| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/renderer/media/rtc_video_encoder_factory.h" |
| |
| #include "base/command_line.h" |
| #include "content/common/gpu/client/gpu_video_encode_accelerator_host.h" |
| #include "content/public/common/content_switches.h" |
| #include "content/renderer/media/rtc_video_encoder.h" |
| #include "media/renderers/gpu_video_accelerator_factories.h" |
| #include "media/video/video_encode_accelerator.h" |
| |
| namespace content { |
| |
| namespace { |
| |
| // Translate from media::VideoEncodeAccelerator::SupportedProfile to |
| // one or more instances of cricket::WebRtcVideoEncoderFactory::VideoCodec |
| void VEAToWebRTCCodecs( |
| std::vector<cricket::WebRtcVideoEncoderFactory::VideoCodec>* codecs, |
| const media::VideoEncodeAccelerator::SupportedProfile& profile) { |
| const int width = profile.max_resolution.width(); |
| const int height = profile.max_resolution.height(); |
| const int fps = profile.max_framerate_numerator; |
| DCHECK_EQ(profile.max_framerate_denominator, 1U); |
| |
| const base::CommandLine* cmd_line = base::CommandLine::ForCurrentProcess(); |
| if (profile.profile >= media::VP8PROFILE_MIN && |
| profile.profile <= media::VP8PROFILE_MAX) { |
| codecs->push_back(cricket::WebRtcVideoEncoderFactory::VideoCodec( |
| webrtc::kVideoCodecVP8, "VP8", width, height, fps)); |
| } else if (profile.profile >= media::H264PROFILE_MIN && |
| profile.profile <= media::H264PROFILE_MAX) { |
| if (cmd_line->HasSwitch(switches::kEnableWebRtcHWH264Encoding)) { |
| codecs->push_back(cricket::WebRtcVideoEncoderFactory::VideoCodec( |
| webrtc::kVideoCodecH264, "H264", width, height, fps)); |
| } |
| } |
| } |
| |
| } // anonymous namespace |
| |
| RTCVideoEncoderFactory::RTCVideoEncoderFactory( |
| const scoped_refptr<media::GpuVideoAcceleratorFactories>& gpu_factories) |
| : gpu_factories_(gpu_factories) { |
| const media::VideoEncodeAccelerator::SupportedProfiles& profiles = |
| gpu_factories_->GetVideoEncodeAcceleratorSupportedProfiles(); |
| for (const auto& profile : profiles) |
| VEAToWebRTCCodecs(&codecs_, profile); |
| } |
| |
| RTCVideoEncoderFactory::~RTCVideoEncoderFactory() {} |
| |
| webrtc::VideoEncoder* RTCVideoEncoderFactory::CreateVideoEncoder( |
| webrtc::VideoCodecType type) { |
| for (const auto& codec : codecs_) { |
| if (codec.type == type) |
| return new RTCVideoEncoder(type, gpu_factories_); |
| } |
| return nullptr; |
| } |
| |
| const std::vector<cricket::WebRtcVideoEncoderFactory::VideoCodec>& |
| RTCVideoEncoderFactory::codecs() const { |
| return codecs_; |
| } |
| |
| void RTCVideoEncoderFactory::DestroyVideoEncoder( |
| webrtc::VideoEncoder* encoder) { |
| delete encoder; |
| } |
| |
| } // namespace content |