |
1497 |
} |
1498 |
return mov_write_string_tag(pb, name, t->value, lang, long_style);
|
1499 |
} |
1500 |
|
1501 |
/* iTunes track number */
|
1502 |
static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov, |
1503 |
AVFormatContext *s) |
1504 |
{ |
1505 |
AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0); |
1506 |
int size = 0, track = t ? atoi(t->value) : 0; |
1507 |
if (track) {
|
1508 |
avio_wb32(pb, 32); /* size */ |
1509 |
ffio_wfourcc(pb, "trkn");
|
1510 |
avio_wb32(pb, 24); /* size */ |
1511 |
ffio_wfourcc(pb, "data");
|
1512 |
avio_wb32(pb, 0); // 8 bytes empty |
1513 |
avio_wb32(pb, 0);
|
1514 |
avio_wb16(pb, 0); // empty |
1515 |
avio_wb16(pb, track); // track number
|
1516 |
avio_wb16(pb, 0); // total track number |
1517 |
avio_wb16(pb, 0); // empty |
1518 |
size = 32;
|
1519 |
} |
1520 |
return size;
|
1521 |
} |
1522 |
|
1523 |
/* iTunes meta data list */
|
1524 |
static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov, |
1525 |
AVFormatContext *s) |
1526 |
{ |
1527 |
int64_t pos = url_ftell(pb); |
1528 |
avio_wb32(pb, 0); /* size */ |
1529 |
ffio_wfourcc(pb, "ilst");
|
1530 |
mov_write_string_metadata(s, pb, "\251nam", "title" , 1); |
1531 |
mov_write_string_metadata(s, pb, "\251ART", "artist" , 1); |
1532 |
mov_write_string_metadata(s, pb, "aART", "album_artist", 1); |
1533 |
mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1); |
1534 |
mov_write_string_metadata(s, pb, "\251alb", "album" , 1); |
1535 |
mov_write_string_metadata(s, pb, "\251day", "date" , 1); |
1536 |
mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1); |
1537 |
mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1); |
1538 |
mov_write_string_metadata(s, pb, "\251gen", "genre" , 1); |
1539 |
mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1); |
1540 |
mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1); |
1541 |
mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1); |
1542 |
mov_write_string_metadata(s, pb, "desc", "description",1); |
1543 |
mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1); |
1544 |
mov_write_string_metadata(s, pb, "tvsh", "show" , 1); |
1545 |
mov_write_string_metadata(s, pb, "tven", "episode_id",1); |
1546 |
mov_write_string_metadata(s, pb, "tvnn", "network" , 1); |
1547 |
mov_write_trkn_tag(pb, mov, s); |
1548 |
return updateSize(pb, pos);
|
1549 |
} |
1550 |
|
1551 |
/* iTunes meta data tag */
|
1552 |
static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov, |
1553 |
AVFormatContext *s) |
1554 |
{ |
1555 |
int size = 0; |
1556 |
int64_t pos = url_ftell(pb); |
1557 |
avio_wb32(pb, 0); /* size */ |
1558 |
ffio_wfourcc(pb, "meta");
|
1559 |
avio_wb32(pb, 0);
|
1560 |
mov_write_itunes_hdlr_tag(pb, mov, s); |
1561 |
mov_write_ilst_tag(pb, mov, s); |
1562 |
size = updateSize(pb, pos); |
1563 |
return size;
|
1564 |
} |
1565 |
|
1566 |
static int utf8len(const uint8_t *b) |
1567 |
{ |
1568 |
int len=0; |
1569 |
int val;
|
1570 |
while(*b){
|
1571 |
GET_UTF8(val, *b++, return -1;) |
1572 |
len++; |
1573 |
} |
1574 |
return len;
|
1575 |
} |
1576 |
|
1577 |
static int ascii_to_wc(AVIOContext *pb, const uint8_t *b) |
1578 |
{ |
1579 |
int val;
|
1580 |
while(*b){
|
1581 |
GET_UTF8(val, *b++, return -1;) |
1582 |
avio_wb16(pb, val); |
1583 |
} |
1584 |
avio_wb16(pb, 0x00);
|
1585 |
return 0; |
1586 |
} |
1587 |
|
1588 |
static uint16_t language_code(const char *str) |
1589 |
{ |
1590 |
return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F); |
1591 |
} |
1592 |
|
1593 |
static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s, |
1594 |
const char *tag, const char *str) |
1595 |
{ |
1596 |
int64_t pos = url_ftell(pb); |
1597 |
AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0); |
1598 |
if (!t || !utf8len(t->value))
|
1599 |
return 0; |
1600 |
avio_wb32(pb, 0); /* size */ |
1601 |
ffio_wfourcc(pb, tag); /* type */
|
1602 |
avio_wb32(pb, 0); /* version + flags */ |
1603 |
if (!strcmp(tag, "yrrc")) |
1604 |
avio_wb16(pb, atoi(t->value)); |
1605 |
else {
|
1606 |
avio_wb16(pb, language_code("eng")); /* language */ |
1607 |
avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */ |
1608 |
if (!strcmp(tag, "albm") && |
1609 |
(t = av_metadata_get(s->metadata, "track", NULL, 0))) |
1610 |
avio_w8(pb, atoi(t->value)); |
1611 |
} |
1612 |
return updateSize(pb, pos);
|
1613 |
} |
1614 |
|
1615 |
static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s) |
1616 |
{ |
1617 |
int64_t pos = url_ftell(pb); |
1618 |
int i, nb_chapters = FFMIN(s->nb_chapters, 255); |
1619 |
|
1620 |
avio_wb32(pb, 0); // size |
1621 |
ffio_wfourcc(pb, "chpl");
|
1622 |
avio_wb32(pb, 0x01000000); // version + flags |
1623 |
avio_wb32(pb, 0); // unknown |
1624 |
avio_w8(pb, nb_chapters); |
1625 |
|
1626 |
for (i = 0; i < nb_chapters; i++) { |
1627 |
AVChapter *c = s->chapters[i]; |
1628 |
AVMetadataTag *t; |
1629 |
avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000})); |
1630 |
|
1631 |
if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) { |
1632 |
int len = FFMIN(strlen(t->value), 255); |
1633 |
avio_w8(pb, len); |
1634 |
avio_write(pb, t->value, len); |
1635 |
} else
|
1636 |
avio_w8(pb, 0);
|
1637 |
} |
1638 |
return updateSize(pb, pos);
|
1639 |
} |
1640 |
|
1641 |
static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov, |
1642 |
AVFormatContext *s) |
1643 |
{ |
1644 |
AVIOContext *pb_buf; |
1645 |
int i, ret, size;
|
1646 |
uint8_t *buf; |
1647 |
|
1648 |
for (i = 0; i < s->nb_streams; i++) |
1649 |
if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
|
1650 |
return 0; |
1651 |
} |
1652 |
|
1653 |
ret = url_open_dyn_buf(&pb_buf); |
1654 |
if(ret < 0) |
1655 |
return ret;
|
1656 |
|
1657 |
if (mov->mode & MODE_3GP) {
|
1658 |
mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist"); |
1659 |
mov_write_3gp_udta_tag(pb_buf, s, "titl", "title"); |
1660 |
mov_write_3gp_udta_tag(pb_buf, s, "auth", "author"); |
1661 |
mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre"); |
1662 |
mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment"); |
1663 |
mov_write_3gp_udta_tag(pb_buf, s, "albm", "album"); |
1664 |
mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright"); |
1665 |
mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date"); |
1666 |
} else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4 |
1667 |
mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0); |
1668 |
mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0); |
1669 |
mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0); |
1670 |
mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0); |
1671 |
mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0); |
1672 |
mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0); |
1673 |
mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0); |
1674 |
mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0); |
1675 |
mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0); |
1676 |
} else {
|
1677 |
/* iTunes meta data */
|
1678 |
mov_write_meta_tag(pb_buf, mov, s); |
1679 |
} |
1680 |
|
1681 |
if (s->nb_chapters)
|
1682 |
mov_write_chpl_tag(pb_buf, s); |
1683 |
|
1684 |
if ((size = url_close_dyn_buf(pb_buf, &buf)) > 0) { |
1685 |
avio_wb32(pb, size+8);
|
1686 |
ffio_wfourcc(pb, "udta");
|
1687 |
avio_write(pb, buf, size); |
1688 |
} |
1689 |
av_free(buf); |
1690 |
|
1691 |
return 0; |
1692 |
} |
1693 |
|
1694 |
static void mov_write_psp_udta_tag(AVIOContext *pb, |
1695 |
const char *str, const char *lang, int type) |
1696 |
{ |
1697 |
int len = utf8len(str)+1; |
1698 |
if(len<=0) |
1699 |
return;
|
1700 |
avio_wb16(pb, len*2+10); /* size */ |
1701 |
avio_wb32(pb, type); /* type */
|
1702 |
avio_wb16(pb, language_code(lang)); /* language */
|
1703 |
avio_wb16(pb, 0x01); /* ? */ |
1704 |
ascii_to_wc(pb, str); |
1705 |
} |
1706 |
|
1707 |
static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s) |
1708 |
{ |
1709 |
AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0); |
1710 |
int64_t pos, pos2; |
1711 |
|
1712 |
if (title) {
|
1713 |
pos = url_ftell(pb); |
1714 |
avio_wb32(pb, 0); /* size placeholder*/ |
1715 |
ffio_wfourcc(pb, "uuid");
|
1716 |
ffio_wfourcc(pb, "USMT");
|
1717 |
avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */ |
1718 |
avio_wb32(pb, 0xbb88695c);
|
1719 |
avio_wb32(pb, 0xfac9c740);
|
1720 |
|
1721 |
pos2 = url_ftell(pb); |
1722 |
avio_wb32(pb, 0); /* size placeholder*/ |
1723 |
ffio_wfourcc(pb, "MTDT");
|
1724 |
avio_wb16(pb, 4);
|
1725 |
|
1726 |
// ?
|
1727 |
avio_wb16(pb, 0x0C); /* size */ |
1728 |
avio_wb32(pb, 0x0B); /* type */ |
1729 |
avio_wb16(pb, language_code("und")); /* language */ |
1730 |
avio_wb16(pb, 0x0); /* ? */ |
1731 |
avio_wb16(pb, 0x021C); /* data */ |
1732 |
|
1733 |
mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04); |
1734 |
mov_write_psp_udta_tag(pb, title->value, "eng", 0x01); |
1735 |
// 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);
|
1736 |
mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03); |
1737 |
|
1738 |
updateSize(pb, pos2); |
1739 |
return updateSize(pb, pos);
|
1740 |
} |
1741 |
|
1742 |
return 0; |
1743 |
} |
1744 |
|
1745 |
static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov, |
1746 |
AVFormatContext *s) |
1747 |
{ |
1748 |
int i;
|
1749 |
int64_t pos = url_ftell(pb); |
1750 |
avio_wb32(pb, 0); /* size placeholder*/ |
1751 |
ffio_wfourcc(pb, "moov");
|
1752 |
|
1753 |
for (i=0; i<mov->nb_streams; i++) { |
1754 |
if(mov->tracks[i].entry <= 0) continue; |
1755 |
|
1756 |
mov->tracks[i].time = mov->time; |
1757 |
mov->tracks[i].trackID = i+1;
|
1758 |
} |
1759 |
|
1760 |
if (mov->chapter_track)
|
1761 |
for (i=0; i<s->nb_streams; i++) { |
1762 |
mov->tracks[i].tref_tag = MKTAG('c','h','a','p'); |
1763 |
mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID; |
1764 |
} |
1765 |
for (i = 0; i < mov->nb_streams; i++) { |
1766 |
if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) { |
1767 |
mov->tracks[i].tref_tag = MKTAG('h','i','n','t'); |
1768 |
mov->tracks[i].tref_id = |
1769 |
mov->tracks[mov->tracks[i].src_track].trackID; |
1770 |
} |
1771 |
} |
1772 |
|
1773 |
mov_write_mvhd_tag(pb, mov); |
1774 |
//mov_write_iods_tag(pb, mov);
|
1775 |
for (i=0; i<mov->nb_streams; i++) { |
1776 |
if(mov->tracks[i].entry > 0) { |
1777 |
mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
|
1778 |
} |
1779 |
} |
1780 |
|
1781 |
if (mov->mode == MODE_PSP)
|
1782 |
mov_write_uuidusmt_tag(pb, s); |
1783 |
else
|
1784 |
mov_write_udta_tag(pb, mov, s); |
1785 |
|
1786 |
return updateSize(pb, pos);
|
1787 |
} |
1788 |
|
1789 |
static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov) |
1790 |
{ |
1791 |
avio_wb32(pb, 8); // placeholder for extended size field (64 bit) |
1792 |
ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free"); |
1793 |
|
1794 |
mov->mdat_pos = url_ftell(pb); |
1795 |
avio_wb32(pb, 0); /* size placeholder*/ |
1796 |
ffio_wfourcc(pb, "mdat");
|
1797 |
return 0; |
1798 |
} |
1799 |
|
1800 |
/* TODO: This needs to be more general */
|
1801 |
static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s) |
1802 |
{ |
1803 |
MOVMuxContext *mov = s->priv_data; |
1804 |
int64_t pos = url_ftell(pb); |
1805 |
int has_h264 = 0, has_video = 0; |
1806 |
int minor = 0x200; |
1807 |
int i;
|
1808 |
|
1809 |
for (i = 0; i < s->nb_streams; i++) { |
1810 |
AVStream *st = s->streams[i]; |
1811 |
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
|
1812 |
has_video = 1;
|
1813 |
if (st->codec->codec_id == CODEC_ID_H264)
|
1814 |
has_h264 = 1;
|
1815 |
} |
1816 |
|
1817 |
avio_wb32(pb, 0); /* size */ |
1818 |
ffio_wfourcc(pb, "ftyp");
|
1819 |
|
1820 |
if (mov->mode == MODE_3GP) {
|
1821 |
ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4"); |
1822 |
minor = has_h264 ? 0x100 : 0x200; |
1823 |
} else if (mov->mode & MODE_3G2) { |
1824 |
ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a"); |
1825 |
minor = has_h264 ? 0x20000 : 0x10000; |
1826 |
}else if (mov->mode == MODE_PSP) |
1827 |
ffio_wfourcc(pb, "MSNV");
|
1828 |
else if (mov->mode == MODE_MP4) |
1829 |
ffio_wfourcc(pb, "isom");
|
1830 |
else if (mov->mode == MODE_IPOD) |
1831 |
ffio_wfourcc(pb, has_video ? "M4V ":"M4A "); |
1832 |
else
|
1833 |
ffio_wfourcc(pb, "qt ");
|
1834 |
|
1835 |
avio_wb32(pb, minor); |
1836 |
|
1837 |
if(mov->mode == MODE_MOV)
|
1838 |
ffio_wfourcc(pb, "qt ");
|
1839 |
else{
|
1840 |
ffio_wfourcc(pb, "isom");
|
1841 |
ffio_wfourcc(pb, "iso2");
|
1842 |
if(has_h264)
|
1843 |
ffio_wfourcc(pb, "avc1");
|
1844 |
} |
1845 |
|
1846 |
if (mov->mode == MODE_3GP)
|
1847 |
ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4"); |
1848 |
else if (mov->mode & MODE_3G2) |
1849 |
ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a"); |
1850 |
else if (mov->mode == MODE_PSP) |
1851 |
ffio_wfourcc(pb, "MSNV");
|
1852 |
else if (mov->mode == MODE_MP4) |
1853 |
ffio_wfourcc(pb, "mp41");
|
1854 |
return updateSize(pb, pos);
|
1855 |
} |
1856 |
|
1857 |
static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s) |
1858 |
{ |
1859 |
AVCodecContext *VideoCodec = s->streams[0]->codec;
|
1860 |
AVCodecContext *AudioCodec = s->streams[1]->codec;
|
1861 |
int AudioRate = AudioCodec->sample_rate;
|
1862 |
int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num); |
1863 |
int audio_kbitrate= AudioCodec->bit_rate / 1000; |
1864 |
int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate); |
1865 |
|
1866 |
avio_wb32(pb, 0x94); /* size */ |
1867 |
ffio_wfourcc(pb, "uuid");
|
1868 |
ffio_wfourcc(pb, "PROF");
|
1869 |
|
1870 |
avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */ |
1871 |
avio_wb32(pb, 0xbb88695c);
|
1872 |
avio_wb32(pb, 0xfac9c740);
|
1873 |
|
1874 |
avio_wb32(pb, 0x0); /* ? */ |
1875 |
avio_wb32(pb, 0x3); /* 3 sections ? */ |
1876 |
|
1877 |
avio_wb32(pb, 0x14); /* size */ |
1878 |
ffio_wfourcc(pb, "FPRF");
|
1879 |
avio_wb32(pb, 0x0); /* ? */ |
1880 |
avio_wb32(pb, 0x0); /* ? */ |
1881 |
avio_wb32(pb, 0x0); /* ? */ |
1882 |
|
1883 |
avio_wb32(pb, 0x2c); /* size */ |
1884 |
ffio_wfourcc(pb, "APRF");/* audio */ |
1885 |
avio_wb32(pb, 0x0);
|
1886 |
avio_wb32(pb, 0x2); /* TrackID */ |
1887 |
ffio_wfourcc(pb, "mp4a");
|
1888 |
avio_wb32(pb, 0x20f);
|
1889 |
avio_wb32(pb, 0x0);
|
1890 |
avio_wb32(pb, audio_kbitrate); |
1891 |
avio_wb32(pb, audio_kbitrate); |
1892 |
avio_wb32(pb, AudioRate); |
1893 |
avio_wb32(pb, AudioCodec->channels); |
1894 |
|
1895 |
avio_wb32(pb, 0x34); /* size */ |
1896 |
ffio_wfourcc(pb, "VPRF"); /* video */ |
1897 |
avio_wb32(pb, 0x0);
|
1898 |
avio_wb32(pb, 0x1); /* TrackID */ |
1899 |
if (VideoCodec->codec_id == CODEC_ID_H264) {
|
1900 |
ffio_wfourcc(pb, "avc1");
|
1901 |
avio_wb16(pb, 0x014D);
|
1902 |
avio_wb16(pb, 0x0015);
|
1903 |
} else {
|
1904 |
ffio_wfourcc(pb, "mp4v");
|
1905 |
avio_wb16(pb, 0x0000);
|
1906 |
avio_wb16(pb, 0x0103);
|
1907 |
} |
1908 |
avio_wb32(pb, 0x0);
|
1909 |
avio_wb32(pb, video_kbitrate); |
1910 |
avio_wb32(pb, video_kbitrate); |
1911 |
avio_wb32(pb, FrameRate); |
1912 |
avio_wb32(pb, FrameRate); |
1913 |
avio_wb16(pb, VideoCodec->width); |
1914 |
avio_wb16(pb, VideoCodec->height); |
1915 |
avio_wb32(pb, 0x010001); /* ? */ |
1916 |
} |
1917 |
|
1918 |
static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags) |
1919 |
{ |
1920 |
uint32_t c = -1;
|
1921 |
int i, closed_gop = 0; |
1922 |
|
1923 |
for (i = 0; i < pkt->size - 4; i++) { |
1924 |
c = (c<<8) + pkt->data[i];
|
1925 |
if (c == 0x1b8) { // gop |
1926 |
closed_gop = pkt->data[i+4]>>6 & 0x01; |
1927 |
} else if (c == 0x100) { // pic |
1928 |
int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6); |
1929 |
if (!temp_ref || closed_gop) // I picture is not reordered |
1930 |
*flags = MOV_SYNC_SAMPLE; |
1931 |
else
|
1932 |
*flags = MOV_PARTIAL_SYNC_SAMPLE; |
1933 |
break;
|
1934 |
} |
1935 |
} |
1936 |
return 0; |
1937 |
} |
1938 |
|
1939 |
int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
|
1940 |
{ |
1941 |
MOVMuxContext *mov = s->priv_data; |
1942 |
AVIOContext *pb = s->pb; |
1943 |
MOVTrack *trk = &mov->tracks[pkt->stream_index]; |
1944 |
AVCodecContext *enc = trk->enc; |
1945 |
unsigned int samplesInChunk = 0; |
1946 |
int size= pkt->size;
|
1947 |
|
1948 |
if (url_is_streamed(s->pb)) return 0; /* Can't handle that */ |
1949 |
if (!size) return 0; /* Discard 0 sized packets */ |
1950 |
|
1951 |
if (enc->codec_id == CODEC_ID_AMR_NB) {
|
1952 |
/* We must find out how many AMR blocks there are in one packet */
|
1953 |
static uint16_t packed_size[16] = |
1954 |
{13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0}; |
1955 |
int len = 0; |
1956 |
|
1957 |
while (len < size && samplesInChunk < 100) { |
1958 |
len += packed_size[(pkt->data[len] >> 3) & 0x0F]; |
1959 |
samplesInChunk++; |
1960 |
} |
1961 |
if(samplesInChunk > 1){ |
1962 |
av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
|
1963 |
return -1; |
1964 |
} |
1965 |
} else if (enc->codec_id == CODEC_ID_ADPCM_MS || |
1966 |
enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) { |
1967 |
samplesInChunk = enc->frame_size; |
1968 |
} else if (trk->sampleSize) |
1969 |
samplesInChunk = size/trk->sampleSize; |
1970 |
else
|
1971 |
samplesInChunk = 1;
|
1972 |
|
1973 |
/* copy extradata if it exists */
|
1974 |
if (trk->vosLen == 0 && enc->extradata_size > 0) { |
1975 |
trk->vosLen = enc->extradata_size; |
1976 |
trk->vosData = av_malloc(trk->vosLen); |
1977 |
memcpy(trk->vosData, enc->extradata, trk->vosLen); |
1978 |
} |
1979 |
|
1980 |
if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) { |
1981 |
/* from x264 or from bytestream h264 */
|
1982 |
/* nal reformating needed */
|
1983 |
size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size); |
1984 |
} else {
|
1985 |
avio_write(pb, pkt->data, size); |
1986 |
} |
1987 |
|
1988 |
if ((enc->codec_id == CODEC_ID_DNXHD ||
|
1989 |
enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) { |
1990 |
/* copy frame to create needed atoms */
|
1991 |
trk->vosLen = size; |
1992 |
trk->vosData = av_malloc(size); |
1993 |
if (!trk->vosData)
|
1994 |
return AVERROR(ENOMEM);
|
1995 |
memcpy(trk->vosData, pkt->data, size); |
1996 |
} |
1997 |
|
1998 |
if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
|
1999 |
trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
|
2000 |
if (!trk->cluster)
|
2001 |
return -1; |
2002 |
} |
2003 |
|
2004 |
trk->cluster[trk->entry].pos = url_ftell(pb) - size; |
2005 |
trk->cluster[trk->entry].samplesInChunk = samplesInChunk; |
2006 |
trk->cluster[trk->entry].size = size; |
2007 |
trk->cluster[trk->entry].entries = samplesInChunk; |
2008 |
trk->cluster[trk->entry].dts = pkt->dts; |
2009 |
trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
|
2010 |
|
2011 |
if (pkt->pts == AV_NOPTS_VALUE) {
|
2012 |
av_log(s, AV_LOG_WARNING, "pts has no value\n");
|
2013 |
pkt->pts = pkt->dts; |
2014 |
} |
2015 |
if (pkt->dts != pkt->pts)
|
2016 |
trk->flags |= MOV_TRACK_CTTS; |
2017 |
trk->cluster[trk->entry].cts = pkt->pts - pkt->dts; |
2018 |
trk->cluster[trk->entry].flags = 0;
|
2019 |
if (pkt->flags & AV_PKT_FLAG_KEY) {
|
2020 |
if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
|
2021 |
trk->entry > 0) { // force sync sample for the first key frame |
2022 |
mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags); |
2023 |
if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
|
2024 |
trk->flags |= MOV_TRACK_STPS; |
2025 |
} else {
|
2026 |
trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE; |
2027 |
} |
2028 |
if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
|
2029 |
trk->hasKeyframes++; |
2030 |
} |
2031 |
trk->entry++; |
2032 |
trk->sampleCount += samplesInChunk; |
2033 |
mov->mdat_size += size; |
2034 |
|
2035 |
put_flush_packet(pb); |
2036 |
|
2037 |
if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) |
2038 |
ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry); |
2039 |
return 0; |
2040 |
} |
2041 |
|
2042 |
// QuickTime chapters involve an additional text track with the chapter names
|
2043 |
// as samples, and a tref pointing from the other tracks to the chapter one.
|
2044 |
static void mov_create_chapter_track(AVFormatContext *s, int tracknum) |
2045 |
{ |
2046 |
MOVMuxContext *mov = s->priv_data; |
2047 |
MOVTrack *track = &mov->tracks[tracknum]; |
2048 |
AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY }; |
2049 |
int i, len;
|
2050 |
|
2051 |
track->mode = mov->mode; |
2052 |
track->tag = MKTAG('t','e','x','t'); |
2053 |
track->timescale = MOV_TIMESCALE; |
2054 |
track->enc = avcodec_alloc_context(); |
2055 |
track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE; |
2056 |
|
2057 |
for (i = 0; i < s->nb_chapters; i++) { |
2058 |
AVChapter *c = s->chapters[i]; |
2059 |
AVMetadataTag *t; |
2060 |
|
2061 |
int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
|
2062 |
pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
|
2063 |
pkt.duration = end - pkt.dts; |
2064 |
|
2065 |
if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) { |
2066 |
len = strlen(t->value); |
2067 |
pkt.size = len+2;
|
2068 |
pkt.data = av_malloc(pkt.size); |
2069 |
AV_WB16(pkt.data, len); |
2070 |
memcpy(pkt.data+2, t->value, len);
|
2071 |
ff_mov_write_packet(s, &pkt); |
2072 |
av_freep(&pkt.data); |
2073 |
} |
2074 |
} |
2075 |
} |
2076 |
|
2077 |
static int mov_write_header(AVFormatContext *s) |
2078 |
{ |
2079 |
AVIOContext *pb = s->pb; |
2080 |
MOVMuxContext *mov = s->priv_data; |
2081 |
int i, hint_track = 0; |
2082 |
|
2083 |
if (url_is_streamed(s->pb)) {
|
2084 |
av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
|
2085 |
return -1; |
2086 |
} |
2087 |
|
2088 |
/* Default mode == MP4 */
|
2089 |
mov->mode = MODE_MP4; |
2090 |
|
2091 |
if (s->oformat != NULL) { |
2092 |
if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP; |
2093 |
else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2; |
2094 |
else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV; |
2095 |
else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP; |
2096 |
else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD; |
2097 |
|
2098 |
mov_write_ftyp_tag(pb,s); |
2099 |
if (mov->mode == MODE_PSP) {
|
2100 |
if (s->nb_streams != 2) { |
2101 |
av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
|
2102 |
return -1; |
2103 |
} |
2104 |
mov_write_uuidprof_tag(pb,s); |
2105 |
} |
2106 |
} |
2107 |
|
2108 |
mov->nb_streams = s->nb_streams; |
2109 |
if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
|
2110 |
mov->chapter_track = mov->nb_streams++; |
2111 |
|
2112 |
if (s->flags & AVFMT_FLAG_RTP_HINT) {
|
2113 |
/* Add hint tracks for each audio and video stream */
|
2114 |
hint_track = mov->nb_streams; |
2115 |
for (i = 0; i < s->nb_streams; i++) { |
2116 |
AVStream *st = s->streams[i]; |
2117 |
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
|
2118 |
st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { |
2119 |
mov->nb_streams++; |
2120 |
} |
2121 |
} |
2122 |
} |
2123 |
|
2124 |
mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
|
2125 |
if (!mov->tracks)
|
2126 |
return AVERROR(ENOMEM);
|
2127 |
|
2128 |
for(i=0; i<s->nb_streams; i++){ |
2129 |
AVStream *st= s->streams[i]; |
2130 |
MOVTrack *track= &mov->tracks[i]; |
2131 |
AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0); |
2132 |
|
2133 |
track->enc = st->codec; |
2134 |
track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
|
2135 |
if (track->language < 0) |
2136 |
track->language = 0;
|
2137 |
track->mode = mov->mode; |
2138 |
track->tag = mov_find_codec_tag(s, track); |
2139 |
if (!track->tag) {
|
2140 |
av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
|
2141 |
"codec not currently supported in container\n", i);
|
2142 |
goto error;
|
2143 |
} |
2144 |
/* If hinting of this track is enabled by a later hint track,
|
2145 |
* this is updated. */
|
2146 |
track->hint_track = -1;
|
2147 |
if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
|
2148 |
if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') || |
2149 |
track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') || |
2150 |
track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) { |
2151 |
if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) { |
2152 |
av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
|
2153 |
goto error;
|
2154 |
} |
2155 |
track->height = track->tag>>24 == 'n' ? 486 : 576; |
2156 |
} |
2157 |
track->timescale = st->codec->time_base.den; |
2158 |
if (track->mode == MODE_MOV && track->timescale > 100000) |
2159 |
av_log(s, AV_LOG_WARNING, |
2160 |
"WARNING codec timebase is very high. If duration is too long,\n"
|
2161 |
"file may not be playable by quicktime. Specify a shorter timebase\n"
|
2162 |
"or choose different container.\n");
|
2163 |
}else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){ |
2164 |
track->timescale = st->codec->sample_rate; |
2165 |
if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
|
2166 |
av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
|
2167 |
goto error;
|
2168 |
}else if(st->codec->codec_id == CODEC_ID_ADPCM_MS || |
2169 |
st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){ |
2170 |
if (!st->codec->block_align) {
|
2171 |
av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
|
2172 |
goto error;
|
2173 |
} |
2174 |
track->sampleSize = st->codec->block_align; |
2175 |
}else if(st->codec->frame_size > 1){ /* assume compressed audio */ |
2176 |
track->audio_vbr = 1;
|
2177 |
}else{
|
2178 |
st->codec->frame_size = 1;
|
2179 |
track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
|
2180 |
} |
2181 |
if (track->mode != MODE_MOV) {
|
2182 |
if (track->timescale > UINT16_MAX) {
|
2183 |
av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
|
2184 |
"sample rate %dhz\n", i, track->timescale);
|
2185 |
goto error;
|
2186 |
} |
2187 |
if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) { |
2188 |
av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
|
2189 |
i, track->enc->sample_rate); |
2190 |
goto error;
|
2191 |
} |
2192 |
} |
2193 |
}else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){ |
2194 |
track->timescale = st->codec->time_base.den; |
2195 |
} |
2196 |
if (!track->height)
|
2197 |
track->height = st->codec->height; |
2198 |
|
2199 |
av_set_pts_info(st, 64, 1, track->timescale); |
2200 |
} |
2201 |
|
2202 |
mov_write_mdat_tag(pb, mov); |
2203 |
mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based |
2204 |
|
2205 |
if (mov->chapter_track)
|
2206 |
mov_create_chapter_track(s, mov->chapter_track); |
2207 |
|
2208 |
if (s->flags & AVFMT_FLAG_RTP_HINT) {
|
2209 |
/* Initialize the hint tracks for each audio and video stream */
|
2210 |
for (i = 0; i < s->nb_streams; i++) { |
2211 |
AVStream *st = s->streams[i]; |
2212 |
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
|
2213 |
st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { |
2214 |
ff_mov_init_hinting(s, hint_track, i); |
2215 |
hint_track++; |
2216 |
} |
2217 |
} |
2218 |
} |
2219 |
|
2220 |
put_flush_packet(pb); |
2221 |
|
2222 |
return 0; |
2223 |
error:
|
2224 |
av_freep(&mov->tracks); |
2225 |
return -1; |
2226 |
} |
2227 |
|
2228 |
static int mov_write_trailer(AVFormatContext *s) |
2229 |
{ |
2230 |
MOVMuxContext *mov = s->priv_data; |
2231 |
AVIOContext *pb = s->pb; |
2232 |
int res = 0; |
2233 |
int i;
|
2234 |
|
2235 |
int64_t moov_pos = url_ftell(pb); |
2236 |
|
2237 |
/* Write size of mdat tag */
|
2238 |
if (mov->mdat_size+8 <= UINT32_MAX) { |
2239 |
url_fseek(pb, mov->mdat_pos, SEEK_SET); |
2240 |
avio_wb32(pb, mov->mdat_size+8);
|
2241 |
} else {
|
2242 |
/* overwrite 'wide' placeholder atom */
|
2243 |
url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
|
2244 |
avio_wb32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */ |
2245 |
ffio_wfourcc(pb, "mdat");
|
2246 |
avio_wb64(pb, mov->mdat_size+16);
|
2247 |
} |
2248 |
url_fseek(pb, moov_pos, SEEK_SET); |
2249 |
|
2250 |
mov_write_moov_tag(pb, mov, s); |
2251 |
|
2252 |
if (mov->chapter_track)
|
2253 |
av_freep(&mov->tracks[mov->chapter_track].enc); |
2254 |
|
2255 |
for (i=0; i<mov->nb_streams; i++) { |
2256 |
if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) |
2257 |
ff_mov_close_hinting(&mov->tracks[i]); |
2258 |
av_freep(&mov->tracks[i].cluster); |
2259 |
|
2260 |
if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
|
2261 |
|
2262 |
} |
2263 |
|
2264 |
put_flush_packet(pb); |
2265 |
|
2266 |
av_freep(&mov->tracks); |
2267 |
|
2268 |
return res;
|
2269 |
} |
2270 |
|
2271 |
#if CONFIG_MOV_MUXER
|
2272 |
AVOutputFormat ff_mov_muxer = { |
2273 |
"mov",
|
2274 |
NULL_IF_CONFIG_SMALL("MOV format"),
|
2275 |
NULL,
|
2276 |
"mov",
|
2277 |
sizeof(MOVMuxContext),
|
2278 |
CODEC_ID_AAC, |
2279 |
CODEC_ID_MPEG4, |
2280 |
mov_write_header, |
2281 |
ff_mov_write_packet, |
2282 |
mov_write_trailer, |
2283 |
.flags = AVFMT_GLOBALHEADER, |
2284 |
.codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0}, |
2285 |
}; |
2286 |
#endif
|
2287 |
#if CONFIG_TGP_MUXER
|
2288 |
AVOutputFormat ff_tgp_muxer = { |
2289 |
"3gp",
|
2290 |
NULL_IF_CONFIG_SMALL("3GP format"),
|
2291 |
NULL,
|
2292 |
"3gp",
|
2293 |
sizeof(MOVMuxContext),
|
2294 |
CODEC_ID_AMR_NB, |
2295 |
CODEC_ID_H263, |
2296 |
mov_write_header, |
2297 |
ff_mov_write_packet, |
2298 |
mov_write_trailer, |
2299 |
.flags = AVFMT_GLOBALHEADER, |
2300 |
.codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0}, |
2301 |
}; |
2302 |
#endif
|
2303 |
#if CONFIG_MP4_MUXER
|
2304 |
AVOutputFormat ff_mp4_muxer = { |
2305 |
"mp4",
|
2306 |
NULL_IF_CONFIG_SMALL("MP4 format"),
|
2307 |
"application/mp4",
|
2308 |
"mp4",
|
2309 |
sizeof(MOVMuxContext),
|
2310 |
CODEC_ID_AAC, |
2311 |
CODEC_ID_MPEG4, |
2312 |
mov_write_header, |
2313 |
ff_mov_write_packet, |
2314 |
mov_write_trailer, |
2315 |
.flags = AVFMT_GLOBALHEADER, |
2316 |
.codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0}, |
2317 |
}; |
2318 |
#endif
|
2319 |
#if CONFIG_PSP_MUXER
|
2320 |
AVOutputFormat ff_psp_muxer = { |
2321 |
"psp",
|
2322 |
NULL_IF_CONFIG_SMALL("PSP MP4 format"),
|
2323 |
NULL,
|
2324 |
"mp4,psp",
|
2325 |
sizeof(MOVMuxContext),
|
2326 |
CODEC_ID_AAC, |
2327 |
CODEC_ID_MPEG4, |
2328 |
mov_write_header, |
2329 |
ff_mov_write_packet, |
2330 |
mov_write_trailer, |
2331 |
.flags = AVFMT_GLOBALHEADER, |
2332 |
.codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0}, |
2333 |
}; |
2334 |
#endif
|
2335 |
#if CONFIG_TG2_MUXER
|
2336 |
AVOutputFormat ff_tg2_muxer = { |
2337 |
"3g2",
|
2338 |
NULL_IF_CONFIG_SMALL("3GP2 format"),
|
2339 |
NULL,
|
2340 |
"3g2",
|
2341 |
sizeof(MOVMuxContext),
|
2342 |
CODEC_ID_AMR_NB, |
2343 |
CODEC_ID_H263, |
2344 |
mov_write_header, |
2345 |
ff_mov_write_packet, |
2346 |
mov_write_trailer, |
2347 |
.flags = AVFMT_GLOBALHEADER, |
2348 |
.codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0}, |
2349 |
}; |
2350 |
#endif
|
2351 |
#if CONFIG_IPOD_MUXER
|
2352 |
AVOutputFormat ff_ipod_muxer = { |
2353 |
"ipod",
|
2354 |
NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
|
2355 |
"application/mp4",
|
2356 |
"m4v,m4a",
|
2357 |
sizeof(MOVMuxContext),
|
2358 |
CODEC_ID_AAC, |
2359 |
CODEC_ID_H264, |
2360 |
mov_write_header, |
2361 |
ff_mov_write_packet, |
2362 |
mov_write_trailer, |
2363 |
.flags = AVFMT_GLOBALHEADER, |
2364 |
.codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0}, |
2365 |
}; |
2366 |
#endif
|