From: xiong zedong <zedong....@gmail.com>
Signed-off-by: xiong zedong <zedong....@gmail.com>
---
libavformat/mov.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/libavformat/mov.c b/libavformat/mov.c
index d7be593a86..a3a79679ad 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -1552,10 +1552,23 @@ static int mov_read_enda(MOVContext *c, AVIOContext
*pb, MOVAtom atom)
return 0;
st = c->fc->streams[c->fc->nb_streams-1];
- little_endian = avio_rb16(pb) & 0xFF;
+ /* ISO/IEC 23003-5 Part 5: Uncompressed audio in MPEG-4 file format */
+ if (atom.type == MKTAG('p','c','m','C')) {
+ avio_r8(pb); /* version */
+ avio_rb24(pb); /* flags */
+ little_endian = avio_r8(pb) & 0x01; /* format_flags */
+ avio_r8(pb); /* PCM_sample_size */
+ } else {
+ little_endian = avio_rb16(pb) & 0xFF;
+ }
+
av_log(c->fc, AV_LOG_TRACE, "enda %d\n", little_endian);
if (little_endian == 1) {
switch (st->codecpar->codec_id) {
+ /* for 16 bits in pcmC */
+ case AV_CODEC_ID_PCM_S16BE:
+ st->codecpar->codec_id = AV_CODEC_ID_PCM_S16LE;
+ break;
case AV_CODEC_ID_PCM_S24BE:
st->codecpar->codec_id = AV_CODEC_ID_PCM_S24LE;
break;
@@ -7584,6 +7597,7 @@ static const MOVParseTableEntry mov_default_parse_table[]
= {
{ MKTAG('e','d','t','s'), mov_read_default },
{ MKTAG('e','l','s','t'), mov_read_elst },
{ MKTAG('e','n','d','a'), mov_read_enda },
+{ MKTAG('p','c','m','C'), mov_read_enda },
{ MKTAG('f','i','e','l'), mov_read_fiel },
{ MKTAG('a','d','r','m'), mov_read_adrm },
{ MKTAG('f','t','y','p'), mov_read_ftyp },
--
2.24.2 (Apple Git-127)
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