mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-10-22 02:25:05 +00:00
237 lines
7.0 KiB
C++
237 lines
7.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim:set ts=2 sw=2 sts=2 et cindent: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "GMPDecoderModule.h"
|
|
#include "GMPAudioDecoder.h"
|
|
#include "GMPVideoDecoder.h"
|
|
#include "MediaDataDecoderProxy.h"
|
|
#include "mozIGeckoMediaPluginService.h"
|
|
#include "nsServiceManagerUtils.h"
|
|
#include "mozilla/Preferences.h"
|
|
#include "mozilla/StaticMutex.h"
|
|
#include "gmp-audio-decode.h"
|
|
#include "gmp-video-decode.h"
|
|
#ifdef XP_WIN
|
|
#include "WMFDecoderModule.h"
|
|
#endif
|
|
|
|
namespace mozilla {
|
|
|
|
GMPDecoderModule::GMPDecoderModule()
|
|
{
|
|
}
|
|
|
|
GMPDecoderModule::~GMPDecoderModule()
|
|
{
|
|
}
|
|
|
|
static already_AddRefed<MediaDataDecoderProxy>
|
|
CreateDecoderWrapper(MediaDataDecoderCallback* aCallback)
|
|
{
|
|
nsCOMPtr<mozIGeckoMediaPluginService> gmpService = do_GetService("@mozilla.org/gecko-media-plugin-service;1");
|
|
if (!gmpService) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsCOMPtr<nsIThread> thread;
|
|
nsresult rv = gmpService->GetThread(getter_AddRefs(thread));
|
|
if (NS_FAILED(rv)) {
|
|
return nullptr;
|
|
}
|
|
|
|
RefPtr<MediaDataDecoderProxy> decoder(new MediaDataDecoderProxy(thread, aCallback));
|
|
return decoder.forget();
|
|
}
|
|
|
|
already_AddRefed<MediaDataDecoder>
|
|
GMPDecoderModule::CreateVideoDecoder(const VideoInfo& aConfig,
|
|
layers::LayersBackend aLayersBackend,
|
|
layers::ImageContainer* aImageContainer,
|
|
FlushableTaskQueue* aVideoTaskQueue,
|
|
MediaDataDecoderCallback* aCallback)
|
|
{
|
|
if (!aConfig.mMimeType.EqualsLiteral("video/avc")) {
|
|
return nullptr;
|
|
}
|
|
|
|
RefPtr<MediaDataDecoderProxy> wrapper = CreateDecoderWrapper(aCallback);
|
|
wrapper->SetProxyTarget(new GMPVideoDecoder(aConfig,
|
|
aLayersBackend,
|
|
aImageContainer,
|
|
aVideoTaskQueue,
|
|
wrapper->Callback()));
|
|
return wrapper.forget();
|
|
}
|
|
|
|
already_AddRefed<MediaDataDecoder>
|
|
GMPDecoderModule::CreateAudioDecoder(const AudioInfo& aConfig,
|
|
FlushableTaskQueue* aAudioTaskQueue,
|
|
MediaDataDecoderCallback* aCallback)
|
|
{
|
|
if (!aConfig.mMimeType.EqualsLiteral("audio/mp4a-latm")) {
|
|
return nullptr;
|
|
}
|
|
|
|
RefPtr<MediaDataDecoderProxy> wrapper = CreateDecoderWrapper(aCallback);
|
|
wrapper->SetProxyTarget(new GMPAudioDecoder(aConfig,
|
|
aAudioTaskQueue,
|
|
wrapper->Callback()));
|
|
return wrapper.forget();
|
|
}
|
|
|
|
PlatformDecoderModule::ConversionRequired
|
|
GMPDecoderModule::DecoderNeedsConversion(const TrackInfo& aConfig) const
|
|
{
|
|
// GMPVideoCodecType::kGMPVideoCodecH264 specifies that encoded frames must be in AVCC format.
|
|
if (aConfig.IsVideo()) {
|
|
return kNeedAVCC;
|
|
} else {
|
|
return kNeedNone;
|
|
}
|
|
}
|
|
|
|
static bool
|
|
HasGMPFor(const nsACString& aAPI,
|
|
const nsACString& aCodec,
|
|
const nsACString& aGMP)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
#ifdef XP_WIN
|
|
// gmp-clearkey uses WMF for decoding, so if we're using clearkey we must
|
|
// verify that WMF works before continuing.
|
|
if (aGMP.EqualsLiteral("org.w3.clearkey")) {
|
|
RefPtr<WMFDecoderModule> pdm(new WMFDecoderModule());
|
|
if (aCodec.EqualsLiteral("aac") &&
|
|
!pdm->SupportsMimeType(NS_LITERAL_CSTRING("audio/mp4a-latm"))) {
|
|
return false;
|
|
}
|
|
if (aCodec.EqualsLiteral("h264") &&
|
|
!pdm->SupportsMimeType(NS_LITERAL_CSTRING("video/avc"))) {
|
|
return false;
|
|
}
|
|
}
|
|
#endif
|
|
nsTArray<nsCString> tags;
|
|
tags.AppendElement(aCodec);
|
|
tags.AppendElement(aGMP);
|
|
nsCOMPtr<mozIGeckoMediaPluginService> mps =
|
|
do_GetService("@mozilla.org/gecko-media-plugin-service;1");
|
|
if (NS_WARN_IF(!mps)) {
|
|
return false;
|
|
}
|
|
bool hasPlugin = false;
|
|
if (NS_FAILED(mps->HasPluginForAPI(aAPI, &tags, &hasPlugin))) {
|
|
return false;
|
|
}
|
|
return hasPlugin;
|
|
}
|
|
|
|
StaticMutex sGMPCodecsMutex;
|
|
|
|
struct GMPCodecs {
|
|
const char* mKeySystem;
|
|
bool mHasAAC;
|
|
bool mHasH264;
|
|
};
|
|
|
|
static GMPCodecs sGMPCodecs[] = {
|
|
{ "org.w3.clearkey", false, false },
|
|
{ "com.adobe.primetime", false, false },
|
|
};
|
|
|
|
void
|
|
GMPDecoderModule::UpdateUsableCodecs()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
StaticMutexAutoLock lock(sGMPCodecsMutex);
|
|
for (GMPCodecs& gmp : sGMPCodecs) {
|
|
gmp.mHasAAC = HasGMPFor(NS_LITERAL_CSTRING(GMP_API_AUDIO_DECODER),
|
|
NS_LITERAL_CSTRING("aac"),
|
|
nsDependentCString(gmp.mKeySystem));
|
|
gmp.mHasH264 = HasGMPFor(NS_LITERAL_CSTRING(GMP_API_VIDEO_DECODER),
|
|
NS_LITERAL_CSTRING("h264"),
|
|
nsDependentCString(gmp.mKeySystem));
|
|
}
|
|
}
|
|
|
|
static uint32_t sPreferredAacGmp = 0;
|
|
static uint32_t sPreferredH264Gmp = 0;
|
|
|
|
/* static */
|
|
void
|
|
GMPDecoderModule::Init()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
// GMPService::HasPluginForAPI is main thread only, so to implement
|
|
// SupportsMimeType() we build a table of the codecs which each whitelisted
|
|
// GMP has and update it when any GMPs are removed or added at runtime.
|
|
UpdateUsableCodecs();
|
|
|
|
Preferences::AddUintVarCache(&sPreferredAacGmp,
|
|
"media.gmp.decoder.aac", 0);
|
|
Preferences::AddUintVarCache(&sPreferredH264Gmp,
|
|
"media.gmp.decoder.h264", 0);
|
|
}
|
|
|
|
/* static */
|
|
const Maybe<nsCString>
|
|
GMPDecoderModule::PreferredGMP(const nsACString& aMimeType)
|
|
{
|
|
Maybe<nsCString> rv;
|
|
if (aMimeType.EqualsLiteral("audio/mp4a-latm")) {
|
|
switch (sPreferredAacGmp) {
|
|
case 1: rv.emplace(NS_LITERAL_CSTRING("org.w3.clearkey")); break;
|
|
case 2: rv.emplace(NS_LITERAL_CSTRING("com.adobe.primetime")); break;
|
|
default: break;
|
|
}
|
|
}
|
|
|
|
if (aMimeType.EqualsLiteral("video/avc") ||
|
|
aMimeType.EqualsLiteral("video/mp4")) {
|
|
switch (sPreferredH264Gmp) {
|
|
case 1: rv.emplace(NS_LITERAL_CSTRING("org.w3.clearkey")); break;
|
|
case 2: rv.emplace(NS_LITERAL_CSTRING("com.adobe.primetime")); break;
|
|
default: break;
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
/* static */
|
|
bool
|
|
GMPDecoderModule::SupportsMimeType(const nsACString& aMimeType,
|
|
const Maybe<nsCString>& aGMP)
|
|
{
|
|
const bool isAAC = aMimeType.EqualsLiteral("audio/mp4a-latm");
|
|
const bool isH264 = aMimeType.EqualsLiteral("video/avc") ||
|
|
aMimeType.EqualsLiteral("video/mp4");
|
|
|
|
StaticMutexAutoLock lock(sGMPCodecsMutex);
|
|
for (GMPCodecs& gmp : sGMPCodecs) {
|
|
if (isAAC && gmp.mHasAAC &&
|
|
(aGMP.isNothing() || aGMP.value().EqualsASCII(gmp.mKeySystem))) {
|
|
return true;
|
|
}
|
|
if (isH264 && gmp.mHasH264 &&
|
|
(aGMP.isNothing() || aGMP.value().EqualsASCII(gmp.mKeySystem))) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
GMPDecoderModule::SupportsMimeType(const nsACString& aMimeType) const
|
|
{
|
|
return SupportsMimeType(aMimeType, PreferredGMP(aMimeType));
|
|
}
|
|
|
|
} // namespace mozilla
|