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lavc/hevc: rudimentary support for skip_loop_filter.

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+~9% speed on Core i5 on test sample.

All frames are treated as ref frames, skipping only applies
at level "all". The following mail contains information on
how to improve that:
http://ffmpeg.org/pipermail/ffmpeg-devel/2015-July/176116.html
This commit is contained in:
Nicolas George 2015-07-23 12:10:14 +02:00
parent 744051a57a
commit 52c75d486e
2 changed files with 9 additions and 1 deletions
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7
doc/decoders.texi
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@ -25,6 +25,13 @@ enabled decoders.
A description of some of the currently available video decoders A description of some of the currently available video decoders
follows. follows.
@section hevc
HEVC / H.265 decoder.
Note: the @option{skip_loop_filter} option has effect only at level
@code{all}.
@section rawvideo @section rawvideo
Raw video decoder. Raw video decoder.

3
libavcodec/hevc_filter.c
View file

@ -843,7 +843,8 @@ void ff_hevc_deblocking_boundary_strengths(HEVCContext *s, int x0, int y0,
void ff_hevc_hls_filter(HEVCContext *s, int x, int y, int ctb_size) void ff_hevc_hls_filter(HEVCContext *s, int x, int y, int ctb_size)
{ {
int x_end = x >= s->ps.sps->width - ctb_size; int x_end = x >= s->ps.sps->width - ctb_size;
deblocking_filter_CTB(s, x, y); if (s->avctx->skip_loop_filter < AVDISCARD_ALL)
deblocking_filter_CTB(s, x, y);
if (s->ps.sps->sao_enabled) { if (s->ps.sps->sao_enabled) {
int y_end = y >= s->ps.sps->height - ctb_size; int y_end = y >= s->ps.sps->height - ctb_size;
if (y && x) if (y && x)