diff options
Diffstat (limited to 'indra/media_plugins/webkit')
| -rw-r--r-- | indra/media_plugins/webkit/CMakeLists.txt | 16 | ||||
| -rw-r--r-- | indra/media_plugins/webkit/dummy_volume_catcher.cpp | 63 | ||||
| -rw-r--r-- | indra/media_plugins/webkit/linux_volume_catcher.cpp | 72 | ||||
| -rw-r--r-- | indra/media_plugins/webkit/mac_volume_catcher.cpp | 273 | ||||
| -rw-r--r-- | indra/media_plugins/webkit/media_plugin_webkit.cpp | 16 | ||||
| -rw-r--r-- | indra/media_plugins/webkit/volume_catcher.h | 59 |
6 files changed, 439 insertions, 60 deletions
diff --git a/indra/media_plugins/webkit/CMakeLists.txt b/indra/media_plugins/webkit/CMakeLists.txt index 9f66a77c64..4f183cddeb 100644 --- a/indra/media_plugins/webkit/CMakeLists.txt +++ b/indra/media_plugins/webkit/CMakeLists.txt @@ -45,12 +45,24 @@ set(media_plugin_webkit_LINK_LIBRARIES ${PULSEAUDIO_LIBRARIES} ) -if (LINUX) +# Select which VolumeCatcher implementation to use +if (LINUX AND PULSEAUDIO) list(APPEND media_plugin_webkit_SOURCE_FILES linux_volume_catcher.cpp) list(APPEND media_plugin_webkit_LINK_LIBRARIES ${UI_LIBRARIES} # for glib/GTK ) -endif (LINUX) +elseif (DARWIN) + list(APPEND media_plugin_webkit_SOURCE_FILES mac_volume_catcher.cpp) + find_library(CORESERVICES_LIBRARY CoreServices) + find_library(AUDIOUNIT_LIBRARY AudioUnit) + list(APPEND media_plugin_webkit_LINK_LIBRARIES + ${CORESERVICES_LIBRARY} # for Component Manager calls + ${AUDIOUNIT_LIBRARY} # for AudioUnit calls + ) +else (LINUX AND PULSEAUDIO) + # All other platforms use the dummy volume catcher for now. + list(APPEND media_plugin_webkit_SOURCE_FILES dummy_volume_catcher.cpp) +endif (LINUX AND PULSEAUDIO) add_library(media_plugin_webkit SHARED diff --git a/indra/media_plugins/webkit/dummy_volume_catcher.cpp b/indra/media_plugins/webkit/dummy_volume_catcher.cpp new file mode 100644 index 0000000000..45b2c62eba --- /dev/null +++ b/indra/media_plugins/webkit/dummy_volume_catcher.cpp @@ -0,0 +1,63 @@ +/** + * @file dummy_volume_catcher.cpp + * @brief A null implementation of the "VolumeCatcher" class for platforms where it's not implemented yet. + * + * @cond + * $LicenseInfo:firstyear=2010&license=viewergpl$ + * + * Copyright (c) 2010, Linden Research, Inc. + * + * 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 + * + * 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 + * + * 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. + * + * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO + * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, + * COMPLETENESS OR PERFORMANCE. + * $/LicenseInfo$ + * @endcond + */ + +#include "volume_catcher.h" + + +class VolumeCatcherImpl +{ +}; + +///////////////////////////////////////////////////// + +VolumeCatcher::VolumeCatcher() +{ + pimpl = NULL; +} + +VolumeCatcher::~VolumeCatcher() +{ +} + +void VolumeCatcher::setVolume(F32 volume) +{ +} + +void VolumeCatcher::setPan(F32 pan) +{ +} + +void VolumeCatcher::pump() +{ +} + diff --git a/indra/media_plugins/webkit/linux_volume_catcher.cpp b/indra/media_plugins/webkit/linux_volume_catcher.cpp index 52ab766f7f..2e7fda865e 100644 --- a/indra/media_plugins/webkit/linux_volume_catcher.cpp +++ b/indra/media_plugins/webkit/linux_volume_catcher.cpp @@ -42,11 +42,9 @@ #include "linden_common.h" -#include "linux_volume_catcher.h" +#include "volume_catcher.h" -#if LL_PULSEAUDIO_ENABLED - extern "C" { #include <glib.h> @@ -161,11 +159,11 @@ extern "C" { } -class LinuxVolumeCatcherImpl +class VolumeCatcherImpl { public: - LinuxVolumeCatcherImpl(); - ~LinuxVolumeCatcherImpl(); + VolumeCatcherImpl(); + ~VolumeCatcherImpl(); void setVolume(F32 volume); void pump(void); @@ -189,7 +187,7 @@ public: bool mGotSyms; }; -LinuxVolumeCatcherImpl::LinuxVolumeCatcherImpl() +VolumeCatcherImpl::VolumeCatcherImpl() : mDesiredVolume(0.0f), mMainloop(NULL), mPAContext(NULL), @@ -199,17 +197,17 @@ 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 @@ -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 diff --git a/indra/media_plugins/webkit/mac_volume_catcher.cpp b/indra/media_plugins/webkit/mac_volume_catcher.cpp new file mode 100644 index 0000000000..9788f10a58 --- /dev/null +++ b/indra/media_plugins/webkit/mac_volume_catcher.cpp @@ -0,0 +1,273 @@ +/** + * @file dummy_volume_catcher.cpp + * @brief A Mac OS X specific hack to control the volume level of all audio channels opened by a process. + * + * @cond + * $LicenseInfo:firstyear=2010&license=viewergpl$ + * + * Copyright (c) 2010, Linden Research, Inc. + * + * 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 + * + * 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 + * + * 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. + * + * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO + * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, + * COMPLETENESS OR PERFORMANCE. + * $/LicenseInfo$ + * @endcond + */ + +/************************************************************************************************************** + This code works by using CaptureComponent to capture the "Default Output" audio component + (kAudioUnitType_Output/kAudioUnitSubType_DefaultOutput) and delegating all calls to the original component. + It does this just to keep track of all instances of the default output component, so that it can set the + kHALOutputParam_Volume parameter on all of them to adjust the output volume. +**************************************************************************************************************/ + +#include "volume_catcher.h" + +#include <Carbon/Carbon.h> +#include <QuickTime/QuickTime.h> +#include <AudioUnit/AudioUnit.h> + +struct VolumeCatcherStorage; + +class VolumeCatcherImpl +{ +public: + + void setVolume(F32 volume); + void setPan(F32 pan); + + void setInstanceVolume(VolumeCatcherStorage *instance); + + std::list<VolumeCatcherStorage*> mComponentInstances; + Component mOriginalDefaultOutput; + Component mVolumeAdjuster; + + static VolumeCatcherImpl *getInstance(); +private: + // This is a singleton class -- both callers and the component implementation should use getInstance() to find the instance. + VolumeCatcherImpl(); + static VolumeCatcherImpl *sInstance; + + // The singlar instance of this class is expected to last until the process exits. + // To ensure this, we declare the destructor here but never define it, so any code which attempts to destroy the instance will not link. + ~VolumeCatcherImpl(); + + F32 mVolume; + F32 mPan; +}; + +VolumeCatcherImpl *VolumeCatcherImpl::sInstance = NULL;; + +struct VolumeCatcherStorage +{ + ComponentInstance self; + ComponentInstance delegate; +}; + +static ComponentResult volume_catcher_component_entry(ComponentParameters *cp, Handle componentStorage); +static ComponentResult volume_catcher_component_open(VolumeCatcherStorage *storage, ComponentInstance self); +static ComponentResult volume_catcher_component_close(VolumeCatcherStorage *storage, ComponentInstance self); + +VolumeCatcherImpl *VolumeCatcherImpl::getInstance() +{ + if(!sInstance) + { + sInstance = new VolumeCatcherImpl; + } + + return sInstance; +} + +VolumeCatcherImpl::VolumeCatcherImpl() +{ + mVolume = 1.0; // default to full volume + mPan = 0.5; // and center pan + + ComponentDescription desc; + desc.componentType = kAudioUnitType_Output; + desc.componentSubType = kAudioUnitSubType_DefaultOutput; + desc.componentManufacturer = kAudioUnitManufacturer_Apple; + desc.componentFlags = 0; + desc.componentFlagsMask = 0; + + // Find the original default output component + mOriginalDefaultOutput = FindNextComponent(NULL, &desc); + + // Register our own output component with the same parameters + mVolumeAdjuster = RegisterComponent(&desc, NewComponentRoutineUPP(volume_catcher_component_entry), 0, NULL, NULL, NULL); + + // Capture the original component, so we always get found instead. + CaptureComponent(mOriginalDefaultOutput, mVolumeAdjuster); + +} + +static ComponentResult volume_catcher_component_entry(ComponentParameters *cp, Handle componentStorage) +{ + ComponentResult result = badComponentSelector; + VolumeCatcherStorage *storage = (VolumeCatcherStorage*)componentStorage; + + switch(cp->what) + { + case kComponentOpenSelect: +// std::cerr << "kComponentOpenSelect" << std::endl; + result = CallComponentFunctionWithStorageProcInfo((Handle)storage, cp, (ProcPtr)volume_catcher_component_open, uppCallComponentOpenProcInfo); + break; + + case kComponentCloseSelect: +// std::cerr << "kComponentCloseSelect" << std::endl; + result = CallComponentFunctionWithStorageProcInfo((Handle)storage, cp, (ProcPtr)volume_catcher_component_close, uppCallComponentCloseProcInfo); + // CallComponentFunctionWithStorageProcInfo + break; + + default: +// std::cerr << "Delegating selector: " << cp->what << " to component instance " << storage->delegate << std::endl; + result = DelegateComponentCall(cp, storage->delegate); + break; + } + + return result; +} + +static ComponentResult volume_catcher_component_open(VolumeCatcherStorage *storage, ComponentInstance self) +{ + ComponentResult result = noErr; + VolumeCatcherImpl *impl = VolumeCatcherImpl::getInstance(); + + storage = new VolumeCatcherStorage; + + storage->self = self; + storage->delegate = NULL; + + result = OpenAComponent(impl->mOriginalDefaultOutput, &(storage->delegate)); + + if(result != noErr) + { +// std::cerr << "OpenAComponent result = " << result << ", component ref = " << storage->delegate << std::endl; + + // If we failed to open the delagate component, our open is going to fail. Clean things up. + delete storage; + } + else + { + // Success -- set up this component's storage + SetComponentInstanceStorage(self, (Handle)storage); + + // add this instance to the global list + impl->mComponentInstances.push_back(storage); + + // and set up the initial volume + impl->setInstanceVolume(storage); + } + + return result; +} + +static ComponentResult volume_catcher_component_close(VolumeCatcherStorage *storage, ComponentInstance self) +{ + ComponentResult result = noErr; + + if(storage) + { + if(storage->delegate) + { + CloseComponent(storage->delegate); + storage->delegate = NULL; + } + + VolumeCatcherImpl *impl = VolumeCatcherImpl::getInstance(); + impl->mComponentInstances.remove(storage); + delete[] storage; + } + + return result; +} + +void VolumeCatcherImpl::setVolume(F32 volume) +{ + VolumeCatcherImpl *impl = VolumeCatcherImpl::getInstance(); + impl->mVolume = volume; + + // Iterate through all known instances, setting the volume on each. + for(std::list<VolumeCatcherStorage*>::iterator iter = mComponentInstances.begin(); iter != mComponentInstances.end(); ++iter) + { + impl->setInstanceVolume(*iter); + } +} + +void VolumeCatcherImpl::setPan(F32 pan) +{ + VolumeCatcherImpl *impl = VolumeCatcherImpl::getInstance(); + impl->mPan = pan; + + // TODO: implement this. + // This will probably require adding a "panner" audio unit to the chain somehow. + // There's also a "3d mixer" component that we might be able to use... +} + +void VolumeCatcherImpl::setInstanceVolume(VolumeCatcherStorage *instance) +{ +// std::cerr << "Setting volume on component instance: " << (instance->delegate) << " to " << mVolume << std::endl; + + OSStatus err = noErr; + + if(instance && instance->delegate) + { + err = AudioUnitSetParameter( + instance->delegate, + kHALOutputParam_Volume, + kAudioUnitScope_Global, + 0, + mVolume, + 0); + } + + if(err) + { +// std::cerr << " AudioUnitSetParameter returned " << err << std::endl; + } +} + +///////////////////////////////////////////////////// + +VolumeCatcher::VolumeCatcher() +{ + pimpl = VolumeCatcherImpl::getInstance(); +} + +VolumeCatcher::~VolumeCatcher() +{ + // Let the instance persist until exit. +} + +void VolumeCatcher::setVolume(F32 volume) +{ + pimpl->setVolume(volume); +} + +void VolumeCatcher::setPan(F32 pan) +{ + pimpl->setPan(pan); +} + +void VolumeCatcher::pump() +{ + // No periodic tasks are necessary for this implementation. +} + diff --git a/indra/media_plugins/webkit/media_plugin_webkit.cpp b/indra/media_plugins/webkit/media_plugin_webkit.cpp index 436e077e9b..47766a24cb 100644 --- a/indra/media_plugins/webkit/media_plugin_webkit.cpp +++ b/indra/media_plugins/webkit/media_plugin_webkit.cpp @@ -50,9 +50,7 @@ # define LL_QTWEBKIT_USES_PIXMAPS 0 #endif // LL_LINUX -#if LL_LINUX -# include "linux_volume_catcher.h" -#endif // LL_LINUX +# include "volume_catcher.h" #if LL_WINDOWS # include <direct.h> @@ -119,9 +117,7 @@ private: F32 mBackgroundG; F32 mBackgroundB; -#if LL_LINUX - LinuxVolumeCatcher mLinuxVolumeCatcher; -#endif // LL_LINUX + VolumeCatcher mVolumeCatcher; void setInitState(int state) { @@ -135,9 +131,7 @@ private: { LLQtWebKit::getInstance()->pump( milliseconds ); -#if LL_LINUX - mLinuxVolumeCatcher.pump(); -#endif // LL_LINUX + mVolumeCatcher.pump(); checkEditState(); @@ -1139,9 +1133,7 @@ void MediaPluginWebKit::receiveMessage(const char *message_string) void MediaPluginWebKit::setVolume(F32 volume) { -#if LL_LINUX - mLinuxVolumeCatcher.setVolume(volume); -#endif // LL_LINUX + mVolumeCatcher.setVolume(volume); } int init_media_plugin(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data, LLPluginInstance::sendMessageFunction *plugin_send_func, void **plugin_user_data) diff --git a/indra/media_plugins/webkit/volume_catcher.h b/indra/media_plugins/webkit/volume_catcher.h new file mode 100644 index 0000000000..77b10cfed0 --- /dev/null +++ b/indra/media_plugins/webkit/volume_catcher.h @@ -0,0 +1,59 @@ +/** + * @file volume_catcher.h + * @brief Interface to a class with platform-specific implementations that allows control of the audio volume of all sources in the current process. + * + * @cond + * $LicenseInfo:firstyear=2010&license=viewergpl$ + * + * Copyright (c) 2010, Linden Research, Inc. + * + * 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 + * + * 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 + * + * 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. + * + * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO + * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, + * COMPLETENESS OR PERFORMANCE. + * $/LicenseInfo$ + * @endcond + */ + +#ifndef VOLUME_CATCHER_H +#define VOLUME_CATCHER_H + +#include "linden_common.h" + +class VolumeCatcherImpl; + +class VolumeCatcher +{ + public: + VolumeCatcher(); + ~VolumeCatcher(); + + void setVolume(F32 volume); // 0.0 - 1.0 + + // Set the left-right pan of audio sources + // where -1.0 = left, 0 = center, and 1.0 = right + void setPan(F32 pan); + + void pump(); // call this at least a few times a second if you can - it affects how quickly we can 'catch' a new audio source and adjust its volume + + private: + VolumeCatcherImpl *pimpl; +}; + +#endif // VOLUME_CATCHER_H |