summaryrefslogtreecommitdiff
path: root/common/JackAudioAdapter.cpp
diff options
context:
space:
mode:
authorStephane Letz <letz@grame.fr>2011-11-04 14:47:54 +0100
committerStephane Letz <letz@grame.fr>2011-11-04 14:47:54 +0100
commit734e45092474d2f77933dc2075bfec799b731c37 (patch)
tree9954307ae45def8d493a0eebb7648924938c792e /common/JackAudioAdapter.cpp
parent2b7864ad5ebee559b459c6450ca1965b5906abbb (diff)
downloadjack2-734e45092474d2f77933dc2075bfec799b731c37.tar.gz
NetJack2 code cleanup.
Diffstat (limited to 'common/JackAudioAdapter.cpp')
-rw-r--r--common/JackAudioAdapter.cpp286
1 files changed, 151 insertions, 135 deletions
diff --git a/common/JackAudioAdapter.cpp b/common/JackAudioAdapter.cpp
index 5294bfd7..22120fb7 100644
--- a/common/JackAudioAdapter.cpp
+++ b/common/JackAudioAdapter.cpp
@@ -32,172 +32,188 @@ using namespace std;
namespace Jack
{
-//static methods ***********************************************************
- int JackAudioAdapter::Process (jack_nframes_t frames, void* arg)
- {
- JackAudioAdapter* adapter = static_cast<JackAudioAdapter*>(arg);
- jack_default_audio_sample_t* inputBuffer[adapter->fAudioAdapter->GetInputs()];
- jack_default_audio_sample_t* outputBuffer[adapter->fAudioAdapter->GetOutputs()];
-
- // Always clear output
- for (int i = 0; i < adapter->fAudioAdapter->GetInputs(); i++) {
- #ifdef OPTIMIZED_PROTOCOL
- inputBuffer[i] = (jack_port_connected(adapter->fCapturePortList[i]) > 0)
- ? (jack_default_audio_sample_t*)(adapter->fCapturePortList[i], frames)
- : NULL;
- if (inputBuffer[i]) {
- memset(inputBuffer[i], 0, frames * sizeof(jack_default_audio_sample_t));
- }
- #else
- inputBuffer[i] = (jack_default_audio_sample_t*)jack_port_get_buffer(adapter->fCapturePortList[i], frames);
- memset(inputBuffer[i], 0, frames * sizeof(jack_default_audio_sample_t));
- #endif
- }
-
- for (int i = 0; i < adapter->fAudioAdapter->GetOutputs(); i++) {
- #ifdef OPTIMIZED_PROTOCOL
- outputBuffer[i] = (jack_port_connected(fAudioCapturePorts[audio_port_index] > 0)
- ? (jack_default_audio_sample_t*)jack_port_get_buffer(adapter->fPlaybackPortList[i], frames)
- : NULL;
- #else
- outputBuffer[i] = (jack_default_audio_sample_t*)jack_port_get_buffer(adapter->fPlaybackPortList[i], frames);
- #endif
- }
-
- adapter->fAudioAdapter->PullAndPush(inputBuffer, outputBuffer, frames);
- return 0;
+int JackAudioAdapter::Process(jack_nframes_t frames, void* arg)
+{
+ JackAudioAdapter* adapter = static_cast<JackAudioAdapter*>(arg);
+ jack_default_audio_sample_t* inputBuffer[adapter->fAudioAdapter->GetInputs()];
+ jack_default_audio_sample_t* outputBuffer[adapter->fAudioAdapter->GetOutputs()];
+
+ // Always clear output
+ for (int i = 0; i < adapter->fAudioAdapter->GetInputs(); i++) {
+ inputBuffer[i] = (jack_default_audio_sample_t*)jack_port_get_buffer(adapter->fCapturePortList[i], frames);
+ memset(inputBuffer[i], 0, frames * sizeof(jack_default_audio_sample_t));
}
- int JackAudioAdapter::BufferSize ( jack_nframes_t buffer_size, void* arg )
- {
- JackAudioAdapter* adapter = static_cast<JackAudioAdapter*> ( arg );
- adapter->Reset();
- adapter->fAudioAdapter->SetHostBufferSize ( buffer_size );
- return 0;
+ for (int i = 0; i < adapter->fAudioAdapter->GetOutputs(); i++) {
+ outputBuffer[i] = (jack_default_audio_sample_t*)jack_port_get_buffer(adapter->fPlaybackPortList[i], frames);
}
- int JackAudioAdapter::SampleRate ( jack_nframes_t sample_rate, void* arg )
- {
- JackAudioAdapter* adapter = static_cast<JackAudioAdapter*> ( arg );
- adapter->Reset();
- adapter->fAudioAdapter->SetHostSampleRate ( sample_rate );
- return 0;
- }
+ adapter->fAudioAdapter->PullAndPush(inputBuffer, outputBuffer, frames);
+ return 0;
+}
+
+int JackAudioAdapter::BufferSize(jack_nframes_t buffer_size, void* arg)
+{
+ JackAudioAdapter* adapter = static_cast<JackAudioAdapter*>(arg);
+ adapter->Reset();
+ adapter->fAudioAdapter->SetHostBufferSize(buffer_size);
+ return 0;
+}
-//JackAudioAdapter *********************************************************
+int JackAudioAdapter::SampleRate(jack_nframes_t sample_rate, void* arg)
+{
+ JackAudioAdapter* adapter = static_cast<JackAudioAdapter*>(arg);
+ adapter->Reset();
+ adapter->fAudioAdapter->SetHostSampleRate(sample_rate);
+ return 0;
+}
- JackAudioAdapter::JackAudioAdapter (jack_client_t* jack_client, JackAudioAdapterInterface* audio_io, const JSList* params, bool system)
- :fJackClient(jack_client), fAudioAdapter(audio_io)
- {
- const JSList* node;
- const jack_driver_param_t* param;
- fAutoConnect = false;
+void JackAudioAdapter::Latency(jack_latency_callback_mode_t mode, void* arg)
+{
+ JackAudioAdapter* adapter = static_cast<JackAudioAdapter*>(arg);
- for (node = params; node; node = jack_slist_next(node)) {
- param = (const jack_driver_param_t*) node->data;
- switch (param->character) {
- case 'c':
- fAutoConnect = true;
- break;
- }
+ if (mode == JackCaptureLatency) {
+ for (int i = 0; i < adapter->fAudioAdapter->GetInputs(); i++) {
+ jack_latency_range_t range;
+ range.min = range.max = adapter->fAudioAdapter->GetInputLatency(i);
+ jack_port_set_latency_range(adapter->fCapturePortList[i], JackCaptureLatency, &range);
+ }
+
+ } else {
+ for (int i = 0; i < adapter->fAudioAdapter->GetOutputs(); i++) {
+ jack_latency_range_t range;
+ range.min = range.max = adapter->fAudioAdapter->GetOutputLatency(i);
+ jack_port_set_latency_range(adapter->fPlaybackPortList[i], JackPlaybackLatency, &range);
}
}
+}
- JackAudioAdapter::~JackAudioAdapter()
- {
- // When called, Close has already been used for the client, thus ports are already unregistered.
- delete fAudioAdapter;
+JackAudioAdapter::JackAudioAdapter(jack_client_t* client, JackAudioAdapterInterface* audio_io, const JSList* params)
+ :fClient(client), fAudioAdapter(audio_io)
+{
+ const JSList* node;
+ const jack_driver_param_t* param;
+ fAutoConnect = false;
+
+ for (node = params; node; node = jack_slist_next(node)) {
+ param = (const jack_driver_param_t*)node->data;
+ switch (param->character) {
+ case 'c':
+ fAutoConnect = true;
+ break;
+ }
}
+}
- void JackAudioAdapter::FreePorts()
- {
- for (int i = 0; i < fAudioAdapter->GetInputs(); i++ )
- if ( fCapturePortList[i] )
- jack_port_unregister ( fJackClient, fCapturePortList[i] );
- for (int i = 0; i < fAudioAdapter->GetOutputs(); i++ )
- if ( fPlaybackPortList[i] )
- jack_port_unregister ( fJackClient, fPlaybackPortList[i] );
+JackAudioAdapter::~JackAudioAdapter()
+{
+ // When called, Close has already been used for the client, thus ports are already unregistered.
+ delete fAudioAdapter;
+}
- delete[] fCapturePortList;
- delete[] fPlaybackPortList;
+void JackAudioAdapter::FreePorts()
+{
+ for (int i = 0; i < fAudioAdapter->GetInputs(); i++) {
+ if (fCapturePortList[i]) {
+ jack_port_unregister(fClient, fCapturePortList[i]);
+ }
+ }
+ for (int i = 0; i < fAudioAdapter->GetOutputs(); i++) {
+ if (fPlaybackPortList[i]) {
+ jack_port_unregister(fClient, fPlaybackPortList[i]);
+ }
}
- void JackAudioAdapter::ConnectPorts()
- {
- const char **ports;
+ delete[] fCapturePortList;
+ delete[] fPlaybackPortList;
+}
- ports = jack_get_ports(fJackClient, NULL, NULL, JackPortIsPhysical | JackPortIsInput);
- if (ports != NULL) {
- for (int i = 0; i < fAudioAdapter->GetInputs() && ports[i]; i++) {
- jack_connect(fJackClient, jack_port_name(fCapturePortList[i]), ports[i]);
- }
- free(ports);
- }
+void JackAudioAdapter::ConnectPorts()
+{
+ const char** ports;
- ports = jack_get_ports(fJackClient, NULL, NULL, JackPortIsPhysical | JackPortIsOutput);
- if (ports != NULL) {
- for (int i = 0; i < fAudioAdapter->GetOutputs() && ports[i]; i++) {
- jack_connect(fJackClient, ports[i], jack_port_name(fPlaybackPortList[i]));
- }
- free(ports);
+ ports = jack_get_ports(fClient, NULL, NULL, JackPortIsPhysical | JackPortIsInput);
+ if (ports != NULL) {
+ for (int i = 0; i < fAudioAdapter->GetInputs() && ports[i]; i++) {
+ jack_connect(fClient,jack_port_name(fCapturePortList[i]), ports[i]);
}
+ jack_free(ports);
}
- void JackAudioAdapter::Reset()
- {
- fAudioAdapter->Reset();
+ ports = jack_get_ports(fClient, NULL, NULL, JackPortIsPhysical | JackPortIsOutput);
+ if (ports != NULL) {
+ for (int i = 0; i < fAudioAdapter->GetOutputs() && ports[i]; i++) {
+ jack_connect(fClient, ports[i], jack_port_name(fPlaybackPortList[i]));
+ }
+ jack_free(ports);
}
+}
- int JackAudioAdapter::Open()
- {
- char name[32];
- jack_log("JackAudioAdapter::Open fCaptureChannels %d fPlaybackChannels %d", fAudioAdapter->GetInputs(), fAudioAdapter->GetOutputs());
- fAudioAdapter->Create();
+void JackAudioAdapter::Reset()
+{
+ fAudioAdapter->Reset();
+}
- //jack ports
- fCapturePortList = new jack_port_t*[fAudioAdapter->GetInputs()];
- fPlaybackPortList = new jack_port_t*[fAudioAdapter->GetOutputs()];
+int JackAudioAdapter::Open()
+{
+ char name[32];
+ jack_log("JackAudioAdapter::Open fCaptureChannels %d fPlaybackChannels %d", fAudioAdapter->GetInputs(), fAudioAdapter->GetOutputs());
+ fAudioAdapter->Create();
- for (int i = 0; i < fAudioAdapter->GetInputs(); i++) {
- sprintf(name, "capture_%d", i + 1);
- if ((fCapturePortList[i] = jack_port_register(fJackClient, name, JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0)) == NULL)
- goto fail;
- }
+ //jack ports
+ fCapturePortList = new jack_port_t*[fAudioAdapter->GetInputs()];
+ fPlaybackPortList = new jack_port_t*[fAudioAdapter->GetOutputs()];
- for (int i = 0; i < fAudioAdapter->GetOutputs(); i++) {
- sprintf(name, "playback_%d", i + 1);
- if ((fPlaybackPortList[i] = jack_port_register(fJackClient, name, JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0)) == NULL)
- goto fail;
+ for (int i = 0; i < fAudioAdapter->GetInputs(); i++) {
+ sprintf(name, "capture_%d", i + 1);
+ if ((fCapturePortList[i] = jack_port_register(fClient, name, JACK_DEFAULT_AUDIO_TYPE, CaptureDriverFlags, 0)) == NULL) {
+ goto fail;
}
+ }
- //callbacks and activation
- if (jack_set_process_callback(fJackClient, Process, this) < 0)
- goto fail;
- if (jack_set_buffer_size_callback(fJackClient, BufferSize, this) < 0)
+ for (int i = 0; i < fAudioAdapter->GetOutputs(); i++) {
+ sprintf(name, "playback_%d", i + 1);
+ if ((fPlaybackPortList[i] = jack_port_register(fClient, name, JACK_DEFAULT_AUDIO_TYPE, PlaybackDriverFlags, 0)) == NULL) {
goto fail;
- if (jack_set_sample_rate_callback(fJackClient, SampleRate, this) < 0)
- goto fail;
- if (jack_activate(fJackClient) < 0)
- goto fail;
-
- if (fAutoConnect)
- ConnectPorts();
-
- // Ring buffers are now allocated..
- return fAudioAdapter->Open();
- return 0;
+ }
+ }
- fail:
- FreePorts();
- fAudioAdapter->Destroy();
- return -1;
+ //callbacks and activation
+ if (jack_set_process_callback(fClient, Process, this) < 0) {
+ goto fail;
+ }
+ if (jack_set_buffer_size_callback(fClient, BufferSize, this) < 0) {
+ goto fail;
+ }
+ if (jack_set_sample_rate_callback(fClient, SampleRate, this) < 0) {
+ goto fail;
+ }
+ if (jack_set_latency_callback(fClient, Latency, this) < 0) {
+ goto fail;
+ }
+ if (jack_activate(fClient) < 0) {
+ goto fail;
}
- int JackAudioAdapter::Close()
- {
- fAudioAdapter->Close();
- fAudioAdapter->Destroy();
- return 0;
+ if (fAutoConnect) {
+ ConnectPorts();
}
+ // Ring buffers are now allocated...
+ return fAudioAdapter->Open();
+ return 0;
+
+fail:
+ FreePorts();
+ fAudioAdapter->Destroy();
+ return -1;
+}
+
+int JackAudioAdapter::Close()
+{
+ fAudioAdapter->Close();
+ fAudioAdapter->Destroy();
+ return 0;
+}
+
} //namespace