Videoconvert needs to be optimized

[Yaroslav Andrusyak]

2014-05-19 16:34 GMT+00:00 Tim Müller <tim at centricular.com>:

> On Mon, 2014-05-19 at 16:19 +0000, Yaroslav Andrusyak wrote:
>
> Hi,
>
> it would be helpful to know what exactly you're actually
> testing/comparing/benchmarking, as in: GStreamer version used, pipeline,
> etc.
>
>  Cheers
>   -Tim
>
>
gst-launch-1.0 --version
gst-launch-1.0 version 1.2.4
GStreamer 1.2.4

gst-vaapi git
gst-omx git


OMX
gst-launch-1.0 -e matroskamux name=muxer ! progressreport ! filesink
location=/home/pont/disk/rec_2014-05-19_165945.mkv \ ximagesrc use-damage=0
! video/x-raw,format=BGRx ! videoconvert !
video/x-raw,format=NV12,framerate=25/1 ! omxh264enc ! h264parse ! queue !
muxer.video_0

VAAPI
gst-launch-1.0 -e matroskamux name=muxer ! progressreport ! filesink
location=/home/pont/disk/rec_2014-05-19_170015.mkv \ ximagesrc use-damage=0
! video/x-raw,format=BGRx ! videoconvert !
video/x-raw,format=NV12,framerate=25/1 ! vaapiencode_h264 ! queue !
muxer.video_0

Software
gst-launch-1.0 -e matroskamux name=muxer ! progressreport ! filesink
location=/home/pont/disk/rec_2014-05-19_170044.mkv \ ximagesrc use-damage=0
! video/x-raw,format=BGRx ! videoconvert !
video/x-raw,format=NV12,framerate=25/1 ! x264enc speed-preset=faster !
queue ! muxer.video_0

pert top for Gstreamer software fullhd 25fps
Samples: 297K of event 'cycles', Event count (approx.): 99651686548


 23.51%  libgstvideoconvert.so          [.] videoconvert_convert_matrix8
 23.44%  libx264.so.142                 [.]
x264_add8x8_idct_avx2.skip_prologue
 10.35%  libx264.so.142                 [.] 0x000000000009ce74
  8.45%  libx264.so.142                 [.]
x264_add8x8_idct_avx.skip_prologue
  2.97%  orcexec.47KToS                 [.] 0x00000000000000c4
  2.62%  intel_drv.so                   [.] 0x0000000000035dde
  2.45%  libgstvideo-1.0.so.0.204.0     [.] video_chroma_down_h2_guint8
  2.39%  libgstvideo-1.0.so.0.204.0     [.] video_chroma_down_v2_guint8
  2.23%  libx264.so.142                 [.]
x264_macroblock_cache_load_progressive
  2.21%  libx264.so.142                 [.] x264_me_search_ref
  1.31%  libx264.so.142                 [.] x264_macroblock_analyse
  1.27%  libx264.so.142                 [.]
x264_sub8x8_dct_avx.skip_prologue
  1.11%  libx264.so.142                 [.] x264_mb_predict_mv_ref16x16
  0.93%  libx264.so.142                 [.] x264_macroblock_cache_save
  0.61%  libx264.so.142                 [.] x264_mb_predict_mv_direct16x16
  0.56%  libx264.so.142                 [.] x264_macroblock_probe_skip


perf top for simple screen recorder fullhd 25 fps
Samples: 243K of event 'cycles', Event count (approx.): 63217744816


 33.70%  libx264.so.142                 [.]
x264_add8x8_idct_avx2.skip_prologue
 13.57%  libx264.so.142                 [.] 0x000000000001a7b6
 11.25%  libx264.so.142                 [.]
x264_add8x8_idct_avx.skip_prologue
  3.62%  intel_drv.so                   [.] 0x00000000000168c9
  3.54%  simplescreenrecorder           [.]
Convert_BGRA_YUV420_SSSE3(unsigned int, unsigned int, unsigned char const*,
int, unsigned char* const*, int const*)
  3.34%  libx264.so.142                 [.] x264_me_search_ref
  3.27%  libx264.so.142                 [.]
x264_macroblock_cache_load_progressive
  1.92%  libx264.so.142                 [.] x264_macroblock_analyse
  1.66%  libx264.so.142                 [.]
x264_sub8x8_dct_avx.skip_prologue
  1.61%  libx264.so.142                 [.] x264_mb_predict_mv_ref16x16
  1.42%  libx264.so.142                 [.] x264_macroblock_cache_save
  0.91%  libx264.so.142                 [.] x264_mb_predict_mv_direct16x16
  0.76%  libpepflashplayer.so           [.] 0x00000000001f4980
  0.64%  libx264.so.142                 [.] x264_macroblock_probe_skip
  0.54%  libx264.so.142                 [.] x264_ratecontrol_mb_qp
  0.54%  perf                           [.] 0x0000000000067856
  0.43%  i965_dri.so                    [.] 0x00000000002e59a9
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