104 lines
2.7 KiB
Python
104 lines
2.7 KiB
Python
from pyglet.util import CodecRegistry, Decoder, Encoder
|
|
from .base import *
|
|
|
|
import pyglet
|
|
|
|
|
|
_debug = pyglet.options['debug_media']
|
|
|
|
registry = CodecRegistry()
|
|
add_decoders = registry.add_decoders
|
|
add_encoders = registry.add_encoders
|
|
get_decoders = registry.get_decoders
|
|
get_encoders = registry.get_encoders
|
|
|
|
|
|
class MediaDecoder(Decoder):
|
|
|
|
def decode(self, filename, file, streaming):
|
|
"""Read the given file object and return an instance of `Source`
|
|
or `StreamingSource`.
|
|
Throws DecodeException if there is an error. `filename`
|
|
can be a file type hint.
|
|
"""
|
|
raise NotImplementedError()
|
|
|
|
|
|
class MediaEncoder(Encoder):
|
|
|
|
def encode(self, source, filename, file):
|
|
"""Encode the given source to the given file. `filename`
|
|
provides a hint to the file format desired. options are
|
|
encoder-specific, and unknown options should be ignored or
|
|
issue warnings.
|
|
"""
|
|
raise NotImplementedError()
|
|
|
|
|
|
def add_default_codecs():
|
|
# Add all bundled codecs. These should be listed in order of
|
|
# preference. This is called automatically by pyglet.media.
|
|
|
|
try:
|
|
from . import wave
|
|
registry.add_decoders(wave)
|
|
registry.add_encoders(wave)
|
|
except ImportError:
|
|
pass
|
|
|
|
if pyglet.compat_platform.startswith('linux'):
|
|
try:
|
|
from . import gstreamer
|
|
registry.add_decoders(gstreamer)
|
|
except ImportError:
|
|
pass
|
|
|
|
try:
|
|
if pyglet.compat_platform in ('win32', 'cygwin'):
|
|
from pyglet.libs.win32.constants import WINDOWS_VISTA_OR_GREATER
|
|
if WINDOWS_VISTA_OR_GREATER: # Supports Vista and above.
|
|
from . import wmf
|
|
registry.add_decoders(wmf)
|
|
except ImportError:
|
|
pass
|
|
|
|
try:
|
|
if have_ffmpeg():
|
|
from . import ffmpeg
|
|
registry.add_decoders(ffmpeg)
|
|
except ImportError:
|
|
pass
|
|
|
|
try:
|
|
from . import pyogg
|
|
registry.add_decoders(pyogg)
|
|
except ImportError:
|
|
pass
|
|
|
|
if pyglet.compat_platform.startswith("darwin"):
|
|
try:
|
|
from . import coreaudio
|
|
registry.add_decoders(coreaudio)
|
|
except ImportError:
|
|
pass
|
|
|
|
|
|
def have_ffmpeg():
|
|
"""Check if FFmpeg library is available.
|
|
|
|
Returns:
|
|
bool: True if FFmpeg is found.
|
|
|
|
.. versionadded:: 1.4
|
|
"""
|
|
try:
|
|
from . import ffmpeg_lib
|
|
if _debug:
|
|
print('FFmpeg available, using to load media files. Versions: {}'.format(ffmpeg_lib.compat.versions))
|
|
return True
|
|
|
|
except (ImportError, FileNotFoundError, AttributeError):
|
|
if _debug:
|
|
print('FFmpeg not available.')
|
|
return False
|