mirror of https://github.com/mpv-player/mpv
69 lines
1.4 KiB
C
69 lines
1.4 KiB
C
#ifndef _audio_in_h
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#define _audio_in_h
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#define AUDIO_IN_ALSA 1
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#define AUDIO_IN_OSS 2
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#include "config.h"
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#ifdef HAVE_ALSA9
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#include <alsa/asoundlib.h>
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typedef struct {
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char *device;
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snd_pcm_t *handle;
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snd_output_t *log;
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int buffer_time, period_time, chunk_size;
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size_t bits_per_sample, bits_per_frame;
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} ai_alsa_t;
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#endif
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typedef struct {
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char *device;
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int audio_fd;
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} ai_oss_t;
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typedef struct
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{
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int type;
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int setup;
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/* requested values */
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int req_channels;
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int req_samplerate;
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/* real values read-only */
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int channels;
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int samplerate;
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int blocksize;
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int bytes_per_sample;
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int samplesize;
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#ifdef HAVE_ALSA9
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ai_alsa_t alsa;
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#endif
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ai_oss_t oss;
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} audio_in_t;
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int audio_in_init(audio_in_t *ai, int type);
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int audio_in_setup(audio_in_t *ai);
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int audio_in_set_device(audio_in_t *ai, char *device);
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int audio_in_set_samplerate(audio_in_t *ai, int rate);
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int audio_in_set_channels(audio_in_t *ai, int channels);
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int audio_in_uninit(audio_in_t *ai);
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int audio_in_start_capture(audio_in_t *ai);
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int audio_in_read_chunk(audio_in_t *ai, unsigned char *buffer);
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#ifdef HAVE_ALSA9
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int ai_alsa_setup(audio_in_t *ai);
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int ai_alsa_init(audio_in_t *ai);
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#endif
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int ai_oss_set_samplerate(audio_in_t *ai);
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int ai_oss_set_channels(audio_in_t *ai);
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int ai_oss_init(audio_in_t *ai);
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#endif /* _audio_in_h */
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