diff options
Diffstat (limited to 'indra/media_plugins/webkit/linux_volume_catcher.cpp')
| -rw-r--r-- | indra/media_plugins/webkit/linux_volume_catcher.cpp | 112 |
1 files changed, 46 insertions, 66 deletions
diff --git a/indra/media_plugins/webkit/linux_volume_catcher.cpp b/indra/media_plugins/webkit/linux_volume_catcher.cpp index 52ab766f7f..91be3a89e9 100644 --- a/indra/media_plugins/webkit/linux_volume_catcher.cpp +++ b/indra/media_plugins/webkit/linux_volume_catcher.cpp @@ -3,30 +3,25 @@ * @brief A Linux-specific, PulseAudio-specific hack to detect and volume-adjust new audio sources * * @cond - * $LicenseInfo:firstyear=2010&license=viewergpl$ - * - * Copyright (c) 2010, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2010&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlife.com/developers/opensource/gplv2 + * Copyright (C) 2010, Linden Research, Inc. + * + * This library 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; + * version 2.1 of the License only. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at http://secondlife.com/developers/opensource/flossexception + * 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 + * Lesser General Public License for more details. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ * @endcond */ @@ -42,13 +37,12 @@ #include "linden_common.h" -#include "linux_volume_catcher.h" +#include "volume_catcher.h" -#if LL_PULSEAUDIO_ENABLED - extern "C" { #include <glib.h> +#include <glib-object.h> #include <pulse/introspect.h> #include <pulse/context.h> @@ -161,11 +155,11 @@ extern "C" { } -class LinuxVolumeCatcherImpl +class VolumeCatcherImpl { public: - LinuxVolumeCatcherImpl(); - ~LinuxVolumeCatcherImpl(); + VolumeCatcherImpl(); + ~VolumeCatcherImpl(); void setVolume(F32 volume); void pump(void); @@ -189,7 +183,7 @@ public: bool mGotSyms; }; -LinuxVolumeCatcherImpl::LinuxVolumeCatcherImpl() +VolumeCatcherImpl::VolumeCatcherImpl() : mDesiredVolume(0.0f), mMainloop(NULL), mPAContext(NULL), @@ -199,17 +193,17 @@ LinuxVolumeCatcherImpl::LinuxVolumeCatcherImpl() init(); } -LinuxVolumeCatcherImpl::~LinuxVolumeCatcherImpl() +VolumeCatcherImpl::~VolumeCatcherImpl() { cleanup(); } -bool LinuxVolumeCatcherImpl::loadsyms(std::string pulse_dso_name) +bool VolumeCatcherImpl::loadsyms(std::string pulse_dso_name) { return grab_pa_syms(pulse_dso_name); } -void LinuxVolumeCatcherImpl::init() +void VolumeCatcherImpl::init() { // try to be as defensive as possible because PA's interface is a // bit fragile and (for our purposes) we'd rather simply not function @@ -222,6 +216,10 @@ void LinuxVolumeCatcherImpl::init() mGotSyms = loadsyms("libpulse-mainloop-glib.so.0"); if (!mGotSyms) return; + // better make double-sure glib itself is initialized properly. + if (!g_thread_supported ()) g_thread_init (NULL); + g_type_init(); + mMainloop = llpa_glib_mainloop_new(g_main_context_default()); if (mMainloop) { @@ -262,7 +260,7 @@ void LinuxVolumeCatcherImpl::init() } } -void LinuxVolumeCatcherImpl::cleanup() +void VolumeCatcherImpl::cleanup() { mConnected = false; @@ -280,7 +278,7 @@ void LinuxVolumeCatcherImpl::cleanup() mMainloop = NULL; } -void LinuxVolumeCatcherImpl::setVolume(F32 volume) +void VolumeCatcherImpl::setVolume(F32 volume) { mDesiredVolume = volume; @@ -294,13 +292,13 @@ void LinuxVolumeCatcherImpl::setVolume(F32 volume) pump(); } -void LinuxVolumeCatcherImpl::pump() +void VolumeCatcherImpl::pump() { gboolean may_block = FALSE; g_main_context_iteration(g_main_context_default(), may_block); } -void LinuxVolumeCatcherImpl::connected_okay() +void VolumeCatcherImpl::connected_okay() { pa_operation *op; @@ -324,7 +322,7 @@ void LinuxVolumeCatcherImpl::connected_okay() } } -void LinuxVolumeCatcherImpl::update_all_volumes(F32 volume) +void VolumeCatcherImpl::update_all_volumes(F32 volume) { for (std::set<U32>::iterator it = mSinkInputIndices.begin(); it != mSinkInputIndices.end(); ++it) @@ -333,7 +331,7 @@ void LinuxVolumeCatcherImpl::update_all_volumes(F32 volume) } } -void LinuxVolumeCatcherImpl::update_index_volume(U32 index, F32 volume) +void VolumeCatcherImpl::update_index_volume(U32 index, F32 volume) { static pa_cvolume cvol; llpa_cvolume_set(&cvol, mSinkInputNumChannels[index], @@ -355,7 +353,7 @@ void LinuxVolumeCatcherImpl::update_index_volume(U32 index, F32 volume) void callback_discovered_sinkinput(pa_context *context, const pa_sink_input_info *sii, int eol, void *userdata) { - LinuxVolumeCatcherImpl *impl = dynamic_cast<LinuxVolumeCatcherImpl*>((LinuxVolumeCatcherImpl*)userdata); + VolumeCatcherImpl *impl = dynamic_cast<VolumeCatcherImpl*>((VolumeCatcherImpl*)userdata); llassert(impl); if (0 == eol) @@ -386,7 +384,7 @@ void callback_discovered_sinkinput(pa_context *context, const pa_sink_input_info void callback_subscription_alert(pa_context *context, pa_subscription_event_type_t t, uint32_t index, void *userdata) { - LinuxVolumeCatcherImpl *impl = dynamic_cast<LinuxVolumeCatcherImpl*>((LinuxVolumeCatcherImpl*)userdata); + VolumeCatcherImpl *impl = dynamic_cast<VolumeCatcherImpl*>((VolumeCatcherImpl*)userdata); llassert(impl); switch (t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) { @@ -420,7 +418,7 @@ void callback_subscription_alert(pa_context *context, pa_subscription_event_type void callback_context_state(pa_context *context, void *userdata) { - LinuxVolumeCatcherImpl *impl = dynamic_cast<LinuxVolumeCatcherImpl*>((LinuxVolumeCatcherImpl*)userdata); + VolumeCatcherImpl *impl = dynamic_cast<VolumeCatcherImpl*>((VolumeCatcherImpl*)userdata); llassert(impl); switch (llpa_context_get_state(context)) @@ -441,48 +439,30 @@ void callback_context_state(pa_context *context, void *userdata) ///////////////////////////////////////////////////// -LinuxVolumeCatcher::LinuxVolumeCatcher() +VolumeCatcher::VolumeCatcher() { - pimpl = new LinuxVolumeCatcherImpl(); + pimpl = new VolumeCatcherImpl(); } -LinuxVolumeCatcher::~LinuxVolumeCatcher() +VolumeCatcher::~VolumeCatcher() { delete pimpl; pimpl = NULL; } -void LinuxVolumeCatcher::setVolume(F32 volume) +void VolumeCatcher::setVolume(F32 volume) { llassert(pimpl); pimpl->setVolume(volume); } -void LinuxVolumeCatcher::pump() -{ - llassert(pimpl); - pimpl->pump(); -} - -#else // !LL_PULSEAUDIO_ENABLED - -// stub. - -LinuxVolumeCatcher::LinuxVolumeCatcher() -{ - pimpl = NULL; -} - -LinuxVolumeCatcher::~LinuxVolumeCatcher() +void VolumeCatcher::setPan(F32 pan) { + // TODO: implement this (if possible) } -void LinuxVolumeCatcher::setVolume(F32 volume) -{ -} - -void LinuxVolumeCatcher::pump() +void VolumeCatcher::pump() { + llassert(pimpl); + pimpl->pump(); } - -#endif // LL_PULSEAUDIO_ENABLED |