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* output: make "struct audio_output" opaque for output pluginsMax Kellermann2008-09-241-44/+10
| | | | | | | | | | | We have eliminated direct accesses to the audio_output struct from the all output plugins. Make it opaque for them, and move its real declaration to output_internal.h, similar to decoder_internal.h. Pass the opaque structure to plugin.init() only, which will return the plugin's data pointer on success, and NULL on failure. This data pointer will be passed to all other methods instead of the audio_output struct.
* output: added audio_output_closed()Max Kellermann2008-09-241-0/+2
| | | | | | The JACK output plugin needs to reset its "opened" flag when the JACK server fails. To prevent it from accessing the audio_output struct directly introduce the API function audio_output_closed().
* output: added audio_output_get_name()Max Kellermann2008-09-241-0/+2
| | | | | | Reduce direct accesses to the audio_output struct from the plugins: this time, eliminate all accesses to audio_output.name. The name is required by some plugins for log messages.
* output: pass audio_format to plugin.init() and plugin.open()Max Kellermann2008-09-241-2/+5
| | | | | | | Pass the globally configured audio_format as a const pointer to plugin.init(). plugin.open() gets a writable pointer which contains the audio_format requested by the plugin. Its initial value is either the configured audio_format or the input file's audio_format.
* output: one thread per audio outputMax Kellermann2008-09-241-0/+26
| | | | | | To keep I/O nastiness and latencies away from the core, move the audio output code to a separate thread, one per output. The thread is created on demand, and currently runs until mpd exits.
* output: removed audio_output.sameInAndOutFormatsMax Kellermann2008-09-111-1/+0
| | | | | Eliminate sameInAndOutFormats and check with audio_format_equals() each time it this information is needed. Another 4 bytes saved.
* output: removed audio_output.convertAudioFormatMax Kellermann2008-09-111-1/+0
| | | | | Instead of checking convertAudioFormat, we can simply check if reqAudioFormat is defined. This saves 4 bytes in the struct.
* output: renamed method namesMax Kellermann2008-09-091-22/+12
| | | | No CamelCase. Also don't declare typedefs for the methods.
* output: const plugin structuresMax Kellermann2008-09-081-1/+1
| | | | | Since the plugin struct is never modified, we should store it in constant locations.
* output: replace audio_output.*Func with audio_output.pluginMax Kellermann2008-09-071-7/+1
| | | | | Instead of copying all that stuff from the audio output plugin to the audio output structure, store a pointer to the plugin.
* output: renamed typedef AudioOutput to struct audio_outputMax Kellermann2008-09-071-12/+12
| | | | | Also rename AudioOutputPlugin to struct audio_output_plugin, and use forward declarations to reduce include dependencies.
* output: added output_api.hMax Kellermann2008-09-071-0/+91
Just like decoder_api.h, output_api.h provides the audio output API which is used by the plugins.
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