10165ab8e7
BUG=None Review-Url: https://codereview.webrtc.org/2509273002 Cr-Commit-Position: refs/heads/master@{#15200}
93 lines
3.2 KiB
C++
93 lines
3.2 KiB
C++
/*
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* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/media/engine/internalencoderfactory.h"
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#include <utility>
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#include "webrtc/modules/video_coding/codecs/h264/include/h264.h"
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#include "webrtc/modules/video_coding/codecs/vp8/include/vp8.h"
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#include "webrtc/modules/video_coding/codecs/vp9/include/vp9.h"
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#include "webrtc/system_wrappers/include/field_trial.h"
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namespace cricket {
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namespace {
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const char kFlexfecFieldTrialName[] = "WebRTC-FlexFEC-03";
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bool IsFlexfecFieldTrialEnabled() {
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return webrtc::field_trial::FindFullName(kFlexfecFieldTrialName) == "Enabled";
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}
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} // namespace
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InternalEncoderFactory::InternalEncoderFactory() {
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supported_codecs_.push_back(cricket::VideoCodec(kVp8CodecName));
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if (webrtc::VP9Encoder::IsSupported())
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supported_codecs_.push_back(cricket::VideoCodec(kVp9CodecName));
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if (webrtc::H264Encoder::IsSupported()) {
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cricket::VideoCodec codec(kH264CodecName);
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// TODO(magjed): Move setting these parameters into webrtc::H264Encoder
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// instead.
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// TODO(hta): Set FMTP parameters for all codecs of type H264.
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codec.SetParam(kH264FmtpProfileLevelId,
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kH264ProfileLevelConstrainedBaseline);
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codec.SetParam(kH264FmtpLevelAsymmetryAllowed, "1");
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codec.SetParam(kH264FmtpPacketizationMode, "1");
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supported_codecs_.push_back(std::move(codec));
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}
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supported_codecs_.push_back(cricket::VideoCodec(kRedCodecName));
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supported_codecs_.push_back(cricket::VideoCodec(kUlpfecCodecName));
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if (IsFlexfecFieldTrialEnabled()) {
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cricket::VideoCodec flexfec_codec(kFlexfecCodecName);
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// This value is currently arbitrarily set to 10 seconds. (The unit
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// is microseconds.) This parameter MUST be present in the SDP, but
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// we never use the actual value anywhere in our code however.
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// TODO(brandtr): Consider honouring this value in the sender and receiver.
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flexfec_codec.SetParam(kFlexfecFmtpRepairWindow, "10000000");
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supported_codecs_.push_back(flexfec_codec);
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}
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}
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InternalEncoderFactory::~InternalEncoderFactory() {}
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// WebRtcVideoEncoderFactory implementation.
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webrtc::VideoEncoder* InternalEncoderFactory::CreateVideoEncoder(
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const cricket::VideoCodec& codec) {
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const webrtc::VideoCodecType codec_type =
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webrtc::PayloadNameToCodecType(codec.name)
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.value_or(webrtc::kVideoCodecUnknown);
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switch (codec_type) {
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case webrtc::kVideoCodecH264:
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return webrtc::H264Encoder::Create();
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case webrtc::kVideoCodecVP8:
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return webrtc::VP8Encoder::Create();
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case webrtc::kVideoCodecVP9:
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return webrtc::VP9Encoder::Create();
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default:
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return nullptr;
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}
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}
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const std::vector<cricket::VideoCodec>&
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InternalEncoderFactory::supported_codecs() const {
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return supported_codecs_;
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}
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void InternalEncoderFactory::DestroyVideoEncoder(
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webrtc::VideoEncoder* encoder) {
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delete encoder;
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}
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} // namespace cricket
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