diff options
Diffstat (limited to 'src/opus_demo.c')
| -rw-r--r-- | src/opus_demo.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/opus_demo.c b/src/opus_demo.c index c5f6250f..bccdf976 100644 --- a/src/opus_demo.c +++ b/src/opus_demo.c @@ -70,6 +70,10 @@ unsigned char *load_blob(const char *filename, int *len) { FILE *file; unsigned char *data; file = fopen(filename, "r"); + if (file == NULL) + { + perror("could not open blob file\n"); + } fseek(file, 0L, SEEK_END); *len = ftell(file); fseek(file, 0L, SEEK_SET); @@ -254,6 +258,68 @@ static OpusDecoder *ms_opus_decoder_create(opus_int32 Fs, int channels, int *err } #endif + +#ifdef ENABLE_OSCE_TRAINING_DATA +#define COMPLEXITY_MIN 0 +#define COMPLEXITY_MAX 10 + +#define PACKET_LOSS_PERC_MIN 0 +#define PACKET_LOSS_PERC_MAX 50 +#define PACKET_LOSS_PERC_STEP 5 + +#define CBR_BITRATE_LIMIT 8000 + +#define NUM_BITRATES 102 +static int bitrates[NUM_BITRATES] = { + 6000, 6060, 6120, 6180, 6240, 6300, 6360, 6420, 6480, + 6525, 6561, 6598, 6634, 6670, 6707, 6743, 6780, 6816, + 6853, 6889, 6926, 6962, 6999, 7042, 7085, 7128, 7171, + 7215, 7258, 7301, 7344, 7388, 7431, 7474, 7512, 7541, + 7570, 7599, 7628, 7657, 7686, 7715, 7744, 7773, 7802, + 7831, 7860, 7889, 7918, 7947, 7976, 8013, 8096, 8179, + 8262, 8344, 8427, 8511, 8605, 8699, 8792, 8886, 8980, + 9100, 9227, 9354, 9480, 9561, 9634, 9706, 9779, 9851, + 9924, 9996, 10161, 10330, 10499, 10698, 10898, 11124, 11378, + 11575, 11719, 11862, 12014, 12345, 12751, 13195, 13561, 13795, + 14069, 14671, 15403, 15790, 16371, 17399, 17968, 19382, 20468, + 22000, 32000, 64000 +}; + +static int randint(int min, int max, int step) +{ + double r = ((double) rand())/ (RAND_MAX + 1.); + int d; + + d = ((int) ((max + 1 - min) * r / step) * step) + min; + + return d; +} + +static void new_random_setting(OpusEncoder *enc) +{ + int bitrate_bps; + int complexity; + int packet_loss_perc; + int use_vbr; + + bitrate_bps = bitrates[randint(0, NUM_BITRATES - 1, 1)]; + complexity = randint(COMPLEXITY_MIN, COMPLEXITY_MAX, 1); + packet_loss_perc = randint(PACKET_LOSS_PERC_MIN, PACKET_LOSS_PERC_MAX, PACKET_LOSS_PERC_STEP); + use_vbr = bitrate_bps < CBR_BITRATE_LIMIT ? 1 : randint(0, 1, 1); + + if (1) + { + printf("changing settings to %d\t%d\t%d\t%d\n", bitrate_bps, complexity, packet_loss_perc, use_vbr); + } + + opus_encoder_ctl(enc, OPUS_SET_BITRATE(bitrate_bps)); + opus_encoder_ctl(enc, OPUS_SET_COMPLEXITY(complexity)); + opus_encoder_ctl(enc, OPUS_SET_PACKET_LOSS_PERC(packet_loss_perc)); + opus_encoder_ctl(enc, OPUS_SET_VBR(use_vbr)); +} + +#endif + int main(int argc, char *argv[]) { int err; @@ -316,6 +382,10 @@ int main(int argc, char *argv[]) int lost_count=0; FILE *packet_loss_file=NULL; int dred_duration=0; +#ifdef ENABLE_OSCE_TRAINING_DATA + int silk_random_switching = 0; + int silk_frame_counter = 0; +#endif #ifdef USE_WEIGHTS_FILE int blob_len; unsigned char *blob_data; @@ -546,6 +616,12 @@ int main(int argc, char *argv[]) mode_list = celt_hq_test; nb_modes_in_list = 4; args++; +#ifdef ENABLE_OSCE_TRAINING_DATA + } else if( strcmp( argv[ args ], "-silk_random_switching" ) == 0 ){ + silk_random_switching = atoi( argv[ args + 1 ] ); + printf("switching encoding parameters every %dth frame\n", silk_random_switching); + args += 2; +#endif } else { printf( "Error: unrecognized setting: %s\n\n", argv[ args ] ); print_usage( argv ); @@ -759,6 +835,15 @@ int main(int argc, char *argv[]) opus_encoder_ctl(enc, OPUS_SET_FORCE_CHANNELS(mode_list[curr_mode][3])); frame_size = mode_list[curr_mode][2]; } +#ifdef ENABLE_OSCE_TRAINING_DATA + if (silk_random_switching) + { + silk_frame_counter += 1; + if (silk_frame_counter % silk_random_switching == 0) { + new_random_setting(enc); + } + } +#endif num_read = fread(fbytes, sizeof(short)*channels, frame_size-remaining, fin); curr_read = (int)num_read; tot_in += curr_read; |