mirror of https://github.com/mpv-player/mpv
141 lines
4.1 KiB
C
141 lines
4.1 KiB
C
/*
|
|
* This file is part of MPlayer.
|
|
*
|
|
* MPlayer is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* MPlayer is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifndef MPLAYER_AUDIO_OUT_H
|
|
#define MPLAYER_AUDIO_OUT_H
|
|
|
|
#include <stdbool.h>
|
|
|
|
#include "core/bstr.h"
|
|
|
|
#define CONTROL_OK 1
|
|
#define CONTROL_TRUE 1
|
|
#define CONTROL_FALSE 0
|
|
#define CONTROL_UNKNOWN -1
|
|
#define CONTROL_ERROR -2
|
|
#define CONTROL_NA -3
|
|
|
|
enum aocontrol {
|
|
// _VOLUME commands take struct ao_control_vol pointer for input/output.
|
|
// If there's only one volume, SET should use average of left/right.
|
|
AOCONTROL_GET_VOLUME,
|
|
AOCONTROL_SET_VOLUME,
|
|
// _MUTE commands take a pointer to bool
|
|
AOCONTROL_GET_MUTE,
|
|
AOCONTROL_SET_MUTE,
|
|
};
|
|
|
|
#define AOPLAY_FINAL_CHUNK 1
|
|
|
|
typedef struct ao_control_vol {
|
|
float left;
|
|
float right;
|
|
} ao_control_vol_t;
|
|
|
|
typedef struct ao_info {
|
|
/* driver name ("Matrox Millennium G200/G400" */
|
|
const char *name;
|
|
/* short name (for config strings) ("mga") */
|
|
const char *short_name;
|
|
/* author ("Aaron Holtzman <aholtzma@ess.engr.uvic.ca>") */
|
|
const char *author;
|
|
/* any additional comments */
|
|
const char *comment;
|
|
} ao_info_t;
|
|
|
|
/* interface towards mplayer and */
|
|
typedef struct ao_old_functions {
|
|
int (*control)(int cmd, void *arg);
|
|
int (*init)(int rate, int channels, int format, int flags);
|
|
void (*uninit)(int immed);
|
|
void (*reset)(void);
|
|
int (*get_space)(void);
|
|
int (*play)(void *data, int len, int flags);
|
|
float (*get_delay)(void);
|
|
void (*pause)(void);
|
|
void (*resume)(void);
|
|
} ao_functions_t;
|
|
|
|
struct ao;
|
|
|
|
struct ao_driver {
|
|
bool is_new;
|
|
const struct ao_info *info;
|
|
const struct ao_old_functions *old_functions;
|
|
int (*control)(struct ao *ao, enum aocontrol cmd, void *arg);
|
|
int (*init)(struct ao *ao, char *params);
|
|
void (*uninit)(struct ao *ao, bool cut_audio);
|
|
void (*reset)(struct ao*ao);
|
|
int (*get_space)(struct ao *ao);
|
|
int (*play)(struct ao *ao, void *data, int len, int flags);
|
|
float (*get_delay)(struct ao *ao);
|
|
void (*pause)(struct ao *ao);
|
|
void (*resume)(struct ao *ao);
|
|
};
|
|
|
|
/* global data used by mplayer and plugins */
|
|
struct ao {
|
|
int samplerate;
|
|
int channels;
|
|
int format;
|
|
int bps;
|
|
int outburst;
|
|
int buffersize;
|
|
int brokenpts;
|
|
double pts;
|
|
struct bstr buffer;
|
|
int buffer_playable_size;
|
|
bool probing;
|
|
bool initialized;
|
|
bool untimed;
|
|
bool no_persistent_volume;
|
|
bool per_application_mixer;
|
|
const struct ao_driver *driver;
|
|
void *priv;
|
|
struct encode_lavc_context *encode_lavc_ctx;
|
|
struct MPOpts *opts;
|
|
struct input_ctx *input_ctx;
|
|
};
|
|
|
|
extern char *ao_subdevice;
|
|
|
|
void list_audio_out(void);
|
|
|
|
struct ao *ao_create(struct MPOpts *opts, struct input_ctx *input);
|
|
void ao_init(struct ao *ao, char **ao_list);
|
|
void ao_uninit(struct ao *ao, bool cut_audio);
|
|
int ao_play(struct ao *ao, void *data, int len, int flags);
|
|
int ao_control(struct ao *ao, enum aocontrol cmd, void *arg);
|
|
double ao_get_delay(struct ao *ao);
|
|
int ao_get_space(struct ao *ao);
|
|
void ao_reset(struct ao *ao);
|
|
void ao_pause(struct ao *ao);
|
|
void ao_resume(struct ao *ao);
|
|
|
|
int old_ao_control(struct ao *ao, enum aocontrol cmd, void *arg);
|
|
int old_ao_init(struct ao *ao, char *params);
|
|
void old_ao_uninit(struct ao *ao, bool cut_audio);
|
|
void old_ao_reset(struct ao*ao);
|
|
int old_ao_get_space(struct ao *ao);
|
|
int old_ao_play(struct ao *ao, void *data, int len, int flags);
|
|
float old_ao_get_delay(struct ao *ao);
|
|
void old_ao_pause(struct ao *ao);
|
|
void old_ao_resume(struct ao *ao);
|
|
|
|
#endif /* MPLAYER_AUDIO_OUT_H */
|