[FFmpeg-trac] #904(swscale:open): yuv2rgb_mmx.c not allowing yuv422p

FFmpeg trac at avcodec.org
Tue Jan 10 15:34:03 CET 2012


#904: yuv2rgb_mmx.c not allowing yuv422p
------------------------------------+-----------------------------------
             Reporter:  ffong       |                    Owner:  michael
                 Type:  defect      |                   Status:  open
             Priority:  important   |                Component:  swscale
              Version:  git-master  |               Resolution:
             Keywords:  regression  |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
------------------------------------+-----------------------------------

Comment (by cehoyos):

 {{{
 $ ffmpeg -i yuvj422.jpg out.bmp
 ffmpeg version N-36659-g2169f97 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Jan 10 2012 15:33:43 with gcc 4.5.3
   configuration: --cc='/usr/local/gcc-4.5.3/bin/gcc -m32'
   libavutil      51. 34.100 / 51. 34.100
   libavcodec     53. 54.100 / 53. 54.100
   libavformat    53. 29.100 / 53. 29.100
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 58.100 /  2. 58.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0.  6.100 /  0.  6.100
 Input #0, image2, from 'yuvj422.jpg':
   Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: mjpeg, yuvj422p, 720x576, 25 tbr, 25 tbn, 25 tbc
 Incompatible pixel format 'yuvj422p' for codec 'bmp', auto-selecting
 format 'bgr24'
 [buffer @ 0x8dd8000] w:720 h:576 pixfmt:yuvj422p tb:1/1000000 sar:0/1
 sws_param:
 [buffersink @ 0x8dd8d20] auto-inserting filter 'auto-inserted scale 0'
 between the filter 'src' and the filter 'out'
 [scale @ 0x8dd9240] w:720 h:576 fmt:yuvj422p -> w:720 h:576 fmt:bgr24
 flags:0x4
 [swscaler @ 0x8de4280] No accelerated colorspace conversion found from
 yuv422p to bgr24.
 [swscaler @ 0x8dee060] No accelerated colorspace conversion found from
 yuv422p to bgr24.
 [swscaler @ 0x8df2b00] No accelerated colorspace conversion found from
 yuv422p to bgr24.
 Output #0, image2, to 'out.bmp':
   Metadata:
     encoder         : Lavf53.29.100
     Stream #0:0: Video: bmp, bgr24, 720x576, q=2-31, 200 kb/s, 90k tbn, 25
 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (mjpeg -> bmp)
 Press [q] to stop, [?] for help
 frame=    1 fps=  0 q=0.0 Lsize=       0kB time=00:00:00.04 bitrate=
 0.0kbits/s
 video:1215kB audio:0kB global headers:0kB muxing overhead -100.000000%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/904#comment:8>
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