diff options
| author | Jeff Epler <jepler@gmail.com> | 2020-01-02 15:23:42 -0600 |
|---|---|---|
| committer | Jeff Epler <jepler@gmail.com> | 2020-01-02 15:23:42 -0600 |
| commit | ec22520992723a89dbc57a5e59bf03815df9f509 (patch) | |
| tree | 216cadcdb372249eebc04614b1a2ebaa9f91cda9 /shared-bindings | |
| parent | 97bb46c0471b5cb9a0323f06183945d4c711207b (diff) | |
MP3File: Add rms_level property
This lets a music player show it vu-meter style
Diffstat (limited to 'shared-bindings')
| -rw-r--r-- | shared-bindings/audiomp3/MP3File.c | 19 | ||||
| -rw-r--r-- | shared-bindings/audiomp3/MP3File.h | 1 |
2 files changed, 20 insertions, 0 deletions
diff --git a/shared-bindings/audiomp3/MP3File.c b/shared-bindings/audiomp3/MP3File.c index d867643f9..a02e42364 100644 --- a/shared-bindings/audiomp3/MP3File.c +++ b/shared-bindings/audiomp3/MP3File.c @@ -224,6 +224,24 @@ const mp_obj_property_t audiomp3_mp3file_channel_count_obj = { (mp_obj_t)&mp_const_none_obj}, }; +//| .. attribute:: rms_level +//| +//| The RMS audio level of a recently played moment of audio. (read only) +//| +STATIC mp_obj_t audiomp3_mp3file_obj_get_rms_level(mp_obj_t self_in) { + audiomp3_mp3file_obj_t *self = MP_OBJ_TO_PTR(self_in); + check_for_deinit(self); + return mp_obj_new_float(common_hal_audiomp3_mp3file_get_rms_level(self)); +} +MP_DEFINE_CONST_FUN_OBJ_1(audiomp3_mp3file_get_rms_level_obj, audiomp3_mp3file_obj_get_rms_level); + +const mp_obj_property_t audiomp3_mp3file_rms_level_obj = { + .base.type = &mp_type_property, + .proxy = {(mp_obj_t)&audiomp3_mp3file_get_rms_level_obj, + (mp_obj_t)&mp_const_none_obj, + (mp_obj_t)&mp_const_none_obj}, +}; + STATIC const mp_rom_map_elem_t audiomp3_mp3file_locals_dict_table[] = { // Methods @@ -236,6 +254,7 @@ STATIC const mp_rom_map_elem_t audiomp3_mp3file_locals_dict_table[] = { { MP_ROM_QSTR(MP_QSTR_sample_rate), MP_ROM_PTR(&audiomp3_mp3file_sample_rate_obj) }, { MP_ROM_QSTR(MP_QSTR_bits_per_sample), MP_ROM_PTR(&audiomp3_mp3file_bits_per_sample_obj) }, { MP_ROM_QSTR(MP_QSTR_channel_count), MP_ROM_PTR(&audiomp3_mp3file_channel_count_obj) }, + { MP_ROM_QSTR(MP_QSTR_rms_level), MP_ROM_PTR(&audiomp3_mp3file_rms_level_obj) }, }; STATIC MP_DEFINE_CONST_DICT(audiomp3_mp3file_locals_dict, audiomp3_mp3file_locals_dict_table); diff --git a/shared-bindings/audiomp3/MP3File.h b/shared-bindings/audiomp3/MP3File.h index 774d839ff..e6787cb8b 100644 --- a/shared-bindings/audiomp3/MP3File.h +++ b/shared-bindings/audiomp3/MP3File.h @@ -45,5 +45,6 @@ uint32_t common_hal_audiomp3_mp3file_get_sample_rate(audiomp3_mp3file_obj_t* sel void common_hal_audiomp3_mp3file_set_sample_rate(audiomp3_mp3file_obj_t* self, uint32_t sample_rate); uint8_t common_hal_audiomp3_mp3file_get_bits_per_sample(audiomp3_mp3file_obj_t* self); uint8_t common_hal_audiomp3_mp3file_get_channel_count(audiomp3_mp3file_obj_t* self); +float common_hal_audiomp3_mp3file_get_rms_level(audiomp3_mp3file_obj_t* self); #endif // MICROPY_INCLUDED_SHARED_BINDINGS_AUDIOIO_MP3FILE_H |