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codec_desc: mark some lossless audio codecs as intraonly.

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Fixes tsan warnings in several audio codecs (flac, alac, wavpack, tta
and tak) that look like this:

WARNING: ThreadSanitizer: data race (pid=14340)
  Read of size 4 at 0x7d64000169d8 by main thread (mutexes: write M1335):
    #0 update_context_from_thread src/libavcodec/pthread_frame.c:284 (ffmpeg+0x000000dc795f)
[..]
  Previous write of size 4 at 0x7d64000169d8 by thread T1 (mutexes: write M1333):
    #0 wavpack_decode_block src/libavcodec/wavpack.c:1012 (ffmpeg+0x00000112b175)
This commit is contained in:
Ronald S. Bultje 2017-04-03 09:36:32 -04:00
parent e72690b18d
commit 467a053810
2 changed files with 7 additions and 6 deletions
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2
libavcodec/avcodec.h
View File

@ -724,7 +724,7 @@ typedef struct AVCodecDescriptor {
/**
* Codec uses only intra compression.
* Video codecs only.
* Video and audio codecs only.
*/
#define AV_CODEC_PROP_INTRA_ONLY (1 << 0)
/**

11
libavcodec/codec_desc.c
View File

@ -2313,7 +2313,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
.type = AVMEDIA_TYPE_AUDIO,
.name = "flac",
.long_name = NULL_IF_CONFIG_SMALL("FLAC (Free Lossless Audio Codec)"),
.props = AV_CODEC_PROP_LOSSLESS,
.props = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
},
{
.id = AV_CODEC_ID_MP3ADU,
@ -2341,7 +2341,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
.type = AVMEDIA_TYPE_AUDIO,
.name = "alac",
.long_name = NULL_IF_CONFIG_SMALL("ALAC (Apple Lossless Audio Codec)"),
.props = AV_CODEC_PROP_LOSSLESS,
.props = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
},
{
.id = AV_CODEC_ID_WESTWOOD_SND1,
@ -2383,7 +2383,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
.type = AVMEDIA_TYPE_AUDIO,
.name = "tta",
.long_name = NULL_IF_CONFIG_SMALL("TTA (True Audio)"),
.props = AV_CODEC_PROP_LOSSLESS,
.props = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
},
{
.id = AV_CODEC_ID_SMACKAUDIO,
@ -2404,7 +2404,8 @@ static const AVCodecDescriptor codec_descriptors[] = {
.type = AVMEDIA_TYPE_AUDIO,
.name = "wavpack",
.long_name = NULL_IF_CONFIG_SMALL("WavPack"),
.props = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_LOSSLESS,
.props = AV_CODEC_PROP_INTRA_ONLY |
AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_LOSSLESS,
},
{
.id = AV_CODEC_ID_DSICINAUDIO,
@ -2712,7 +2713,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
.type = AVMEDIA_TYPE_AUDIO,
.name = "tak",
.long_name = NULL_IF_CONFIG_SMALL("TAK (Tom's lossless Audio Kompressor)"),
.props = AV_CODEC_PROP_LOSSLESS,
.props = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
},
{
.id = AV_CODEC_ID_METASOUND,