text: /*
   * This file is part of the Micro Python 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 <stdint.h>
  
  #include "lib/utils/context_manager_helpers.h"
  #include "py/objproperty.h"
  #include "py/runtime.h"
  #include "shared-bindings/audioio/WaveFile.h"
  #include "shared-bindings/util.h"
  #include "supervisor/shared/translate.h"
  
  //| .. currentmodule:: audioio
  //|
  //| :class:`WaveFile` -- Load a wave file for audio playback
  //| ========================================================
  //|
  //| A .wav file prepped for audio playback. Only mono and stereo files are supported. Samples must
  //| be 8 bit unsigned or 16 bit signed.
  //|
  //| .. class:: WaveFile(filename)
  //|
  //|   Load a .wav file for playback with `audioio.AudioOut` or `audiobusio.I2SOut`.
  //|
  //|   :param bytes-like file: Already opened wave file
  //|
  //|   Playing a wave file from flash::
  //|
  //|     import board
  //|     import audioio
  //|     import digitalio
  //|
  //|     # Required for CircuitPlayground Express
  //|     speaker_enable = digitalio.DigitalInOut(board.SPEAKER_ENABLE)
  //|     speaker_enable.switch_to_output(value=True)
  //|
  //|     data = open("cplay-5.1-16bit-16khz.wav", "rb")
  //|     wav = audioio.WaveFile(data)
  //|     a = audioio.AudioOut(board.A0)
  //|
  //|     print("playing")
  //|     a.play(wav)
  //|     while a.playing:
  //|       pass
  //|     print("stopped")
  //|
  STATIC mp_obj_t audioio_wavefile_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *args, mp_map_t *kw_args) {
      mp_arg_check_num(n_args, kw_args, 1, 1, false);
  
      audioio_wavefile_obj_t *self = m_new_obj(audioio_wavefile_obj_t);
      self->base.type = &audioio_wavefile_type;
      if (MP_OBJ_IS_TYPE(args[0], &mp_type_fileio)) {
          common_hal_audioio_wavefile_construct(self, MP_OBJ_TO_PTR(args[0]));
      } else {
          mp_raise_TypeError(translate("file must be a file opened in byte mode"));
      }
  
      return MP_OBJ_FROM_PTR(self);
  }
  
  //|   .. method:: deinit()
  //|
  //|      Deinitialises the WaveFile and releases all memory resources for reuse.
  //|
  STATIC mp_obj_t audioio_wavefile_deinit(mp_obj_t self_in) {
      audioio_wavefile_obj_t *self = MP_OBJ_TO_PTR(self_in);
      common_hal_audioio_wavefile_deinit(self);
      return mp_const_none;
  }
  STATIC MP_DEFINE_CONST_FUN_OBJ_1(audioio_wavefile_deinit_obj, audioio_wavefile_deinit);
  
  //|   .. method:: __enter__()
  //|
  //|      No-op used by Context Managers.
  //|
  //  Provided by context manager helper.
  
  //|   .. method:: __exit__()
  //|
  //|      Automatically deinitializes the hardware when exiting a context. See
  //|      :ref:`lifetime-and-contextmanagers` for more info.
  //|
  STATIC mp_obj_t audioio_wavefile_obj___exit__(size_t n_args, const mp_obj_t *args) {
      (void)n_args;
      common_hal_audioio_wavefile_deinit(args[0]);
      return mp_const_none;
  }
  STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(audioio_wavefile___exit___obj, 4, 4, audioio_wavefile_obj___exit__);
  
  //|   .. attribute:: sample_rate
  //|
  //|     32 bit value that dictates how quickly samples are loaded into the DAC
  //|     in Hertz (cycles per second). When the sample is looped, this can change
  //|     the pitch output without changing the underlying sample.
  //|
  STATIC mp_obj_t audioio_wavefile_obj_get_sample_rate(mp_obj_t self_in) {
      audioio_wavefile_obj_t *self = MP_OBJ_TO_PTR(self_in);
      raise_error_if_deinited(common_hal_audioio_wavefile_deinited(self));
      return MP_OBJ_NEW_SMALL_INT(common_hal_audioio_wavefile_get_sample_rate(self));
  }
  MP_DEFINE_CONST_FUN_OBJ_1(audioio_wavefile_get_sample_rate_obj, audioio_wavefile_obj_get_sample_rate);
  
  STATIC mp_obj_t audioio_wavefile_obj_set_sample_rate(mp_obj_t self_in, mp_obj_t sample_rate) {
      audioio_wavefile_obj_t *self = MP_OBJ_TO_PTR(self_in);
      raise_error_if_deinited(common_hal_audioio_wavefile_deinited(self));
      common_hal_audioio_wavefile_set_sample_rate(self, mp_obj_get_int(sample_rate));
      return mp_const_none;
  }
  MP_DEFINE_CONST_FUN_OBJ_2(audioio_wavefile_set_sample_rate_obj, audioio_wavefile_obj_set_sample_rate);
  
  const mp_obj_property_t audioio_wavefile_sample_rate_obj = {
      .base.type = &mp_type_property,
      .proxy = {(mp_obj_t)&audioio_wavefile_get_sample_rate_obj,
                (mp_obj_t)&audioio_wavefile_set_sample_rate_obj,
                (mp_obj_t)&mp_const_none_obj},
  };
  
  //|   .. attribute:: bits_per_sample
  //|
  //|     Bits per sample. (read only)
  //|
  STATIC mp_obj_t audioio_wavefile_obj_get_bits_per_sample(mp_obj_t self_in) {
      audioio_wavefile_obj_t *self = MP_OBJ_TO_PTR(self_in);
      raise_error_if_deinited(common_hal_audioio_wavefile_deinited(self));
      return MP_OBJ_NEW_SMALL_INT(common_hal_audioio_wavefile_get_bits_per_sample(self));
  }
  MP_DEFINE_CONST_FUN_OBJ_1(audioio_wavefile_get_bits_per_sample_obj, audioio_wavefile_obj_get_bits_per_sample);
  
  const mp_obj_property_t audioio_wavefile_bits_per_sample_obj = {
      .base.type = &mp_type_property,
      .proxy = {(mp_obj_t)&audioio_wavefile_get_bits_per_sample_obj,
                (mp_obj_t)&mp_const_none_obj,
                (mp_obj_t)&mp_const_none_obj},
  };
  
  //|   .. attribute:: channel_count
  //|
  //|     Number of audio channels. (read only)
  //|
  STATIC mp_obj_t audioio_wavefile_obj_get_channel_count(mp_obj_t self_in) {
      audioio_wavefile_obj_t *self = MP_OBJ_TO_PTR(self_in);
      raise_error_if_deinited(common_hal_audioio_wavefile_deinited(self));
      return MP_OBJ_NEW_SMALL_INT(common_hal_audioio_wavefile_get_channel_count(self));
  }
  MP_DEFINE_CONST_FUN_OBJ_1(audioio_wavefile_get_channel_count_obj, audioio_wavefile_obj_get_channel_count);
  
  const mp_obj_property_t audioio_wavefile_channel_count_obj = {
      .base.type = &mp_type_property,
      .proxy = {(mp_obj_t)&audioio_wavefile_get_channel_count_obj,
                (mp_obj_t)&mp_const_none_obj,
                (mp_obj_t)&mp_const_none_obj},
  };
  
  
  STATIC const mp_rom_map_elem_t audioio_wavefile_locals_dict_table[] = {
      // Methods
      { MP_ROM_QSTR(MP_QSTR_deinit), MP_ROM_PTR(&audioio_wavefile_deinit_obj) },
      { MP_ROM_QSTR(MP_QSTR___enter__), MP_ROM_PTR(&default___enter___obj) },
      { MP_ROM_QSTR(MP_QSTR___exit__), MP_ROM_PTR(&audioio_wavefile___exit___obj) },
  
      // Properties
      { MP_ROM_QSTR(MP_QSTR_sample_rate), MP_ROM_PTR(&audioio_wavefile_sample_rate_obj) },
      { MP_ROM_QSTR(MP_QSTR_bits_per_sample), MP_ROM_PTR(&audioio_wavefile_bits_per_sample_obj) },
      { MP_ROM_QSTR(MP_QSTR_channel_count), MP_ROM_PTR(&audioio_wavefile_channel_count_obj) },
  };
  STATIC MP_DEFINE_CONST_DICT(audioio_wavefile_locals_dict, audioio_wavefile_locals_dict_table);
  
  const mp_obj_type_t audioio_wavefile_type = {
      { &mp_type_type },
      .name = MP_QSTR_WaveFile,
      .make_new = audioio_wavefile_make_new,
      .locals_dict = (mp_obj_dict_t*)&audioio_wavefile_locals_dict,
  };
  