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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2018 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.
*/
#include "shared-module/audioio/__init__.h"
#include "py/obj.h"
#include "shared-bindings/audioio/Mixer.h"
#include "shared-bindings/audioio/RawSample.h"
#include "shared-bindings/audioio/WaveFile.h"
#include "shared-module/audioio/Mixer.h"
#include "shared-module/audioio/RawSample.h"
#include "shared-module/audioio/WaveFile.h"
uint32_t audiosample_sample_rate(mp_obj_t sample_obj) {
if (MP_OBJ_IS_TYPE(sample_obj, &audioio_rawsample_type)) {
audioio_rawsample_obj_t* sample = MP_OBJ_TO_PTR(sample_obj);
return sample->sample_rate;
} else if (MP_OBJ_IS_TYPE(sample_obj, &audioio_wavefile_type)) {
audioio_wavefile_obj_t* file = MP_OBJ_TO_PTR(sample_obj);
return file->sample_rate;
} else if (MP_OBJ_IS_TYPE(sample_obj, &audioio_mixer_type)) {
audioio_mixer_obj_t* mixer = MP_OBJ_TO_PTR(sample_obj);
return mixer->sample_rate;
}
return 16000;
}
uint8_t audiosample_bits_per_sample(mp_obj_t sample_obj) {
if (MP_OBJ_IS_TYPE(sample_obj, &audioio_rawsample_type)) {
audioio_rawsample_obj_t* sample = MP_OBJ_TO_PTR(sample_obj);
return sample->bits_per_sample;
} else if (MP_OBJ_IS_TYPE(sample_obj, &audioio_wavefile_type)) {
audioio_wavefile_obj_t* file = MP_OBJ_TO_PTR(sample_obj);
return file->bits_per_sample;
} else if (MP_OBJ_IS_TYPE(sample_obj, &audioio_mixer_type)) {
audioio_mixer_obj_t* mixer = MP_OBJ_TO_PTR(sample_obj);
return mixer->bits_per_sample;
}
return 8;
}
uint8_t audiosample_channel_count(mp_obj_t sample_obj) {
if (MP_OBJ_IS_TYPE(sample_obj, &audioio_rawsample_type)) {
audioio_rawsample_obj_t* sample = MP_OBJ_TO_PTR(sample_obj);
return sample->channel_count;
} else if (MP_OBJ_IS_TYPE(sample_obj, &audioio_wavefile_type)) {
audioio_wavefile_obj_t* file = MP_OBJ_TO_PTR(sample_obj);
return file->channel_count;
} else if (MP_OBJ_IS_TYPE(sample_obj, &audioio_mixer_type)) {
audioio_mixer_obj_t* mixer = MP_OBJ_TO_PTR(sample_obj);
return mixer->channel_count;
}
return 1;
}
void audiosample_reset_buffer(mp_obj_t sample_obj, bool single_channel, uint8_t audio_channel) {
if (MP_OBJ_IS_TYPE(sample_obj, &audioio_rawsample_type)) {
audioio_rawsample_obj_t* sample = MP_OBJ_TO_PTR(sample_obj);
audioio_rawsample_reset_buffer(sample, single_channel, audio_channel);
} else if (MP_OBJ_IS_TYPE(sample_obj, &audioio_wavefile_type)) {
audioio_wavefile_obj_t* file = MP_OBJ_TO_PTR(sample_obj);
audioio_wavefile_reset_buffer(file, single_channel, audio_channel);
} else if (MP_OBJ_IS_TYPE(sample_obj, &audioio_mixer_type)) {
audioio_mixer_obj_t* file = MP_OBJ_TO_PTR(sample_obj);
audioio_mixer_reset_buffer(file, single_channel, audio_channel);
}
}
audioio_get_buffer_result_t audiosample_get_buffer(mp_obj_t sample_obj,
bool single_channel,
uint8_t channel,
uint8_t** buffer, uint32_t* buffer_length) {
if (MP_OBJ_IS_TYPE(sample_obj, &audioio_rawsample_type)) {
audioio_rawsample_obj_t* sample = MP_OBJ_TO_PTR(sample_obj);
return audioio_rawsample_get_buffer(sample, single_channel, channel, buffer, buffer_length);
} else if (MP_OBJ_IS_TYPE(sample_obj, &audioio_wavefile_type)) {
audioio_wavefile_obj_t* file = MP_OBJ_TO_PTR(sample_obj);
return audioio_wavefile_get_buffer(file, single_channel, channel, buffer, buffer_length);
} else if (MP_OBJ_IS_TYPE(sample_obj, &audioio_mixer_type)) {
audioio_mixer_obj_t* file = MP_OBJ_TO_PTR(sample_obj);
return audioio_mixer_get_buffer(file, single_channel, channel, buffer, buffer_length);
}
return GET_BUFFER_DONE;
}
void audiosample_get_buffer_structure(mp_obj_t sample_obj, bool single_channel,
bool* single_buffer, bool* samples_signed,
uint32_t* max_buffer_length, uint8_t* spacing) {
if (MP_OBJ_IS_TYPE(sample_obj, &audioio_rawsample_type)) {
audioio_rawsample_obj_t* sample = MP_OBJ_TO_PTR(sample_obj);
audioio_rawsample_get_buffer_structure(sample, single_channel, single_buffer,
samples_signed, max_buffer_length, spacing);
} else if (MP_OBJ_IS_TYPE(sample_obj, &audioio_wavefile_type)) {
audioio_wavefile_obj_t* file = MP_OBJ_TO_PTR(sample_obj);
audioio_wavefile_get_buffer_structure(file, single_channel, single_buffer, samples_signed,
max_buffer_length, spacing);
} else if (MP_OBJ_IS_TYPE(sample_obj, &audioio_mixer_type)) {
audioio_mixer_obj_t* file = MP_OBJ_TO_PTR(sample_obj);
audioio_mixer_get_buffer_structure(file, single_channel, single_buffer, samples_signed,
max_buffer_length, spacing);
}
}
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