gpu-screen-recorder/include/sound.hpp

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/*
Copyright (C) 2020 dec05eba
This program 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 3 of the License, or
(at your option) any later version.
This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
*/
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#ifndef GPU_SCREEN_RECORDER_H
#define GPU_SCREEN_RECORDER_H
typedef struct {
void *handle;
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void *buffer;
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int buffer_size;
unsigned int frames;
} SoundDevice;
/*
Get a sound device by name, returning the device into the @device parameter.
The device should be closed with @sound_device_close after it has been used
to clean up internal resources.
Returns 0 on success, or a negative value on failure.
*/
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int sound_device_get_by_name(SoundDevice *device, const char *name = "default", unsigned int num_channels = 2, unsigned int period_frame_size = 32);
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void sound_device_close(SoundDevice *device);
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/*
Returns the next chunk of audio into @buffer.
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Returns the number of frames read, or a negative value on failure.
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*/
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int sound_device_read_next_chunk(SoundDevice *device, void **buffer);
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#endif /* GPU_SCREEN_RECORDER_H */