blob: 573eb47bf98a2968deb588d4521576d34e8bbd85 [file] [log] [blame]
* Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
#include "api/video_codecs/builtin_video_encoder_factory.h"
#include <memory>
#include <string>
#include <vector>
#include "absl/strings/match.h"
#include "absl/types/optional.h"
#include "api/video_codecs/sdp_video_format.h"
#include "api/video_codecs/video_encoder.h"
#include "media/base/codec.h"
#include "media/base/media_constants.h"
#include "media/engine/internal_encoder_factory.h"
#include "media/engine/simulcast_encoder_adapter.h"
#include "rtc_base/checks.h"
namespace webrtc {
namespace {
// This class wraps the internal factory and adds simulcast.
class BuiltinVideoEncoderFactory : public VideoEncoderFactory {
: internal_encoder_factory_(new InternalEncoderFactory()) {}
std::unique_ptr<VideoEncoder> CreateVideoEncoder(
const SdpVideoFormat& format) override {
// Try creating an InternalEncoderFactory-backed SimulcastEncoderAdapter.
// The adapter has a passthrough mode for the case that simulcast is not
// used, so all responsibility can be delegated to it.
std::unique_ptr<VideoEncoder> encoder;
if (format.IsCodecInList(
internal_encoder_factory_->GetSupportedFormats())) {
encoder = std::make_unique<SimulcastEncoderAdapter>(
internal_encoder_factory_.get(), format);
return encoder;
std::vector<SdpVideoFormat> GetSupportedFormats() const override {
return internal_encoder_factory_->GetSupportedFormats();
CodecSupport QueryCodecSupport(
const SdpVideoFormat& format,
absl::optional<std::string> scalability_mode) const override {
return internal_encoder_factory_->QueryCodecSupport(format,
const std::unique_ptr<VideoEncoderFactory> internal_encoder_factory_;
} // namespace
std::unique_ptr<VideoEncoderFactory> CreateBuiltinVideoEncoderFactory() {
return std::make_unique<BuiltinVideoEncoderFactory>();
} // namespace webrtc