def test_round_trip(input_filename):
"""Convert the input file to a wav file, then back to an mp3 file."""
result = audio.ffmpeg(input_filename, overwrite=False, verbose=True)
audio.ffmpeg_error_check(result[1])
sampleRate, numChannels = audio.settings_from_ffmpeg(result[1])
temp_file_handle, temp_filename = tempfile.mkstemp(".wav")
result = audio.ffmpeg(input_filename, temp_filename, overwrite=True,
numChannels=numChannels, sampleRate=sampleRate, verbose=True)
audio.ffmpeg_error_check(result[1])
temp_filesize = os.path.getsize(temp_filename)
print 'temp file size: %s bytes' % temp_filesize
output_filename = 'output_file.mp3'
result = audio.ffmpeg(temp_filename, output_filename, overwrite=True,
numChannels=numChannels, sampleRate=sampleRate, verbose=True)
audio.ffmpeg_error_check(result[1])
if temp_file_handle is not None:
os.close(temp_file_handle)
os.remove(temp_filename)
input_filesize = os.path.getsize(input_filename)
output_filesize = os.path.getsize(output_filename)
difference = output_filesize - input_filesize
args = (input_filesize, output_filesize, difference)
print 'input file size: %s bytes | output file size: %s bytes | difference: %s bytes ' % args
if abs(int(difference)) > 1000:
print 'input and output files are different sizes. something might be wrong with your ffmpeg.'
else:
print 'Ok!'
def test_round_trip(input_filename):
"""Convert the input file to a wav file, then back to an mp3 file."""
result = audio.ffmpeg(input_filename, overwrite=False, verbose=True)
audio.ffmpeg_error_check(result[1])
sampleRate, numChannels = audio.settings_from_ffmpeg(result[1])
temp_file_handle, temp_filename = tempfile.mkstemp(".wav")
result = audio.ffmpeg(input_filename,
temp_filename,
overwrite=True,
numChannels=numChannels,
sampleRate=sampleRate,
verbose=True)
audio.ffmpeg_error_check(result[1])
temp_filesize = os.path.getsize(temp_filename)
print 'temp file size: %s bytes' % temp_filesize
output_filename = 'output_file.mp3'
result = audio.ffmpeg(temp_filename,
output_filename,
overwrite=True,
numChannels=numChannels,
sampleRate=sampleRate,
verbose=True)
audio.ffmpeg_error_check(result[1])
if temp_file_handle is not None:
os.close(temp_file_handle)
os.remove(temp_filename)
input_filesize = os.path.getsize(input_filename)
output_filesize = os.path.getsize(output_filename)
difference = output_filesize - input_filesize
args = (input_filesize, output_filesize, difference)
print 'input file size: %s bytes | output file size: %s bytes | difference: %s bytes ' % args
if abs(int(difference)) > 1000:
print 'input and output files are different sizes. something might be wrong with your ffmpeg.'
else:
print 'Ok!'
def test_en_ffmpeg_exists(input_filename):
"""Don't do any conversion, just see if en-ffmpeg, the command used
by Remix, is installed."""
result = audio.ffmpeg(input_filename, overwrite=False, verbose=True)
audio.ffmpeg_error_check(result[1])
def test_en_ffmpeg_exists(input_filename):
"""Don't do any conversion, just see if en-ffmpeg, the command used
by Remix, is installed."""
result = audio.ffmpeg(input_filename, overwrite=False, verbose=True)
audio.ffmpeg_error_check(result[1])
