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
3 // found in the LICENSE file.
5 #include "content/renderer/media/rtc_video_encoder_factory.h"
7 #include "base/command_line.h"
8 #include "content/common/gpu/client/gpu_video_encode_accelerator_host.h"
9 #include "content/public/common/content_switches.h"
10 #include "content/renderer/media/rtc_video_encoder.h"
11 #include "media/renderers/gpu_video_accelerator_factories.h"
12 #include "media/video/video_encode_accelerator.h"
18 // Translate from media::VideoEncodeAccelerator::SupportedProfile to
19 // one or more instances of cricket::WebRtcVideoEncoderFactory::VideoCodec
20 void VEAToWebRTCCodecs(
21 std::vector
<cricket::WebRtcVideoEncoderFactory::VideoCodec
>* codecs
,
22 const media::VideoEncodeAccelerator::SupportedProfile
& profile
) {
23 const int width
= profile
.max_resolution
.width();
24 const int height
= profile
.max_resolution
.height();
25 const int fps
= profile
.max_framerate_numerator
;
26 DCHECK_EQ(profile
.max_framerate_denominator
, 1U);
28 const base::CommandLine
* cmd_line
= base::CommandLine::ForCurrentProcess();
29 if (profile
.profile
>= media::VP8PROFILE_MIN
&&
30 profile
.profile
<= media::VP8PROFILE_MAX
) {
31 codecs
->push_back(cricket::WebRtcVideoEncoderFactory::VideoCodec(
32 webrtc::kVideoCodecVP8
, "VP8", width
, height
, fps
));
33 } else if (profile
.profile
>= media::H264PROFILE_MIN
&&
34 profile
.profile
<= media::H264PROFILE_MAX
) {
35 if (cmd_line
->HasSwitch(switches::kEnableWebRtcHWH264Encoding
)) {
36 codecs
->push_back(cricket::WebRtcVideoEncoderFactory::VideoCodec(
37 webrtc::kVideoCodecH264
, "H264", width
, height
, fps
));
42 } // anonymous namespace
44 RTCVideoEncoderFactory::RTCVideoEncoderFactory(
45 const scoped_refptr
<media::GpuVideoAcceleratorFactories
>& gpu_factories
)
46 : gpu_factories_(gpu_factories
) {
47 const media::VideoEncodeAccelerator::SupportedProfiles
& profiles
=
48 gpu_factories_
->GetVideoEncodeAcceleratorSupportedProfiles();
49 for (const auto& profile
: profiles
)
50 VEAToWebRTCCodecs(&codecs_
, profile
);
53 RTCVideoEncoderFactory::~RTCVideoEncoderFactory() {}
55 webrtc::VideoEncoder
* RTCVideoEncoderFactory::CreateVideoEncoder(
56 webrtc::VideoCodecType type
) {
57 for (const auto& codec
: codecs_
) {
58 if (codec
.type
== type
)
59 return new RTCVideoEncoder(type
, gpu_factories_
);
64 const std::vector
<cricket::WebRtcVideoEncoderFactory::VideoCodec
>&
65 RTCVideoEncoderFactory::codecs() const {
69 void RTCVideoEncoderFactory::DestroyVideoEncoder(
70 webrtc::VideoEncoder
* encoder
) {
74 } // namespace content