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lavf/find_stream_info: make sure we decode at least one frame for DTS 

The channel layout at the demuxer layer is commonly wrong and would
otherwise be used.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-09-23 04:56:51 +02:00
parent 61a84755a9
commit 21c4393f1c
1 changed files with 2 additions and 0 deletions
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2
libavformat/utils.c
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@ -2314,6 +2314,8 @@ static int has_codec_parameters(AVStream *st, const char **errmsg_ptr)
FAIL("unspecified sample rate");
if (!avctx->channels)
FAIL("unspecified number of channels");
if (st->info->found_decoder >= 0 && !st->nb_decoded_frames && avctx->codec_id == AV_CODEC_ID_DTS)
FAIL("no decodable DTS frames");
break;
case AVMEDIA_TYPE_VIDEO:
if (!avctx->width)