1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
/* -*- 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 "AgnosticDecoderModule.h"
#include "OpusDecoder.h"
#include "TheoraDecoder.h"
#include "VPXDecoder.h"
#include "VorbisDecoder.h"
#include "WAVDecoder.h"
#include "mozilla/Logging.h"
#include "mozilla/StaticPrefs_media.h"
#include "VideoUtils.h"
#ifdef MOZ_AV1
# include "AOMDecoder.h"
# include "DAV1DDecoder.h"
#endif
namespace mozilla {
enum class DecoderType {
#ifdef MOZ_AV1
AV1,
#endif
Opus,
Theora,
Vorbis,
VPX,
Wave,
};
static bool IsAvailableInDefault(DecoderType type) {
switch (type) {
#ifdef MOZ_AV1
case DecoderType::AV1:
return StaticPrefs::media_av1_enabled();
#endif
case DecoderType::Opus:
case DecoderType::Theora:
case DecoderType::Vorbis:
case DecoderType::VPX:
case DecoderType::Wave:
return true;
default:
return false;
}
}
static bool IsAvailableInRdd(DecoderType type) {
switch (type) {
#ifdef MOZ_AV1
case DecoderType::AV1:
return StaticPrefs::media_av1_enabled();
#endif
case DecoderType::Opus:
return StaticPrefs::media_rdd_opus_enabled();
case DecoderType::Theora:
return StaticPrefs::media_rdd_theora_enabled();
case DecoderType::Vorbis:
#if defined(__MINGW32__)
// If this is a MinGW build we need to force AgnosticDecoderModule to
// handle the decision to support Vorbis decoding (instead of
// RDD/RemoteDecoderModule) because of Bug 1597408 (Vorbis decoding on
// RDD causing sandboxing failure on MinGW-clang). Typically this
// would be dealt with using defines in StaticPrefList.yaml, but we
// must handle it here because of Bug 1598426 (the __MINGW32__ define
// isn't supported in StaticPrefList.yaml).
return false;
#else
return StaticPrefs::media_rdd_vorbis_enabled();
#endif
case DecoderType::VPX:
return StaticPrefs::media_rdd_vpx_enabled();
case DecoderType::Wave:
return StaticPrefs::media_rdd_wav_enabled();
default:
return false;
}
}
static bool IsAvailableInUtility(DecoderType type) {
switch (type) {
case DecoderType::Opus:
return StaticPrefs::media_utility_opus_enabled();
case DecoderType::Vorbis:
#if defined(__MINGW32__)
// If this is a MinGW build we need to force AgnosticDecoderModule to
// handle the decision to support Vorbis decoding (instead of
// Utility/RemoteDecoderModule) because of Bug 1597408 (Vorbis decoding on
// Utility causing sandboxing failure on MinGW-clang). Typically this
// would be dealt with using defines in StaticPrefList.yaml, but we
// must handle it here because of Bug 1598426 (the __MINGW32__ define
// isn't supported in StaticPrefList.yaml).
return false;
#else
return StaticPrefs::media_utility_vorbis_enabled();
#endif
case DecoderType::Wave:
return StaticPrefs::media_utility_wav_enabled();
case DecoderType::Theora: // Video codecs, dont take care of them
case DecoderType::VPX:
default:
return false;
}
}
// Checks if decoder is available in the current process
static bool IsAvailable(DecoderType type) {
return XRE_IsRDDProcess() ? IsAvailableInRdd(type)
: XRE_IsUtilityProcess() ? IsAvailableInUtility(type)
: IsAvailableInDefault(type);
}
media::DecodeSupportSet AgnosticDecoderModule::SupportsMimeType(
const nsACString& aMimeType, DecoderDoctorDiagnostics* aDiagnostics) const {
UniquePtr<TrackInfo> trackInfo = CreateTrackInfoWithMIMEType(aMimeType);
if (!trackInfo) {
return media::DecodeSupport::Unsupported;
}
return Supports(SupportDecoderParams(*trackInfo), aDiagnostics);
}
media::DecodeSupportSet AgnosticDecoderModule::Supports(
const SupportDecoderParams& aParams,
DecoderDoctorDiagnostics* aDiagnostics) const {
// This should only be supported by MFMediaEngineDecoderModule.
if (aParams.mMediaEngineId) {
return media::DecodeSupport::Unsupported;
}
const auto& trackInfo = aParams.mConfig;
const nsACString& mimeType = trackInfo.mMimeType;
bool supports =
#ifdef MOZ_AV1
// We remove support for decoding AV1 here if RDD is enabled so that
// decoding on the content process doesn't accidentally happen in case
// something goes wrong with launching the RDD process.
(AOMDecoder::IsAV1(mimeType) && IsAvailable(DecoderType::AV1)) ||
#endif
(VPXDecoder::IsVPX(mimeType) && IsAvailable(DecoderType::VPX)) ||
(TheoraDecoder::IsTheora(mimeType) && IsAvailable(DecoderType::Theora)) ||
(VorbisDataDecoder::IsVorbis(mimeType) &&
IsAvailable(DecoderType::Vorbis)) ||
(WaveDataDecoder::IsWave(mimeType) && IsAvailable(DecoderType::Wave)) ||
(OpusDataDecoder::IsOpus(mimeType) && IsAvailable(DecoderType::Opus));
MOZ_LOG(sPDMLog, LogLevel::Debug,
("Agnostic decoder %s requested type '%s'",
supports ? "supports" : "rejects", mimeType.BeginReading()));
if (supports) {
return media::DecodeSupport::SoftwareDecode;
}
return media::DecodeSupport::Unsupported;
}
already_AddRefed<MediaDataDecoder> AgnosticDecoderModule::CreateVideoDecoder(
const CreateDecoderParams& aParams) {
if (Supports(SupportDecoderParams(aParams), nullptr /* diagnostic */) ==
media::DecodeSupport::Unsupported) {
return nullptr;
}
RefPtr<MediaDataDecoder> m;
if (VPXDecoder::IsVPX(aParams.mConfig.mMimeType)) {
m = new VPXDecoder(aParams);
}
#ifdef MOZ_AV1
// We remove support for decoding AV1 here if RDD is enabled so that
// decoding on the content process doesn't accidentally happen in case
// something goes wrong with launching the RDD process.
if (StaticPrefs::media_av1_enabled() &&
(!StaticPrefs::media_rdd_process_enabled() || XRE_IsRDDProcess()) &&
AOMDecoder::IsAV1(aParams.mConfig.mMimeType)) {
if (StaticPrefs::media_av1_use_dav1d()) {
m = new DAV1DDecoder(aParams);
} else {
m = new AOMDecoder(aParams);
}
}
#endif
else if (TheoraDecoder::IsTheora(aParams.mConfig.mMimeType)) {
m = new TheoraDecoder(aParams);
}
return m.forget();
}
already_AddRefed<MediaDataDecoder> AgnosticDecoderModule::CreateAudioDecoder(
const CreateDecoderParams& aParams) {
if (Supports(SupportDecoderParams(aParams), nullptr /* diagnostic */) ==
media::DecodeSupport::Unsupported) {
return nullptr;
}
RefPtr<MediaDataDecoder> m;
const TrackInfo& config = aParams.mConfig;
if (VorbisDataDecoder::IsVorbis(config.mMimeType)) {
m = new VorbisDataDecoder(aParams);
} else if (OpusDataDecoder::IsOpus(config.mMimeType)) {
m = new OpusDataDecoder(aParams);
} else if (WaveDataDecoder::IsWave(config.mMimeType)) {
m = new WaveDataDecoder(aParams);
}
return m.forget();
}
/* static */
already_AddRefed<PlatformDecoderModule> AgnosticDecoderModule::Create() {
RefPtr<PlatformDecoderModule> pdm = new AgnosticDecoderModule();
return pdm.forget();
}
} // namespace mozilla
|
