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sbc encoder test: rename wrapper functions

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This commit is contained in:
Milanka Ringwald 2016-07-23 14:59:08 +02:00
parent ca50f5f543
commit 8e51a09892
1 changed files with 19 additions and 17 deletions
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36
test/sbc/sbc_encoder_test.c
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@ -67,23 +67,25 @@ static uint8_t msbc_buffer[2*(MSBC_FRAME_SIZE + sizeof(msbc_padding))];
static int msbc_buffer_offset = 0;
void hfp_msbc_init(void);
int hfp_msbc_can_encode_audio(void);
int hfp_msbc_encoded_stream_available(int size);
int hfp_msbc_num_audio_samples_per_frame(void);
int hfp_msbc_can_encode_audio_frame_now(void);
void hfp_msbc_encode_audio_frame(int16_t * pcm_samples);
void hfp_msbc_read_encoded_stream(uint8_t * buf, int size);
int hfp_msbc_num_pcm_bytes(void);
int hfp_msbc_num_bytes_in_stream(void);
void hfp_msbc_read_from_stream(uint8_t * buf, int size);
void hfp_msbc_init(void){
btstack_sbc_encoder_init(&state, SBC_MODE_mSBC, 16, 8, 0, 16000, 26);
msbc_buffer_offset = 0;
}
int hfp_msbc_can_encode_audio(void){
int hfp_msbc_can_encode_audio_frame_now(void){
return sizeof(msbc_buffer) - msbc_buffer_offset >= MSBC_FRAME_SIZE + sizeof(msbc_padding);
}
void hfp_msbc_encode_audio_frame(int16_t * pcm_samples){
if (!hfp_msbc_can_encode_audio()) return;
if (!hfp_msbc_can_encode_audio_frame_now()) return;
btstack_sbc_encoder_process_data(pcm_samples);
@ -94,7 +96,7 @@ void hfp_msbc_encode_audio_frame(int16_t * pcm_samples){
msbc_buffer_offset += MSBC_FRAME_SIZE;
}
void hfp_msbc_read_encoded_stream(uint8_t * buf, int size){
void hfp_msbc_read_from_stream(uint8_t * buf, int size){
int bytes_to_copy = size;
if (size > msbc_buffer_offset){
bytes_to_copy = msbc_buffer_offset;
@ -107,12 +109,12 @@ void hfp_msbc_read_encoded_stream(uint8_t * buf, int size){
msbc_buffer_offset -= bytes_to_copy;
}
int hfp_msbc_encoded_stream_available(int size){
return msbc_buffer_offset >= size;
int hfp_msbc_num_bytes_in_stream(void){
return msbc_buffer_offset;
}
int hfp_msbc_num_pcm_bytes(void){
return btstack_sbc_encoder_num_audio_samples() * 2;
int hfp_msbc_num_audio_samples_per_frame(void){
return btstack_sbc_encoder_num_audio_samples();
}
static ssize_t __read(int fd, void *buf, size_t count){
@ -133,12 +135,12 @@ static ssize_t __read(int fd, void *buf, size_t count){
static int read_audio_frame(int wav_fd){
int i;
int bytes_read = 0;
for (i=0; i < hfp_msbc_num_pcm_bytes()/2; i++){
for (i=0; i < hfp_msbc_num_audio_samples_per_frame() * 2/2; i++){
uint8_t buf[2];
bytes_read +=__read(wav_fd, &buf, 2);
read_buffer[i] = little_endian_read_16(buf, 0);
}
if (bytes_read == hfp_msbc_num_pcm_bytes() ){
if (bytes_read == hfp_msbc_num_audio_samples_per_frame() * 2 ){
num_frames++;
}
return bytes_read;
@ -174,14 +176,14 @@ int main (int argc, const char * argv[]){
hfp_msbc_init();
while (1){
if (hfp_msbc_can_encode_audio()){
if (hfp_msbc_can_encode_audio_frame_now()){
int bytes_read = read_audio_frame(wav_fd);
if (bytes_read < hfp_msbc_num_pcm_bytes()) break;
if (bytes_read < hfp_msbc_num_audio_samples_per_frame() * 2) break;
hfp_msbc_encode_audio_frame(read_buffer);
}
if (hfp_msbc_encoded_stream_available(sizeof(output_buffer))){
hfp_msbc_read_encoded_stream(output_buffer, sizeof(output_buffer));
if (hfp_msbc_num_bytes_in_stream() >= sizeof(output_buffer)){
hfp_msbc_read_from_stream(output_buffer, sizeof(output_buffer));
fwrite(output_buffer, 1, sizeof(output_buffer), sbc_fd);
}
}