def debug(string):
fmt = lambda x: prefix + colored(x, **color_debug)
logger.info(fmt(string))
def info(string):
fmt = lambda x: prefix + colored(x, **color_info)
logger.info(fmt(string))
def debug(string):
fmt = lambda x: prefix + colored(x, **color_debug)
logger.info(fmt(string))
def info(string):
fmt = lambda x: prefix + colored(x, **color_info)
logger.info(fmt(string))
def pg_video_convert(filename,
out,
quiet=True,
container=None,
vcodec=None,
vcodec_params={},
timestamp=None,
metadata={}):
"""
Converts a video file (e.g. an AVI) to another format.
It makes sure to write information to preserve timestamp and the given metadata.
One can then be guaranteed to access this data using the pg_info_video() function.
"""
logger.info('pg_video_convert:\n<- %s\n-> %s' % (filename, out))
if container is None:
container = guess_container(out)
assert container in CONTAINERS
if vcodec is None:
vcodec, vcodec_params = guess_vcodec(container)
logger.info('container: %s' % container)
logger.info('vcodec: %s' % vcodec)
logger.info('vcodec_params: %s' % vcodec_params)
no_audio = True
cmds = ['ffmpeg']
# For using aac out
# cmds += ['-strict', '-2']
cmds += ['-y']
cmds += ['-i', filename]
if no_audio:
cmds += ['-an']
cmds += VCODECS[vcodec](**vcodec_params)
info = pg_video_info(filename)
info['metadata'].update(metadata)
if timestamp is None:
timestamp = info['timestamp']
cmds += get_ffmpeg_metadata_args(metadata, timestamp)
# cmds += ['-f', container]
if container == CONTAINER_MP4:
out1 = out + '.firstpass.mp4'
cmds += [out1]
else:
out1 = out
cmds += [out1]
try:
system_cmd_result('.', cmds,
display_stdout=not quiet,
display_stderr=not quiet,
raise_on_error=True,
capture_keyboard_interrupt=False)
except CmdException:
if os.path.exists(out1):
os.unlink(out1)
raise
assert os.path.exists(out1)
if container == CONTAINER_MP4:
# do_quickstart(out1, out)
warnings.warn("Not sure why quickstart does not work.")
os.rename(out1, out)
else:
assert out1 == out
if not supports_full_metadata(container):
write_extra_metadata_for(out, metadata)
def pg_video_convert(filename,
out,
quiet=True,
container=None,
vcodec=None,
vcodec_params={},
timestamp=None,
metadata={}):
"""
Converts a video file (e.g. an AVI) to another format.
container: one of "mkv", "mp4", "mov"
vcodec : vcodec params with defaults
'prores': profile=3, qv=None
'x264': crf=18, preset='medium'
It makes sure to write information to preserve timestamp
and the given metadata.
One can then be guaranteed to access this data using
the pg_info_video() function.
"""
logger.info('pg_video_convert:\n<- %s\n-> %s' % (filename, out))
if container is None:
container = guess_container(out)
assert container in CONTAINERS
if vcodec is None:
vcodec, vcodec_params = guess_vcodec(container)
logger.info('container: %s' % container)
logger.info('vcodec: %s' % vcodec)
logger.info('vcodec_params: %s' % vcodec_params)
no_audio = True
cmds = ['ffmpeg']
# For using aac out
# cmds += ['-strict', '-2']
cmds += ['-y']
cmds += ['-i', filename]
if no_audio:
cmds += ['-an']
cmds += VCODECS[vcodec](**vcodec_params)
info = pg_video_info(filename, intolerant=False)
info['metadata'].update(metadata)
if timestamp is None:
timestamp = info['timestamp']
else:
timestamp = float(timestamp)
cmds += get_ffmpeg_metadata_args(metadata, timestamp)
# cmds += ['-f', container]
if container == CONTAINER_MP4:
out1 = out + '.firstpass.mp4'
cmds += [out1]
else:
out1 = out
cmds += [out1]
try:
system_cmd_result('.', cmds,
display_stdout=not quiet,
display_stderr=not quiet,
raise_on_error=True,
capture_keyboard_interrupt=False)
except CmdException:
if os.path.exists(out1):
os.unlink(out1)
raise
assert os.path.exists(out1)
if container == CONTAINER_MP4:
do_quickstart(out1, out)
os.remove(out1)
# warnings.warn("Not sure why quickstart does not work.")
# os.rename(out1, out)
else:
assert out1 == out
if not os.path.exists(out):
logger.error('Something is wrong, path does not exist.\nPath: %s' % out)
if not supports_full_metadata(container):
write_extra_metadata_for(out, metadata)