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avcodec/utils: check AVframe.format being set in avcodec_encode_video2()

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We dont fail hard if its not set as the old API allowed this and our examples
did in the distant past not set it, these examples still work with the
current code and some encoders.

Based on suggestion by: funman
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-12-07 02:10:19 +01:00
parent 74080ded96
commit 3393cd8545
1 changed files with 3 additions and 0 deletions
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libavcodec/utils.c
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@ -2088,6 +2088,9 @@ int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx,
if (av_image_check_size(avctx->width, avctx->height, 0, avctx))
return AVERROR(EINVAL);
if (frame && frame->format == AV_PIX_FMT_NONE)
av_log(avctx, AV_LOG_WARNING, "AVFrame.format is not set\n");
av_assert0(avctx->codec->encode2);
ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);