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le_audio: add mapping function for frame duration and sampling frequency

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This commit is contained in:
Milanka Ringwald 2022-12-02 15:08:41 +01:00 committed by Matthias Ringwald
parent 597c9a4ee9
commit 09d23cbe75
2 changed files with 94 additions and 6 deletions
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90
src/le-audio/le_audio_util.c
View File

@ -382,8 +382,8 @@ uint16_t le_audio_util_metadata_serialize_using_mask(le_audio_metadata_t * metad
return pos;
}
btstack_lc3_frame_duration_t le_audio_util_get_btstack_lc3_frame_duration(le_audio_codec_frame_duration_index_t le_audio_codec_frame_duration_index){
switch (le_audio_codec_frame_duration_index){
btstack_lc3_frame_duration_t le_audio_util_get_btstack_lc3_frame_duration(le_audio_codec_frame_duration_index_t frame_duration_index){
switch (frame_duration_index){
case LE_AUDIO_CODEC_FRAME_DURATION_INDEX_7500US:
return BTSTACK_LC3_FRAME_DURATION_7500US;
case LE_AUDIO_CODEC_FRAME_DURATION_INDEX_10000US:
@ -395,8 +395,8 @@ btstack_lc3_frame_duration_t le_audio_util_get_btstack_lc3_frame_duration(le_aud
return 0;
}
uint16_t le_audio_get_frame_duration_us(le_audio_codec_frame_duration_index_t le_audio_codec_frame_duration_index){
switch (le_audio_codec_frame_duration_index){
uint16_t le_audio_get_frame_duration_us(le_audio_codec_frame_duration_index_t frame_duration_index){
switch (frame_duration_index){
case LE_AUDIO_CODEC_FRAME_DURATION_INDEX_7500US:
return 7500;
case LE_AUDIO_CODEC_FRAME_DURATION_INDEX_10000US:
@ -405,3 +405,85 @@ uint16_t le_audio_get_frame_duration_us(le_audio_codec_frame_duration_index_t le
return 0;
}
}
le_audio_codec_frame_duration_index_t le_audio_get_frame_duration_index(uint16_t frame_duration_us){
switch (frame_duration_us){
case 0:
return LE_AUDIO_CODEC_FRAME_DURATION_INDEX_INVALID;
case 7500:
return LE_AUDIO_CODEC_FRAME_DURATION_INDEX_7500US;
case 10000:
return LE_AUDIO_CODEC_FRAME_DURATION_INDEX_10000US;
default:
return LE_AUDIO_CODEC_FRAME_DURATION_INDEX_RFU;
}
}
uint32_t le_audio_get_sampling_frequency_hz(le_audio_codec_sampling_frequency_index_t sampling_frequency_index){
switch (sampling_frequency_index){
case LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_8000_HZ:
return 8000;
case LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_11025_HZ:
return 11025;
case LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_16000_HZ:
return 16000;
case LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_22050_HZ:
return 22050;
case LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_24000_HZ:
return 24000;
case LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_32000_HZ:
return 32000;
case LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_44100_HZ:
return 44100;
case LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_48000_HZ:
return 48000;
case LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_88200_HZ:
return 88200;
case LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_96000_HZ:
return 96000;
case LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_176400_HZ:
return 176400;
case LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_192000_HZ:
return 192000;
case LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_384000_HZ:
return 384000;
default:
return 0;
}
}
le_audio_codec_sampling_frequency_index_t le_audio_get_sampling_frequency_index(uint32_t sampling_frequency_hz){
switch (sampling_frequency_hz){
case 0:
return LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_INVALID;
case 8000:
return LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_8000_HZ;
case 11025:
return LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_11025_HZ;
case 16000:
return LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_16000_HZ;
case 22050:
return LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_22050_HZ;
case 24000:
return LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_24000_HZ;
case 32000:
return LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_32000_HZ;
case 44100:
return LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_44100_HZ;
case 48000:
return LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_48000_HZ;
case 88200:
return LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_88200_HZ;
case 96000:
return LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_96000_HZ;
case 176400:
return LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_176400_HZ;
case 192000:
return LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_192000_HZ;
case 384000:
return LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_384000_HZ;
default:
return LE_AUDIO_CODEC_SAMPLING_FREQUENCY_INDEX_RFU;
}
}

10
src/le-audio/le_audio_util.h
View File

@ -63,9 +63,15 @@ uint16_t le_audio_util_metadata_serialize(le_audio_metadata_t * metadata, uint8_
uint16_t le_audio_util_metadata_serialize_using_mask(le_audio_metadata_t * metadata, uint8_t * tlv_buffer, uint16_t tlv_buffer_size);
btstack_lc3_frame_duration_t le_audio_util_get_btstack_lc3_frame_duration(le_audio_codec_frame_duration_index_t le_audio_codec_frame_duration_index);
uint16_t le_audio_get_frame_duration_us(le_audio_codec_frame_duration_index_t le_audio_codec_frame_duration_index);
btstack_lc3_frame_duration_t le_audio_util_get_btstack_lc3_frame_duration(le_audio_codec_frame_duration_index_t frame_duration_index);
uint16_t le_audio_get_frame_duration_us(le_audio_codec_frame_duration_index_t frame_duration_index);
le_audio_codec_frame_duration_index_t le_audio_get_frame_duration_index(uint16_t frame_duration_us);
uint32_t le_audio_get_sampling_frequency_hz(le_audio_codec_sampling_frequency_index_t sampling_frequency_index);
le_audio_codec_sampling_frequency_index_t le_audio_get_sampling_frequency_index(uint32_t sampling_frequency_hz);
#if defined __cplusplus
}