diff options
Diffstat (limited to 'decoder/drc_src/impd_drc_interface_parser.c')
| -rw-r--r-- | decoder/drc_src/impd_drc_interface_parser.c | 911 |
1 files changed, 455 insertions, 456 deletions
diff --git a/decoder/drc_src/impd_drc_interface_parser.c b/decoder/drc_src/impd_drc_interface_parser.c index 87dccdd..1ae69a2 100644 --- a/decoder/drc_src/impd_drc_interface_parser.c +++ b/decoder/drc_src/impd_drc_interface_parser.c @@ -28,488 +28,487 @@ #include "impd_drc_extr_delta_coded_info.h" #include "impd_drc_struct.h" -WORD32 impd_unidrc_interface_signature_read(ia_bit_buf_struct* it_bit_buff, - ia_drc_uni_interface_signat_struct* drc_uni_interface_signature) -{ - //WORD32 err = 0 - WORD32 interface_signat_data_len = 0, i, tmp; - - tmp = impd_read_bits_buf(it_bit_buff, 16); - if(it_bit_buff->error) - return it_bit_buff->error; - - drc_uni_interface_signature->interface_signat_type = (tmp>>8)&0xff; - drc_uni_interface_signature->interface_signat_data_len = tmp&0xff; - - interface_signat_data_len = drc_uni_interface_signature->interface_signat_data_len + 1; - for (i=0; i<interface_signat_data_len; i++) { - tmp = impd_read_bits_buf(it_bit_buff, 8); - if(it_bit_buff->error) - return it_bit_buff->error; - drc_uni_interface_signature->interface_signat_data[i] = (UWORD32)tmp; - } - - return(0); +WORD32 impd_unidrc_interface_signature_read( + ia_bit_buf_struct* it_bit_buff, + ia_drc_uni_interface_signat_struct* drc_uni_interface_signature) { + // WORD32 err = 0 + WORD32 interface_signat_data_len = 0, i, tmp; + + tmp = impd_read_bits_buf(it_bit_buff, 16); + if (it_bit_buff->error) return it_bit_buff->error; + + drc_uni_interface_signature->interface_signat_type = (tmp >> 8) & 0xff; + drc_uni_interface_signature->interface_signat_data_len = tmp & 0xff; + + interface_signat_data_len = + drc_uni_interface_signature->interface_signat_data_len + 1; + for (i = 0; i < interface_signat_data_len; i++) { + tmp = impd_read_bits_buf(it_bit_buff, 8); + if (it_bit_buff->error) return it_bit_buff->error; + drc_uni_interface_signature->interface_signat_data[i] = (UWORD32)tmp; + } + + return (0); } WORD32 impd_sys_interface_read(ia_bit_buf_struct* it_bit_buff, - ia_system_interface_struct* system_interface) -{ - //WORD32 err = 0; - WORD32 i = 0, tmp = 0; - - system_interface->target_config_request_type = impd_read_bits_buf(it_bit_buff, 2); - if(it_bit_buff->error) - return it_bit_buff->error; - - switch (system_interface->target_config_request_type) { - case 0: - system_interface->num_downmix_id_requests = impd_read_bits_buf(it_bit_buff, 4); - if(it_bit_buff->error) - return it_bit_buff->error; - - if (system_interface->num_downmix_id_requests == 0) { - system_interface->num_downmix_id_requests = 1; - system_interface->requested_dwnmix_id[0] = 0; - break; - } - for (i=0; i<system_interface->num_downmix_id_requests; i++) { - system_interface->requested_dwnmix_id[i] = impd_read_bits_buf(it_bit_buff, 7); - if(it_bit_buff->error) - return it_bit_buff->error; - } - break; - case 1: - system_interface->requested_target_layout = impd_read_bits_buf(it_bit_buff, 8); - if(it_bit_buff->error) - return it_bit_buff->error; - break; - case 2: - tmp = impd_read_bits_buf(it_bit_buff, 7); - if(it_bit_buff->error) - return it_bit_buff->error; - system_interface->requested_target_ch_count = tmp + 1; - break; - default: - return(1); - break; - } - return(0); + ia_system_interface_struct* system_interface) { + // WORD32 err = 0; + WORD32 i = 0, tmp = 0; + + system_interface->target_config_request_type = + impd_read_bits_buf(it_bit_buff, 2); + if (it_bit_buff->error) return it_bit_buff->error; + + switch (system_interface->target_config_request_type) { + case 0: + system_interface->num_downmix_id_requests = + impd_read_bits_buf(it_bit_buff, 4); + if (it_bit_buff->error) return it_bit_buff->error; + + if (system_interface->num_downmix_id_requests == 0) { + system_interface->num_downmix_id_requests = 1; + system_interface->requested_dwnmix_id[0] = 0; + break; + } + for (i = 0; i < system_interface->num_downmix_id_requests; i++) { + system_interface->requested_dwnmix_id[i] = + impd_read_bits_buf(it_bit_buff, 7); + if (it_bit_buff->error) return it_bit_buff->error; + } + break; + case 1: + system_interface->requested_target_layout = + impd_read_bits_buf(it_bit_buff, 8); + if (it_bit_buff->error) return it_bit_buff->error; + break; + case 2: + tmp = impd_read_bits_buf(it_bit_buff, 7); + if (it_bit_buff->error) return it_bit_buff->error; + system_interface->requested_target_ch_count = tmp + 1; + break; + default: + return (1); + break; + } + return (0); } -WORD32 impd_loudness_norm_control_interface_read(ia_bit_buf_struct* it_bit_buff, - ia_loudness_norm_ctrl_interface_struct* loudness_norm_ctrl_interface) -{ - //WORD32 err = 0; - WORD32 tmp = 0; - - loudness_norm_ctrl_interface->loudness_normalization_on = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - - if (loudness_norm_ctrl_interface->loudness_normalization_on == 1) { - tmp = impd_read_bits_buf(it_bit_buff, 12); - if(it_bit_buff->error) - return it_bit_buff->error; - loudness_norm_ctrl_interface->target_loudness = - tmp * 0.03125f; - } - return(0); +WORD32 impd_loudness_norm_control_interface_read( + ia_bit_buf_struct* it_bit_buff, + ia_loudness_norm_ctrl_interface_struct* loudness_norm_ctrl_interface) { + // WORD32 err = 0; + WORD32 tmp = 0; + + loudness_norm_ctrl_interface->loudness_normalization_on = + impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; + + if (loudness_norm_ctrl_interface->loudness_normalization_on == 1) { + tmp = impd_read_bits_buf(it_bit_buff, 12); + if (it_bit_buff->error) return it_bit_buff->error; + loudness_norm_ctrl_interface->target_loudness = -tmp * 0.03125f; + } + return (0); } -WORD32 impd_loudness_norm_param_interface_read(ia_bit_buf_struct* it_bit_buff, - ia_loudness_norm_parameter_interface_struct* loudness_norm_param_interface) -{ - //WORD32 err = 0; - WORD32 tmp = 0; - - tmp = impd_read_bits_buf(it_bit_buff, 3); - if(it_bit_buff->error) - return it_bit_buff->error; - - loudness_norm_param_interface->album_mode = (tmp>>2)&1; - loudness_norm_param_interface->peak_limiter = (tmp>>1)&1; - loudness_norm_param_interface->change_loudness_deviation_max = tmp&1; - - if (loudness_norm_param_interface->change_loudness_deviation_max == 1) { - loudness_norm_param_interface->loudness_deviation_max = impd_read_bits_buf(it_bit_buff, 6); - if(it_bit_buff->error) - return it_bit_buff->error; +WORD32 impd_loudness_norm_param_interface_read( + ia_bit_buf_struct* it_bit_buff, ia_loudness_norm_parameter_interface_struct* + loudness_norm_param_interface) { + // WORD32 err = 0; + WORD32 tmp = 0; + + tmp = impd_read_bits_buf(it_bit_buff, 3); + if (it_bit_buff->error) return it_bit_buff->error; + + loudness_norm_param_interface->album_mode = (tmp >> 2) & 1; + loudness_norm_param_interface->peak_limiter = (tmp >> 1) & 1; + loudness_norm_param_interface->change_loudness_deviation_max = tmp & 1; + + if (loudness_norm_param_interface->change_loudness_deviation_max == 1) { + loudness_norm_param_interface->loudness_deviation_max = + impd_read_bits_buf(it_bit_buff, 6); + if (it_bit_buff->error) return it_bit_buff->error; + } + + loudness_norm_param_interface->change_loudness_measur_method = + impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; + if (loudness_norm_param_interface->change_loudness_measur_method == 1) { + loudness_norm_param_interface->loudness_measurement_method = + impd_read_bits_buf(it_bit_buff, 3); + if (it_bit_buff->error) return it_bit_buff->error; + } + + loudness_norm_param_interface->change_loudness_measur_system = + impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; + if (loudness_norm_param_interface->change_loudness_measur_system == 1) { + loudness_norm_param_interface->loudness_measurement_system = + impd_read_bits_buf(it_bit_buff, 4); + if (it_bit_buff->error) return it_bit_buff->error; + } + + loudness_norm_param_interface->change_loudness_measur_pre_proc = + impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; + if (loudness_norm_param_interface->change_loudness_measur_pre_proc == 1) { + loudness_norm_param_interface->loudness_measurement_pre_proc = + impd_read_bits_buf(it_bit_buff, 2); + if (it_bit_buff->error) return it_bit_buff->error; + } + + loudness_norm_param_interface->change_device_cut_off_freq = + impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; + if (loudness_norm_param_interface->change_device_cut_off_freq == 1) { + tmp = impd_read_bits_buf(it_bit_buff, 6); + if (it_bit_buff->error) return it_bit_buff->error; + loudness_norm_param_interface->device_cut_off_frequency = + max(min(tmp * 10, 500), 20); + } + + loudness_norm_param_interface->change_loudness_norm_gain_db_max = + impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; + if (loudness_norm_param_interface->change_loudness_norm_gain_db_max == 1) { + tmp = impd_read_bits_buf(it_bit_buff, 6); + if (it_bit_buff->error) return it_bit_buff->error; + if (tmp < 63) { + loudness_norm_param_interface->loudness_norm_gain_db_max = tmp * 0.5f; + } else { + loudness_norm_param_interface->loudness_norm_gain_db_max = + LOUDNESS_NORMALIZATION_GAIN_MAX_DEFAULT; } + } + + loudness_norm_param_interface->change_loudness_norm_gain_modification_db = + impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; + if (loudness_norm_param_interface + ->change_loudness_norm_gain_modification_db == 1) { + tmp = impd_read_bits_buf(it_bit_buff, 10); + if (it_bit_buff->error) return it_bit_buff->error; + loudness_norm_param_interface->loudness_norm_gain_modification_db = + -16 + tmp * 0.03125f; + } + + loudness_norm_param_interface->change_output_peak_level_max = + impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; + if (loudness_norm_param_interface->change_output_peak_level_max == 1) { + tmp = impd_read_bits_buf(it_bit_buff, 6); + if (it_bit_buff->error) return it_bit_buff->error; + loudness_norm_param_interface->output_peak_level_max = tmp * 0.5f; + } + + return (0); +} - loudness_norm_param_interface->change_loudness_measur_method = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - if (loudness_norm_param_interface->change_loudness_measur_method == 1) { - loudness_norm_param_interface->loudness_measurement_method = impd_read_bits_buf(it_bit_buff, 3); - if(it_bit_buff->error) - return it_bit_buff->error; - } +WORD32 impd_drc_interface_read( + ia_bit_buf_struct* it_bit_buff, + ia_dyn_rng_ctrl_interface_struct* drc_ctrl_interface) { + // WORD32 err = 0; + WORD32 i = 0, j = 0, tmp = 0; - loudness_norm_param_interface->change_loudness_measur_system = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - if (loudness_norm_param_interface->change_loudness_measur_system == 1) { - loudness_norm_param_interface->loudness_measurement_system = impd_read_bits_buf(it_bit_buff, 4); - if(it_bit_buff->error) - return it_bit_buff->error; - } + drc_ctrl_interface->dynamic_range_control_on = + impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; - loudness_norm_param_interface->change_loudness_measur_pre_proc = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - if (loudness_norm_param_interface->change_loudness_measur_pre_proc == 1) { - loudness_norm_param_interface->loudness_measurement_pre_proc = impd_read_bits_buf(it_bit_buff, 2); - if(it_bit_buff->error) - return it_bit_buff->error; - } + if (drc_ctrl_interface->dynamic_range_control_on == 1) { + drc_ctrl_interface->num_drc_feature_requests = + impd_read_bits_buf(it_bit_buff, 3); + if (it_bit_buff->error) return it_bit_buff->error; - loudness_norm_param_interface->change_device_cut_off_freq = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - if (loudness_norm_param_interface->change_device_cut_off_freq == 1) { - tmp = impd_read_bits_buf(it_bit_buff, 6); - if(it_bit_buff->error) - return it_bit_buff->error; - loudness_norm_param_interface->device_cut_off_frequency = max(min(tmp*10,500),20); - } + for (i = 0; i < drc_ctrl_interface->num_drc_feature_requests; i++) { + drc_ctrl_interface->drc_feature_req_type[i] = + impd_read_bits_buf(it_bit_buff, 2); + if (it_bit_buff->error) return it_bit_buff->error; - loudness_norm_param_interface->change_loudness_norm_gain_db_max = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - if (loudness_norm_param_interface->change_loudness_norm_gain_db_max == 1) { - tmp = impd_read_bits_buf(it_bit_buff, 6); - if(it_bit_buff->error) - return it_bit_buff->error; - if (tmp<63) { - loudness_norm_param_interface->loudness_norm_gain_db_max = tmp*0.5f; - } else { - loudness_norm_param_interface->loudness_norm_gain_db_max = LOUDNESS_NORMALIZATION_GAIN_MAX_DEFAULT; - } + switch (drc_ctrl_interface->drc_feature_req_type[i]) { + case 0: + tmp = impd_read_bits_buf(it_bit_buff, 8); + if (it_bit_buff->error) return it_bit_buff->error; + + drc_ctrl_interface->requested_num_drc_effects[i] = (tmp >> 4) & 0xf; + drc_ctrl_interface->desired_num_drc_effects_of_requested[i] = + tmp & 0xf; + + for (j = 0; j < drc_ctrl_interface->requested_num_drc_effects[i]; + j++) { + drc_ctrl_interface->requested_drc_effect_type[i][j] = + impd_read_bits_buf(it_bit_buff, 4); + if (it_bit_buff->error) return it_bit_buff->error; + } + break; + case 1: + tmp = impd_read_bits_buf(it_bit_buff, 3); + if (it_bit_buff->error) return it_bit_buff->error; + + drc_ctrl_interface->requested_dyn_rng_measurement_type[i] = + (tmp >> 1) & 3; + drc_ctrl_interface->requested_dyn_range_is_single_val_flag[i] = + tmp & 1; + + if (drc_ctrl_interface->requested_dyn_range_is_single_val_flag[i] == + 0) { + tmp = impd_read_bits_buf(it_bit_buff, 8); + if (it_bit_buff->error) return it_bit_buff->error; + if (tmp == 0) + drc_ctrl_interface->requested_dyn_range_value[i] = 0.0f; + else if (tmp <= 128) + drc_ctrl_interface->requested_dyn_range_value[i] = tmp * 0.25f; + else if (tmp <= 204) + drc_ctrl_interface->requested_dyn_range_value[i] = + 0.5f * tmp - 32.0f; + else + drc_ctrl_interface->requested_dyn_range_value[i] = tmp - 134.0f; + } else { + tmp = impd_read_bits_buf(it_bit_buff, 8); + if (it_bit_buff->error) return it_bit_buff->error; + if (tmp == 0) + drc_ctrl_interface->requested_dyn_range_min_val[i] = 0.0f; + else if (tmp <= 128) + drc_ctrl_interface->requested_dyn_range_min_val[i] = tmp * 0.25f; + else if (tmp <= 204) + drc_ctrl_interface->requested_dyn_range_min_val[i] = + 0.5f * tmp - 32.0f; + else + drc_ctrl_interface->requested_dyn_range_min_val[i] = tmp - 134.0f; + tmp = impd_read_bits_buf(it_bit_buff, 8); + if (it_bit_buff->error) return it_bit_buff->error; + if (tmp == 0) + drc_ctrl_interface->requested_dyn_range_max_val[i] = 0.0f; + else if (tmp <= 128) + drc_ctrl_interface->requested_dyn_range_max_val[i] = tmp * 0.25f; + else if (tmp <= 204) + drc_ctrl_interface->requested_dyn_range_max_val[i] = + 0.5f * tmp - 32.0f; + else + drc_ctrl_interface->requested_dyn_range_max_val[i] = tmp - 134.0f; + } + break; + case 2: + drc_ctrl_interface->requested_drc_characteristic[i] = + impd_read_bits_buf(it_bit_buff, 7); + if (it_bit_buff->error) return it_bit_buff->error; + break; + default: + return (1); + break; + } } + } + return (0); +} - loudness_norm_param_interface->change_loudness_norm_gain_modification_db = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - if (loudness_norm_param_interface->change_loudness_norm_gain_modification_db == 1) { - tmp = impd_read_bits_buf(it_bit_buff, 10); - if(it_bit_buff->error) - return it_bit_buff->error; - loudness_norm_param_interface->loudness_norm_gain_modification_db = -16+tmp*0.03125f; +WORD32 impd_drc_param_interface_read( + ia_bit_buf_struct* it_bit_buff, + ia_drc_parameter_interface_struct* drc_parameter_interface) { + // WORD32 err = 0; + WORD32 tmp = 0; + + tmp = impd_read_bits_buf(it_bit_buff, 2); + if (it_bit_buff->error) return it_bit_buff->error; + + drc_parameter_interface->change_compress = (tmp >> 1) & 1; + drc_parameter_interface->change_boost = tmp & 1; + + if (drc_parameter_interface->change_compress == 1) { + tmp = impd_read_bits_buf(it_bit_buff, 8); + if (it_bit_buff->error) return it_bit_buff->error; + if (tmp < 255) { + drc_parameter_interface->compress = 1 - tmp * 0.00390625f; + } else { + drc_parameter_interface->compress = 0.f; } - - loudness_norm_param_interface->change_output_peak_level_max = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - if (loudness_norm_param_interface->change_output_peak_level_max == 1) { - tmp = impd_read_bits_buf(it_bit_buff, 6); - if(it_bit_buff->error) - return it_bit_buff->error; - loudness_norm_param_interface->output_peak_level_max = tmp*0.5f; + } + + if (drc_parameter_interface->change_boost == 1) { + tmp = impd_read_bits_buf(it_bit_buff, 8); + if (it_bit_buff->error) return it_bit_buff->error; + if (tmp < 255) { + drc_parameter_interface->boost = 1 - tmp * 0.00390625f; + } else { + drc_parameter_interface->boost = 0.f; } - - return(0); + } + + drc_parameter_interface->change_drc_characteristic_target = + impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; + + if (drc_parameter_interface->change_drc_characteristic_target == 1) { + drc_parameter_interface->drc_characteristic_target = + impd_read_bits_buf(it_bit_buff, 8); + if (it_bit_buff->error) return it_bit_buff->error; + } + return (0); } -WORD32 impd_drc_interface_read(ia_bit_buf_struct* it_bit_buff, - ia_dyn_rng_ctrl_interface_struct* drc_ctrl_interface) -{ - //WORD32 err = 0; - WORD32 i = 0, j = 0, tmp = 0; - - drc_ctrl_interface->dynamic_range_control_on = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - - if (drc_ctrl_interface->dynamic_range_control_on == 1) { - drc_ctrl_interface->num_drc_feature_requests = impd_read_bits_buf(it_bit_buff, 3); - if(it_bit_buff->error) - return it_bit_buff->error; - - for (i=0; i<drc_ctrl_interface->num_drc_feature_requests; i++) { - drc_ctrl_interface->drc_feature_req_type[i] = impd_read_bits_buf(it_bit_buff, 2); - if(it_bit_buff->error) - return it_bit_buff->error; - - switch (drc_ctrl_interface->drc_feature_req_type[i]) { - case 0: - tmp = impd_read_bits_buf(it_bit_buff, 8); - if(it_bit_buff->error) - return it_bit_buff->error; - - drc_ctrl_interface->requested_num_drc_effects[i] = (tmp>>4)&0xf; - drc_ctrl_interface->desired_num_drc_effects_of_requested[i] = tmp&0xf; - - for (j=0; j<drc_ctrl_interface->requested_num_drc_effects[i]; j++) - { - drc_ctrl_interface->requested_drc_effect_type[i][j] = impd_read_bits_buf(it_bit_buff, 4); - if(it_bit_buff->error) - return it_bit_buff->error; - } - break; - case 1: - tmp = impd_read_bits_buf(it_bit_buff, 3); - if(it_bit_buff->error) - return it_bit_buff->error; - - drc_ctrl_interface->requested_dyn_rng_measurement_type[i] = (tmp>>1)&3; - drc_ctrl_interface->requested_dyn_range_is_single_val_flag[i] = tmp&1; - - if (drc_ctrl_interface->requested_dyn_range_is_single_val_flag[i] == 0) { - tmp = impd_read_bits_buf(it_bit_buff, 8); - if(it_bit_buff->error) - return it_bit_buff->error; - if (tmp == 0) - drc_ctrl_interface->requested_dyn_range_value[i] = 0.0f; - else if(tmp <= 128) - drc_ctrl_interface->requested_dyn_range_value[i] = tmp * 0.25f; - else if(tmp <= 204) - drc_ctrl_interface->requested_dyn_range_value[i] = 0.5f * tmp - 32.0f; - else - drc_ctrl_interface->requested_dyn_range_value[i] = tmp - 134.0f; - } else { - tmp = impd_read_bits_buf(it_bit_buff, 8); - if(it_bit_buff->error) - return it_bit_buff->error; - if (tmp == 0) - drc_ctrl_interface->requested_dyn_range_min_val[i] = 0.0f; - else if(tmp <= 128) - drc_ctrl_interface->requested_dyn_range_min_val[i] = tmp * 0.25f; - else if(tmp <= 204) - drc_ctrl_interface->requested_dyn_range_min_val[i] = 0.5f * tmp - 32.0f; - else - drc_ctrl_interface->requested_dyn_range_min_val[i] = tmp - 134.0f; - tmp = impd_read_bits_buf(it_bit_buff, 8); - if(it_bit_buff->error) - return it_bit_buff->error; - if (tmp == 0) - drc_ctrl_interface->requested_dyn_range_max_val[i] = 0.0f; - else if(tmp <= 128) - drc_ctrl_interface->requested_dyn_range_max_val[i] = tmp * 0.25f; - else if(tmp <= 204) - drc_ctrl_interface->requested_dyn_range_max_val[i] = 0.5f * tmp - 32.0f; - else - drc_ctrl_interface->requested_dyn_range_max_val[i] = tmp - 134.0f; - } - break; - case 2: - drc_ctrl_interface->requested_drc_characteristic[i] = impd_read_bits_buf(it_bit_buff, 7); - if(it_bit_buff->error) - return it_bit_buff->error; - break; - default: - return(1); - break; - } - } - } - return(0); +static WORD32 impd_parse_loud_eq_param_interface( + ia_bit_buf_struct* it_bit_buff, ia_loudness_eq_parameter_interface_struct* + loudness_eq_parameter_interface) { + // WORD32 err = 0; + WORD32 bsSensitivity, bsPlaybackGain; + + loudness_eq_parameter_interface->loudness_eq_request_flag = + impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; + if (loudness_eq_parameter_interface->loudness_eq_request_flag) { + loudness_eq_parameter_interface->loudness_eq_request = + impd_read_bits_buf(it_bit_buff, 2); + if (it_bit_buff->error) return it_bit_buff->error; + } + loudness_eq_parameter_interface->sensitivity_flag = + impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; + if (loudness_eq_parameter_interface->sensitivity_flag) { + bsSensitivity = impd_read_bits_buf(it_bit_buff, 7); + if (it_bit_buff->error) return it_bit_buff->error; + loudness_eq_parameter_interface->sensitivity = bsSensitivity + 23.0f; + } + loudness_eq_parameter_interface->playback_gain_flag = + impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; + if (loudness_eq_parameter_interface->playback_gain_flag) { + bsPlaybackGain = impd_read_bits_buf(it_bit_buff, 7); + if (it_bit_buff->error) return it_bit_buff->error; + loudness_eq_parameter_interface->playback_gain = (FLOAT32)-bsPlaybackGain; + } + return (0); } -WORD32 impd_drc_param_interface_read(ia_bit_buf_struct* it_bit_buff, - ia_drc_parameter_interface_struct* drc_parameter_interface) -{ - //WORD32 err = 0; - WORD32 tmp = 0; - - tmp = impd_read_bits_buf(it_bit_buff, 2); - if(it_bit_buff->error) - return it_bit_buff->error; - - drc_parameter_interface->change_compress = (tmp>>1)&1; - drc_parameter_interface->change_boost = tmp&1; - - if (drc_parameter_interface->change_compress == 1) { - tmp = impd_read_bits_buf(it_bit_buff, 8); - if(it_bit_buff->error) - return it_bit_buff->error; - if (tmp<255) { - drc_parameter_interface->compress = 1 - tmp * 0.00390625f; - } else { - drc_parameter_interface->compress = 0.f; +WORD32 +impd_unidrc_interface_extension_read( + ia_bit_buf_struct* it_bit_buff, + ia_drc_interface_struct* impd_drc_uni_interface, + ia_drc_uni_interface_ext_struct* drc_uni_interface_ext) { + WORD32 err = 0, i = 0, tmp = 0, dummy; + WORD32 uni_drc_interface_ext_type; + ia_specific_interface_extension_struct* specific_interface_ext; + + uni_drc_interface_ext_type = impd_read_bits_buf(it_bit_buff, 4); + if (it_bit_buff->error) return it_bit_buff->error; + + while (uni_drc_interface_ext_type != UNIDRCINTERFACEEXT_TERM) { + specific_interface_ext = + &(drc_uni_interface_ext->specific_interface_ext[i]); + specific_interface_ext->uni_drc_interface_ext_type = + uni_drc_interface_ext_type; + tmp = impd_read_bits_buf(it_bit_buff, 4); + if (it_bit_buff->error) return it_bit_buff->error; + specific_interface_ext->ext_size_bits = tmp + 4; + + tmp = + impd_read_bits_buf(it_bit_buff, specific_interface_ext->ext_size_bits); + if (it_bit_buff->error) return it_bit_buff->error; + + specific_interface_ext->ext_bit_size = tmp + 1; + + switch (uni_drc_interface_ext_type) { + case UNIDRCINTERFACEEXT_EQ: + impd_drc_uni_interface->drc_uni_interface_ext + .loudness_eq_parameter_interface_flag = + impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; + if (impd_drc_uni_interface->drc_uni_interface_ext + .loudness_eq_parameter_interface_flag) { + err = impd_parse_loud_eq_param_interface( + it_bit_buff, &(impd_drc_uni_interface->drc_uni_interface_ext + .loudness_eq_parameter_interface)); + if (err) return (err); } - } - - if (drc_parameter_interface->change_boost == 1) { - tmp = impd_read_bits_buf(it_bit_buff, 8); - if(it_bit_buff->error) - return it_bit_buff->error; - if (tmp<255) { - drc_parameter_interface->boost = 1 - tmp * 0.00390625f; - } else { - drc_parameter_interface->boost = 0.f; + impd_drc_uni_interface->drc_uni_interface_ext.eq_ctrl_interface_flag = + impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; + if (impd_drc_uni_interface->drc_uni_interface_ext + .eq_ctrl_interface_flag) { + impd_drc_uni_interface->drc_uni_interface_ext.eq_ctrl_interface + .eq_set_purpose_request = impd_read_bits_buf(it_bit_buff, 16); + if (it_bit_buff->error) return it_bit_buff->error; } + break; + default: + dummy = impd_read_bits_buf(it_bit_buff, + specific_interface_ext->ext_bit_size); + if (it_bit_buff->error) return it_bit_buff->error; + break; } - drc_parameter_interface->change_drc_characteristic_target = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - - if (drc_parameter_interface->change_drc_characteristic_target == 1) { - drc_parameter_interface->drc_characteristic_target = impd_read_bits_buf(it_bit_buff, 8); - if(it_bit_buff->error) - return it_bit_buff->error; - } - return(0); -} - -static WORD32 impd_parse_loud_eq_param_interface(ia_bit_buf_struct* it_bit_buff, - ia_loudness_eq_parameter_interface_struct* loudness_eq_parameter_interface) -{ - //WORD32 err = 0; - WORD32 bsSensitivity, bsPlaybackGain; - - loudness_eq_parameter_interface->loudness_eq_request_flag = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - if (loudness_eq_parameter_interface->loudness_eq_request_flag) { - loudness_eq_parameter_interface->loudness_eq_request = impd_read_bits_buf(it_bit_buff, 2); - if(it_bit_buff->error) - return it_bit_buff->error; - } - loudness_eq_parameter_interface->sensitivity_flag = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - if (loudness_eq_parameter_interface->sensitivity_flag) { - bsSensitivity = impd_read_bits_buf(it_bit_buff, 7); - if(it_bit_buff->error) - return it_bit_buff->error; - loudness_eq_parameter_interface->sensitivity = bsSensitivity + 23.0f; + i++; + if (i == EXT_COUNT_MAX) { + return (1); } - loudness_eq_parameter_interface->playback_gain_flag = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - if (loudness_eq_parameter_interface->playback_gain_flag) { - bsPlaybackGain = impd_read_bits_buf(it_bit_buff, 7); - if(it_bit_buff->error) - return it_bit_buff->error; - loudness_eq_parameter_interface->playback_gain = (FLOAT32) - bsPlaybackGain; - } - return (0); -} - -WORD32 -impd_unidrc_interface_extension_read(ia_bit_buf_struct* it_bit_buff, - ia_drc_interface_struct* impd_drc_uni_interface, - ia_drc_uni_interface_ext_struct* drc_uni_interface_ext) -{ - WORD32 err = 0, i = 0, tmp = 0, dummy; - WORD32 uni_drc_interface_ext_type; - ia_specific_interface_extension_struct* specific_interface_ext; - uni_drc_interface_ext_type = impd_read_bits_buf(it_bit_buff, 4); - if(it_bit_buff->error) - return it_bit_buff->error; - - while (uni_drc_interface_ext_type != UNIDRCINTERFACEEXT_TERM) { - specific_interface_ext = &(drc_uni_interface_ext->specific_interface_ext[i]); - specific_interface_ext->uni_drc_interface_ext_type = uni_drc_interface_ext_type; - tmp = impd_read_bits_buf(it_bit_buff, 4); - if(it_bit_buff->error) - return it_bit_buff->error; - specific_interface_ext->ext_size_bits = tmp+4; - - tmp = impd_read_bits_buf(it_bit_buff, specific_interface_ext->ext_size_bits); - if(it_bit_buff->error) - return it_bit_buff->error; - - specific_interface_ext->ext_bit_size = tmp+1; - - switch (uni_drc_interface_ext_type) { - case UNIDRCINTERFACEEXT_EQ: - impd_drc_uni_interface->drc_uni_interface_ext.loudness_eq_parameter_interface_flag = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - if (impd_drc_uni_interface->drc_uni_interface_ext.loudness_eq_parameter_interface_flag) { - err = impd_parse_loud_eq_param_interface(it_bit_buff, &(impd_drc_uni_interface->drc_uni_interface_ext.loudness_eq_parameter_interface)); - if (err) return(err); - } - impd_drc_uni_interface->drc_uni_interface_ext.eq_ctrl_interface_flag = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - if (impd_drc_uni_interface->drc_uni_interface_ext.eq_ctrl_interface_flag) { - impd_drc_uni_interface->drc_uni_interface_ext.eq_ctrl_interface.eq_set_purpose_request = impd_read_bits_buf(it_bit_buff, 16); - if(it_bit_buff->error) - return it_bit_buff->error; - } - break; - default: - dummy = impd_read_bits_buf(it_bit_buff, specific_interface_ext->ext_bit_size); - if(it_bit_buff->error) - return it_bit_buff->error; - break; - } - - i++; - if (i==EXT_COUNT_MAX) - { - return(1); - } - uni_drc_interface_ext_type = impd_read_bits_buf(it_bit_buff, 4); - if(it_bit_buff->error) - return it_bit_buff->error; - } - drc_uni_interface_ext->interface_ext_count = i; - return(0); + if (it_bit_buff->error) return it_bit_buff->error; + } + drc_uni_interface_ext->interface_ext_count = i; + return (0); } WORD32 impd_unidrc_interface_read(ia_bit_buf_struct* it_bit_buff, - ia_drc_interface_struct* uniDrcInterface) -{ - WORD32 err = 0; - - uniDrcInterface->interface_signat_flag = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - if (uniDrcInterface->interface_signat_flag == 1) { - err = impd_unidrc_interface_signature_read(it_bit_buff, &(uniDrcInterface->drc_uni_interface_signature)); - if (err) return(err); - } - - uniDrcInterface->system_interface_flag = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - if (uniDrcInterface->system_interface_flag == 1) { - err = impd_sys_interface_read(it_bit_buff, &(uniDrcInterface->system_interface)); - if (err) return(err); - } - - uniDrcInterface->loudness_norm_ctrl_interface_flag = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - if (uniDrcInterface->loudness_norm_ctrl_interface_flag == 1) { - err = impd_loudness_norm_control_interface_read(it_bit_buff, &(uniDrcInterface->loudness_norm_ctrl_interface)); - if (err) return(err); - } - - uniDrcInterface->loudness_norm_parameter_interface_flag = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - if (uniDrcInterface->loudness_norm_parameter_interface_flag == 1) { - err = impd_loudness_norm_param_interface_read(it_bit_buff, &(uniDrcInterface->loudness_norm_param_interface)); - if (err) return(err); - } - - uniDrcInterface->drc_interface_flag = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - if (uniDrcInterface->drc_interface_flag == 1) { - err = impd_drc_interface_read(it_bit_buff, &(uniDrcInterface->drc_ctrl_interface)); - if (err) return(err); - } - - uniDrcInterface->drc_parameter_interface_flag = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - if (uniDrcInterface->drc_parameter_interface_flag == 1) { - err = impd_drc_param_interface_read(it_bit_buff, &(uniDrcInterface->drc_parameter_interface)); - if (err) return(err); - } - - uniDrcInterface->drc_uni_interface_ext_flag = impd_read_bits_buf(it_bit_buff, 1); - if(it_bit_buff->error) - return it_bit_buff->error; - if (uniDrcInterface->drc_uni_interface_ext_flag == 1) { - err = impd_unidrc_interface_extension_read(it_bit_buff, uniDrcInterface, &(uniDrcInterface->drc_uni_interface_ext)); - if (err) return(err); - } - - return(0); + ia_drc_interface_struct* uniDrcInterface) { + WORD32 err = 0; + + uniDrcInterface->interface_signat_flag = impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; + if (uniDrcInterface->interface_signat_flag == 1) { + err = impd_unidrc_interface_signature_read( + it_bit_buff, &(uniDrcInterface->drc_uni_interface_signature)); + if (err) return (err); + } + + uniDrcInterface->system_interface_flag = impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; + if (uniDrcInterface->system_interface_flag == 1) { + err = impd_sys_interface_read(it_bit_buff, + &(uniDrcInterface->system_interface)); + if (err) return (err); + } + + uniDrcInterface->loudness_norm_ctrl_interface_flag = + impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; + if (uniDrcInterface->loudness_norm_ctrl_interface_flag == 1) { + err = impd_loudness_norm_control_interface_read( + it_bit_buff, &(uniDrcInterface->loudness_norm_ctrl_interface)); + if (err) return (err); + } + + uniDrcInterface->loudness_norm_parameter_interface_flag = + impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; + if (uniDrcInterface->loudness_norm_parameter_interface_flag == 1) { + err = impd_loudness_norm_param_interface_read( + it_bit_buff, &(uniDrcInterface->loudness_norm_param_interface)); + if (err) return (err); + } + + uniDrcInterface->drc_interface_flag = impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; + if (uniDrcInterface->drc_interface_flag == 1) { + err = impd_drc_interface_read(it_bit_buff, + &(uniDrcInterface->drc_ctrl_interface)); + if (err) return (err); + } + + uniDrcInterface->drc_parameter_interface_flag = + impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; + if (uniDrcInterface->drc_parameter_interface_flag == 1) { + err = impd_drc_param_interface_read( + it_bit_buff, &(uniDrcInterface->drc_parameter_interface)); + if (err) return (err); + } + + uniDrcInterface->drc_uni_interface_ext_flag = + impd_read_bits_buf(it_bit_buff, 1); + if (it_bit_buff->error) return it_bit_buff->error; + if (uniDrcInterface->drc_uni_interface_ext_flag == 1) { + err = impd_unidrc_interface_extension_read( + it_bit_buff, uniDrcInterface, + &(uniDrcInterface->drc_uni_interface_ext)); + if (err) return (err); + } + + return (0); }
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