89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
/******************************************************************************
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Copyright (C) 2013 by Hugh Bailey <obs.jim@gmail.com>
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This program 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 3 of the License, or
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(at your option) any later version.
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This program 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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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******************************************************************************/
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#pragma once
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#include "../util/c99defs.h"
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#include "media-io.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Base audio output component. Use this to create an audio output track
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* for the media.
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*/
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struct audio_output;
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typedef struct audio_output *audio_t;
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enum audio_type {
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AUDIO_FORMAT_UNKNOWN,
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AUDIO_FORMAT_8BIT,
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AUDIO_FORMAT_16BIT,
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AUDIO_FORMAT_24BIT,
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AUDIO_FORMAT_32BIT,
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AUDIO_FORMAT_FLOAT,
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};
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enum speaker_setup {
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SPEAKERS_UNKNOWN,
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SPEAKERS_MONO,
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SPEAKERS_STEREO,
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SPEAKERS_2POINT1,
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SPEAKERS_QUAD,
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SPEAKERS_4POINT1,
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SPEAKERS_5POINT1,
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SPEAKERS_5POINT1_SURROUND,
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SPEAKERS_7POINT1,
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SPEAKERS_7POINT1_SURROUND,
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SPEAKERS_SURROUND,
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};
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struct audio_data {
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void *data;
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uint32_t frames;
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uint32_t speakers;
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uint32_t samples_per_sec;
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enum audio_type type;
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uint64_t timestamp;
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};
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struct audio_info {
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const char *name;
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const char *format;
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uint32_t channels;
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uint32_t samples_per_sec;
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enum audio_type type;
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enum speaker_setup speakers;
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};
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#define AUDIO_OUTPUT_SUCCESS 0
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#define AUDIO_OUTPUT_INVALIDPARAM -1
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#define AUDIO_OUTPUT_FAIL -2
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EXPORT int audio_output_open(audio_t *audio, media_t media,
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struct audio_info *info);
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EXPORT void audio_output_data(audio_t audio, struct audio_data *data);
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EXPORT void audio_output_close(audio_t audio);
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#ifdef __cplusplus
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}
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#endif
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