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authorMax Kellermann <max@duempel.org>2009-02-16 01:37:42 +0100
committerMax Kellermann <max@duempel.org>2009-02-16 01:37:42 +0100
commit80702fa3a22b156aceb74156dc187ae916219e41 (patch)
treece342f3c9783badf6b344a13f265fce46005f10a /src/output_api.h
parenta5c0394007c2cd25bed707d2d5858bd05af7a11b (diff)
downloadmpd-80702fa3a22b156aceb74156dc187ae916219e41.tar.gz
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output_api: moved "struct audio_output_plugin" to output_plugin.h
If we move the plugin struct to a separate header, we don't have to include the big fat output_api.h everywhere.
Diffstat (limited to 'src/output_api.h')
-rw-r--r--src/output_api.h88
1 files changed, 1 insertions, 87 deletions
diff --git a/src/output_api.h b/src/output_api.h
index 15eb657c7..87dac6ec4 100644
--- a/src/output_api.h
+++ b/src/output_api.h
@@ -20,100 +20,14 @@
#ifndef MPD_OUTPUT_API_H
#define MPD_OUTPUT_API_H
+#include "output_plugin.h"
#include "config.h"
#include "audio_format.h"
#include "tag.h"
#include "conf.h"
-#include <stdbool.h>
-
struct audio_output;
-/**
- * A plugin which controls an audio output device.
- */
-struct audio_output_plugin {
- /**
- * the plugin's name
- */
- const char *name;
-
- /**
- * Test if this plugin can provide a default output, in case
- * none has been configured. This method is optional.
- */
- bool (*test_default_device)(void);
-
- /**
- * Configure and initialize the device, but do not open it
- * yet.
- *
- * @param ao an opaque pointer to the audio_output structure
- * @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
- * @return NULL on error, or an opaque pointer to the plugin's
- * data
- */
- void *(*init)(struct audio_output *ao,
- const struct audio_format *audio_format,
- const struct config_param *param);
-
- /**
- * Free resources allocated by this device.
- */
- void (*finish)(void *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
- */
- bool (*open)(void *data, struct audio_format *audio_format);
-
- /**
- * Play a chunk of audio data.
- */
- bool (*play)(void *data, const char *playChunk, size_t size);
-
- /**
- * Pause the device. If supported, it may perform a special
- * action, which keeps the device open, but does not play
- * anything. Output plugins like "shout" might want to play
- * silence during pause, so their clients won't be
- * disconnected. Plugins which do not support pausing will
- * simply be closed, and have to be reopened when unpaused.
- *
- * @return false on error (output will be closed then), true
- * for continue to pause
- */
- bool (*pause)(void *data);
-
- /**
- * Try to cancel data which may still be in the device's
- * buffers.
- */
- void (*cancel)(void *data);
-
- /**
- * Close the device.
- */
- void (*close)(void *data);
-
- /**
- * Control the device. Usualy used for implementing
- * set and get mixer levels
- */
- bool (*control)(void *data, int cmd, void *arg);
-
- /**
- * Display metadata for the next chunk. Optional method,
- * because not all devices can display metadata.
- */
- void (*send_tag)(void *data, const struct tag *tag);
-};
-
enum audio_control_command {
AC_MIXER_GETVOL = 0,
AC_MIXER_SETVOL,