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authorChris Robinson <[email protected]>2011-08-20 00:41:47 -0700
committerChris Robinson <[email protected]>2011-08-20 00:41:47 -0700
commit9989f33fc24042578bf4bf2c50a06a6366d07c1d (patch)
treecdf87e14c0333069c3ba791109c753c3ebf9784e /Alc/backends/pulseaudio.c
parentba4456d24aa013118e70fa1158def7ad18e8d66e (diff)
Move backend sources to a separate sub-directory
Diffstat (limited to 'Alc/backends/pulseaudio.c')
-rw-r--r--Alc/backends/pulseaudio.c1430
1 files changed, 1430 insertions, 0 deletions
diff --git a/Alc/backends/pulseaudio.c b/Alc/backends/pulseaudio.c
new file mode 100644
index 00000000..39df3282
--- /dev/null
+++ b/Alc/backends/pulseaudio.c
@@ -0,0 +1,1430 @@
+/**
+ * OpenAL cross platform audio library
+ * Copyright (C) 2009 by Konstantinos Natsakis <[email protected]>
+ * Copyright (C) 2010 by Chris Robinson <[email protected]>
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ * Or go to http://www.gnu.org/copyleft/lgpl.html
+ */
+
+#include "config.h"
+
+#include "alMain.h"
+
+#include <pulse/pulseaudio.h>
+
+#if PA_API_VERSION == 11
+#define PA_STREAM_ADJUST_LATENCY 0x2000U
+#define PA_STREAM_EARLY_REQUESTS 0x4000U
+static __inline int PA_STREAM_IS_GOOD(pa_stream_state_t x)
+{
+ return (x == PA_STREAM_CREATING || x == PA_STREAM_READY);
+}
+static __inline int PA_CONTEXT_IS_GOOD(pa_context_state_t x)
+{
+ return (x == PA_CONTEXT_CONNECTING || x == PA_CONTEXT_AUTHORIZING ||
+ x == PA_CONTEXT_SETTING_NAME || x == PA_CONTEXT_READY);
+}
+#define PA_STREAM_IS_GOOD PA_STREAM_IS_GOOD
+#define PA_CONTEXT_IS_GOOD PA_CONTEXT_IS_GOOD
+#elif PA_API_VERSION != 12
+#error Invalid PulseAudio API version
+#endif
+
+#ifndef PA_CHECK_VERSION
+#define PA_CHECK_VERSION(major,minor,micro) \
+ ((PA_MAJOR > (major)) || \
+ (PA_MAJOR == (major) && PA_MINOR > (minor)) || \
+ (PA_MAJOR == (major) && PA_MINOR == (minor) && PA_MICRO >= (micro)))
+#endif
+
+static void *pa_handle;
+#ifdef HAVE_DYNLOAD
+#define MAKE_FUNC(x) static typeof(x) * p##x
+MAKE_FUNC(pa_context_unref);
+MAKE_FUNC(pa_sample_spec_valid);
+MAKE_FUNC(pa_stream_drop);
+MAKE_FUNC(pa_strerror);
+MAKE_FUNC(pa_context_get_state);
+MAKE_FUNC(pa_stream_get_state);
+MAKE_FUNC(pa_threaded_mainloop_signal);
+MAKE_FUNC(pa_stream_peek);
+MAKE_FUNC(pa_threaded_mainloop_wait);
+MAKE_FUNC(pa_threaded_mainloop_unlock);
+MAKE_FUNC(pa_threaded_mainloop_in_thread);
+MAKE_FUNC(pa_context_new);
+MAKE_FUNC(pa_threaded_mainloop_stop);
+MAKE_FUNC(pa_context_disconnect);
+MAKE_FUNC(pa_threaded_mainloop_start);
+MAKE_FUNC(pa_threaded_mainloop_get_api);
+MAKE_FUNC(pa_context_set_state_callback);
+MAKE_FUNC(pa_stream_write);
+MAKE_FUNC(pa_xfree);
+MAKE_FUNC(pa_stream_connect_record);
+MAKE_FUNC(pa_stream_connect_playback);
+MAKE_FUNC(pa_stream_readable_size);
+MAKE_FUNC(pa_stream_writable_size);
+MAKE_FUNC(pa_stream_cork);
+MAKE_FUNC(pa_stream_is_suspended);
+MAKE_FUNC(pa_stream_get_device_name);
+MAKE_FUNC(pa_path_get_filename);
+MAKE_FUNC(pa_get_binary_name);
+MAKE_FUNC(pa_threaded_mainloop_free);
+MAKE_FUNC(pa_context_errno);
+MAKE_FUNC(pa_xmalloc);
+MAKE_FUNC(pa_stream_unref);
+MAKE_FUNC(pa_threaded_mainloop_accept);
+MAKE_FUNC(pa_stream_set_write_callback);
+MAKE_FUNC(pa_threaded_mainloop_new);
+MAKE_FUNC(pa_context_connect);
+MAKE_FUNC(pa_stream_set_buffer_attr);
+MAKE_FUNC(pa_stream_get_buffer_attr);
+MAKE_FUNC(pa_stream_get_sample_spec);
+MAKE_FUNC(pa_stream_get_time);
+MAKE_FUNC(pa_stream_set_read_callback);
+MAKE_FUNC(pa_stream_set_state_callback);
+MAKE_FUNC(pa_stream_set_moved_callback);
+MAKE_FUNC(pa_stream_set_underflow_callback);
+MAKE_FUNC(pa_stream_new);
+MAKE_FUNC(pa_stream_disconnect);
+MAKE_FUNC(pa_threaded_mainloop_lock);
+MAKE_FUNC(pa_channel_map_init_auto);
+MAKE_FUNC(pa_channel_map_parse);
+MAKE_FUNC(pa_channel_map_snprint);
+MAKE_FUNC(pa_channel_map_equal);
+MAKE_FUNC(pa_context_get_server_info);
+MAKE_FUNC(pa_context_get_sink_info_by_name);
+MAKE_FUNC(pa_context_get_sink_info_list);
+MAKE_FUNC(pa_context_get_source_info_list);
+MAKE_FUNC(pa_operation_get_state);
+MAKE_FUNC(pa_operation_unref);
+#if PA_CHECK_VERSION(0,9,15)
+MAKE_FUNC(pa_channel_map_superset);
+MAKE_FUNC(pa_stream_set_buffer_attr_callback);
+#endif
+#if PA_CHECK_VERSION(0,9,16)
+MAKE_FUNC(pa_stream_begin_write);
+#endif
+#undef MAKE_FUNC
+
+#define pa_context_unref ppa_context_unref
+#define pa_sample_spec_valid ppa_sample_spec_valid
+#define pa_stream_drop ppa_stream_drop
+#define pa_strerror ppa_strerror
+#define pa_context_get_state ppa_context_get_state
+#define pa_stream_get_state ppa_stream_get_state
+#define pa_threaded_mainloop_signal ppa_threaded_mainloop_signal
+#define pa_stream_peek ppa_stream_peek
+#define pa_threaded_mainloop_wait ppa_threaded_mainloop_wait
+#define pa_threaded_mainloop_unlock ppa_threaded_mainloop_unlock
+#define pa_threaded_mainloop_in_thread ppa_threaded_mainloop_in_thread
+#define pa_context_new ppa_context_new
+#define pa_threaded_mainloop_stop ppa_threaded_mainloop_stop
+#define pa_context_disconnect ppa_context_disconnect
+#define pa_threaded_mainloop_start ppa_threaded_mainloop_start
+#define pa_threaded_mainloop_get_api ppa_threaded_mainloop_get_api
+#define pa_context_set_state_callback ppa_context_set_state_callback
+#define pa_stream_write ppa_stream_write
+#define pa_xfree ppa_xfree
+#define pa_stream_connect_record ppa_stream_connect_record
+#define pa_stream_connect_playback ppa_stream_connect_playback
+#define pa_stream_readable_size ppa_stream_readable_size
+#define pa_stream_writable_size ppa_stream_writable_size
+#define pa_stream_cork ppa_stream_cork
+#define pa_stream_is_suspended ppa_stream_is_suspended
+#define pa_stream_get_device_name ppa_stream_get_device_name
+#define pa_path_get_filename ppa_path_get_filename
+#define pa_get_binary_name ppa_get_binary_name
+#define pa_threaded_mainloop_free ppa_threaded_mainloop_free
+#define pa_context_errno ppa_context_errno
+#define pa_xmalloc ppa_xmalloc
+#define pa_stream_unref ppa_stream_unref
+#define pa_threaded_mainloop_accept ppa_threaded_mainloop_accept
+#define pa_stream_set_write_callback ppa_stream_set_write_callback
+#define pa_threaded_mainloop_new ppa_threaded_mainloop_new
+#define pa_context_connect ppa_context_connect
+#define pa_stream_set_buffer_attr ppa_stream_set_buffer_attr
+#define pa_stream_get_buffer_attr ppa_stream_get_buffer_attr
+#define pa_stream_get_sample_spec ppa_stream_get_sample_spec
+#define pa_stream_get_time ppa_stream_get_time
+#define pa_stream_set_read_callback ppa_stream_set_read_callback
+#define pa_stream_set_state_callback ppa_stream_set_state_callback
+#define pa_stream_set_moved_callback ppa_stream_set_moved_callback
+#define pa_stream_set_underflow_callback ppa_stream_set_underflow_callback
+#define pa_stream_new ppa_stream_new
+#define pa_stream_disconnect ppa_stream_disconnect
+#define pa_threaded_mainloop_lock ppa_threaded_mainloop_lock
+#define pa_channel_map_init_auto ppa_channel_map_init_auto
+#define pa_channel_map_parse ppa_channel_map_parse
+#define pa_channel_map_snprint ppa_channel_map_snprint
+#define pa_channel_map_equal ppa_channel_map_equal
+#define pa_context_get_server_info ppa_context_get_server_info
+#define pa_context_get_sink_info_by_name ppa_context_get_sink_info_by_name
+#define pa_context_get_sink_info_list ppa_context_get_sink_info_list
+#define pa_context_get_source_info_list ppa_context_get_source_info_list
+#define pa_operation_get_state ppa_operation_get_state
+#define pa_operation_unref ppa_operation_unref
+#if PA_CHECK_VERSION(0,9,15)
+#define pa_channel_map_superset ppa_channel_map_superset
+#define pa_stream_set_buffer_attr_callback ppa_stream_set_buffer_attr_callback
+#endif
+#if PA_CHECK_VERSION(0,9,16)
+#define pa_stream_begin_write ppa_stream_begin_write
+#endif
+
+#endif
+
+#ifndef PATH_MAX
+#define PATH_MAX 4096
+#endif
+
+typedef struct {
+ char *device_name;
+
+ ALCuint samples;
+ ALCuint frame_size;
+
+ RingBuffer *ring;
+
+ pa_buffer_attr attr;
+ pa_sample_spec spec;
+
+ pa_threaded_mainloop *loop;
+
+ ALvoid *thread;
+ volatile ALboolean killNow;
+
+ pa_stream *stream;
+ pa_context *context;
+} pulse_data;
+
+typedef struct {
+ char *name;
+ char *device_name;
+} DevMap;
+
+
+static const ALCchar pulse_device[] = "PulseAudio Default";
+static DevMap *allDevNameMap;
+static ALuint numDevNames;
+static DevMap *allCaptureDevNameMap;
+static ALuint numCaptureDevNames;
+static pa_context_flags_t pulse_ctx_flags;
+
+
+static void context_state_callback(pa_context *context, void *pdata)
+{
+ pa_threaded_mainloop *loop = pdata;
+ pa_context_state_t state;
+
+ state = pa_context_get_state(context);
+ if(state == PA_CONTEXT_READY || !PA_CONTEXT_IS_GOOD(state))
+ pa_threaded_mainloop_signal(loop, 0);
+}
+
+static pa_context *connect_context(pa_threaded_mainloop *loop, ALboolean silent)
+{
+ const char *name = "OpenAL Soft";
+ char path_name[PATH_MAX];
+ pa_context_state_t state;
+ pa_context *context;
+ int err;
+
+ if(pa_get_binary_name(path_name, sizeof(path_name)))
+ name = pa_path_get_filename(path_name);
+
+ context = pa_context_new(pa_threaded_mainloop_get_api(loop), name);
+ if(!context)
+ {
+ ERR("pa_context_new() failed\n");
+ return NULL;
+ }
+
+ pa_context_set_state_callback(context, context_state_callback, loop);
+
+ if((err=pa_context_connect(context, NULL, pulse_ctx_flags, NULL)) >= 0)
+ {
+ while((state=pa_context_get_state(context)) != PA_CONTEXT_READY)
+ {
+ if(!PA_CONTEXT_IS_GOOD(state))
+ {
+ err = pa_context_errno(context);
+ if(err > 0) err = -err;
+ break;
+ }
+
+ pa_threaded_mainloop_wait(loop);
+ }
+ }
+ pa_context_set_state_callback(context, NULL, NULL);
+
+ if(err < 0)
+ {
+ if(!silent)
+ ERR("Context did not connect: %s\n", pa_strerror(err));
+ pa_context_unref(context);
+ return NULL;
+ }
+
+ return context;
+}
+
+
+static ALCboolean pulse_load(void) //{{{
+{
+ ALCboolean ret = ALC_FALSE;
+ if(!pa_handle)
+ {
+ pa_threaded_mainloop *loop;
+
+#ifdef HAVE_DYNLOAD
+
+#ifdef _WIN32
+#define PALIB "libpulse-0.dll"
+#elif defined(__APPLE__) && defined(__MACH__)
+#define PALIB "libpulse.0.dylib"
+#else
+#define PALIB "libpulse.so.0"
+#endif
+ pa_handle = LoadLib(PALIB);
+ if(!pa_handle)
+ return ALC_FALSE;
+
+#define LOAD_FUNC(x) do { \
+ p##x = GetSymbol(pa_handle, #x); \
+ if(!(p##x)) { \
+ CloseLib(pa_handle); \
+ pa_handle = NULL; \
+ return ALC_FALSE; \
+ } \
+} while(0)
+ LOAD_FUNC(pa_context_unref);
+ LOAD_FUNC(pa_sample_spec_valid);
+ LOAD_FUNC(pa_stream_drop);
+ LOAD_FUNC(pa_strerror);
+ LOAD_FUNC(pa_context_get_state);
+ LOAD_FUNC(pa_stream_get_state);
+ LOAD_FUNC(pa_threaded_mainloop_signal);
+ LOAD_FUNC(pa_stream_peek);
+ LOAD_FUNC(pa_threaded_mainloop_wait);
+ LOAD_FUNC(pa_threaded_mainloop_unlock);
+ LOAD_FUNC(pa_threaded_mainloop_in_thread);
+ LOAD_FUNC(pa_context_new);
+ LOAD_FUNC(pa_threaded_mainloop_stop);
+ LOAD_FUNC(pa_context_disconnect);
+ LOAD_FUNC(pa_threaded_mainloop_start);
+ LOAD_FUNC(pa_threaded_mainloop_get_api);
+ LOAD_FUNC(pa_context_set_state_callback);
+ LOAD_FUNC(pa_stream_write);
+ LOAD_FUNC(pa_xfree);
+ LOAD_FUNC(pa_stream_connect_record);
+ LOAD_FUNC(pa_stream_connect_playback);
+ LOAD_FUNC(pa_stream_readable_size);
+ LOAD_FUNC(pa_stream_writable_size);
+ LOAD_FUNC(pa_stream_cork);
+ LOAD_FUNC(pa_stream_is_suspended);
+ LOAD_FUNC(pa_stream_get_device_name);
+ LOAD_FUNC(pa_path_get_filename);
+ LOAD_FUNC(pa_get_binary_name);
+ LOAD_FUNC(pa_threaded_mainloop_free);
+ LOAD_FUNC(pa_context_errno);
+ LOAD_FUNC(pa_xmalloc);
+ LOAD_FUNC(pa_stream_unref);
+ LOAD_FUNC(pa_threaded_mainloop_accept);
+ LOAD_FUNC(pa_stream_set_write_callback);
+ LOAD_FUNC(pa_threaded_mainloop_new);
+ LOAD_FUNC(pa_context_connect);
+ LOAD_FUNC(pa_stream_set_buffer_attr);
+ LOAD_FUNC(pa_stream_get_buffer_attr);
+ LOAD_FUNC(pa_stream_get_sample_spec);
+ LOAD_FUNC(pa_stream_get_time);
+ LOAD_FUNC(pa_stream_set_read_callback);
+ LOAD_FUNC(pa_stream_set_state_callback);
+ LOAD_FUNC(pa_stream_set_moved_callback);
+ LOAD_FUNC(pa_stream_set_underflow_callback);
+ LOAD_FUNC(pa_stream_new);
+ LOAD_FUNC(pa_stream_disconnect);
+ LOAD_FUNC(pa_threaded_mainloop_lock);
+ LOAD_FUNC(pa_channel_map_init_auto);
+ LOAD_FUNC(pa_channel_map_parse);
+ LOAD_FUNC(pa_channel_map_snprint);
+ LOAD_FUNC(pa_channel_map_equal);
+ LOAD_FUNC(pa_context_get_server_info);
+ LOAD_FUNC(pa_context_get_sink_info_by_name);
+ LOAD_FUNC(pa_context_get_sink_info_list);
+ LOAD_FUNC(pa_context_get_source_info_list);
+ LOAD_FUNC(pa_operation_get_state);
+ LOAD_FUNC(pa_operation_unref);
+#undef LOAD_FUNC
+#define LOAD_OPTIONAL_FUNC(x) do { \
+ p##x = GetSymbol(pa_handle, #x); \
+} while(0)
+#if PA_CHECK_VERSION(0,9,15)
+ LOAD_OPTIONAL_FUNC(pa_channel_map_superset);
+ LOAD_OPTIONAL_FUNC(pa_stream_set_buffer_attr_callback);
+#endif
+#if PA_CHECK_VERSION(0,9,16)
+ LOAD_OPTIONAL_FUNC(pa_stream_begin_write);
+#endif
+#undef LOAD_OPTIONAL_FUNC
+
+#else /* HAVE_DYNLOAD */
+ pa_handle = (void*)0xDEADBEEF;
+#endif
+
+ if((loop=pa_threaded_mainloop_new()) &&
+ pa_threaded_mainloop_start(loop) >= 0)
+ {
+ pa_context *context;
+
+ pa_threaded_mainloop_lock(loop);
+ context = connect_context(loop, AL_TRUE);
+ if(context)
+ {
+ ret = ALC_TRUE;
+
+ pa_context_disconnect(context);
+ pa_context_unref(context);
+ }
+ pa_threaded_mainloop_unlock(loop);
+ pa_threaded_mainloop_stop(loop);
+ }
+ if(loop)
+ pa_threaded_mainloop_free(loop);
+
+ if(!ret)
+ {
+#ifdef HAVE_DYNLOAD
+ CloseLib(pa_handle);
+#endif
+ pa_handle = NULL;
+ }
+ }
+ return ret;
+} //}}}
+
+// PulseAudio Event Callbacks //{{{
+static void stream_state_callback(pa_stream *stream, void *pdata) //{{{
+{
+ pa_threaded_mainloop *loop = pdata;
+ pa_stream_state_t state;
+
+ state = pa_stream_get_state(stream);
+ if(state == PA_STREAM_READY || !PA_STREAM_IS_GOOD(state))
+ pa_threaded_mainloop_signal(loop, 0);
+}//}}}
+
+static void stream_signal_callback(pa_stream *stream, void *pdata) //{{{
+{
+ ALCdevice *Device = pdata;
+ pulse_data *data = Device->ExtraData;
+ (void)stream;
+
+ pa_threaded_mainloop_signal(data->loop, 0);
+}//}}}
+
+static void stream_buffer_attr_callback(pa_stream *stream, void *pdata) //{{{
+{
+ ALCdevice *Device = pdata;
+ pulse_data *data = Device->ExtraData;
+
+ LockDevice(Device);
+
+ data->attr = *(pa_stream_get_buffer_attr(stream));
+ Device->UpdateSize = data->attr.minreq / data->frame_size;
+ Device->NumUpdates = (data->attr.tlength/data->frame_size) / Device->UpdateSize;
+ if(Device->NumUpdates <= 1)
+ {
+ Device->NumUpdates = 1;
+ ERR("PulseAudio returned minreq > tlength/2; expect break up\n");
+ }
+
+ UnlockDevice(Device);
+}//}}}
+
+static void stream_device_callback(pa_stream *stream, void *pdata) //{{{
+{
+ ALCdevice *Device = pdata;
+ pulse_data *data = Device->ExtraData;
+
+ free(data->device_name);
+ data->device_name = strdup(pa_stream_get_device_name(stream));
+}//}}}
+
+static void context_state_callback2(pa_context *context, void *pdata) //{{{
+{
+ ALCdevice *Device = pdata;
+ pulse_data *data = Device->ExtraData;
+
+ if(pa_context_get_state(context) == PA_CONTEXT_FAILED)
+ {
+ ERR("Received context failure!\n");
+ aluHandleDisconnect(Device);
+ }
+ pa_threaded_mainloop_signal(data->loop, 0);
+}//}}}
+
+static void stream_state_callback2(pa_stream *stream, void *pdata) //{{{
+{
+ ALCdevice *Device = pdata;
+ pulse_data *data = Device->ExtraData;
+
+ if(pa_stream_get_state(stream) == PA_STREAM_FAILED)
+ {
+ ERR("Received stream failure!\n");
+ aluHandleDisconnect(Device);
+ }
+ pa_threaded_mainloop_signal(data->loop, 0);
+}//}}}
+
+static void stream_success_callback(pa_stream *stream, int success, void *pdata) //{{{
+{
+ ALCdevice *Device = pdata;
+ pulse_data *data = Device->ExtraData;
+ (void)stream;
+ (void)success;
+
+ pa_threaded_mainloop_signal(data->loop, 0);
+}//}}}
+
+static void sink_info_callback(pa_context *context, const pa_sink_info *info, int eol, void *pdata) //{{{
+{
+ ALCdevice *device = pdata;
+ pulse_data *data = device->ExtraData;
+ char chanmap_str[256] = "";
+ const struct {
+ const char *str;
+ enum DevFmtChannels chans;
+ } chanmaps[] = {
+ { "front-left,front-right,front-center,lfe,rear-left,rear-right,side-left,side-right",
+ DevFmtX71 },
+ { "front-left,front-right,front-center,lfe,rear-center,side-left,side-right",
+ DevFmtX61 },
+ { "front-left,front-right,front-center,lfe,rear-left,rear-right",
+ DevFmtX51 },
+ { "front-left,front-right,front-center,lfe,side-left,side-right",
+ DevFmtX51Side },
+ { "front-left,front-right,rear-left,rear-right", DevFmtQuad },
+ { "front-left,front-right", DevFmtStereo },
+ { "mono", DevFmtMono },
+ { NULL, 0 }
+ };
+ int i;
+ (void)context;
+
+ if(eol)
+ {
+ pa_threaded_mainloop_signal(data->loop, 0);
+ return;
+ }
+
+ for(i = 0;chanmaps[i].str;i++)
+ {
+ pa_channel_map map;
+ if(!pa_channel_map_parse(&map, chanmaps[i].str))
+ continue;
+
+ if(pa_channel_map_equal(&info->channel_map, &map)
+#if PA_CHECK_VERSION(0,9,15)
+ || (pa_channel_map_superset &&
+ pa_channel_map_superset(&info->channel_map, &map))
+#endif
+ )
+ {
+ device->FmtChans = chanmaps[i].chans;
+ return;
+ }
+ }
+
+ pa_channel_map_snprint(chanmap_str, sizeof(chanmap_str), &info->channel_map);
+ ERR("Failed to find format for channel map:\n %s\n", chanmap_str);
+}//}}}
+
+static void sink_device_callback(pa_context *context, const pa_sink_info *info, int eol, void *pdata) //{{{
+{
+ pa_threaded_mainloop *loop = pdata;
+ char str[1024];
+ void *temp;
+ int count;
+ ALuint i;
+
+ (void)context;
+
+ if(eol)
+ {
+ pa_threaded_mainloop_signal(loop, 0);
+ return;
+ }
+
+ count = 0;
+ do {
+ if(count == 0)
+ snprintf(str, sizeof(str), "%s", info->description);
+ else
+ snprintf(str, sizeof(str), "%s #%d", info->description, count+1);
+ count++;
+
+ for(i = 0;i < numDevNames;i++)
+ {
+ if(strcmp(str, allDevNameMap[i].name) == 0)
+ break;
+ }
+ } while(i != numDevNames);
+
+ temp = realloc(allDevNameMap, (numDevNames+1) * sizeof(*allDevNameMap));
+ if(temp)
+ {
+ allDevNameMap = temp;
+ allDevNameMap[numDevNames].name = strdup(str);
+ allDevNameMap[numDevNames].device_name = strdup(info->name);
+ numDevNames++;
+ }
+}//}}}
+
+static void source_device_callback(pa_context *context, const pa_source_info *info, int eol, void *pdata) //{{{
+{
+ pa_threaded_mainloop *loop = pdata;
+ char str[1024];
+ void *temp;
+ int count;
+ ALuint i;
+
+ (void)context;
+
+ if(eol)
+ {
+ pa_threaded_mainloop_signal(loop, 0);
+ return;
+ }
+
+ count = 0;
+ do {
+ if(count == 0)
+ snprintf(str, sizeof(str), "%s", info->description);
+ else
+ snprintf(str, sizeof(str), "%s #%d", info->description, count+1);
+ count++;
+
+ for(i = 0;i < numCaptureDevNames;i++)
+ {
+ if(strcmp(str, allCaptureDevNameMap[i].name) == 0)
+ break;
+ }
+ } while(i != numCaptureDevNames);
+
+ temp = realloc(allCaptureDevNameMap, (numCaptureDevNames+1) * sizeof(*allCaptureDevNameMap));
+ if(temp)
+ {
+ allCaptureDevNameMap = temp;
+ allCaptureDevNameMap[numCaptureDevNames].name = strdup(str);
+ allCaptureDevNameMap[numCaptureDevNames].device_name = strdup(info->name);
+ numCaptureDevNames++;
+ }
+}//}}}
+//}}}
+
+// PulseAudio I/O Callbacks //{{{
+static void stream_write_callback(pa_stream *stream, size_t len, void *pdata) //{{{
+{
+ ALCdevice *Device = pdata;
+ pulse_data *data = Device->ExtraData;
+ (void)stream;
+ (void)len;
+
+ pa_threaded_mainloop_signal(data->loop, 0);
+} //}}}
+//}}}
+
+static ALuint PulseProc(ALvoid *param)
+{
+ ALCdevice *Device = param;
+ pulse_data *data = Device->ExtraData;
+ ssize_t len;
+
+ SetRTPriority();
+
+ pa_threaded_mainloop_lock(data->loop);
+ do {
+ len = (Device->Connected ? pa_stream_writable_size(data->stream) : 0);
+ len -= len%(Device->UpdateSize*data->frame_size);
+ if(len == 0)
+ {
+ pa_threaded_mainloop_wait(data->loop);
+ continue;
+ }
+
+ while(len > 0)
+ {
+ size_t newlen = len;
+ void *buf;
+ pa_free_cb_t free_func = NULL;
+
+#if PA_CHECK_VERSION(0,9,16)
+ if(!pa_stream_begin_write ||
+ pa_stream_begin_write(data->stream, &buf, &newlen) < 0)
+#endif
+ {
+ buf = pa_xmalloc(newlen);
+ free_func = pa_xfree;
+ }
+ pa_threaded_mainloop_unlock(data->loop);
+
+ aluMixData(Device, buf, newlen/data->frame_size);
+
+ pa_threaded_mainloop_lock(data->loop);
+ pa_stream_write(data->stream, buf, newlen, free_func, 0, PA_SEEK_RELATIVE);
+ len -= newlen;
+ }
+ } while(Device->Connected && !data->killNow);
+ pa_threaded_mainloop_unlock(data->loop);
+
+ return 0;
+}
+
+static pa_stream *connect_playback_stream(ALCdevice *device,
+ pa_stream_flags_t flags, pa_buffer_attr *attr, pa_sample_spec *spec,
+ pa_channel_map *chanmap)
+{
+ pulse_data *data = device->ExtraData;
+ pa_stream_state_t state;
+ pa_stream *stream;
+
+ stream = pa_stream_new(data->context, "Playback Stream", spec, chanmap);
+ if(!stream)
+ {
+ ERR("pa_stream_new() failed: %s\n",
+ pa_strerror(pa_context_errno(data->context)));
+ return NULL;
+ }
+
+ pa_stream_set_state_callback(stream, stream_state_callback, data->loop);
+
+ if(pa_stream_connect_playback(stream, data->device_name, attr, flags, NULL, NULL) < 0)
+ {
+ ERR("Stream did not connect: %s\n",
+ pa_strerror(pa_context_errno(data->context)));
+ pa_stream_unref(stream);
+ return NULL;
+ }
+
+ while((state=pa_stream_get_state(stream)) != PA_STREAM_READY)
+ {
+ if(!PA_STREAM_IS_GOOD(state))
+ {
+ ERR("Stream did not get ready: %s\n",
+ pa_strerror(pa_context_errno(data->context)));
+ pa_stream_unref(stream);
+ return NULL;
+ }
+
+ pa_threaded_mainloop_wait(data->loop);
+ }
+ pa_stream_set_state_callback(stream, NULL, NULL);
+
+ return stream;
+}
+
+static void probe_devices(ALboolean capture)
+{
+ pa_threaded_mainloop *loop;
+
+ if(capture == AL_FALSE)
+ allDevNameMap = malloc(sizeof(DevMap) * 1);
+ else
+ allCaptureDevNameMap = malloc(sizeof(DevMap) * 1);
+
+ if((loop=pa_threaded_mainloop_new()) &&
+ pa_threaded_mainloop_start(loop) >= 0)
+ {
+ pa_context *context;
+
+ pa_threaded_mainloop_lock(loop);
+ context = connect_context(loop, AL_FALSE);
+ if(context)
+ {
+ pa_operation *o;
+
+ if(capture == AL_FALSE)
+ {
+ allDevNameMap[0].name = strdup(pulse_device);
+ allDevNameMap[0].device_name = NULL;
+ numDevNames = 1;
+
+ o = pa_context_get_sink_info_list(context, sink_device_callback, loop);
+ }
+ else
+ {
+ allCaptureDevNameMap[0].name = strdup(pulse_device);
+ allCaptureDevNameMap[0].device_name = NULL;
+ numCaptureDevNames = 1;
+
+ o = pa_context_get_source_info_list(context, source_device_callback, loop);
+ }
+ while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
+ pa_threaded_mainloop_wait(loop);
+ pa_operation_unref(o);
+
+ pa_context_disconnect(context);
+ pa_context_unref(context);
+ }
+ pa_threaded_mainloop_unlock(loop);
+ pa_threaded_mainloop_stop(loop);
+ }
+ if(loop)
+ pa_threaded_mainloop_free(loop);
+}
+
+
+static ALCboolean pulse_open(ALCdevice *device, const ALCchar *device_name) //{{{
+{
+ pulse_data *data = pa_xmalloc(sizeof(pulse_data));
+ memset(data, 0, sizeof(*data));
+
+ if(!(data->loop = pa_threaded_mainloop_new()))
+ {
+ ERR("pa_threaded_mainloop_new() failed!\n");
+ goto out;
+ }
+ if(pa_threaded_mainloop_start(data->loop) < 0)
+ {
+ ERR("pa_threaded_mainloop_start() failed\n");
+ goto out;
+ }
+
+ pa_threaded_mainloop_lock(data->loop);
+ device->ExtraData = data;
+
+ data->context = connect_context(data->loop, AL_FALSE);
+ if(!data->context)
+ {
+ pa_threaded_mainloop_unlock(data->loop);
+ goto out;
+ }
+ pa_context_set_state_callback(data->context, context_state_callback2, device);
+
+ device->szDeviceName = strdup(device_name);
+
+ pa_threaded_mainloop_unlock(data->loop);
+ return ALC_TRUE;
+
+out:
+ if(data->loop)
+ {
+ pa_threaded_mainloop_stop(data->loop);
+ pa_threaded_mainloop_free(data->loop);
+ }
+
+ device->ExtraData = NULL;
+ pa_xfree(data);
+ return ALC_FALSE;
+} //}}}
+
+static void pulse_close(ALCdevice *device) //{{{
+{
+ pulse_data *data = device->ExtraData;
+
+ pa_threaded_mainloop_lock(data->loop);
+
+ if(data->stream)
+ {
+ pa_stream_disconnect(data->stream);
+ pa_stream_unref(data->stream);
+ }
+
+ pa_context_disconnect(data->context);
+ pa_context_unref(data->context);
+
+ pa_threaded_mainloop_unlock(data->loop);
+
+ pa_threaded_mainloop_stop(data->loop);
+ pa_threaded_mainloop_free(data->loop);
+
+ DestroyRingBuffer(data->ring);
+ free(data->device_name);
+
+ device->ExtraData = NULL;
+ pa_xfree(data);
+} //}}}
+//}}}
+
+// OpenAL {{{
+static ALCboolean pulse_open_playback(ALCdevice *device, const ALCchar *device_name) //{{{
+{
+ char *pulse_name = NULL;
+ pa_sample_spec spec;
+ pulse_data *data;
+
+ if(!allDevNameMap)
+ probe_devices(AL_FALSE);
+
+ if(!device_name && numDevNames > 0)
+ device_name = allDevNameMap[0].name;
+ else
+ {
+ ALuint i;
+
+ for(i = 0;i < numDevNames;i++)
+ {
+ if(strcmp(device_name, allDevNameMap[i].name) == 0)
+ {
+ pulse_name = allDevNameMap[i].device_name;
+ break;
+ }
+ }
+ if(i == numDevNames)
+ return ALC_FALSE;
+ }
+
+ if(pulse_open(device, device_name) == ALC_FALSE)
+ return ALC_FALSE;
+
+ data = device->ExtraData;
+
+ pa_threaded_mainloop_lock(data->loop);
+
+ spec.format = PA_SAMPLE_S16NE;
+ spec.rate = 44100;
+ spec.channels = 2;
+
+ data->device_name = pulse_name;
+ pa_stream *stream = connect_playback_stream(device, 0, NULL, &spec, NULL);
+ if(!stream)
+ {
+ pa_threaded_mainloop_unlock(data->loop);
+ goto fail;
+ }
+
+ if(pa_stream_is_suspended(stream))
+ {
+ ERR("Device is suspended\n");
+ pa_stream_disconnect(stream);
+ pa_stream_unref(stream);
+ pa_threaded_mainloop_unlock(data->loop);
+ goto fail;
+ }
+ data->device_name = strdup(pa_stream_get_device_name(stream));
+
+ pa_stream_disconnect(stream);
+ pa_stream_unref(stream);
+
+ pa_threaded_mainloop_unlock(data->loop);
+
+ return ALC_TRUE;
+
+fail:
+ pulse_close(device);
+ return ALC_FALSE;
+} //}}}
+
+static void pulse_close_playback(ALCdevice *device) //{{{
+{
+ pulse_close(device);
+} //}}}
+
+static ALCboolean pulse_reset_playback(ALCdevice *device) //{{{
+{
+ pulse_data *data = device->ExtraData;
+ pa_stream_flags_t flags = 0;
+ pa_channel_map chanmap;
+
+ pa_threaded_mainloop_lock(data->loop);
+
+ if(!(device->Flags&DEVICE_CHANNELS_REQUEST))
+ {
+ pa_operation *o;
+ o = pa_context_get_sink_info_by_name(data->context, data->device_name, sink_info_callback, device);
+ while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
+ pa_threaded_mainloop_wait(data->loop);
+ pa_operation_unref(o);
+ }
+ if(!(device->Flags&DEVICE_FREQUENCY_REQUEST))
+ flags |= PA_STREAM_FIX_RATE;
+
+ data->frame_size = FrameSizeFromDevFmt(device->FmtChans, device->FmtType);
+ data->attr.prebuf = -1;
+ data->attr.fragsize = -1;
+ data->attr.minreq = device->UpdateSize * data->frame_size;
+ data->attr.tlength = data->attr.minreq * device->NumUpdates;
+ if(data->attr.tlength < data->attr.minreq*2)
+ data->attr.tlength = data->attr.minreq*2;
+ data->attr.maxlength = data->attr.tlength;
+ flags |= PA_STREAM_EARLY_REQUESTS;
+ flags |= PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_AUTO_TIMING_UPDATE;
+
+ switch(device->FmtType)
+ {
+ case DevFmtByte:
+ device->FmtType = DevFmtUByte;
+ /* fall-through */
+ case DevFmtUByte:
+ data->spec.format = PA_SAMPLE_U8;
+ break;
+ case DevFmtUShort:
+ device->FmtType = DevFmtShort;
+ /* fall-through */
+ case DevFmtShort:
+ data->spec.format = PA_SAMPLE_S16NE;
+ break;
+ case DevFmtFloat:
+ data->spec.format = PA_SAMPLE_FLOAT32NE;
+ break;
+ }
+ data->spec.rate = device->Frequency;
+ data->spec.channels = ChannelsFromDevFmt(device->FmtChans);
+
+ if(pa_sample_spec_valid(&data->spec) == 0)
+ {
+ ERR("Invalid sample format\n");
+ pa_threaded_mainloop_unlock(data->loop);
+ return ALC_FALSE;
+ }
+
+ if(!pa_channel_map_init_auto(&chanmap, data->spec.channels, PA_CHANNEL_MAP_WAVEEX))
+ {
+ ERR("Couldn't build map for channel count (%d)!\n", data->spec.channels);
+ pa_threaded_mainloop_unlock(data->loop);
+ return ALC_FALSE;
+ }
+ SetDefaultWFXChannelOrder(device);
+
+ data->stream = connect_playback_stream(device, flags, &data->attr, &data->spec, &chanmap);
+ if(!data->stream)
+ {
+ pa_threaded_mainloop_unlock(data->loop);
+ return ALC_FALSE;
+ }
+
+ pa_stream_set_state_callback(data->stream, stream_state_callback2, device);
+
+ data->spec = *(pa_stream_get_sample_spec(data->stream));
+ if(device->Frequency != data->spec.rate)
+ {
+ pa_operation *o;
+
+ if((device->Flags&DEVICE_FREQUENCY_REQUEST))
+ ERR("Failed to set frequency %dhz, got %dhz instead\n", device->Frequency, data->spec.rate);
+ device->Flags &= ~DEVICE_FREQUENCY_REQUEST;
+
+ /* Server updated our playback rate, so modify the buffer attribs
+ * accordingly. */
+ data->attr.minreq = (ALuint64)(data->attr.minreq/data->frame_size) *
+ data->spec.rate / device->Frequency * data->frame_size;
+ data->attr.tlength = data->attr.minreq * device->NumUpdates;
+ data->attr.maxlength = data->attr.tlength;
+
+ o = pa_stream_set_buffer_attr(data->stream, &data->attr,
+ stream_success_callback, device);
+ while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
+ pa_threaded_mainloop_wait(data->loop);
+ pa_operation_unref(o);
+
+ device->Frequency = data->spec.rate;
+ }
+
+ stream_buffer_attr_callback(data->stream, device);
+#if PA_CHECK_VERSION(0,9,15)
+ if(pa_stream_set_buffer_attr_callback)
+ pa_stream_set_buffer_attr_callback(data->stream, stream_buffer_attr_callback, device);
+#endif
+ pa_stream_set_moved_callback(data->stream, stream_device_callback, device);
+ pa_stream_set_write_callback(data->stream, stream_write_callback, device);
+ pa_stream_set_underflow_callback(data->stream, stream_signal_callback, device);
+
+ data->thread = StartThread(PulseProc, device);
+ if(!data->thread)
+ {
+#if PA_CHECK_VERSION(0,9,15)
+ if(pa_stream_set_buffer_attr_callback)
+ pa_stream_set_buffer_attr_callback(data->stream, NULL, NULL);
+#endif
+ pa_stream_set_moved_callback(data->stream, NULL, NULL);
+ pa_stream_set_write_callback(data->stream, NULL, NULL);
+ pa_stream_set_underflow_callback(data->stream, NULL, NULL);
+ pa_stream_disconnect(data->stream);
+ pa_stream_unref(data->stream);
+ data->stream = NULL;
+
+ pa_threaded_mainloop_unlock(data->loop);
+ return ALC_FALSE;
+ }
+
+ pa_threaded_mainloop_unlock(data->loop);
+ return ALC_TRUE;
+} //}}}
+
+static void pulse_stop_playback(ALCdevice *device) //{{{
+{
+ pulse_data *data = device->ExtraData;
+
+ if(!data->stream)
+ return;
+
+ data->killNow = AL_TRUE;
+ if(data->thread)
+ {
+ pa_threaded_mainloop_signal(data->loop, 0);
+ StopThread(data->thread);
+ data->thread = NULL;
+ }
+ data->killNow = AL_FALSE;
+
+ pa_threaded_mainloop_lock(data->loop);
+
+#if PA_CHECK_VERSION(0,9,15)
+ if(pa_stream_set_buffer_attr_callback)
+ pa_stream_set_buffer_attr_callback(data->stream, NULL, NULL);
+#endif
+ pa_stream_set_moved_callback(data->stream, NULL, NULL);
+ pa_stream_set_write_callback(data->stream, NULL, NULL);
+ pa_stream_set_underflow_callback(data->stream, NULL, NULL);
+ pa_stream_disconnect(data->stream);
+ pa_stream_unref(data->stream);
+ data->stream = NULL;
+
+ pa_threaded_mainloop_unlock(data->loop);
+} //}}}
+
+
+static ALCboolean pulse_open_capture(ALCdevice *device, const ALCchar *device_name) //{{{
+{
+ char *pulse_name = NULL;
+ pulse_data *data;
+ pa_stream_flags_t flags = 0;
+ pa_stream_state_t state;
+ pa_channel_map chanmap;
+
+ if(!allCaptureDevNameMap)
+ probe_devices(AL_TRUE);
+
+ if(!device_name && numCaptureDevNames > 0)
+ device_name = allCaptureDevNameMap[0].name;
+ else
+ {
+ ALuint i;
+
+ for(i = 0;i < numCaptureDevNames;i++)
+ {
+ if(strcmp(device_name, allCaptureDevNameMap[i].name) == 0)
+ {
+ pulse_name = allCaptureDevNameMap[i].device_name;
+ break;
+ }
+ }
+ if(i == numCaptureDevNames)
+ return ALC_FALSE;
+ }
+
+ if(pulse_open(device, device_name) == ALC_FALSE)
+ return ALC_FALSE;
+
+ data = device->ExtraData;
+ pa_threaded_mainloop_lock(data->loop);
+
+ data->samples = device->UpdateSize * device->NumUpdates;
+ data->frame_size = FrameSizeFromDevFmt(device->FmtChans, device->FmtType);
+ if(data->samples < 100 * device->Frequency / 1000)
+ data->samples = 100 * device->Frequency / 1000;
+
+ if(!(data->ring = CreateRingBuffer(data->frame_size, data->samples)))
+ {
+ pa_threaded_mainloop_unlock(data->loop);
+ goto fail;
+ }
+
+ data->attr.minreq = -1;
+ data->attr.prebuf = -1;
+ data->attr.maxlength = data->samples * data->frame_size;
+ data->attr.tlength = -1;
+ data->attr.fragsize = minu(data->samples, 50*device->Frequency/1000) *
+ data->frame_size;
+
+ data->spec.rate = device->Frequency;
+ data->spec.channels = ChannelsFromDevFmt(device->FmtChans);
+
+ switch(device->FmtType)
+ {
+ case DevFmtUByte:
+ data->spec.format = PA_SAMPLE_U8;
+ break;
+ case DevFmtShort:
+ data->spec.format = PA_SAMPLE_S16NE;
+ break;
+ case DevFmtFloat:
+ data->spec.format = PA_SAMPLE_FLOAT32NE;
+ break;
+ case DevFmtByte:
+ case DevFmtUShort:
+ ERR("Capture format type %#x capture not supported on PulseAudio\n", device->FmtType);
+ pa_threaded_mainloop_unlock(data->loop);
+ goto fail;
+ }
+
+ if(pa_sample_spec_valid(&data->spec) == 0)
+ {
+ ERR("Invalid sample format\n");
+ pa_threaded_mainloop_unlock(data->loop);
+ goto fail;
+ }
+
+ if(!pa_channel_map_init_auto(&chanmap, data->spec.channels, PA_CHANNEL_MAP_WAVEEX))
+ {
+ ERR("Couldn't build map for channel count (%d)!\n", data->spec.channels);
+ pa_threaded_mainloop_unlock(data->loop);
+ goto fail;
+ }
+
+ data->stream = pa_stream_new(data->context, "Capture Stream", &data->spec, &chanmap);
+ if(!data->stream)
+ {
+ ERR("pa_stream_new() failed: %s\n",
+ pa_strerror(pa_context_errno(data->context)));
+
+ pa_threaded_mainloop_unlock(data->loop);
+ goto fail;
+ }
+
+ pa_stream_set_state_callback(data->stream, stream_state_callback, data->loop);
+
+ flags |= PA_STREAM_START_CORKED|PA_STREAM_ADJUST_LATENCY;
+ if(pa_stream_connect_record(data->stream, pulse_name, &data->attr, flags) < 0)
+ {
+ ERR("Stream did not connect: %s\n",
+ pa_strerror(pa_context_errno(data->context)));
+
+ pa_stream_unref(data->stream);
+ data->stream = NULL;
+
+ pa_threaded_mainloop_unlock(data->loop);
+ goto fail;
+ }
+
+ while((state=pa_stream_get_state(data->stream)) != PA_STREAM_READY)
+ {
+ if(!PA_STREAM_IS_GOOD(state))
+ {
+ ERR("Stream did not get ready: %s\n",
+ pa_strerror(pa_context_errno(data->context)));
+
+ pa_stream_unref(data->stream);
+ data->stream = NULL;
+
+ pa_threaded_mainloop_unlock(data->loop);
+ goto fail;
+ }
+
+ pa_threaded_mainloop_wait(data->loop);
+ }
+ pa_stream_set_state_callback(data->stream, stream_state_callback2, device);
+
+ pa_threaded_mainloop_unlock(data->loop);
+ return ALC_TRUE;
+
+fail:
+ pulse_close(device);
+ return ALC_FALSE;
+} //}}}
+
+static void pulse_close_capture(ALCdevice *device) //{{{
+{
+ pulse_close(device);
+} //}}}
+
+static void pulse_start_capture(ALCdevice *device) //{{{
+{
+ pulse_data *data = device->ExtraData;
+ pa_operation *o;
+
+ pa_threaded_mainloop_lock(data->loop);
+ o = pa_stream_cork(data->stream, 0, stream_success_callback, device);
+ while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
+ pa_threaded_mainloop_wait(data->loop);
+ pa_operation_unref(o);
+ pa_threaded_mainloop_unlock(data->loop);
+} //}}}
+
+static void pulse_stop_capture(ALCdevice *device) //{{{
+{
+ pulse_data *data = device->ExtraData;
+ pa_operation *o;
+
+ pa_threaded_mainloop_lock(data->loop);
+ o = pa_stream_cork(data->stream, 1, stream_success_callback, device);
+ while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
+ pa_threaded_mainloop_wait(data->loop);
+ pa_operation_unref(o);
+ pa_threaded_mainloop_unlock(data->loop);
+} //}}}
+
+static ALCuint pulse_available_samples(ALCdevice *device) //{{{
+{
+ pulse_data *data = device->ExtraData;
+ size_t samples;
+
+ pa_threaded_mainloop_lock(data->loop);
+ /* Capture is done in fragment-sized chunks, so we loop until we get all
+ * that's available */
+ samples = (device->Connected ? pa_stream_readable_size(data->stream) : 0);
+ while(samples > 0)
+ {
+ const void *buf;
+ size_t length;
+
+ if(pa_stream_peek(data->stream, &buf, &length) < 0)
+ {
+ ERR("pa_stream_peek() failed: %s\n",
+ pa_strerror(pa_context_errno(data->context)));
+ break;
+ }
+
+ WriteRingBuffer(data->ring, buf, length/data->frame_size);
+ samples -= length;
+
+ pa_stream_drop(data->stream);
+ }
+ pa_threaded_mainloop_unlock(data->loop);
+
+ return RingBufferSize(data->ring);
+} //}}}
+
+static void pulse_capture_samples(ALCdevice *device, ALCvoid *buffer, ALCuint samples) //{{{
+{
+ pulse_data *data = device->ExtraData;
+
+ if(pulse_available_samples(device) >= samples)
+ ReadRingBuffer(data->ring, buffer, samples);
+ else
+ alcSetError(device, ALC_INVALID_VALUE);
+} //}}}
+
+
+static const BackendFuncs pulse_funcs = { //{{{
+ pulse_open_playback,
+ pulse_close_playback,
+ pulse_reset_playback,
+ pulse_stop_playback,
+ pulse_open_capture,
+ pulse_close_capture,
+ pulse_start_capture,
+ pulse_stop_capture,
+ pulse_capture_samples,
+ pulse_available_samples
+}; //}}}
+
+ALCboolean alc_pulse_init(BackendFuncs *func_list) //{{{
+{
+ if(!pulse_load())
+ return ALC_FALSE;
+
+ *func_list = pulse_funcs;
+
+ pulse_ctx_flags = 0;
+ if(!GetConfigValueBool("pulse", "spawn-server", 0))
+ pulse_ctx_flags |= PA_CONTEXT_NOAUTOSPAWN;
+
+ return ALC_TRUE;
+} //}}}
+
+void alc_pulse_deinit(void) //{{{
+{
+ ALuint i;
+
+ for(i = 0;i < numDevNames;++i)
+ {
+ free(allDevNameMap[i].name);
+ free(allDevNameMap[i].device_name);
+ }
+ free(allDevNameMap);
+ allDevNameMap = NULL;
+ numDevNames = 0;
+
+ for(i = 0;i < numCaptureDevNames;++i)
+ {
+ free(allCaptureDevNameMap[i].name);
+ free(allCaptureDevNameMap[i].device_name);
+ }
+ free(allCaptureDevNameMap);
+ allCaptureDevNameMap = NULL;
+ numCaptureDevNames = 0;
+
+#ifdef HAVE_DYNLOAD
+ if(pa_handle)
+ CloseLib(pa_handle);
+ pa_handle = NULL;
+#endif
+} //}}}
+
+void alc_pulse_probe(enum DevProbe type) //{{{
+{
+ pa_threaded_mainloop *loop;
+ ALuint i;
+
+ switch(type)
+ {
+ case DEVICE_PROBE:
+ if((loop=pa_threaded_mainloop_new()) &&
+ pa_threaded_mainloop_start(loop) >= 0)
+ {
+ pa_context *context;
+
+ pa_threaded_mainloop_lock(loop);
+ context = connect_context(loop, AL_FALSE);
+ if(context)
+ {
+ AppendDeviceList(pulse_device);
+
+ pa_context_disconnect(context);
+ pa_context_unref(context);
+ }
+ pa_threaded_mainloop_unlock(loop);
+ pa_threaded_mainloop_stop(loop);
+ }
+ if(loop)
+ pa_threaded_mainloop_free(loop);
+ break;
+
+ case ALL_DEVICE_PROBE:
+ for(i = 0;i < numDevNames;++i)
+ {
+ free(allDevNameMap[i].name);
+ free(allDevNameMap[i].device_name);
+ }
+ free(allDevNameMap);
+ allDevNameMap = NULL;
+ numDevNames = 0;
+
+ probe_devices(AL_FALSE);
+
+ for(i = 0;i < numDevNames;i++)
+ AppendAllDeviceList(allDevNameMap[i].name);
+ break;
+
+ case CAPTURE_DEVICE_PROBE:
+ for(i = 0;i < numCaptureDevNames;++i)
+ {
+ free(allCaptureDevNameMap[i].name);
+ free(allCaptureDevNameMap[i].device_name);
+ }
+ free(allCaptureDevNameMap);
+ allCaptureDevNameMap = NULL;
+ numCaptureDevNames = 0;
+
+ probe_devices(AL_TRUE);
+
+ for(i = 0;i < numCaptureDevNames;i++)
+ AppendCaptureDeviceList(allCaptureDevNameMap[i].name);
+ break;
+ }
+} //}}}
+//}}}