140 lines
5.5 KiB
C++
140 lines
5.5 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef CALL_RTP_PAYLOAD_PARAMS_H_
|
|
#define CALL_RTP_PAYLOAD_PARAMS_H_
|
|
|
|
#include <array>
|
|
#include <vector>
|
|
|
|
#include "absl/types/optional.h"
|
|
#include "api/transport/webrtc_key_value_config.h"
|
|
#include "api/video_codecs/video_encoder.h"
|
|
#include "call/rtp_config.h"
|
|
#include "modules/rtp_rtcp/source/rtp_generic_frame_descriptor.h"
|
|
#include "modules/rtp_rtcp/source/rtp_video_header.h"
|
|
#include "modules/video_coding/chain_diff_calculator.h"
|
|
#include "modules/video_coding/frame_dependencies_calculator.h"
|
|
#include "modules/video_coding/include/video_codec_interface.h"
|
|
|
|
namespace webrtc {
|
|
|
|
class RtpRtcp;
|
|
|
|
// State for setting picture id and tl0 pic idx, for VP8 and VP9
|
|
// TODO(nisse): Make these properties not codec specific.
|
|
class RtpPayloadParams final {
|
|
public:
|
|
RtpPayloadParams(const uint32_t ssrc,
|
|
const RtpPayloadState* state,
|
|
const WebRtcKeyValueConfig& trials);
|
|
RtpPayloadParams(const RtpPayloadParams& other);
|
|
~RtpPayloadParams();
|
|
|
|
RTPVideoHeader GetRtpVideoHeader(const EncodedImage& image,
|
|
const CodecSpecificInfo* codec_specific_info,
|
|
int64_t shared_frame_id);
|
|
|
|
// Returns structure that aligns with simulated generic info for VP9.
|
|
// The templates allow to produce valid dependency descriptor for any vp9
|
|
// stream with up to 4 temporal layers. The set of the templates is not tuned
|
|
// for any paricular structure thus dependency descriptor would use more bytes
|
|
// on the wire than with tuned templates.
|
|
static FrameDependencyStructure MinimalisticVp9Structure(
|
|
const CodecSpecificInfoVP9& vp9);
|
|
|
|
uint32_t ssrc() const;
|
|
|
|
RtpPayloadState state() const;
|
|
|
|
private:
|
|
void SetCodecSpecific(RTPVideoHeader* rtp_video_header,
|
|
bool first_frame_in_picture);
|
|
RTPVideoHeader::GenericDescriptorInfo GenericDescriptorFromFrameInfo(
|
|
const GenericFrameInfo& frame_info,
|
|
int64_t frame_id);
|
|
void SetGeneric(const CodecSpecificInfo* codec_specific_info,
|
|
int64_t frame_id,
|
|
bool is_keyframe,
|
|
RTPVideoHeader* rtp_video_header);
|
|
|
|
void Vp8ToGeneric(const CodecSpecificInfoVP8& vp8_info,
|
|
int64_t shared_frame_id,
|
|
bool is_keyframe,
|
|
RTPVideoHeader* rtp_video_header);
|
|
|
|
void Vp9ToGeneric(const CodecSpecificInfoVP9& vp9_info,
|
|
int64_t shared_frame_id,
|
|
RTPVideoHeader& rtp_video_header);
|
|
|
|
void H264ToGeneric(const CodecSpecificInfoH264& h264_info,
|
|
int64_t shared_frame_id,
|
|
bool is_keyframe,
|
|
RTPVideoHeader* rtp_video_header);
|
|
|
|
void GenericToGeneric(int64_t shared_frame_id,
|
|
bool is_keyframe,
|
|
RTPVideoHeader* rtp_video_header);
|
|
|
|
// TODO(bugs.webrtc.org/10242): Delete SetDependenciesVp8Deprecated() and move
|
|
// the logic in SetDependenciesVp8New() into Vp8ToGeneric() once all hardware
|
|
// wrappers have been updated.
|
|
void SetDependenciesVp8Deprecated(
|
|
const CodecSpecificInfoVP8& vp8_info,
|
|
int64_t shared_frame_id,
|
|
bool is_keyframe,
|
|
int spatial_index,
|
|
int temporal_index,
|
|
bool layer_sync,
|
|
RTPVideoHeader::GenericDescriptorInfo* generic);
|
|
void SetDependenciesVp8New(const CodecSpecificInfoVP8& vp8_info,
|
|
int64_t shared_frame_id,
|
|
bool is_keyframe,
|
|
bool layer_sync,
|
|
RTPVideoHeader::GenericDescriptorInfo* generic);
|
|
|
|
FrameDependenciesCalculator dependencies_calculator_;
|
|
ChainDiffCalculator chains_calculator_;
|
|
// TODO(bugs.webrtc.org/10242): Remove once all encoder-wrappers are updated.
|
|
// Holds the last shared frame id for a given (spatial, temporal) layer.
|
|
std::array<std::array<int64_t, RtpGenericFrameDescriptor::kMaxTemporalLayers>,
|
|
RtpGenericFrameDescriptor::kMaxSpatialLayers>
|
|
last_shared_frame_id_;
|
|
// circular buffer of frame ids for the last 128 vp9 pictures.
|
|
// ids for the `picture_id` are stored at the index `picture_id % 128`.
|
|
std::vector<std::array<int64_t, RtpGenericFrameDescriptor::kMaxSpatialLayers>>
|
|
last_vp9_frame_id_;
|
|
// Last frame id for each chain
|
|
std::array<int64_t, RtpGenericFrameDescriptor::kMaxSpatialLayers>
|
|
chain_last_frame_id_;
|
|
|
|
// TODO(eladalon): When additional codecs are supported,
|
|
// set kMaxCodecBuffersCount to the max() of these codecs' buffer count.
|
|
static constexpr size_t kMaxCodecBuffersCount =
|
|
CodecSpecificInfoVP8::kBuffersCount;
|
|
|
|
// Maps buffer IDs to the frame-ID stored in them.
|
|
std::array<int64_t, kMaxCodecBuffersCount> buffer_id_to_frame_id_;
|
|
|
|
// Until we remove SetDependenciesVp8Deprecated(), we should make sure
|
|
// that, for a given object, we either always use
|
|
// SetDependenciesVp8Deprecated(), or always use SetDependenciesVp8New().
|
|
// TODO(bugs.webrtc.org/10242): Remove.
|
|
absl::optional<bool> new_version_used_;
|
|
|
|
const uint32_t ssrc_;
|
|
RtpPayloadState state_;
|
|
|
|
const bool generic_picture_id_experiment_;
|
|
const bool simulate_generic_vp9_;
|
|
};
|
|
} // namespace webrtc
|
|
#endif // CALL_RTP_PAYLOAD_PARAMS_H_
|