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authorAnton Khirnov <anton@khirnov.net>2014-11-14 15:11:09 +0100
committerAnton Khirnov <anton@khirnov.net>2015-01-27 09:13:45 +0100
commitf771b3ab5d3c0b763ee356152be550f4121babd0 (patch)
tree940da7edf98d4707cc8470d3c03d7262853c9da7 /libavformat/avidec.c
parent167e004e1aca7765686ed95d7cd8ea5064d4f6f6 (diff)
downloadffmpeg-f771b3ab5d3c0b763ee356152be550f4121babd0.tar.gz
avidec: do not export stream_codec_tag
Handle its only existing use case internally.
Diffstat (limited to 'libavformat/avidec.c')
-rw-r--r--libavformat/avidec.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/libavformat/avidec.c b/libavformat/avidec.c
index e7202de8d4..439d39d1b7 100644
--- a/libavformat/avidec.c
+++ b/libavformat/avidec.c
@@ -42,6 +42,7 @@ typedef struct AVIStream {
int remaining;
int packet_size;
+ uint32_t handler;
uint32_t scale;
uint32_t rate;
int sample_size; /* size of one sample (or packet)
@@ -515,7 +516,7 @@ static int avi_read_header(AVFormatContext *s)
}
assert(stream_index < s->nb_streams);
- st->codec->stream_codec_tag = handler;
+ ast->handler = handler;
avio_rl32(pb); /* flags */
avio_rl16(pb); /* priority */
@@ -650,6 +651,11 @@ static int avi_read_header(AVFormatContext *s)
/* This is needed to get the pict type which is necessary
* for generating correct pts. */
st->need_parsing = AVSTREAM_PARSE_HEADERS;
+
+ if (st->codec->codec_id == AV_CODEC_ID_MPEG4 &&
+ ast->handler == MKTAG('X', 'V', 'I', 'D'))
+ st->codec->codec_tag = MKTAG('X', 'V', 'I', 'D');
+
// Support "Resolution 1:1" for Avid AVI Codec
if (tag1 == MKTAG('A', 'V', 'R', 'n') &&
st->codec->extradata_size >= 31 &&
@@ -701,7 +707,7 @@ static int avi_read_header(AVFormatContext *s)
st->need_parsing = AVSTREAM_PARSE_NONE;
/* AVI files with Xan DPCM audio (wrongly) declare PCM
* audio in the header but have Axan as stream_code_tag. */
- if (st->codec->stream_codec_tag == AV_RL32("Axan")) {
+ if (ast->handler == AV_RL32("Axan")) {
st->codec->codec_id = AV_CODEC_ID_XAN_DPCM;
st->codec->codec_tag = 0;
}