def get_frame(video, when):
# out = join(tmp_path, 'frame%s.png' % when)
out = os.path.basename(video) + '.tmp_frame%f.png' % when
cmd = ("ffmpeg -ss %s -i %s -y -f image2 -vframes 1 %s" % (when, video, out))
system_cmd_result(cwd='.', cmd=cmd,
display_stdout=False,
display_stderr=False,
raise_on_error=True,
capture_keyboard_interrupt=False) # @UnusedVariable
frame = imread(out)
os.unlink(out)
return frame
def get_x264_encoder_params(crf=18, preset='medium'):
cmds = []
cmds += ['-vcodec', 'libx264']
# Let's detect ffmpeg version
res = system_cmd_result('.', ['ffmpeg', '-version'])
ffmpeg_version = res.stdout.split('\n')[0]
# SVN-r0.5.9-4:0.5.9-0ubuntu0.10.04.3
# if 'ubuntu0.10.04.3' in ffmpeg_version:
if '0.5' in ffmpeg_version: # or '0.8.6' in ffmpeg_version:
cmds += ['-vpre', 'libx264-default']
else:
cmds += ['-preset', preset]
cmds += ['-crf', '%d' % crf]
return cmds
def get_x264_encoder_params(crf=18, preset='medium'):
cmds = []
cmds += ['-vcodec', 'libx264']
# Let's detect ffmpeg version
res = system_cmd_result('.', ['ffmpeg', '-version'])
ffmpeg_version = res.stdout.split('\n')[0]
# SVN-r0.5.9-4:0.5.9-0ubuntu0.10.04.3
# if 'ubuntu0.10.04.3' in ffmpeg_version:
if '0.5' in ffmpeg_version: # or '0.8.6' in ffmpeg_version:
cmds += ['-vpre', 'libx264-default']
else:
cmds += ['-preset', preset]
cmds += ['-crf', '%d' % crf]
return cmds
def get_x264_encoder_params(crf=18, preset="medium"):
cmds = []
cmds += ["-vcodec", "libx264"]
# Let's detect ffmpeg version
res = system_cmd_result(".", ["ffmpeg", "-version"])
ffmpeg_version = res.stdout.split("\n")[0]
# SVN-r0.5.9-4:0.5.9-0ubuntu0.10.04.3
# if 'ubuntu0.10.04.3' in ffmpeg_version:
if "0.5" in ffmpeg_version: # or '0.8.6' in ffmpeg_version:
cmds += ["-vpre", "libx264-default"]
else:
cmds += ["-preset", preset]
cmds += ["-crf", "%d" % crf]
return cmds