/[amv]/frames.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 18 by dpavlin, Sat Jul 21 15:02:51 2007 UTC revision 26 by dpavlin, Sat Aug 18 11:21:00 2007 UTC
# Line 14  my $tmp = '/tmp/frames'; Line 14  my $tmp = '/tmp/frames';
14  my $out = '/tmp/frames.avi';  my $out = '/tmp/frames.avi';
15  my $jpeg_q = 100;  my $jpeg_q = 100;
16  my $repeat = 1;  my $repeat = 1;
17    my $vary_jpeg_q = 0;
18    $repeat = 16;
19    my $audio = '-i /tmp/test-pcm.wav';
20    
21  GetOptions(  GetOptions(
22          "jpeg-q=i" => \$jpeg_q,          "jpeg-q=i" => \$jpeg_q,
# Line 71  foreach my $c ( @cols ) { Line 74  foreach my $c ( @cols ) {
74                  my $path = sprintf('%s/%03d.jpg', $tmp, $frame);                  my $path = sprintf('%s/%03d.jpg', $tmp, $frame);
75                  save_jpeg( $path, $jpeg_q );                  save_jpeg( $path, $jpeg_q );
76    
77                  foreach my $q ( 1 .. 100 ) {                  if ( $vary_jpeg_q ) {
78                          my $path = sprintf('%s/%03d-q%03d.jpg', $tmp, $frame, $q );                          foreach my $q ( 1 .. 100 ) {
79                          save_jpeg( $path, $q );                                  my $path = sprintf('%s/%03d-q%03d.jpg', $tmp, $frame, $q );
80                                    save_jpeg( $path, $q );
81                            }
82                  }                  }
83    
84                  warn "frame $frame $jpeg_q% ", -s $path, " bytes\n";                  warn "frame $frame $jpeg_q% ", -s $path, " bytes\n";
85                  $frame++;                  $frame++;
86          }          }
87  }  }
88    
89  my $cmd = "ffmpeg -i $tmp/%03d.jpg -r 16 -y $out";  my $cmd = "ffmpeg -i $tmp/%03d.jpg $audio -r 16 -vcodec mjpeg -acodec adpcm_ms -ar 22050 -y $out";
90  warn "## $cmd\n";  warn "## $cmd\n";
91  system($cmd) == 0 or die "encoding failed: $?";  system($cmd) == 0 or die "encoding failed: $?";
92    
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