mirror/btstack
1
0
Fork 0
mirror of https://github.com/bluekitchen/btstack.git synced 2025-01-31 09:32:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

test/lc3: fix decoder for 8_1 and 441 in stereo

Browse Source 
# Conflicts:
#	test/lc3/lc3_decoder_ehima.c
This commit is contained in:
Matthias Ringwald 2022-03-10 20:17:49 +01:00
parent d3c765a367
commit 74e1cc8698
1 changed files with 19 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
test/lc3/lc3_decoder_ehima.c
View File

@ -131,11 +131,7 @@ int main (int argc, const char * argv[]){
return -10;
}
// init config
// init decoder
uint32_t bitrate_per_channel = bitrate / num_channels;
uint8_t channel;
lc3_decoder_ehima_t decoder_contexts[MAX_NUM_CHANNELS];
const lc3_decoder_t * lc3_decoder;
@ -144,9 +140,28 @@ int main (int argc, const char * argv[]){
lc3_decoder = lc3_decoder_ehima_init_instance(decoder_context);
lc3_decoder->configure(decoder_context, sample_rate_hz, duration2);
}
uint32_t bitrate_per_channel = bitrate / num_channels;
uint16_t bytes_per_frame = lc3_decoder->get_number_octets_for_bitrate(&decoder_contexts[0], bitrate_per_channel);
uint16_t number_samples_per_frame = lc3_decoder->get_number_samples_per_frame(&decoder_contexts[0]);
// fix bitrate for 8_1
if ((sample_rate_hz == 8000) && (bitrate_per_channel == 27700)){
bitrate_per_channel = 27734;
bitrate = bitrate_per_channel * num_channels;
bytes_per_frame = 26;
}
// fix bitrate for 441_1 and 441_2
if (sample_rate_hz == 44100){
if ((frame_us == 7500) && (bitrate_per_channel == 95000)) {
bitrate = 95060;
}
if ((frame_us == 10000) && (bitrate_per_channel == 95500)) {
bytes_per_frame = 130;
}
}
if (number_samples_per_frame > MAX_SAMPLES_PER_FRAME) {
printf("number samples per frame %u too large\n", number_samples_per_frame);
return -10;