codec_desc: mark some lossless audio codecs as intraonly.

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)

libavcodec/avcodec.h

@@ -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)
 /**

libavcodec/codec_desc.c

@@ -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,