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Aug 12, 2010 - Mac Rumors. If you did, use winetricks to install any DirectX runtimes. Is installing the directx prefix in wine/winebottler the same as. Articles in this section. Where do I find user guides for DivX? DivX Software Version History; DivX Software in Kaspersky Lab Whitelist Program; DivX Software won't install on my Mac with OS X 10.6.
Sound and video pyglet can play many audio and video formats. Audio is played back with either OpenAL, DirectSound or Pulseaudio, permitting hardware-accelerated mixing and surround-sound 3D positioning. Video is played into OpenGL textures, and so can be easily be manipulated in real-time by applications and incorporated into 3D environments. Decoding of compressed audio and video is provided by, an optional component available for Linux, Windows and Mac OS X. AVbin needs to be installed separately. If AVbin is not present, pyglet will fall back to reading uncompressed WAV files only. This may be sufficient for many applications that require only a small number of short sounds, in which case those applications need not distribute AVbin.
OpenAL is included with Mac OS X. Windows users can download a generic driver from, or from their sound device’s manufacturer.
Linux users can use the reference implementation also provided by Creative. For example, Ubuntu users can apt-get install openal. ALUT is not required. Pyglet makes use of OpenAL 1.1 features if available, but will also work with OpenAL 1.0. Due to a long-standing bug in the reference implementation of OpenAL, stereo audio is downmixed to mono on Linux. This does not affect Windows or Mac OS X users. If AVbin is not installed, only uncompressed RIFF/WAV files encoded with linear PCM can be read.
With AVbin, many common and less-common formats are supported. Due to the large number of combinations of audio and video codecs, options, and container formats, it is difficult to provide a complete yet useful list. Some of the supported audio formats are:. AU. MP2.
MP3. OGG/Vorbis. WAV. WMA Some of the supported video formats are:. AVI. DivX.
H.263. H.264. MPEG. MPEG-2. OGG/Theora. Xvid. WMV For a complete list, see the AVbin sources.
Otherwise, it is probably simpler to simply try playing back your target file with the mediaplayer.py example. New versions of AVbin as they are released may support additional formats, or fix errors in the current implementation. AVbin is completely future- and backward-compatible, so no change to pyglet is needed to use a newer version of AVbin – just install it in place of the old version. Source = pyglet.
Load ( 'explosion.wav' ) If the media file is bundled with the application, consider using the resource module (see Application resources). The result of loading a media file is a object. This object provides useful information about the type of media encoded in the file, and serves as an opaque object used for playing back the file (described in the next section). The load function will raise a if the format is unknown. IOError may also be raised if the file could not be read from disk.
Future versions of pyglet will also support reading from arbitrary file-like objects, however a valid filename must currently be given. The length of the media file is given by the duration property, which returns the media’s length in seconds. Audio metadata is provided in the source’s attribute, which is None for silent videos. This metadata is not generally useful to applications.
See the class documentation for details. Video metadata is provided in the source’s attribute, which is None for audio files. It is recommended that this attribute is checked before attempting play back a video file – if a movie file has a readable audio track but unknown video format it will appear as an audio file. You can use the video metadata, described in a object, to set up display of the video before beginning playback. The attributes are as follows.
Def getvideosize ( width, height, sampleaspect ): if sampleaspect 1.: return width. sampleaspect, height elif sampleaspect.
Player = pyglet. Player A player will play any source that is “queued” on it. Any number of sources can be queued on a single player, but once queued, a source can never be dequeued (until it is removed automatically once complete). The main use of this queuing mechanism is to facilitate “gapless” transitions between playback of media files. A can only ever be queued on one player, and only once on that player. Objects can be queued any number of times on any number of players. Recall that a StaticSource can be created by passing streaming=False to the load method.
In the following example, two sounds are queued onto a player. Method Description play Begin or resume playback of the current source. Pause Pause playback of the current source.
Nextsource Dequeue the current source and move to the next one immediately. Next can also be used but it is deprecated because of incompatibilities with Python 3. Seek Seek to a specific time within the current source. Note that there is no stop method.
If you do not need to resume playback, simply pause playback and discard the player and source objects. Using the method does not guarantee gapless playback. There are several properties that describe the player’s current state. Property Description time The current playback position within the current source, in seconds. This is read-only (but see the seek method). Playing True if the player is currently playing, False if there are no sources queued or the player is paused. This is read-only (but see the pause and play methods).
Source A reference to the current source being played. This is read-only (but see the queue method). Volume The audio level, expressed as a float from 0 (mute) to 1 (normal volume).
This can be set at any time. When a player reaches the end of the current source, by default it will move immediately to the next queued source. If there are no more sources, playback stops until another is queued. There are several other possible behaviours, which can be controlled on SourceGroup objects. A contains multiple media sources with the same audio and video format. Behaviour on reaching the end of the current source can be controlled through the and advanceaftereos attributes. You can change a SourceGroup‘s loop and advanceaftereos at any time, but be aware that unless sufficient time is given for the future data to be decoded and buffered there may be a stutter or gap in playback.
If set well in advance of the end of the source (say, several seconds), there will be no disruption. Pyglet uses OpenAL for audio playback, which includes many features for positioning sound within a 3D space. This is particularly effective with a surround-sound setup, but is also applicable to stereo systems. A Player in pyglet has an associated position in 3D space – that is, it is equivalent to an OpenAL “source”.
The properties for setting these parameters are described in more detail in the API documentation; see for example Player.position and Player.pitch. The OpenAL “listener” object is provided by the audio driver. To obtain the listener for the current audio driver.
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