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output: added output_api.h

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Just like decoder_api.h, output_api.h provides the audio output API
which is used by the plugins.
This commit is contained in:
Max Kellermann
2008-09-07 22:41:17 +02:00
parent dc7c6bd14d
commit bed2a49fe9
15 changed files with 115 additions and 90 deletions
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67
src/audioOutput.h
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@@ -19,75 +19,14 @@
#ifndef AUDIO_OUTPUT_H
#define AUDIO_OUTPUT_H
#include "output_api.h"
#include "../config.h"
#include "pcm_utils.h"
#include "mpd_types.h"
#include "audio_format.h"
#include "tag.h"
#include "conf.h"
#include "utils.h"
#include "os_compat.h"
#define DISABLED_AUDIO_OUTPUT_PLUGIN(plugin) AudioOutputPlugin plugin;
typedef struct _AudioOutput AudioOutput;
typedef int (*AudioOutputTestDefaultDeviceFunc) (void);
typedef int (*AudioOutputInitDriverFunc) (AudioOutput * audioOutput,
ConfigParam * param);
typedef void (*AudioOutputFinishDriverFunc) (AudioOutput * audioOutput);
typedef int (*AudioOutputOpenDeviceFunc) (AudioOutput * audioOutput);
typedef int (*AudioOutputPlayFunc) (AudioOutput * audioOutput,
const char *playChunk, size_t size);
typedef void (*AudioOutputDropBufferedAudioFunc) (AudioOutput * audioOutput);
typedef void (*AudioOutputCloseDeviceFunc) (AudioOutput * audioOutput);
typedef void (*AudioOutputSendMetadataFunc) (AudioOutput * audioOutput,
const struct tag *tag);
struct _AudioOutput {
int open;
const char *name;
const char *type;
AudioOutputFinishDriverFunc finishDriverFunc;
AudioOutputOpenDeviceFunc openDeviceFunc;
AudioOutputPlayFunc playFunc;
AudioOutputDropBufferedAudioFunc dropBufferedAudioFunc;
AudioOutputCloseDeviceFunc closeDeviceFunc;
AudioOutputSendMetadataFunc sendMetdataFunc;
int convertAudioFormat;
struct audio_format inAudioFormat;
struct audio_format outAudioFormat;
struct audio_format reqAudioFormat;
ConvState convState;
char *convBuffer;
size_t convBufferLen;
int sameInAndOutFormats;
void *data;
};
typedef struct _AudioOutputPlugin {
const char *name;
AudioOutputTestDefaultDeviceFunc testDefaultDeviceFunc;
AudioOutputInitDriverFunc initDriverFunc;
AudioOutputFinishDriverFunc finishDriverFunc;
AudioOutputOpenDeviceFunc openDeviceFunc;
AudioOutputPlayFunc playFunc;
AudioOutputDropBufferedAudioFunc dropBufferedAudioFunc;
AudioOutputCloseDeviceFunc closeDeviceFunc;
AudioOutputSendMetadataFunc sendMetdataFunc;
} AudioOutputPlugin;
struct audio_format;
struct tag;
void initAudioOutputPlugins(void);
void finishAudioOutputPlugins(void);