michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim:set ts=2 sw=2 sts=2 et cindent: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: #include "mozilla/Preferences.h"
michael@0: #include "mozilla/dom/TimeRanges.h"
michael@0: #include "MediaResource.h"
michael@0: #include "mozilla/dom/HTMLMediaElement.h"
michael@0: #include "MediaPluginHost.h"
michael@0: #include "nsXPCOMStrings.h"
michael@0: #include "nsISeekableStream.h"
michael@0: #include "MediaPluginReader.h"
michael@0: #include "nsIGfxInfo.h"
michael@0: #include "gfxCrashReporterUtils.h"
michael@0: #include "prmem.h"
michael@0: #include "prlink.h"
michael@0: #include "MediaResourceServer.h"
michael@0: #include "nsServiceManagerUtils.h"
michael@0: 
michael@0: #include "MPAPI.h"
michael@0: 
michael@0: #include "nsIPropertyBag2.h"
michael@0: 
michael@0: #if defined(ANDROID) || defined(MOZ_WIDGET_GONK)
michael@0: #include "android/log.h"
michael@0: #define ALOG(args...)  __android_log_print(ANDROID_LOG_INFO, "MediaPluginHost" , ## args)
michael@0: #else
michael@0: #define ALOG(args...) /* do nothing */
michael@0: #endif
michael@0: 
michael@0: using namespace MPAPI;
michael@0: 
michael@0: Decoder::Decoder() :
michael@0:   mResource(nullptr), mPrivate(nullptr)
michael@0: {
michael@0: }
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: static char* GetResource(Decoder *aDecoder)
michael@0: {
michael@0:   return static_cast<char*>(aDecoder->mResource);
michael@0: }
michael@0: 
michael@0: class GetIntPrefEvent : public nsRunnable {
michael@0: public:
michael@0:   GetIntPrefEvent(const char* aPref, int32_t* aResult)
michael@0:     : mPref(aPref), mResult(aResult) {}
michael@0:   NS_IMETHOD Run() {
michael@0:     return Preferences::GetInt(mPref, mResult);
michael@0:   }
michael@0: private:
michael@0:   const char* mPref;
michael@0:   int32_t*    mResult;
michael@0: };
michael@0: 
michael@0: static bool GetIntPref(const char* aPref, int32_t* aResult)
michael@0: {
michael@0:   // GetIntPref() is called on the decoder thread, but the Preferences API
michael@0:   // can only be called on the main thread. Post a runnable and wait.
michael@0:   NS_ENSURE_TRUE(aPref, false);
michael@0:   NS_ENSURE_TRUE(aResult, false);
michael@0:   nsCOMPtr<nsIRunnable> event = new GetIntPrefEvent(aPref, aResult);
michael@0:   return NS_SUCCEEDED(NS_DispatchToMainThread(event, NS_DISPATCH_SYNC));
michael@0: }
michael@0: 
michael@0: static bool
michael@0: GetSystemInfoString(const char *aKey, char *aResult, size_t aResultLength)
michael@0: {
michael@0:   NS_ENSURE_TRUE(aKey, false);
michael@0:   NS_ENSURE_TRUE(aResult, false);
michael@0: 
michael@0:   nsCOMPtr<nsIPropertyBag2> infoService = do_GetService("@mozilla.org/system-info;1");
michael@0:   NS_ASSERTION(infoService, "Could not find a system info service");
michael@0: 
michael@0:   nsAutoCString key(aKey);
michael@0:   nsAutoCString info;
michael@0:   nsresult rv = infoService->GetPropertyAsACString(NS_ConvertUTF8toUTF16(key),
michael@0:                                                   info);
michael@0: 
michael@0:   NS_ENSURE_SUCCESS(rv, false);
michael@0: 
michael@0:   strncpy(aResult, info.get(), aResultLength);
michael@0: 
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: static PluginHost sPluginHost = {
michael@0:   nullptr,
michael@0:   nullptr,
michael@0:   nullptr,
michael@0:   nullptr,
michael@0:   GetIntPref,
michael@0:   GetSystemInfoString
michael@0: };
michael@0: 
michael@0: // Return true if Omx decoding is supported on the device. This checks the
michael@0: // built in whitelist/blacklist and preferences to see if that is overridden.
michael@0: static bool IsOmxSupported()
michael@0: {
michael@0:   bool forceEnabled =
michael@0:       Preferences::GetBool("stagefright.force-enabled", false);
michael@0:   bool disabled =
michael@0:       Preferences::GetBool("stagefright.disabled", false);
michael@0: 
michael@0:   if (disabled) {
michael@0:     NS_WARNING("XXX stagefright disabled\n");
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   ScopedGfxFeatureReporter reporter("Stagefright", forceEnabled);
michael@0: 
michael@0:   if (!forceEnabled) {
michael@0:     nsCOMPtr<nsIGfxInfo> gfxInfo = do_GetService("@mozilla.org/gfx/info;1");
michael@0:     if (gfxInfo) {
michael@0:       int32_t status;
michael@0:       if (NS_SUCCEEDED(gfxInfo->GetFeatureStatus(nsIGfxInfo::FEATURE_STAGEFRIGHT, &status))) {
michael@0:         if (status != nsIGfxInfo::FEATURE_NO_INFO) {
michael@0:           NS_WARNING("XXX stagefright blacklisted\n");
michael@0:           return false;
michael@0:         }
michael@0:       }
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   reporter.SetSuccessful();
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: // Return the name of the shared library that implements Omx based decoding. This varies
michael@0: // depending on libstagefright version installed on the device and whether it is B2G vs Android.
michael@0: // nullptr is returned if Omx decoding is not supported on the device,
michael@0: static const char* GetOmxLibraryName()
michael@0: {
michael@0: #if defined(ANDROID) && !defined(MOZ_WIDGET_GONK)
michael@0:   nsCOMPtr<nsIPropertyBag2> infoService = do_GetService("@mozilla.org/system-info;1");
michael@0:   NS_ASSERTION(infoService, "Could not find a system info service");
michael@0: 
michael@0:   int32_t version;
michael@0:   nsresult rv = infoService->GetPropertyAsInt32(NS_LITERAL_STRING("version"), &version);
michael@0:   if (NS_SUCCEEDED(rv)) {
michael@0:     ALOG("Android Version is: %d", version);
michael@0:   }
michael@0: 
michael@0:   nsAutoString release_version;
michael@0:   rv = infoService->GetPropertyAsAString(NS_LITERAL_STRING("release_version"), release_version);
michael@0:   if (NS_SUCCEEDED(rv)) {
michael@0:     ALOG("Android Release Version is: %s", NS_LossyConvertUTF16toASCII(release_version).get());
michael@0:   }
michael@0: 
michael@0:   nsAutoString device;
michael@0:   rv = infoService->GetPropertyAsAString(NS_LITERAL_STRING("device"), device);
michael@0:   if (NS_SUCCEEDED(rv)) {
michael@0:     ALOG("Android Device is: %s", NS_LossyConvertUTF16toASCII(device).get());
michael@0:   }
michael@0: 
michael@0:   nsAutoString manufacturer;
michael@0:   rv = infoService->GetPropertyAsAString(NS_LITERAL_STRING("manufacturer"), manufacturer);
michael@0:   if (NS_SUCCEEDED(rv)) {
michael@0:     ALOG("Android Manufacturer is: %s", NS_LossyConvertUTF16toASCII(manufacturer).get());
michael@0:   }
michael@0: 
michael@0:   nsAutoString hardware;
michael@0:   rv = infoService->GetPropertyAsAString(NS_LITERAL_STRING("hardware"), hardware);
michael@0:   if (NS_SUCCEEDED(rv)) {
michael@0:     ALOG("Android Hardware is: %s", NS_LossyConvertUTF16toASCII(hardware).get());
michael@0:   }
michael@0: #endif
michael@0: 
michael@0:   if (!IsOmxSupported())
michael@0:     return nullptr;
michael@0: 
michael@0: #if defined(ANDROID) && !defined(MOZ_WIDGET_GONK)
michael@0:   if (version >= 17) {
michael@0:     return "libomxpluginkk.so";
michael@0:   }
michael@0:   else if (version == 13 || version == 12 || version == 11) {
michael@0:     return "libomxpluginhc.so";
michael@0:   }
michael@0:   else if (version == 10 && release_version >= NS_LITERAL_STRING("2.3.6")) {
michael@0:     // Gingerbread versions from 2.3.6 and above have a different DataSource
michael@0:     // layout to those on 2.3.5 and below.
michael@0:     return "libomxplugingb.so";
michael@0:   }
michael@0:   else if (version == 10 && release_version >= NS_LITERAL_STRING("2.3.4") &&
michael@0:            device.Find("HTC") == 0) {
michael@0:     // HTC devices running Gingerbread 2.3.4+ (HTC Desire HD, HTC Evo Design, etc) seem to
michael@0:     // use a newer version of Gingerbread libstagefright than other 2.3.4 devices.
michael@0:     return "libomxplugingb.so";
michael@0:   }
michael@0:   else if (version == 9 || (version == 10 && release_version <= NS_LITERAL_STRING("2.3.5"))) {
michael@0:     // Gingerbread versions from 2.3.5 and below have a different DataSource
michael@0:     // than 2.3.6 and above.
michael@0:     return "libomxplugingb235.so";
michael@0:   }
michael@0:   else if (version == 8) {
michael@0:     // Froyo
michael@0:     return "libomxpluginfroyo.so";
michael@0:   }
michael@0:   else if (version < 8) {
michael@0:     // Below Froyo not supported
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   // Ice Cream Sandwich and Jellybean
michael@0:   return "libomxplugin.so";
michael@0: 
michael@0: #elif defined(ANDROID) && defined(MOZ_WIDGET_GONK)
michael@0:   return "libomxplugin.so";
michael@0: #else
michael@0:   return nullptr;
michael@0: #endif
michael@0: }
michael@0: 
michael@0: MediaPluginHost::MediaPluginHost() {
michael@0:   MOZ_COUNT_CTOR(MediaPluginHost);
michael@0: 
michael@0:   mResourceServer = MediaResourceServer::Start();
michael@0: 
michael@0:   const char* name = GetOmxLibraryName();
michael@0:   ALOG("Loading OMX Plugin: %s", name ? name : "nullptr");
michael@0:   if (name) {
michael@0:     char *path = PR_GetLibraryFilePathname("libxul.so", (PRFuncPtr) GetOmxLibraryName);
michael@0:     PRLibrary *lib = nullptr;
michael@0:     if (path) {
michael@0:       nsAutoCString libpath(path);
michael@0:       PR_Free(path);
michael@0:       int32_t slash = libpath.RFindChar('/');
michael@0:       if (slash != kNotFound) {
michael@0:         libpath.Truncate(slash + 1);
michael@0:         libpath.Append(name);
michael@0:         lib = PR_LoadLibrary(libpath.get());
michael@0:       }
michael@0:     }
michael@0:     if (!lib)
michael@0:       lib = PR_LoadLibrary(name);
michael@0: 
michael@0:     if (lib) {
michael@0:       Manifest *manifest = static_cast<Manifest *>(PR_FindSymbol(lib, "MPAPI_MANIFEST"));
michael@0:       if (manifest) {
michael@0:         mPlugins.AppendElement(manifest);
michael@0:         ALOG("OMX plugin successfully loaded");
michael@0:      }
michael@0:     }
michael@0:   }
michael@0: }
michael@0: 
michael@0: MediaPluginHost::~MediaPluginHost() {
michael@0:   mResourceServer->Stop();
michael@0:   MOZ_COUNT_DTOR(MediaPluginHost);
michael@0: }
michael@0: 
michael@0: bool MediaPluginHost::FindDecoder(const nsACString& aMimeType, const char* const** aCodecs)
michael@0: {
michael@0:   const char *chars;
michael@0:   size_t len = NS_CStringGetData(aMimeType, &chars, nullptr);
michael@0:   for (size_t n = 0; n < mPlugins.Length(); ++n) {
michael@0:     Manifest *plugin = mPlugins[n];
michael@0:     const char* const *codecs;
michael@0:     if (plugin->CanDecode(chars, len, &codecs)) {
michael@0:       if (aCodecs)
michael@0:         *aCodecs = codecs;
michael@0:       return true;
michael@0:     }
michael@0:   }
michael@0:   return false;
michael@0: }
michael@0: 
michael@0: MPAPI::Decoder *MediaPluginHost::CreateDecoder(MediaResource *aResource, const nsACString& aMimeType)
michael@0: {
michael@0:   NS_ENSURE_TRUE(aResource, nullptr);
michael@0: 
michael@0:   nsAutoPtr<Decoder> decoder(new Decoder());
michael@0:   if (!decoder) {
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   const char *chars;
michael@0:   size_t len = NS_CStringGetData(aMimeType, &chars, nullptr);
michael@0:   for (size_t n = 0; n < mPlugins.Length(); ++n) {
michael@0:     Manifest *plugin = mPlugins[n];
michael@0:     const char* const *codecs;
michael@0:     if (!plugin->CanDecode(chars, len, &codecs)) {
michael@0:       continue;
michael@0:     }
michael@0: 
michael@0:     nsCString url;
michael@0:     nsresult rv = mResourceServer->AddResource(aResource, url);
michael@0:     if (NS_FAILED (rv)) continue;
michael@0: 
michael@0:     decoder->mResource = strdup(url.get());
michael@0:     if (plugin->CreateDecoder(&sPluginHost, decoder, chars, len)) {
michael@0:       aResource->AddRef();
michael@0:       return decoder.forget();
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return nullptr;
michael@0: }
michael@0: 
michael@0: void MediaPluginHost::DestroyDecoder(Decoder *aDecoder)
michael@0: {
michael@0:   aDecoder->DestroyDecoder(aDecoder);
michael@0:   char* resource = GetResource(aDecoder);
michael@0:   if (resource) {
michael@0:     // resource *shouldn't* be null, but check anyway just in case the plugin
michael@0:     // decoder does something stupid.
michael@0:     mResourceServer->RemoveResource(nsCString(resource));
michael@0:     free(resource);
michael@0:   }
michael@0:   delete aDecoder;
michael@0: }
michael@0: 
michael@0: MediaPluginHost *sMediaPluginHost = nullptr;
michael@0: MediaPluginHost *GetMediaPluginHost()
michael@0: {
michael@0:   if (!sMediaPluginHost) {
michael@0:     sMediaPluginHost = new MediaPluginHost();
michael@0:   }
michael@0:   return sMediaPluginHost;
michael@0: }
michael@0: 
michael@0: void MediaPluginHost::Shutdown()
michael@0: {
michael@0:   delete sMediaPluginHost;
michael@0:   sMediaPluginHost = nullptr;
michael@0: }
michael@0: 
michael@0: } // namespace mozilla