120 lines
4.5 KiB
C++
120 lines
4.5 KiB
C++
/*
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* Copyright (c) 2018 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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#ifndef CALL_RTP_PAYLOAD_PARAMS_H_
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#define CALL_RTP_PAYLOAD_PARAMS_H_
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#include <array>
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#include "absl/types/optional.h"
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#include "api/transport/webrtc_key_value_config.h"
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#include "api/video_codecs/video_encoder.h"
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#include "call/rtp_config.h"
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#include "modules/rtp_rtcp/source/rtp_generic_frame_descriptor.h"
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#include "modules/rtp_rtcp/source/rtp_video_header.h"
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#include "modules/video_coding/chain_diff_calculator.h"
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#include "modules/video_coding/frame_dependencies_calculator.h"
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#include "modules/video_coding/include/video_codec_interface.h"
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namespace webrtc {
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class RtpRtcp;
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// State for setting picture id and tl0 pic idx, for VP8 and VP9
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// TODO(nisse): Make these properties not codec specific.
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class RtpPayloadParams final {
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public:
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RtpPayloadParams(const uint32_t ssrc,
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const RtpPayloadState* state,
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const WebRtcKeyValueConfig& trials);
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RtpPayloadParams(const RtpPayloadParams& other);
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~RtpPayloadParams();
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RTPVideoHeader GetRtpVideoHeader(const EncodedImage& image,
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const CodecSpecificInfo* codec_specific_info,
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int64_t shared_frame_id);
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uint32_t ssrc() const;
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RtpPayloadState state() const;
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private:
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void SetCodecSpecific(RTPVideoHeader* rtp_video_header,
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bool first_frame_in_picture);
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RTPVideoHeader::GenericDescriptorInfo GenericDescriptorFromFrameInfo(
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const GenericFrameInfo& frame_info,
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int64_t frame_id,
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VideoFrameType frame_type);
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void SetGeneric(const CodecSpecificInfo* codec_specific_info,
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int64_t frame_id,
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bool is_keyframe,
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RTPVideoHeader* rtp_video_header);
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void Vp8ToGeneric(const CodecSpecificInfoVP8& vp8_info,
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int64_t shared_frame_id,
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bool is_keyframe,
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RTPVideoHeader* rtp_video_header);
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void H264ToGeneric(const CodecSpecificInfoH264& h264_info,
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int64_t shared_frame_id,
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bool is_keyframe,
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RTPVideoHeader* rtp_video_header);
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void GenericToGeneric(int64_t shared_frame_id,
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bool is_keyframe,
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RTPVideoHeader* rtp_video_header);
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// TODO(bugs.webrtc.org/10242): Delete SetDependenciesVp8Deprecated() and move
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// the logic in SetDependenciesVp8New() into Vp8ToGeneric() once all hardware
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// wrappers have been updated.
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void SetDependenciesVp8Deprecated(
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const CodecSpecificInfoVP8& vp8_info,
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int64_t shared_frame_id,
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bool is_keyframe,
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int spatial_index,
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int temporal_index,
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bool layer_sync,
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RTPVideoHeader::GenericDescriptorInfo* generic);
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void SetDependenciesVp8New(const CodecSpecificInfoVP8& vp8_info,
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int64_t shared_frame_id,
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bool is_keyframe,
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bool layer_sync,
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RTPVideoHeader::GenericDescriptorInfo* generic);
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FrameDependenciesCalculator dependencies_calculator_;
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ChainDiffCalculator chains_calculator_;
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// TODO(bugs.webrtc.org/10242): Remove once all encoder-wrappers are updated.
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// Holds the last shared frame id for a given (spatial, temporal) layer.
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std::array<std::array<int64_t, RtpGenericFrameDescriptor::kMaxTemporalLayers>,
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RtpGenericFrameDescriptor::kMaxSpatialLayers>
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last_shared_frame_id_;
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// TODO(eladalon): When additional codecs are supported,
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// set kMaxCodecBuffersCount to the max() of these codecs' buffer count.
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static constexpr size_t kMaxCodecBuffersCount =
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CodecSpecificInfoVP8::kBuffersCount;
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// Maps buffer IDs to the frame-ID stored in them.
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std::array<int64_t, kMaxCodecBuffersCount> buffer_id_to_frame_id_;
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// Until we remove SetDependenciesVp8Deprecated(), we should make sure
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// that, for a given object, we either always use
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// SetDependenciesVp8Deprecated(), or always use SetDependenciesVp8New().
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// TODO(bugs.webrtc.org/10242): Remove.
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absl::optional<bool> new_version_used_;
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const uint32_t ssrc_;
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RtpPayloadState state_;
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const bool generic_picture_id_experiment_;
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};
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} // namespace webrtc
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#endif // CALL_RTP_PAYLOAD_PARAMS_H_
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