mirror of
https://github.com/ElvishArtisan/rivendell.git
synced 2025-05-28 22:52:37 +02:00
Merge branch 'caed_playback_tuning' of https://github.com/tryphon/rivendell into tryphon-caed_playback_tuning
This commit is contained in:
Fred Gleason
commit
6d7ed78c62
491
cae/cae_alsa.cpp
491
cae/cae_alsa.cpp
@ -42,7 +42,7 @@ RDMeterAverage *alsa_output_meter[RD_MAX_CARDS][RD_MAX_PORTS][2];
|
||||
RDMeterAverage *alsa_stream_output_meter[RD_MAX_CARDS][RD_MAX_STREAMS][2];
|
||||
volatile double alsa_input_volume[RD_MAX_CARDS][RD_MAX_PORTS];
|
||||
volatile double alsa_output_volume[RD_MAX_CARDS][RD_MAX_PORTS][RD_MAX_STREAMS];
|
||||
volatile double
|
||||
volatile double
|
||||
alsa_passthrough_volume[RD_MAX_CARDS][RD_MAX_PORTS][RD_MAX_PORTS];
|
||||
volatile double alsa_input_vox[RD_MAX_CARDS][RD_MAX_PORTS];
|
||||
RDRingBuffer *alsa_play_ring[RD_MAX_CARDS][RD_MAX_STREAMS];
|
||||
@ -103,7 +103,7 @@ void AlsaCapture2Callback(struct alsa_format *alsa_format)
|
||||
alsa_record_ring[alsa_format->card][i]->
|
||||
write(alsa_buffer,s*sizeof(int16_t));
|
||||
break;
|
||||
|
||||
|
||||
case 2:
|
||||
for(int k=0;k<s;k++) {
|
||||
((int16_t *)alsa_buffer)[2*k]=
|
||||
@ -124,7 +124,7 @@ void AlsaCapture2Callback(struct alsa_format *alsa_format)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//
|
||||
// Process Passthroughs
|
||||
//
|
||||
@ -160,7 +160,7 @@ void AlsaCapture2Callback(struct alsa_format *alsa_format)
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
|
||||
case SND_PCM_FORMAT_S32_LE:
|
||||
modulo=alsa_format->channels*2;
|
||||
for(unsigned i=0;i<(alsa_format->channels/2);i++) {
|
||||
@ -182,7 +182,7 @@ void AlsaCapture2Callback(struct alsa_format *alsa_format)
|
||||
alsa_record_ring[alsa_format->card][i]->
|
||||
write(alsa_buffer,s*sizeof(int16_t));
|
||||
break;
|
||||
|
||||
|
||||
case 2:
|
||||
for(int k=0;k<s;k++) {
|
||||
((int16_t *)alsa_buffer)[2*k]=
|
||||
@ -201,7 +201,7 @@ void AlsaCapture2Callback(struct alsa_format *alsa_format)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//
|
||||
// Process Passthroughs
|
||||
//
|
||||
@ -284,249 +284,260 @@ void AlsaPlay2Callback(struct alsa_format *alsa_format)
|
||||
memset(alsa_format->card_buffer,0,alsa_format->card_buffer_size);
|
||||
|
||||
switch(alsa_format->format) {
|
||||
case SND_PCM_FORMAT_S16_LE:
|
||||
for(unsigned j=0;j<RD_MAX_STREAMS;j++) {
|
||||
if(alsa_playing[alsa_format->card][j]) {
|
||||
switch(alsa_output_channels[alsa_format->card][j]) {
|
||||
case 1:
|
||||
n=alsa_play_ring[alsa_format->card][j]->
|
||||
read(alsa_buffer,alsa_format->
|
||||
buffer_size/alsa_format->periods)/
|
||||
(2*sizeof(int16_t));
|
||||
stream_out_meter=0; // Stream Output Meters
|
||||
for(int k=0;k<n;k++) {
|
||||
if(abs(((int16_t *)alsa_buffer)[k])>stream_out_meter) {
|
||||
stream_out_meter=abs(((int16_t *)alsa_buffer)[k]);
|
||||
}
|
||||
}
|
||||
alsa_stream_output_meter[alsa_format->card][j][0]->
|
||||
addValue(((double)stream_out_meter)/32768.0);
|
||||
alsa_stream_output_meter[alsa_format->card][j][1]->
|
||||
addValue(((double)stream_out_meter)/32768.0);
|
||||
modulo=alsa_format->channels;
|
||||
for(unsigned i=0;i<(alsa_format->channels/2);i++) {
|
||||
if(alsa_output_volume[alsa_format->card][i][j]!=0.0) {
|
||||
for(int k=0;k<(2*n);k++) {
|
||||
((int16_t *)alsa_format->card_buffer)[modulo*k+2*i]+=
|
||||
(int16_t)(alsa_output_volume[alsa_format->card][i][j]*
|
||||
(double)(((int16_t *)alsa_buffer)[k]));
|
||||
((int16_t *)alsa_format->card_buffer)[modulo*k+2*i+1]+=
|
||||
(int16_t)(alsa_output_volume[alsa_format->card][i][j]*
|
||||
(double)(((int16_t *)alsa_buffer)[k]));
|
||||
}
|
||||
}
|
||||
}
|
||||
n*=2;
|
||||
break;
|
||||
case SND_PCM_FORMAT_S16_LE:
|
||||
for(unsigned j=0;j<RD_MAX_STREAMS;j++) {
|
||||
if(alsa_playing[alsa_format->card][j]) {
|
||||
switch(alsa_output_channels[alsa_format->card][j]) {
|
||||
case 1:
|
||||
n=alsa_play_ring[alsa_format->card][j]->
|
||||
read(alsa_buffer,alsa_format->
|
||||
buffer_size/alsa_format->periods)/
|
||||
(2*sizeof(int16_t));
|
||||
stream_out_meter=0; // Stream Output Meters
|
||||
for(int k=0;k<n;k++) {
|
||||
if(abs(((int16_t *)alsa_buffer)[k])>stream_out_meter) {
|
||||
stream_out_meter=abs(((int16_t *)alsa_buffer)[k]);
|
||||
}
|
||||
}
|
||||
alsa_stream_output_meter[alsa_format->card][j][0]->
|
||||
addValue(((double)stream_out_meter)/32768.0);
|
||||
alsa_stream_output_meter[alsa_format->card][j][1]->
|
||||
addValue(((double)stream_out_meter)/32768.0);
|
||||
modulo=alsa_format->channels;
|
||||
for(unsigned i=0;i<(alsa_format->channels/2);i++) {
|
||||
if(alsa_output_volume[alsa_format->card][i][j]!=0.0) {
|
||||
for(int k=0;k<(2*n);k++) {
|
||||
((int16_t *)alsa_format->card_buffer)[modulo*k+2*i]+=
|
||||
(int16_t)(alsa_output_volume[alsa_format->card][i][j]*
|
||||
(double)(((int16_t *)alsa_buffer)[k]));
|
||||
((int16_t *)alsa_format->card_buffer)[modulo*k+2*i+1]+=
|
||||
(int16_t)(alsa_output_volume[alsa_format->card][i][j]*
|
||||
(double)(((int16_t *)alsa_buffer)[k]));
|
||||
}
|
||||
}
|
||||
}
|
||||
n*=2;
|
||||
break;
|
||||
|
||||
case 2:
|
||||
n=alsa_play_ring[alsa_format->card][j]->
|
||||
read(alsa_buffer,alsa_format->buffer_size*2/
|
||||
alsa_format->periods)/(2*sizeof(int16_t));
|
||||
for(unsigned k=0;k<2;k++) { // Stream Output Meters
|
||||
stream_out_meter=0;
|
||||
for(int l=0;l<n;l+=2) {
|
||||
if(abs(((int16_t *)alsa_buffer)[l+k])>stream_out_meter) {
|
||||
stream_out_meter=abs(((int16_t *)alsa_buffer)[l+k]);
|
||||
}
|
||||
}
|
||||
alsa_stream_output_meter[alsa_format->card][j][k]->
|
||||
addValue(((double)stream_out_meter)/32768.0);
|
||||
}
|
||||
modulo=alsa_format->channels;
|
||||
for(unsigned i=0;i<(alsa_format->channels/2);i++) {
|
||||
if(alsa_output_volume[alsa_format->card][i][j]!=0.0) {
|
||||
for(int k=0;k<n;k++) {
|
||||
((int16_t *)alsa_format->card_buffer)[modulo*k+2*i]+=
|
||||
(int16_t)(alsa_output_volume[alsa_format->card][i][j]*
|
||||
(double)(((int16_t *)alsa_buffer)[2*k]));
|
||||
((int16_t *)alsa_format->card_buffer)[modulo*k+2*i+1]+=
|
||||
(int16_t)(alsa_output_volume[alsa_format->card][i][j]*
|
||||
(double)(((int16_t *)alsa_buffer)[2*k+1]));
|
||||
}
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
alsa_output_pos[alsa_format->card][j]+=n;
|
||||
if((n==0)&&alsa_eof[alsa_format->card][j]) {
|
||||
alsa_stopping[alsa_format->card][j]=true;
|
||||
}
|
||||
}
|
||||
}
|
||||
n=alsa_format->buffer_size/(2*alsa_format->periods);
|
||||
case 2:
|
||||
n=alsa_play_ring[alsa_format->card][j]->
|
||||
read(alsa_buffer,alsa_format->buffer_size*2/
|
||||
alsa_format->periods)/(2*sizeof(int16_t));
|
||||
for(unsigned k=0;k<2;k++) { // Stream Output Meters
|
||||
stream_out_meter=0;
|
||||
for(int l=0;l<n;l+=2) {
|
||||
if(abs(((int16_t *)alsa_buffer)[l+k])>stream_out_meter) {
|
||||
stream_out_meter=abs(((int16_t *)alsa_buffer)[l+k]);
|
||||
}
|
||||
}
|
||||
alsa_stream_output_meter[alsa_format->card][j][k]->
|
||||
addValue(((double)stream_out_meter)/32768.0);
|
||||
}
|
||||
modulo=alsa_format->channels;
|
||||
for(unsigned i=0;i<(alsa_format->channels/2);i++) {
|
||||
if(alsa_output_volume[alsa_format->card][i][j]!=0.0) {
|
||||
for(int k=0;k<n;k++) {
|
||||
((int16_t *)alsa_format->card_buffer)[modulo*k+2*i]+=
|
||||
(int16_t)(alsa_output_volume[alsa_format->card][i][j]*
|
||||
(double)(((int16_t *)alsa_buffer)[2*k]));
|
||||
((int16_t *)alsa_format->card_buffer)[modulo*k+2*i+1]+=
|
||||
(int16_t)(alsa_output_volume[alsa_format->card][i][j]*
|
||||
(double)(((int16_t *)alsa_buffer)[2*k+1]));
|
||||
}
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
alsa_output_pos[alsa_format->card][j]+=n;
|
||||
if((n==0)&&alsa_eof[alsa_format->card][j]) {
|
||||
alsa_stopping[alsa_format->card][j]=true;
|
||||
}
|
||||
}
|
||||
}
|
||||
n=alsa_format->buffer_size/(2*alsa_format->periods);
|
||||
|
||||
//
|
||||
// Process Passthroughs
|
||||
//
|
||||
for(unsigned i=0;i<alsa_format->capture_channels;i+=2) {
|
||||
p=alsa_passthrough_ring[alsa_format->card][i/2]->
|
||||
read(alsa_format->passthrough_buffer,4*n)/4;
|
||||
for(unsigned j=0;j<alsa_format->channels;j+=2) {
|
||||
for(unsigned k=0;k<2;k++) {
|
||||
for(int l=0;l<p;l++) {
|
||||
((int16_t *)alsa_format->
|
||||
card_buffer)[alsa_format->channels*l+j+k]+=
|
||||
(int16_t)((double)((int16_t *)
|
||||
alsa_format->passthrough_buffer)[2*l+k]*
|
||||
alsa_passthrough_volume[alsa_format->card][i/2][j/2]);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
//
|
||||
// Process Passthroughs
|
||||
//
|
||||
for(unsigned i=0;i<alsa_format->capture_channels;i+=2) {
|
||||
p=alsa_passthrough_ring[alsa_format->card][i/2]->
|
||||
read(alsa_format->passthrough_buffer,4*n)/4;
|
||||
bool zero_volume = true;
|
||||
for (unsigned j=0;j<alsa_format->channels && zero_volume;j+=1) {
|
||||
zero_volume = (alsa_passthrough_volume[alsa_format->card][i/2][j] == 0.0);
|
||||
}
|
||||
if (!zero_volume) {
|
||||
for(unsigned j=0;j<alsa_format->channels;j+=2) {
|
||||
double passthrough_volume = alsa_passthrough_volume[alsa_format->card][i/2][j/2];
|
||||
if (passthrough_volume != 0.0) {
|
||||
for(unsigned k=0;k<2;k++) {
|
||||
for(int l=0;l<p;l++) {
|
||||
((int16_t *)alsa_format->
|
||||
card_buffer)[alsa_format->channels*l+j+k]+=
|
||||
(int16_t)((double)((int16_t *)alsa_format->passthrough_buffer)[2*l+k]*passthrough_volume);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//
|
||||
// Process Output Meters
|
||||
//
|
||||
for(unsigned i=0;i<alsa_format->channels;i+=2) {
|
||||
unsigned port=i/2;
|
||||
for(unsigned j=0;j<2;j++) {
|
||||
out_meter[port][j]=0;
|
||||
for(unsigned k=0;k<alsa_format->buffer_size;k++) {
|
||||
if(((int16_t *)alsa_format->
|
||||
card_buffer)[alsa_format->channels*k+2*i+j]>
|
||||
out_meter[i][j]) {
|
||||
out_meter[i][j]=
|
||||
((int16_t *)alsa_format->
|
||||
card_buffer)[alsa_format->channels*k+2*i+j];
|
||||
}
|
||||
}
|
||||
alsa_output_meter[alsa_format->card][i][j]->
|
||||
addValue(((double)out_meter[i][j])/32768.0);
|
||||
}
|
||||
}
|
||||
break;
|
||||
//
|
||||
// Process Output Meters
|
||||
//
|
||||
for(unsigned i=0;i<alsa_format->channels;i+=2) {
|
||||
unsigned port=i/2;
|
||||
for(unsigned j=0;j<2;j++) {
|
||||
out_meter[port][j]=0;
|
||||
for(unsigned k=0;k<alsa_format->buffer_size;k++) {
|
||||
int16_t sample = ((int16_t *)alsa_format->
|
||||
card_buffer)[alsa_format->channels*k+2*i+j];
|
||||
|
||||
case SND_PCM_FORMAT_S32_LE:
|
||||
for(unsigned j=0;j<RD_MAX_STREAMS;j++) {
|
||||
if(alsa_playing[alsa_format->card][j]) {
|
||||
switch(alsa_output_channels[alsa_format->card][j]) {
|
||||
case 1:
|
||||
n=alsa_play_ring[alsa_format->card][j]->
|
||||
read(alsa_buffer,alsa_format->buffer_size/
|
||||
alsa_format->periods)/(2*sizeof(int16_t));
|
||||
stream_out_meter=0;
|
||||
for(int k=0;k<n;k++) { // Stream Output Meters
|
||||
if(abs(((int16_t *)alsa_buffer)[k])>stream_out_meter) {
|
||||
stream_out_meter=abs(((int16_t *)alsa_buffer)[k]);
|
||||
}
|
||||
}
|
||||
alsa_stream_output_meter[alsa_format->card][j][0]->
|
||||
addValue(((double)stream_out_meter)/32768.0);
|
||||
alsa_stream_output_meter[alsa_format->card][j][1]->
|
||||
addValue(((double)stream_out_meter)/32768.0);
|
||||
modulo=alsa_format->channels*2;
|
||||
for(unsigned i=0;i<(alsa_format->channels/2);i++) {
|
||||
if(alsa_output_volume[alsa_format->card][i][j]!=0.0) {
|
||||
for(int k=0;k<(2*n);k++) {
|
||||
((int16_t *)alsa_format->card_buffer)[modulo*k+4*i+1]+=
|
||||
(int16_t)(alsa_output_volume[alsa_format->card][i][j]*
|
||||
(double)(((int16_t *)alsa_buffer)[k]));
|
||||
((int16_t *)alsa_format->card_buffer)[modulo*k+4*i+3]+=
|
||||
(int16_t)(alsa_output_volume[alsa_format->card][i][j]*
|
||||
(double)(((int16_t *)alsa_buffer)[k]));
|
||||
}
|
||||
}
|
||||
}
|
||||
n*=2;
|
||||
break;
|
||||
if(sample> out_meter[i][j]) {
|
||||
out_meter[i][j]= sample;
|
||||
}
|
||||
}
|
||||
alsa_output_meter[alsa_format->card][i][j]->
|
||||
addValue(((double)out_meter[i][j])/32768.0);
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case 2:
|
||||
n=alsa_play_ring[alsa_format->card][j]->
|
||||
read(alsa_buffer,alsa_format->buffer_size*2/
|
||||
alsa_format->periods)/(2*sizeof(int16_t));
|
||||
for(unsigned k=0;k<2;k++) { // Stream Output Meters
|
||||
stream_out_meter=0;
|
||||
for(int l=0;l<n;l+=2) {
|
||||
if(abs(((int16_t *)alsa_buffer)[l+k])>stream_out_meter) {
|
||||
stream_out_meter=abs(((int16_t *)alsa_buffer)[l+k]);
|
||||
}
|
||||
}
|
||||
alsa_stream_output_meter[alsa_format->card][j][k]->
|
||||
addValue(((double)stream_out_meter)/32768.0);
|
||||
}
|
||||
modulo=alsa_format->channels*2;
|
||||
for(unsigned i=0;i<(alsa_format->channels/2);i++) {
|
||||
if(alsa_output_volume[alsa_format->card][i][j]!=0.0) {
|
||||
for(int k=0;k<n;k++) {
|
||||
((int16_t *)alsa_format->card_buffer)[modulo*k+4*i+1]+=
|
||||
(int16_t)(alsa_output_volume[alsa_format->card][i][j]*
|
||||
(double)(((int16_t *)alsa_buffer)[2*k]));
|
||||
((int16_t *)alsa_format->card_buffer)[modulo*k+4*i+3]+=
|
||||
(int16_t)(alsa_output_volume[alsa_format->card][i][j]*
|
||||
(double)(((int16_t *)alsa_buffer)[2*k+1]));
|
||||
}
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
alsa_output_pos[alsa_format->card][j]+=n;
|
||||
if((n==0)&&alsa_eof[alsa_format->card][j]) {
|
||||
alsa_stopping[alsa_format->card][j]=true;
|
||||
// Empty the ring buffer
|
||||
while(alsa_play_ring[alsa_format->card][j]->
|
||||
read(alsa_buffer,alsa_format->buffer_size*2/
|
||||
alsa_format->periods)/(2*sizeof(int16_t))>0);
|
||||
}
|
||||
}
|
||||
}
|
||||
n=alsa_format->buffer_size/(2*alsa_format->periods);
|
||||
case SND_PCM_FORMAT_S32_LE:
|
||||
for(unsigned j=0;j<RD_MAX_STREAMS;j++) {
|
||||
if(alsa_playing[alsa_format->card][j]) {
|
||||
switch(alsa_output_channels[alsa_format->card][j]) {
|
||||
case 1:
|
||||
n=alsa_play_ring[alsa_format->card][j]->
|
||||
read(alsa_buffer,alsa_format->buffer_size/
|
||||
alsa_format->periods)/(2*sizeof(int16_t));
|
||||
stream_out_meter=0;
|
||||
for(int k=0;k<n;k++) { // Stream Output Meters
|
||||
if(abs(((int16_t *)alsa_buffer)[k])>stream_out_meter) {
|
||||
stream_out_meter=abs(((int16_t *)alsa_buffer)[k]);
|
||||
}
|
||||
}
|
||||
alsa_stream_output_meter[alsa_format->card][j][0]->
|
||||
addValue(((double)stream_out_meter)/32768.0);
|
||||
alsa_stream_output_meter[alsa_format->card][j][1]->
|
||||
addValue(((double)stream_out_meter)/32768.0);
|
||||
modulo=alsa_format->channels*2;
|
||||
for(unsigned i=0;i<(alsa_format->channels/2);i++) {
|
||||
if(alsa_output_volume[alsa_format->card][i][j]!=0.0) {
|
||||
for(int k=0;k<(2*n);k++) {
|
||||
((int16_t *)alsa_format->card_buffer)[modulo*k+4*i+1]+=
|
||||
(int16_t)(alsa_output_volume[alsa_format->card][i][j]*
|
||||
(double)(((int16_t *)alsa_buffer)[k]));
|
||||
((int16_t *)alsa_format->card_buffer)[modulo*k+4*i+3]+=
|
||||
(int16_t)(alsa_output_volume[alsa_format->card][i][j]*
|
||||
(double)(((int16_t *)alsa_buffer)[k]));
|
||||
}
|
||||
}
|
||||
}
|
||||
n*=2;
|
||||
break;
|
||||
|
||||
//
|
||||
// Process Passthroughs
|
||||
//
|
||||
for(unsigned i=0;i<alsa_format->capture_channels;i+=2) {
|
||||
p=alsa_passthrough_ring[alsa_format->card][i/2]->
|
||||
read(alsa_format->passthrough_buffer,8*n)/8;
|
||||
for(unsigned j=0;j<alsa_format->channels;j+=2) {
|
||||
for(unsigned k=0;k<2;k++) {
|
||||
for(int l=0;l<p;l++) {
|
||||
((int32_t *)alsa_format->
|
||||
card_buffer)[alsa_format->channels*l+j+k]+=
|
||||
(int32_t)((double)((int32_t *)
|
||||
alsa_format->passthrough_buffer)[2*l+k]*
|
||||
alsa_passthrough_volume[alsa_format->card][i/2][j/2]);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
case 2:
|
||||
n=alsa_play_ring[alsa_format->card][j]->
|
||||
read(alsa_buffer,alsa_format->buffer_size*2/
|
||||
alsa_format->periods)/(2*sizeof(int16_t));
|
||||
for(unsigned k=0;k<2;k++) { // Stream Output Meters
|
||||
stream_out_meter=0;
|
||||
for(int l=0;l<n;l+=2) {
|
||||
if(abs(((int16_t *)alsa_buffer)[l+k])>stream_out_meter) {
|
||||
stream_out_meter=abs(((int16_t *)alsa_buffer)[l+k]);
|
||||
}
|
||||
}
|
||||
alsa_stream_output_meter[alsa_format->card][j][k]->
|
||||
addValue(((double)stream_out_meter)/32768.0);
|
||||
}
|
||||
modulo=alsa_format->channels*2;
|
||||
for(unsigned i=0;i<(alsa_format->channels/2);i++) {
|
||||
if(alsa_output_volume[alsa_format->card][i][j]!=0.0) {
|
||||
for(int k=0;k<n;k++) {
|
||||
((int16_t *)alsa_format->card_buffer)[modulo*k+4*i+1]+=
|
||||
(int16_t)(alsa_output_volume[alsa_format->card][i][j]*
|
||||
(double)(((int16_t *)alsa_buffer)[2*k]));
|
||||
((int16_t *)alsa_format->card_buffer)[modulo*k+4*i+3]+=
|
||||
(int16_t)(alsa_output_volume[alsa_format->card][i][j]*
|
||||
(double)(((int16_t *)alsa_buffer)[2*k+1]));
|
||||
}
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
alsa_output_pos[alsa_format->card][j]+=n;
|
||||
if((n==0)&&alsa_eof[alsa_format->card][j]) {
|
||||
alsa_stopping[alsa_format->card][j]=true;
|
||||
// Empty the ring buffer
|
||||
while(alsa_play_ring[alsa_format->card][j]->
|
||||
read(alsa_buffer,alsa_format->buffer_size*2/
|
||||
alsa_format->periods)/(2*sizeof(int16_t))>0);
|
||||
}
|
||||
}
|
||||
}
|
||||
n=alsa_format->buffer_size/(2*alsa_format->periods);
|
||||
|
||||
//
|
||||
// Process Output Meters
|
||||
//
|
||||
for(unsigned i=0;i<alsa_format->channels;i+=2) {
|
||||
unsigned port=i/2;
|
||||
for(unsigned j=0;j<2;j++) {
|
||||
out_meter[port][j]=0;
|
||||
for(unsigned k=0;
|
||||
k<(alsa_format->buffer_size*2/alsa_format->periods);
|
||||
k++) {
|
||||
if(((int16_t *)alsa_format->
|
||||
card_buffer)[alsa_format->channels*2*k+2*i+1+2*j]>
|
||||
out_meter[port][j]) {
|
||||
out_meter[port][j]=
|
||||
((int16_t *)alsa_format->
|
||||
card_buffer)[alsa_format->channels*2*k+2*i+1+2*j];
|
||||
}
|
||||
}
|
||||
alsa_output_meter[alsa_format->card][port][j]->
|
||||
addValue(((double)out_meter[port][j])/32768.0);
|
||||
}
|
||||
}
|
||||
break;
|
||||
//
|
||||
// Process Passthroughs
|
||||
//
|
||||
for(unsigned i=0;i<alsa_format->capture_channels;i+=2) {
|
||||
p=alsa_passthrough_ring[alsa_format->card][i/2]->
|
||||
read(alsa_format->passthrough_buffer,8*n)/8;
|
||||
bool zero_volume = true;
|
||||
for (unsigned j=0;j<alsa_format->channels && zero_volume;j+=1) {
|
||||
zero_volume = (alsa_passthrough_volume[alsa_format->card][i/2][j] == 0.0);
|
||||
}
|
||||
if (!zero_volume) {
|
||||
for(unsigned j=0;j<alsa_format->channels;j+=2) {
|
||||
double passthrough_volume = alsa_passthrough_volume[alsa_format->card][i/2][j/2];
|
||||
if (passthrough_volume != 0.0) {
|
||||
for(unsigned k=0;k<2;k++) {
|
||||
for(int l=0;l<p;l++) {
|
||||
((int32_t *)alsa_format->
|
||||
card_buffer)[alsa_format->channels*l+j+k]+=
|
||||
(int32_t)((double)((int32_t *)alsa_format->passthrough_buffer)[2*l+k]*passthrough_volume);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
default:
|
||||
break;
|
||||
//
|
||||
// Process Output Meters
|
||||
//
|
||||
unsigned buffer_width;
|
||||
buffer_width = (alsa_format->buffer_size*2/alsa_format->periods);
|
||||
for(unsigned i=0;i<alsa_format->channels;i+=2) {
|
||||
unsigned port=i/2;
|
||||
for(unsigned j=0;j<2;j++) {
|
||||
out_meter[port][j]=0;
|
||||
for(unsigned k=0; k<buffer_width; k++) {
|
||||
int16_t sample = ((int16_t *)alsa_format->
|
||||
card_buffer)[alsa_format->channels*2*k+2*i+1+2*j];
|
||||
if (sample > out_meter[port][j]) {
|
||||
out_meter[port][j] = sample;
|
||||
}
|
||||
}
|
||||
alsa_output_meter[alsa_format->card][port][j]->
|
||||
addValue(((double)out_meter[port][j])/32768.0);
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
int s=snd_pcm_writei(alsa_format->pcm,alsa_format->card_buffer,n);
|
||||
if(s!=n) {
|
||||
if(s<0) {
|
||||
LogLine(RDConfig::LogNotice,
|
||||
QString().sprintf("*** alsa error %d: %s",-s,snd_strerror(s)));
|
||||
LogLine(RDConfig::LogNotice,
|
||||
QString().sprintf("*** alsa error %d: %s",-s,snd_strerror(s)));
|
||||
}
|
||||
else {
|
||||
LogLine(RDConfig::LogNotice,
|
||||
QString().sprintf("period size mismatch - wrote %d\n",s));
|
||||
LogLine(RDConfig::LogNotice,
|
||||
QString().sprintf("period size mismatch - wrote %d\n",s));
|
||||
}
|
||||
}
|
||||
if((snd_pcm_state(alsa_format->pcm)!=SND_PCM_STATE_RUNNING)&&
|
||||
@ -534,8 +545,8 @@ void AlsaPlay2Callback(struct alsa_format *alsa_format)
|
||||
snd_pcm_drop (alsa_format->pcm);
|
||||
snd_pcm_prepare(alsa_format->pcm);
|
||||
LogLine(RDConfig::LogNotice,QString().
|
||||
sprintf("****** ALSA Playout Xrun - Card: %d ******",
|
||||
alsa_format->card));
|
||||
sprintf("****** ALSA Playout Xrun - Card: %d ******",
|
||||
alsa_format->card));
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -833,11 +844,11 @@ bool MainObject::alsaLoadPlayback(int card,QString wavename,int *stream)
|
||||
case WAVE_FORMAT_PCM:
|
||||
case WAVE_FORMAT_VORBIS:
|
||||
break;
|
||||
|
||||
|
||||
case WAVE_FORMAT_MPEG:
|
||||
InitMadDecoder(card,*stream,alsa_play_wave[card][*stream]);
|
||||
break;
|
||||
|
||||
|
||||
default:
|
||||
LogLine(RDConfig::LogErr,QString().sprintf(
|
||||
"Error: alsaLoadPlayback(%s) getFormatTag()%d || getBistsPerSample()%d failed",
|
||||
@ -1351,7 +1362,7 @@ void MainObject::alsaGetOutputPosition(int card,unsigned *pos)
|
||||
pos[i]=1000*(unsigned long long)(alsa_offset[card][i]+
|
||||
alsa_output_pos[card][i])/
|
||||
alsa_play_wave[card][i]->getSamplesPerSec();
|
||||
}
|
||||
}
|
||||
else {
|
||||
pos[i]=0;
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user