OLD | NEW |
1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/renderer/media/gpu/rtc_video_encoder_factory.h" | 5 #include "content/renderer/media/gpu/rtc_video_encoder_factory.h" |
6 | 6 |
7 #include "base/command_line.h" | 7 #include "base/command_line.h" |
8 #include "content/public/common/content_features.h" | 8 #include "content/public/common/content_features.h" |
9 #include "content/public/common/content_switches.h" | 9 #include "content/public/common/content_switches.h" |
10 #include "content/public/common/feature_h264_with_openh264_ffmpeg.h" | 10 #include "content/public/common/feature_h264_with_openh264_ffmpeg.h" |
11 #include "content/renderer/media/gpu/rtc_video_encoder.h" | 11 #include "content/renderer/media/gpu/rtc_video_encoder.h" |
12 #include "media/gpu/ipc/client/gpu_video_encode_accelerator_host.h" | 12 #include "media/gpu/ipc/client/gpu_video_encode_accelerator_host.h" |
13 #include "media/renderers/gpu_video_accelerator_factories.h" | 13 #include "media/renderers/gpu_video_accelerator_factories.h" |
14 #include "third_party/webrtc/common_video/h264/profile_level_id.h" | 14 #include "media/video/video_encode_accelerator.h" |
15 | 15 |
16 namespace content { | 16 namespace content { |
17 | 17 |
18 namespace { | 18 namespace { |
19 | 19 |
20 // Translate from media::VideoEncodeAccelerator::SupportedProfile to | 20 // Translate from media::VideoEncodeAccelerator::SupportedProfile to |
21 // cricket::WebRtcVideoEncoderFactory::VideoCodec, or return nothing if the | 21 // one or more instances of cricket::WebRtcVideoEncoderFactory::VideoCodec |
22 // profile isn't supported. | 22 void VEAToWebRTCCodecs( |
23 base::Optional<cricket::VideoCodec> VEAToWebRTCCodec( | 23 std::vector<cricket::VideoCodec>* codecs, |
24 const media::VideoEncodeAccelerator::SupportedProfile& profile) { | 24 const media::VideoEncodeAccelerator::SupportedProfile& profile) { |
25 DCHECK_EQ(profile.max_framerate_denominator, 1U); | 25 DCHECK_EQ(profile.max_framerate_denominator, 1U); |
26 | 26 |
27 if (profile.profile >= media::VP8PROFILE_MIN && | 27 if (profile.profile >= media::VP8PROFILE_MIN && |
28 profile.profile <= media::VP8PROFILE_MAX) { | 28 profile.profile <= media::VP8PROFILE_MAX) { |
29 if (base::FeatureList::IsEnabled(features::kWebRtcHWVP8Encoding)) { | 29 if (base::FeatureList::IsEnabled(features::kWebRtcHWVP8Encoding)) { |
30 return base::Optional<cricket::VideoCodec>(cricket::VideoCodec("VP8")); | 30 codecs->push_back(cricket::VideoCodec("VP8")); |
31 } | 31 } |
32 } else if (profile.profile >= media::H264PROFILE_MIN && | 32 } else if (profile.profile >= media::H264PROFILE_MIN && |
33 profile.profile <= media::H264PROFILE_MAX) { | 33 profile.profile <= media::H264PROFILE_MAX) { |
34 // Enable H264 HW encode for WebRTC when SW fallback is available, which is | 34 // Enable H264 HW encode for WebRTC when SW fallback is available, which is |
35 // checked by kWebRtcH264WithOpenH264FFmpeg flag. This check should be | 35 // checked by kWebRtcH264WithOpenH264FFmpeg flag. This check should be |
36 // removed when SW implementation is fully enabled. | 36 // removed when SW implementation is fully enabled. |
37 bool webrtc_h264_sw_enabled = false; | 37 bool webrtc_h264_sw_enabled = false; |
38 #if BUILDFLAG(RTC_USE_H264) && !defined(MEDIA_DISABLE_FFMPEG) | 38 #if BUILDFLAG(RTC_USE_H264) && !defined(MEDIA_DISABLE_FFMPEG) |
39 webrtc_h264_sw_enabled = | 39 webrtc_h264_sw_enabled = |
40 base::FeatureList::IsEnabled(kWebRtcH264WithOpenH264FFmpeg); | 40 base::FeatureList::IsEnabled(kWebRtcH264WithOpenH264FFmpeg); |
41 #endif // BUILDFLAG(RTC_USE_H264) && !defined(MEDIA_DISABLE_FFMPEG) | 41 #endif // BUILDFLAG(RTC_USE_H264) && !defined(MEDIA_DISABLE_FFMPEG) |
42 if (webrtc_h264_sw_enabled || | 42 if (webrtc_h264_sw_enabled || |
43 base::FeatureList::IsEnabled(features::kWebRtcHWH264Encoding)) { | 43 base::FeatureList::IsEnabled(features::kWebRtcHWH264Encoding)) { |
44 webrtc::H264::Profile h264_profile; | 44 // TODO(magjed): Propagate H264 profile information. |
45 switch (profile.profile) { | 45 codecs->push_back(cricket::VideoCodec("H264")); |
46 case media::H264PROFILE_BASELINE: | |
47 h264_profile = webrtc::H264::kProfileBaseline; | |
48 break; | |
49 case media::H264PROFILE_MAIN: | |
50 h264_profile = webrtc::H264::kProfileMain; | |
51 break; | |
52 case media::H264PROFILE_HIGH: | |
53 h264_profile = webrtc::H264::kProfileHigh; | |
54 break; | |
55 default: | |
56 // Unsupported H264 profile in WebRTC. | |
57 return base::Optional<cricket::VideoCodec>(); | |
58 } | |
59 | |
60 const int width = profile.max_resolution.width(); | |
61 const int height = profile.max_resolution.height(); | |
62 const int fps = profile.max_framerate_numerator; | |
63 DCHECK_EQ(1u, profile.max_framerate_denominator); | |
64 | |
65 const rtc::Optional<webrtc::H264::Level> h264_level = | |
66 webrtc::H264::SupportedLevel(width * height, fps); | |
67 const webrtc::H264::ProfileLevelId profile_level_id( | |
68 h264_profile, h264_level.value_or(webrtc::H264::kLevel1)); | |
69 | |
70 cricket::VideoCodec codec("H264"); | |
71 codec.SetParam(cricket::kH264FmtpProfileLevelId, | |
72 *webrtc::H264::ProfileLevelIdToString(profile_level_id)); | |
73 codec.SetParam(cricket::kH264FmtpLevelAsymmetryAllowed, "1"); | |
74 codec.SetParam(cricket::kH264FmtpPacketizationMode, "1"); | |
75 return base::Optional<cricket::VideoCodec>(codec); | |
76 } | 46 } |
77 } | 47 } |
78 return base::Optional<cricket::VideoCodec>(); | |
79 } | 48 } |
80 | 49 |
81 } // anonymous namespace | 50 } // anonymous namespace |
82 | 51 |
83 RTCVideoEncoderFactory::RTCVideoEncoderFactory( | 52 RTCVideoEncoderFactory::RTCVideoEncoderFactory( |
84 media::GpuVideoAcceleratorFactories* gpu_factories) | 53 media::GpuVideoAcceleratorFactories* gpu_factories) |
85 : gpu_factories_(gpu_factories) { | 54 : gpu_factories_(gpu_factories) { |
86 const media::VideoEncodeAccelerator::SupportedProfiles& profiles = | 55 const media::VideoEncodeAccelerator::SupportedProfiles& profiles = |
87 gpu_factories_->GetVideoEncodeAcceleratorSupportedProfiles(); | 56 gpu_factories_->GetVideoEncodeAcceleratorSupportedProfiles(); |
88 for (const auto& profile : profiles) { | 57 for (const auto& profile : profiles) |
89 base::Optional<cricket::VideoCodec> codec = VEAToWebRTCCodec(profile); | 58 VEAToWebRTCCodecs(&supported_codecs_, profile); |
90 if (codec) { | |
91 supported_codecs_.push_back(std::move(*codec)); | |
92 profiles_.push_back(profile.profile); | |
93 } | |
94 } | |
95 // There should be a 1:1 mapping between media::VideoCodecProfile and | |
96 // cricket::VideoCodec. | |
97 CHECK_EQ(profiles_.size(), supported_codecs_.size()); | |
98 } | 59 } |
99 | 60 |
100 RTCVideoEncoderFactory::~RTCVideoEncoderFactory() {} | 61 RTCVideoEncoderFactory::~RTCVideoEncoderFactory() {} |
101 | 62 |
102 webrtc::VideoEncoder* RTCVideoEncoderFactory::CreateVideoEncoder( | 63 webrtc::VideoEncoder* RTCVideoEncoderFactory::CreateVideoEncoder( |
103 const cricket::VideoCodec& codec) { | 64 const cricket::VideoCodec& codec) { |
104 for (size_t i = 0; i < supported_codecs_.size(); ++i) { | 65 for (const cricket::VideoCodec& supported_codec : supported_codecs_) { |
105 if (!cricket::CodecNamesEq(codec.name, supported_codecs_[i].name)) | 66 if (cricket::CodecNamesEq(codec.name, supported_codec.name)) { |
106 continue; | 67 webrtc::VideoCodecType type = webrtc::PayloadNameToCodecType(codec.name) |
107 // Check H264 profile. | 68 .value_or(webrtc::kVideoCodecUnknown); |
108 using webrtc::H264::ParseSdpProfileLevelId; | 69 return new RTCVideoEncoder(type, gpu_factories_); |
109 if (cricket::CodecNamesEq(codec.name.c_str(), cricket::kH264CodecName) && | |
110 ParseSdpProfileLevelId(codec.params)->profile != | |
111 ParseSdpProfileLevelId(supported_codecs_[i].params)->profile) { | |
112 continue; | |
113 } | 70 } |
114 // There should be a 1:1 mapping between media::VideoCodecProfile and | |
115 // cricket::VideoCodec. | |
116 CHECK_EQ(profiles_.size(), supported_codecs_.size()); | |
117 return new RTCVideoEncoder(profiles_[i], gpu_factories_); | |
118 } | 71 } |
119 return nullptr; | 72 return nullptr; |
120 } | 73 } |
121 | 74 |
122 const std::vector<cricket::VideoCodec>& | 75 const std::vector<cricket::VideoCodec>& |
123 RTCVideoEncoderFactory::supported_codecs() const { | 76 RTCVideoEncoderFactory::supported_codecs() const { |
124 return supported_codecs_; | 77 return supported_codecs_; |
125 } | 78 } |
126 | 79 |
127 void RTCVideoEncoderFactory::DestroyVideoEncoder( | 80 void RTCVideoEncoderFactory::DestroyVideoEncoder( |
128 webrtc::VideoEncoder* encoder) { | 81 webrtc::VideoEncoder* encoder) { |
129 delete encoder; | 82 delete encoder; |
130 } | 83 } |
131 | 84 |
132 } // namespace content | 85 } // namespace content |
OLD | NEW |