ffmpeg / libavformat / movenc.c @ cc255afe
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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 "avformat.h" |
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#include "riff.h" |
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#include "avio.h" |
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#include "isom.h" |
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#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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#undef NDEBUG
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#include <assert.h> |
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#define MOV_INDEX_CLUSTER_SIZE 16384 |
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#define MOV_TIMESCALE 1000 |
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|
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#define MODE_MP4 0x01 |
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#define MODE_MOV 0x02 |
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#define MODE_3GP 0x04 |
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#define MODE_PSP 0x08 // example working PSP command line: |
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// ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
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#define MODE_3G2 0x10 |
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#define MODE_IPOD 0x20 |
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|
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typedef struct MOVIentry { |
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unsigned int size; |
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uint64_t pos; |
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unsigned int samplesInChunk; |
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unsigned int entries; |
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int cts;
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int64_t dts; |
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#define MOV_SYNC_SAMPLE 0x0001 |
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#define MOV_PARTIAL_SYNC_SAMPLE 0x0002 |
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uint32_t flags; |
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} MOVIentry; |
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|
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typedef struct MOVIndex { |
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int mode;
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int entry;
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unsigned timescale;
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uint64_t time; |
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int64_t trackDuration; |
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long sampleCount;
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long sampleSize;
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int hasKeyframes;
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#define MOV_TRACK_CTTS 0x0001 |
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#define MOV_TRACK_STPS 0x0002 |
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uint32_t flags; |
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int language;
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int trackID;
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int tag; ///< stsd fourcc |
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AVCodecContext *enc; |
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|
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int vosLen;
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uint8_t *vosData; |
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MOVIentry *cluster; |
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int audio_vbr;
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int height; ///< active picture (w/o VBI) height for D-10/IMX |
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} MOVTrack; |
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|
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typedef struct MOVMuxContext { |
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int mode;
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int64_t time; |
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int nb_streams;
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int64_t mdat_pos; |
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uint64_t mdat_size; |
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MOVTrack *tracks; |
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} MOVMuxContext; |
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|
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//FIXME support 64 bit variant with wide placeholders
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static int64_t updateSize(ByteIOContext *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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put_be32(pb, curpos - pos); /* rewrite size */
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url_fseek(pb, curpos, SEEK_SET); |
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return curpos - pos;
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} |
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|
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/* Chunk offset atom */
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static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack *track) |
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{
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int i;
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int mode64 = 0; // use 32 bit size variant if possible |
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int64_t pos = url_ftell(pb); |
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put_be32(pb, 0); /* size */ |
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if (pos > UINT32_MAX) {
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mode64 = 1;
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put_tag(pb, "co64");
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} else
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put_tag(pb, "stco");
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put_be32(pb, 0); /* version & flags */ |
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put_be32(pb, track->entry); /* entry count */
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for (i=0; i<track->entry; i++) { |
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if(mode64 == 1) |
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put_be64(pb, track->cluster[i].pos); |
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else
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put_be32(pb, track->cluster[i].pos); |
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} |
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return updateSize(pb, pos);
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} |
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/* Sample size atom */
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static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack *track) |
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{
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int equalChunks = 1; |
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int i, j, entries = 0, tst = -1, oldtst = -1; |
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int64_t pos = url_ftell(pb); |
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put_be32(pb, 0); /* size */ |
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put_tag(pb, "stsz");
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put_be32(pb, 0); /* version & flags */ |
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for (i=0; i<track->entry; i++) { |
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tst = track->cluster[i].size/track->cluster[i].entries; |
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if(oldtst != -1 && tst != oldtst) { |
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equalChunks = 0;
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} |
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oldtst = tst; |
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entries += track->cluster[i].entries; |
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} |
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if (equalChunks) {
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int sSize = track->cluster[0].size/track->cluster[0].entries; |
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put_be32(pb, sSize); // sample size
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put_be32(pb, entries); // sample count
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} |
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else {
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put_be32(pb, 0); // sample size |
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put_be32(pb, entries); // sample count
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for (i=0; i<track->entry; i++) { |
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for (j=0; j<track->cluster[i].entries; j++) { |
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put_be32(pb, track->cluster[i].size / |
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track->cluster[i].entries); |
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} |
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} |
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} |
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return updateSize(pb, pos);
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} |
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/* Sample to chunk atom */
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static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack *track) |
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{
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int index = 0, oldval = -1, i; |
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int64_t entryPos, curpos; |
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int64_t pos = url_ftell(pb); |
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put_be32(pb, 0); /* size */ |
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put_tag(pb, "stsc");
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put_be32(pb, 0); // version & flags |
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entryPos = url_ftell(pb); |
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put_be32(pb, track->entry); // entry count
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for (i=0; i<track->entry; i++) { |
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if(oldval != track->cluster[i].samplesInChunk)
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{
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put_be32(pb, i+1); // first chunk |
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put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
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put_be32(pb, 0x1); // sample description index |
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oldval = track->cluster[i].samplesInChunk; |
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index++; |
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} |
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} |
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curpos = url_ftell(pb); |
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url_fseek(pb, entryPos, SEEK_SET); |
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put_be32(pb, index); // rewrite size
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url_fseek(pb, curpos, SEEK_SET); |
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return updateSize(pb, pos);
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} |
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/* Sync sample atom */
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static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack *track, 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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put_be32(pb, 0); // size |
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put_tag(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps"); |
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put_be32(pb, 0); // version & flags |
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entryPos = url_ftell(pb); |
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put_be32(pb, track->entry); // entry count
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for (i=0; i<track->entry; i++) { |
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if (track->cluster[i].flags & flag) {
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put_be32(pb, i+1);
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index++; |
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} |
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} |
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curpos = url_ftell(pb); |
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url_fseek(pb, entryPos, SEEK_SET); |
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put_be32(pb, index); // rewrite size
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url_fseek(pb, curpos, SEEK_SET); |
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return updateSize(pb, pos);
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} |
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static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track) |
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{
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put_be32(pb, 0x11); /* size */ |
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if (track->mode == MODE_MOV) put_tag(pb, "samr"); |
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else put_tag(pb, "damr"); |
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put_tag(pb, "FFMP");
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put_byte(pb, 0); /* decoder version */ |
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put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */ |
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put_byte(pb, 0x00); /* Mode change period (no restriction) */ |
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put_byte(pb, 0x01); /* Frames per sample */ |
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return 0x11; |
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} |
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|
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static int mov_write_ac3_tag(ByteIOContext *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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put_be32(pb, 11);
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put_tag(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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put_buffer(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(ByteIOContext *pb, MOVTrack *track) |
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{
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put_buffer(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(ByteIOContext *pb) |
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{
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put_be32(pb, 10);
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put_tag(pb, "enda");
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put_be16(pb, 1); /* little endian */ |
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return 10; |
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} |
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static unsigned int descrLength(unsigned int len) |
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{
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int i;
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for(i=1; len>>(7*i); i++); |
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return len + 1 + i; |
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} |
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static void putDescr(ByteIOContext *pb, int tag, unsigned int size) |
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{
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int i= descrLength(size) - size - 2; |
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put_byte(pb, tag); |
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for(; i>0; i--) |
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put_byte(pb, (size>>(7*i)) | 0x80); |
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put_byte(pb, size & 0x7F);
|
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} |
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static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack *track) // Basic |
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{
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int64_t pos = url_ftell(pb); |
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int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0; |
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put_be32(pb, 0); // size |
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put_tag(pb, "esds");
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put_be32(pb, 0); // Version |
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// ES descriptor
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putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) + |
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descrLength(1));
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put_be16(pb, track->trackID); |
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put_byte(pb, 0x00); // flags (= no flags) |
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// DecoderConfig descriptor
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putDescr(pb, 0x04, 13 + decoderSpecificInfoLen); |
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// Object type indication
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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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put_byte(pb, 0x6B); // 11172-3 |
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else
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put_byte(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 == CODEC_TYPE_AUDIO)
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put_byte(pb, 0x15); // flags (= Audiostream) |
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else
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put_byte(pb, 0x11); // flags (= Visualstream) |
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|
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put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits) |
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put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB |
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|
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put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
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if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0) |
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put_be32(pb, 0); // vbr |
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else
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put_be32(pb, track->enc->rc_max_rate); // avg bitrate
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|
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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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put_buffer(pb, track->vosData, track->vosLen); |
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} |
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// SL descriptor
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putDescr(pb, 0x06, 1); |
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put_byte(pb, 0x02);
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return updateSize(pb, pos);
|
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} |
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|
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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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|
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static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack *track) |
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{
|
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int64_t pos = url_ftell(pb); |
| 373 |
|
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put_be32(pb, 0); /* size */ |
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put_tag(pb, "wave");
|
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|
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put_be32(pb, 12); /* size */ |
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put_tag(pb, "frma");
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put_le32(pb, track->tag); |
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|
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if (track->enc->codec_id == CODEC_ID_AAC) {
|
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/* useless atom needed by mplayer, ipod, not needed by quicktime */
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put_be32(pb, 12); /* size */ |
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put_tag(pb, "mp4a");
|
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put_be32(pb, 0);
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mov_write_esds_tag(pb, track); |
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} else if (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) { |
| 392 |
mov_write_ac3_tag(pb, track); |
| 393 |
} else if (track->enc->codec_id == CODEC_ID_ALAC) { |
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mov_write_extradata_tag(pb, track); |
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} |
| 396 |
|
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put_be32(pb, 8); /* size */ |
| 398 |
put_be32(pb, 0); /* null tag */ |
| 399 |
|
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return updateSize(pb, pos);
|
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} |
| 402 |
|
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static int mov_write_glbl_tag(ByteIOContext *pb, MOVTrack *track) |
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{
|
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put_be32(pb, track->vosLen+8);
|
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put_tag(pb, "glbl");
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put_buffer(pb, track->vosData, track->vosLen); |
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return 8+track->vosLen; |
| 409 |
} |
| 410 |
|
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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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| 417 |
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; |
| 421 |
case CODEC_ID_PCM_F32LE:
|
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case CODEC_ID_PCM_F64LE:
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return 9; |
| 424 |
case CODEC_ID_PCM_U8:
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return 10; |
| 426 |
case CODEC_ID_PCM_S16BE:
|
| 427 |
case CODEC_ID_PCM_S24BE:
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case CODEC_ID_PCM_S32BE:
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return 14; |
| 430 |
case CODEC_ID_PCM_S8:
|
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case CODEC_ID_PCM_S16LE:
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case CODEC_ID_PCM_S24LE:
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case CODEC_ID_PCM_S32LE:
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return 12; |
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default:
|
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return 0; |
| 437 |
} |
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} |
| 439 |
|
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static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack *track) |
| 441 |
{
|
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int64_t pos = url_ftell(pb); |
| 443 |
int version = 0; |
| 444 |
uint32_t tag = track->tag; |
| 445 |
|
| 446 |
if (track->mode == MODE_MOV) {
|
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if (track->timescale > UINT16_MAX) {
|
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if (mov_get_lpcm_flags(track->enc->codec_id))
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tag = AV_RL32("lpcm");
|
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version = 2;
|
| 451 |
} else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id)) { |
| 452 |
version = 1;
|
| 453 |
} |
| 454 |
} |
| 455 |
|
| 456 |
put_be32(pb, 0); /* size */ |
| 457 |
put_le32(pb, tag); // store it byteswapped
|
| 458 |
put_be32(pb, 0); /* Reserved */ |
| 459 |
put_be16(pb, 0); /* Reserved */ |
| 460 |
put_be16(pb, 1); /* Data-reference index, XXX == 1 */ |
| 461 |
|
| 462 |
/* SoundDescription */
|
| 463 |
put_be16(pb, version); /* Version */
|
| 464 |
put_be16(pb, 0); /* Revision level */ |
| 465 |
put_be32(pb, 0); /* Reserved */ |
| 466 |
|
| 467 |
if (version == 2) { |
| 468 |
put_be16(pb, 3);
|
| 469 |
put_be16(pb, 16);
|
| 470 |
put_be16(pb, 0xfffe);
|
| 471 |
put_be16(pb, 0);
|
| 472 |
put_be32(pb, 0x00010000);
|
| 473 |
put_be32(pb, 72);
|
| 474 |
put_be64(pb, av_dbl2int(track->timescale)); |
| 475 |
put_be32(pb, track->enc->channels); |
| 476 |
put_be32(pb, 0x7F000000);
|
| 477 |
put_be32(pb, av_get_bits_per_sample(track->enc->codec_id)); |
| 478 |
put_be32(pb, mov_get_lpcm_flags(track->enc->codec_id)); |
| 479 |
put_be32(pb, track->sampleSize); |
| 480 |
put_be32(pb, track->enc->frame_size); |
| 481 |
} else {
|
| 482 |
if (track->mode == MODE_MOV) {
|
| 483 |
put_be16(pb, track->enc->channels); |
| 484 |
if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
|
| 485 |
track->enc->codec_id == CODEC_ID_PCM_S8) |
| 486 |
put_be16(pb, 8); /* bits per sample */ |
| 487 |
else
|
| 488 |
put_be16(pb, 16);
|
| 489 |
put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */ |
| 490 |
} else { /* reserved for mp4/3gp */ |
| 491 |
put_be16(pb, 2);
|
| 492 |
put_be16(pb, 16);
|
| 493 |
put_be16(pb, 0);
|
| 494 |
} |
| 495 |
|
| 496 |
put_be16(pb, 0); /* packet size (= 0) */ |
| 497 |
put_be16(pb, track->timescale); /* Time scale */
|
| 498 |
put_be16(pb, 0); /* Reserved */ |
| 499 |
} |
| 500 |
|
| 501 |
if(version == 1) { /* SoundDescription V1 extended info */ |
| 502 |
put_be32(pb, track->enc->frame_size); /* Samples per packet */
|
| 503 |
put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
|
| 504 |
put_be32(pb, track->sampleSize); /* Bytes per frame */
|
| 505 |
put_be32(pb, 2); /* Bytes per sample */ |
| 506 |
} |
| 507 |
|
| 508 |
if(track->mode == MODE_MOV &&
|
| 509 |
(track->enc->codec_id == CODEC_ID_AAC || |
| 510 |
track->enc->codec_id == CODEC_ID_AC3 || |
| 511 |
track->enc->codec_id == CODEC_ID_AMR_NB || |
| 512 |
track->enc->codec_id == CODEC_ID_ALAC || |
| 513 |
mov_pcm_le_gt16(track->enc->codec_id))) |
| 514 |
mov_write_wave_tag(pb, track); |
| 515 |
else if(track->tag == MKTAG('m','p','4','a')) |
| 516 |
mov_write_esds_tag(pb, track); |
| 517 |
else if(track->enc->codec_id == CODEC_ID_AMR_NB) |
| 518 |
mov_write_amr_tag(pb, track); |
| 519 |
else if(track->enc->codec_id == CODEC_ID_AC3) |
| 520 |
mov_write_ac3_tag(pb, track); |
| 521 |
else if(track->enc->codec_id == CODEC_ID_ALAC) |
| 522 |
mov_write_extradata_tag(pb, track); |
| 523 |
else if(track->vosLen > 0) |
| 524 |
mov_write_glbl_tag(pb, track); |
| 525 |
|
| 526 |
return updateSize(pb, pos);
|
| 527 |
} |
| 528 |
|
| 529 |
static int mov_write_d263_tag(ByteIOContext *pb) |
| 530 |
{
|
| 531 |
put_be32(pb, 0xf); /* size */ |
| 532 |
put_tag(pb, "d263");
|
| 533 |
put_tag(pb, "FFMP");
|
| 534 |
put_byte(pb, 0); /* decoder version */ |
| 535 |
/* FIXME use AVCodecContext level/profile, when encoder will set values */
|
| 536 |
put_byte(pb, 0xa); /* level */ |
| 537 |
put_byte(pb, 0); /* profile */ |
| 538 |
return 0xf; |
| 539 |
} |
| 540 |
|
| 541 |
/* TODO: No idea about these values */
|
| 542 |
static int mov_write_svq3_tag(ByteIOContext *pb) |
| 543 |
{
|
| 544 |
put_be32(pb, 0x15);
|
| 545 |
put_tag(pb, "SMI ");
|
| 546 |
put_tag(pb, "SEQH");
|
| 547 |
put_be32(pb, 0x5);
|
| 548 |
put_be32(pb, 0xe2c0211d);
|
| 549 |
put_be32(pb, 0xc0000000);
|
| 550 |
put_byte(pb, 0);
|
| 551 |
return 0x15; |
| 552 |
} |
| 553 |
|
| 554 |
static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track) |
| 555 |
{
|
| 556 |
int64_t pos = url_ftell(pb); |
| 557 |
|
| 558 |
put_be32(pb, 0);
|
| 559 |
put_tag(pb, "avcC");
|
| 560 |
ff_isom_write_avcc(pb, track->vosData, track->vosLen); |
| 561 |
return updateSize(pb, pos);
|
| 562 |
} |
| 563 |
|
| 564 |
/* also used by all avid codecs (dv, imx, meridien) and their variants */
|
| 565 |
static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track) |
| 566 |
{
|
| 567 |
int i;
|
| 568 |
put_be32(pb, 24); /* size */ |
| 569 |
put_tag(pb, "ACLR");
|
| 570 |
put_tag(pb, "ACLR");
|
| 571 |
put_tag(pb, "0001");
|
| 572 |
put_be32(pb, 1); /* yuv 1 / rgb 2 ? */ |
| 573 |
put_be32(pb, 0); /* unknown */ |
| 574 |
|
| 575 |
put_be32(pb, 24); /* size */ |
| 576 |
put_tag(pb, "APRG");
|
| 577 |
put_tag(pb, "APRG");
|
| 578 |
put_tag(pb, "0001");
|
| 579 |
put_be32(pb, 1); /* unknown */ |
| 580 |
put_be32(pb, 0); /* unknown */ |
| 581 |
|
| 582 |
put_be32(pb, 120); /* size */ |
| 583 |
put_tag(pb, "ARES");
|
| 584 |
put_tag(pb, "ARES");
|
| 585 |
put_tag(pb, "0001");
|
| 586 |
put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */ |
| 587 |
put_be32(pb, track->enc->width); |
| 588 |
/* values below are based on samples created with quicktime and avid codecs */
|
| 589 |
if (track->vosData[5] & 2) { // interlaced |
| 590 |
put_be32(pb, track->enc->height/2);
|
| 591 |
put_be32(pb, 2); /* unknown */ |
| 592 |
put_be32(pb, 0); /* unknown */ |
| 593 |
put_be32(pb, 4); /* unknown */ |
| 594 |
} else {
|
| 595 |
put_be32(pb, track->enc->height); |
| 596 |
put_be32(pb, 1); /* unknown */ |
| 597 |
put_be32(pb, 0); /* unknown */ |
| 598 |
if (track->enc->height == 1080) |
| 599 |
put_be32(pb, 5); /* unknown */ |
| 600 |
else
|
| 601 |
put_be32(pb, 6); /* unknown */ |
| 602 |
} |
| 603 |
/* padding */
|
| 604 |
for (i = 0; i < 10; i++) |
| 605 |
put_be64(pb, 0);
|
| 606 |
|
| 607 |
/* extra padding for stsd needed */
|
| 608 |
put_be32(pb, 0);
|
| 609 |
return 0; |
| 610 |
} |
| 611 |
|
| 612 |
static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track) |
| 613 |
{
|
| 614 |
int tag = track->enc->codec_tag;
|
| 615 |
|
| 616 |
if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
|
| 617 |
return 0; |
| 618 |
|
| 619 |
if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1'); |
| 620 |
else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3'); |
| 621 |
else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c'); |
| 622 |
else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g'); |
| 623 |
else if (track->enc->codec_type == CODEC_TYPE_VIDEO) tag = MKTAG('m','p','4','v'); |
| 624 |
else if (track->enc->codec_type == CODEC_TYPE_AUDIO) tag = MKTAG('m','p','4','a'); |
| 625 |
|
| 626 |
return tag;
|
| 627 |
} |
| 628 |
|
| 629 |
static const AVCodecTag codec_ipod_tags[] = { |
| 630 |
{ CODEC_ID_H264, MKTAG('a','v','c','1') },
|
| 631 |
{ CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
|
| 632 |
{ CODEC_ID_AAC, MKTAG('m','p','4','a') },
|
| 633 |
{ CODEC_ID_ALAC, MKTAG('a','l','a','c') },
|
| 634 |
{ CODEC_ID_AC3, MKTAG('a','c','-','3') },
|
| 635 |
{ CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
|
| 636 |
{ CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
|
| 637 |
{ CODEC_ID_NONE, 0 },
|
| 638 |
}; |
| 639 |
|
| 640 |
static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track) |
| 641 |
{
|
| 642 |
int tag = track->enc->codec_tag;
|
| 643 |
|
| 644 |
// keep original tag for subs, ipod supports both formats
|
| 645 |
if (!(track->enc->codec_type == CODEC_TYPE_SUBTITLE &&
|
| 646 |
(tag == MKTAG('t','x','3','g') || |
| 647 |
tag == MKTAG('t','e','x','t')))) |
| 648 |
tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id); |
| 649 |
|
| 650 |
if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v")) |
| 651 |
av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
|
| 652 |
"Quicktime/Ipod might not play the file\n");
|
| 653 |
|
| 654 |
return tag;
|
| 655 |
} |
| 656 |
|
| 657 |
static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track) |
| 658 |
{
|
| 659 |
int tag;
|
| 660 |
|
| 661 |
if (track->enc->height == 480) /* NTSC */ |
| 662 |
if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n'); |
| 663 |
else tag = MKTAG('d','v','c',' '); |
| 664 |
else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p'); |
| 665 |
else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p'); |
| 666 |
else tag = MKTAG('d','v','p','p'); |
| 667 |
|
| 668 |
return tag;
|
| 669 |
} |
| 670 |
|
| 671 |
static const struct { |
| 672 |
enum PixelFormat pix_fmt;
|
| 673 |
uint32_t tag; |
| 674 |
unsigned bps;
|
| 675 |
} mov_pix_fmt_tags[] = {
|
| 676 |
{ PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
|
| 677 |
{ PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
|
| 678 |
{ PIX_FMT_BGR555, MKTAG('r','a','w',' '), 16 },
|
| 679 |
{ PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
|
| 680 |
{ PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
|
| 681 |
{ PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
|
| 682 |
{ PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
|
| 683 |
{ PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
|
| 684 |
{ PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
|
| 685 |
{ PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
|
| 686 |
{ PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
|
| 687 |
}; |
| 688 |
|
| 689 |
static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track) |
| 690 |
{
|
| 691 |
int tag = track->enc->codec_tag;
|
| 692 |
int i;
|
| 693 |
|
| 694 |
for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) { |
| 695 |
if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
|
| 696 |
tag = mov_pix_fmt_tags[i].tag; |
| 697 |
track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps; |
| 698 |
break;
|
| 699 |
} |
| 700 |
} |
| 701 |
|
| 702 |
return tag;
|
| 703 |
} |
| 704 |
|
| 705 |
static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track) |
| 706 |
{
|
| 707 |
int tag = track->enc->codec_tag;
|
| 708 |
|
| 709 |
if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
|
| 710 |
(tag == MKTAG('d','v','c','p') || |
| 711 |
track->enc->codec_id == CODEC_ID_RAWVIDEO || |
| 712 |
av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
|
| 713 |
if (track->enc->codec_id == CODEC_ID_DVVIDEO)
|
| 714 |
tag = mov_get_dv_codec_tag(s, track); |
| 715 |
else if (track->enc->codec_id == CODEC_ID_RAWVIDEO) |
| 716 |
tag = mov_get_rawvideo_codec_tag(s, track); |
| 717 |
else if (track->enc->codec_type == CODEC_TYPE_VIDEO) { |
| 718 |
tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id); |
| 719 |
if (!tag) { // if no mac fcc found, try with Microsoft tags |
| 720 |
tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id); |
| 721 |
if (tag)
|
| 722 |
av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
|
| 723 |
"the file may be unplayable!\n");
|
| 724 |
} |
| 725 |
} else if (track->enc->codec_type == CODEC_TYPE_AUDIO) { |
| 726 |
tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id); |
| 727 |
if (!tag) { // if no mac fcc found, try with Microsoft tags |
| 728 |
int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
|
| 729 |
if (ms_tag) {
|
| 730 |
tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff)); |
| 731 |
av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
|
| 732 |
"the file may be unplayable!\n");
|
| 733 |
} |
| 734 |
} |
| 735 |
} else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) |
| 736 |
tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id); |
| 737 |
} |
| 738 |
|
| 739 |
return tag;
|
| 740 |
} |
| 741 |
|
| 742 |
static const AVCodecTag codec_3gp_tags[] = { |
| 743 |
{ CODEC_ID_H263, MKTAG('s','2','6','3') },
|
| 744 |
{ CODEC_ID_H264, MKTAG('a','v','c','1') },
|
| 745 |
{ CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
|
| 746 |
{ CODEC_ID_AAC, MKTAG('m','p','4','a') },
|
| 747 |
{ CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
|
| 748 |
{ CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
|
| 749 |
{ CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
|
| 750 |
{ CODEC_ID_NONE, 0 },
|
| 751 |
}; |
| 752 |
|
| 753 |
static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track) |
| 754 |
{
|
| 755 |
int tag = track->enc->codec_tag;
|
| 756 |
|
| 757 |
if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
|
| 758 |
tag = mp4_get_codec_tag(s, track); |
| 759 |
else if (track->mode == MODE_IPOD) |
| 760 |
tag = ipod_get_codec_tag(s, track); |
| 761 |
else if (track->mode & MODE_3GP) |
| 762 |
tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id); |
| 763 |
else
|
| 764 |
tag = mov_get_codec_tag(s, track); |
| 765 |
|
| 766 |
return tag;
|
| 767 |
} |
| 768 |
|
| 769 |
/** Write uuid atom.
|
| 770 |
* Needed to make file play in iPods running newest firmware
|
| 771 |
* goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
|
| 772 |
*/
|
| 773 |
static int mov_write_uuid_tag_ipod(ByteIOContext *pb) |
| 774 |
{
|
| 775 |
put_be32(pb, 28);
|
| 776 |
put_tag(pb, "uuid");
|
| 777 |
put_be32(pb, 0x6b6840f2);
|
| 778 |
put_be32(pb, 0x5f244fc5);
|
| 779 |
put_be32(pb, 0xba39a51b);
|
| 780 |
put_be32(pb, 0xcf0323f3);
|
| 781 |
put_be32(pb, 0x0);
|
| 782 |
return 28; |
| 783 |
} |
| 784 |
|
| 785 |
static int mov_write_subtitle_tag(ByteIOContext *pb, MOVTrack *track) |
| 786 |
{
|
| 787 |
int64_t pos = url_ftell(pb); |
| 788 |
put_be32(pb, 0); /* size */ |
| 789 |
put_le32(pb, track->tag); // store it byteswapped
|
| 790 |
put_be32(pb, 0); /* Reserved */ |
| 791 |
put_be16(pb, 0); /* Reserved */ |
| 792 |
put_be16(pb, 1); /* Data-reference index */ |
| 793 |
|
| 794 |
if (track->enc->extradata_size)
|
| 795 |
put_buffer(pb, track->enc->extradata, track->enc->extradata_size); |
| 796 |
|
| 797 |
return updateSize(pb, pos);
|
| 798 |
} |
| 799 |
|
| 800 |
static int mov_write_video_tag(ByteIOContext *pb, MOVTrack *track) |
| 801 |
{
|
| 802 |
int64_t pos = url_ftell(pb); |
| 803 |
char compressor_name[32]; |
| 804 |
|
| 805 |
put_be32(pb, 0); /* size */ |
| 806 |
put_le32(pb, track->tag); // store it byteswapped
|
| 807 |
put_be32(pb, 0); /* Reserved */ |
| 808 |
put_be16(pb, 0); /* Reserved */ |
| 809 |
put_be16(pb, 1); /* Data-reference index */ |
| 810 |
|
| 811 |
put_be16(pb, 0); /* Codec stream version */ |
| 812 |
put_be16(pb, 0); /* Codec stream revision (=0) */ |
| 813 |
if (track->mode == MODE_MOV) {
|
| 814 |
put_tag(pb, "FFMP"); /* Vendor */ |
| 815 |
if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
|
| 816 |
put_be32(pb, 0); /* Temporal Quality */ |
| 817 |
put_be32(pb, 0x400); /* Spatial Quality = lossless*/ |
| 818 |
} else {
|
| 819 |
put_be32(pb, 0x200); /* Temporal Quality = normal */ |
| 820 |
put_be32(pb, 0x200); /* Spatial Quality = normal */ |
| 821 |
} |
| 822 |
} else {
|
| 823 |
put_be32(pb, 0); /* Reserved */ |
| 824 |
put_be32(pb, 0); /* Reserved */ |
| 825 |
put_be32(pb, 0); /* Reserved */ |
| 826 |
} |
| 827 |
put_be16(pb, track->enc->width); /* Video width */
|
| 828 |
put_be16(pb, track->height); /* Video height */
|
| 829 |
put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */ |
| 830 |
put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */ |
| 831 |
put_be32(pb, 0); /* Data size (= 0) */ |
| 832 |
put_be16(pb, 1); /* Frame count (= 1) */ |
| 833 |
|
| 834 |
memset(compressor_name,0,32); |
| 835 |
/* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
|
| 836 |
if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
|
| 837 |
strncpy(compressor_name,track->enc->codec->name,31);
|
| 838 |
put_byte(pb, strlen(compressor_name)); |
| 839 |
put_buffer(pb, compressor_name, 31);
|
| 840 |
|
| 841 |
if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
|
| 842 |
put_be16(pb, track->enc->bits_per_coded_sample); |
| 843 |
else
|
| 844 |
put_be16(pb, 0x18); /* Reserved */ |
| 845 |
put_be16(pb, 0xffff); /* Reserved */ |
| 846 |
if(track->tag == MKTAG('m','p','4','v')) |
| 847 |
mov_write_esds_tag(pb, track); |
| 848 |
else if(track->enc->codec_id == CODEC_ID_H263) |
| 849 |
mov_write_d263_tag(pb); |
| 850 |
else if(track->enc->codec_id == CODEC_ID_SVQ3) |
| 851 |
mov_write_svq3_tag(pb); |
| 852 |
else if(track->enc->codec_id == CODEC_ID_DNXHD) |
| 853 |
mov_write_avid_tag(pb, track); |
| 854 |
else if(track->enc->codec_id == CODEC_ID_H264) { |
| 855 |
mov_write_avcc_tag(pb, track); |
| 856 |
if(track->mode == MODE_IPOD)
|
| 857 |
mov_write_uuid_tag_ipod(pb); |
| 858 |
} else if(track->vosLen > 0) |
| 859 |
mov_write_glbl_tag(pb, track); |
| 860 |
|
| 861 |
return updateSize(pb, pos);
|
| 862 |
} |
| 863 |
|
| 864 |
static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack *track) |
| 865 |
{
|
| 866 |
int64_t pos = url_ftell(pb); |
| 867 |
put_be32(pb, 0); /* size */ |
| 868 |
put_tag(pb, "stsd");
|
| 869 |
put_be32(pb, 0); /* version & flags */ |
| 870 |
put_be32(pb, 1); /* entry count */ |
| 871 |
if (track->enc->codec_type == CODEC_TYPE_VIDEO)
|
| 872 |
mov_write_video_tag(pb, track); |
| 873 |
else if (track->enc->codec_type == CODEC_TYPE_AUDIO) |
| 874 |
mov_write_audio_tag(pb, track); |
| 875 |
else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) |
| 876 |
mov_write_subtitle_tag(pb, track); |
| 877 |
return updateSize(pb, pos);
|
| 878 |
} |
| 879 |
|
| 880 |
static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack *track) |
| 881 |
{
|
| 882 |
MOVStts *ctts_entries; |
| 883 |
uint32_t entries = 0;
|
| 884 |
uint32_t atom_size; |
| 885 |
int i;
|
| 886 |
|
| 887 |
ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */ |
| 888 |
ctts_entries[0].count = 1; |
| 889 |
ctts_entries[0].duration = track->cluster[0].cts; |
| 890 |
for (i=1; i<track->entry; i++) { |
| 891 |
if (track->cluster[i].cts == ctts_entries[entries].duration) {
|
| 892 |
ctts_entries[entries].count++; /* compress */
|
| 893 |
} else {
|
| 894 |
entries++; |
| 895 |
ctts_entries[entries].duration = track->cluster[i].cts; |
| 896 |
ctts_entries[entries].count = 1;
|
| 897 |
} |
| 898 |
} |
| 899 |
entries++; /* last one */
|
| 900 |
atom_size = 16 + (entries * 8); |
| 901 |
put_be32(pb, atom_size); /* size */
|
| 902 |
put_tag(pb, "ctts");
|
| 903 |
put_be32(pb, 0); /* version & flags */ |
| 904 |
put_be32(pb, entries); /* entry count */
|
| 905 |
for (i=0; i<entries; i++) { |
| 906 |
put_be32(pb, ctts_entries[i].count); |
| 907 |
put_be32(pb, ctts_entries[i].duration); |
| 908 |
} |
| 909 |
av_free(ctts_entries); |
| 910 |
return atom_size;
|
| 911 |
} |
| 912 |
|
| 913 |
/* Time to sample atom */
|
| 914 |
static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack *track) |
| 915 |
{
|
| 916 |
MOVStts *stts_entries; |
| 917 |
uint32_t entries = -1;
|
| 918 |
uint32_t atom_size; |
| 919 |
int i;
|
| 920 |
|
| 921 |
if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) {
|
| 922 |
stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */ |
| 923 |
stts_entries[0].count = track->sampleCount;
|
| 924 |
stts_entries[0].duration = 1; |
| 925 |
entries = 1;
|
| 926 |
} else {
|
| 927 |
stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */ |
| 928 |
for (i=0; i<track->entry; i++) { |
| 929 |
int64_t duration = i + 1 == track->entry ?
|
| 930 |
track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */ |
| 931 |
track->cluster[i+1].dts - track->cluster[i].dts;
|
| 932 |
if (i && duration == stts_entries[entries].duration) {
|
| 933 |
stts_entries[entries].count++; /* compress */
|
| 934 |
} else {
|
| 935 |
entries++; |
| 936 |
stts_entries[entries].duration = duration; |
| 937 |
stts_entries[entries].count = 1;
|
| 938 |
} |
| 939 |
} |
| 940 |
entries++; /* last one */
|
| 941 |
} |
| 942 |
atom_size = 16 + (entries * 8); |
| 943 |
put_be32(pb, atom_size); /* size */
|
| 944 |
put_tag(pb, "stts");
|
| 945 |
put_be32(pb, 0); /* version & flags */ |
| 946 |
put_be32(pb, entries); /* entry count */
|
| 947 |
for (i=0; i<entries; i++) { |
| 948 |
put_be32(pb, stts_entries[i].count); |
| 949 |
put_be32(pb, stts_entries[i].duration); |
| 950 |
} |
| 951 |
av_free(stts_entries); |
| 952 |
return atom_size;
|
| 953 |
} |
| 954 |
|
| 955 |
static int mov_write_dref_tag(ByteIOContext *pb) |
| 956 |
{
|
| 957 |
put_be32(pb, 28); /* size */ |
| 958 |
put_tag(pb, "dref");
|
| 959 |
put_be32(pb, 0); /* version & flags */ |
| 960 |
put_be32(pb, 1); /* entry count */ |
| 961 |
|
| 962 |
put_be32(pb, 0xc); /* size */ |
| 963 |
put_tag(pb, "url ");
|
| 964 |
put_be32(pb, 1); /* version & flags */ |
| 965 |
|
| 966 |
return 28; |
| 967 |
} |
| 968 |
|
| 969 |
static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack *track) |
| 970 |
{
|
| 971 |
int64_t pos = url_ftell(pb); |
| 972 |
put_be32(pb, 0); /* size */ |
| 973 |
put_tag(pb, "stbl");
|
| 974 |
mov_write_stsd_tag(pb, track); |
| 975 |
mov_write_stts_tag(pb, track); |
| 976 |
if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
|
| 977 |
track->hasKeyframes && track->hasKeyframes < track->entry) |
| 978 |
mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE); |
| 979 |
if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
|
| 980 |
mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE); |
| 981 |
if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
|
| 982 |
track->flags & MOV_TRACK_CTTS) |
| 983 |
mov_write_ctts_tag(pb, track); |
| 984 |
mov_write_stsc_tag(pb, track); |
| 985 |
mov_write_stsz_tag(pb, track); |
| 986 |
mov_write_stco_tag(pb, track); |
| 987 |
return updateSize(pb, pos);
|
| 988 |
} |
| 989 |
|
| 990 |
static int mov_write_dinf_tag(ByteIOContext *pb) |
| 991 |
{
|
| 992 |
int64_t pos = url_ftell(pb); |
| 993 |
put_be32(pb, 0); /* size */ |
| 994 |
put_tag(pb, "dinf");
|
| 995 |
mov_write_dref_tag(pb); |
| 996 |
return updateSize(pb, pos);
|
| 997 |
} |
| 998 |
|
| 999 |
static int mov_write_nmhd_tag(ByteIOContext *pb) |
| 1000 |
{
|
| 1001 |
put_be32(pb, 12);
|
| 1002 |
put_tag(pb, "nmhd");
|
| 1003 |
put_be32(pb, 0);
|
| 1004 |
return 12; |
| 1005 |
} |
| 1006 |
|
| 1007 |
static int mov_write_gmhd_tag(ByteIOContext *pb) |
| 1008 |
{
|
| 1009 |
put_be32(pb, 0x20); /* size */ |
| 1010 |
put_tag(pb, "gmhd");
|
| 1011 |
put_be32(pb, 0x18); /* gmin size */ |
| 1012 |
put_tag(pb, "gmin"); /* generic media info */ |
| 1013 |
put_be32(pb, 0); /* version & flags */ |
| 1014 |
put_be16(pb, 0x40); /* graphics mode = */ |
| 1015 |
put_be16(pb, 0x8000); /* opColor (r?) */ |
| 1016 |
put_be16(pb, 0x8000); /* opColor (g?) */ |
| 1017 |
put_be16(pb, 0x8000); /* opColor (b?) */ |
| 1018 |
put_be16(pb, 0); /* balance */ |
| 1019 |
put_be16(pb, 0); /* reserved */ |
| 1020 |
return 0x20; |
| 1021 |
} |
| 1022 |
|
| 1023 |
static int mov_write_smhd_tag(ByteIOContext *pb) |
| 1024 |
{
|
| 1025 |
put_be32(pb, 16); /* size */ |
| 1026 |
put_tag(pb, "smhd");
|
| 1027 |
put_be32(pb, 0); /* version & flags */ |
| 1028 |
put_be16(pb, 0); /* reserved (balance, normally = 0) */ |
| 1029 |
put_be16(pb, 0); /* reserved */ |
| 1030 |
return 16; |
| 1031 |
} |
| 1032 |
|
| 1033 |
static int mov_write_vmhd_tag(ByteIOContext *pb) |
| 1034 |
{
|
| 1035 |
put_be32(pb, 0x14); /* size (always 0x14) */ |
| 1036 |
put_tag(pb, "vmhd");
|
| 1037 |
put_be32(pb, 0x01); /* version & flags */ |
| 1038 |
put_be64(pb, 0); /* reserved (graphics mode = copy) */ |
| 1039 |
return 0x14; |
| 1040 |
} |
| 1041 |
|
| 1042 |
static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack *track) |
| 1043 |
{
|
| 1044 |
const char *hdlr, *descr = NULL, *hdlr_type = NULL; |
| 1045 |
int64_t pos = url_ftell(pb); |
| 1046 |
|
| 1047 |
if (!track) { /* no media --> data handler */ |
| 1048 |
hdlr = "dhlr";
|
| 1049 |
hdlr_type = "url ";
|
| 1050 |
descr = "DataHandler";
|
| 1051 |
} else {
|
| 1052 |
hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0"; |
| 1053 |
if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
|
| 1054 |
hdlr_type = "vide";
|
| 1055 |
descr = "VideoHandler";
|
| 1056 |
} else if (track->enc->codec_type == CODEC_TYPE_AUDIO) { |
| 1057 |
hdlr_type = "soun";
|
| 1058 |
descr = "SoundHandler";
|
| 1059 |
} else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) { |
| 1060 |
if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl"; |
| 1061 |
else hdlr_type = "text"; |
| 1062 |
descr = "SubtitleHandler";
|
| 1063 |
} |
| 1064 |
} |
| 1065 |
|
| 1066 |
put_be32(pb, 0); /* size */ |
| 1067 |
put_tag(pb, "hdlr");
|
| 1068 |
put_be32(pb, 0); /* Version & flags */ |
| 1069 |
put_buffer(pb, hdlr, 4); /* handler */ |
| 1070 |
put_tag(pb, hdlr_type); /* handler type */
|
| 1071 |
put_be32(pb ,0); /* reserved */ |
| 1072 |
put_be32(pb ,0); /* reserved */ |
| 1073 |
put_be32(pb ,0); /* reserved */ |
| 1074 |
if (!track || track->mode == MODE_MOV)
|
| 1075 |
put_byte(pb, strlen(descr)); /* pascal string */
|
| 1076 |
put_buffer(pb, descr, strlen(descr)); /* handler description */
|
| 1077 |
if (track && track->mode != MODE_MOV)
|
| 1078 |
put_byte(pb, 0); /* c string */ |
| 1079 |
return updateSize(pb, pos);
|
| 1080 |
} |
| 1081 |
|
| 1082 |
static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack *track) |
| 1083 |
{
|
| 1084 |
int64_t pos = url_ftell(pb); |
| 1085 |
put_be32(pb, 0); /* size */ |
| 1086 |
put_tag(pb, "minf");
|
| 1087 |
if(track->enc->codec_type == CODEC_TYPE_VIDEO)
|
| 1088 |
mov_write_vmhd_tag(pb); |
| 1089 |
else if (track->enc->codec_type == CODEC_TYPE_AUDIO) |
| 1090 |
mov_write_smhd_tag(pb); |
| 1091 |
else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) { |
| 1092 |
if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb); |
| 1093 |
else mov_write_nmhd_tag(pb);
|
| 1094 |
} |
| 1095 |
if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */ |
| 1096 |
mov_write_hdlr_tag(pb, NULL);
|
| 1097 |
mov_write_dinf_tag(pb); |
| 1098 |
mov_write_stbl_tag(pb, track); |
| 1099 |
return updateSize(pb, pos);
|
| 1100 |
} |
| 1101 |
|
| 1102 |
static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack *track) |
| 1103 |
{
|
| 1104 |
int version = track->trackDuration < INT32_MAX ? 0 : 1; |
| 1105 |
|
| 1106 |
(version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */ |
| 1107 |
put_tag(pb, "mdhd");
|
| 1108 |
put_byte(pb, version); |
| 1109 |
put_be24(pb, 0); /* flags */ |
| 1110 |
if (version == 1) { |
| 1111 |
put_be64(pb, track->time); |
| 1112 |
put_be64(pb, track->time); |
| 1113 |
} else {
|
| 1114 |
put_be32(pb, track->time); /* creation time */
|
| 1115 |
put_be32(pb, track->time); /* modification time */
|
| 1116 |
} |
| 1117 |
put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
|
| 1118 |
(version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */ |
| 1119 |
put_be16(pb, track->language); /* language */
|
| 1120 |
put_be16(pb, 0); /* reserved (quality) */ |
| 1121 |
|
| 1122 |
if(version!=0 && track->mode == MODE_MOV){ |
| 1123 |
av_log(NULL, AV_LOG_ERROR,
|
| 1124 |
"FATAL error, file duration too long for timebase, this file will not be\n"
|
| 1125 |
"playable with quicktime. Choose a different timebase or a different\n"
|
| 1126 |
"container format\n");
|
| 1127 |
} |
| 1128 |
|
| 1129 |
return 32; |
| 1130 |
} |
| 1131 |
|
| 1132 |
static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack *track) |
| 1133 |
{
|
| 1134 |
int64_t pos = url_ftell(pb); |
| 1135 |
put_be32(pb, 0); /* size */ |
| 1136 |
put_tag(pb, "mdia");
|
| 1137 |
mov_write_mdhd_tag(pb, track); |
| 1138 |
mov_write_hdlr_tag(pb, track); |
| 1139 |
mov_write_minf_tag(pb, track); |
| 1140 |
return updateSize(pb, pos);
|
| 1141 |
} |
| 1142 |
|
| 1143 |
static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st) |
| 1144 |
{
|
| 1145 |
int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE, |
| 1146 |
track->timescale, AV_ROUND_UP); |
| 1147 |
int version = duration < INT32_MAX ? 0 : 1; |
| 1148 |
|
| 1149 |
(version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */ |
| 1150 |
put_tag(pb, "tkhd");
|
| 1151 |
put_byte(pb, version); |
| 1152 |
put_be24(pb, 0xf); /* flags (track enabled) */ |
| 1153 |
if (version == 1) { |
| 1154 |
put_be64(pb, track->time); |
| 1155 |
put_be64(pb, track->time); |
| 1156 |
} else {
|
| 1157 |
put_be32(pb, track->time); /* creation time */
|
| 1158 |
put_be32(pb, track->time); /* modification time */
|
| 1159 |
} |
| 1160 |
put_be32(pb, track->trackID); /* track-id */
|
| 1161 |
put_be32(pb, 0); /* reserved */ |
| 1162 |
(version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
|
| 1163 |
|
| 1164 |
put_be32(pb, 0); /* reserved */ |
| 1165 |
put_be32(pb, 0); /* reserved */ |
| 1166 |
put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */ |
| 1167 |
/* Volume, only for audio */
|
| 1168 |
if(track->enc->codec_type == CODEC_TYPE_AUDIO)
|
| 1169 |
put_be16(pb, 0x0100);
|
| 1170 |
else
|
| 1171 |
put_be16(pb, 0);
|
| 1172 |
put_be16(pb, 0); /* reserved */ |
| 1173 |
|
| 1174 |
/* Matrix structure */
|
| 1175 |
put_be32(pb, 0x00010000); /* reserved */ |
| 1176 |
put_be32(pb, 0x0); /* reserved */ |
| 1177 |
put_be32(pb, 0x0); /* reserved */ |
| 1178 |
put_be32(pb, 0x0); /* reserved */ |
| 1179 |
put_be32(pb, 0x00010000); /* reserved */ |
| 1180 |
put_be32(pb, 0x0); /* reserved */ |
| 1181 |
put_be32(pb, 0x0); /* reserved */ |
| 1182 |
put_be32(pb, 0x0); /* reserved */ |
| 1183 |
put_be32(pb, 0x40000000); /* reserved */ |
| 1184 |
|
| 1185 |
/* Track width and height, for visual only */
|
| 1186 |
if(track->enc->codec_type == CODEC_TYPE_VIDEO ||
|
| 1187 |
track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
|
| 1188 |
double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
|
| 1189 |
if(!sample_aspect_ratio || track->height != track->enc->height)
|
| 1190 |
sample_aspect_ratio = 1;
|
| 1191 |
put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
|
| 1192 |
put_be32(pb, track->height*0x10000);
|
| 1193 |
} |
| 1194 |
else {
|
| 1195 |
put_be32(pb, 0);
|
| 1196 |
put_be32(pb, 0);
|
| 1197 |
} |
| 1198 |
return 0x5c; |
| 1199 |
} |
| 1200 |
|
| 1201 |
// This box seems important for the psp playback ... without it the movie seems to hang
|
| 1202 |
static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track) |
| 1203 |
{
|
| 1204 |
put_be32(pb, 0x24); /* size */ |
| 1205 |
put_tag(pb, "edts");
|
| 1206 |
put_be32(pb, 0x1c); /* size */ |
| 1207 |
put_tag(pb, "elst");
|
| 1208 |
put_be32(pb, 0x0);
|
| 1209 |
put_be32(pb, 0x1);
|
| 1210 |
|
| 1211 |
/* duration ... doesn't seem to effect psp */
|
| 1212 |
put_be32(pb, av_rescale_rnd(track->trackDuration, MOV_TIMESCALE, |
| 1213 |
track->timescale, AV_ROUND_UP)); |
| 1214 |
|
| 1215 |
put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */ |
| 1216 |
put_be32(pb, 0x00010000);
|
| 1217 |
return 0x24; |
| 1218 |
} |
| 1219 |
|
| 1220 |
// goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
|
| 1221 |
static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov) |
| 1222 |
{
|
| 1223 |
put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */ |
| 1224 |
put_tag(pb, "uuid");
|
| 1225 |
put_tag(pb, "USMT");
|
| 1226 |
put_be32(pb, 0x21d24fce);
|
| 1227 |
put_be32(pb, 0xbb88695c);
|
| 1228 |
put_be32(pb, 0xfac9c740);
|
| 1229 |
put_be32(pb, 0x1c); // another size here! |
| 1230 |
put_tag(pb, "MTDT");
|
| 1231 |
put_be32(pb, 0x00010012);
|
| 1232 |
put_be32(pb, 0x0a);
|
| 1233 |
put_be32(pb, 0x55c40000);
|
| 1234 |
put_be32(pb, 0x1);
|
| 1235 |
put_be32(pb, 0x0);
|
| 1236 |
return 0x34; |
| 1237 |
} |
| 1238 |
|
| 1239 |
static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st) |
| 1240 |
{
|
| 1241 |
int64_t pos = url_ftell(pb); |
| 1242 |
put_be32(pb, 0); /* size */ |
| 1243 |
put_tag(pb, "trak");
|
| 1244 |
mov_write_tkhd_tag(pb, track, st); |
| 1245 |
if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS)
|
| 1246 |
mov_write_edts_tag(pb, track); // PSP Movies require edts box
|
| 1247 |
mov_write_mdia_tag(pb, track); |
| 1248 |
if (track->mode == MODE_PSP)
|
| 1249 |
mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
|
| 1250 |
return updateSize(pb, pos);
|
| 1251 |
} |
| 1252 |
|
| 1253 |
#if 0
|
| 1254 |
/* TODO: Not sorted out, but not necessary either */
|
| 1255 |
static int mov_write_iods_tag(ByteIOContext *pb, MOVMuxContext *mov)
|
| 1256 |
{
|
| 1257 |
put_be32(pb, 0x15); /* size */
|
| 1258 |
put_tag(pb, "iods");
|
| 1259 |
put_be32(pb, 0); /* version & flags */
|
| 1260 |
put_be16(pb, 0x1007);
|
| 1261 |
put_byte(pb, 0);
|
| 1262 |
put_be16(pb, 0x4fff);
|
| 1263 |
put_be16(pb, 0xfffe);
|
| 1264 |
put_be16(pb, 0x01ff);
|
| 1265 |
return 0x15;
|
| 1266 |
}
|
| 1267 |
#endif
|
| 1268 |
|
| 1269 |
static int mov_write_mvhd_tag(ByteIOContext *pb, MOVMuxContext *mov) |
| 1270 |
{
|
| 1271 |
int maxTrackID = 1, i; |
| 1272 |
int64_t maxTrackLenTemp, maxTrackLen = 0;
|
| 1273 |
int version;
|
| 1274 |
|
| 1275 |
for (i=0; i<mov->nb_streams; i++) { |
| 1276 |
if(mov->tracks[i].entry > 0) { |
| 1277 |
maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, |
| 1278 |
MOV_TIMESCALE, |
| 1279 |
mov->tracks[i].timescale, |
| 1280 |
AV_ROUND_UP); |
| 1281 |
if(maxTrackLen < maxTrackLenTemp)
|
| 1282 |
maxTrackLen = maxTrackLenTemp; |
| 1283 |
if(maxTrackID < mov->tracks[i].trackID)
|
| 1284 |
maxTrackID = mov->tracks[i].trackID; |
| 1285 |
} |
| 1286 |
} |
| 1287 |
|
| 1288 |
version = maxTrackLen < UINT32_MAX ? 0 : 1; |
| 1289 |
(version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */ |
| 1290 |
put_tag(pb, "mvhd");
|
| 1291 |
put_byte(pb, version); |
| 1292 |
put_be24(pb, 0); /* flags */ |
| 1293 |
if (version == 1) { |
| 1294 |
put_be64(pb, mov->time); |
| 1295 |
put_be64(pb, mov->time); |
| 1296 |
} else {
|
| 1297 |
put_be32(pb, mov->time); /* creation time */
|
| 1298 |
put_be32(pb, mov->time); /* modification time */
|
| 1299 |
} |
| 1300 |
put_be32(pb, MOV_TIMESCALE); |
| 1301 |
(version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */ |
| 1302 |
|
| 1303 |
put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */ |
| 1304 |
put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */ |
| 1305 |
put_be16(pb, 0); /* reserved */ |
| 1306 |
put_be32(pb, 0); /* reserved */ |
| 1307 |
put_be32(pb, 0); /* reserved */ |
| 1308 |
|
| 1309 |
/* Matrix structure */
|
| 1310 |
put_be32(pb, 0x00010000); /* reserved */ |
| 1311 |
put_be32(pb, 0x0); /* reserved */ |
| 1312 |
put_be32(pb, 0x0); /* reserved */ |
| 1313 |
put_be32(pb, 0x0); /* reserved */ |
| 1314 |
put_be32(pb, 0x00010000); /* reserved */ |
| 1315 |
put_be32(pb, 0x0); /* reserved */ |
| 1316 |
put_be32(pb, 0x0); /* reserved */ |
| 1317 |
put_be32(pb, 0x0); /* reserved */ |
| 1318 |
put_be32(pb, 0x40000000); /* reserved */ |
| 1319 |
|
| 1320 |
put_be32(pb, 0); /* reserved (preview time) */ |
| 1321 |
put_be32(pb, 0); /* reserved (preview duration) */ |
| 1322 |
put_be32(pb, 0); /* reserved (poster time) */ |
| 1323 |
put_be32(pb, 0); /* reserved (selection time) */ |
| 1324 |
put_be32(pb, 0); /* reserved (selection duration) */ |
| 1325 |
put_be32(pb, 0); /* reserved (current time) */ |
| 1326 |
put_be32(pb, maxTrackID+1); /* Next track id */ |
| 1327 |
return 0x6c; |
| 1328 |
} |
| 1329 |
|
| 1330 |
static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVMuxContext *mov, |
| 1331 |
AVFormatContext *s) |
| 1332 |
{
|
| 1333 |
int64_t pos = url_ftell(pb); |
| 1334 |
put_be32(pb, 0); /* size */ |
| 1335 |
put_tag(pb, "hdlr");
|
| 1336 |
put_be32(pb, 0);
|
| 1337 |
put_be32(pb, 0);
|
| 1338 |
put_tag(pb, "mdir");
|
| 1339 |
put_tag(pb, "appl");
|
| 1340 |
put_be32(pb, 0);
|
| 1341 |
put_be32(pb, 0);
|
| 1342 |
put_byte(pb, 0);
|
| 1343 |
return updateSize(pb, pos);
|
| 1344 |
} |
| 1345 |
|
| 1346 |
/* helper function to write a data tag with the specified string as data */
|
| 1347 |
static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int lang, int long_style) |
| 1348 |
{
|
| 1349 |
if(long_style){
|
| 1350 |
int64_t pos = url_ftell(pb); |
| 1351 |
put_be32(pb, 0); /* size */ |
| 1352 |
put_tag(pb, "data");
|
| 1353 |
put_be32(pb, 1);
|
| 1354 |
put_be32(pb, 0);
|
| 1355 |
put_buffer(pb, data, strlen(data)); |
| 1356 |
return updateSize(pb, pos);
|
| 1357 |
}else{
|
| 1358 |
put_be16(pb, strlen(data)); /* string length */
|
| 1359 |
put_be16(pb, lang); |
| 1360 |
put_buffer(pb, data, strlen(data)); |
| 1361 |
return strlen(data) + 4; |
| 1362 |
} |
| 1363 |
} |
| 1364 |
|
| 1365 |
static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int lang, int long_style){ |
| 1366 |
int size = 0; |
| 1367 |
if (value && value[0]) { |
| 1368 |
int64_t pos = url_ftell(pb); |
| 1369 |
put_be32(pb, 0); /* size */ |
| 1370 |
put_tag(pb, name); |
| 1371 |
mov_write_string_data_tag(pb, value, lang, long_style); |
| 1372 |
size= updateSize(pb, pos); |
| 1373 |
} |
| 1374 |
return size;
|
| 1375 |
} |
| 1376 |
|
| 1377 |
static int mov_write_string_metadata(AVFormatContext *s, ByteIOContext *pb, |
| 1378 |
const char *name, const char *tag, |
| 1379 |
int long_style)
|
| 1380 |
{
|
| 1381 |
int l, lang = 0, len, len2; |
| 1382 |
AVMetadataTag *t, *t2 = NULL;
|
| 1383 |
char tag2[16]; |
| 1384 |
|
| 1385 |
if (!(t = av_metadata_get(s->metadata, tag, NULL, 0))) |
| 1386 |
return 0; |
| 1387 |
|
| 1388 |
len = strlen(t->key); |
| 1389 |
snprintf(tag2, sizeof(tag2), "%s-", tag); |
| 1390 |
while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) {
|
| 1391 |
len2 = strlen(t2->key); |
| 1392 |
if (len2 == len+4 && !strcmp(t->value, t2->value) |
| 1393 |
&& (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) { |
| 1394 |
lang = l; |
| 1395 |
break;
|
| 1396 |
} |
| 1397 |
} |
| 1398 |
if (!lang)
|
| 1399 |
lang = ff_mov_iso639_to_lang("und", 1); |
| 1400 |
return mov_write_string_tag(pb, name, t->value, lang, long_style);
|
| 1401 |
} |
| 1402 |
|
| 1403 |
/* iTunes track number */
|
| 1404 |
static int mov_write_trkn_tag(ByteIOContext *pb, MOVMuxContext *mov, |
| 1405 |
AVFormatContext *s) |
| 1406 |
{
|
| 1407 |
AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0); |
| 1408 |
int size = 0, track = t ? atoi(t->value) : 0; |
| 1409 |
if (track) {
|
| 1410 |
int64_t pos = url_ftell(pb); |
| 1411 |
put_be32(pb, 0); /* size */ |
| 1412 |
put_tag(pb, "trkn");
|
| 1413 |
{
|
| 1414 |
int64_t pos = url_ftell(pb); |
| 1415 |
put_be32(pb, 0); /* size */ |
| 1416 |
put_tag(pb, "data");
|
| 1417 |
put_be32(pb, 0); // 8 bytes empty |
| 1418 |
put_be32(pb, 0);
|
| 1419 |
put_be16(pb, 0); // empty |
| 1420 |
put_be16(pb, track); // track number
|
| 1421 |
put_be16(pb, 0); // total track number |
| 1422 |
put_be16(pb, 0); // empty |
| 1423 |
updateSize(pb, pos); |
| 1424 |
} |
| 1425 |
size = updateSize(pb, pos); |
| 1426 |
} |
| 1427 |
return size;
|
| 1428 |
} |
| 1429 |
|
| 1430 |
/* iTunes meta data list */
|
| 1431 |
static int mov_write_ilst_tag(ByteIOContext *pb, MOVMuxContext *mov, |
| 1432 |
AVFormatContext *s) |
| 1433 |
{
|
| 1434 |
int64_t pos = url_ftell(pb); |
| 1435 |
put_be32(pb, 0); /* size */ |
| 1436 |
put_tag(pb, "ilst");
|
| 1437 |
mov_write_string_metadata(s, pb, "\251nam", "title" , 1); |
| 1438 |
mov_write_string_metadata(s, pb, "\251ART", "author" , 1); |
| 1439 |
mov_write_string_metadata(s, pb, "aART", "album_artist", 1); |
| 1440 |
mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1); |
| 1441 |
mov_write_string_metadata(s, pb, "\251alb", "album" , 1); |
| 1442 |
mov_write_string_metadata(s, pb, "\251day", "date" , 1); |
| 1443 |
mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1); |
| 1444 |
mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1); |
| 1445 |
mov_write_string_metadata(s, pb, "\251gen", "genre" , 1); |
| 1446 |
mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1); |
| 1447 |
mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1); |
| 1448 |
mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1); |
| 1449 |
mov_write_string_metadata(s, pb, "desc", "description",1); |
| 1450 |
mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1); |
| 1451 |
mov_write_string_metadata(s, pb, "tvsh", "show" , 1); |
| 1452 |
mov_write_string_metadata(s, pb, "tven", "episode_id",1); |
| 1453 |
mov_write_string_metadata(s, pb, "tvnn", "network" , 1); |
| 1454 |
mov_write_trkn_tag(pb, mov, s); |
| 1455 |
return updateSize(pb, pos);
|
| 1456 |
} |
| 1457 |
|
| 1458 |
/* iTunes meta data tag */
|
| 1459 |
static int mov_write_meta_tag(ByteIOContext *pb, MOVMuxContext *mov, |
| 1460 |
AVFormatContext *s) |
| 1461 |
{
|
| 1462 |
int size = 0; |
| 1463 |
int64_t pos = url_ftell(pb); |
| 1464 |
put_be32(pb, 0); /* size */ |
| 1465 |
put_tag(pb, "meta");
|
| 1466 |
put_be32(pb, 0);
|
| 1467 |
mov_write_itunes_hdlr_tag(pb, mov, s); |
| 1468 |
mov_write_ilst_tag(pb, mov, s); |
| 1469 |
size = updateSize(pb, pos); |
| 1470 |
return size;
|
| 1471 |
} |
| 1472 |
|
| 1473 |
static int utf8len(const uint8_t *b) |
| 1474 |
{
|
| 1475 |
int len=0; |
| 1476 |
int val;
|
| 1477 |
while(*b){
|
| 1478 |
GET_UTF8(val, *b++, return -1;) |
| 1479 |
len++; |
| 1480 |
} |
| 1481 |
return len;
|
| 1482 |
} |
| 1483 |
|
| 1484 |
static int ascii_to_wc(ByteIOContext *pb, const uint8_t *b) |
| 1485 |
{
|
| 1486 |
int val;
|
| 1487 |
while(*b){
|
| 1488 |
GET_UTF8(val, *b++, return -1;) |
| 1489 |
put_be16(pb, val); |
| 1490 |
} |
| 1491 |
put_be16(pb, 0x00);
|
| 1492 |
return 0; |
| 1493 |
} |
| 1494 |
|
| 1495 |
static uint16_t language_code(const char *str) |
| 1496 |
{
|
| 1497 |
return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F); |
| 1498 |
} |
| 1499 |
|
| 1500 |
static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s, |
| 1501 |
const char *tag, const char *str) |
| 1502 |
{
|
| 1503 |
int64_t pos = url_ftell(pb); |
| 1504 |
AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0); |
| 1505 |
if (!t || !utf8len(t->value))
|
| 1506 |
return 0; |
| 1507 |
put_be32(pb, 0); /* size */ |
| 1508 |
put_tag (pb, tag); /* type */
|
| 1509 |
put_be32(pb, 0); /* version + flags */ |
| 1510 |
if (!strcmp(tag, "yrrc")) |
| 1511 |
put_be16(pb, atoi(t->value)); |
| 1512 |
else {
|
| 1513 |
put_be16(pb, language_code("eng")); /* language */ |
| 1514 |
put_buffer(pb, t->value, strlen(t->value)+1); /* UTF8 string value */ |
| 1515 |
if (!strcmp(tag, "albm") && |
| 1516 |
(t = av_metadata_get(s->metadata, "date", NULL, 0))) |
| 1517 |
put_byte(pb, atoi(t->value)); |
| 1518 |
} |
| 1519 |
return updateSize(pb, pos);
|
| 1520 |
} |
| 1521 |
|
| 1522 |
static int mov_write_udta_tag(ByteIOContext *pb, MOVMuxContext *mov, |
| 1523 |
AVFormatContext *s) |
| 1524 |
{
|
| 1525 |
ByteIOContext *pb_buf; |
| 1526 |
int i, ret, size;
|
| 1527 |
uint8_t *buf; |
| 1528 |
|
| 1529 |
for (i = 0; i < s->nb_streams; i++) |
| 1530 |
if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
|
| 1531 |
return 0; |
| 1532 |
} |
| 1533 |
|
| 1534 |
ret = url_open_dyn_buf(&pb_buf); |
| 1535 |
if(ret < 0) |
| 1536 |
return ret;
|
| 1537 |
|
| 1538 |
if (mov->mode & MODE_3GP) {
|
| 1539 |
mov_write_3gp_udta_tag(pb_buf, s, "titl", "title"); |
| 1540 |
mov_write_3gp_udta_tag(pb_buf, s, "auth", "author"); |
| 1541 |
mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre"); |
| 1542 |
mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment"); |
| 1543 |
mov_write_3gp_udta_tag(pb_buf, s, "albm", "album"); |
| 1544 |
mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright"); |
| 1545 |
mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date"); |
| 1546 |
} else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4 |
| 1547 |
mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0); |
| 1548 |
mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0); |
| 1549 |
mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0); |
| 1550 |
mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0); |
| 1551 |
mov_write_string_tag(pb_buf, "\251enc", LIBAVFORMAT_IDENT, 0, 0); |
| 1552 |
mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0); |
| 1553 |
mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0); |
| 1554 |
mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0); |
| 1555 |
} else {
|
| 1556 |
/* iTunes meta data */
|
| 1557 |
mov_write_meta_tag(pb_buf, mov, s); |
| 1558 |
} |
| 1559 |
|
| 1560 |
if ((size = url_close_dyn_buf(pb_buf, &buf)) > 0) { |
| 1561 |
put_be32(pb, size+8);
|
| 1562 |
put_tag(pb, "udta");
|
| 1563 |
put_buffer(pb, buf, size); |
| 1564 |
av_free(buf); |
| 1565 |
} |
| 1566 |
|
| 1567 |
return 0; |
| 1568 |
} |
| 1569 |
|
| 1570 |
static void mov_write_psp_udta_tag(ByteIOContext *pb, |
| 1571 |
const char *str, const char *lang, int type) |
| 1572 |
{
|
| 1573 |
int len = utf8len(str)+1; |
| 1574 |
if(len<=0) |
| 1575 |
return;
|
| 1576 |
put_be16(pb, len*2+10); /* size */ |
| 1577 |
put_be32(pb, type); /* type */
|
| 1578 |
put_be16(pb, language_code(lang)); /* language */
|
| 1579 |
put_be16(pb, 0x01); /* ? */ |
| 1580 |
ascii_to_wc(pb, str); |
| 1581 |
} |
| 1582 |
|
| 1583 |
static int mov_write_uuidusmt_tag(ByteIOContext *pb, AVFormatContext *s) |
| 1584 |
{
|
| 1585 |
AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0); |
| 1586 |
int64_t pos, pos2; |
| 1587 |
|
| 1588 |
if (title) {
|
| 1589 |
pos = url_ftell(pb); |
| 1590 |
put_be32(pb, 0); /* size placeholder*/ |
| 1591 |
put_tag(pb, "uuid");
|
| 1592 |
put_tag(pb, "USMT");
|
| 1593 |
put_be32(pb, 0x21d24fce); /* 96 bit UUID */ |
| 1594 |
put_be32(pb, 0xbb88695c);
|
| 1595 |
put_be32(pb, 0xfac9c740);
|
| 1596 |
|
| 1597 |
pos2 = url_ftell(pb); |
| 1598 |
put_be32(pb, 0); /* size placeholder*/ |
| 1599 |
put_tag(pb, "MTDT");
|
| 1600 |
put_be16(pb, 4);
|
| 1601 |
|
| 1602 |
// ?
|
| 1603 |
put_be16(pb, 0x0C); /* size */ |
| 1604 |
put_be32(pb, 0x0B); /* type */ |
| 1605 |
put_be16(pb, language_code("und")); /* language */ |
| 1606 |
put_be16(pb, 0x0); /* ? */ |
| 1607 |
put_be16(pb, 0x021C); /* data */ |
| 1608 |
|
| 1609 |
mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04); |
| 1610 |
mov_write_psp_udta_tag(pb, title->value, "eng", 0x01); |
| 1611 |
// 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);
|
| 1612 |
mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03); |
| 1613 |
|
| 1614 |
updateSize(pb, pos2); |
| 1615 |
return updateSize(pb, pos);
|
| 1616 |
} |
| 1617 |
|
| 1618 |
return 0; |
| 1619 |
} |
| 1620 |
|
| 1621 |
static int mov_write_moov_tag(ByteIOContext *pb, MOVMuxContext *mov, |
| 1622 |
AVFormatContext *s) |
| 1623 |
{
|
| 1624 |
int i;
|
| 1625 |
int64_t pos = url_ftell(pb); |
| 1626 |
put_be32(pb, 0); /* size placeholder*/ |
| 1627 |
put_tag(pb, "moov");
|
| 1628 |
|
| 1629 |
for (i=0; i<mov->nb_streams; i++) { |
| 1630 |
if(mov->tracks[i].entry <= 0) continue; |
| 1631 |
|
| 1632 |
mov->tracks[i].time = mov->time; |
| 1633 |
mov->tracks[i].trackID = i+1;
|
| 1634 |
} |
| 1635 |
|
| 1636 |
mov_write_mvhd_tag(pb, mov); |
| 1637 |
//mov_write_iods_tag(pb, mov);
|
| 1638 |
for (i=0; i<mov->nb_streams; i++) { |
| 1639 |
if(mov->tracks[i].entry > 0) { |
| 1640 |
mov_write_trak_tag(pb, &(mov->tracks[i]), s->streams[i]); |
| 1641 |
} |
| 1642 |
} |
| 1643 |
|
| 1644 |
if (mov->mode == MODE_PSP)
|
| 1645 |
mov_write_uuidusmt_tag(pb, s); |
| 1646 |
else
|
| 1647 |
mov_write_udta_tag(pb, mov, s); |
| 1648 |
|
| 1649 |
return updateSize(pb, pos);
|
| 1650 |
} |
| 1651 |
|
| 1652 |
static int mov_write_mdat_tag(ByteIOContext *pb, MOVMuxContext *mov) |
| 1653 |
{
|
| 1654 |
put_be32(pb, 8); // placeholder for extended size field (64 bit) |
| 1655 |
put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free"); |
| 1656 |
|
| 1657 |
mov->mdat_pos = url_ftell(pb); |
| 1658 |
put_be32(pb, 0); /* size placeholder*/ |
| 1659 |
put_tag(pb, "mdat");
|
| 1660 |
return 0; |
| 1661 |
} |
| 1662 |
|
| 1663 |
/* TODO: This needs to be more general */
|
| 1664 |
static int mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s) |
| 1665 |
{
|
| 1666 |
MOVMuxContext *mov = s->priv_data; |
| 1667 |
int64_t pos = url_ftell(pb); |
| 1668 |
int has_h264 = 0, has_video = 0; |
| 1669 |
int minor = 0x200; |
| 1670 |
int i;
|
| 1671 |
|
| 1672 |
for (i = 0; i < s->nb_streams; i++) { |
| 1673 |
AVStream *st = s->streams[i]; |
| 1674 |
if (st->codec->codec_type == CODEC_TYPE_VIDEO)
|
| 1675 |
has_video = 1;
|
| 1676 |
if (st->codec->codec_id == CODEC_ID_H264)
|
| 1677 |
has_h264 = 1;
|
| 1678 |
} |
| 1679 |
|
| 1680 |
put_be32(pb, 0); /* size */ |
| 1681 |
put_tag(pb, "ftyp");
|
| 1682 |
|
| 1683 |
if (mov->mode == MODE_3GP) {
|
| 1684 |
put_tag(pb, has_h264 ? "3gp6" : "3gp4"); |
| 1685 |
minor = has_h264 ? 0x100 : 0x200; |
| 1686 |
} else if (mov->mode & MODE_3G2) { |
| 1687 |
put_tag(pb, has_h264 ? "3g2b" : "3g2a"); |
| 1688 |
minor = has_h264 ? 0x20000 : 0x10000; |
| 1689 |
}else if (mov->mode == MODE_PSP) |
| 1690 |
put_tag(pb, "MSNV");
|
| 1691 |
else if (mov->mode == MODE_MP4) |
| 1692 |
put_tag(pb, "isom");
|
| 1693 |
else if (mov->mode == MODE_IPOD) |
| 1694 |
put_tag(pb, has_video ? "M4V ":"M4A "); |
| 1695 |
else
|
| 1696 |
put_tag(pb, "qt ");
|
| 1697 |
|
| 1698 |
put_be32(pb, minor); |
| 1699 |
|
| 1700 |
if(mov->mode == MODE_MOV)
|
| 1701 |
put_tag(pb, "qt ");
|
| 1702 |
else{
|
| 1703 |
put_tag(pb, "isom");
|
| 1704 |
put_tag(pb, "iso2");
|
| 1705 |
if(has_h264)
|
| 1706 |
put_tag(pb, "avc1");
|
| 1707 |
} |
| 1708 |
|
| 1709 |
if (mov->mode == MODE_3GP)
|
| 1710 |
put_tag(pb, has_h264 ? "3gp6":"3gp4"); |
| 1711 |
else if (mov->mode & MODE_3G2) |
| 1712 |
put_tag(pb, has_h264 ? "3g2b":"3g2a"); |
| 1713 |
else if (mov->mode == MODE_PSP) |
| 1714 |
put_tag(pb, "MSNV");
|
| 1715 |
else if (mov->mode == MODE_MP4) |
| 1716 |
put_tag(pb, "mp41");
|
| 1717 |
return updateSize(pb, pos);
|
| 1718 |
} |
| 1719 |
|
| 1720 |
static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s) |
| 1721 |
{
|
| 1722 |
AVCodecContext *VideoCodec = s->streams[0]->codec;
|
| 1723 |
AVCodecContext *AudioCodec = s->streams[1]->codec;
|
| 1724 |
int AudioRate = AudioCodec->sample_rate;
|
| 1725 |
int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num); |
| 1726 |
int audio_kbitrate= AudioCodec->bit_rate / 1000; |
| 1727 |
int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate); |
| 1728 |
|
| 1729 |
put_be32(pb, 0x94); /* size */ |
| 1730 |
put_tag(pb, "uuid");
|
| 1731 |
put_tag(pb, "PROF");
|
| 1732 |
|
| 1733 |
put_be32(pb, 0x21d24fce); /* 96 bit UUID */ |
| 1734 |
put_be32(pb, 0xbb88695c);
|
| 1735 |
put_be32(pb, 0xfac9c740);
|
| 1736 |
|
| 1737 |
put_be32(pb, 0x0); /* ? */ |
| 1738 |
put_be32(pb, 0x3); /* 3 sections ? */ |
| 1739 |
|
| 1740 |
put_be32(pb, 0x14); /* size */ |
| 1741 |
put_tag(pb, "FPRF");
|
| 1742 |
put_be32(pb, 0x0); /* ? */ |
| 1743 |
put_be32(pb, 0x0); /* ? */ |
| 1744 |
put_be32(pb, 0x0); /* ? */ |
| 1745 |
|
| 1746 |
put_be32(pb, 0x2c); /* size */ |
| 1747 |
put_tag(pb, "APRF"); /* audio */ |
| 1748 |
put_be32(pb, 0x0);
|
| 1749 |
put_be32(pb, 0x2); /* TrackID */ |
| 1750 |
put_tag(pb, "mp4a");
|
| 1751 |
put_be32(pb, 0x20f);
|
| 1752 |
put_be32(pb, 0x0);
|
| 1753 |
put_be32(pb, audio_kbitrate); |
| 1754 |
put_be32(pb, audio_kbitrate); |
| 1755 |
put_be32(pb, AudioRate); |
| 1756 |
put_be32(pb, AudioCodec->channels); |
| 1757 |
|
| 1758 |
put_be32(pb, 0x34); /* size */ |
| 1759 |
put_tag(pb, "VPRF"); /* video */ |
| 1760 |
put_be32(pb, 0x0);
|
| 1761 |
put_be32(pb, 0x1); /* TrackID */ |
| 1762 |
if (VideoCodec->codec_id == CODEC_ID_H264) {
|
| 1763 |
put_tag(pb, "avc1");
|
| 1764 |
put_be16(pb, 0x014D);
|
| 1765 |
put_be16(pb, 0x0015);
|
| 1766 |
} else {
|
| 1767 |
put_tag(pb, "mp4v");
|
| 1768 |
put_be16(pb, 0x0000);
|
| 1769 |
put_be16(pb, 0x0103);
|
| 1770 |
} |
| 1771 |
put_be32(pb, 0x0);
|
| 1772 |
put_be32(pb, video_kbitrate); |
| 1773 |
put_be32(pb, video_kbitrate); |
| 1774 |
put_be32(pb, FrameRate); |
| 1775 |
put_be32(pb, FrameRate); |
| 1776 |
put_be16(pb, VideoCodec->width); |
| 1777 |
put_be16(pb, VideoCodec->height); |
| 1778 |
put_be32(pb, 0x010001); /* ? */ |
| 1779 |
} |
| 1780 |
|
| 1781 |
static int mov_write_header(AVFormatContext *s) |
| 1782 |
{
|
| 1783 |
ByteIOContext *pb = s->pb; |
| 1784 |
MOVMuxContext *mov = s->priv_data; |
| 1785 |
int i;
|
| 1786 |
|
| 1787 |
if (url_is_streamed(s->pb)) {
|
| 1788 |
av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
|
| 1789 |
return -1; |
| 1790 |
} |
| 1791 |
|
| 1792 |
/* Default mode == MP4 */
|
| 1793 |
mov->mode = MODE_MP4; |
| 1794 |
|
| 1795 |
if (s->oformat != NULL) { |
| 1796 |
if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP; |
| 1797 |
else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2; |
| 1798 |
else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV; |
| 1799 |
else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP; |
| 1800 |
else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD; |
| 1801 |
|
| 1802 |
mov_write_ftyp_tag(pb,s); |
| 1803 |
if (mov->mode == MODE_PSP) {
|
| 1804 |
if (s->nb_streams != 2) { |
| 1805 |
av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
|
| 1806 |
return -1; |
| 1807 |
} |
| 1808 |
mov_write_uuidprof_tag(pb,s); |
| 1809 |
} |
| 1810 |
} |
| 1811 |
|
| 1812 |
mov->tracks = av_mallocz(s->nb_streams*sizeof(*mov->tracks));
|
| 1813 |
if (!mov->tracks)
|
| 1814 |
return AVERROR(ENOMEM);
|
| 1815 |
|
| 1816 |
for(i=0; i<s->nb_streams; i++){ |
| 1817 |
AVStream *st= s->streams[i]; |
| 1818 |
MOVTrack *track= &mov->tracks[i]; |
| 1819 |
AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0); |
| 1820 |
|
| 1821 |
track->enc = st->codec; |
| 1822 |
track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
|
| 1823 |
if (track->language < 0) |
| 1824 |
track->language = 0;
|
| 1825 |
track->mode = mov->mode; |
| 1826 |
track->tag = mov_find_codec_tag(s, track); |
| 1827 |
if (!track->tag) {
|
| 1828 |
av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
|
| 1829 |
"codec not currently supported in container\n", i);
|
| 1830 |
goto error;
|
| 1831 |
} |
| 1832 |
if(st->codec->codec_type == CODEC_TYPE_VIDEO){
|
| 1833 |
if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') || |
| 1834 |
track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') || |
| 1835 |
track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) { |
| 1836 |
if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) { |
| 1837 |
av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
|
| 1838 |
goto error;
|
| 1839 |
} |
| 1840 |
track->height = track->tag>>24 == 'n' ? 486 : 576; |
| 1841 |
} |
| 1842 |
track->timescale = st->codec->time_base.den; |
| 1843 |
if (track->mode == MODE_MOV && track->timescale > 100000) |
| 1844 |
av_log(s, AV_LOG_WARNING, |
| 1845 |
"WARNING codec timebase is very high. If duration is too long,\n"
|
| 1846 |
"file may not be playable by quicktime. Specify a shorter timebase\n"
|
| 1847 |
"or choose different container.\n");
|
| 1848 |
}else if(st->codec->codec_type == CODEC_TYPE_AUDIO){ |
| 1849 |
track->timescale = st->codec->sample_rate; |
| 1850 |
if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
|
| 1851 |
av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
|
| 1852 |
goto error;
|
| 1853 |
}else if(st->codec->frame_size > 1){ /* assume compressed audio */ |
| 1854 |
track->audio_vbr = 1;
|
| 1855 |
}else{
|
| 1856 |
st->codec->frame_size = 1;
|
| 1857 |
track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
|
| 1858 |
} |
| 1859 |
if (track->mode != MODE_MOV) {
|
| 1860 |
if (track->timescale > UINT16_MAX) {
|
| 1861 |
av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
|
| 1862 |
"sample rate %dhz\n", i, track->timescale);
|
| 1863 |
goto error;
|
| 1864 |
} |
| 1865 |
if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) { |
| 1866 |
av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
|
| 1867 |
i, track->enc->sample_rate); |
| 1868 |
goto error;
|
| 1869 |
} |
| 1870 |
} |
| 1871 |
}else if(st->codec->codec_type == CODEC_TYPE_SUBTITLE){ |
| 1872 |
track->timescale = st->codec->time_base.den; |
| 1873 |
} |
| 1874 |
if (!track->height)
|
| 1875 |
track->height = st->codec->height; |
| 1876 |
|
| 1877 |
av_set_pts_info(st, 64, 1, track->timescale); |
| 1878 |
} |
| 1879 |
|
| 1880 |
mov_write_mdat_tag(pb, mov); |
| 1881 |
mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based |
| 1882 |
mov->nb_streams = s->nb_streams; |
| 1883 |
|
| 1884 |
put_flush_packet(pb); |
| 1885 |
|
| 1886 |
return 0; |
| 1887 |
error:
|
| 1888 |
av_freep(&mov->tracks); |
| 1889 |
return -1; |
| 1890 |
} |
| 1891 |
|
| 1892 |
static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags) |
| 1893 |
{
|
| 1894 |
uint32_t c = -1;
|
| 1895 |
int i, closed_gop = 0; |
| 1896 |
|
| 1897 |
for (i = 0; i < pkt->size - 4; i++) { |
| 1898 |
c = (c<<8) + pkt->data[i];
|
| 1899 |
if (c == 0x1b8) { // gop |
| 1900 |
closed_gop = pkt->data[i+4]>>6 & 0x01; |
| 1901 |
} else if (c == 0x100) { // pic |
| 1902 |
int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6); |
| 1903 |
if (!temp_ref || closed_gop) // I picture is not reordered |
| 1904 |
*flags = MOV_SYNC_SAMPLE; |
| 1905 |
else
|
| 1906 |
*flags = MOV_PARTIAL_SYNC_SAMPLE; |
| 1907 |
break;
|
| 1908 |
} |
| 1909 |
} |
| 1910 |
return 0; |
| 1911 |
} |
| 1912 |
|
| 1913 |
static int mov_write_packet(AVFormatContext *s, AVPacket *pkt) |
| 1914 |
{
|
| 1915 |
MOVMuxContext *mov = s->priv_data; |
| 1916 |
ByteIOContext *pb = s->pb; |
| 1917 |
MOVTrack *trk = &mov->tracks[pkt->stream_index]; |
| 1918 |
AVCodecContext *enc = trk->enc; |
| 1919 |
unsigned int samplesInChunk = 0; |
| 1920 |
int size= pkt->size;
|
| 1921 |
|
| 1922 |
if (url_is_streamed(s->pb)) return 0; /* Can't handle that */ |
| 1923 |
if (!size) return 0; /* Discard 0 sized packets */ |
| 1924 |
|
| 1925 |
if (enc->codec_id == CODEC_ID_AMR_NB) {
|
| 1926 |
/* We must find out how many AMR blocks there are in one packet */
|
| 1927 |
static uint16_t packed_size[16] = |
| 1928 |
{13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
|
| 1929 |
int len = 0; |
| 1930 |
|
| 1931 |
while (len < size && samplesInChunk < 100) { |
| 1932 |
len += packed_size[(pkt->data[len] >> 3) & 0x0F]; |
| 1933 |
samplesInChunk++; |
| 1934 |
} |
| 1935 |
if(samplesInChunk > 1){ |
| 1936 |
av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
|
| 1937 |
return -1; |
| 1938 |
} |
| 1939 |
} else if (trk->sampleSize) |
| 1940 |
samplesInChunk = size/trk->sampleSize; |
| 1941 |
else
|
| 1942 |
samplesInChunk = 1;
|
| 1943 |
|
| 1944 |
/* copy extradata if it exists */
|
| 1945 |
if (trk->vosLen == 0 && enc->extradata_size > 0) { |
| 1946 |
trk->vosLen = enc->extradata_size; |
| 1947 |
trk->vosData = av_malloc(trk->vosLen); |
| 1948 |
memcpy(trk->vosData, enc->extradata, trk->vosLen); |
| 1949 |
} |
| 1950 |
|
| 1951 |
if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) { |
| 1952 |
/* from x264 or from bytestream h264 */
|
| 1953 |
/* nal reformating needed */
|
| 1954 |
size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size); |
| 1955 |
} else {
|
| 1956 |
put_buffer(pb, pkt->data, size); |
| 1957 |
} |
| 1958 |
|
| 1959 |
if ((enc->codec_id == CODEC_ID_DNXHD ||
|
| 1960 |
enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
|
| 1961 |
/* copy frame to create needed atoms */
|
| 1962 |
trk->vosLen = size; |
| 1963 |
trk->vosData = av_malloc(size); |
| 1964 |
if (!trk->vosData)
|
| 1965 |
return AVERROR(ENOMEM);
|
| 1966 |
memcpy(trk->vosData, pkt->data, size); |
| 1967 |
} |
| 1968 |
|
| 1969 |
if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
|
| 1970 |
trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
|
| 1971 |
if (!trk->cluster)
|
| 1972 |
return -1; |
| 1973 |
} |
| 1974 |
|
| 1975 |
trk->cluster[trk->entry].pos = url_ftell(pb) - size; |
| 1976 |
trk->cluster[trk->entry].samplesInChunk = samplesInChunk; |
| 1977 |
trk->cluster[trk->entry].size = size; |
| 1978 |
trk->cluster[trk->entry].entries = samplesInChunk; |
| 1979 |
trk->cluster[trk->entry].dts = pkt->dts; |
| 1980 |
trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
|
| 1981 |
|
| 1982 |
if (pkt->pts == AV_NOPTS_VALUE) {
|
| 1983 |
av_log(s, AV_LOG_WARNING, "pts has no value\n");
|
| 1984 |
pkt->pts = pkt->dts; |
| 1985 |
} |
| 1986 |
if (pkt->dts != pkt->pts)
|
| 1987 |
trk->flags |= MOV_TRACK_CTTS; |
| 1988 |
trk->cluster[trk->entry].cts = pkt->pts - pkt->dts; |
| 1989 |
trk->cluster[trk->entry].flags = 0;
|
| 1990 |
if (pkt->flags & PKT_FLAG_KEY) {
|
| 1991 |
if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO) {
|
| 1992 |
mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags); |
| 1993 |
if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
|
| 1994 |
trk->flags |= MOV_TRACK_STPS; |
| 1995 |
} else {
|
| 1996 |
trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE; |
| 1997 |
} |
| 1998 |
if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
|
| 1999 |
trk->hasKeyframes++; |
| 2000 |
} |
| 2001 |
trk->entry++; |
| 2002 |
trk->sampleCount += samplesInChunk; |
| 2003 |
mov->mdat_size += size; |
| 2004 |
|
| 2005 |
put_flush_packet(pb); |
| 2006 |
return 0; |
| 2007 |
} |
| 2008 |
|
| 2009 |
static int mov_write_trailer(AVFormatContext *s) |
| 2010 |
{
|
| 2011 |
MOVMuxContext *mov = s->priv_data; |
| 2012 |
ByteIOContext *pb = s->pb; |
| 2013 |
int res = 0; |
| 2014 |
int i;
|
| 2015 |
|
| 2016 |
int64_t moov_pos = url_ftell(pb); |
| 2017 |
|
| 2018 |
/* Write size of mdat tag */
|
| 2019 |
if (mov->mdat_size+8 <= UINT32_MAX) { |
| 2020 |
url_fseek(pb, mov->mdat_pos, SEEK_SET); |
| 2021 |
put_be32(pb, mov->mdat_size+8);
|
| 2022 |
} else {
|
| 2023 |
/* overwrite 'wide' placeholder atom */
|
| 2024 |
url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
|
| 2025 |
put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */ |
| 2026 |
put_tag(pb, "mdat");
|
| 2027 |
put_be64(pb, mov->mdat_size+16);
|
| 2028 |
} |
| 2029 |
url_fseek(pb, moov_pos, SEEK_SET); |
| 2030 |
|
| 2031 |
mov_write_moov_tag(pb, mov, s); |
| 2032 |
|
| 2033 |
for (i=0; i<mov->nb_streams; i++) { |
| 2034 |
av_freep(&mov->tracks[i].cluster); |
| 2035 |
|
| 2036 |
if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
|
| 2037 |
|
| 2038 |
} |
| 2039 |
|
| 2040 |
put_flush_packet(pb); |
| 2041 |
|
| 2042 |
av_freep(&mov->tracks); |
| 2043 |
|
| 2044 |
return res;
|
| 2045 |
} |
| 2046 |
|
| 2047 |
#if CONFIG_MOV_MUXER
|
| 2048 |
AVOutputFormat mov_muxer = {
|
| 2049 |
"mov",
|
| 2050 |
NULL_IF_CONFIG_SMALL("MOV format"),
|
| 2051 |
NULL,
|
| 2052 |
"mov",
|
| 2053 |
sizeof(MOVMuxContext),
|
| 2054 |
CODEC_ID_AAC, |
| 2055 |
CODEC_ID_MPEG4, |
| 2056 |
mov_write_header, |
| 2057 |
mov_write_packet, |
| 2058 |
mov_write_trailer, |
| 2059 |
.flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS, |
| 2060 |
.codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0}, |
| 2061 |
}; |
| 2062 |
#endif
|
| 2063 |
#if CONFIG_TGP_MUXER
|
| 2064 |
AVOutputFormat tgp_muxer = {
|
| 2065 |
"3gp",
|
| 2066 |
NULL_IF_CONFIG_SMALL("3GP format"),
|
| 2067 |
NULL,
|
| 2068 |
"3gp",
|
| 2069 |
sizeof(MOVMuxContext),
|
| 2070 |
CODEC_ID_AMR_NB, |
| 2071 |
CODEC_ID_H263, |
| 2072 |
mov_write_header, |
| 2073 |
mov_write_packet, |
| 2074 |
mov_write_trailer, |
| 2075 |
.flags = AVFMT_GLOBALHEADER, |
| 2076 |
.codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0}, |
| 2077 |
}; |
| 2078 |
#endif
|
| 2079 |
#if CONFIG_MP4_MUXER
|
| 2080 |
AVOutputFormat mp4_muxer = {
|
| 2081 |
"mp4",
|
| 2082 |
NULL_IF_CONFIG_SMALL("MP4 format"),
|
| 2083 |
"application/mp4",
|
| 2084 |
"mp4",
|
| 2085 |
sizeof(MOVMuxContext),
|
| 2086 |
CODEC_ID_AAC, |
| 2087 |
CODEC_ID_MPEG4, |
| 2088 |
mov_write_header, |
| 2089 |
mov_write_packet, |
| 2090 |
mov_write_trailer, |
| 2091 |
.flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS, |
| 2092 |
.codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0}, |
| 2093 |
}; |
| 2094 |
#endif
|
| 2095 |
#if CONFIG_PSP_MUXER
|
| 2096 |
AVOutputFormat psp_muxer = {
|
| 2097 |
"psp",
|
| 2098 |
NULL_IF_CONFIG_SMALL("PSP MP4 format"),
|
| 2099 |
NULL,
|
| 2100 |
"mp4,psp",
|
| 2101 |
sizeof(MOVMuxContext),
|
| 2102 |
CODEC_ID_AAC, |
| 2103 |
CODEC_ID_MPEG4, |
| 2104 |
mov_write_header, |
| 2105 |
mov_write_packet, |
| 2106 |
mov_write_trailer, |
| 2107 |
.flags = AVFMT_GLOBALHEADER, |
| 2108 |
.codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0}, |
| 2109 |
}; |
| 2110 |
#endif
|
| 2111 |
#if CONFIG_TG2_MUXER
|
| 2112 |
AVOutputFormat tg2_muxer = {
|
| 2113 |
"3g2",
|
| 2114 |
NULL_IF_CONFIG_SMALL("3GP2 format"),
|
| 2115 |
NULL,
|
| 2116 |
"3g2",
|
| 2117 |
sizeof(MOVMuxContext),
|
| 2118 |
CODEC_ID_AMR_NB, |
| 2119 |
CODEC_ID_H263, |
| 2120 |
mov_write_header, |
| 2121 |
mov_write_packet, |
| 2122 |
mov_write_trailer, |
| 2123 |
.flags = AVFMT_GLOBALHEADER, |
| 2124 |
.codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0}, |
| 2125 |
}; |
| 2126 |
#endif
|
| 2127 |
#if CONFIG_IPOD_MUXER
|
| 2128 |
AVOutputFormat ipod_muxer = {
|
| 2129 |
"ipod",
|
| 2130 |
NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
|
| 2131 |
"application/mp4",
|
| 2132 |
"m4v,m4a",
|
| 2133 |
sizeof(MOVMuxContext),
|
| 2134 |
CODEC_ID_AAC, |
| 2135 |
CODEC_ID_H264, |
| 2136 |
mov_write_header, |
| 2137 |
mov_write_packet, |
| 2138 |
mov_write_trailer, |
| 2139 |
.flags = AVFMT_GLOBALHEADER, |
| 2140 |
.codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0}, |
| 2141 |
}; |
| 2142 |
#endif
|