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lavf/riff: Support decoding Ambisonic wav files.

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Reported and tested by Andy Furniss, adf d lists at gmail
This commit is contained in:
Carl Eugen Hoyos 2015-09-16 14:03:13 +02:00
parent 2fc552b629
commit f17ca46009
2 changed files with 4 additions and 0 deletions
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2
libavformat/riffdec.c
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@ -69,6 +69,8 @@ static void parse_waveformatex(AVIOContext *pb, AVCodecContext *c)
ff_get_guid(pb, &subformat);
if (!memcmp(subformat + 4,
(const uint8_t[]){ FF_AMBISONIC_BASE_GUID }, 12) ||
!memcmp(subformat + 4,
(const uint8_t[]){ FF_MEDIASUBTYPE_BASE_GUID }, 12)) {
c->codec_tag = AV_RL32(subformat);
c->codec_id = ff_wav_codec_get_id(c->codec_tag,