gecko-dev/dom/media/DecoderTraits.cpp
Gerald Squelart 5745998021 Bug 1331770 - Rename 'MediaContentType' to 'MediaContainerType' - r=jya
MozReview-Commit-ID: F0BWai8vPyo

--HG--
rename : dom/media/MediaContentType.cpp => dom/media/MediaContainerType.cpp
rename : dom/media/MediaContentType.h => dom/media/MediaContainerType.h
extra : rebase_source : 640ada96750b4496055087e80ae3f600c9df31c9
2017-01-18 11:59:03 +11:00

441 lines
13 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 "DecoderTraits.h"
#include "MediaContainerType.h"
#include "MediaDecoder.h"
#include "nsMimeTypes.h"
#include "mozilla/Preferences.h"
#include "mozilla/Telemetry.h"
#include "OggDecoder.h"
#include "OggDemuxer.h"
#include "WebMDecoder.h"
#include "WebMDemuxer.h"
#ifdef MOZ_ANDROID_OMX
#include "AndroidMediaDecoder.h"
#include "AndroidMediaReader.h"
#include "AndroidMediaPluginHost.h"
#endif
#ifdef MOZ_DIRECTSHOW
#include "DirectShowDecoder.h"
#include "DirectShowReader.h"
#endif
#ifdef MOZ_FMP4
#include "MP4Decoder.h"
#include "MP4Demuxer.h"
#endif
#include "MediaFormatReader.h"
#include "MP3Decoder.h"
#include "MP3Demuxer.h"
#include "WaveDecoder.h"
#include "WaveDemuxer.h"
#include "ADTSDecoder.h"
#include "ADTSDemuxer.h"
#include "FlacDecoder.h"
#include "FlacDemuxer.h"
#include "nsPluginHost.h"
#include "MediaPrefs.h"
namespace mozilla
{
static bool
IsHttpLiveStreamingType(const MediaContainerType& aType)
{
return // For m3u8.
// https://tools.ietf.org/html/draft-pantos-http-live-streaming-19#section-10
aType.Type() == MEDIAMIMETYPE("application/vnd.apple.mpegurl")
// Some sites serve these as the informal m3u type.
|| aType.Type() == MEDIAMIMETYPE("application/x-mpegurl")
|| aType.Type() == MEDIAMIMETYPE("audio/x-mpegurl");
}
#ifdef MOZ_ANDROID_OMX
static bool
IsAndroidMediaType(const MediaContainerType& aType)
{
if (!MediaDecoder::IsAndroidMediaPluginEnabled()) {
return false;
}
return aType.Type() == MEDIAMIMETYPE("audio/mpeg")
|| aType.Type() == MEDIAMIMETYPE("audio/mp4")
|| aType.Type() == MEDIAMIMETYPE("video/mp4")
|| aType.Type() == MEDIAMIMETYPE("video/x-m4v");
}
#endif
/* static */ bool
DecoderTraits::IsMP4SupportedType(const MediaContainerType& aType,
DecoderDoctorDiagnostics* aDiagnostics)
{
#ifdef MOZ_FMP4
return MP4Decoder::IsSupportedType(aType, aDiagnostics);
#else
return false;
#endif
}
static
CanPlayStatus
CanHandleCodecsType(const MediaContainerType& aType,
DecoderDoctorDiagnostics* aDiagnostics)
{
// We should have been given a codecs string, though it may be empty.
MOZ_ASSERT(aType.ExtendedType().HaveCodecs());
// Container type with the MIME type, no codecs.
const MediaContainerType mimeType(aType.Type());
if (OggDecoder::IsSupportedType(mimeType)) {
if (OggDecoder::IsSupportedType(aType)) {
return CANPLAY_YES;
} else {
// We can only reach this position if a particular codec was requested,
// ogg is supported and working: the codec must be invalid.
return CANPLAY_NO;
}
}
if (WaveDecoder::IsSupportedType(MediaContainerType(mimeType))) {
if (WaveDecoder::IsSupportedType(aType)) {
return CANPLAY_YES;
} else {
// We can only reach this position if a particular codec was requested,
// ogg is supported and working: the codec must be invalid.
return CANPLAY_NO;
}
}
#if !defined(MOZ_OMX_WEBM_DECODER)
if (WebMDecoder::IsSupportedType(mimeType)) {
if (WebMDecoder::IsSupportedType(aType)) {
return CANPLAY_YES;
} else {
// We can only reach this position if a particular codec was requested,
// webm is supported and working: the codec must be invalid.
return CANPLAY_NO;
}
}
#endif
#ifdef MOZ_FMP4
if (MP4Decoder::IsSupportedType(mimeType,
/* DecoderDoctorDiagnostics* */ nullptr)) {
if (MP4Decoder::IsSupportedType(aType, aDiagnostics)) {
return CANPLAY_YES;
} else {
// We can only reach this position if a particular codec was requested,
// fmp4 is supported and working: the codec must be invalid.
return CANPLAY_NO;
}
}
#endif
if (MP3Decoder::IsSupportedType(aType)) {
return CANPLAY_YES;
}
if (ADTSDecoder::IsSupportedType(aType)) {
return CANPLAY_YES;
}
if (FlacDecoder::IsSupportedType(aType)) {
return CANPLAY_YES;
}
MediaCodecs supportedCodecs;
#ifdef MOZ_DIRECTSHOW
DirectShowDecoder::GetSupportedCodecs(aType, &supportedCodecs);
#endif
#ifdef MOZ_ANDROID_OMX
if (MediaDecoder::IsAndroidMediaPluginEnabled()) {
EnsureAndroidMediaPluginHost()->FindDecoder(aType, &supportedCodecs);
}
#endif
if (supportedCodecs.IsEmpty()) {
return CANPLAY_MAYBE;
}
if (!supportedCodecs.ContainsAll(aType.ExtendedType().Codecs())) {
// At least one requested codec is not supported.
return CANPLAY_NO;
}
return CANPLAY_YES;
}
static
CanPlayStatus
CanHandleMediaType(const MediaContainerType& aType,
DecoderDoctorDiagnostics* aDiagnostics)
{
MOZ_ASSERT(NS_IsMainThread());
if (IsHttpLiveStreamingType(aType)) {
Telemetry::Accumulate(Telemetry::MEDIA_HLS_CANPLAY_REQUESTED, true);
}
if (aType.ExtendedType().HaveCodecs()) {
CanPlayStatus result = CanHandleCodecsType(aType, aDiagnostics);
if (result == CANPLAY_NO || result == CANPLAY_YES) {
return result;
}
}
// Container type with just the MIME type/subtype, no codecs.
const MediaContainerType mimeType(aType.Type());
if (OggDecoder::IsSupportedType(mimeType)) {
return CANPLAY_MAYBE;
}
if (WaveDecoder::IsSupportedType(mimeType)) {
return CANPLAY_MAYBE;
}
#ifdef MOZ_FMP4
if (MP4Decoder::IsSupportedType(mimeType, aDiagnostics)) {
return CANPLAY_MAYBE;
}
#endif
#if !defined(MOZ_OMX_WEBM_DECODER)
if (WebMDecoder::IsSupportedType(mimeType)) {
return CANPLAY_MAYBE;
}
#endif
if (MP3Decoder::IsSupportedType(mimeType)) {
return CANPLAY_MAYBE;
}
if (ADTSDecoder::IsSupportedType(mimeType)) {
return CANPLAY_MAYBE;
}
if (FlacDecoder::IsSupportedType(mimeType)) {
return CANPLAY_MAYBE;
}
#ifdef MOZ_DIRECTSHOW
if (DirectShowDecoder::GetSupportedCodecs(mimeType, nullptr)) {
return CANPLAY_MAYBE;
}
#endif
#ifdef MOZ_ANDROID_OMX
if (MediaDecoder::IsAndroidMediaPluginEnabled() &&
EnsureAndroidMediaPluginHost()->FindDecoder(mimeType, nullptr)) {
return CANPLAY_MAYBE;
}
#endif
return CANPLAY_NO;
}
/* static */
CanPlayStatus
DecoderTraits::CanHandleContainerType(const MediaContainerType& aContainerType,
DecoderDoctorDiagnostics* aDiagnostics)
{
return CanHandleMediaType(aContainerType, aDiagnostics);
}
/* static */
bool DecoderTraits::ShouldHandleMediaType(const char* aMIMEType,
DecoderDoctorDiagnostics* aDiagnostics)
{
Maybe<MediaContainerType> containerType = MakeMediaContainerType(aMIMEType);
if (!containerType) {
return false;
}
if (WaveDecoder::IsSupportedType(*containerType)) {
// We should not return true for Wave types, since there are some
// Wave codecs actually in use in the wild that we don't support, and
// we should allow those to be handled by plugins or helper apps.
// Furthermore people can play Wave files on most platforms by other
// means.
return false;
}
// If an external plugin which can handle quicktime video is available
// (and not disabled), prefer it over native playback as there several
// codecs found in the wild that we do not handle.
if (containerType->Type() == MEDIAMIMETYPE("video/quicktime")) {
RefPtr<nsPluginHost> pluginHost = nsPluginHost::GetInst();
if (pluginHost &&
pluginHost->HavePluginForType(containerType->Type().AsString())) {
return false;
}
}
return CanHandleMediaType(*containerType, aDiagnostics) != CANPLAY_NO;
}
// Instantiates but does not initialize decoder.
static
already_AddRefed<MediaDecoder>
InstantiateDecoder(const MediaContainerType& aType,
MediaDecoderOwner* aOwner,
DecoderDoctorDiagnostics* aDiagnostics)
{
MOZ_ASSERT(NS_IsMainThread());
RefPtr<MediaDecoder> decoder;
#ifdef MOZ_FMP4
if (MP4Decoder::IsSupportedType(aType, aDiagnostics)) {
decoder = new MP4Decoder(aOwner);
return decoder.forget();
}
#endif
if (MP3Decoder::IsSupportedType(aType)) {
decoder = new MP3Decoder(aOwner);
return decoder.forget();
}
if (ADTSDecoder::IsSupportedType(aType)) {
decoder = new ADTSDecoder(aOwner);
return decoder.forget();
}
if (OggDecoder::IsSupportedType(aType)) {
decoder = new OggDecoder(aOwner);
return decoder.forget();
}
if (WaveDecoder::IsSupportedType(aType)) {
decoder = new WaveDecoder(aOwner);
return decoder.forget();
}
if (FlacDecoder::IsSupportedType(aType)) {
decoder = new FlacDecoder(aOwner);
return decoder.forget();
}
#ifdef MOZ_ANDROID_OMX
if (MediaDecoder::IsAndroidMediaPluginEnabled() &&
EnsureAndroidMediaPluginHost()->FindDecoder(aType, nullptr)) {
decoder = new AndroidMediaDecoder(aOwner, aType);
return decoder.forget();
}
#endif
if (WebMDecoder::IsSupportedType(aType)) {
decoder = new WebMDecoder(aOwner);
return decoder.forget();
}
#ifdef MOZ_DIRECTSHOW
// Note: DirectShow should come before WMF, so that we prefer DirectShow's
// MP3 support over WMF's.
if (DirectShowDecoder::GetSupportedCodecs(aType, nullptr)) {
decoder = new DirectShowDecoder(aOwner);
return decoder.forget();
}
#endif
if (IsHttpLiveStreamingType(aType)) {
// We don't have an HLS decoder.
Telemetry::Accumulate(Telemetry::MEDIA_HLS_DECODER_SUCCESS, false);
}
return nullptr;
}
/* static */
already_AddRefed<MediaDecoder>
DecoderTraits::CreateDecoder(const nsACString& aType,
MediaDecoderOwner* aOwner,
DecoderDoctorDiagnostics* aDiagnostics)
{
MOZ_ASSERT(NS_IsMainThread());
Maybe<MediaContainerType> type = MakeMediaContainerType(aType);
if (!type) {
return nullptr;
}
return InstantiateDecoder(*type, aOwner, aDiagnostics);
}
/* static */
MediaDecoderReader*
DecoderTraits::CreateReader(const MediaContainerType& aType,
AbstractMediaDecoder* aDecoder)
{
MOZ_ASSERT(NS_IsMainThread());
MediaDecoderReader* decoderReader = nullptr;
if (!aDecoder) {
return decoderReader;
}
#ifdef MOZ_FMP4
if (MP4Decoder::IsSupportedType(aType,
/* DecoderDoctorDiagnostics* */ nullptr)) {
decoderReader = new MediaFormatReader(aDecoder, new MP4Demuxer(aDecoder->GetResource()));
} else
#endif
if (MP3Decoder::IsSupportedType(aType)) {
decoderReader = new MediaFormatReader(aDecoder, new mp3::MP3Demuxer(aDecoder->GetResource()));
} else
if (ADTSDecoder::IsSupportedType(aType)) {
decoderReader = new MediaFormatReader(aDecoder, new ADTSDemuxer(aDecoder->GetResource()));
} else
if (WaveDecoder::IsSupportedType(aType)) {
decoderReader = new MediaFormatReader(aDecoder, new WAVDemuxer(aDecoder->GetResource()));
} else
if (FlacDecoder::IsSupportedType(aType)) {
decoderReader = new MediaFormatReader(aDecoder, new FlacDemuxer(aDecoder->GetResource()));
} else
if (OggDecoder::IsSupportedType(aType)) {
decoderReader = new MediaFormatReader(aDecoder, new OggDemuxer(aDecoder->GetResource()));
} else
#ifdef MOZ_ANDROID_OMX
if (MediaDecoder::IsAndroidMediaPluginEnabled() &&
EnsureAndroidMediaPluginHost()->FindDecoder(aType, nullptr)) {
decoderReader = new AndroidMediaReader(aDecoder, aType);
} else
#endif
if (WebMDecoder::IsSupportedType(aType)) {
decoderReader =
new MediaFormatReader(aDecoder, new WebMDemuxer(aDecoder->GetResource()));
} else
#ifdef MOZ_DIRECTSHOW
if (DirectShowDecoder::GetSupportedCodecs(aType, nullptr)) {
decoderReader = new DirectShowReader(aDecoder);
} else
#endif
if (false) {} // dummy if to take care of the dangling else
return decoderReader;
}
/* static */
bool DecoderTraits::IsSupportedInVideoDocument(const nsACString& aType)
{
// Forbid playing media in video documents if the user has opted
// not to, using either the legacy WMF specific pref, or the newer
// catch-all pref.
if (!Preferences::GetBool("media.windows-media-foundation.play-stand-alone", true) ||
!Preferences::GetBool("media.play-stand-alone", true)) {
return false;
}
Maybe<MediaContainerType> type = MakeMediaContainerType(aType);
if (!type) {
return false;
}
return
OggDecoder::IsSupportedType(*type) ||
WebMDecoder::IsSupportedType(*type) ||
#ifdef MOZ_ANDROID_OMX
(MediaDecoder::IsAndroidMediaPluginEnabled() && IsAndroidMediaType(*type)) ||
#endif
#ifdef MOZ_FMP4
MP4Decoder::IsSupportedType(*type, /* DecoderDoctorDiagnostics* */ nullptr) ||
#endif
MP3Decoder::IsSupportedType(*type) ||
ADTSDecoder::IsSupportedType(*type) ||
FlacDecoder::IsSupportedType(*type) ||
#ifdef MOZ_DIRECTSHOW
DirectShowDecoder::GetSupportedCodecs(*type, nullptr) ||
#endif
false;
}
} // namespace mozilla