98213c4196
Document having clean test run. * morituri/common/encode.py: Catch and properly stop on gst.QueryError. Don't set peak in stop if we had an error. * morituri/test/test_common_encode.py: * morituri/test/test_common_renamer.py: * morituri/test/test_image_cue.py: Clean up after tests.
261 lines
7.4 KiB
Python
261 lines
7.4 KiB
Python
# -*- Mode: Python; test-case-name: morituri.test.test_common_encode -*-
|
|
# vi:si:et:sw=4:sts=4:ts=4
|
|
|
|
# Morituri - for those about to RIP
|
|
|
|
# Copyright (C) 2009 Thomas Vander Stichele
|
|
|
|
# This file is part of morituri.
|
|
#
|
|
# morituri is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# morituri is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with morituri. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
import math
|
|
|
|
from morituri.common import common, task
|
|
|
|
from morituri.common import log
|
|
log.init()
|
|
|
|
class Profile(object):
|
|
name = None
|
|
extension = None
|
|
pipeline = None
|
|
losless = None
|
|
|
|
def test(self):
|
|
"""
|
|
Test if this profile will work.
|
|
Can check for elements, ...
|
|
"""
|
|
pass
|
|
|
|
class FlacProfile(Profile):
|
|
name = 'flac'
|
|
extension = 'flac'
|
|
pipeline = 'flacenc name=tagger quality=8'
|
|
lossless = True
|
|
|
|
# FIXME: we should do something better than just printing ERRORS
|
|
def test(self):
|
|
|
|
# here to avoid import gst eating our options
|
|
import gst
|
|
|
|
plugin = gst.registry_get_default().find_plugin('flac')
|
|
if not plugin:
|
|
print 'ERROR: cannot find flac plugin'
|
|
return False
|
|
|
|
versionTuple = tuple([int(x) for x in plugin.get_version().split('.')])
|
|
if len(versionTuple) < 4:
|
|
versionTuple = versionTuple + (0, )
|
|
if versionTuple > (0, 10, 9, 0) and versionTuple <= (0, 10, 15, 0):
|
|
print 'ERROR: flacenc between 0.10.9 and 0.10.15 has a bug'
|
|
return False
|
|
|
|
return True
|
|
|
|
class AlacProfile(Profile):
|
|
name = 'alac'
|
|
extension = 'alac'
|
|
pipeline = 'ffenc_alac name=tagger'
|
|
lossless = True
|
|
|
|
class WavProfile(Profile):
|
|
name = 'wav'
|
|
extension = 'wav'
|
|
pipeline = 'wavenc name=tagger'
|
|
lossless = True
|
|
|
|
class WavpackProfile(Profile):
|
|
name = 'wavpack'
|
|
extension = 'wv'
|
|
pipeline = 'wavpackenc bitrate=0 name=tagger'
|
|
lossless = True
|
|
|
|
class MP3Profile(Profile):
|
|
name = 'mp3'
|
|
extension = 'mp3'
|
|
pipeline = 'lame name=tagger quality=0 ! id3v2mux'
|
|
lossless = False
|
|
|
|
class VorbisProfile(Profile):
|
|
name = 'vorbis'
|
|
extension = 'oga'
|
|
pipeline = 'audioconvert ! vorbisenc name=tagger ! oggmux'
|
|
lossless = False
|
|
|
|
|
|
PROFILES = {
|
|
'wav': WavProfile,
|
|
'flac': FlacProfile,
|
|
'alac': AlacProfile,
|
|
'wavpack': WavpackProfile,
|
|
}
|
|
|
|
LOSSY_PROFILES = {
|
|
'mp3': MP3Profile,
|
|
'vorbis': VorbisProfile,
|
|
}
|
|
|
|
ALL_PROFILES = PROFILES.copy()
|
|
ALL_PROFILES.update(LOSSY_PROFILES)
|
|
|
|
class EncodeTask(task.Task):
|
|
"""
|
|
I am a task that encodes a .wav file.
|
|
I set tags too.
|
|
I also calculate the peak level of the track.
|
|
|
|
@param peak: the peak volume, from 0.0 to 1.0. This is the sqrt of the
|
|
peak power.
|
|
@type peak: float
|
|
"""
|
|
|
|
description = 'Encoding'
|
|
peak = None
|
|
|
|
def __init__(self, inpath, outpath, profile, taglist=None):
|
|
"""
|
|
@param profile: encoding profile
|
|
@type profile: L{Profile}
|
|
"""
|
|
assert type(inpath) is unicode, "inpath %r is not unicode" % inpath
|
|
assert type(outpath) is unicode, \
|
|
"outpath %r is not unicode" % outpath
|
|
|
|
self._inpath = inpath
|
|
self._outpath = outpath
|
|
self._taglist = taglist
|
|
|
|
self._level = None
|
|
self._peakdB = None
|
|
self._profile = profile
|
|
|
|
self._profile.test()
|
|
|
|
def start(self, runner):
|
|
task.Task.start(self, runner)
|
|
|
|
# here to avoid import gst eating our options
|
|
import gst
|
|
|
|
self._pipeline = gst.parse_launch('''
|
|
filesrc location="%s" !
|
|
decodebin name=decoder !
|
|
audio/x-raw-int,width=16,depth=16,channels=2 !
|
|
level name=level !
|
|
%s !
|
|
filesink location="%s" name=sink''' % (
|
|
common.quoteParse(self._inpath).encode('utf-8'),
|
|
self._profile.pipeline,
|
|
common.quoteParse(self._outpath).encode('utf-8')))
|
|
|
|
tagger = self._pipeline.get_by_name('tagger')
|
|
|
|
# set tags
|
|
if self._taglist:
|
|
tagger.merge_tags(self._taglist, gst.TAG_MERGE_APPEND)
|
|
|
|
self.debug('pausing pipeline')
|
|
self._pipeline.set_state(gst.STATE_PAUSED)
|
|
self._pipeline.get_state()
|
|
self.debug('paused pipeline')
|
|
|
|
# get length
|
|
self.debug('query duration')
|
|
try:
|
|
length, qformat = tagger.query_duration(gst.FORMAT_DEFAULT)
|
|
except gst.QueryError, e:
|
|
self.setException(e)
|
|
self.stop()
|
|
return
|
|
|
|
# wavparse 0.10.14 returns in bytes
|
|
if qformat == gst.FORMAT_BYTES:
|
|
self.debug('query returned in BYTES format')
|
|
length /= 4
|
|
self.debug('total length: %r', length)
|
|
self._length = length
|
|
|
|
# add eos handling
|
|
bus = self._pipeline.get_bus()
|
|
bus.add_signal_watch()
|
|
bus.connect('message::eos', self._message_eos_cb)
|
|
|
|
# set up level callbacks
|
|
bus.connect('message::element', self._message_element_cb)
|
|
self._level = self._pipeline.get_by_name('level')
|
|
# add a probe so we can track progress
|
|
# we connect to level because this gives us offset in samples
|
|
srcpad = self._level.get_static_pad('src')
|
|
srcpad.add_buffer_probe(self._probe_handler)
|
|
|
|
self.debug('scheduling setting to play')
|
|
# since set_state returns non-False, adding it as timeout_add
|
|
# will repeatedly call it, and block the main loop; so
|
|
# gobject.timeout_add(0L, self._pipeline.set_state, gst.STATE_PLAYING)
|
|
# would not work.
|
|
|
|
def play():
|
|
self._pipeline.set_state(gst.STATE_PLAYING)
|
|
return False
|
|
self.runner.schedule(0, play)
|
|
|
|
#self._pipeline.set_state(gst.STATE_PLAYING)
|
|
self.debug('scheduled setting to play')
|
|
|
|
def _probe_handler(self, pad, buffer):
|
|
# update progress based on buffer offset (expected to be in samples)
|
|
# versus length in samples
|
|
# marshal to main thread
|
|
self.runner.schedule(0, self.setProgress,
|
|
float(buffer.offset) / self._length)
|
|
|
|
# don't drop the buffer
|
|
return True
|
|
|
|
def _message_eos_cb(self, bus, message):
|
|
self.debug('eos, scheduling stop')
|
|
self.runner.schedule(0, self.stop)
|
|
|
|
def _message_element_cb(self, bus, message):
|
|
if message.src != self._level:
|
|
return
|
|
|
|
s = message.structure
|
|
if s.get_name() != 'level':
|
|
return
|
|
|
|
|
|
if self._peakdB is None:
|
|
self._peakdB = s['peak'][0]
|
|
|
|
for p in s['peak']:
|
|
if self._peakdB < p:
|
|
self._peakdB = p
|
|
|
|
def stop(self):
|
|
# here to avoid import gst eating our options
|
|
import gst
|
|
|
|
self.debug('stopping')
|
|
self.debug('setting state to NULL')
|
|
self._pipeline.set_state(gst.STATE_NULL)
|
|
self.debug('set state to NULL')
|
|
task.Task.stop(self)
|
|
|
|
if self._peakdB:
|
|
self.peak = math.sqrt(math.pow(10, self._peakdB / 10.0))
|