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avcodec/utils: Check bits_per_raw_sample on video encoder open 

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2016-01-07 00:48:22 +01:00
parent 13f266b50c
commit 0869ff7e9d
1 changed files with 8 additions and 0 deletions
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8
libavcodec/utils.c
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@ -1168,6 +1168,7 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code
{
int ret = 0;
AVDictionary *tmp = NULL;
const AVPixFmtDescriptor *pixdesc;
if (avcodec_is_open(avctx))
return 0;
@ -1453,6 +1454,13 @@ FF_ENABLE_DEPRECATION_WARNINGS
goto free_and_end;
}
if(avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
pixdesc = av_pix_fmt_desc_get(avctx->pix_fmt);
if ( avctx->bits_per_raw_sample < 0
|| (avctx->bits_per_raw_sample > 8 && pixdesc->comp[0].depth <= 8)) {
av_log(avctx, AV_LOG_WARNING, "Specified bit depth %d not possible with the specified pixel formats depth %d\n",
avctx->bits_per_raw_sample, pixdesc->comp[0].depth);
avctx->bits_per_raw_sample = pixdesc->comp[0].depth;
}
if (avctx->width <= 0 || avctx->height <= 0) {
av_log(avctx, AV_LOG_ERROR, "dimensions not set\n");
ret = AVERROR(EINVAL);