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lavc: Check CODEC_CAP_VARIABLE_FRAME_SIZE && !frame 

This combination is quite odd and almost certainly a bug if
it happens.

Reviewed-by: Justin Ruggles <justin.ruggles@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-01-17 03:17:56 +01:00
parent af5004b557
commit a129622390
1 changed files with 2 additions and 0 deletions
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2
libavcodec/utils.c
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@ -968,6 +968,8 @@ int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
if (!user_packet) {
if (avctx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE) {
av_assert0(av_get_bits_per_sample(avctx->codec_id) != 0);
if (!frame)
return AVERROR(EINVAL);
buf_size = nb_samples * avctx->channels *
av_get_bits_per_sample(avctx->codec_id) / 8;
} else {