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/*
* Copyright (c) 2016 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.
*/
#ifndef API_VIDEO_CODECS_VIDEO_ENCODER_SOFTWARE_FALLBACK_WRAPPER_H_
#define API_VIDEO_CODECS_VIDEO_ENCODER_SOFTWARE_FALLBACK_WRAPPER_H_
#include <memory>
#include <utility>
#include "api/video_codecs/video_encoder.h"
#include "rtc_base/system/rtc_export.h"
namespace webrtc {
// Used to wrap external VideoEncoders to provide a fallback option on
// software encoding when a hardware encoder fails to encode a stream due to
// hardware restrictions, such as max resolution.
// |bool prefer_temporal_support| indicates that if the software fallback
// encoder supports temporal layers but the hardware encoder does not, a
// fallback should be forced even if the encoder otherwise works.
RTC_EXPORT std::unique_ptr<VideoEncoder>
CreateVideoEncoderSoftwareFallbackWrapper(
std::unique_ptr<VideoEncoder> sw_fallback_encoder,
std::unique_ptr<VideoEncoder> hw_encoder,
bool prefer_temporal_support);
// Default fallback for call-sites not yet updated with
// `prefer_temporal_support`.
// TODO(sprang): Remove when usage is gone.
RTC_EXPORT inline std::unique_ptr<VideoEncoder>
CreateVideoEncoderSoftwareFallbackWrapper(
std::unique_ptr<VideoEncoder> sw_fallback_encoder,
std::unique_ptr<VideoEncoder> hw_encoder) {
return CreateVideoEncoderSoftwareFallbackWrapper(
std::move(sw_fallback_encoder), std::move(hw_encoder), false);
}
} // namespace webrtc
#endif // API_VIDEO_CODECS_VIDEO_ENCODER_SOFTWARE_FALLBACK_WRAPPER_H_
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