[FFmpeg-trac] #2396(avfilter:new): Make the Blend effect work with yuvj420p pixel format

[FFmpeg]

#2396: Make the Blend effect work with yuvj420p pixel format
-------------------------------------+------------------------------------
             Reporter:  sun          |                    Owner:
                 Type:  enhancement  |                   Status:  new
             Priority:  wish         |                Component:  avfilter
              Version:  unspecified  |               Resolution:
             Keywords:  blend        |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+------------------------------------

Comment (by sun):

 I will attach the diff.

 This is the command line output:

 {{{
 sun at shine
 /media/dd624e38-4f22-471f-b835-5d0958a4fbf0/Tests/101TEST_/Schaerfe $
 ffmpeg -i Roh2.avi -y -vcodec libx264 -acodec copy -vb 100000k -vf "split
 [T1], [T2] blend [out]; [T1] copy [T2]" -r 25 out.avi
 ffmpeg version git-2013-03-19-d4982b1 Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Mar 21 2013 19:18:21 with gcc 4.7 (Ubuntu/Linaro
 4.7.2-2ubuntu1)
   configuration: --enable-gpl --enable-libass --enable-libfaac --enable-
 libfdk-aac --enable-libmp3lame --enable-libopencore-amrnb --enable-
 libopencore-amrwb --enable-libspeex --enable-librtmp --enable-libtheora
 --enable-libvorbis --enable-libvpx --enable-x11grab --enable-libx264
 --enable-nonfree --enable-version3 --enable-frei0r
   libavutil      52. 19.101 / 52. 19.101
   libavcodec     55.  1.100 / 55.  1.100
   libavformat    55.  0.100 / 55.  0.100
   libavdevice    55.  0.100 / 55.  0.100
   libavfilter     3. 47.104 /  3. 47.104
   libswscale      2.  2.100 /  2.  2.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  2.100 / 52.  2.100
 [avi @ 0x33fe0a0] non-interleaved AVI
 Guessed Channel Layout for  Input Stream #0.1 : stereo
 Input #0, avi, from 'Roh2.avi':
   Duration: 00:00:05.40, start: 0.000000, bitrate: 22668 kb/s
     Stream #0:0: Video: h264 (High) (H264 / 0x34363248), yuvj420p,
 1920x1080, 25 fps, 25 tbr, 25 tbn, 50 tbc
     Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz,
 stereo, s16, 1536 kb/s
 [libx264 @ 0x3401ee0] using cpu capabilities: MMX2 SSE2Fast SSEMisalign
 LZCNT
 [libx264 @ 0x3401ee0] profile High, level 5.1
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf55.0.100
     Stream #0:0: Video: h264 (H264 / 0x34363248), yuv420p, 1920x1080, q=-1
 --1, 100000 kb/s, 25 tbn, 25 tbc
     Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz,
 stereo, 1536 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (h264 -> libx264)
   Stream #0:1 -> #0:1 (copy)
 Press [q] to stop, [?] for help
 frame=  134 fps=8.9 q=-1.0 Lsize=   61744kB time=00:00:05.36
 bitrate=94273.0kbits/s
 video:60719kB audio:1006kB subtitle:0 global headers:0kB muxing overhead
 0.030631%
 [libx264 @ 0x3401ee0] frame I:1     Avg QP: 0.03  size:594891
 [libx264 @ 0x3401ee0] frame P:84    Avg QP: 0.12  size:490377
 [libx264 @ 0x3401ee0] frame B:49    Avg QP: 0.36  size:416116
 [libx264 @ 0x3401ee0] consecutive B-frames: 28.4% 67.2%  4.5%  0.0%
 [libx264 @ 0x3401ee0] mb I  I16..4: 26.7% 17.8% 55.5%
 [libx264 @ 0x3401ee0] mb P  I16..4: 12.7% 10.4% 35.8%  P16..4: 15.1% 11.0%
 7.7%  0.0%  0.0%    skip: 7.3%
 [libx264 @ 0x3401ee0] mb B  I16..4:  3.6%  3.8% 15.4%  B16..8: 34.5% 14.2%
 5.9%  direct:12.5%  skip:10.0%  L0:45.2% L1:42.1% BI:12.7%
 [libx264 @ 0x3401ee0] final ratefactor: -6.06
 [libx264 @ 0x3401ee0] 8x8 transform intra:17.4% inter:33.8%
 [libx264 @ 0x3401ee0] coded y,uvDC,uvAC intra: 82.4% 79.3% 72.8% inter:
 66.3% 67.2% 64.3%
 [libx264 @ 0x3401ee0] i16 v,h,dc,p: 48% 18% 19% 15%
 [libx264 @ 0x3401ee0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 32% 16% 26%  5%  8%
 5%  3%  3%  3%
 [libx264 @ 0x3401ee0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 28% 16% 18%  4% 10%
 9%  7%  4%  3%
 [libx264 @ 0x3401ee0] i8c dc,h,v,p: 54% 13% 23%  9%
 [libx264 @ 0x3401ee0] Weighted P-Frames: Y:0.0% UV:0.0%
 [libx264 @ 0x3401ee0] ref P L0: 70.7% 12.0% 14.0%  3.3%
 [libx264 @ 0x3401ee0] ref B L0: 84.8% 15.2%  0.0%
 [libx264 @ 0x3401ee0] ref B L1: 99.2%  0.8%
 [libx264 @ 0x3401ee0] kb/s:92800.38

 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2396#comment:3>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker