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bring back 'mixer.play()' & 'mixer.stop_voice()'

This commit is contained in:
sommersoft 2019-08-29 22:12:12 -05:00
parent e618441e18
commit 6a68d0b4d0
1 changed files with 59 additions and 0 deletions
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59
shared-bindings/audiomixer/Mixer.c
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@ -222,12 +222,71 @@ const mp_obj_property_t audiomixer_mixer_voice_obj = {
(mp_obj_t)&mp_const_none_obj},
};
//| .. method:: play(sample, *, voice=0, loop=False)
//|
//| Plays the sample once when loop=False and continuously when loop=True.
//| Does not block. Use `playing` to block.
//|
//| Sample must be an `audiocore.WaveFile`, `audiocore.RawSample`, or `audiomixer.Mixer`.
//|
//| The sample must match the Mixer's encoding settings given in the constructor.
//|
STATIC mp_obj_t audiomixer_mixer_obj_play(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_sample, ARG_voice, ARG_loop };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_sample, MP_ARG_OBJ | MP_ARG_REQUIRED },
{ MP_QSTR_voice, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 0} },
{ MP_QSTR_loop, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = false} },
};
audiomixer_mixer_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]);
check_for_deinit(self);
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
uint8_t v = args[ARG_voice].u_int;
if (v > (self->voice_count - 1)) {
mp_raise_ValueError(translate("Invalid voice"));
}
audiomixer_mixervoice_obj_t *voice = MP_OBJ_TO_PTR(self->voice[v]);
mp_obj_t sample = args[ARG_sample].u_obj;
common_hal_audiomixer_mixervoice_play(voice, sample, args[ARG_loop].u_bool);
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_KW(audiomixer_mixer_play_obj, 1, audiomixer_mixer_obj_play);
//| .. method:: stop_voice(voice=0)
//|
//| Stops playback of the sample on the given voice.
//|
STATIC mp_obj_t audiomixer_mixer_obj_stop_voice(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_voice };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_voice, MP_ARG_INT, {.u_int = 0} },
};
audiomixer_mixer_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]);
check_for_deinit(self);
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
uint8_t v = args[ARG_voice].u_int;
if (v > (self->voice_count - 1)) {
mp_raise_ValueError(translate("Invalid voice"));
}
audiomixer_mixervoice_obj_t *voice = MP_OBJ_TO_PTR(self->voice[v]);
common_hal_audiomixer_mixervoice_stop(voice);
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_KW(audiomixer_mixer_stop_voice_obj, 1, audiomixer_mixer_obj_stop_voice);
STATIC const mp_rom_map_elem_t audiomixer_mixer_locals_dict_table[] = {
// Methods
{ MP_ROM_QSTR(MP_QSTR_deinit), MP_ROM_PTR(&audiomixer_mixer_deinit_obj) },
{ MP_ROM_QSTR(MP_QSTR___enter__), MP_ROM_PTR(&default___enter___obj) },
{ MP_ROM_QSTR(MP_QSTR___exit__), MP_ROM_PTR(&audiomixer_mixer___exit___obj) },
{ MP_ROM_QSTR(MP_QSTR_play), MP_ROM_PTR(&audiomixer_mixer_play_obj) },
{ MP_ROM_QSTR(MP_QSTR_stop_voice), MP_ROM_PTR(&audiomixer_mixer_stop_voice_obj) },
// Properties
{ MP_ROM_QSTR(MP_QSTR_playing), MP_ROM_PTR(&audiomixer_mixer_playing_obj) },