mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-01 22:55:23 +00:00
684 lines
16 KiB
C++
684 lines
16 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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#include "mozilla/Preferences.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 "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_OMX_DECODER
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#include "MediaOmxDecoder.h"
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#include "MediaOmxReader.h"
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#include "nsIPrincipal.h"
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#include "mozilla/dom/HTMLMediaElement.h"
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#endif
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#ifdef NECKO_PROTOCOL_rtsp
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#include "RtspOmxDecoder.h"
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#include "RtspOmxReader.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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#ifdef MOZ_DIRECTSHOW
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#include "DirectShowDecoder.h"
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#include "DirectShowReader.h"
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#endif
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#ifdef MOZ_APPLEMEDIA
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#include "AppleDecoder.h"
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#include "AppleMP3Reader.h"
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#endif
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#ifdef MOZ_FMP4
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#include "MP4Reader.h"
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#include "MP4Decoder.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 bool
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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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static bool
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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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static bool
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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[7] = {
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"vp8",
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"vp8.0",
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"vp9",
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"vp9.0",
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"vorbis",
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"opus",
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nullptr
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};
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static bool
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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 bool
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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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#ifdef MOZ_WEBM
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if (IsWebMType(aMimeType) && !Preferences::GetBool("media.prefer-gstreamer", false))
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return false;
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#endif
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#ifdef MOZ_OGG
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if (IsOggType(aMimeType) && !Preferences::GetBool("media.prefer-gstreamer", false))
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return false;
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#endif
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return GStreamerDecoder::CanHandleMediaType(aMimeType, nullptr);
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}
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#endif
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#ifdef MOZ_OMX_DECODER
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static const char* const gOmxTypes[7] = {
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"audio/mpeg",
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"audio/mp4",
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"audio/amr",
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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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static bool
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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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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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static char const *const gMpegAudioCodecs[2] = {
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"mp3", // MP3
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nullptr
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};
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#endif
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#ifdef NECKO_PROTOCOL_rtsp
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static const char* const gRtspTypes[2] = {
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"RTSP",
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nullptr
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};
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static bool
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IsRtspSupportedType(const nsACString& aMimeType)
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{
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return MediaDecoder::IsRtspEnabled() &&
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CodecListContains(gRtspTypes, aMimeType);
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}
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#endif
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/* static */
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bool DecoderTraits::DecoderWaitsForOnConnected(const nsACString& aMimeType) {
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#ifdef NECKO_PROTOCOL_rtsp
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return CodecListContains(gRtspTypes, aMimeType);
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#else
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return false;
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#endif
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}
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#ifdef MOZ_MEDIA_PLUGINS
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static bool
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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_WMF
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static bool
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IsWMFSupportedType(const nsACString& aType)
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{
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return WMFDecoder::CanPlayType(aType, NS_LITERAL_STRING(""));
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}
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#endif
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#ifdef MOZ_DIRECTSHOW
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static bool
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IsDirectShowSupportedType(const nsACString& aType)
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{
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return DirectShowDecoder::GetSupportedCodecs(aType, nullptr);
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}
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#endif
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#ifdef MOZ_FMP4
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static bool
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IsMP4SupportedType(const nsACString& aType)
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{
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return Preferences::GetBool("media.fragmented-mp4.exposed", false) &&
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MP4Decoder::GetSupportedCodecs(aType, nullptr);
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}
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#endif
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#ifdef MOZ_APPLEMEDIA
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static const char * const gAppleMP3Types[] = {
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"audio/mp3",
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"audio/mpeg",
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nullptr,
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};
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static const char * const gAppleMP3Codecs[] = {
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"mp3",
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nullptr
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};
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static bool
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IsAppleMediaSupportedType(const nsACString& aType,
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const char * const ** aCodecs = nullptr)
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{
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if (MediaDecoder::IsAppleMP3Enabled()
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&& CodecListContains(gAppleMP3Types, aType)) {
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if (aCodecs) {
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*aCodecs = gAppleMP3Codecs;
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}
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return true;
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}
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// TODO MP4
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return false;
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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_MAYBE;
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}
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#endif
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#ifdef MOZ_GSTREAMER
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if (GStreamerDecoder::CanHandleMediaType(nsDependentCString(aMIMEType),
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aHaveRequestedCodecs ? &aRequestedCodecs : nullptr)) {
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if (aHaveRequestedCodecs)
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return CANPLAY_YES;
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return CANPLAY_MAYBE;
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}
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#endif
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#ifdef MOZ_OMX_DECODER
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if (IsOmxSupportedType(nsDependentCString(aMIMEType))) {
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result = CANPLAY_MAYBE;
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if (nsDependentCString(aMIMEType).EqualsASCII("audio/mpeg")) {
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codecList = gMpegAudioCodecs;
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} else {
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codecList = gH264Codecs;
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}
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}
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#endif
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#ifdef MOZ_WMF
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if (IsWMFSupportedType(nsDependentCString(aMIMEType))) {
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if (!aHaveRequestedCodecs) {
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return CANPLAY_MAYBE;
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}
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return WMFDecoder::CanPlayType(nsDependentCString(aMIMEType),
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aRequestedCodecs)
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? CANPLAY_YES : CANPLAY_NO;
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}
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#endif
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#ifdef MOZ_DIRECTSHOW
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if (DirectShowDecoder::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_APPLEMEDIA
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if (IsAppleMediaSupportedType(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 || !codecList) {
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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.separatorAfterCurrentToken();
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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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// Instantiates but does not initialize decoder.
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static
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already_AddRefed<MediaDecoder>
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InstantiateDecoder(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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return decoder.forget();
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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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return decoder.forget();
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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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return decoder.forget();
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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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return decoder.forget();
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}
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#endif
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#ifdef MOZ_OMX_DECODER
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if (IsOmxSupportedType(aType)) {
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// AMR audio is enabled for MMS, but we are discouraging Web and App
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// developers from using AMR, thus we only allow AMR to be played on WebApps.
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if (aType.EqualsASCII("audio/amr")) {
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dom::HTMLMediaElement* element = aOwner->GetMediaElement();
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if (!element) {
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return nullptr;
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}
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nsIPrincipal* principal = element->NodePrincipal();
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if (!principal) {
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return nullptr;
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}
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if (principal->GetAppStatus() < nsIPrincipal::APP_STATUS_PRIVILEGED) {
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return nullptr;
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}
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}
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decoder = new MediaOmxDecoder();
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return decoder.forget();
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}
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#endif
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#ifdef NECKO_PROTOCOL_rtsp
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if (IsRtspSupportedType(aType)) {
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decoder = new RtspOmxDecoder();
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return decoder.forget();
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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(aType, nullptr)) {
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decoder = new MediaPluginDecoder(aType);
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return decoder.forget();
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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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return decoder.forget();
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}
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#endif
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#ifdef MOZ_DIRECTSHOW
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// Note: DirectShow decoder must come before WMFDecoder, else the pref
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// "media.directshow.preferred" won't be honored.
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if (IsDirectShowSupportedType(aType)) {
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decoder = new DirectShowDecoder();
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return decoder.forget();
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}
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#endif
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#ifdef MOZ_FMP4
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if (IsMP4SupportedType(aType)) {
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decoder = new MP4Decoder();
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return decoder.forget();
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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();
|
|
return decoder.forget();
|
|
}
|
|
#endif
|
|
#ifdef MOZ_APPLEMEDIA
|
|
if (IsAppleMediaSupportedType(aType)) {
|
|
decoder = new AppleDecoder();
|
|
return decoder.forget();
|
|
}
|
|
#endif
|
|
|
|
NS_ENSURE_TRUE(decoder != nullptr, nullptr);
|
|
NS_ENSURE_TRUE(decoder->Init(aOwner), nullptr);
|
|
return nullptr;
|
|
}
|
|
|
|
/* static */
|
|
already_AddRefed<MediaDecoder>
|
|
DecoderTraits::CreateDecoder(const nsACString& aType, MediaDecoderOwner* aOwner)
|
|
{
|
|
nsRefPtr<MediaDecoder> decoder(InstantiateDecoder(aType, aOwner));
|
|
NS_ENSURE_TRUE(decoder != nullptr, nullptr);
|
|
NS_ENSURE_TRUE(decoder->Init(aOwner), nullptr);
|
|
|
|
return decoder.forget();
|
|
}
|
|
|
|
/* static */
|
|
MediaDecoderReader* DecoderTraits::CreateReader(const nsACString& aType, AbstractMediaDecoder* aDecoder)
|
|
{
|
|
MediaDecoderReader* decoderReader = nullptr;
|
|
|
|
#ifdef MOZ_GSTREAMER
|
|
if (IsGStreamerSupportedType(aType)) {
|
|
decoderReader = new GStreamerReader(aDecoder);
|
|
} else
|
|
#endif
|
|
#ifdef MOZ_RAW
|
|
if (IsRawType(aType)) {
|
|
decoderReader = new RawReader(aDecoder);
|
|
} else
|
|
#endif
|
|
#ifdef MOZ_OGG
|
|
if (IsOggType(aType)) {
|
|
decoderReader = new OggReader(aDecoder);
|
|
} else
|
|
#endif
|
|
#ifdef MOZ_WAVE
|
|
if (IsWaveType(aType)) {
|
|
decoderReader = new WaveReader(aDecoder);
|
|
} else
|
|
#endif
|
|
#ifdef MOZ_OMX_DECODER
|
|
if (IsOmxSupportedType(aType)) {
|
|
decoderReader = new MediaOmxReader(aDecoder);
|
|
} else
|
|
#endif
|
|
#ifdef MOZ_MEDIA_PLUGINS
|
|
if (MediaDecoder::IsMediaPluginsEnabled() &&
|
|
GetMediaPluginHost()->FindDecoder(aType, nullptr)) {
|
|
decoderReader = new MediaPluginReader(aDecoder, aType);
|
|
} else
|
|
#endif
|
|
#ifdef MOZ_WEBM
|
|
if (IsWebMType(aType)) {
|
|
decoderReader = new WebMReader(aDecoder);
|
|
} else
|
|
#endif
|
|
#ifdef MOZ_DIRECTSHOW
|
|
// Note: DirectShowReader is preferred for MP3, but if it's disabled we
|
|
// fallback to the WMFReader.
|
|
if (IsDirectShowSupportedType(aType)) {
|
|
decoderReader = new DirectShowReader(aDecoder);
|
|
} else
|
|
#endif
|
|
#ifdef MOZ_FMP4
|
|
if (IsMP4SupportedType(aType)) {
|
|
decoderReader = new MP4Reader(aDecoder);
|
|
} else
|
|
#endif
|
|
#ifdef MOZ_WMF
|
|
if (IsWMFSupportedType(aType)) {
|
|
decoderReader = new WMFReader(aDecoder);
|
|
} else
|
|
#endif
|
|
#ifdef MOZ_APPLEMEDIA
|
|
if (IsAppleMediaSupportedType(aType)) {
|
|
decoderReader = new AppleMP3Reader(aDecoder);
|
|
} else
|
|
#endif
|
|
if (false) {} // dummy if to take care of the dangling else
|
|
|
|
return decoderReader;
|
|
}
|
|
|
|
/* static */
|
|
bool DecoderTraits::IsSupportedInVideoDocument(const nsACString& aType)
|
|
{
|
|
return
|
|
#ifdef MOZ_OGG
|
|
IsOggType(aType) ||
|
|
#endif
|
|
#ifdef MOZ_OMX_DECODER
|
|
// We support amr inside WebApps on firefoxOS but not in general web content.
|
|
// Ensure we dont create a VideoDocument when accessing amr URLs directly.
|
|
(IsOmxSupportedType(aType) && !aType.EqualsASCII("audio/amr")) ||
|
|
#endif
|
|
#ifdef MOZ_WEBM
|
|
IsWebMType(aType) ||
|
|
#endif
|
|
#ifdef MOZ_GSTREAMER
|
|
IsGStreamerSupportedType(aType) ||
|
|
#endif
|
|
#ifdef MOZ_MEDIA_PLUGINS
|
|
(MediaDecoder::IsMediaPluginsEnabled() && IsMediaPluginsType(aType)) ||
|
|
#endif
|
|
#ifdef MOZ_FMP4
|
|
IsMP4SupportedType(aType) ||
|
|
#endif
|
|
#ifdef MOZ_WMF
|
|
(IsWMFSupportedType(aType) &&
|
|
Preferences::GetBool("media.windows-media-foundation.play-stand-alone", true)) ||
|
|
#endif
|
|
#ifdef MOZ_DIRECTSHOW
|
|
IsDirectShowSupportedType(aType) ||
|
|
#endif
|
|
#ifdef MOZ_APPLEMEDIA
|
|
IsAppleMediaSupportedType(aType) ||
|
|
#endif
|
|
false;
|
|
}
|
|
|
|
}
|