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sbc test: add new param to decoder test to introduce partial frame corruption

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This commit is contained in:
Milanka Ringwald 2018-01-17 16:39:29 +01:00
parent 04ec07bf78
commit d6ec9a32b8
4 changed files with 46 additions and 18 deletions
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2
src/classic/btstack_sbc_decoder_bluedroid.c
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@ -462,7 +462,7 @@ static void btstack_sbc_decoder_process_msbc_data(btstack_sbc_decoder_state_t *
// The codec apparently does not recover from this.
// Re-initialize the codec.
log_info("SBC decode: invalid parameters: resetting codec");
if (OI_CODEC_SBC_DecoderReset(&(bd_decoder_state.decoder_context), bd_decoder_state.decoder_data, sizeof(bd_decoder_state.decoder_data)) != OI_STATUS_SUCCESS){
if (OI_CODEC_mSBC_DecoderReset(&(bd_decoder_state.decoder_context), bd_decoder_state.decoder_data, sizeof(bd_decoder_state.decoder_data)) != OI_STATUS_SUCCESS){
log_info("SBC decode: resetting codec failed");
}

3
test/sbc/.gitignore vendored
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@ -1,4 +1,5 @@
sbc_decoder_test
sbc_encoder_test
sine_wave.pydata_sine_stereo_sbc.h
sine_wave.py
data_sine_stereo_sbc.h
sbc_decoder_sine

6
test/sbc/Makefile
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@ -21,12 +21,13 @@ SBC_ENCODER_OBJ = $(SBC_ENCODER:.c=.o)
CFLAGS = -g -Wall -I. -I../ -I${BTSTACK_ROOT}/src -I${BTSTACK_ROOT}/src/classic -I${BTSTACK_ROOT}/platform/posix
CFLAGS += -I${SBC_DECODER_ROOT}/include
CFLAGS += -I${SBC_ENCODER_ROOT}/include
CFLAGS += -D PRINT_SAMPLES -D PRINT_SCALEFACTORS -D OI_DEBUG -D TRACE_EXECUTION
#CFLAGS += -D PRINT_SAMPLES -D PRINT_SCALEFACTORS -D OI_DEBUG -D TRACE_EXECUTION
LDFLAGS += -lCppUTest -lCppUTestExt
VPATH += ${SBC_DECODER_ROOT}/srce
VPATH += ${SBC_ENCODER_ROOT}/srce
VPATH += ${BTSTACK_ROOT}/src
VPATH += ${BTSTACK_ROOT}/platform/posix
VPATH += ${BTSTACK_ROOT}/port/libusb
COMMON += \
hci_dump.c \
@ -35,7 +36,8 @@ COMMON += \
COMMON_OBJ = $(COMMON:.c=.o)
SBC_TESTS = sbc_decoder_test msbc_encoder_test sbc_decoder_sine
SBC_TESTS = sbc_decoder_test msbc_encoder_test
#sbc_decoder_sine
all: ${SBC_TESTS}

53
test/sbc/sbc_decoder_test.c
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@ -63,8 +63,17 @@ static int frame_count = 0;
static int wav_writer_opened = 0;
static char wav_filename[1000];
static uint8_t indices0[] = { 0xad, 0x00, 0x00, 0xc5, 0x00, 0x00, 0x00, 0x00, 0x77, 0x6d,
0xb6, 0xdd, 0xdb, 0x6d, 0xb7, 0x76, 0xdb, 0x6d, 0xdd, 0xb6, 0xdb, 0x77, 0x6d,
0xb6, 0xdd, 0xdb, 0x6d, 0xb7, 0x76, 0xdb, 0x6d, 0xdd, 0xb6, 0xdb, 0x77, 0x6d,
0xb6, 0xdd, 0xdb, 0x6d, 0xb7, 0x76, 0xdb, 0x6d, 0xdd, 0xb6, 0xdb, 0x77, 0x6d,
0xb6, 0xdd, 0xdb, 0x6d, 0xb7, 0x76, 0xdb, 0x6c};
static void show_usage(void){
printf("\n\nUsage: ./sbc_decoder_test input_file [0-sbc|1-msbc] plc_enabled corrupt_frame_period \n\n");
printf("\n\nUsage: ./sbc_decoder_test input_file [0-sbc|1-msbc] enable_partial_frame_corruption enable_plc corrupt_whole_frame_period \n\n");
printf("Example: ./sbc_decoder_test data/data/sine-stereo 0 1 0 0\n");
printf("Example: ./sbc_decoder_test data/data/sine-stereo 1 1 0 0\n\n");
}
static ssize_t __read(int fd, void *buf, size_t count){
@ -88,14 +97,14 @@ static void handle_pcm_data(int16_t * data, int num_samples, int num_channels, i
}
printf("Sampels: num_samples %u, num_channels %u, sample_rate %u\n", num_samples, num_channels, sample_rate);
// printf("Sampels: num_samples %u, num_channels %u, sample_rate %u\n", num_samples, num_channels, sample_rate);
// printf_hexdump(data, num_samples * num_channels * 2);
int i;
for (i=0;i<num_channels*num_samples;i += 2){
if ((i%24) == 0) printf("\n");
printf ("%12d ", data[i]);
}
printf("\n");
// int i;
// for (i=0;i<num_channels*num_samples;i += 2){
// if ((i%24) == 0) printf("\n");
// printf ("%12d ", data[i]);
// }
// printf("\n");
wav_writer_write_int16(num_samples*num_channels, data);
total_num_samples+=num_samples*num_channels;
@ -103,7 +112,7 @@ static void handle_pcm_data(int16_t * data, int num_samples, int num_channels, i
}
int main (int argc, const char * argv[]){
if (argc < 5){
if (argc < 6){
show_usage();
return -1;
}
@ -113,9 +122,13 @@ int main (int argc, const char * argv[]){
const char * filename = argv[argv_pos++];
btstack_sbc_mode_t mode = atoi(argv[argv_pos++]) == 0? SBC_MODE_STANDARD : SBC_MODE_mSBC;
const int partial_frame_corruption = atoi(argv[argv_pos++]);
const int plc_enabled = atoi(argv[argv_pos++]);
const int corrupt_frame_period = atoi(argv[argv_pos++]);
static unsigned g_phase = 0;
static unsigned g_phase2 = 0;
strcpy(sbc_filename, filename);
strcpy(wav_filename, filename);
@ -152,9 +165,9 @@ int main (int argc, const char * argv[]){
btstack_sbc_decoder_state_t state;
btstack_sbc_decoder_init(&state, mode, &handle_pcm_data, NULL);
//if (!plc_enabled){
if (!plc_enabled){
btstack_sbc_decoder_test_disable_plc();
//}
}
if (corrupt_frame_period > 0){
btstack_sbc_decoder_test_simulate_corrupt_frames(corrupt_frame_period);
}
@ -163,15 +176,27 @@ int main (int argc, const char * argv[]){
// get next chunk
int bytes_read = __read(fd, read_buffer, sizeof(read_buffer));
if (0 >= bytes_read) break;
// process chunk
btstack_sbc_decoder_process_data(&state, 0, read_buffer, bytes_read);
if (partial_frame_corruption) {
// Inject errors every now and then.
if ((g_phase & 0x7f) >= 128-8){
uint8_t * data = indices0;
data[g_phase2] = 0xff;
g_phase2++;
} else {
g_phase2 = 0;
}
g_phase++;
}
btstack_sbc_decoder_process_data(&state, 0, indices0, sizeof(indices0));
}
wav_writer_close();
close(fd);
int total_frames_nr = state.good_frames_nr + state.bad_frames_nr + state.zero_frames_nr;
printf("\nDecoding done. Processed totaly %d frames:\n - %d good\n - %d bad\n - %d zero frames\n", total_frames_nr, state.good_frames_nr, state.bad_frames_nr, state.zero_frames_nr);
printf("WAV Writer: Decoding done. Processed totaly %d frames:\n - %d good\n - %d bad\n", total_frames_nr, state.good_frames_nr, total_frames_nr - state.good_frames_nr);
printf("Write %d frames to wav file: %s\n\n", frame_count, wav_filename);
}