mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
ebd358dfd7
This patch was automatically generated by the following script:
#!/bin/bash
# Command to convert PRUnichar to char16_t
function convert() {
echo "Converting $1 to $2..."
find . ! -wholename "*nsprpub*" \
! -wholename "*security/nss*" \
! -wholename "*modules/libmar*" \
! -wholename "*/.hg*" \
! -wholename "obj-ff-dbg*" \
! -name prtypes.h \
! -name Char16.h \
-type f \
\( -iname "*.cpp" \
-o -iname "*.h" \
-o -iname "*.c" \
-o -iname "*.cc" \
-o -iname "*.idl" \
-o -iname "*.ipdl" \
-o -iname "*.ipdlh" \
-o -iname "*.mm" \) | \
xargs -n 1 sed -i -e "s/\b$1\b/$2/g"
}
convert PRUnichar char16_t
1908 lines
63 KiB
C++
1908 lines
63 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "MediaManager.h"
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#include "MediaStreamGraph.h"
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#include "GetUserMediaRequest.h"
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#include "nsHashPropertyBag.h"
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#ifdef MOZ_WIDGET_GONK
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#include "nsIAudioManager.h"
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#endif
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#include "nsIDOMFile.h"
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#include "nsIEventTarget.h"
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#include "nsIUUIDGenerator.h"
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#include "nsIScriptGlobalObject.h"
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#include "nsIPopupWindowManager.h"
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#include "nsISupportsArray.h"
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#include "nsIDocShell.h"
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#include "nsIDocument.h"
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#include "nsISupportsPrimitives.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "mozilla/dom/ContentChild.h"
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#include "mozilla/dom/MediaStreamTrackBinding.h"
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#include "mozilla/dom/GetUserMediaRequestBinding.h"
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#include "Latency.h"
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// For PR_snprintf
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#include "prprf.h"
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#include "nsJSUtils.h"
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#include "nsDOMFile.h"
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#include "nsGlobalWindow.h"
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#include "mozilla/Preferences.h"
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/* Using WebRTC backend on Desktops (Mac, Windows, Linux), otherwise default */
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#include "MediaEngineDefault.h"
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#if defined(MOZ_WEBRTC)
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#include "MediaEngineWebRTC.h"
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#endif
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#ifdef MOZ_WIDGET_GONK
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#include "MediaPermissionGonk.h"
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#endif
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// GetCurrentTime is defined in winbase.h as zero argument macro forwarding to
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// GetTickCount() and conflicts with MediaStream::GetCurrentTime.
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#ifdef GetCurrentTime
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#undef GetCurrentTime
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#endif
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namespace mozilla {
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#ifdef LOG
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#undef LOG
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#endif
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#ifdef PR_LOGGING
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PRLogModuleInfo*
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GetMediaManagerLog()
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{
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static PRLogModuleInfo *sLog;
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if (!sLog)
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sLog = PR_NewLogModule("MediaManager");
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return sLog;
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}
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#define LOG(msg) PR_LOG(GetMediaManagerLog(), PR_LOG_DEBUG, msg)
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#else
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#define LOG(msg)
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#endif
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using dom::MediaStreamConstraints; // Outside API (contains JSObject)
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using dom::MediaStreamConstraintsInternal; // Storable supported constraints
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using dom::MediaTrackConstraintsInternal; // Video or audio constraints
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using dom::MediaTrackConstraintSet; // Mandatory or optional constraints
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using dom::MediaTrackConstraints; // Raw mMandatory (as JSObject)
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using dom::GetUserMediaRequest;
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using dom::Sequence;
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// Used to compare raw MediaTrackConstraintSet against normalized dictionary
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// version to detect member differences, e.g. unsupported constraints.
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static nsresult CompareDictionaries(JSContext* aCx, JSObject *aA,
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const MediaTrackConstraintSet &aB,
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nsString *aDifference)
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{
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JS::Rooted<JSObject*> a(aCx, aA);
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JSAutoCompartment ac(aCx, aA);
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JS::Rooted<JS::Value> bval(aCx);
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aB.ToObject(aCx, JS::NullPtr(), &bval);
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JS::Rooted<JSObject*> b(aCx, &bval.toObject());
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// Iterate over each property in A, and check if it is in B
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JS::AutoIdArray props(aCx, JS_Enumerate(aCx, a));
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for (size_t i = 0; i < props.length(); i++) {
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JS::Rooted<JS::Value> bprop(aCx);
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if (!JS_GetPropertyById(aCx, b, props[i], &bprop)) {
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LOG(("Error parsing dictionary!\n"));
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return NS_ERROR_UNEXPECTED;
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}
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if (bprop.isUndefined()) {
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// Unknown property found in A. Bail with name
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JS::Rooted<JS::Value> nameval(aCx);
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bool success = JS_IdToValue(aCx, props[i], nameval.address());
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NS_ENSURE_TRUE(success, NS_ERROR_UNEXPECTED);
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JS::Rooted<JSString*> namestr(aCx, JS::ToString(aCx, nameval));
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NS_ENSURE_TRUE(namestr, NS_ERROR_UNEXPECTED);
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aDifference->Assign(JS_GetStringCharsZ(aCx, namestr));
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return NS_OK;
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}
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}
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aDifference->Truncate();
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return NS_OK;
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}
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// Look for and return any unknown mandatory constraint. Done by comparing
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// a raw MediaTrackConstraints against a normalized copy, both passed in.
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static nsresult ValidateTrackConstraints(
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JSContext *aCx, JSObject *aRaw,
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const MediaTrackConstraintsInternal &aNormalized,
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nsString *aOutUnknownConstraint)
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{
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// First find raw mMandatory member (use MediaTrackConstraints as helper)
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JS::Rooted<JS::Value> rawval(aCx, JS::ObjectValue(*aRaw));
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dom::RootedDictionary<MediaTrackConstraints> track(aCx);
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bool success = track.Init(aCx, rawval);
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NS_ENSURE_TRUE(success, NS_ERROR_FAILURE);
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if (track.mMandatory.WasPassed()) {
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nsresult rv = CompareDictionaries(aCx, track.mMandatory.Value(),
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aNormalized.mMandatory,
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aOutUnknownConstraint);
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NS_ENSURE_SUCCESS(rv, rv);
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}
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return NS_OK;
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}
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ErrorCallbackRunnable::ErrorCallbackRunnable(
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already_AddRefed<nsIDOMGetUserMediaSuccessCallback> aSuccess,
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already_AddRefed<nsIDOMGetUserMediaErrorCallback> aError,
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const nsAString& aErrorMsg, uint64_t aWindowID)
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: mSuccess(aSuccess)
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, mError(aError)
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, mErrorMsg(aErrorMsg)
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, mWindowID(aWindowID)
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, mManager(MediaManager::GetInstance()) {
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}
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NS_IMETHODIMP
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ErrorCallbackRunnable::Run()
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{
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// Only run if the window is still active.
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NS_ASSERTION(NS_IsMainThread(), "Only call on main thread");
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nsCOMPtr<nsIDOMGetUserMediaSuccessCallback> success(mSuccess);
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nsCOMPtr<nsIDOMGetUserMediaErrorCallback> error(mError);
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if (!(mManager->IsWindowStillActive(mWindowID))) {
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return NS_OK;
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}
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// This is safe since we're on main-thread, and the windowlist can only
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// be invalidated from the main-thread (see OnNavigation)
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error->OnError(mErrorMsg);
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return NS_OK;
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}
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/**
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* Invoke the "onSuccess" callback in content. The callback will take a
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* DOMBlob in the case of {picture:true}, and a MediaStream in the case of
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* {audio:true} or {video:true}. There is a constructor available for each
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* form. Do this only on the main thread.
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*/
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class SuccessCallbackRunnable : public nsRunnable
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{
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public:
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SuccessCallbackRunnable(
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already_AddRefed<nsIDOMGetUserMediaSuccessCallback> aSuccess,
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already_AddRefed<nsIDOMGetUserMediaErrorCallback> aError,
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nsIDOMFile* aFile, uint64_t aWindowID)
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: mSuccess(aSuccess)
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, mError(aError)
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, mFile(aFile)
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, mWindowID(aWindowID)
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, mManager(MediaManager::GetInstance()) {}
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NS_IMETHOD
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Run()
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{
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// Only run if the window is still active.
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NS_ASSERTION(NS_IsMainThread(), "Only call on main thread");
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nsCOMPtr<nsIDOMGetUserMediaSuccessCallback> success(mSuccess);
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nsCOMPtr<nsIDOMGetUserMediaErrorCallback> error(mError);
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if (!(mManager->IsWindowStillActive(mWindowID))) {
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return NS_OK;
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}
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// This is safe since we're on main-thread, and the windowlist can only
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// be invalidated from the main-thread (see OnNavigation)
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success->OnSuccess(mFile);
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return NS_OK;
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}
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private:
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already_AddRefed<nsIDOMGetUserMediaSuccessCallback> mSuccess;
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already_AddRefed<nsIDOMGetUserMediaErrorCallback> mError;
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nsCOMPtr<nsIDOMFile> mFile;
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uint64_t mWindowID;
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nsRefPtr<MediaManager> mManager; // get ref to this when creating the runnable
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};
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/**
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* Invoke the GetUserMediaDevices success callback. Wrapped in a runnable
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* so that it may be called on the main thread. The error callback is also
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* passed so it can be released correctly.
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*/
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class DeviceSuccessCallbackRunnable: public nsRunnable
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{
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public:
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DeviceSuccessCallbackRunnable(
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already_AddRefed<nsIGetUserMediaDevicesSuccessCallback> aSuccess,
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already_AddRefed<nsIDOMGetUserMediaErrorCallback> aError,
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nsTArray<nsCOMPtr<nsIMediaDevice> >* aDevices)
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: mSuccess(aSuccess)
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, mError(aError)
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, mDevices(aDevices) {}
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NS_IMETHOD
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Run()
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{
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NS_ASSERTION(NS_IsMainThread(), "Only call on main thread");
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nsCOMPtr<nsIGetUserMediaDevicesSuccessCallback> success(mSuccess);
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nsCOMPtr<nsIDOMGetUserMediaErrorCallback> error(mError);
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nsCOMPtr<nsIWritableVariant> devices =
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do_CreateInstance("@mozilla.org/variant;1");
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int32_t len = mDevices->Length();
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if (len == 0) {
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// XXX
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// We should in the future return an empty array, and dynamically add
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// devices to the dropdowns if things are hotplugged while the
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// requester is up.
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error->OnError(NS_LITERAL_STRING("NO_DEVICES_FOUND"));
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return NS_OK;
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}
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nsTArray<nsIMediaDevice*> tmp(len);
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for (int32_t i = 0; i < len; i++) {
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tmp.AppendElement(mDevices->ElementAt(i));
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}
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devices->SetAsArray(nsIDataType::VTYPE_INTERFACE,
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&NS_GET_IID(nsIMediaDevice),
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mDevices->Length(),
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const_cast<void*>(
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static_cast<const void*>(tmp.Elements())
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));
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success->OnSuccess(devices);
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return NS_OK;
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}
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private:
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already_AddRefed<nsIGetUserMediaDevicesSuccessCallback> mSuccess;
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already_AddRefed<nsIDOMGetUserMediaErrorCallback> mError;
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nsAutoPtr<nsTArray<nsCOMPtr<nsIMediaDevice> > > mDevices;
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};
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// Handle removing GetUserMediaCallbackMediaStreamListener from main thread
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class GetUserMediaListenerRemove: public nsRunnable
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{
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public:
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GetUserMediaListenerRemove(uint64_t aWindowID,
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GetUserMediaCallbackMediaStreamListener *aListener)
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: mWindowID(aWindowID)
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, mListener(aListener) {}
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NS_IMETHOD
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Run()
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{
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NS_ASSERTION(NS_IsMainThread(), "Only call on main thread");
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nsRefPtr<MediaManager> manager(MediaManager::GetInstance());
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manager->RemoveFromWindowList(mWindowID, mListener);
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return NS_OK;
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}
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protected:
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uint64_t mWindowID;
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nsRefPtr<GetUserMediaCallbackMediaStreamListener> mListener;
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};
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/**
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* nsIMediaDevice implementation.
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*/
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NS_IMPL_ISUPPORTS1(MediaDevice, nsIMediaDevice)
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MediaDevice::MediaDevice(MediaEngineVideoSource* aSource)
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: mHasFacingMode(false)
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, mSource(aSource) {
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mType.Assign(NS_LITERAL_STRING("video"));
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mSource->GetName(mName);
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mSource->GetUUID(mID);
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#ifdef MOZ_B2G_CAMERA
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if (mName.EqualsLiteral("back")) {
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mHasFacingMode = true;
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mFacingMode = dom::VideoFacingModeEnum::Environment;
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} else if (mName.EqualsLiteral("front")) {
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mHasFacingMode = true;
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mFacingMode = dom::VideoFacingModeEnum::User;
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}
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#endif // MOZ_B2G_CAMERA
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// Kludge to test user-facing cameras on OSX.
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if (mName.Find(NS_LITERAL_STRING("Face")) != -1) {
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mHasFacingMode = true;
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mFacingMode = dom::VideoFacingModeEnum::User;
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}
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}
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MediaDevice::MediaDevice(MediaEngineAudioSource* aSource)
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: mHasFacingMode(false)
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, mSource(aSource) {
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mType.Assign(NS_LITERAL_STRING("audio"));
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mSource->GetName(mName);
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mSource->GetUUID(mID);
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}
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NS_IMETHODIMP
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MediaDevice::GetName(nsAString& aName)
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{
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aName.Assign(mName);
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return NS_OK;
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}
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NS_IMETHODIMP
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MediaDevice::GetType(nsAString& aType)
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{
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aType.Assign(mType);
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return NS_OK;
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}
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NS_IMETHODIMP
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MediaDevice::GetId(nsAString& aID)
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{
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aID.Assign(mID);
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return NS_OK;
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}
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NS_IMETHODIMP
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MediaDevice::GetFacingMode(nsAString& aFacingMode)
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{
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if (mHasFacingMode) {
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aFacingMode.Assign(NS_ConvertUTF8toUTF16(
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dom::VideoFacingModeEnumValues::strings[uint32_t(mFacingMode)].value));
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} else {
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aFacingMode.Truncate(0);
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}
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return NS_OK;
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}
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MediaEngineSource*
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MediaDevice::GetSource()
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{
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return mSource;
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}
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/**
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* A subclass that we only use to stash internal pointers to MediaStreamGraph objects
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* that need to be cleaned up.
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*/
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class nsDOMUserMediaStream : public DOMLocalMediaStream
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{
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public:
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static already_AddRefed<nsDOMUserMediaStream>
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CreateTrackUnionStream(nsIDOMWindow* aWindow, uint32_t aHintContents)
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{
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nsRefPtr<nsDOMUserMediaStream> stream = new nsDOMUserMediaStream();
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stream->InitTrackUnionStream(aWindow, aHintContents);
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return stream.forget();
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}
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virtual ~nsDOMUserMediaStream()
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{
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Stop();
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if (mPort) {
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mPort->Destroy();
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}
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if (mSourceStream) {
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mSourceStream->Destroy();
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}
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}
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virtual void Stop()
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{
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if (mSourceStream) {
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mSourceStream->EndAllTrackAndFinish();
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}
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}
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// Allow getUserMedia to pass input data directly to PeerConnection/MediaPipeline
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virtual bool AddDirectListener(MediaStreamDirectListener *aListener) MOZ_OVERRIDE
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{
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if (mSourceStream) {
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mSourceStream->AddDirectListener(aListener);
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return true; // application should ignore NotifyQueuedTrackData
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}
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return false;
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}
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virtual void RemoveDirectListener(MediaStreamDirectListener *aListener) MOZ_OVERRIDE
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{
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if (mSourceStream) {
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mSourceStream->RemoveDirectListener(aListener);
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}
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}
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// let us intervene for direct listeners when someone does track.enabled = false
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virtual void SetTrackEnabled(TrackID aID, bool aEnabled) MOZ_OVERRIDE
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{
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// We encapsulate the SourceMediaStream and TrackUnion into one entity, so
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// we can handle the disabling at the SourceMediaStream
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// We need to find the input track ID for output ID aID, so we let the TrackUnion
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// forward the request to the source and translate the ID
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GetStream()->AsProcessedStream()->ForwardTrackEnabled(aID, aEnabled);
|
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}
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|
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// The actual MediaStream is a TrackUnionStream. But these resources need to be
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// explicitly destroyed too.
|
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nsRefPtr<SourceMediaStream> mSourceStream;
|
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nsRefPtr<MediaInputPort> mPort;
|
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};
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|
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/**
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* Creates a MediaStream, attaches a listener and fires off a success callback
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* to the DOM with the stream. We also pass in the error callback so it can
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* be released correctly.
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*
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* All of this must be done on the main thread!
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*
|
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* Note that the various GetUserMedia Runnable classes currently allow for
|
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* two streams. If we ever need to support getting more than two streams
|
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* at once, we could convert everything to nsTArray<nsRefPtr<blah> >'s,
|
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* though that would complicate the constructors some. Currently the
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* GetUserMedia spec does not allow for more than 2 streams to be obtained in
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* one call, to simplify handling of constraints.
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*/
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class GetUserMediaStreamRunnable : public nsRunnable
|
|
{
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public:
|
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GetUserMediaStreamRunnable(
|
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already_AddRefed<nsIDOMGetUserMediaSuccessCallback> aSuccess,
|
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already_AddRefed<nsIDOMGetUserMediaErrorCallback> aError,
|
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uint64_t aWindowID,
|
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GetUserMediaCallbackMediaStreamListener* aListener,
|
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MediaEngineSource* aAudioSource,
|
|
MediaEngineSource* aVideoSource)
|
|
: mSuccess(aSuccess)
|
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, mError(aError)
|
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, mAudioSource(aAudioSource)
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|
, mVideoSource(aVideoSource)
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|
, mWindowID(aWindowID)
|
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, mListener(aListener)
|
|
, mManager(MediaManager::GetInstance()) {}
|
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|
|
~GetUserMediaStreamRunnable() {}
|
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|
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class TracksAvailableCallback : public DOMMediaStream::OnTracksAvailableCallback
|
|
{
|
|
public:
|
|
TracksAvailableCallback(MediaManager* aManager,
|
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nsIDOMGetUserMediaSuccessCallback* aSuccess,
|
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uint64_t aWindowID,
|
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DOMMediaStream* aStream)
|
|
: mWindowID(aWindowID), mSuccess(aSuccess), mManager(aManager),
|
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mStream(aStream) {}
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virtual void NotifyTracksAvailable(DOMMediaStream* aStream) MOZ_OVERRIDE
|
|
{
|
|
// We're in the main thread, so no worries here.
|
|
if (!(mManager->IsWindowStillActive(mWindowID))) {
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|
return;
|
|
}
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|
|
// Start currentTime from the point where this stream was successfully
|
|
// returned.
|
|
aStream->SetLogicalStreamStartTime(aStream->GetStream()->GetCurrentTime());
|
|
|
|
// This is safe since we're on main-thread, and the windowlist can only
|
|
// be invalidated from the main-thread (see OnNavigation)
|
|
LOG(("Returning success for getUserMedia()"));
|
|
mSuccess->OnSuccess(aStream);
|
|
}
|
|
uint64_t mWindowID;
|
|
nsRefPtr<nsIDOMGetUserMediaSuccessCallback> mSuccess;
|
|
nsRefPtr<MediaManager> mManager;
|
|
// Keep the DOMMediaStream alive until the NotifyTracksAvailable callback
|
|
// has fired, otherwise we might immediately destroy the DOMMediaStream and
|
|
// shut down the underlying MediaStream prematurely.
|
|
// This creates a cycle which is broken when NotifyTracksAvailable
|
|
// is fired (which will happen unless the browser shuts down,
|
|
// since we only add this callback when we've successfully appended
|
|
// the desired tracks in the MediaStreamGraph) or when
|
|
// DOMMediaStream::NotifyMediaStreamGraphShutdown is called.
|
|
nsRefPtr<DOMMediaStream> mStream;
|
|
};
|
|
|
|
NS_IMETHOD
|
|
Run()
|
|
{
|
|
NS_ASSERTION(NS_IsMainThread(), "Only call on main thread");
|
|
nsPIDOMWindow *window = static_cast<nsPIDOMWindow*>
|
|
(nsGlobalWindow::GetInnerWindowWithId(mWindowID));
|
|
|
|
// We're on main-thread, and the windowlist can only
|
|
// be invalidated from the main-thread (see OnNavigation)
|
|
StreamListeners* listeners = mManager->GetWindowListeners(mWindowID);
|
|
if (!listeners || !window || !window->GetExtantDoc()) {
|
|
// This window is no longer live. mListener has already been removed
|
|
return NS_OK;
|
|
}
|
|
|
|
// Create a media stream.
|
|
DOMMediaStream::TrackTypeHints hints =
|
|
(mAudioSource ? DOMMediaStream::HINT_CONTENTS_AUDIO : 0) |
|
|
(mVideoSource ? DOMMediaStream::HINT_CONTENTS_VIDEO : 0);
|
|
|
|
nsRefPtr<nsDOMUserMediaStream> trackunion =
|
|
nsDOMUserMediaStream::CreateTrackUnionStream(window, hints);
|
|
if (!trackunion) {
|
|
nsCOMPtr<nsIDOMGetUserMediaErrorCallback> error = mError.forget();
|
|
LOG(("Returning error for getUserMedia() - no stream"));
|
|
error->OnError(NS_LITERAL_STRING("NO_STREAM"));
|
|
return NS_OK;
|
|
}
|
|
|
|
MediaStreamGraph* gm = MediaStreamGraph::GetInstance();
|
|
nsRefPtr<SourceMediaStream> stream = gm->CreateSourceStream(nullptr);
|
|
|
|
// connect the source stream to the track union stream to avoid us blocking
|
|
trackunion->GetStream()->AsProcessedStream()->SetAutofinish(true);
|
|
nsRefPtr<MediaInputPort> port = trackunion->GetStream()->AsProcessedStream()->
|
|
AllocateInputPort(stream, MediaInputPort::FLAG_BLOCK_OUTPUT);
|
|
trackunion->mSourceStream = stream;
|
|
trackunion->mPort = port.forget();
|
|
// Log the relationship between SourceMediaStream and TrackUnion stream
|
|
// Make sure logger starts before capture
|
|
AsyncLatencyLogger::Get(true);
|
|
LogLatency(AsyncLatencyLogger::MediaStreamCreate,
|
|
reinterpret_cast<uint64_t>(stream.get()),
|
|
reinterpret_cast<int64_t>(trackunion->GetStream()));
|
|
|
|
trackunion->CombineWithPrincipal(window->GetExtantDoc()->NodePrincipal());
|
|
|
|
// The listener was added at the begining in an inactive state.
|
|
// Activate our listener. We'll call Start() on the source when get a callback
|
|
// that the MediaStream has started consuming. The listener is freed
|
|
// when the page is invalidated (on navigation or close).
|
|
mListener->Activate(stream.forget(), mAudioSource, mVideoSource);
|
|
|
|
// Note: includes JS callbacks; must be released on MainThread
|
|
TracksAvailableCallback* tracksAvailableCallback =
|
|
new TracksAvailableCallback(mManager, mSuccess, mWindowID, trackunion);
|
|
|
|
// Dispatch to the media thread to ask it to start the sources,
|
|
// because that can take a while.
|
|
// Pass ownership of trackunion to the MediaOperationRunnable
|
|
// to ensure it's kept alive until the MediaOperationRunnable runs (at least).
|
|
nsIThread *mediaThread = MediaManager::GetThread();
|
|
nsRefPtr<MediaOperationRunnable> runnable(
|
|
new MediaOperationRunnable(MEDIA_START, mListener, trackunion,
|
|
tracksAvailableCallback,
|
|
mAudioSource, mVideoSource, false, mWindowID,
|
|
mError.forget()));
|
|
mediaThread->Dispatch(runnable, NS_DISPATCH_NORMAL);
|
|
|
|
#ifdef MOZ_WEBRTC
|
|
// Right now these configs are only of use if webrtc is available
|
|
nsresult rv;
|
|
nsCOMPtr<nsIPrefService> prefs = do_GetService("@mozilla.org/preferences-service;1", &rv);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
nsCOMPtr<nsIPrefBranch> branch = do_QueryInterface(prefs);
|
|
|
|
if (branch) {
|
|
int32_t aec = (int32_t) webrtc::kEcUnchanged;
|
|
int32_t agc = (int32_t) webrtc::kAgcUnchanged;
|
|
int32_t noise = (int32_t) webrtc::kNsUnchanged;
|
|
bool aec_on = false, agc_on = false, noise_on = false;
|
|
|
|
branch->GetBoolPref("media.peerconnection.aec_enabled", &aec_on);
|
|
branch->GetIntPref("media.peerconnection.aec", &aec);
|
|
branch->GetBoolPref("media.peerconnection.agc_enabled", &agc_on);
|
|
branch->GetIntPref("media.peerconnection.agc", &agc);
|
|
branch->GetBoolPref("media.peerconnection.noise_enabled", &noise_on);
|
|
branch->GetIntPref("media.peerconnection.noise", &noise);
|
|
|
|
mListener->AudioConfig(aec_on, (uint32_t) aec,
|
|
agc_on, (uint32_t) agc,
|
|
noise_on, (uint32_t) noise);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// We won't need mError now.
|
|
mError = nullptr;
|
|
return NS_OK;
|
|
}
|
|
|
|
private:
|
|
nsRefPtr<nsIDOMGetUserMediaSuccessCallback> mSuccess;
|
|
nsRefPtr<nsIDOMGetUserMediaErrorCallback> mError;
|
|
nsRefPtr<MediaEngineSource> mAudioSource;
|
|
nsRefPtr<MediaEngineSource> mVideoSource;
|
|
uint64_t mWindowID;
|
|
nsRefPtr<GetUserMediaCallbackMediaStreamListener> mListener;
|
|
nsRefPtr<MediaManager> mManager; // get ref to this when creating the runnable
|
|
};
|
|
|
|
/**
|
|
* Helper functions that implement the constraints algorithm from
|
|
* http://dev.w3.org/2011/webrtc/editor/getusermedia.html#methods-5
|
|
*/
|
|
|
|
static bool SatisfyConstraint(const MediaEngineVideoSource *,
|
|
const MediaTrackConstraintSet &aConstraints,
|
|
nsIMediaDevice &aCandidate)
|
|
{
|
|
if (aConstraints.mFacingMode.WasPassed()) {
|
|
nsString s;
|
|
aCandidate.GetFacingMode(s);
|
|
if (!s.EqualsASCII(dom::VideoFacingModeEnumValues::strings[
|
|
uint32_t(aConstraints.mFacingMode.Value())].value)) {
|
|
return false;
|
|
}
|
|
}
|
|
// TODO: Add more video-specific constraints
|
|
return true;
|
|
}
|
|
|
|
static bool SatisfyConstraint(const MediaEngineAudioSource *,
|
|
const MediaTrackConstraintSet &aConstraints,
|
|
nsIMediaDevice &aCandidate)
|
|
{
|
|
// TODO: Add audio-specific constraints
|
|
return true;
|
|
}
|
|
|
|
typedef nsTArray<nsCOMPtr<nsIMediaDevice> > SourceSet;
|
|
|
|
// Source getter that constrains list returned
|
|
|
|
template<class SourceType>
|
|
static SourceSet *
|
|
GetSources(MediaEngine *engine,
|
|
const MediaTrackConstraintsInternal &aConstraints,
|
|
void (MediaEngine::* aEnumerate)(nsTArray<nsRefPtr<SourceType> >*),
|
|
char* media_device_name = nullptr)
|
|
{
|
|
const SourceType * const type = nullptr;
|
|
nsString deviceName;
|
|
// First collect sources
|
|
SourceSet candidateSet;
|
|
{
|
|
nsTArray<nsRefPtr<SourceType> > sources;
|
|
(engine->*aEnumerate)(&sources);
|
|
/**
|
|
* We're allowing multiple tabs to access the same camera for parity
|
|
* with Chrome. See bug 811757 for some of the issues surrounding
|
|
* this decision. To disallow, we'd filter by IsAvailable() as we used
|
|
* to.
|
|
*/
|
|
for (uint32_t len = sources.Length(), i = 0; i < len; i++) {
|
|
#ifdef DEBUG
|
|
sources[i]->GetName(deviceName);
|
|
if (media_device_name && strlen(media_device_name) > 0) {
|
|
if (deviceName.EqualsASCII(media_device_name)) {
|
|
candidateSet.AppendElement(new MediaDevice(sources[i]));
|
|
break;
|
|
}
|
|
} else {
|
|
#endif
|
|
candidateSet.AppendElement(new MediaDevice(sources[i]));
|
|
#ifdef DEBUG
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
// Then apply mandatory constraints
|
|
|
|
// Note: Iterator must be signed as it can dip below zero
|
|
for (int i = 0; i < int(candidateSet.Length()); i++) {
|
|
// Overloading instead of template specialization keeps things local
|
|
if (!SatisfyConstraint(type, aConstraints.mMandatory, *candidateSet[i])) {
|
|
candidateSet.RemoveElementAt(i--);
|
|
}
|
|
}
|
|
|
|
// Then apply optional constraints.
|
|
//
|
|
// These are only effective when there are multiple sources to pick from.
|
|
// Spec as-of-this-writing says to run algorithm on "all possible tracks
|
|
// of media type T that the browser COULD RETURN" (emphasis added).
|
|
//
|
|
// We think users ultimately control which devices we could return, so after
|
|
// determining the webpage's preferred list, we add the remaining choices
|
|
// to the tail, reasoning that they would all have passed individually,
|
|
// i.e. if the user had any one of them as their sole device (enabled).
|
|
//
|
|
// This avoids users having to unplug/disable devices should a webpage pick
|
|
// the wrong one (UX-fail). Webpage-preferred devices will be listed first.
|
|
|
|
SourceSet tailSet;
|
|
|
|
if (aConstraints.mOptional.WasPassed()) {
|
|
const Sequence<MediaTrackConstraintSet> &array = aConstraints.mOptional.Value();
|
|
for (int i = 0; i < int(array.Length()); i++) {
|
|
SourceSet rejects;
|
|
// Note: Iterator must be signed as it can dip below zero
|
|
for (int j = 0; j < int(candidateSet.Length()); j++) {
|
|
if (!SatisfyConstraint(type, array[i], *candidateSet[j])) {
|
|
rejects.AppendElement(candidateSet[j]);
|
|
candidateSet.RemoveElementAt(j--);
|
|
}
|
|
}
|
|
(candidateSet.Length()? tailSet : candidateSet).MoveElementsFrom(rejects);
|
|
}
|
|
}
|
|
|
|
SourceSet *result = new SourceSet;
|
|
result->MoveElementsFrom(candidateSet);
|
|
result->MoveElementsFrom(tailSet);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Runs on a seperate thread and is responsible for enumerating devices.
|
|
* Depending on whether a picture or stream was asked for, either
|
|
* ProcessGetUserMedia or ProcessGetUserMediaSnapshot is called, and the results
|
|
* are sent back to the DOM.
|
|
*
|
|
* Do not run this on the main thread. The success and error callbacks *MUST*
|
|
* be dispatched on the main thread!
|
|
*/
|
|
class GetUserMediaRunnable : public nsRunnable
|
|
{
|
|
public:
|
|
GetUserMediaRunnable(
|
|
const MediaStreamConstraintsInternal& aConstraints,
|
|
already_AddRefed<nsIDOMGetUserMediaSuccessCallback> aSuccess,
|
|
already_AddRefed<nsIDOMGetUserMediaErrorCallback> aError,
|
|
uint64_t aWindowID, GetUserMediaCallbackMediaStreamListener *aListener,
|
|
MediaEnginePrefs &aPrefs)
|
|
: mConstraints(aConstraints)
|
|
, mSuccess(aSuccess)
|
|
, mError(aError)
|
|
, mWindowID(aWindowID)
|
|
, mListener(aListener)
|
|
, mPrefs(aPrefs)
|
|
, mDeviceChosen(false)
|
|
, mBackendChosen(false)
|
|
, mManager(MediaManager::GetInstance())
|
|
{}
|
|
|
|
/**
|
|
* The caller can also choose to provide their own backend instead of
|
|
* using the one provided by MediaManager::GetBackend.
|
|
*/
|
|
GetUserMediaRunnable(
|
|
const MediaStreamConstraintsInternal& aConstraints,
|
|
already_AddRefed<nsIDOMGetUserMediaSuccessCallback> aSuccess,
|
|
already_AddRefed<nsIDOMGetUserMediaErrorCallback> aError,
|
|
uint64_t aWindowID, GetUserMediaCallbackMediaStreamListener *aListener,
|
|
MediaEnginePrefs &aPrefs,
|
|
MediaEngine* aBackend)
|
|
: mConstraints(aConstraints)
|
|
, mSuccess(aSuccess)
|
|
, mError(aError)
|
|
, mWindowID(aWindowID)
|
|
, mListener(aListener)
|
|
, mPrefs(aPrefs)
|
|
, mDeviceChosen(false)
|
|
, mBackendChosen(true)
|
|
, mBackend(aBackend)
|
|
, mManager(MediaManager::GetInstance())
|
|
{}
|
|
|
|
~GetUserMediaRunnable() {
|
|
if (mBackendChosen) {
|
|
delete mBackend;
|
|
}
|
|
}
|
|
|
|
NS_IMETHOD
|
|
Run()
|
|
{
|
|
NS_ASSERTION(!NS_IsMainThread(), "Don't call on main thread");
|
|
|
|
// Was a backend provided?
|
|
if (!mBackendChosen) {
|
|
mBackend = mManager->GetBackend(mWindowID);
|
|
}
|
|
|
|
// Was a device provided?
|
|
if (!mDeviceChosen) {
|
|
nsresult rv = SelectDevice();
|
|
if (rv != NS_OK) {
|
|
return rv;
|
|
}
|
|
}
|
|
|
|
// It is an error if audio or video are requested along with picture.
|
|
if (mConstraints.mPicture && (mConstraints.mAudio || mConstraints.mVideo)) {
|
|
NS_DispatchToMainThread(new ErrorCallbackRunnable(
|
|
mSuccess, mError, NS_LITERAL_STRING("NOT_SUPPORTED_ERR"), mWindowID
|
|
));
|
|
return NS_OK;
|
|
}
|
|
|
|
if (mConstraints.mPicture) {
|
|
ProcessGetUserMediaSnapshot(mVideoDevice->GetSource(), 0);
|
|
return NS_OK;
|
|
}
|
|
|
|
// There's a bug in the permission code that can leave us with mAudio but no audio device
|
|
ProcessGetUserMedia(((mConstraints.mAudio && mAudioDevice) ?
|
|
mAudioDevice->GetSource() : nullptr),
|
|
((mConstraints.mVideo && mVideoDevice) ?
|
|
mVideoDevice->GetSource() : nullptr));
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
Denied(const nsAString& aErrorMsg)
|
|
{
|
|
// We add a disabled listener to the StreamListeners array until accepted
|
|
// If this was the only active MediaStream, remove the window from the list.
|
|
if (NS_IsMainThread()) {
|
|
// This is safe since we're on main-thread, and the window can only
|
|
// be invalidated from the main-thread (see OnNavigation)
|
|
nsCOMPtr<nsIDOMGetUserMediaErrorCallback> error(mError);
|
|
error->OnError(aErrorMsg);
|
|
|
|
// Should happen *after* error runs for consistency, but may not matter
|
|
nsRefPtr<MediaManager> manager(MediaManager::GetInstance());
|
|
manager->RemoveFromWindowList(mWindowID, mListener);
|
|
} else {
|
|
// This will re-check the window being alive on main-thread
|
|
// Note: we must remove the listener on MainThread as well
|
|
NS_DispatchToMainThread(new ErrorCallbackRunnable(
|
|
mSuccess, mError, aErrorMsg, mWindowID
|
|
));
|
|
|
|
// MUST happen after ErrorCallbackRunnable Run()s, as it checks the active window list
|
|
NS_DispatchToMainThread(new GetUserMediaListenerRemove(mWindowID, mListener));
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
SetAudioDevice(MediaDevice* aAudioDevice)
|
|
{
|
|
mAudioDevice = aAudioDevice;
|
|
mDeviceChosen = true;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
SetVideoDevice(MediaDevice* aVideoDevice)
|
|
{
|
|
mVideoDevice = aVideoDevice;
|
|
mDeviceChosen = true;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
SelectDevice()
|
|
{
|
|
if (mConstraints.mPicture || mConstraints.mVideo) {
|
|
ScopedDeletePtr<SourceSet> sources (GetSources(mBackend,
|
|
mConstraints.mVideom, &MediaEngine::EnumerateVideoDevices));
|
|
|
|
if (!sources->Length()) {
|
|
NS_DispatchToMainThread(new ErrorCallbackRunnable(
|
|
mSuccess, mError, NS_LITERAL_STRING("NO_DEVICES_FOUND"), mWindowID));
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
// Pick the first available device.
|
|
mVideoDevice = do_QueryObject((*sources)[0]);
|
|
LOG(("Selected video device"));
|
|
}
|
|
|
|
if (mConstraints.mAudio) {
|
|
ScopedDeletePtr<SourceSet> sources (GetSources(mBackend,
|
|
mConstraints.mAudiom, &MediaEngine::EnumerateAudioDevices));
|
|
|
|
if (!sources->Length()) {
|
|
NS_DispatchToMainThread(new ErrorCallbackRunnable(
|
|
mSuccess, mError, NS_LITERAL_STRING("NO_DEVICES_FOUND"), mWindowID));
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
// Pick the first available device.
|
|
mAudioDevice = do_QueryObject((*sources)[0]);
|
|
LOG(("Selected audio device"));
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
/**
|
|
* Allocates a video or audio device and returns a MediaStream via
|
|
* a GetUserMediaStreamRunnable. Runs off the main thread.
|
|
*/
|
|
void
|
|
ProcessGetUserMedia(MediaEngineSource* aAudioSource, MediaEngineSource* aVideoSource)
|
|
{
|
|
nsresult rv;
|
|
if (aAudioSource) {
|
|
rv = aAudioSource->Allocate(mPrefs);
|
|
if (NS_FAILED(rv)) {
|
|
LOG(("Failed to allocate audiosource %d",rv));
|
|
NS_DispatchToMainThread(new ErrorCallbackRunnable(
|
|
mSuccess, mError, NS_LITERAL_STRING("HARDWARE_UNAVAILABLE"), mWindowID
|
|
));
|
|
return;
|
|
}
|
|
}
|
|
if (aVideoSource) {
|
|
rv = aVideoSource->Allocate(mPrefs);
|
|
if (NS_FAILED(rv)) {
|
|
LOG(("Failed to allocate videosource %d\n",rv));
|
|
if (aAudioSource) {
|
|
aAudioSource->Deallocate();
|
|
}
|
|
NS_DispatchToMainThread(new ErrorCallbackRunnable(
|
|
mSuccess, mError, NS_LITERAL_STRING("HARDWARE_UNAVAILABLE"), mWindowID
|
|
));
|
|
return;
|
|
}
|
|
}
|
|
|
|
NS_DispatchToMainThread(new GetUserMediaStreamRunnable(
|
|
mSuccess, mError, mWindowID, mListener, aAudioSource, aVideoSource
|
|
));
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* Allocates a video device, takes a snapshot and returns a DOMFile via
|
|
* a SuccessRunnable or an error via the ErrorRunnable. Off the main thread.
|
|
*/
|
|
void
|
|
ProcessGetUserMediaSnapshot(MediaEngineSource* aSource, int aDuration)
|
|
{
|
|
nsresult rv = aSource->Allocate(mPrefs);
|
|
if (NS_FAILED(rv)) {
|
|
NS_DispatchToMainThread(new ErrorCallbackRunnable(
|
|
mSuccess, mError, NS_LITERAL_STRING("HARDWARE_UNAVAILABLE"), mWindowID
|
|
));
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* Display picture capture UI here before calling Snapshot() - Bug 748835.
|
|
*/
|
|
nsCOMPtr<nsIDOMFile> file;
|
|
aSource->Snapshot(aDuration, getter_AddRefs(file));
|
|
aSource->Deallocate();
|
|
|
|
NS_DispatchToMainThread(new SuccessCallbackRunnable(
|
|
mSuccess, mError, file, mWindowID
|
|
));
|
|
return;
|
|
}
|
|
|
|
private:
|
|
MediaStreamConstraintsInternal mConstraints;
|
|
|
|
already_AddRefed<nsIDOMGetUserMediaSuccessCallback> mSuccess;
|
|
already_AddRefed<nsIDOMGetUserMediaErrorCallback> mError;
|
|
uint64_t mWindowID;
|
|
nsRefPtr<GetUserMediaCallbackMediaStreamListener> mListener;
|
|
nsRefPtr<MediaDevice> mAudioDevice;
|
|
nsRefPtr<MediaDevice> mVideoDevice;
|
|
MediaEnginePrefs mPrefs;
|
|
|
|
bool mDeviceChosen;
|
|
bool mBackendChosen;
|
|
|
|
MediaEngine* mBackend;
|
|
nsRefPtr<MediaManager> mManager; // get ref to this when creating the runnable
|
|
};
|
|
|
|
/**
|
|
* Similar to GetUserMediaRunnable, but used for the chrome-only
|
|
* GetUserMediaDevices function. Enumerates a list of audio & video devices,
|
|
* wraps them up in nsIMediaDevice objects and returns it to the success
|
|
* callback.
|
|
*/
|
|
class GetUserMediaDevicesRunnable : public nsRunnable
|
|
{
|
|
public:
|
|
GetUserMediaDevicesRunnable(
|
|
const MediaStreamConstraintsInternal& aConstraints,
|
|
already_AddRefed<nsIGetUserMediaDevicesSuccessCallback> aSuccess,
|
|
already_AddRefed<nsIDOMGetUserMediaErrorCallback> aError,
|
|
uint64_t aWindowId, char* aAudioLoopbackDev, char* aVideoLoopbackDev)
|
|
: mConstraints(aConstraints)
|
|
, mSuccess(aSuccess)
|
|
, mError(aError)
|
|
, mManager(MediaManager::GetInstance())
|
|
, mWindowId(aWindowId)
|
|
, mLoopbackAudioDevice(aAudioLoopbackDev)
|
|
, mLoopbackVideoDevice(aVideoLoopbackDev) {}
|
|
|
|
NS_IMETHOD
|
|
Run()
|
|
{
|
|
NS_ASSERTION(!NS_IsMainThread(), "Don't call on main thread");
|
|
|
|
MediaEngine *backend = mManager->GetBackend(mWindowId);
|
|
|
|
ScopedDeletePtr<SourceSet> final (GetSources(backend, mConstraints.mVideom,
|
|
&MediaEngine::EnumerateVideoDevices,
|
|
mLoopbackVideoDevice));
|
|
{
|
|
ScopedDeletePtr<SourceSet> s (GetSources(backend, mConstraints.mAudiom,
|
|
&MediaEngine::EnumerateAudioDevices,
|
|
mLoopbackAudioDevice));
|
|
final->MoveElementsFrom(*s);
|
|
}
|
|
NS_DispatchToMainThread(new DeviceSuccessCallbackRunnable(mSuccess, mError,
|
|
final.forget()));
|
|
return NS_OK;
|
|
}
|
|
|
|
private:
|
|
MediaStreamConstraintsInternal mConstraints;
|
|
already_AddRefed<nsIGetUserMediaDevicesSuccessCallback> mSuccess;
|
|
already_AddRefed<nsIDOMGetUserMediaErrorCallback> mError;
|
|
nsRefPtr<MediaManager> mManager;
|
|
uint64_t mWindowId;
|
|
// Audio & Video loopback devices to be used based on
|
|
// the preference settings. This is currently used for
|
|
// automated media tests only.
|
|
char* mLoopbackAudioDevice;
|
|
char* mLoopbackVideoDevice;
|
|
};
|
|
|
|
MediaManager::MediaManager()
|
|
: mMediaThread(nullptr)
|
|
, mMutex("mozilla::MediaManager")
|
|
, mBackend(nullptr) {
|
|
mPrefs.mWidth = MediaEngine::DEFAULT_VIDEO_WIDTH;
|
|
mPrefs.mHeight = MediaEngine::DEFAULT_VIDEO_HEIGHT;
|
|
mPrefs.mFPS = MediaEngine::DEFAULT_VIDEO_FPS;
|
|
mPrefs.mMinFPS = MediaEngine::DEFAULT_VIDEO_MIN_FPS;
|
|
mPrefs.mLoadAdapt = MediaEngine::DEFAULT_LOAD_ADAPT;
|
|
|
|
nsresult rv;
|
|
nsCOMPtr<nsIPrefService> prefs = do_GetService("@mozilla.org/preferences-service;1", &rv);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
nsCOMPtr<nsIPrefBranch> branch = do_QueryInterface(prefs);
|
|
if (branch) {
|
|
GetPrefs(branch, nullptr);
|
|
}
|
|
}
|
|
LOG(("%s: default prefs: %dx%d @%dfps (min %d)", __FUNCTION__,
|
|
mPrefs.mWidth, mPrefs.mHeight, mPrefs.mFPS, mPrefs.mMinFPS));
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS2(MediaManager, nsIMediaManagerService, nsIObserver)
|
|
|
|
/* static */ StaticRefPtr<MediaManager> MediaManager::sSingleton;
|
|
|
|
// NOTE: never Dispatch(....,NS_DISPATCH_SYNC) to the MediaManager
|
|
// thread from the MainThread, as we NS_DISPATCH_SYNC to MainThread
|
|
// from MediaManager thread.
|
|
/* static */ MediaManager*
|
|
MediaManager::Get() {
|
|
if (!sSingleton) {
|
|
sSingleton = new MediaManager();
|
|
|
|
NS_NewNamedThread("MediaManager", getter_AddRefs(sSingleton->mMediaThread));
|
|
LOG(("New Media thread for gum"));
|
|
|
|
NS_ASSERTION(NS_IsMainThread(), "Only create MediaManager on main thread");
|
|
nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
|
|
if (obs) {
|
|
obs->AddObserver(sSingleton, "xpcom-shutdown", false);
|
|
obs->AddObserver(sSingleton, "getUserMedia:response:allow", false);
|
|
obs->AddObserver(sSingleton, "getUserMedia:response:deny", false);
|
|
obs->AddObserver(sSingleton, "getUserMedia:revoke", false);
|
|
obs->AddObserver(sSingleton, "phone-state-changed", false);
|
|
}
|
|
// else MediaManager won't work properly and will leak (see bug 837874)
|
|
nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
|
|
if (prefs) {
|
|
prefs->AddObserver("media.navigator.video.default_width", sSingleton, false);
|
|
prefs->AddObserver("media.navigator.video.default_height", sSingleton, false);
|
|
prefs->AddObserver("media.navigator.video.default_fps", sSingleton, false);
|
|
prefs->AddObserver("media.navigator.video.default_minfps", sSingleton, false);
|
|
prefs->AddObserver("media.navigator.load_adapt", sSingleton, false);
|
|
}
|
|
}
|
|
return sSingleton;
|
|
}
|
|
|
|
/* static */ already_AddRefed<MediaManager>
|
|
MediaManager::GetInstance()
|
|
{
|
|
// so we can have non-refcounted getters
|
|
nsRefPtr<MediaManager> service = MediaManager::Get();
|
|
return service.forget();
|
|
}
|
|
|
|
/* static */ nsresult
|
|
MediaManager::NotifyRecordingStatusChange(nsPIDOMWindow* aWindow,
|
|
const nsString& aMsg,
|
|
const bool& aIsAudio,
|
|
const bool& aIsVideo)
|
|
{
|
|
NS_ENSURE_ARG(aWindow);
|
|
|
|
nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
|
|
if (!obs) {
|
|
NS_WARNING("Could not get the Observer service for GetUserMedia recording notification.");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsRefPtr<nsHashPropertyBag> props = new nsHashPropertyBag();
|
|
props->SetPropertyAsBool(NS_LITERAL_STRING("isAudio"), aIsAudio);
|
|
props->SetPropertyAsBool(NS_LITERAL_STRING("isVideo"), aIsVideo);
|
|
|
|
bool isApp = false;
|
|
nsString requestURL;
|
|
|
|
if (nsCOMPtr<nsIDocShell> docShell = aWindow->GetDocShell()) {
|
|
nsresult rv = docShell->GetIsApp(&isApp);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (isApp) {
|
|
rv = docShell->GetAppManifestURL(requestURL);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
}
|
|
|
|
if (!isApp) {
|
|
nsCString pageURL;
|
|
nsCOMPtr<nsIURI> docURI = aWindow->GetDocumentURI();
|
|
NS_ENSURE_TRUE(docURI, NS_ERROR_FAILURE);
|
|
|
|
nsresult rv = docURI->GetSpec(pageURL);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
requestURL = NS_ConvertUTF8toUTF16(pageURL);
|
|
}
|
|
|
|
props->SetPropertyAsBool(NS_LITERAL_STRING("isApp"), isApp);
|
|
props->SetPropertyAsAString(NS_LITERAL_STRING("requestURL"), requestURL);
|
|
|
|
obs->NotifyObservers(static_cast<nsIPropertyBag2*>(props),
|
|
"recording-device-events",
|
|
aMsg.get());
|
|
|
|
// Forward recording events to parent process.
|
|
// The events are gathered in chrome process and used for recording indicator
|
|
if (XRE_GetProcessType() != GeckoProcessType_Default) {
|
|
unused <<
|
|
dom::ContentChild::GetSingleton()->SendRecordingDeviceEvents(aMsg,
|
|
requestURL,
|
|
aIsAudio,
|
|
aIsVideo);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
/**
|
|
* The entry point for this file. A call from Navigator::mozGetUserMedia
|
|
* will end up here. MediaManager is a singleton that is responsible
|
|
* for handling all incoming getUserMedia calls from every window.
|
|
*/
|
|
nsresult
|
|
MediaManager::GetUserMedia(JSContext* aCx, bool aPrivileged,
|
|
nsPIDOMWindow* aWindow, const MediaStreamConstraints& aRawConstraints,
|
|
nsIDOMGetUserMediaSuccessCallback* aOnSuccess,
|
|
nsIDOMGetUserMediaErrorCallback* aOnError)
|
|
{
|
|
NS_ASSERTION(NS_IsMainThread(), "Only call on main thread");
|
|
|
|
NS_ENSURE_TRUE(aWindow, NS_ERROR_NULL_POINTER);
|
|
NS_ENSURE_TRUE(aOnError, NS_ERROR_NULL_POINTER);
|
|
NS_ENSURE_TRUE(aOnSuccess, NS_ERROR_NULL_POINTER);
|
|
|
|
nsCOMPtr<nsIDOMGetUserMediaSuccessCallback> onSuccess(aOnSuccess);
|
|
nsCOMPtr<nsIDOMGetUserMediaErrorCallback> onError(aOnError);
|
|
|
|
Maybe<JSAutoCompartment> ac;
|
|
if (aRawConstraints.mAudio.IsObject() || aRawConstraints.mVideo.IsObject()) {
|
|
ac.construct(aCx, (aRawConstraints.mVideo.IsObject()?
|
|
aRawConstraints.mVideo.GetAsObject() :
|
|
aRawConstraints.mAudio.GetAsObject()));
|
|
}
|
|
|
|
// aRawConstraints has JSObjects in it, so process it by copying it into
|
|
// MediaStreamConstraintsInternal which does not.
|
|
|
|
dom::RootedDictionary<MediaStreamConstraintsInternal> c(aCx);
|
|
|
|
// TODO: Simplify this part once Bug 767924 is fixed.
|
|
// Since we cannot yet use unions on non-objects, we process the raw object
|
|
// into discrete members for internal use until Bug 767924 is fixed
|
|
|
|
nsresult rv;
|
|
nsString unknownConstraintFound;
|
|
|
|
if (aRawConstraints.mAudio.IsObject()) {
|
|
JS::Rooted<JS::Value> temp(aCx,
|
|
JS::ObjectValue(*aRawConstraints.mAudio.GetAsObject()));
|
|
bool success = c.mAudiom.Init(aCx, temp);
|
|
NS_ENSURE_TRUE(success, NS_ERROR_FAILURE);
|
|
|
|
rv = ValidateTrackConstraints(aCx, aRawConstraints.mAudio.GetAsObject(),
|
|
c.mAudiom, &unknownConstraintFound);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
c.mAudio = true;
|
|
} else {
|
|
c.mAudio = aRawConstraints.mAudio.GetAsBoolean();
|
|
}
|
|
if (aRawConstraints.mVideo.IsObject()) {
|
|
JS::Rooted<JS::Value> temp(aCx,
|
|
JS::ObjectValue(*aRawConstraints.mVideo.GetAsObject()));
|
|
bool success = c.mVideom.Init(aCx, temp);
|
|
NS_ENSURE_TRUE(success, NS_ERROR_FAILURE);
|
|
|
|
rv = ValidateTrackConstraints(aCx, aRawConstraints.mVideo.GetAsObject(),
|
|
c.mVideom, &unknownConstraintFound);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
c.mVideo = true;
|
|
} else {
|
|
c.mVideo = aRawConstraints.mVideo.GetAsBoolean();
|
|
}
|
|
c.mPicture = aRawConstraints.mPicture;
|
|
c.mFake = aRawConstraints.mFake;
|
|
|
|
/**
|
|
* If we were asked to get a picture, before getting a snapshot, we check if
|
|
* the calling page is allowed to open a popup. We do this because
|
|
* {picture:true} will open a new "window" to let the user preview or select
|
|
* an image, on Android. The desktop UI for {picture:true} is TBD, at which
|
|
* may point we can decide whether to extend this test there as well.
|
|
*/
|
|
#if !defined(MOZ_WEBRTC)
|
|
if (c.mPicture && !aPrivileged) {
|
|
if (aWindow->GetPopupControlState() > openControlled) {
|
|
nsCOMPtr<nsIPopupWindowManager> pm =
|
|
do_GetService(NS_POPUPWINDOWMANAGER_CONTRACTID);
|
|
if (!pm) {
|
|
return NS_OK;
|
|
}
|
|
uint32_t permission;
|
|
nsCOMPtr<nsIDocument> doc = aWindow->GetExtantDoc();
|
|
pm->TestPermission(doc->NodePrincipal(), &permission);
|
|
if (permission == nsIPopupWindowManager::DENY_POPUP) {
|
|
nsGlobalWindow::FirePopupBlockedEvent(
|
|
doc, aWindow, nullptr, EmptyString(), EmptyString()
|
|
);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static bool created = false;
|
|
if (!created) {
|
|
// Force MediaManager to startup before we try to access it from other threads
|
|
// Hack: should init singleton earlier unless it's expensive (mem or CPU)
|
|
(void) MediaManager::Get();
|
|
#ifdef MOZ_WIDGET_GONK
|
|
// Initialize MediaPermissionManager before send out any permission request.
|
|
(void) MediaPermissionManager::GetInstance();
|
|
#endif //MOZ_WIDGET_GONK
|
|
}
|
|
|
|
// Store the WindowID in a hash table and mark as active. The entry is removed
|
|
// when this window is closed or navigated away from.
|
|
uint64_t windowID = aWindow->WindowID();
|
|
nsRefPtr<GetUserMediaRunnable> gUMRunnable;
|
|
// This is safe since we're on main-thread, and the windowlist can only
|
|
// be invalidated from the main-thread (see OnNavigation)
|
|
StreamListeners* listeners = GetActiveWindows()->Get(windowID);
|
|
if (!listeners) {
|
|
listeners = new StreamListeners;
|
|
GetActiveWindows()->Put(windowID, listeners);
|
|
}
|
|
|
|
if (!unknownConstraintFound.IsEmpty()) {
|
|
// An unsupported mandatory constraint was found.
|
|
//
|
|
// We continue to ignore these for now, because we implement just
|
|
// facingMode, which means all existing uses of mandatory width/height would
|
|
// fail on Firefox only otherwise, which is undesirable.
|
|
//
|
|
// There's also basis for always ignoring them in a new proposal.
|
|
// TODO(jib): This is a super-low-risk fix for backport. Clean up later.
|
|
|
|
LOG(("Unsupported mandatory constraint: %s\n",
|
|
NS_ConvertUTF16toUTF8(unknownConstraintFound).get()));
|
|
|
|
// unknown constraints existed in aRawConstraints only, which is unused
|
|
// from here, so continuing here effectively ignores them, as is desired.
|
|
}
|
|
|
|
// Ensure there's a thread for gum to proxy to off main thread
|
|
nsIThread *mediaThread = MediaManager::GetThread();
|
|
|
|
// Create a disabled listener to act as a placeholder
|
|
GetUserMediaCallbackMediaStreamListener* listener =
|
|
new GetUserMediaCallbackMediaStreamListener(mediaThread, windowID);
|
|
|
|
// No need for locking because we always do this in the main thread.
|
|
listeners->AppendElement(listener);
|
|
|
|
// Developer preference for turning off permission check.
|
|
if (Preferences::GetBool("media.navigator.permission.disabled", false)) {
|
|
aPrivileged = true;
|
|
}
|
|
if (!Preferences::GetBool("media.navigator.video.enabled", true)) {
|
|
c.mVideo = false;
|
|
}
|
|
|
|
/**
|
|
* Pass runnables along to GetUserMediaRunnable so it can add the
|
|
* MediaStreamListener to the runnable list.
|
|
*/
|
|
if (c.mFake) {
|
|
// Fake stream from default backend.
|
|
gUMRunnable = new GetUserMediaRunnable(c, onSuccess.forget(),
|
|
onError.forget(), windowID, listener, mPrefs, new MediaEngineDefault());
|
|
} else {
|
|
// Stream from default device from WebRTC backend.
|
|
gUMRunnable = new GetUserMediaRunnable(c, onSuccess.forget(),
|
|
onError.forget(), windowID, listener, mPrefs);
|
|
}
|
|
|
|
#ifdef MOZ_B2G_CAMERA
|
|
if (mCameraManager == nullptr) {
|
|
mCameraManager = nsDOMCameraManager::CreateInstance(aWindow);
|
|
}
|
|
#endif
|
|
|
|
#if defined(ANDROID) && !defined(MOZ_WIDGET_GONK)
|
|
if (c.mPicture) {
|
|
// ShowFilePickerForMimeType() must run on the Main Thread! (on Android)
|
|
NS_DispatchToMainThread(gUMRunnable);
|
|
return NS_OK;
|
|
}
|
|
#endif
|
|
// XXX No full support for picture in Desktop yet (needs proper UI)
|
|
if (aPrivileged || c.mFake) {
|
|
mMediaThread->Dispatch(gUMRunnable, NS_DISPATCH_NORMAL);
|
|
} else {
|
|
// Ask for user permission, and dispatch runnable (or not) when a response
|
|
// is received via an observer notification. Each call is paired with its
|
|
// runnable by a GUID.
|
|
nsresult rv;
|
|
nsCOMPtr<nsIUUIDGenerator> uuidgen =
|
|
do_GetService("@mozilla.org/uuid-generator;1", &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Generate a call ID.
|
|
nsID id;
|
|
rv = uuidgen->GenerateUUIDInPlace(&id);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
char buffer[NSID_LENGTH];
|
|
id.ToProvidedString(buffer);
|
|
NS_ConvertUTF8toUTF16 callID(buffer);
|
|
|
|
// Store the current callback.
|
|
mActiveCallbacks.Put(callID, gUMRunnable);
|
|
|
|
nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
|
|
nsRefPtr<GetUserMediaRequest> req = new GetUserMediaRequest(aWindow,
|
|
callID, c);
|
|
obs->NotifyObservers(req, "getUserMedia:request", nullptr);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
MediaManager::GetUserMediaDevices(nsPIDOMWindow* aWindow,
|
|
const MediaStreamConstraintsInternal& aConstraints,
|
|
nsIGetUserMediaDevicesSuccessCallback* aOnSuccess,
|
|
nsIDOMGetUserMediaErrorCallback* aOnError)
|
|
{
|
|
NS_ASSERTION(NS_IsMainThread(), "Only call on main thread");
|
|
|
|
NS_ENSURE_TRUE(aOnError, NS_ERROR_NULL_POINTER);
|
|
NS_ENSURE_TRUE(aOnSuccess, NS_ERROR_NULL_POINTER);
|
|
|
|
nsCOMPtr<nsIGetUserMediaDevicesSuccessCallback> onSuccess(aOnSuccess);
|
|
nsCOMPtr<nsIDOMGetUserMediaErrorCallback> onError(aOnError);
|
|
char* loopbackAudioDevice = nullptr;
|
|
char* loopbackVideoDevice = nullptr;
|
|
nsresult rv;
|
|
#ifdef DEBUG
|
|
// Check if the preference for using loopback devices is enabled.
|
|
nsCOMPtr<nsIPrefService> prefs = do_GetService("@mozilla.org/preferences-service;1", &rv);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
nsCOMPtr<nsIPrefBranch> branch = do_QueryInterface(prefs);
|
|
if (branch) {
|
|
branch->GetCharPref("media.audio_loopback_dev", &loopbackAudioDevice);
|
|
branch->GetCharPref("media.video_loopback_dev", &loopbackVideoDevice);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
nsCOMPtr<nsIRunnable> gUMDRunnable = new GetUserMediaDevicesRunnable(
|
|
aConstraints, onSuccess.forget(), onError.forget(), aWindow->WindowID(),
|
|
loopbackAudioDevice, loopbackVideoDevice
|
|
);
|
|
|
|
nsCOMPtr<nsIThread> deviceThread;
|
|
rv = NS_NewThread(getter_AddRefs(deviceThread));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
|
|
deviceThread->Dispatch(gUMDRunnable, NS_DISPATCH_NORMAL);
|
|
return NS_OK;
|
|
}
|
|
|
|
MediaEngine*
|
|
MediaManager::GetBackend(uint64_t aWindowId)
|
|
{
|
|
// Plugin backends as appropriate. The default engine also currently
|
|
// includes picture support for Android.
|
|
// This IS called off main-thread.
|
|
MutexAutoLock lock(mMutex);
|
|
if (!mBackend) {
|
|
#if defined(MOZ_WEBRTC)
|
|
#ifndef MOZ_B2G_CAMERA
|
|
mBackend = new MediaEngineWebRTC(mPrefs);
|
|
#else
|
|
mBackend = new MediaEngineWebRTC(mCameraManager, aWindowId);
|
|
#endif
|
|
#else
|
|
mBackend = new MediaEngineDefault();
|
|
#endif
|
|
}
|
|
return mBackend;
|
|
}
|
|
|
|
void
|
|
MediaManager::OnNavigation(uint64_t aWindowID)
|
|
{
|
|
NS_ASSERTION(NS_IsMainThread(), "OnNavigation called off main thread");
|
|
|
|
// Invalidate this window. The runnables check this value before making
|
|
// a call to content.
|
|
|
|
// This is safe since we're on main-thread, and the windowlist can only
|
|
// be added to from the main-thread
|
|
StreamListeners* listeners = GetWindowListeners(aWindowID);
|
|
if (!listeners) {
|
|
return;
|
|
}
|
|
|
|
uint32_t length = listeners->Length();
|
|
for (uint32_t i = 0; i < length; i++) {
|
|
nsRefPtr<GetUserMediaCallbackMediaStreamListener> listener =
|
|
listeners->ElementAt(i);
|
|
if (listener->Stream()) { // aka HasBeenActivate()ed
|
|
listener->Invalidate();
|
|
}
|
|
listener->Remove();
|
|
}
|
|
listeners->Clear();
|
|
|
|
RemoveWindowID(aWindowID);
|
|
// listeners has been deleted
|
|
}
|
|
|
|
void
|
|
MediaManager::RemoveFromWindowList(uint64_t aWindowID,
|
|
GetUserMediaCallbackMediaStreamListener *aListener)
|
|
{
|
|
NS_ASSERTION(NS_IsMainThread(), "RemoveFromWindowList called off main thread");
|
|
|
|
// This is defined as safe on an inactive GUMCMSListener
|
|
aListener->Remove(); // really queues the remove
|
|
|
|
StreamListeners* listeners = GetWindowListeners(aWindowID);
|
|
if (!listeners) {
|
|
return;
|
|
}
|
|
listeners->RemoveElement(aListener);
|
|
if (listeners->Length() == 0) {
|
|
RemoveWindowID(aWindowID);
|
|
// listeners has been deleted here
|
|
|
|
// get outer windowID
|
|
nsPIDOMWindow *window = static_cast<nsPIDOMWindow*>
|
|
(nsGlobalWindow::GetInnerWindowWithId(aWindowID));
|
|
if (window) {
|
|
nsPIDOMWindow *outer = window->GetOuterWindow();
|
|
if (outer) {
|
|
uint64_t outerID = outer->WindowID();
|
|
|
|
// Notify the UI that this window no longer has gUM active
|
|
char windowBuffer[32];
|
|
PR_snprintf(windowBuffer, sizeof(windowBuffer), "%llu", outerID);
|
|
nsAutoString data;
|
|
data.Append(NS_ConvertUTF8toUTF16(windowBuffer));
|
|
|
|
nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
|
|
obs->NotifyObservers(nullptr, "recording-window-ended", data.get());
|
|
LOG(("Sent recording-window-ended for window %llu (outer %llu)",
|
|
aWindowID, outerID));
|
|
} else {
|
|
LOG(("No outer window for inner %llu", aWindowID));
|
|
}
|
|
} else {
|
|
LOG(("No inner window for %llu", aWindowID));
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
MediaManager::GetPref(nsIPrefBranch *aBranch, const char *aPref,
|
|
const char *aData, int32_t *aVal)
|
|
{
|
|
int32_t temp;
|
|
if (aData == nullptr || strcmp(aPref,aData) == 0) {
|
|
if (NS_SUCCEEDED(aBranch->GetIntPref(aPref, &temp))) {
|
|
*aVal = temp;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
MediaManager::GetPrefBool(nsIPrefBranch *aBranch, const char *aPref,
|
|
const char *aData, bool *aVal)
|
|
{
|
|
bool temp;
|
|
if (aData == nullptr || strcmp(aPref,aData) == 0) {
|
|
if (NS_SUCCEEDED(aBranch->GetBoolPref(aPref, &temp))) {
|
|
*aVal = temp;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
MediaManager::GetPrefs(nsIPrefBranch *aBranch, const char *aData)
|
|
{
|
|
GetPref(aBranch, "media.navigator.video.default_width", aData, &mPrefs.mWidth);
|
|
GetPref(aBranch, "media.navigator.video.default_height", aData, &mPrefs.mHeight);
|
|
GetPref(aBranch, "media.navigator.video.default_fps", aData, &mPrefs.mFPS);
|
|
GetPref(aBranch, "media.navigator.video.default_minfps", aData, &mPrefs.mMinFPS);
|
|
GetPrefBool(aBranch, "media.navigator.load_adapt", aData, &mPrefs.mLoadAdapt);
|
|
}
|
|
|
|
nsresult
|
|
MediaManager::Observe(nsISupports* aSubject, const char* aTopic,
|
|
const char16_t* aData)
|
|
{
|
|
NS_ASSERTION(NS_IsMainThread(), "Observer invoked off the main thread");
|
|
nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
|
|
|
|
if (!strcmp(aTopic, NS_PREFBRANCH_PREFCHANGE_TOPIC_ID)) {
|
|
nsCOMPtr<nsIPrefBranch> branch( do_QueryInterface(aSubject) );
|
|
if (branch) {
|
|
GetPrefs(branch,NS_ConvertUTF16toUTF8(aData).get());
|
|
LOG(("%s: %dx%d @%dfps (min %d)", __FUNCTION__,
|
|
mPrefs.mWidth, mPrefs.mHeight, mPrefs.mFPS, mPrefs.mMinFPS));
|
|
}
|
|
} else if (!strcmp(aTopic, "xpcom-shutdown")) {
|
|
obs->RemoveObserver(this, "xpcom-shutdown");
|
|
obs->RemoveObserver(this, "getUserMedia:response:allow");
|
|
obs->RemoveObserver(this, "getUserMedia:response:deny");
|
|
obs->RemoveObserver(this, "getUserMedia:revoke");
|
|
|
|
nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
|
|
if (prefs) {
|
|
prefs->RemoveObserver("media.navigator.video.default_width", this);
|
|
prefs->RemoveObserver("media.navigator.video.default_height", this);
|
|
prefs->RemoveObserver("media.navigator.video.default_fps", this);
|
|
prefs->RemoveObserver("media.navigator.video.default_minfps", this);
|
|
prefs->RemoveObserver("media.navigator.load_adapt", this);
|
|
}
|
|
|
|
// Close off any remaining active windows.
|
|
{
|
|
MutexAutoLock lock(mMutex);
|
|
GetActiveWindows()->Clear();
|
|
mActiveCallbacks.Clear();
|
|
LOG(("Releasing MediaManager singleton and thread"));
|
|
sSingleton = nullptr;
|
|
}
|
|
|
|
return NS_OK;
|
|
|
|
} else if (!strcmp(aTopic, "getUserMedia:response:allow")) {
|
|
nsString key(aData);
|
|
nsRefPtr<nsRunnable> runnable;
|
|
if (!mActiveCallbacks.Get(key, getter_AddRefs(runnable))) {
|
|
return NS_OK;
|
|
}
|
|
mActiveCallbacks.Remove(key);
|
|
|
|
if (aSubject) {
|
|
// A particular device or devices were chosen by the user.
|
|
// NOTE: does not allow setting a device to null; assumes nullptr
|
|
GetUserMediaRunnable* gUMRunnable =
|
|
static_cast<GetUserMediaRunnable*>(runnable.get());
|
|
|
|
nsCOMPtr<nsISupportsArray> array(do_QueryInterface(aSubject));
|
|
MOZ_ASSERT(array);
|
|
uint32_t len = 0;
|
|
array->Count(&len);
|
|
MOZ_ASSERT(len);
|
|
if (!len) {
|
|
gUMRunnable->Denied(NS_LITERAL_STRING("PERMISSION_DENIED")); // neither audio nor video were selected
|
|
return NS_OK;
|
|
}
|
|
for (uint32_t i = 0; i < len; i++) {
|
|
nsCOMPtr<nsISupports> supports;
|
|
array->GetElementAt(i,getter_AddRefs(supports));
|
|
nsCOMPtr<nsIMediaDevice> device(do_QueryInterface(supports));
|
|
MOZ_ASSERT(device); // shouldn't be returning anything else...
|
|
if (device) {
|
|
nsString type;
|
|
device->GetType(type);
|
|
if (type.EqualsLiteral("video")) {
|
|
gUMRunnable->SetVideoDevice(static_cast<MediaDevice*>(device.get()));
|
|
} else if (type.EqualsLiteral("audio")) {
|
|
gUMRunnable->SetAudioDevice(static_cast<MediaDevice*>(device.get()));
|
|
} else {
|
|
NS_WARNING("Unknown device type in getUserMedia");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Reuse the same thread to save memory.
|
|
mMediaThread->Dispatch(runnable, NS_DISPATCH_NORMAL);
|
|
return NS_OK;
|
|
|
|
} else if (!strcmp(aTopic, "getUserMedia:response:deny")) {
|
|
nsString errorMessage(NS_LITERAL_STRING("PERMISSION_DENIED"));
|
|
|
|
if (aSubject) {
|
|
nsCOMPtr<nsISupportsString> msg(do_QueryInterface(aSubject));
|
|
MOZ_ASSERT(msg);
|
|
msg->GetData(errorMessage);
|
|
if (errorMessage.IsEmpty())
|
|
errorMessage.Assign(NS_LITERAL_STRING("UNKNOWN_ERROR"));
|
|
}
|
|
|
|
nsString key(aData);
|
|
nsRefPtr<nsRunnable> runnable;
|
|
if (!mActiveCallbacks.Get(key, getter_AddRefs(runnable))) {
|
|
return NS_OK;
|
|
}
|
|
mActiveCallbacks.Remove(key);
|
|
|
|
GetUserMediaRunnable* gUMRunnable =
|
|
static_cast<GetUserMediaRunnable*>(runnable.get());
|
|
gUMRunnable->Denied(errorMessage);
|
|
return NS_OK;
|
|
|
|
} else if (!strcmp(aTopic, "getUserMedia:revoke")) {
|
|
nsresult rv;
|
|
uint64_t windowID = nsString(aData).ToInteger64(&rv);
|
|
MOZ_ASSERT(NS_SUCCEEDED(rv));
|
|
if (NS_SUCCEEDED(rv)) {
|
|
LOG(("Revoking MediaCapture access for window %llu",windowID));
|
|
OnNavigation(windowID);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
#ifdef MOZ_WIDGET_GONK
|
|
else if (!strcmp(aTopic, "phone-state-changed")) {
|
|
nsString state(aData);
|
|
if (atoi((const char*)state.get()) == nsIAudioManager::PHONE_STATE_IN_CALL) {
|
|
StopMediaStreams();
|
|
}
|
|
return NS_OK;
|
|
}
|
|
#endif
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
static PLDHashOperator
|
|
WindowsHashToArrayFunc (const uint64_t& aId,
|
|
StreamListeners* aData,
|
|
void *userArg)
|
|
{
|
|
nsISupportsArray *array =
|
|
static_cast<nsISupportsArray *>(userArg);
|
|
nsPIDOMWindow *window = static_cast<nsPIDOMWindow*>
|
|
(nsGlobalWindow::GetInnerWindowWithId(aId));
|
|
(void) aData;
|
|
|
|
MOZ_ASSERT(window);
|
|
if (window) {
|
|
array->AppendElement(window);
|
|
}
|
|
return PL_DHASH_NEXT;
|
|
}
|
|
|
|
|
|
nsresult
|
|
MediaManager::GetActiveMediaCaptureWindows(nsISupportsArray **aArray)
|
|
{
|
|
MOZ_ASSERT(aArray);
|
|
nsISupportsArray *array;
|
|
nsresult rv = NS_NewISupportsArray(&array); // AddRefs
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
mActiveWindows.EnumerateRead(WindowsHashToArrayFunc, array);
|
|
|
|
*aArray = array;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
MediaManager::MediaCaptureWindowState(nsIDOMWindow* aWindow, bool* aVideo,
|
|
bool* aAudio)
|
|
{
|
|
NS_ASSERTION(NS_IsMainThread(), "Only call on main thread");
|
|
*aVideo = false;
|
|
*aAudio = false;
|
|
|
|
nsresult rv = MediaCaptureWindowStateInternal(aWindow, aVideo, aAudio);
|
|
#ifdef DEBUG
|
|
nsCOMPtr<nsPIDOMWindow> piWin = do_QueryInterface(aWindow);
|
|
LOG(("%s: window %lld capturing %s %s", __FUNCTION__, piWin ? piWin->WindowID() : -1,
|
|
*aVideo ? "video" : "", *aAudio ? "audio" : ""));
|
|
#endif
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
MediaManager::MediaCaptureWindowStateInternal(nsIDOMWindow* aWindow, bool* aVideo,
|
|
bool* aAudio)
|
|
{
|
|
// We need to return the union of all streams in all innerwindows that
|
|
// correspond to that outerwindow.
|
|
|
|
// Iterate the docshell tree to find all the child windows, find
|
|
// all the listeners for each one, get the booleans, and merge the
|
|
// results.
|
|
nsCOMPtr<nsPIDOMWindow> piWin = do_QueryInterface(aWindow);
|
|
if (piWin) {
|
|
if (piWin->GetCurrentInnerWindow() || piWin->IsInnerWindow()) {
|
|
uint64_t windowID;
|
|
if (piWin->GetCurrentInnerWindow()) {
|
|
windowID = piWin->GetCurrentInnerWindow()->WindowID();
|
|
} else {
|
|
windowID = piWin->WindowID();
|
|
}
|
|
StreamListeners* listeners = GetActiveWindows()->Get(windowID);
|
|
if (listeners) {
|
|
uint32_t length = listeners->Length();
|
|
for (uint32_t i = 0; i < length; ++i) {
|
|
nsRefPtr<GetUserMediaCallbackMediaStreamListener> listener =
|
|
listeners->ElementAt(i);
|
|
if (listener->CapturingVideo()) {
|
|
*aVideo = true;
|
|
}
|
|
if (listener->CapturingAudio()) {
|
|
*aAudio = true;
|
|
}
|
|
if (*aAudio && *aVideo) {
|
|
return NS_OK; // no need to continue iterating
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// iterate any children of *this* window (iframes, etc)
|
|
nsCOMPtr<nsIDocShellTreeNode> node =
|
|
do_QueryInterface(piWin->GetDocShell());
|
|
if (node) {
|
|
int32_t i, count;
|
|
node->GetChildCount(&count);
|
|
for (i = 0; i < count; ++i) {
|
|
nsCOMPtr<nsIDocShellTreeItem> item;
|
|
node->GetChildAt(i, getter_AddRefs(item));
|
|
nsCOMPtr<nsPIDOMWindow> win = do_GetInterface(item);
|
|
|
|
MediaCaptureWindowStateInternal(win, aVideo, aAudio);
|
|
if (*aAudio && *aVideo) {
|
|
return NS_OK; // no need to continue iterating
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
MediaManager::StopMediaStreams()
|
|
{
|
|
nsCOMPtr<nsISupportsArray> array;
|
|
GetActiveMediaCaptureWindows(getter_AddRefs(array));
|
|
uint32_t len;
|
|
array->Count(&len);
|
|
for (uint32_t i = 0; i < len; i++) {
|
|
nsCOMPtr<nsISupports> window;
|
|
array->GetElementAt(i, getter_AddRefs(window));
|
|
nsCOMPtr<nsPIDOMWindow> win(do_QueryInterface(window));
|
|
if (win) {
|
|
OnNavigation(win->WindowID());
|
|
}
|
|
}
|
|
}
|
|
|
|
// Can be invoked from EITHER MainThread or MSG thread
|
|
void
|
|
GetUserMediaCallbackMediaStreamListener::Invalidate()
|
|
{
|
|
|
|
nsRefPtr<MediaOperationRunnable> runnable;
|
|
// We can't take a chance on blocking here, so proxy this to another
|
|
// thread.
|
|
// Pass a ref to us (which is threadsafe) so it can query us for the
|
|
// source stream info.
|
|
runnable = new MediaOperationRunnable(MEDIA_STOP,
|
|
this, nullptr, nullptr,
|
|
mAudioSource, mVideoSource,
|
|
mFinished, mWindowID, nullptr);
|
|
mMediaThread->Dispatch(runnable, NS_DISPATCH_NORMAL);
|
|
}
|
|
|
|
// Called from the MediaStreamGraph thread
|
|
void
|
|
GetUserMediaCallbackMediaStreamListener::NotifyFinished(MediaStreamGraph* aGraph)
|
|
{
|
|
mFinished = true;
|
|
Invalidate(); // we know it's been activated
|
|
NS_DispatchToMainThread(new GetUserMediaListenerRemove(mWindowID, this));
|
|
}
|
|
|
|
// Called from the MediaStreamGraph thread
|
|
// this can be in response to our own RemoveListener() (via ::Remove()), or
|
|
// because the DOM GC'd the DOMLocalMediaStream/etc we're attached to.
|
|
void
|
|
GetUserMediaCallbackMediaStreamListener::NotifyRemoved(MediaStreamGraph* aGraph)
|
|
{
|
|
{
|
|
MutexAutoLock lock(mLock); // protect access to mRemoved
|
|
MM_LOG(("Listener removed by DOM Destroy(), mFinished = %d", (int) mFinished));
|
|
mRemoved = true;
|
|
}
|
|
if (!mFinished) {
|
|
NotifyFinished(aGraph);
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
GetUserMediaNotificationEvent::Run()
|
|
{
|
|
NS_ASSERTION(NS_IsMainThread(), "Only call on main thread");
|
|
// Make sure mStream is cleared and our reference to the DOMMediaStream
|
|
// is dropped on the main thread, no matter what happens in this method.
|
|
// Otherwise this object might be destroyed off the main thread,
|
|
// releasing DOMMediaStream off the main thread, which is not allowed.
|
|
nsRefPtr<DOMMediaStream> stream = mStream.forget();
|
|
|
|
nsString msg;
|
|
switch (mStatus) {
|
|
case STARTING:
|
|
msg = NS_LITERAL_STRING("starting");
|
|
stream->OnTracksAvailable(mOnTracksAvailableCallback.forget());
|
|
break;
|
|
case STOPPING:
|
|
msg = NS_LITERAL_STRING("shutdown");
|
|
if (mListener) {
|
|
mListener->SetStopped();
|
|
}
|
|
break;
|
|
}
|
|
|
|
nsCOMPtr<nsPIDOMWindow> window = nsGlobalWindow::GetInnerWindowWithId(mWindowID);
|
|
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
|
|
|
|
return MediaManager::NotifyRecordingStatusChange(window, msg, mIsAudio, mIsVideo);
|
|
}
|
|
|
|
} // namespace mozilla
|