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Code Issues Releases Activity

avcodec/x86/lossless_videodsp: disable median optimizations for 16bps

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They only support upto 15bps

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-01-23 01:35:29 +01:00
parent eaacfc7dd1
commit e6d1c66d74
2 changed files with 3 additions and 2 deletions
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2
libavcodec/huffyuvdec.c
View File

@ -261,7 +261,6 @@ static av_cold int decode_init(AVCodecContext *avctx)
{
HYuvContext *s = avctx->priv_data;
ff_huffyuv_common_init(avctx);
memset(s->vlc, 0, 4 * sizeof(VLC));
s->interlaced = s->height > 288;
@ -470,6 +469,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
}
}
ff_huffyuv_common_init(avctx);
if ((avctx->pix_fmt == AV_PIX_FMT_YUV422P || avctx->pix_fmt == AV_PIX_FMT_YUV420P) && avctx->width & 1) {
av_log(avctx, AV_LOG_ERROR, "width must be even for this colorspace\n");

3
libavcodec/x86/lossless_videodsp_init.c
View File

@ -35,13 +35,14 @@ void ff_sub_hfyu_median_prediction_int16_mmxext(uint16_t *dst, const uint16_t *s
void ff_llviddsp_init_x86(LLVidDSPContext *c, AVCodecContext *avctx)
{
int cpu_flags = av_get_cpu_flags();
const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(avctx->pix_fmt);
if (EXTERNAL_MMX(cpu_flags)) {
c->add_int16 = ff_add_int16_mmx;
c->diff_int16 = ff_diff_int16_mmx;
}
if (EXTERNAL_MMXEXT(cpu_flags)) {
if (EXTERNAL_MMXEXT(cpu_flags) && pix_desc->comp[0].depth_minus1<15) {
c->add_hfyu_median_prediction_int16 = ff_add_hfyu_median_prediction_int16_mmxext;
c->sub_hfyu_median_prediction_int16 = ff_sub_hfyu_median_prediction_int16_mmxext;
}