diff options
Diffstat (limited to 'src/output_plugin.h')
| -rw-r--r-- | src/output_plugin.h | 145 |
1 files changed, 47 insertions, 98 deletions
diff --git a/src/output_plugin.h b/src/output_plugin.h index 36e17ed1b..209ca6221 100644 --- a/src/output_plugin.h +++ b/src/output_plugin.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2003-2010 The Music Player Daemon Project + * Copyright (C) 2003-2011 The Music Player Daemon Project * http://www.musicpd.org * * This program is free software; you can redistribute it and/or modify @@ -48,23 +48,20 @@ struct audio_output_plugin { * Configure and initialize the device, but do not open it * yet. * - * @param audio_format the configured audio format, or NULL if - * none is configured * @param param the configuration section, or NULL if there is * no configuration - * @param error location to store the error occuring, or NULL + * @param error location to store the error occurring, or NULL * to ignore errors * @return NULL on error, or an opaque pointer to the plugin's * data */ - void *(*init)(const struct audio_format *audio_format, - const struct config_param *param, - GError **error); + struct audio_output *(*init)(const struct config_param *param, + GError **error); /** * Free resources allocated by this device. */ - void (*finish)(void *data); + void (*finish)(struct audio_output *data); /** * Enable the device. This may allocate resources, preparing @@ -72,33 +69,33 @@ struct audio_output_plugin { * fail: if an error occurs during that, it should be reported * by the open() method. * - * @param error_r location to store the error occuring, or + * @param error_r location to store the error occurring, or * NULL to ignore errors * @return true on success, false on error */ - bool (*enable)(void *data, GError **error_r); + bool (*enable)(struct audio_output *data, GError **error_r); /** * Disables the device. It is closed before this method is * called. */ - void (*disable)(void *data); + void (*disable)(struct audio_output *data); /** * Really open the device. * * @param audio_format the audio format in which data is going * to be delivered; may be modified by the plugin - * @param error location to store the error occuring, or NULL + * @param error location to store the error occurring, or NULL * to ignore errors */ - bool (*open)(void *data, struct audio_format *audio_format, + bool (*open)(struct audio_output *data, struct audio_format *audio_format, GError **error); /** * Close the device. */ - void (*close)(void *data); + void (*close)(struct audio_output *data); /** * Returns a positive number if the output thread shall delay @@ -108,34 +105,35 @@ struct audio_output_plugin { * * @return the number of milliseconds to wait */ - unsigned (*delay)(void *data); + unsigned (*delay)(struct audio_output *data); /** * Display metadata for the next chunk. Optional method, * because not all devices can display metadata. */ - void (*send_tag)(void *data, const struct tag *tag); + void (*send_tag)(struct audio_output *data, const struct tag *tag); /** * Play a chunk of audio data. * - * @param error location to store the error occuring, or NULL + * @param error location to store the error occurring, or NULL * to ignore errors * @return the number of bytes played, or 0 on error */ - size_t (*play)(void *data, const void *chunk, size_t size, + size_t (*play)(struct audio_output *data, + const void *chunk, size_t size, GError **error); /** * Wait until the device has finished playing. */ - void (*drain)(void *data); + void (*drain)(struct audio_output *data); /** * Try to cancel data which may still be in the device's * buffers. */ - void (*cancel)(void *data); + void (*cancel)(struct audio_output *data); /** * Pause the device. If supported, it may perform a special @@ -148,7 +146,7 @@ struct audio_output_plugin { * @return false on error (output will be closed then), true * for continue to pause */ - bool (*pause)(void *data); + bool (*pause)(struct audio_output *data); /** * The mixer plugin associated with this output plugin. This @@ -167,95 +165,46 @@ ao_plugin_test_default_device(const struct audio_output_plugin *plugin) : false; } -static inline void * +G_GNUC_MALLOC +struct audio_output * ao_plugin_init(const struct audio_output_plugin *plugin, - const struct audio_format *audio_format, const struct config_param *param, - GError **error) -{ - return plugin->init(audio_format, param, error); -} + GError **error); -static inline void -ao_plugin_finish(const struct audio_output_plugin *plugin, void *data) -{ - plugin->finish(data); -} +void +ao_plugin_finish(struct audio_output *ao); -static inline bool -ao_plugin_enable(const struct audio_output_plugin *plugin, void *data, - GError **error_r) -{ - return plugin->enable != NULL - ? plugin->enable(data, error_r) - : true; -} +bool +ao_plugin_enable(struct audio_output *ao, GError **error_r); -static inline void -ao_plugin_disable(const struct audio_output_plugin *plugin, void *data) -{ - if (plugin->disable != NULL) - plugin->disable(data); -} +void +ao_plugin_disable(struct audio_output *ao); -static inline bool -ao_plugin_open(const struct audio_output_plugin *plugin, - void *data, struct audio_format *audio_format, - GError **error) -{ - return plugin->open(data, audio_format, error); -} +bool +ao_plugin_open(struct audio_output *ao, struct audio_format *audio_format, + GError **error); -static inline void -ao_plugin_close(const struct audio_output_plugin *plugin, void *data) -{ - plugin->close(data); -} +void +ao_plugin_close(struct audio_output *ao); -static inline unsigned -ao_plugin_delay(const struct audio_output_plugin *plugin, void *data) -{ - return plugin->delay != NULL - ? plugin->delay(data) - : 0; -} +G_GNUC_PURE +unsigned +ao_plugin_delay(struct audio_output *ao); -static inline void -ao_plugin_send_tag(const struct audio_output_plugin *plugin, - void *data, const struct tag *tag) -{ - if (plugin->send_tag != NULL) - plugin->send_tag(data, tag); -} +void +ao_plugin_send_tag(struct audio_output *ao, const struct tag *tag); -static inline size_t -ao_plugin_play(const struct audio_output_plugin *plugin, - void *data, const void *chunk, size_t size, - GError **error) -{ - return plugin->play(data, chunk, size, error); -} +size_t +ao_plugin_play(struct audio_output *ao, const void *chunk, size_t size, + GError **error); -static inline void -ao_plugin_drain(const struct audio_output_plugin *plugin, void *data) -{ - if (plugin->drain != NULL) - plugin->drain(data); -} +void +ao_plugin_drain(struct audio_output *ao); -static inline void -ao_plugin_cancel(const struct audio_output_plugin *plugin, void *data) -{ - if (plugin->cancel != NULL) - plugin->cancel(data); -} +void +ao_plugin_cancel(struct audio_output *ao); -static inline bool -ao_plugin_pause(const struct audio_output_plugin *plugin, void *data) -{ - return plugin->pause != NULL - ? plugin->pause(data) - : false; -} +bool +ao_plugin_pause(struct audio_output *ao); #endif |