Tele42
GitHub
6 years ago
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2 changed files with 11 additions and 11 deletions
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+5 -5alsa_in.c
-
+6 -6alsa_out.c
+ 5
- 5
alsa_in.c
View File
| @@ -176,7 +176,7 @@ static int set_hwparams(snd_pcm_t *handle, snd_pcm_hw_params_t *params, snd_pcm_ | |||
| return err; | |||
| } | |||
| if (rchannels != channels) { | |||
| printf("WARNING: chennel count does not match (requested %d got %d)\n", channels, rchannels); | |||
| printf("WARNING: channels count does not match (requested %d got %d)\n", channels, rchannels); | |||
| num_channels = rchannels; | |||
| } | |||
| /* set the stream rate */ | |||
| @@ -247,7 +247,7 @@ static int set_swparams(snd_pcm_t *handle, snd_pcm_sw_params_t *swparams, int pe | |||
| } | |||
| err = snd_pcm_sw_params_set_stop_threshold(handle, swparams, -1 ); | |||
| if (err < 0) { | |||
| printf("Unable to set start threshold mode for capture: %s\n", snd_strerror(err)); | |||
| printf("Unable to set stop threshold mode for capture: %s\n", snd_strerror(err)); | |||
| return err; | |||
| } | |||
| /* allow the transfer when at least period_size samples can be processed */ | |||
| @@ -391,7 +391,7 @@ int process (jack_nframes_t nframes, void *arg) { | |||
| offset_array[(offset_differential_index++)% smooth_size ] = offset; | |||
| // Build the mean of the windowed offset array | |||
| // basically fir lowpassing. | |||
| // basically for lowpassing. | |||
| double smooth_offset = 0.0; | |||
| for( i=0; i<smooth_size; i++ ) | |||
| smooth_offset += | |||
| @@ -416,7 +416,7 @@ int process (jack_nframes_t nframes, void *arg) { | |||
| // now quantize this value around resample_mean, so that the noise which is in the integral component doesnt hurt. | |||
| current_resample_factor = floor( (current_resample_factor - resample_mean) * controlquant + 0.5 ) / controlquant + resample_mean; | |||
| // Output "instrumentatio" gonna change that to real instrumentation in a few. | |||
| // Output "instrumentation" gonna change that to real instrumentation in a few. | |||
| output_resampling_factor = (float) current_resample_factor; | |||
| output_diff = (float) smooth_offset; | |||
| output_integral = (float) offset_integral; | |||
| @@ -426,7 +426,7 @@ int process (jack_nframes_t nframes, void *arg) { | |||
| if( current_resample_factor < resample_lower_limit ) current_resample_factor = resample_lower_limit; | |||
| if( current_resample_factor > resample_upper_limit ) current_resample_factor = resample_upper_limit; | |||
| // Now Calculate how many samples we need. | |||
| // Now calculate how many samples we need. | |||
| rlen = ceil( ((double)nframes) / current_resample_factor )+2; | |||
| assert( rlen > 2 ); | |||
+ 6
- 6
alsa_out.c
View File
| @@ -175,7 +175,7 @@ static int set_hwparams(snd_pcm_t *handle, snd_pcm_hw_params_t *params, snd_pcm_ | |||
| return err; | |||
| } | |||
| if (rchannels != channels) { | |||
| printf("WARNING: chennel count does not match (requested %d got %d)\n", channels, rchannels); | |||
| printf("WARNING: channel count does not match (requested %d got %d)\n", channels, rchannels); | |||
| num_channels = rchannels; | |||
| } | |||
| /* set the stream rate */ | |||
| @@ -246,7 +246,7 @@ static int set_swparams(snd_pcm_t *handle, snd_pcm_sw_params_t *swparams, int pe | |||
| } | |||
| err = snd_pcm_sw_params_set_stop_threshold(handle, swparams, -1 ); | |||
| if (err < 0) { | |||
| printf("Unable to set start threshold mode for capture: %s\n", snd_strerror(err)); | |||
| printf("Unable to set stop threshold mode for capture: %s\n", snd_strerror(err)); | |||
| return err; | |||
| } | |||
| /* allow the transfer when at least period_size samples can be processed */ | |||
| @@ -371,7 +371,7 @@ int process (jack_nframes_t nframes, void *arg) { | |||
| offset_array[(offset_differential_index++)% smooth_size ] = offset; | |||
| // Build the mean of the windowed offset array | |||
| // basically fir lowpassing. | |||
| // basically for lowpassing. | |||
| double smooth_offset = 0.0; | |||
| for( i=0; i<smooth_size; i++ ) | |||
| smooth_offset += | |||
| @@ -383,7 +383,7 @@ int process (jack_nframes_t nframes, void *arg) { | |||
| // Clamp offset. | |||
| // the smooth offset still contains unwanted noise | |||
| // which would go straigth onto the resample coeff. | |||
| // which would go straight onto the resample coeff. | |||
| // it only used in the P component and the I component is used for the fine tuning anyways. | |||
| if( fabs( smooth_offset ) < pclamp ) | |||
| smooth_offset = 0.0; | |||
| @@ -396,7 +396,7 @@ int process (jack_nframes_t nframes, void *arg) { | |||
| // now quantize this value around resample_mean, so that the noise which is in the integral component doesnt hurt. | |||
| current_resample_factor = floor( (current_resample_factor - resample_mean) * controlquant + 0.5 ) / controlquant + resample_mean; | |||
| // Output "instrumentatio" gonna change that to real instrumentation in a few. | |||
| // Output "instrumentation" gonna change that to real instrumentation in a few. | |||
| output_resampling_factor = (float) current_resample_factor; | |||
| output_diff = (float) smooth_offset; | |||
| output_integral = (float) offset_integral; | |||
| @@ -406,7 +406,7 @@ int process (jack_nframes_t nframes, void *arg) { | |||
| if( current_resample_factor < resample_lower_limit ) current_resample_factor = resample_lower_limit; | |||
| if( current_resample_factor > resample_upper_limit ) current_resample_factor = resample_upper_limit; | |||
| // Now Calculate how many samples we need. | |||
| // Now calculate how many samples we need. | |||
| rlen = ceil( ((double)nframes) * current_resample_factor )+2; | |||
| assert( rlen > 2 ); | |||