mirror of https://github.com/mpv-player/mpv
105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPLAYER_AUDIO_OUT_H
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#define MPLAYER_AUDIO_OUT_H
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#include <stdbool.h>
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typedef struct ao_info_s
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{
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/* driver name ("Matrox Millennium G200/G400" */
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const char *name;
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/* short name (for config strings) ("mga") */
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const char *short_name;
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/* author ("Aaron Holtzman <aholtzma@ess.engr.uvic.ca>") */
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const char *author;
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/* any additional comments */
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const char *comment;
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} ao_info_t;
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/* interface towards mplayer and */
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typedef struct ao_functions
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{
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const ao_info_t *info;
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int (*control)(int cmd,void *arg);
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int (*init)(int rate,int channels,int format,int flags);
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void (*uninit)(int immed);
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void (*reset)(void);
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int (*get_space)(void);
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int (*play)(void* data,int len,int flags);
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float (*get_delay)(void);
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void (*pause)(void);
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void (*resume)(void);
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} ao_functions_t;
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/* global data used by mplayer and plugins */
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struct ao {
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int samplerate;
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int channels;
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int format;
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int bps;
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int outburst;
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int buffersize;
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int pts;
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bool initialized;
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const struct ao_functions *driver;
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};
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extern char *ao_subdevice;
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void list_audio_out(void);
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// NULL terminated array of all drivers
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extern const ao_functions_t* const audio_out_drivers[];
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#define CONTROL_OK 1
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#define CONTROL_TRUE 1
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#define CONTROL_FALSE 0
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#define CONTROL_UNKNOWN -1
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#define CONTROL_ERROR -2
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#define CONTROL_NA -3
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#define AOCONTROL_SET_DEVICE 1
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#define AOCONTROL_GET_DEVICE 2
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#define AOCONTROL_QUERY_FORMAT 3 /* test for availabilty of a format */
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#define AOCONTROL_GET_VOLUME 4
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#define AOCONTROL_SET_VOLUME 5
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#define AOCONTROL_SET_PLUGIN_DRIVER 6
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#define AOCONTROL_SET_PLUGIN_LIST 7
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#define AOPLAY_FINAL_CHUNK 1
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typedef struct ao_control_vol_s {
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float left;
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float right;
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} ao_control_vol_t;
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struct ao *ao_create(void);
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void ao_init(struct ao *ao, char **ao_list);
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void ao_uninit(struct ao *ao, bool drain_audio);
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int ao_play(struct ao *ao, void *data, int len, int flags);
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int ao_control(struct ao *ao, int cmd, void *arg);
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double ao_get_delay(struct ao *ao);
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int ao_get_space(struct ao *ao);
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void ao_reset(struct ao *ao);
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void ao_pause(struct ao *ao);
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void ao_resume(struct ao *ao);
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#endif /* MPLAYER_AUDIO_OUT_H */
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