try:
sound.set_audio_info_fields(info)
except Exception, e: # Could not catch a more specific exception
failure("failed writting audio info fields to db", e)
for mp3_path, quality in [(sound.locations("preview.LQ.mp3.path"),70), (sound.locations("preview.HQ.mp3.path"), 192)]:
# create preview
try:
os.makedirs(os.path.dirname(mp3_path))
except OSError:
pass
try:
audioprocessing.convert_to_mp3(tmp_wavefile2, mp3_path, quality)
except AudioProcessingException, e:
cleanup(to_cleanup)
failure("conversion to mp3 (preview) has failed", e)
return False
except Exception, e:
failure("unhandled exception", e)
cleanup(to_cleanup)
return False
success("created mp3: " + mp3_path)
for ogg_path, quality in [(sound.locations("preview.LQ.ogg.path"),1), (sound.locations("preview.HQ.ogg.path"), 6)]:
# create preview
try:
os.makedirs(os.path.dirname(ogg_path))
except OSError:
cleanup(to_cleanup)
return False
success("got sound info and stereofied: " + tmp_wavefile2)
sound.set_audio_info_fields(info)
for mp3_path, quality in [(sound.locations("preview.LQ.mp3.path"), 70),
(sound.locations("preview.HQ.mp3.path"), 192)]:
# create preview
try:
os.makedirs(os.path.dirname(mp3_path))
except OSError:
pass
try:
audioprocessing.convert_to_mp3(tmp_wavefile2, mp3_path, quality)
except AudioProcessingException, e:
cleanup(to_cleanup)
failure("conversion to mp3 (preview) has failed", e)
return False
except Exception, e:
failure("unhandled exception", e)
cleanup(to_cleanup)
return False
success("created mp3: " + mp3_path)
for ogg_path, quality in [(sound.locations("preview.LQ.ogg.path"), 1),
(sound.locations("preview.HQ.ogg.path"), 6)]:
# create preview
try:
os.makedirs(os.path.dirname(ogg_path))
def process(self, skip_previews=False, skip_displays=False):
with TemporaryDirectory(
prefix='processing_%s_' % self.sound.id,
dir=settings.PROCESSING_TEMP_DIR) as tmp_directory:
# Change ongoing processing state to "processing" in Sound model
self.sound.set_processing_ongoing_state("PR")
# Get the path of the original sound and convert to PCM
try:
sound_path = self.get_sound_path()
tmp_wavefile = self.convert_to_pcm(sound_path, tmp_directory)
except AudioProcessingException as e:
self.set_failure(e)
return False
# Now get info about the file, stereofy it and save new stereofied PCM version in `tmp_wavefile2`
try:
fh, tmp_wavefile2 = tempfile.mkstemp(suffix=".wav", prefix="%i_" % self.sound.id, dir=tmp_directory)
# Close file handler as we don't use it from Python
os.close(fh)
info = audioprocessing.stereofy_and_find_info(settings.STEREOFY_PATH, tmp_wavefile, tmp_wavefile2)
except IOError as e:
# Could not create tmp file
self.set_failure("could not create tmp_wavefile2 file", e)
return False
except OSError as e:
self.set_failure("stereofy has failed, "
"make stereofy sure executable exists at %s: %s" % (settings.SOUNDS_PATH, e))
return False
except AudioProcessingException as e:
if "File contains data in an unknown format" in str(e):
# Stereofy failed most probably because PCM file is corrupted. This can happen if "convert_to_pcm"
# above is skipped because the file is already PCM but it has wrong format. It can also happen in
# other occasions where "convert_to_pcm" generates bad PCM files. In this case we try to re-create
# the PCM file using ffmpeg and try re-running stereofy
self.log_info("stereofy failed, trying re-creating PCM file with ffmpeg and re-running stereofy")
try:
tmp_wavefile = self.convert_to_pcm(sound_path, tmp_directory, force_use_ffmpeg=True)
info = audioprocessing.stereofy_and_find_info(settings.STEREOFY_PATH,
tmp_wavefile, tmp_wavefile2)
except AudioProcessingException as e:
self.set_failure("re-run of stereofy with ffmpeg conversion has failed", str(e))
return False
except Exception as e:
self.set_failure("unhandled exception while re-running stereofy with ffmpeg conversion", e)
return False
else:
self.set_failure("stereofy has failed", str(e))
return False
except Exception as e:
self.set_failure("unhandled exception while getting info and running stereofy", e)
return False
self.log_info("got sound info and stereofied: " + tmp_wavefile2)
# Fill audio information fields in Sound object
try:
if self.sound.type in ["mp3", "ogg", "m4a"]:
info['bitdepth'] = 0 # mp3 and ogg don't have bitdepth
self.sound.set_audio_info_fields(**info)
except Exception as e: # Could not catch a more specific exception
self.set_failure("failed writting audio info fields to db", e)
return False
# Generate MP3 and OGG previews
if not skip_previews:
# Create directory to store previews (if it does not exist)
# Same directory is used for all MP3 and OGG previews of a given sound so we only need to run this once
try:
create_directories(os.path.dirname(self.sound.locations("preview.LQ.mp3.path")))
except OSError:
self.set_failure("could not create directory for previews")
return False
# Generate MP3 previews
for mp3_path, quality in [(self.sound.locations("preview.LQ.mp3.path"), 70),
(self.sound.locations("preview.HQ.mp3.path"), 192)]:
try:
audioprocessing.convert_to_mp3(tmp_wavefile2, mp3_path, quality)
except OSError as e:
self.set_failure("conversion to mp3 (preview) has failed, "
"make sure that lame executable exists: %s" % e)
return False
except AudioProcessingException as e:
self.set_failure("conversion to mp3 (preview) has failed", e)
return False
except Exception as e:
self.set_failure("unhandled exception generating MP3 previews", e)
return False
self.log_info("created mp3: " + mp3_path)
# Generate OGG previews
for ogg_path, quality in [(self.sound.locations("preview.LQ.ogg.path"), 1),
(self.sound.locations("preview.HQ.ogg.path"), 6)]:
try:
audioprocessing.convert_to_ogg(tmp_wavefile2, ogg_path, quality)
except OSError as e:
self.set_failure("conversion to ogg (preview) has failed, "
"make sure that oggenc executable exists: %s" % e)
return False
except AudioProcessingException as e:
self.set_failure("conversion to ogg (preview) has failed", e)
return False
except Exception as e:
self.set_failure("unhandled exception generating OGG previews", e)
return False
self.log_info("created ogg: " + ogg_path)
# Generate display images for different sizes and colour scheme front-ends
if not skip_displays:
# Create directory to store display images (if it does not exist)
# Same directory is used for all displays of a given sound so we only need to run this once
try:
create_directories(os.path.dirname(self.sound.locations("display.wave.M.path")))
except OSError:
self.set_failure("could not create directory for displays")
return False
# Generate display images, M and L sizes for NG and BW front-ends
for width, height, color_scheme, waveform_path, spectral_path in [
(120, 71, color_schemes.FREESOUND2_COLOR_SCHEME,
self.sound.locations("display.wave.M.path"), self.sound.locations("display.spectral.M.path")),
(500, 201, color_schemes.BEASTWHOOSH_COLOR_SCHEME,
self.sound.locations("display.wave_bw.M.path"), self.sound.locations("display.spectral_bw.M.path")),
(900, 201, color_schemes.FREESOUND2_COLOR_SCHEME,
self.sound.locations("display.wave.L.path"), self.sound.locations("display.spectral.L.path")),
(1500, 401, color_schemes.BEASTWHOOSH_COLOR_SCHEME,
self.sound.locations("display.wave_bw.L.path"), self.sound.locations("display.spectral_bw.L.path"))
]:
try:
fft_size = 2048
audioprocessing.create_wave_images(tmp_wavefile2, waveform_path, spectral_path, width, height,
fft_size, color_scheme=color_scheme)
self.log_info("created wave and spectrogram images: %s, %s" % (waveform_path, spectral_path))
except AudioProcessingException as e:
self.set_failure("creation of display images has failed", e)
return False
except Exception as e:
self.set_failure("unhandled exception while generating displays", e)
return False
# Change processing state and processing ongoing state in Sound model
self.sound.set_processing_ongoing_state("FI")
self.sound.change_processing_state("OK", processing_log=self.work_log)
# Copy previews and display files to mirror locations
copy_previews_to_mirror_locations(self.sound)
copy_displays_to_mirror_locations(self.sound)
return True
def process(sound):
def write_log(message):
logger.info("[%d] %i: %s" % (os.getpid(), sound.id, message))
sys.stdout.write(str(message) + '\n')
sys.stdout.flush()
def failure(message, error=None):
sound.set_processing_ongoing_state("FI")
sound.change_processing_state("FA", use_set_instead_of_save=True)
logging_message = "Failed to process sound with id %s\n" % sound.id
logging_message += "\tmessage: %s\n" % message
if error:
logging_message += "\terror: %s\n" % str(error)
write_log(logging_message)
def success(message):
write_log(message)
def cleanup(files):
success("cleaning up files after processing: " + ", ".join(files))
for filename in files:
try:
os.unlink(filename)
except:
pass
# not saving the date of the processing attempt anymore
sound.set_processing_ongoing_state("PR")
new_path = sound.locations('path')
# Is the file at its new location?
if not os.path.exists(new_path):
# Is the file at its old location?
if not sound.original_path or not os.path.exists(sound.original_path):
failure(
"The file to be processed can't be found at its FS1 nor at its FS2 location."
)
return False
else:
success("Found the file at its FS1 location: %s" %
sound.original_path)
if not sound.original_path.startswith('/mnt/freesound-data/'):
failure(
"The file appears to be in a weird location and not in '/mnt/freesound-data/'!."
)
return False
success("Copying file from %s to %s" %
(sound.original_path, new_path))
dest_dir = os.path.dirname(new_path)
if not os.path.exists(dest_dir):
try:
os.makedirs(dest_dir)
except:
failure("Could not create destination directory %s" %
dest_dir)
return False
shutil.copy(sound.original_path, new_path)
sound.set_original_path(new_path)
success("Copied file from its FS1 to FS2 location.")
else:
success("Found the file at its FS2 location: %s" % new_path)
if sound.original_path != new_path:
sound.set_original_path(new_path)
# convert to pcm
to_cleanup = []
try:
tmp_wavefile = tempfile.mktemp(suffix=".wav", prefix=str(sound.id))
except IOError as e:
# Could not create tmp file
failure("could not create tmp file", e)
try:
if not audioprocessing.convert_to_pcm(sound.original_path,
tmp_wavefile):
tmp_wavefile = sound.original_path
success("no need to convert, this file is already pcm data")
else:
to_cleanup.append(tmp_wavefile)
success("converted to pcm: " + tmp_wavefile)
except AudioProcessingException as e:
failure("conversion to pcm has failed, trying ffmpeg", e)
try:
audioprocessing.convert_using_ffmpeg(sound.original_path,
tmp_wavefile)
to_cleanup.append(tmp_wavefile)
success("converted to pcm: " + tmp_wavefile)
except AudioProcessingException as e:
failure("conversion to pcm with ffmpeg failed", e)
return False
except Exception as e:
failure("unhandled exception", e)
cleanup(to_cleanup)
return False
tmp_wavefile2 = tempfile.mktemp(suffix=".wav", prefix=str(sound.id))
try:
info = audioprocessing.stereofy_and_find_info(settings.STEREOFY_PATH,
tmp_wavefile,
tmp_wavefile2)
to_cleanup.append(tmp_wavefile2)
except AudioProcessingException as e:
failure("stereofy has failed, trying ffmpeg first", e)
try:
audioprocessing.convert_using_ffmpeg(sound.original_path,
tmp_wavefile)
info = audioprocessing.stereofy_and_find_info(
settings.STEREOFY_PATH, tmp_wavefile, tmp_wavefile2)
#if tmp_wavefile not in to_cleanup: to_cleanup.append(tmp_wavefile)
to_cleanup.append(tmp_wavefile2)
except AudioProcessingException as e:
failure("ffmpeg + stereofy failed", e)
cleanup(to_cleanup)
return False
except Exception as e:
failure("unhandled exception", e)
cleanup(to_cleanup)
return False
success("got sound info and stereofied: " + tmp_wavefile2)
if sound.type in ["mp3", "ogg", "m4a"]:
info['bitdepth'] = 0 # mp3 and ogg don't have bitdepth
try:
sound.set_audio_info_fields(info)
except Exception as e: # Could not catch a more specific exception
failure("failed writting audio info fields to db", e)
for mp3_path, quality in [(sound.locations("preview.LQ.mp3.path"), 70),
(sound.locations("preview.HQ.mp3.path"), 192)]:
# create preview
try:
os.makedirs(os.path.dirname(mp3_path))
except OSError:
pass
try:
audioprocessing.convert_to_mp3(tmp_wavefile2, mp3_path, quality)
except AudioProcessingException as e:
cleanup(to_cleanup)
failure("conversion to mp3 (preview) has failed", e)
return False
except Exception as e:
failure("unhandled exception", e)
cleanup(to_cleanup)
return False
success("created mp3: " + mp3_path)
for ogg_path, quality in [(sound.locations("preview.LQ.ogg.path"), 1),
(sound.locations("preview.HQ.ogg.path"), 6)]:
# create preview
try:
os.makedirs(os.path.dirname(ogg_path))
except OSError:
pass
try:
audioprocessing.convert_to_ogg(tmp_wavefile2, ogg_path, quality)
except AudioProcessingException as e:
cleanup(to_cleanup)
failure("conversion to ogg (preview) has failed", e)
return False
except Exception as e:
failure("unhandled exception", e)
cleanup(to_cleanup)
return False
success("created ogg: " + ogg_path)
# create waveform images M
waveform_path_m = sound.locations("display.wave.M.path")
spectral_path_m = sound.locations("display.spectral.M.path")
try:
os.makedirs(os.path.dirname(waveform_path_m))
except OSError:
pass
try:
audioprocessing.create_wave_images(tmp_wavefile2, waveform_path_m,
spectral_path_m, 120, 71, 2048)
except AudioProcessingException as e:
cleanup(to_cleanup)
failure("creation of images (M) has failed", e)
return False
except Exception as e:
failure("unhandled exception", e)
cleanup(to_cleanup)
return False
success("created previews, medium")
# create waveform images L
waveform_path_l = sound.locations("display.wave.L.path")
spectral_path_l = sound.locations("display.spectral.L.path")
try:
audioprocessing.create_wave_images(tmp_wavefile2, waveform_path_l,
spectral_path_l, 900, 201, 2048)
except AudioProcessingException as e:
cleanup(to_cleanup)
failure("creation of images (L) has failed", e)
return False
except Exception as e:
failure("unhandled exception", e)
cleanup(to_cleanup)
return False
success("created previews, large")
cleanup(to_cleanup)
sound.set_processing_ongoing_state("FI")
sound.change_processing_state("OK", use_set_instead_of_save=True)
# Copy previews and display files to mirror locations
copy_previews_to_mirror_locations(sound)
copy_displays_to_mirror_locations(sound)
return True
def process(sound, skip_previews=False, skip_displays=False):
def write_log(message):
sys.stdout.write(str(message) + '\n')
sys.stdout.flush()
logger.info("[%d] %i: %s" % (os.getpid(), sound.id, message))
def create_directory(path):
try:
os.makedirs(path)
except OSError as exc:
if exc.errno == errno.EEXIST and os.path.isdir(path):
# Directory already exists
pass
else:
# Directory could not be created, raise exception
raise
def cleanup(files):
success("cleaning up processing files: " + ", ".join(files))
for filename in files:
try:
os.unlink(filename)
except:
pass
def failure(message, error=None):
sound.set_processing_ongoing_state("FI")
sound.change_processing_state("FA", use_set_instead_of_save=True)
logging_message = "ERROR: Failed to process sound with id %s\n" % sound.id
logging_message += "\tmessage: %s\n" % message
if error:
logging_message += "\terror: %s" % str(error)
write_log(logging_message)
cleanup(to_cleanup)
def success(message):
write_log('- ' + message)
to_cleanup = [
] # This will hold a list of files to cleanup after processing
# Change ongoing processing state to "processing" in Sound model
sound.set_processing_ongoing_state("PR")
# Get the path of the original sound
sound_path = sound.locations('path')
if settings.USE_PREVIEWS_WHEN_ORIGINAL_FILES_MISSING and not os.path.exists(
sound_path):
sound_path = sound.locations('preview.LQ.mp3.path')
if not os.path.exists(sound_path):
failure("can't process sound as file does not exist")
return False
success("file to process found in " + sound_path)
# Convert to PCM and save PCM version in `tmp_wavefile`
try:
tmp_wavefile = tempfile.mktemp(suffix=".wav", prefix=str(sound.id))
if not audioprocessing.convert_to_pcm(sound_path, tmp_wavefile):
tmp_wavefile = sound_path
success("no need to convert, this file is already PCM data")
else:
to_cleanup.append(tmp_wavefile)
success("converted to pcm: " + tmp_wavefile)
except IOError as e:
# Could not create tmp file
failure("could not create tmp_wavefile file", e)
return False
except AudioProcessingException as e:
try:
audioprocessing.convert_using_ffmpeg(sound_path, tmp_wavefile)
to_cleanup.append(tmp_wavefile)
success("converted to PCM: " + tmp_wavefile)
except AudioProcessingException as e:
failure("conversion to PCM failed", e)
return False
except Exception as e:
failure("unhandled exception while converting to PCM", e)
return False
# Now get info about the file, stereofy it and save new stereofied PCM version in `tmp_wavefile2`
try:
tmp_wavefile2 = tempfile.mktemp(suffix=".wav", prefix=str(sound.id))
to_cleanup.append(tmp_wavefile2)
info = audioprocessing.stereofy_and_find_info(settings.STEREOFY_PATH,
tmp_wavefile,
tmp_wavefile2)
if sound.type in ["mp3", "ogg", "m4a"]:
info['bitdepth'] = 0 # mp3 and ogg don't have bitdepth
success("got sound info and stereofied: " + tmp_wavefile2)
except IOError as e:
# Could not create tmp file
failure("could not create tmp_wavefile2 file", e)
return False
except AudioProcessingException as e:
failure("stereofy has failed", e)
return False
except Exception as e:
failure("unhandled exception while getting info and running stereofy",
e)
return False
# Fill audio information fields in Sound object
try:
sound.set_audio_info_fields(info)
except Exception as e: # Could not catch a more specific exception
failure("failed writting audio info fields to db", e)
return False
# Generate MP3 and OGG previews
if not skip_previews:
# Create directory to store previews (if it does not exist)
# Same directory is used for all MP3 and OGG previews of a given sound so we only need to run this once
try:
create_directory(
os.path.dirname(sound.locations("preview.LQ.mp3.path")))
except OSError:
failure("could not create directory for previews")
return False
# Generate MP3 previews
for mp3_path, quality in [(sound.locations("preview.LQ.mp3.path"), 70),
(sound.locations("preview.HQ.mp3.path"), 192)
]:
try:
audioprocessing.convert_to_mp3(tmp_wavefile2, mp3_path,
quality)
except AudioProcessingException as e:
failure("conversion to mp3 (preview) has failed", e)
return False
except Exception as e:
failure("unhandled exception generating MP3 previews", e)
return False
success("created mp3: " + mp3_path)
# Generate OGG previews
for ogg_path, quality in [(sound.locations("preview.LQ.ogg.path"), 1),
(sound.locations("preview.HQ.ogg.path"), 6)]:
try:
audioprocessing.convert_to_ogg(tmp_wavefile2, ogg_path,
quality)
except AudioProcessingException as e:
failure("conversion to ogg (preview) has failed", e)
return False
except Exception as e:
failure("unhandled exception generating OGG previews", e)
return False
success("created ogg: " + ogg_path)
# Generate display images for different sizes and colour scheme front-ends
if not skip_displays:
# Create directory to store display images (if it does not exist)
# Same directory is used for all displays of a given sound so we only need to run this once
try:
create_directory(
os.path.dirname(sound.locations("display.wave.M.path")))
except OSError:
failure("could not create directory for displays")
return False
# Generate display images, M and L sizes for NG and BW front-ends
for width, height, color_scheme, waveform_path, spectral_path in [
(120, 71, color_schemes.FREESOUND2_COLOR_SCHEME,
sound.locations("display.wave.M.path"),
sound.locations("display.spectral.M.path")),
(500, 201, color_schemes.BEASTWHOOSH_COLOR_SCHEME,
sound.locations("display.wave_bw.M.path"),
sound.locations("display.spectral_bw.M.path")),
(900, 201, color_schemes.FREESOUND2_COLOR_SCHEME,
sound.locations("display.wave.L.path"),
sound.locations("display.spectral.L.path")),
(1500, 401, color_schemes.BEASTWHOOSH_COLOR_SCHEME,
sound.locations("display.wave_bw.L.path"),
sound.locations("display.spectral_bw.L.path"))
]:
try:
fft_size = 2048
audioprocessing.create_wave_images(tmp_wavefile2,
waveform_path,
spectral_path,
width,
height,
fft_size,
color_scheme=color_scheme)
success("created wave and spectrogram images: %s, %s" %
(waveform_path, spectral_path))
except AudioProcessingException as e:
failure("creation of display images has failed", e)
return False
except Exception as e:
failure("unhandled exception while generating displays", e)
return False
# Clean up temp files
cleanup(to_cleanup)
# Change processing state and processing ongoing state in Sound model
sound.set_processing_ongoing_state("FI")
sound.change_processing_state("OK", use_set_instead_of_save=True)
# Copy previews and display files to mirror locations
copy_previews_to_mirror_locations(sound)
copy_displays_to_mirror_locations(sound)
return True
