[MPlayer-users] combining a still with an audio file

arthurpeabody arthurpeabody at rickstewart.com
Wed Jul 25 23:49:01 EEST 2018


Thanks, Ms English!

>  seconds=443; for x in `seq $seconds`; do cat Sunset.jpg; done | mencoder
>  -o out.avi -fps 1 -ovc lavc -demuxer lavf -lavfdopts format=mjpeg
>  -audiofile Mirage.mp3 -oac copy -

The file produced has the audio but a blank screen (I used the correct files for input).  Does anything in the output point to the problem?  The still is much larger than my screen, but I tried with a scaled-down version also.

MEncoder 20180720-8.1.1 (C) 2000-2018 MPlayer Team
192 audio & 400 video codecs
Reading from stdin...
success: format: 0  data: 0x0 - 0x0
libavformat version 57.83.100 (external)
Forced lavf raw MJPEG video demuxer
libavformat file format detected.
[lavf] stream 0: video (mjpeg), -vid 0
VIDEO:  [MJPG]  2860x4947  0bpp  25.000 fps    0.0 kbps ( 0.0 kbyte/s)
Forced lavf raw MJPEG video demuxer
Audio only file format detected.
[V] filefmt:65536  fourcc:0x47504A4D  size:2860x4947  fps:25.000  ftime:=0.0400
Input fps will be interpreted as 1.000 instead.
libavcodec version 57.107.100 (external)
Opening video filter: [expand osd=1]
Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffmjpeg] vfm: ffmpeg (FFmpeg MJPEG)
==========================================================================
audiocodec: framecopy (format=55 chans=1 rate=22050 bits=16 B/s=4000 sample-0)
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
Movie-Aspect is undefined - no prescaling applied.
[swscaler @ 0x7f68a23c4120]bicubic scaler, from yuv444p to yuv420p using MMXEXT
videocodec: libavcodec (2860x4948 fourcc=34504d46 [FMP4])
Movie-Aspect is undefined - no prescaling applied.
Writing header...
ODML: Aspect information not (yet?) available or unspecified, not writing vprp header.
Writing header...
ODML: Aspect information not (yet?) available or unspecified, not writing vprp header.
Pos:   1.0s      1f ( 0%)  0.00fps Trem:   0min   0mb  A-V:0.000 [0:0]

Skipping frame!
Pos:   1.0s      2f ( 0%)  0.00fps Trem:   0min   0mb  A-V:0.100 [0:31]

Flushing video frames.
Writing index...
Writing header...
ODML: Aspect information not (yet?) available or unspecified, not writing vprp header.

Video stream: 4853.352 kbit/s  (606669 B/s)  size: 606669 bytes  1.000 secs  2 frames

Audio stream:   32.000 kbit/s  (3999 B/s)  size: 99892 bytes  24.973 secs


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