21 #include "JackSystemDeps.h"
22 #include "JackLoopbackDriver.h"
23 #include "JackDriverLoader.h"
24 #include "JackEngineControl.h"
25 #include "JackGraphManager.h"
26 #include "JackError.h"
35 int JackLoopbackDriver::ProcessReadSync()
40 for (
int i = 0; i < fCaptureChannels; i++) {
41 memcpy(GetInputBuffer(i), GetOutputBuffer(i),
sizeof(jack_default_audio_sample_t) * fEngineControl->fBufferSize);
44 if (ResumeRefNum() < 0) {
45 jack_error(
"JackLoopbackDriver::ProcessReadSync - ResumeRefNum error");
52 int JackLoopbackDriver::ProcessWriteSync()
54 if (SuspendRefNum() < 0) {
55 jack_error(
"JackLoopbackDriver::ProcessWriteSync SuspendRefNum error");
61 int JackLoopbackDriver::ProcessReadAsync()
66 for (
int i = 0; i < fCaptureChannels; i++) {
67 memcpy(GetInputBuffer(i), GetOutputBuffer(i),
sizeof(jack_default_audio_sample_t) * fEngineControl->fBufferSize);
70 if (ResumeRefNum() < 0) {
71 jack_error(
"JackLoopbackDriver::ProcessReadAsync - ResumeRefNum error");
78 int JackLoopbackDriver::ProcessWriteAsync()
96 desc = jack_driver_descriptor_construct(
"loopback", JackDriverSlave,
"Loopback backend", &filler);
99 jack_driver_descriptor_add_parameter(desc, &filler,
"channels",
'c', JackDriverParamInt, &value, NULL,
"Maximum number of loopback ports", NULL);
110 for (node = params; node; node = jack_slist_next (node)) {
113 switch (param->character) {
116 channels = param->value.ui;
122 if (driver->Open(1, 1, channels, channels,
false,
"loopback",
"loopback", 0, 0) == 0) {