mirror of
https://github.com/mozilla/gecko-dev.git
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81df5828a7
MediaDecoderReaders are now created from within DecoderTraits. The codec-specific code has been removed from class MediaDecodeTask.
531 lines
11 KiB
C++
531 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "DecoderTraits.h"
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#include "MediaDecoder.h"
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#include "nsCharSeparatedTokenizer.h"
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#ifdef MOZ_MEDIA_PLUGINS
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#include "MediaPluginHost.h"
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#endif
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#ifdef MOZ_OGG
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#include "OggDecoder.h"
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#include "OggReader.h"
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#endif
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#ifdef MOZ_WAVE
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#include "WaveDecoder.h"
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#include "WaveReader.h"
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#endif
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#ifdef MOZ_WEBM
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#include "WebMDecoder.h"
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#include "WebMReader.h"
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#endif
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#ifdef MOZ_RAW
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#include "RawDecoder.h"
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#include "RawReader.h"
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#endif
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#ifdef MOZ_GSTREAMER
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#include "mozilla/Preferences.h"
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#include "GStreamerDecoder.h"
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#include "GStreamerReader.h"
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#endif
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#ifdef MOZ_MEDIA_PLUGINS
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#include "MediaPluginHost.h"
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#include "MediaPluginDecoder.h"
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#include "MediaPluginReader.h"
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#include "MediaPluginHost.h"
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#endif
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#ifdef MOZ_WIDGET_GONK
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#include "MediaOmxDecoder.h"
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#include "MediaOmxReader.h"
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#endif
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#ifdef MOZ_DASH
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#include "DASHDecoder.h"
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#endif
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#ifdef MOZ_WMF
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#include "WMFDecoder.h"
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#include "WMFReader.h"
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#endif
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namespace mozilla
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{
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template <class String>
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static bool
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CodecListContains(char const *const * aCodecs, const String& aCodec)
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{
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for (int32_t i = 0; aCodecs[i]; ++i) {
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if (aCodec.EqualsASCII(aCodecs[i]))
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return true;
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}
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return false;
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}
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#ifdef MOZ_RAW
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static const char* gRawTypes[3] = {
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"video/x-raw",
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"video/x-raw-yuv",
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nullptr
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};
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static const char* gRawCodecs[1] = {
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nullptr
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};
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/* static */
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bool
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DecoderTraits::IsRawType(const nsACString& aType)
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{
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if (!MediaDecoder::IsRawEnabled()) {
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return false;
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}
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return CodecListContains(gRawTypes, aType);
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}
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#endif
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#ifdef MOZ_OGG
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// See http://www.rfc-editor.org/rfc/rfc5334.txt for the definitions
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// of Ogg media types and codec types
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static const char* const gOggTypes[4] = {
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"video/ogg",
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"audio/ogg",
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"application/ogg",
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nullptr
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};
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static char const *const gOggCodecs[3] = {
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"vorbis",
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"theora",
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nullptr
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};
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static char const *const gOggCodecsWithOpus[4] = {
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"vorbis",
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"opus",
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"theora",
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nullptr
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};
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bool
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DecoderTraits::IsOggType(const nsACString& aType)
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{
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if (!MediaDecoder::IsOggEnabled()) {
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return false;
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}
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return CodecListContains(gOggTypes, aType);
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}
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#endif
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#ifdef MOZ_WAVE
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// See http://www.rfc-editor.org/rfc/rfc2361.txt for the definitions
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// of WAVE media types and codec types. However, the audio/vnd.wave
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// MIME type described there is not used.
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static const char* const gWaveTypes[5] = {
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"audio/x-wav",
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"audio/wav",
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"audio/wave",
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"audio/x-pn-wav",
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nullptr
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};
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static char const *const gWaveCodecs[2] = {
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"1", // Microsoft PCM Format
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nullptr
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};
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bool
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DecoderTraits::IsWaveType(const nsACString& aType)
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{
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if (!MediaDecoder::IsWaveEnabled()) {
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return false;
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}
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return CodecListContains(gWaveTypes, aType);
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}
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#endif
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#ifdef MOZ_WEBM
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static const char* const gWebMTypes[3] = {
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"video/webm",
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"audio/webm",
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nullptr
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};
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static char const *const gWebMCodecs[4] = {
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"vp8",
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"vp8.0",
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"vorbis",
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nullptr
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};
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bool
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DecoderTraits::IsWebMType(const nsACString& aType)
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{
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if (!MediaDecoder::IsWebMEnabled()) {
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return false;
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}
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return CodecListContains(gWebMTypes, aType);
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}
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#endif
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#ifdef MOZ_GSTREAMER
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static const char* const gH264Types[4] = {
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"video/mp4",
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"video/3gpp",
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"video/quicktime",
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nullptr
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};
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bool
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DecoderTraits::IsGStreamerSupportedType(const nsACString& aMimeType)
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{
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if (!MediaDecoder::IsGStreamerEnabled())
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return false;
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if (IsH264Type(aMimeType))
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return true;
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if (!Preferences::GetBool("media.prefer-gstreamer", false))
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return false;
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#ifdef MOZ_WEBM
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if (IsWebMType(aMimeType))
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return true;
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#endif
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#ifdef MOZ_OGG
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if (IsOggType(aMimeType))
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return true;
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#endif
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return false;
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}
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bool
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DecoderTraits::IsH264Type(const nsACString& aType)
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{
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return CodecListContains(gH264Types, aType);
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}
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#endif
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#ifdef MOZ_WIDGET_GONK
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static const char* const gOmxTypes[6] = {
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"audio/mpeg",
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"audio/mp4",
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"video/mp4",
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"video/3gpp",
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"video/quicktime",
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nullptr
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};
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bool
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DecoderTraits::IsOmxSupportedType(const nsACString& aType)
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{
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if (!MediaDecoder::IsOmxEnabled()) {
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return false;
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}
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return CodecListContains(gOmxTypes, aType);
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}
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#endif
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#if defined(MOZ_GSTREAMER) || defined(MOZ_WIDGET_GONK)
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static char const *const gH264Codecs[9] = {
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"avc1.42E01E", // H.264 Constrained Baseline Profile Level 3.0
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"avc1.42001E", // H.264 Baseline Profile Level 3.0
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"avc1.58A01E", // H.264 Extended Profile Level 3.0
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"avc1.4D401E", // H.264 Main Profile Level 3.0
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"avc1.64001E", // H.264 High Profile Level 3.0
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"avc1.64001F", // H.264 High Profile Level 3.1
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"mp4v.20.3", // 3GPP
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"mp4a.40.2", // AAC-LC
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nullptr
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};
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#endif
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#ifdef MOZ_MEDIA_PLUGINS
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bool
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DecoderTraits::IsMediaPluginsType(const nsACString& aType)
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{
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if (!MediaDecoder::IsMediaPluginsEnabled()) {
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return false;
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}
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static const char* supportedTypes[] = {
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"audio/mpeg", "audio/mp4", "video/mp4", nullptr
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};
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return CodecListContains(supportedTypes, aType);
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}
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#endif
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#ifdef MOZ_DASH
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/* static */
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static const char* const gDASHMPDTypes[2] = {
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"application/dash+xml",
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nullptr
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};
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/* static */
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bool
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DecoderTraits::IsDASHMPDType(const nsACString& aType)
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{
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if (!MediaDecoder::IsDASHEnabled()) {
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return false;
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}
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return CodecListContains(gDASHMPDTypes, aType);
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}
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#endif
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#ifdef MOZ_WMF
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bool DecoderTraits::IsWMFSupportedType(const nsACString& aType)
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{
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return WMFDecoder::GetSupportedCodecs(aType, nullptr);
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}
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#endif
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/* static */
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bool DecoderTraits::ShouldHandleMediaType(const char* aMIMEType)
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{
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#ifdef MOZ_WAVE
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if (IsWaveType(nsDependentCString(aMIMEType))) {
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// We should not return true for Wave types, since there are some
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// Wave codecs actually in use in the wild that we don't support, and
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// we should allow those to be handled by plugins or helper apps.
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// Furthermore people can play Wave files on most platforms by other
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// means.
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return false;
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}
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#endif
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return CanHandleMediaType(aMIMEType, false, EmptyString()) != CANPLAY_NO;
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}
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/* static */
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CanPlayStatus
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DecoderTraits::CanHandleMediaType(const char* aMIMEType,
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bool aHaveRequestedCodecs,
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const nsAString& aRequestedCodecs)
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{
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char const* const* codecList = nullptr;
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CanPlayStatus result = CANPLAY_NO;
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#ifdef MOZ_RAW
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if (IsRawType(nsDependentCString(aMIMEType))) {
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codecList = gRawCodecs;
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result = CANPLAY_MAYBE;
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}
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#endif
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#ifdef MOZ_OGG
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if (IsOggType(nsDependentCString(aMIMEType))) {
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codecList = MediaDecoder::IsOpusEnabled() ? gOggCodecsWithOpus : gOggCodecs;
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result = CANPLAY_MAYBE;
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}
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#endif
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#ifdef MOZ_WAVE
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if (IsWaveType(nsDependentCString(aMIMEType))) {
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codecList = gWaveCodecs;
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result = CANPLAY_MAYBE;
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}
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#endif
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#ifdef MOZ_WEBM
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if (IsWebMType(nsDependentCString(aMIMEType))) {
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codecList = gWebMCodecs;
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result = CANPLAY_YES;
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}
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#endif
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#ifdef MOZ_DASH
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if (IsDASHMPDType(nsDependentCString(aMIMEType))) {
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// DASH manifest uses WebM codecs only.
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codecList = gWebMCodecs;
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result = CANPLAY_YES;
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}
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#endif
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#ifdef MOZ_GSTREAMER
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if (IsH264Type(nsDependentCString(aMIMEType))) {
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codecList = gH264Codecs;
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result = CANPLAY_MAYBE;
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}
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#endif
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#ifdef MOZ_WIDGET_GONK
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if (IsOmxSupportedType(nsDependentCString(aMIMEType))) {
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codecList = gH264Codecs;
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result = CANPLAY_MAYBE;
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}
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#endif
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#ifdef MOZ_WMF
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if (WMFDecoder::GetSupportedCodecs(nsDependentCString(aMIMEType), &codecList)) {
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result = CANPLAY_MAYBE;
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}
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#endif
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#ifdef MOZ_MEDIA_PLUGINS
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if (MediaDecoder::IsMediaPluginsEnabled() &&
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GetMediaPluginHost()->FindDecoder(nsDependentCString(aMIMEType), &codecList))
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result = CANPLAY_MAYBE;
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#endif
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if (result == CANPLAY_NO || !aHaveRequestedCodecs) {
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return result;
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}
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// See http://www.rfc-editor.org/rfc/rfc4281.txt for the description
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// of the 'codecs' parameter
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nsCharSeparatedTokenizer tokenizer(aRequestedCodecs, ',');
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bool expectMoreTokens = false;
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while (tokenizer.hasMoreTokens()) {
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const nsSubstring& token = tokenizer.nextToken();
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if (!CodecListContains(codecList, token)) {
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// Totally unsupported codec
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return CANPLAY_NO;
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}
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expectMoreTokens = tokenizer.lastTokenEndedWithSeparator();
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}
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if (expectMoreTokens) {
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// Last codec name was empty
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return CANPLAY_NO;
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}
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return CANPLAY_YES;
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}
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/* static */
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already_AddRefed<MediaDecoder>
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DecoderTraits::CreateDecoder(const nsACString& aType, MediaDecoderOwner* aOwner)
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{
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nsRefPtr<MediaDecoder> decoder;
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#ifdef MOZ_GSTREAMER
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if (IsGStreamerSupportedType(aType)) {
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decoder = new GStreamerDecoder();
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}
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#endif
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#ifdef MOZ_RAW
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if (IsRawType(aType)) {
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decoder = new RawDecoder();
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}
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#endif
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#ifdef MOZ_OGG
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if (IsOggType(aType)) {
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decoder = new OggDecoder();
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}
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#endif
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#ifdef MOZ_WAVE
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if (IsWaveType(aType)) {
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decoder = new WaveDecoder();
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}
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#endif
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#ifdef MOZ_WIDGET_GONK
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if (IsOmxSupportedType(aType)) {
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decoder = new MediaOmxDecoder();
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}
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#endif
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#ifdef MOZ_MEDIA_PLUGINS
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if (IsMediaPluginsEnabled() && GetMediaPluginHost()->FindDecoder(aType, NULL)) {
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decoder = new MediaPluginDecoder(aType);
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}
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#endif
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#ifdef MOZ_WEBM
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if (IsWebMType(aType)) {
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decoder = new WebMDecoder();
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}
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#endif
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#ifdef MOZ_DASH
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if (IsDASHMPDType(aType)) {
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decoder = new DASHDecoder();
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}
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#endif
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#ifdef MOZ_WMF
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if (IsWMFSupportedType(aType)) {
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decoder = new WMFDecoder();
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}
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#endif
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NS_ENSURE_TRUE(decoder != nullptr, nullptr);
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NS_ENSURE_TRUE(decoder->Init(aOwner), nullptr);
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return decoder.forget();
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}
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/* static */
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MediaDecoderReader* DecoderTraits::CreateReader(const nsACString& aType, AbstractMediaDecoder* aDecoder)
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{
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MediaDecoderReader* decoderReader = nullptr;
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#ifdef MOZ_GSTREAMER
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if (IsGStreamerSupportedType(aType)) {
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decoderReader = new GStreamerReader(aDecoder);
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} else
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#endif
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#ifdef MOZ_RAW
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if (IsRawType(aType)) {
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decoderReader = new RawReader(aDecoder);
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} else
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#endif
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#ifdef MOZ_OGG
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if (IsOggType(aType)) {
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decoderReader = new OggReader(aDecoder);
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} else
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#endif
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#ifdef MOZ_WAVE
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if (IsWaveType(aType)) {
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decoderReader = new WaveReader(aDecoder);
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} else
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#endif
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#ifdef MOZ_WIDGET_GONK
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if (IsOmxSupportedType(aType)) {
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decoderReader = new MediaOmxReader(aDecoder);
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} else
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#endif
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#ifdef MOZ_MEDIA_PLUGINS
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if (MediaDecoder::IsMediaPluginsEnabled() &&
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GetMediaPluginHost()->FindDecoder(aType, nullptr)) {
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decoderReader = new MediaPluginReader(aDecoder, aType);
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} else
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#endif
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#ifdef MOZ_WEBM
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if (IsWebMType(aType)) {
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decoderReader = new WebMReader(aDecoder);
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} else
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#endif
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#ifdef MOZ_WMF
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if (IsWMFSupportedType(aType)) {
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decoderReader = new WMFReader(aDecoder);
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} else
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#endif
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#ifdef MOZ_DASH
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// The DASH decoder is not supported.
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#endif
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if (false) {} // dummy if to take care of the dangling else
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return decoderReader;
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}
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/* static */
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bool DecoderTraits::IsSupportedInVideoDocument(const nsACString& aType)
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{
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return
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#ifdef MOZ_OGG
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IsOggType(aType) ||
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#endif
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#ifdef MOZ_WIDGET_GONK
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IsOmxSupportedType(aType) ||
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#endif
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#ifdef MOZ_WEBM
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IsWebMType(aType) ||
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#endif
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#ifdef MOZ_DASH
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IsDASHMPDType(aType) ||
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#endif
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#ifdef MOZ_GSTREAMER
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IsGStreamerSupportedType(aType) ||
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#endif
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#ifdef MOZ_MEDIA_PLUGINS
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(mozilla::MediaDecoder::IsMediaPluginsEnabled() && IsMediaPluginsType(aType)) ||
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#endif
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#ifdef MOZ_WMF
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IsWMFSupportedType(aType) ||
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#endif
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false;
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}
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}
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