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ffprobe: only decode frame if the codec is available 

Fix crash when a stream codec is unknown, in particular fix trac
ticket #1243.
This commit is contained in:
Stefano Sabatini 2012-07-15 15:56:02 +02:00
parent fda968aa8f
commit 5626e812d2
1 changed files with 2 additions and 0 deletions
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2
ffprobe.c
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@ -1661,6 +1661,7 @@ static av_always_inline int get_decoded_frame(AVFormatContext *fmt_ctx,
int ret = 0;
*got_frame = 0;
if (dec_ctx->codec) {
switch (dec_ctx->codec_type) {
case AVMEDIA_TYPE_VIDEO:
ret = avcodec_decode_video2(dec_ctx, frame, got_frame, pkt);
@ -1670,6 +1671,7 @@ static av_always_inline int get_decoded_frame(AVFormatContext *fmt_ctx,
ret = avcodec_decode_audio4(dec_ctx, frame, got_frame, pkt);
break;
}
}
return ret;
}