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Merge remote-tracking branch 'qatar/master'

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* qatar/master:
  isom: sort and pretty-print codec_movaudio_tags[]
  isom: remove pointless comments in codec_movaudio_tags[]
  isom: remove commented-out tag for vorbis
  movenc: write 'chan' tag for AC-3 in MOV
  mov: add support for reading and writing the 'chan' tag
  audioconvert: add some additional channel and channel layout macros
  audioconvert: change 7.1 "wide" layout to use side surround channels
  movenc: simplify handling of pcm vs. adpcm vs. other compressed codecs
  doc: update documentation to use avconv
  doc: update demuxers section
  doc: extend external library coverage
  doc: split platform specific information
  doc: port the git-howto to texinfo
  doc: provide fallback css and customize @float
  doc: document fate in a texinfo
  doxy: change hue value to match our green

Conflicts:
	doc/fate.txt
	doc/ffserver.texi
	doc/general.texi
	doc/muxers.texi
	doc/protocols.texi
	doc/t2h.init
	libavformat/isom.c
	libavformat/mov.c
	libavutil/avutil.h
	tests/ref/acodec/pcm_s16be
	tests/ref/acodec/pcm_s24be
	tests/ref/acodec/pcm_s32be
	tests/ref/acodec/pcm_s8
	tests/ref/lavf/mov

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2011-12-10 01:25:15 +01:00
parent 5b98ea1b73 4c38633352
commit c59b80c8d3
27 changed files with 1786 additions and 541 deletions
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88
libavformat/movenc.c
View File

@@ -37,6 +37,7 @@
#include "libavutil/opt.h"
#include "libavutil/dict.h"
#include "rtpenc.h"
#include "mov_chan.h"
#undef NDEBUG
#include <assert.h>
@@ -354,6 +355,31 @@ static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
return updateSize(pb, pos);
}
static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
{
uint32_t layout_tag, bitmap;
int64_t pos = avio_tell(pb);
layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
track->enc->channel_layout,
&bitmap);
if (!layout_tag) {
av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
"lack of channel information\n");
return 0;
}
avio_wb32(pb, 0); // Size
ffio_wfourcc(pb, "chan"); // Type
avio_w8(pb, 0); // Version
avio_wb24(pb, 0); // Flags
avio_wb32(pb, layout_tag); // mChannelLayoutTag
avio_wb32(pb, bitmap); // mChannelBitmap
avio_wb32(pb, 0); // mNumberChannelDescriptions
return updateSize(pb, pos);
}
static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
@@ -376,6 +402,7 @@ static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
} else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
mov_write_amr_tag(pb, track);
} else if (track->enc->codec_id == CODEC_ID_AC3) {
mov_write_chan_tag(pb, track);
mov_write_ac3_tag(pb, track);
} else if (track->enc->codec_id == CODEC_ID_ALAC) {
mov_write_extradata_tag(pb, track);
@@ -434,15 +461,9 @@ static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
uint32_t tag = track->tag;
if (track->mode == MODE_MOV) {
if (track->timescale > UINT16_MAX) {
if (mov_get_lpcm_flags(track->enc->codec_id))
tag = AV_RL32("lpcm");
version = 2;
} else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
track->enc->codec_id == CODEC_ID_ADPCM_MS ||
track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
version = 1;
}
if (mov_get_lpcm_flags(track->enc->codec_id))
tag = AV_RL32("lpcm");
version = 2;
}
avio_wb32(pb, 0); /* size */
@@ -469,34 +490,18 @@ static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
avio_wb32(pb, track->sampleSize);
avio_wb32(pb, track->enc->frame_size);
avio_wb32(pb, track->audio_vbr ? track->enc->frame_size : 1);
} else {
if (track->mode == MODE_MOV) {
avio_wb16(pb, track->enc->channels);
if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
track->enc->codec_id == CODEC_ID_PCM_S8)
avio_wb16(pb, 8); /* bits per sample */
else
avio_wb16(pb, 16);
avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
} else { /* reserved for mp4/3gp */
avio_wb16(pb, 2);
avio_wb16(pb, 16);
avio_wb16(pb, 0);
}
/* reserved for mp4/3gp */
avio_wb16(pb, 2);
avio_wb16(pb, 16);
avio_wb16(pb, 0);
avio_wb16(pb, 0); /* packet size (= 0) */
avio_wb16(pb, track->timescale); /* Time scale */
avio_wb16(pb, 0); /* Reserved */
}
if(version == 1) { /* SoundDescription V1 extended info */
avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
avio_wb32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
avio_wb32(pb, track->sampleSize); /* Bytes per frame */
avio_wb32(pb, 2); /* Bytes per sample */
}
if(track->mode == MODE_MOV &&
(track->enc->codec_id == CODEC_ID_AAC ||
track->enc->codec_id == CODEC_ID_AC3 ||
@@ -2226,9 +2231,6 @@ int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
return -1;
}
} else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
samplesInChunk = enc->frame_size;
} else if (trk->sampleSize)
samplesInChunk = size/trk->sampleSize;
else
@@ -2458,21 +2460,21 @@ static int mov_write_header(AVFormatContext *s)
"or choose different container.\n");
}else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
track->timescale = st->codec->sample_rate;
if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
goto error;
}else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
/* set sampleSize for PCM and ADPCM */
if (av_get_bits_per_sample(st->codec->codec_id)) {
if (!st->codec->block_align) {
av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
goto error;
}
track->sampleSize = st->codec->block_align;
}else if(st->codec->frame_size > 1){ /* assume compressed audio */
}
/* set audio_vbr for compressed audio */
if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
if (!st->codec->frame_size) {
av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
goto error;
}
track->audio_vbr = 1;
}else{
st->codec->frame_size = 1;
track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
}
if (track->mode != MODE_MOV) {
if (track->timescale > UINT16_MAX) {