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Update split_silence

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This commit is contained in:
Karl Kroening 2018-01-13 16:14:37 -08:00
parent c72c86e82f
commit 496f670b04
1 changed files with 9 additions and 10 deletions
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19
examples/split_silence.py
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@ -48,7 +48,7 @@ def get_chunk_times(in_filename, silence_threshold, silence_duration, start_time
if end_time is not None: if end_time is not None:
input_kwargs['t'] = end_time - start_time input_kwargs['t'] = end_time - start_time
p = _logged_popen( child = _logged_popen(
(ffmpeg (ffmpeg
.input(in_filename, **input_kwargs) .input(in_filename, **input_kwargs)
.filter_('silencedetect', n='{}dB'.format(silence_threshold), d=silence_duration) .filter_('silencedetect', n='{}dB'.format(silence_threshold), d=silence_duration)
@ -57,8 +57,8 @@ def get_chunk_times(in_filename, silence_threshold, silence_duration, start_time
) + ['-nostats'], # FIXME: use .nostats() once it's implemented in ffmpeg-python. ) + ['-nostats'], # FIXME: use .nostats() once it's implemented in ffmpeg-python.
stderr=subprocess.PIPE stderr=subprocess.PIPE
) )
output = p.communicate()[1].decode('utf-8') output = child.communicate()[1].decode('utf-8')
if p.returncode != 0: if child.returncode != 0:
sys.stderr.write(output) sys.stderr.write(output)
sys.exit(1) sys.exit(1)
logger.debug(output) logger.debug(output)
@ -127,25 +127,24 @@ def split_audio(
input = ffmpeg.input(in_filename, ss=start_time, t=time) input = ffmpeg.input(in_filename, ss=start_time, t=time)
if padding > 0.: if padding > 0.:
silence = ffmpeg.input('aevalsrc=0:0::duration={}'.format(padding), format='lavfi') silence = ffmpeg.input('anullsrc', format='lavfi', t=padding)
input = ffmpeg.concat(silence, input, v=0, a=1) input = ffmpeg.concat(silence, input, silence, v=0, a=1)
ffmpeg_cmd = (input ffmpeg_cmd = (input
.output(out_filename) .output(out_filename)
.overwrite_output() .overwrite_output()
.compile() .compile()
) )
print ffmpeg_cmd
p = _logged_popen( child = _logged_popen(
ffmpeg_cmd, ffmpeg_cmd,
stdout=subprocess.PIPE if not verbose else None, stdout=subprocess.PIPE if not verbose else None,
stderr=subprocess.PIPE if not verbose else None, stderr=subprocess.PIPE if not verbose else None,
) )
out = p.communicate() out = child.communicate()
if p.returncode != 0: if child.returncode != 0:
if not verbose: if not verbose:
sys.stderr.write(out[1]) sys.stderr.write(out[1].decode('utf-8'))
sys.exit(1) sys.exit(1)