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-rw-r--r--drivers/ao/SCsub5
-rw-r--r--drivers/ao/audio_driver_ao.cpp161
-rw-r--r--drivers/ao/audio_driver_ao.h79
3 files changed, 245 insertions, 0 deletions
diff --git a/drivers/ao/SCsub b/drivers/ao/SCsub
new file mode 100644
index 0000000000..9fbb467baa
--- /dev/null
+++ b/drivers/ao/SCsub
@@ -0,0 +1,5 @@
+Import('env')
+
+env.add_source_files(env.drivers_sources,"*.cpp")
+
+Export('env')
diff --git a/drivers/ao/audio_driver_ao.cpp b/drivers/ao/audio_driver_ao.cpp
new file mode 100644
index 0000000000..a484a5882e
--- /dev/null
+++ b/drivers/ao/audio_driver_ao.cpp
@@ -0,0 +1,161 @@
+/*************************************************************************/
+/* audio_driver_ao.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* http://www.godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014 Anton Yabchinskiy. */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+#include "audio_driver_ao.h"
+
+#ifdef AO_ENABLED
+
+#include "globals.h"
+#include "os/os.h"
+
+#include <cstring>
+
+Error AudioDriverAO::init() {
+
+ active = false;
+ thread_exited = false;
+ exit_thread = false;
+ pcm_open = false;
+ samples_in = NULL;
+
+ mix_rate = 44100;
+ output_format = OUTPUT_STEREO;
+ channels = 2;
+
+ ao_sample_format format;
+
+ format.bits = 16;
+ format.rate = mix_rate;
+ format.channels = channels;
+ format.byte_format = AO_FMT_LITTLE;
+ format.matrix = "L,R";
+
+ device = ao_open_live(ao_default_driver_id(), &format, NULL);
+ ERR_FAIL_COND_V(device == NULL, ERR_CANT_OPEN);
+
+ int latency = GLOBAL_DEF("audio/output_latency", 25);
+ buffer_size = nearest_power_of_2( latency * mix_rate / 1000 );
+
+ samples_in = memnew_arr(int32_t, buffer_size * channels);
+
+ mutex = Mutex::create();
+ thread = Thread::create(AudioDriverAO::thread_func, this);
+
+ return OK;
+};
+
+void AudioDriverAO::thread_func(void* p_udata) {
+ AudioDriverAO* ad = (AudioDriverAO*)p_udata;
+
+ // Overwrite samples on conversion
+ int16_t* samples_out = reinterpret_cast<int16_t*>(ad->samples_in);
+ unsigned int n_samples = ad->buffer_size * ad->channels;
+ unsigned int n_bytes = n_samples * sizeof(int16_t);
+
+ while (!ad->exit_thread) {
+ if (ad->active) {
+ ad->lock();
+ ad->audio_server_process(ad->buffer_size, ad->samples_in);
+ ad->unlock();
+
+ for (unsigned int i = 0; i < n_samples; i++) {
+ samples_out[i] = ad->samples_in[i] >> 16;
+ }
+ } else {
+ memset(samples_out, 0, n_bytes);
+ }
+
+ if (ad->exit_thread)
+ break;
+
+ if (!ao_play(ad->device, reinterpret_cast<char*>(samples_out), n_bytes)) {
+ ERR_PRINT("ao_play() failed");
+ }
+ };
+
+ ad->thread_exited = true;
+};
+
+void AudioDriverAO::start() {
+ active = true;
+};
+
+int AudioDriverAO::get_mix_rate() const {
+ return mix_rate;
+};
+
+AudioDriverSW::OutputFormat AudioDriverAO::get_output_format() const {
+ return output_format;
+};
+
+void AudioDriverAO::lock() {
+ if (!thread || !mutex)
+ return;
+ mutex->lock();
+};
+
+void AudioDriverAO::unlock() {
+ if (!thread || !mutex)
+ return;
+ mutex->unlock();
+};
+
+void AudioDriverAO::finish() {
+ if (!thread)
+ return;
+
+ exit_thread = true;
+ Thread::wait_to_finish(thread);
+
+ if (samples_in) {
+ memdelete_arr(samples_in);
+ };
+
+ memdelete(thread);
+ if (mutex)
+ memdelete(mutex);
+
+ if (device)
+ ao_close(device);
+
+ thread = NULL;
+};
+
+AudioDriverAO::AudioDriverAO() {
+ mutex = NULL;
+ thread = NULL;
+
+ ao_initialize();
+};
+
+AudioDriverAO::~AudioDriverAO() {
+ ao_shutdown();
+};
+
+#endif
diff --git a/drivers/ao/audio_driver_ao.h b/drivers/ao/audio_driver_ao.h
new file mode 100644
index 0000000000..023e051c8b
--- /dev/null
+++ b/drivers/ao/audio_driver_ao.h
@@ -0,0 +1,79 @@
+/*************************************************************************/
+/* audio_driver_ao.h */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* http://www.godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014 Anton Yabchinskiy. */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+#include "servers/audio/audio_server_sw.h"
+
+#ifdef AO_ENABLED
+
+#include "core/os/thread.h"
+#include "core/os/mutex.h"
+
+#include <ao/ao.h>
+
+class AudioDriverAO : public AudioDriverSW {
+
+ Thread* thread;
+ Mutex* mutex;
+
+ ao_device* device;
+
+ int32_t* samples_in;
+
+ static void thread_func(void* p_udata);
+ int buffer_size;
+
+ unsigned int mix_rate;
+ OutputFormat output_format;
+
+ int channels;
+
+ bool active;
+ bool thread_exited;
+ mutable bool exit_thread;
+ bool pcm_open;
+
+public:
+
+ const char* get_name() const {
+ return "libao";
+ };
+
+ virtual Error init();
+ virtual void start();
+ virtual int get_mix_rate() const;
+ virtual OutputFormat get_output_format() const;
+ virtual void lock();
+ virtual void unlock();
+ virtual void finish();
+
+ AudioDriverAO();
+ ~AudioDriverAO();
+};
+
+#endif
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