circuitpython/shared-bindings/audiocore/WaveFile.h
Radomir Dopieralski 9907e3fa28 Allow to specify pre-allocated buffer in audicore.WaveFile
It lets us re-use the same buffer for playing multiple files.
This also allows us to control the size of the buffer. Half of the
buffer will be used for the fist, and half for the second internal
buffer.
2019-08-03 14:15:19 +02:00

48 lines
2.2 KiB
C

/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef MICROPY_INCLUDED_SHARED_BINDINGS_AUDIOIO_WAVEFILE_H
#define MICROPY_INCLUDED_SHARED_BINDINGS_AUDIOIO_WAVEFILE_H
#include "py/obj.h"
#include "extmod/vfs_fat.h"
#include "shared-module/audiocore/WaveFile.h"
extern const mp_obj_type_t audioio_wavefile_type;
void common_hal_audioio_wavefile_construct(audioio_wavefile_obj_t* self,
pyb_file_obj_t* file, uint8_t *buffer, size_t buffer_size);
void common_hal_audioio_wavefile_deinit(audioio_wavefile_obj_t* self);
bool common_hal_audioio_wavefile_deinited(audioio_wavefile_obj_t* self);
uint32_t common_hal_audioio_wavefile_get_sample_rate(audioio_wavefile_obj_t* self);
void common_hal_audioio_wavefile_set_sample_rate(audioio_wavefile_obj_t* self, uint32_t sample_rate);
uint8_t common_hal_audioio_wavefile_get_bits_per_sample(audioio_wavefile_obj_t* self);
uint8_t common_hal_audioio_wavefile_get_channel_count(audioio_wavefile_obj_t* self);
#endif // MICROPY_INCLUDED_SHARED_BINDINGS_AUDIOIO_WAVEFILE_H