diff --git a/CMakeLists.txt b/CMakeLists.txt
index a39df1e..a459e06 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,6 +28,7 @@ pkg_check_modules(AVUTIL libavutil)
pkg_check_modules(SWSCALE libswscale)
pkg_check_modules(XLIB x11-xcb)
pkg_check_modules(LIBVA vdpau)
+pkg_check_modules(PULSE libpulse-simple)
if(AVCODEC_FOUND AND AVUTIL_FOUND AND SWSCALE_FOUND AND SDL_FOUND)
set(SOFTWARE_FOUND TRUE)
@@ -67,6 +68,12 @@ if (BROADCOM_FOUND OR FREESCALE_FOUND OR CMAKE_BUILD_TYPE MATCHES Debug)
list(APPEND MOONLIGHT_OPTIONS EMBEDDED)
endif()
+if (PULSE_FOUND)
+ list(APPEND SRC_LIST ./src/audio/pulse.c)
+ list(APPEND MOONLIGHT_DEFINITIONS HAVE_PULSE)
+ list(APPEND MOONLIGHT_OPTIONS PULSE)
+endif()
+
configure_file("./src/configuration.h.in" "${PROJECT_BINARY_DIR}/configuration.h")
include_directories("${PROJECT_BINARY_DIR}")
@@ -115,6 +122,11 @@ if (SOFTWARE_FOUND)
endif()
endif()
+if (PULSE_FOUND)
+ target_include_directories(moonlight PRIVATE ${PULSE_INCLUDE_DIRS})
+ target_link_libraries(moonlight ${PULSE_LIBRARIES})
+endif()
+
set_property(TARGET moonlight PROPERTY COMPILE_DEFINITIONS ${MOONLIGHT_DEFINITIONS})
target_include_directories(moonlight PRIVATE ${GAMESTREAM_INCLUDE_DIR} ${MOONLIGHT_COMMON_INCLUDE_DIR} ${OPUS_INCLUDE_DIRS} ${EVDEV_INCLUDE_DIRS} ${UDEV_INCLUDE_DIRS})
target_link_libraries(moonlight ${EVDEV_LIBRARIES} ${ALSA_LIBRARY} ${OPUS_LIBRARY} ${UDEV_LIBRARIES} ${CMAKE_DL_LIBS})
diff --git a/src/audio.h b/src/audio.h
index e41a738..229d7bd 100644
--- a/src/audio.h
+++ b/src/audio.h
@@ -24,4 +24,7 @@ extern const char* audio_device;
extern AUDIO_RENDERER_CALLBACKS audio_callbacks_alsa;
#ifdef HAVE_SDL
extern AUDIO_RENDERER_CALLBACKS audio_callbacks_sdl;
-#endif
\ No newline at end of file
+#endif
+#ifdef HAVE_PULSE
+extern AUDIO_RENDERER_CALLBACKS audio_callbacks_pulse;
+#endif
diff --git a/src/audio/pulse.c b/src/audio/pulse.c
new file mode 100644
index 0000000..af9a1e9
--- /dev/null
+++ b/src/audio/pulse.c
@@ -0,0 +1,99 @@
+/*
+ * This file is part of Moonlight Embedded.
+ *
+ * Copyright (C) 2015 Iwan Timmer
+ *
+ * Moonlight is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Moonlight 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 General Public License
+ * along with Moonlight; if not, see .
+ */
+
+#include "../audio.h"
+
+#include
+#include
+
+#include
+#include
+#include
+
+#define MAX_CHANNEL_COUNT 6
+#define FRAME_SIZE 240
+
+static OpusMSDecoder* decoder;
+static pa_simple *dev = NULL;
+static short pcmBuffer[FRAME_SIZE * MAX_CHANNEL_COUNT];
+static int channelCount;
+
+static void pulse_renderer_init(int audioConfiguration, POPUS_MULTISTREAM_CONFIGURATION opusConfig) {
+ int rc, error;
+ unsigned char alsaMapping[6];
+
+ channelCount = opusConfig->channelCount;
+
+ /* The supplied mapping array has order: FL-FR-C-LFE-RL-RR
+ * ALSA expects the order: FL-FR-RL-RR-C-LFE
+ * We need copy the mapping locally and swap the channels around.
+ */
+ alsaMapping[0] = opusConfig->mapping[0];
+ alsaMapping[1] = opusConfig->mapping[1];
+ if (opusConfig->channelCount == 6) {
+ alsaMapping[2] = opusConfig->mapping[4];
+ alsaMapping[3] = opusConfig->mapping[5];
+ alsaMapping[4] = opusConfig->mapping[2];
+ alsaMapping[5] = opusConfig->mapping[3];
+ }
+
+ decoder = opus_multistream_decoder_create(opusConfig->sampleRate,
+ opusConfig->channelCount,
+ opusConfig->streams,
+ opusConfig->coupledStreams,
+ alsaMapping,
+ &rc);
+
+ pa_sample_spec spec = {
+ .format = PA_SAMPLE_S16LE,
+ .rate = opusConfig->sampleRate,
+ .channels = opusConfig->channelCount
+ };
+
+ dev = pa_simple_new(NULL, "Moonlight Embedded", PA_STREAM_PLAYBACK, NULL, "Streaming", &spec, NULL, NULL, &error);
+
+ if (!dev) {
+ printf("Pulseaudio error: %s\n", pa_strerror(error));
+ exit(-1);
+ }
+}
+
+static void pulse_renderer_decode_and_play_sample(char* data, int length) {
+ int decodeLen = opus_multistream_decode(decoder, data, length, pcmBuffer, FRAME_SIZE, 0);
+ if (decodeLen > 0) {
+ int error;
+ int rc = pa_simple_write(dev, pcmBuffer, decodeLen * sizeof(short) * channelCount, &error);
+
+ if (rc<0)
+ printf("Pulseaudio error: %s\n", pa_strerror(error));
+ } else {
+ printf("Opus error from decode: %d\n", decodeLen);
+ }
+}
+
+static void pulse_renderer_cleanup() {
+ pa_simple_free(dev);
+}
+
+AUDIO_RENDERER_CALLBACKS audio_callbacks_pulse = {
+ .init = pulse_renderer_init,
+ .cleanup = pulse_renderer_cleanup,
+ .decodeAndPlaySample = pulse_renderer_decode_and_play_sample,
+ .capabilities = CAPABILITY_DIRECT_SUBMIT,
+};
diff --git a/src/platform.c b/src/platform.c
index 50b91b2..2278042 100644
--- a/src/platform.c
+++ b/src/platform.c
@@ -88,6 +88,9 @@ AUDIO_RENDERER_CALLBACKS* platform_get_audio(enum platform system) {
return &audio_callbacks_sdl;
#endif
default:
+ #ifdef HAVE_PULSE
+ return &audio_callbacks_pulse;
+ #endif
return &audio_callbacks_alsa;
}
return NULL;