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* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
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* * |
* * |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005, 2006 Christian Schoenebeck * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
* it under the terms of the GNU General Public License as published by * |
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#include "AudioOutputDeviceJack.h" |
#include "AudioOutputDeviceJack.h" |
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#include "AudioOutputDeviceFactory.h" |
#include "AudioOutputDeviceFactory.h" |
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#if HAVE_JACK |
#include <errno.h> |
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namespace LinuxSampler { |
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REGISTER_AUDIO_OUTPUT_DRIVER(AudioOutputDeviceJack); |
#if HAVE_JACK |
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/* Common parameters for now they'll have to be registered here. */ |
#ifndef HAVE_JACK_CLIENT_NAME_SIZE |
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REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(AudioOutputDeviceJack, ParameterActive); |
#define jack_client_name_size() 33 |
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REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(AudioOutputDeviceJack, ParameterChannels); |
#endif |
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namespace LinuxSampler { |
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/// number of currently existing JACK audio output devices in LinuxSampler |
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static int existingJackDevices = 0; |
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// *************** ParameterName *************** |
// *************** AudioChannelJack::ParameterName *************** |
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// * |
// * |
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AudioOutputDeviceJack::AudioChannelJack::ParameterName::ParameterName(AudioChannelJack* pChannel) : AudioChannel::ParameterName(ToString(pChannel->ChannelNr)) { |
AudioOutputDeviceJack::AudioChannelJack::ParameterName::ParameterName(AudioChannelJack* pChannel) : AudioChannel::ParameterName(ToString(pChannel->ChannelNr)) { |
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} |
} |
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void AudioOutputDeviceJack::AudioChannelJack::ParameterName::OnSetValue(String s) { |
void AudioOutputDeviceJack::AudioChannelJack::ParameterName::OnSetValue(String s) { |
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String name = "LinuxSampler:" + s; |
if (jack_port_set_name(pChannel->hJackPort, s.c_str())) throw AudioOutputException("Failed to rename JACK port"); |
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if (jack_port_set_name(pChannel->hJackPort, name.c_str())) throw AudioOutputException("Failed to rename JACK port"); |
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} |
} |
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// *************** ParameterJackBindings *************** |
// *************** AudioChannelJack::ParameterJackBindings *************** |
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// * |
// * |
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AudioOutputDeviceJack::AudioChannelJack::ParameterJackBindings::ParameterJackBindings(AudioChannelJack* pChannel) : DeviceRuntimeParameterStrings(std::vector<String>()) { |
AudioOutputDeviceJack::AudioChannelJack::ParameterJackBindings::ParameterJackBindings(AudioChannelJack* pChannel) : DeviceRuntimeParameterStrings(std::vector<String>()) { |
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} |
} |
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std::vector<String> AudioOutputDeviceJack::AudioChannelJack::ParameterJackBindings::PossibilitiesAsString() { |
std::vector<String> AudioOutputDeviceJack::AudioChannelJack::ParameterJackBindings::PossibilitiesAsString() { |
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const char** pPortNames = jack_get_ports(pChannel->pDevice->hJackClient, NULL, NULL, 0); |
const char** pPortNames = jack_get_ports(pChannel->pDevice->hJackClient, NULL, NULL, JackPortIsInput); |
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if (!pPortNames) return std::vector<String>(); |
if (!pPortNames) return std::vector<String>(); |
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std::vector<String> result; |
std::vector<String> result; |
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for (int i = 0; pPortNames[i]; i++) result.push_back(pPortNames[i]); |
for (int i = 0; pPortNames[i]; i++) result.push_back(pPortNames[i]); |
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} |
} |
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void AudioOutputDeviceJack::AudioChannelJack::ParameterJackBindings::OnSetValue(std::vector<String> vS) { |
void AudioOutputDeviceJack::AudioChannelJack::ParameterJackBindings::OnSetValue(std::vector<String> vS) { |
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String src_name = "LinuxSampler:" + pChannel->Parameters["NAME"]->Value(); |
String src_name = ((DeviceCreationParameterString*)pChannel->pDevice->Parameters["NAME"])->ValueAsString() + ":" + |
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((DeviceRuntimeParameterString*)pChannel->Parameters["NAME"])->ValueAsString(); |
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// disconnect all current bindings first |
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for (int i = 0; i < Bindings.size(); i++) { |
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String dst_name = Bindings[i]; |
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int res = jack_disconnect(pChannel->pDevice->hJackClient, src_name.c_str(), dst_name.c_str()); |
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} |
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// connect new bindings |
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for (int i = 0; i < vS.size(); i++) { |
for (int i = 0; i < vS.size(); i++) { |
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String dst_name = vS[i]; |
String dst_name = vS[i]; |
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if (jack_connect(pChannel->pDevice->hJackClient, src_name.c_str(), dst_name.c_str())) { |
int res = jack_connect(pChannel->pDevice->hJackClient, src_name.c_str(), dst_name.c_str()); |
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throw AudioOutputException("Jack: Cannot connect to port '" + dst_name + "'"); |
if (res == EEXIST) throw AudioOutputException("Jack: Connection to port '" + dst_name + "' already established"); |
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} |
else if (res) throw AudioOutputException("Jack: Cannot connect port '" + src_name + "' to port '" + dst_name + "'"); |
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} |
} |
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// remember bindings |
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Bindings = vS; |
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} |
} |
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String AudioOutputDeviceJack::AudioChannelJack::ParameterJackBindings::Name() { |
String AudioOutputDeviceJack::AudioChannelJack::ParameterJackBindings::Name() { |
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AudioOutputDeviceJack::AudioChannelJack::AudioChannelJack(uint ChannelNr, AudioOutputDeviceJack* pDevice) throw (AudioOutputException) : AudioChannel(ChannelNr, CreateJackPort(ChannelNr, pDevice), pDevice->uiMaxSamplesPerCycle) { |
AudioOutputDeviceJack::AudioChannelJack::AudioChannelJack(uint ChannelNr, AudioOutputDeviceJack* pDevice) throw (AudioOutputException) : AudioChannel(ChannelNr, CreateJackPort(ChannelNr, pDevice), pDevice->uiMaxSamplesPerCycle) { |
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this->pDevice = pDevice; |
this->pDevice = pDevice; |
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this->ChannelNr = ChannelNr; |
this->ChannelNr = ChannelNr; |
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delete Parameters["NAME"]; |
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Parameters["NAME"] = new ParameterName(this); |
Parameters["NAME"] = new ParameterName(this); |
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Parameters["JACK_BINDINGS"] = new ParameterJackBindings(this); |
Parameters["JACK_BINDINGS"] = new ParameterJackBindings(this); |
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} |
} |
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} |
} |
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float* AudioOutputDeviceJack::AudioChannelJack::CreateJackPort(uint ChannelNr, AudioOutputDeviceJack* pDevice) throw (AudioOutputException) { |
float* AudioOutputDeviceJack::AudioChannelJack::CreateJackPort(uint ChannelNr, AudioOutputDeviceJack* pDevice) throw (AudioOutputException) { |
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String port_id = "LinuxSampler:" + ToString(ChannelNr); |
String port_id = ToString(ChannelNr); |
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hJackPort = jack_port_register(pDevice->hJackClient, port_id.c_str(), JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0); |
hJackPort = jack_port_register(pDevice->hJackClient, port_id.c_str(), JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0); |
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if (!hJackPort) throw AudioOutputException("Jack: Cannot register Jack output port."); |
if (!hJackPort) throw AudioOutputException("Jack: Cannot register Jack output port."); |
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return (float*) jack_port_get_buffer(hJackPort, pDevice->uiMaxSamplesPerCycle); |
return (float*) jack_port_get_buffer(hJackPort, pDevice->uiMaxSamplesPerCycle); |
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// *************** AudioOutputDeviceJack::ParameterName *************** |
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// * |
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AudioOutputDeviceJack::ParameterName::ParameterName() : DeviceCreationParameterString() { |
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InitWithDefault(); // use default name |
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} |
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AudioOutputDeviceJack::ParameterName::ParameterName(String s) throw (Exception) : DeviceCreationParameterString(s) { |
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} |
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String AudioOutputDeviceJack::ParameterName::Description() { |
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return "Arbitrary JACK client name"; |
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} |
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bool AudioOutputDeviceJack::ParameterName::Fix() { |
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return true; |
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} |
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bool AudioOutputDeviceJack::ParameterName::Mandatory() { |
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return false; |
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} |
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std::map<String,DeviceCreationParameter*> AudioOutputDeviceJack::ParameterName::DependsAsParameters() { |
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return std::map<String,DeviceCreationParameter*>(); // no dependencies |
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} |
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std::vector<String> AudioOutputDeviceJack::ParameterName::PossibilitiesAsString(std::map<String,String> Parameters) { |
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return std::vector<String>(); |
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} |
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optional<String> AudioOutputDeviceJack::ParameterName::DefaultAsString(std::map<String,String> Parameters) { |
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return (existingJackDevices) ? "LinuxSampler" + ToString(existingJackDevices) : "LinuxSampler"; |
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} |
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void AudioOutputDeviceJack::ParameterName::OnSetValue(String s) throw (Exception) { |
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// not possible, as parameter is fix |
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} |
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String AudioOutputDeviceJack::ParameterName::Name() { |
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return "NAME"; |
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} |
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// *************** AudioOutputDeviceJack *************** |
// *************** AudioOutputDeviceJack *************** |
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// * |
// * |
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* @see AcquireChannels() |
* @see AcquireChannels() |
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*/ |
*/ |
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AudioOutputDeviceJack::AudioOutputDeviceJack(std::map<String,DeviceCreationParameter*> Parameters) : AudioOutputDevice(Parameters) { |
AudioOutputDeviceJack::AudioOutputDeviceJack(std::map<String,DeviceCreationParameter*> Parameters) : AudioOutputDevice(Parameters) { |
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if ((hJackClient = jack_client_new("LinuxSampler")) == 0) |
if (((DeviceCreationParameterString*)Parameters["NAME"])->ValueAsString().size() >= jack_client_name_size()) |
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throw Exception("JACK client name too long"); |
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if ((hJackClient = jack_client_new(((DeviceCreationParameterString*)Parameters["NAME"])->ValueAsString().c_str())) == 0) |
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throw AudioOutputException("Seems Jack server not running."); |
throw AudioOutputException("Seems Jack server not running."); |
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existingJackDevices++; |
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jack_set_process_callback(hJackClient, __libjack_process_callback, this); |
jack_set_process_callback(hJackClient, __libjack_process_callback, this); |
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jack_on_shutdown(hJackClient, __libjack_shutdown_callback, this); |
jack_on_shutdown(hJackClient, __libjack_shutdown_callback, this); |
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if (jack_activate(hJackClient)) |
if (jack_activate(hJackClient)) |
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// create audio channels |
// create audio channels |
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AcquireChannels(((DeviceCreationParameterInt*)Parameters["CHANNELS"])->ValueAsInt()); |
AcquireChannels(((DeviceCreationParameterInt*)Parameters["CHANNELS"])->ValueAsInt()); |
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// finally activate device if desired |
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if (((DeviceCreationParameterBool*)Parameters["ACTIVE"])->ValueAsBool()) Play(); |
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} |
} |
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AudioOutputDeviceJack::~AudioOutputDeviceJack() { |
AudioOutputDeviceJack::~AudioOutputDeviceJack() { |
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// destroy jack client |
// destroy jack client |
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jack_client_close(hJackClient); |
jack_client_close(hJackClient); |
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existingJackDevices--; |
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} |
} |
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/** |
/** |
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} |
} |
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bool AudioOutputDeviceJack::IsPlaying() { |
bool AudioOutputDeviceJack::IsPlaying() { |
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csIsPlaying.GetUnsafe(); |
return csIsPlaying.GetUnsafe(); |
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} |
} |
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void AudioOutputDeviceJack::Stop() { |
void AudioOutputDeviceJack::Stop() { |
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} |
} |
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String AudioOutputDeviceJack::Version() { |
String AudioOutputDeviceJack::Version() { |
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String s = "$Revision: 1.11 $"; |
String s = "$Revision: 1.21 $"; |
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return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword |
return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword |
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} |
} |
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