mirror of
https://github.com/clangen/musikcube.git
synced 2024-10-02 04:52:32 +00:00
Added a PulseAudio output plugin for Linux.
This commit is contained in:
parent
487502fd1f
commit
3e6f66d986
@ -87,6 +87,7 @@ add_dependencies(taglibreader taglib)
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if (CMAKE_SYSTEM_NAME MATCHES "Linux")
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add_subdirectory(src/contrib/alsaout)
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add_subdirectory(src/contrib/pulseout)
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else (CMAKE_SYSTEM_NAME MATCHES "Linux")
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# macos
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add_subdirectory(src/contrib/coreaudioout)
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@ -107,6 +108,7 @@ if (CMAKE_SYSTEM_NAME MATCHES "Linux")
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install(
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FILES
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bin/plugins/libalsaout.so
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bin/plugins/libpulseout.so
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bin/plugins/libflacdecoder.so
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bin/plugins/libm4adecoder.so
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bin/plugins/libmpg123decoder.so
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12
src/contrib/pulseout/CMakeLists.txt
Executable file
12
src/contrib/pulseout/CMakeLists.txt
Executable file
@ -0,0 +1,12 @@
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set (pulseout_SOURCES
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pulseout_plugin.cpp
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pulse_blocking_stream.c
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PulseOut.cpp
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)
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add_definitions(
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-D_DEBUG
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)
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add_library( pulseout SHARED ${pulseout_SOURCES} )
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target_link_libraries( pulseout ${musikbox_LINK_LIBS} pulse)
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183
src/contrib/pulseout/PulseOut.cpp
Executable file
183
src/contrib/pulseout/PulseOut.cpp
Executable file
@ -0,0 +1,183 @@
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//////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2007-2016 musikcube team
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// * Neither the name of the author nor the names of other contributors may
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// be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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//////////////////////////////////////////////////////////////////////////////
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#include "PulseOut.h"
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#include <pulse/volume.h>
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#include <math.h>
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using namespace musik::core::sdk;
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typedef std::unique_lock<std::recursive_mutex> Lock;
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PulseOut::PulseOut() {
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std::cerr << "PulseOut::PulseOut() called" << std::endl;
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this->audioConnection = nullptr;
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this->state = StateStopped;
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this->volume = 1.0f;
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this->channels = 0;
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this->rate = 0;
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}
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PulseOut::~PulseOut() {
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std::cerr << "PulseOut: destructor\n";
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this->CloseDevice();
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}
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void PulseOut::CloseDevice() {
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std::cerr << "PulseOut: closing device\n";
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Lock lock(this->stateMutex);
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if (this->audioConnection) {
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int error = 0;
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pa_blocking_flush(this->audioConnection, &error);
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pa_blocking_free(this->audioConnection);
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this->audioConnection = nullptr;
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this->rate = 0;
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this->channels = 0;
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}
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}
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void PulseOut::OpenDevice(musik::core::sdk::IBuffer* buffer) {
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if (!this->audioConnection ||
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this->rate != buffer->SampleRate() ||
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this->channels != buffer->Channels())
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{
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this->CloseDevice();
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pa_sample_spec spec;
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spec.format = PA_SAMPLE_FLOAT32LE;
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spec.channels = buffer->Channels();
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spec.rate = buffer->SampleRate();
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std::cerr << "PulseOut: opening device\n";
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this->audioConnection = pa_blocking_new(
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nullptr,
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"musikbox",
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PA_STREAM_PLAYBACK,
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nullptr,
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"music",
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&spec,
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nullptr,
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nullptr,
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0);
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if (this->audioConnection) {
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this->SetVolume(this->volume);
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this->rate = buffer->SampleRate();
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this->channels = buffer->Channels();
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this->state = StatePlaying;
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}
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}
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}
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void PulseOut::Destroy() {
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std::cerr << "PulseOut: destroy\n";
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delete this;
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}
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void PulseOut::Stop() {
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std::cerr << "PulseOut: stop\n";
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Lock lock(this->stateMutex);
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if (this->audioConnection) {
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pa_blocking_flush(this->audioConnection, 0);
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this->state = StateStopped;
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}
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}
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void PulseOut::Pause() {
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std::cerr << "PulseOut: pause\n";
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Lock lock(this->stateMutex);
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if (this->audioConnection) {
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pa_blocking_flush(this->audioConnection, 0);
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this->state = StatePaused;
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}
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}
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void PulseOut::Resume() {
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std::cerr << "PulseOut: resume\n";
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Lock lock(this->stateMutex);
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if (this->audioConnection) {
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this->state = StatePlaying;
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}
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}
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void PulseOut::SetVolume(double volume) {
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std::cerr << "PulseOut: volume\n";
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Lock lock(this->stateMutex);
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if (this->audioConnection) {
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this->volume = volume;
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int normalized = (int) round((double) PA_VOLUME_NORM * volume);
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pa_blocking_set_volume(this->audioConnection, normalized, 0);
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}
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}
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bool PulseOut::Play(IBuffer *buffer, IBufferProvider* provider) {
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int error = 0;
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{
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Lock lock(this->stateMutex);
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this->OpenDevice(buffer);
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if (!this->audioConnection || this->state != StatePlaying) {
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return false;
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}
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pa_blocking_write(
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this->audioConnection,
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buffer->BufferPointer(),
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buffer->Samples() * sizeof(float),
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&error);
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}
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provider->OnBufferProcessed(buffer);
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return true;
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}
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double PulseOut::Latency() {
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Lock lock(this->stateMutex);
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if (!this->audioConnection) {
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return 0.0;
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}
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int error = 0;
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unsigned long long latency = pa_blocking_get_latency(this->audioConnection, &error);
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return (double) latency / 1000000.0; /* microseconds to seconds */
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}
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73
src/contrib/pulseout/PulseOut.h
Executable file
73
src/contrib/pulseout/PulseOut.h
Executable file
@ -0,0 +1,73 @@
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//////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2007-2016 musikcube team
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// * Neither the name of the author nor the names of other contributors may
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// be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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//////////////////////////////////////////////////////////////////////////////
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#pragma once
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#include "pch.h"
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#include <core/sdk/IOutput.h>
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#include <mutex>
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#include "pulse_blocking_stream.h"
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class PulseOut : public musik::core::sdk::IOutput {
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public:
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PulseOut();
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virtual ~PulseOut();
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virtual void Destroy();
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virtual void Pause();
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virtual void Resume();
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virtual void SetVolume(double volume);
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virtual void Stop();
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virtual double Latency();
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virtual bool Play(
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musik::core::sdk::IBuffer *buffer,
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musik::core::sdk::IBufferProvider *provider);
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private:
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enum State {
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StateStopped,
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StatePaused,
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StatePlaying
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};
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void OpenDevice(musik::core::sdk::IBuffer *buffer);
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void CloseDevice();
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std::recursive_mutex stateMutex;
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pa_blocking* audioConnection;
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State state;
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int channels, rate;
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double volume;
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};
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41
src/contrib/pulseout/pch.h
Executable file
41
src/contrib/pulseout/pch.h
Executable file
@ -0,0 +1,41 @@
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//////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2007-2016 musikcube team
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// * Neither the name of the author nor the names of other contributors may
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// be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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//////////////////////////////////////////////////////////////////////////////
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// Precompiled headers
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#pragma once
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#include <core/config.h>
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#include <iostream>
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#include <alsa/asoundlib.h>
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553
src/contrib/pulseout/pulse_blocking_stream.c
Normal file
553
src/contrib/pulseout/pulse_blocking_stream.c
Normal file
@ -0,0 +1,553 @@
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/***
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This file is part of PulseAudio.
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Copyright 2004-2006 Lennart Poettering
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2.1 of the License,
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or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <pulse/pulseaudio.h>
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#include <pulse/thread-mainloop.h>
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#include <pulse/xmalloc.h>
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#include "pulse_blocking_stream.h"
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struct pa_blocking {
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pa_threaded_mainloop *mainloop;
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pa_context *context;
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pa_stream *stream;
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pa_stream_direction_t direction;
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const void *read_data;
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size_t read_index, read_length;
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size_t channels;
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int operation_success;
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};
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#define CHECK_VALIDITY_RETURN_ANY(rerror, expression, error, ret) \
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do { \
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if (!(expression)) { \
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if (rerror) \
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*(rerror) = error; \
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return (ret); \
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} \
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} while(false);
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#define CHECK_SUCCESS_GOTO(p, rerror, expression, label) \
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do { \
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if (!(expression)) { \
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if (rerror) \
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*(rerror) = pa_context_errno((p)->context); \
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goto label; \
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} \
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} while(false);
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#define CHECK_DEAD_GOTO(p, rerror, label) \
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do { \
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if (!(p)->context || !PA_CONTEXT_IS_GOOD(pa_context_get_state((p)->context)) || \
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!(p)->stream || !PA_STREAM_IS_GOOD(pa_stream_get_state((p)->stream))) { \
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if (((p)->context && pa_context_get_state((p)->context) == PA_CONTEXT_FAILED) || \
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((p)->stream && pa_stream_get_state((p)->stream) == PA_STREAM_FAILED)) { \
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if (rerror) \
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*(rerror) = pa_context_errno((p)->context); \
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} else \
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if (rerror) \
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*(rerror) = PA_ERR_BADSTATE; \
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goto label; \
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} \
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} while(false);
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static void context_state_cb(pa_context *c, void *userdata) {
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pa_blocking *p = userdata;
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assert(c);
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assert(p);
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switch (pa_context_get_state(c)) {
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case PA_CONTEXT_READY:
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case PA_CONTEXT_TERMINATED:
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case PA_CONTEXT_FAILED:
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pa_threaded_mainloop_signal(p->mainloop, 0);
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break;
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case PA_CONTEXT_UNCONNECTED:
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case PA_CONTEXT_CONNECTING:
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case PA_CONTEXT_AUTHORIZING:
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case PA_CONTEXT_SETTING_NAME:
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break;
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}
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}
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static void success_context_cb(pa_context *c, int success, void *userdata) {
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pa_blocking *p = userdata;
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assert(c);
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assert(p);
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p->operation_success = success;
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pa_threaded_mainloop_signal(p->mainloop, 0);
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}
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static void stream_state_cb(pa_stream *s, void * userdata) {
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pa_blocking *p = userdata;
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assert(s);
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assert(p);
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switch (pa_stream_get_state(s)) {
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case PA_STREAM_READY:
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case PA_STREAM_FAILED:
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case PA_STREAM_TERMINATED:
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pa_threaded_mainloop_signal(p->mainloop, 0);
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break;
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case PA_STREAM_UNCONNECTED:
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case PA_STREAM_CREATING:
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break;
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}
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}
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|
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static void stream_request_cb(pa_stream *s, size_t length, void *userdata) {
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pa_blocking *p = userdata;
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assert(p);
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pa_threaded_mainloop_signal(p->mainloop, 0);
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}
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|
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static void stream_latency_update_cb(pa_stream *s, void *userdata) {
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pa_blocking *p = userdata;
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assert(p);
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|
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pa_threaded_mainloop_signal(p->mainloop, 0);
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}
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|
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pa_blocking* pa_blocking_new(
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const char *server,
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const char *name,
|
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pa_stream_direction_t dir,
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const char *dev,
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const char *stream_name,
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const pa_sample_spec *ss,
|
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const pa_channel_map *map,
|
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const pa_buffer_attr *attr,
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int *rerror) {
|
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|
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pa_blocking *p;
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int error = PA_ERR_INTERNAL, r;
|
||||
|
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CHECK_VALIDITY_RETURN_ANY(rerror, !server || *server, PA_ERR_INVALID, NULL);
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CHECK_VALIDITY_RETURN_ANY(rerror, dir == PA_STREAM_PLAYBACK || dir == PA_STREAM_RECORD, PA_ERR_INVALID, NULL);
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CHECK_VALIDITY_RETURN_ANY(rerror, !dev || *dev, PA_ERR_INVALID, NULL);
|
||||
CHECK_VALIDITY_RETURN_ANY(rerror, ss && pa_sample_spec_valid(ss), PA_ERR_INVALID, NULL);
|
||||
CHECK_VALIDITY_RETURN_ANY(rerror, !map || (pa_channel_map_valid(map) && map->channels == ss->channels), PA_ERR_INVALID, NULL)
|
||||
|
||||
p = pa_xnew0(pa_blocking, 1);
|
||||
p->direction = dir;
|
||||
p->channels = ss->channels;
|
||||
|
||||
if (!(p->mainloop = pa_threaded_mainloop_new()))
|
||||
goto fail;
|
||||
|
||||
if (!(p->context = pa_context_new(pa_threaded_mainloop_get_api(p->mainloop), name)))
|
||||
goto fail;
|
||||
|
||||
pa_context_set_state_callback(p->context, context_state_cb, p);
|
||||
|
||||
if (pa_context_connect(p->context, server, 0, NULL) < 0) {
|
||||
error = pa_context_errno(p->context);
|
||||
goto fail;
|
||||
}
|
||||
|
||||
pa_threaded_mainloop_lock(p->mainloop);
|
||||
|
||||
if (pa_threaded_mainloop_start(p->mainloop) < 0)
|
||||
goto unlock_and_fail;
|
||||
|
||||
for (;;) {
|
||||
pa_context_state_t state;
|
||||
|
||||
state = pa_context_get_state(p->context);
|
||||
|
||||
if (state == PA_CONTEXT_READY)
|
||||
break;
|
||||
|
||||
if (!PA_CONTEXT_IS_GOOD(state)) {
|
||||
error = pa_context_errno(p->context);
|
||||
goto unlock_and_fail;
|
||||
}
|
||||
|
||||
/* Wait until the context is ready */
|
||||
pa_threaded_mainloop_wait(p->mainloop);
|
||||
}
|
||||
|
||||
if (!(p->stream = pa_stream_new(p->context, stream_name, ss, map))) {
|
||||
error = pa_context_errno(p->context);
|
||||
goto unlock_and_fail;
|
||||
}
|
||||
|
||||
pa_stream_set_state_callback(p->stream, stream_state_cb, p);
|
||||
pa_stream_set_read_callback(p->stream, stream_request_cb, p);
|
||||
pa_stream_set_write_callback(p->stream, stream_request_cb, p);
|
||||
pa_stream_set_latency_update_callback(p->stream, stream_latency_update_cb, p);
|
||||
|
||||
if (dir == PA_STREAM_PLAYBACK)
|
||||
r = pa_stream_connect_playback(p->stream, dev, attr,
|
||||
PA_STREAM_INTERPOLATE_TIMING
|
||||
|PA_STREAM_ADJUST_LATENCY
|
||||
|PA_STREAM_AUTO_TIMING_UPDATE, NULL, NULL);
|
||||
else
|
||||
r = pa_stream_connect_record(p->stream, dev, attr,
|
||||
PA_STREAM_INTERPOLATE_TIMING
|
||||
|PA_STREAM_ADJUST_LATENCY
|
||||
|PA_STREAM_AUTO_TIMING_UPDATE);
|
||||
|
||||
if (r < 0) {
|
||||
error = pa_context_errno(p->context);
|
||||
goto unlock_and_fail;
|
||||
}
|
||||
|
||||
for (;;) {
|
||||
pa_stream_state_t state;
|
||||
|
||||
state = pa_stream_get_state(p->stream);
|
||||
|
||||
if (state == PA_STREAM_READY)
|
||||
break;
|
||||
|
||||
if (!PA_STREAM_IS_GOOD(state)) {
|
||||
error = pa_context_errno(p->context);
|
||||
goto unlock_and_fail;
|
||||
}
|
||||
|
||||
/* Wait until the stream is ready */
|
||||
pa_threaded_mainloop_wait(p->mainloop);
|
||||
}
|
||||
|
||||
pa_threaded_mainloop_unlock(p->mainloop);
|
||||
|
||||
return p;
|
||||
|
||||
unlock_and_fail:
|
||||
pa_threaded_mainloop_unlock(p->mainloop);
|
||||
|
||||
fail:
|
||||
if (rerror)
|
||||
*rerror = error;
|
||||
pa_blocking_free(p);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void pa_blocking_free(pa_blocking *s) {
|
||||
assert(s);
|
||||
|
||||
if (s->mainloop)
|
||||
pa_threaded_mainloop_stop(s->mainloop);
|
||||
|
||||
if (s->stream)
|
||||
pa_stream_unref(s->stream);
|
||||
|
||||
if (s->context) {
|
||||
pa_context_disconnect(s->context);
|
||||
pa_context_unref(s->context);
|
||||
}
|
||||
|
||||
if (s->mainloop)
|
||||
pa_threaded_mainloop_free(s->mainloop);
|
||||
|
||||
pa_xfree(s);
|
||||
}
|
||||
|
||||
int pa_blocking_write(pa_blocking *p, const void*data, size_t length, int *rerror) {
|
||||
assert(p);
|
||||
|
||||
CHECK_VALIDITY_RETURN_ANY(rerror, p->direction == PA_STREAM_PLAYBACK, PA_ERR_BADSTATE, -1);
|
||||
CHECK_VALIDITY_RETURN_ANY(rerror, data, PA_ERR_INVALID, -1);
|
||||
CHECK_VALIDITY_RETURN_ANY(rerror, length > 0, PA_ERR_INVALID, -1);
|
||||
|
||||
pa_threaded_mainloop_lock(p->mainloop);
|
||||
|
||||
CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);
|
||||
|
||||
while (length > 0) {
|
||||
size_t l;
|
||||
int r;
|
||||
|
||||
while (!(l = pa_stream_writable_size(p->stream))) {
|
||||
pa_threaded_mainloop_wait(p->mainloop);
|
||||
CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);
|
||||
}
|
||||
|
||||
CHECK_SUCCESS_GOTO(p, rerror, l != (size_t) -1, unlock_and_fail);
|
||||
|
||||
if (l > length)
|
||||
l = length;
|
||||
|
||||
r = pa_stream_write(p->stream, data, l, NULL, 0LL, PA_SEEK_RELATIVE);
|
||||
CHECK_SUCCESS_GOTO(p, rerror, r >= 0, unlock_and_fail);
|
||||
|
||||
data = (const uint8_t*) data + l;
|
||||
length -= l;
|
||||
}
|
||||
|
||||
pa_threaded_mainloop_unlock(p->mainloop);
|
||||
return 0;
|
||||
|
||||
unlock_and_fail:
|
||||
pa_threaded_mainloop_unlock(p->mainloop);
|
||||
return -1;
|
||||
}
|
||||
|
||||
int pa_blocking_read(pa_blocking *p, void*data, size_t length, int *rerror) {
|
||||
assert(p);
|
||||
|
||||
CHECK_VALIDITY_RETURN_ANY(rerror, p->direction == PA_STREAM_RECORD, PA_ERR_BADSTATE, -1);
|
||||
CHECK_VALIDITY_RETURN_ANY(rerror, data, PA_ERR_INVALID, -1);
|
||||
CHECK_VALIDITY_RETURN_ANY(rerror, length > 0, PA_ERR_INVALID, -1);
|
||||
|
||||
pa_threaded_mainloop_lock(p->mainloop);
|
||||
|
||||
CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);
|
||||
|
||||
while (length > 0) {
|
||||
size_t l;
|
||||
|
||||
while (!p->read_data) {
|
||||
int r;
|
||||
|
||||
r = pa_stream_peek(p->stream, &p->read_data, &p->read_length);
|
||||
CHECK_SUCCESS_GOTO(p, rerror, r == 0, unlock_and_fail);
|
||||
|
||||
if (p->read_length <= 0) {
|
||||
pa_threaded_mainloop_wait(p->mainloop);
|
||||
CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);
|
||||
} else if (!p->read_data) {
|
||||
/* There's a hole in the stream, skip it. We could generate
|
||||
* silence, but that wouldn't work for compressed streams. */
|
||||
r = pa_stream_drop(p->stream);
|
||||
CHECK_SUCCESS_GOTO(p, rerror, r == 0, unlock_and_fail);
|
||||
} else
|
||||
p->read_index = 0;
|
||||
}
|
||||
|
||||
l = p->read_length < length ? p->read_length : length;
|
||||
memcpy(data, (const uint8_t*) p->read_data+p->read_index, l);
|
||||
|
||||
data = (uint8_t*) data + l;
|
||||
length -= l;
|
||||
|
||||
p->read_index += l;
|
||||
p->read_length -= l;
|
||||
|
||||
if (!p->read_length) {
|
||||
int r;
|
||||
|
||||
r = pa_stream_drop(p->stream);
|
||||
p->read_data = NULL;
|
||||
p->read_length = 0;
|
||||
p->read_index = 0;
|
||||
|
||||
CHECK_SUCCESS_GOTO(p, rerror, r == 0, unlock_and_fail);
|
||||
}
|
||||
}
|
||||
|
||||
pa_threaded_mainloop_unlock(p->mainloop);
|
||||
return 0;
|
||||
|
||||
unlock_and_fail:
|
||||
pa_threaded_mainloop_unlock(p->mainloop);
|
||||
return -1;
|
||||
}
|
||||
|
||||
static void success_cb(pa_stream *s, int success, void *userdata) {
|
||||
pa_blocking *p = userdata;
|
||||
|
||||
assert(s);
|
||||
assert(p);
|
||||
|
||||
p->operation_success = success;
|
||||
pa_threaded_mainloop_signal(p->mainloop, 0);
|
||||
}
|
||||
|
||||
int pa_blocking_drain(pa_blocking *p, int *rerror) {
|
||||
pa_operation *o = NULL;
|
||||
|
||||
assert(p);
|
||||
|
||||
CHECK_VALIDITY_RETURN_ANY(rerror, p->direction == PA_STREAM_PLAYBACK, PA_ERR_BADSTATE, -1);
|
||||
|
||||
pa_threaded_mainloop_lock(p->mainloop);
|
||||
CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);
|
||||
|
||||
o = pa_stream_drain(p->stream, success_cb, p);
|
||||
CHECK_SUCCESS_GOTO(p, rerror, o, unlock_and_fail);
|
||||
|
||||
p->operation_success = 0;
|
||||
while (pa_operation_get_state(o) == PA_OPERATION_RUNNING) {
|
||||
pa_threaded_mainloop_wait(p->mainloop);
|
||||
CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);
|
||||
}
|
||||
CHECK_SUCCESS_GOTO(p, rerror, p->operation_success, unlock_and_fail);
|
||||
|
||||
pa_operation_unref(o);
|
||||
pa_threaded_mainloop_unlock(p->mainloop);
|
||||
|
||||
return 0;
|
||||
|
||||
unlock_and_fail:
|
||||
|
||||
if (o) {
|
||||
pa_operation_cancel(o);
|
||||
pa_operation_unref(o);
|
||||
}
|
||||
|
||||
pa_threaded_mainloop_unlock(p->mainloop);
|
||||
return -1;
|
||||
}
|
||||
|
||||
int pa_blocking_flush(pa_blocking *p, int *rerror) {
|
||||
pa_operation *o = NULL;
|
||||
|
||||
assert(p);
|
||||
|
||||
pa_threaded_mainloop_lock(p->mainloop);
|
||||
CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);
|
||||
|
||||
o = pa_stream_flush(p->stream, success_cb, p);
|
||||
CHECK_SUCCESS_GOTO(p, rerror, o, unlock_and_fail);
|
||||
|
||||
p->operation_success = 0;
|
||||
while (pa_operation_get_state(o) == PA_OPERATION_RUNNING) {
|
||||
pa_threaded_mainloop_wait(p->mainloop);
|
||||
CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);
|
||||
}
|
||||
CHECK_SUCCESS_GOTO(p, rerror, p->operation_success, unlock_and_fail);
|
||||
|
||||
pa_operation_unref(o);
|
||||
pa_threaded_mainloop_unlock(p->mainloop);
|
||||
|
||||
return 0;
|
||||
|
||||
unlock_and_fail:
|
||||
|
||||
if (o) {
|
||||
pa_operation_cancel(o);
|
||||
pa_operation_unref(o);
|
||||
}
|
||||
|
||||
pa_threaded_mainloop_unlock(p->mainloop);
|
||||
return -1;
|
||||
}
|
||||
|
||||
pa_usec_t pa_blocking_get_latency(pa_blocking *p, int *rerror) {
|
||||
pa_usec_t t;
|
||||
|
||||
assert(p);
|
||||
|
||||
pa_threaded_mainloop_lock(p->mainloop);
|
||||
|
||||
for (;;) {
|
||||
int negative;
|
||||
|
||||
CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);
|
||||
|
||||
if (pa_stream_get_latency(p->stream, &t, &negative) >= 0) {
|
||||
pa_usec_t extra = 0;
|
||||
|
||||
if (p->direction == PA_STREAM_RECORD)
|
||||
extra = pa_bytes_to_usec(p->read_length, pa_stream_get_sample_spec(p->stream));
|
||||
|
||||
if (negative) {
|
||||
if (extra > t)
|
||||
t = extra - t;
|
||||
else
|
||||
t = 0;
|
||||
} else
|
||||
t += extra;
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
CHECK_SUCCESS_GOTO(p, rerror, pa_context_errno(p->context) == PA_ERR_NODATA, unlock_and_fail);
|
||||
|
||||
/* Wait until latency data is available again */
|
||||
pa_threaded_mainloop_wait(p->mainloop);
|
||||
}
|
||||
|
||||
pa_threaded_mainloop_unlock(p->mainloop);
|
||||
|
||||
return t;
|
||||
|
||||
unlock_and_fail:
|
||||
|
||||
pa_threaded_mainloop_unlock(p->mainloop);
|
||||
return (pa_usec_t) -1;
|
||||
}
|
||||
|
||||
int pa_blocking_set_volume(pa_blocking *p, int volume, int *rerror) {
|
||||
pa_operation *o = NULL;
|
||||
pa_stream *s = NULL;
|
||||
uint32_t idx;
|
||||
pa_cvolume cv;
|
||||
pa_volume_t v;
|
||||
|
||||
assert(p);
|
||||
|
||||
CHECK_VALIDITY_RETURN_ANY(rerror, p->direction == PA_STREAM_PLAYBACK, PA_ERR_BADSTATE, -1);
|
||||
CHECK_VALIDITY_RETURN_ANY(rerror, volume >= 0, PA_ERR_INVALID, -1);
|
||||
CHECK_VALIDITY_RETURN_ANY(rerror, volume <= 65535, PA_ERR_INVALID, -1);
|
||||
|
||||
pa_threaded_mainloop_lock(p->mainloop);
|
||||
CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);
|
||||
|
||||
CHECK_SUCCESS_GOTO(p, rerror, ((idx = pa_stream_get_index (p->stream)) != PA_INVALID_INDEX), unlock_and_fail);
|
||||
|
||||
s = p->stream;
|
||||
assert(s);
|
||||
pa_cvolume_set(&cv, p->channels, volume);
|
||||
|
||||
o = pa_context_set_sink_input_volume (p->context, idx, &cv, success_context_cb, p);
|
||||
CHECK_SUCCESS_GOTO(p, rerror, o, unlock_and_fail);
|
||||
|
||||
p->operation_success = 0;
|
||||
while (pa_operation_get_state(o) == PA_OPERATION_RUNNING) {
|
||||
pa_threaded_mainloop_wait(p->mainloop);
|
||||
CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);
|
||||
}
|
||||
CHECK_SUCCESS_GOTO(p, rerror, p->operation_success, unlock_and_fail);
|
||||
|
||||
pa_operation_unref(o);
|
||||
pa_threaded_mainloop_unlock(p->mainloop);
|
||||
|
||||
return 0;
|
||||
|
||||
unlock_and_fail:
|
||||
|
||||
if (o) {
|
||||
pa_operation_cancel(o);
|
||||
pa_operation_unref(o);
|
||||
}
|
||||
|
||||
pa_threaded_mainloop_unlock(p->mainloop);
|
||||
return -1;
|
||||
}
|
82
src/contrib/pulseout/pulse_blocking_stream.h
Normal file
82
src/contrib/pulseout/pulse_blocking_stream.h
Normal file
@ -0,0 +1,82 @@
|
||||
/***
|
||||
This file is part of PulseAudio.
|
||||
|
||||
Copyright 2004-2006 Lennart Poettering
|
||||
Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
|
||||
|
||||
PulseAudio is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU Lesser General Public License as published
|
||||
by the Free Software Foundation; either version 2.1 of the License,
|
||||
or (at your option) any later version.
|
||||
|
||||
PulseAudio is distributed in the hope that it will be useful, but
|
||||
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public License
|
||||
along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
|
||||
***/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <stdbool.h>
|
||||
|
||||
#include <pulse/sample.h>
|
||||
#include <pulse/channelmap.h>
|
||||
#include <pulse/def.h>
|
||||
#include <pulse/cdecl.h>
|
||||
#include <pulse/version.h>
|
||||
|
||||
PA_C_DECL_BEGIN
|
||||
|
||||
/** \struct pa_blocking
|
||||
* An opaque simple connection object */
|
||||
typedef struct pa_blocking pa_blocking;
|
||||
|
||||
/** Create a new connection to the server. */
|
||||
pa_blocking* pa_blocking_new(
|
||||
const char *server, /**< Server name, or NULL for default */
|
||||
const char *name, /**< A descriptive name for this client (application name, ...) */
|
||||
pa_stream_direction_t dir, /**< Open this stream for recording or playback? */
|
||||
const char *dev, /**< Sink (resp. source) name, or NULL for default */
|
||||
const char *stream_name, /**< A descriptive name for this stream (application name, song title, ...) */
|
||||
const pa_sample_spec *ss, /**< The sample type to use */
|
||||
const pa_channel_map *map, /**< The channel map to use, or NULL for default */
|
||||
const pa_buffer_attr *attr, /**< Buffering attributes, or NULL for default */
|
||||
int *error /**< A pointer where the error code is stored when the routine returns NULL. It is OK to pass NULL here. */
|
||||
);
|
||||
|
||||
/** Close and free the connection to the server. The connection object becomes invalid when this is called. */
|
||||
void pa_blocking_free(pa_blocking *s);
|
||||
|
||||
/** Write some data to the server. */
|
||||
int pa_blocking_write(pa_blocking *s, const void *data, size_t bytes, int *error);
|
||||
|
||||
/** Wait until all data already written is played by the daemon. */
|
||||
int pa_blocking_drain(pa_blocking *s, int *error);
|
||||
|
||||
/** Read some data from the server. This function blocks until \a bytes amount
|
||||
* of data has been received from the server, or until an error occurs.
|
||||
* Returns a negative value on failure. */
|
||||
int pa_blocking_read(
|
||||
pa_blocking *s, /**< The connection object. */
|
||||
void *data, /**< A pointer to a buffer. */
|
||||
size_t bytes, /**< The number of bytes to read. */
|
||||
int *error
|
||||
/**< A pointer where the error code is stored when the function returns
|
||||
* a negative value. It is OK to pass NULL here. */
|
||||
);
|
||||
|
||||
/** Return the playback or record latency. */
|
||||
pa_usec_t pa_blocking_get_latency(pa_blocking *s, int *error);
|
||||
|
||||
/** Flush the playback or record buffer. This discards any audio in the buffer. */
|
||||
int pa_blocking_flush(pa_blocking *s, int *error);
|
||||
|
||||
/** Set the output volume of the stream. */
|
||||
int pa_blocking_set_volume(pa_blocking *p, int volume, int *rerror);
|
||||
|
||||
PA_C_DECL_END
|
||||
|
53
src/contrib/pulseout/pulseout_plugin.cpp
Executable file
53
src/contrib/pulseout/pulseout_plugin.cpp
Executable file
@ -0,0 +1,53 @@
|
||||
//////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Copyright (c) 2007-2016 musikcube team
|
||||
//
|
||||
// All rights reserved.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without
|
||||
// modification, are permitted provided that the following conditions are met:
|
||||
//
|
||||
// * Redistributions of source code must retain the above copyright notice,
|
||||
// this list of conditions and the following disclaimer.
|
||||
//
|
||||
// * Redistributions in binary form must reproduce the above copyright
|
||||
// notice, this list of conditions and the following disclaimer in the
|
||||
// documentation and/or other materials provided with the distribution.
|
||||
//
|
||||
// * Neither the name of the author nor the names of other contributors may
|
||||
// be used to endorse or promote products derived from this software
|
||||
// without specific prior written permission.
|
||||
//
|
||||
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
||||
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
// POSSIBILITY OF SUCH DAMAGE.
|
||||
//
|
||||
//////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#include "pch.h"
|
||||
#include <core/sdk/IPlugin.h>
|
||||
#include <core/sdk/IOutput.h>
|
||||
#include "PulseOut.h"
|
||||
|
||||
class PulseOutPlugin : public musik::core::sdk::IPlugin {
|
||||
virtual void Destroy() { delete this; };
|
||||
virtual const char* Name() { return "PulseAudio IOutput plugin"; }
|
||||
virtual const char* Version() { return "0.1"; }
|
||||
virtual const char* Author() { return "clangen"; }
|
||||
};
|
||||
|
||||
extern "C" musik::core::sdk::IPlugin* GetPlugin() {
|
||||
return new PulseOutPlugin();
|
||||
}
|
||||
|
||||
extern "C" musik::core::sdk::IOutput* GetAudioOutput() {
|
||||
return new PulseOut();
|
||||
}
|
Loading…
Reference in New Issue
Block a user