mirror of https://github.com/mpv-player/mpv
116 lines
4.0 KiB
C
116 lines
4.0 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 "bstr/bstr.h"
|
|
#include "common/common.h"
|
|
#include "audio/chmap.h"
|
|
#include "audio/chmap_sel.h"
|
|
|
|
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,
|
|
// Has char* as argument, which contains the desired stream title.
|
|
AOCONTROL_UPDATE_STREAM_TITLE,
|
|
};
|
|
|
|
#define AOPLAY_FINAL_CHUNK 1
|
|
|
|
typedef struct ao_control_vol {
|
|
float left;
|
|
float right;
|
|
} ao_control_vol_t;
|
|
|
|
struct ao;
|
|
|
|
struct ao_driver {
|
|
bool encode;
|
|
const char *name;
|
|
const char *description;
|
|
int (*control)(struct ao *ao, enum aocontrol cmd, void *arg);
|
|
int (*init)(struct ao *ao);
|
|
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 samples, int flags);
|
|
float (*get_delay)(struct ao *ao);
|
|
void (*pause)(struct ao *ao);
|
|
void (*resume)(struct ao *ao);
|
|
|
|
// For option parsing (see vo.h)
|
|
int priv_size;
|
|
const void *priv_defaults;
|
|
const struct m_option *options;
|
|
};
|
|
|
|
/* global data used by mplayer and plugins */
|
|
struct ao {
|
|
int samplerate;
|
|
struct mp_chmap channels;
|
|
int format;
|
|
int bps; // bytes per second
|
|
int sstride; // size of a sample on each plane
|
|
// (format_size*num_channels/num_planes)
|
|
double pts; // some mplayer.c state (why is this here?)
|
|
struct mp_audio_buffer *buffer; // queued audio; passed to play() later
|
|
int buffer_playable_samples;// part of the part of the buffer the AO hasn't
|
|
// accepted yet with play()
|
|
bool probing; // if true, don't fail loudly on init
|
|
bool untimed;
|
|
bool no_persistent_volume; // the AO does the equivalent of af_volume
|
|
bool per_application_mixer; // like above, but volume persists (per app)
|
|
const struct ao_driver *driver;
|
|
void *priv;
|
|
struct encode_lavc_context *encode_lavc_ctx;
|
|
struct MPOpts *opts;
|
|
struct input_ctx *input_ctx;
|
|
struct mp_log *log; // Using e.g. "[ao/coreaudio]" as prefix
|
|
};
|
|
|
|
struct mpv_global;
|
|
struct ao *ao_init_best(struct mpv_global *global,
|
|
struct input_ctx *input_ctx,
|
|
struct encode_lavc_context *encode_lavc_ctx,
|
|
int samplerate, int format, struct mp_chmap channels);
|
|
void ao_uninit(struct ao *ao, bool cut_audio);
|
|
int ao_play(struct ao *ao, void **data, int samples, 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 ao_play_silence(struct ao *ao, int samples);
|
|
|
|
bool ao_chmap_sel_adjust(struct ao *ao, const struct mp_chmap_sel *s,
|
|
struct mp_chmap *map);
|
|
bool ao_chmap_sel_get_def(struct ao *ao, const struct mp_chmap_sel *s,
|
|
struct mp_chmap *map, int num);
|
|
|
|
#endif /* MPLAYER_AUDIO_OUT_H */
|