87e2d785a0
This cl deprecates the FrameType enum, and adds aliases AudioFrameType and VideoFrameType. After downstream usage is updated, the enums will be separated and be moved out of common_types.h. Bug: webrtc:6883 Change-Id: I2aaf660169da45f22574b4cbb16aea8522cc07a6 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/123184 Commit-Queue: Niels Moller <nisse@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27011}
132 lines
4.5 KiB
C++
132 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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#include "test/fake_vp8_encoder.h"
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#include <algorithm>
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#include "absl/types/optional.h"
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#include "api/video_codecs/create_vp8_temporal_layers.h"
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#include "api/video_codecs/vp8_temporal_layers.h"
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#include "common_types.h" // NOLINT(build/include)
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#include "modules/video_coding/codecs/interface/common_constants.h"
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#include "modules/video_coding/include/video_codec_interface.h"
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#include "modules/video_coding/include/video_error_codes.h"
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#include "modules/video_coding/utility/simulcast_utility.h"
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namespace {
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// Write width and height to the payload the same way as the real encoder does.
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// It requires that |payload| has a size of at least kMinPayLoadHeaderLength.
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void WriteFakeVp8(unsigned char* payload,
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int width,
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int height,
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bool key_frame) {
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payload[0] = key_frame ? 0 : 0x01;
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if (key_frame) {
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payload[9] = (height & 0x3F00) >> 8;
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payload[8] = (height & 0x00FF);
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payload[7] = (width & 0x3F00) >> 8;
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payload[6] = (width & 0x00FF);
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}
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}
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} // namespace
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namespace webrtc {
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namespace test {
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FakeVP8Encoder::FakeVP8Encoder(Clock* clock) : FakeEncoder(clock) {
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sequence_checker_.Detach();
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}
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int32_t FakeVP8Encoder::InitEncode(const VideoCodec* config,
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int32_t number_of_cores,
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size_t max_payload_size) {
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RTC_DCHECK_CALLED_SEQUENTIALLY(&sequence_checker_);
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auto result =
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FakeEncoder::InitEncode(config, number_of_cores, max_payload_size);
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if (result != WEBRTC_VIDEO_CODEC_OK) {
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return result;
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}
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SetupTemporalLayers(*config);
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return WEBRTC_VIDEO_CODEC_OK;
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}
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int32_t FakeVP8Encoder::Release() {
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auto result = FakeEncoder::Release();
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sequence_checker_.Detach();
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return result;
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}
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void FakeVP8Encoder::SetupTemporalLayers(const VideoCodec& codec) {
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RTC_DCHECK_CALLED_SEQUENTIALLY(&sequence_checker_);
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int num_streams = SimulcastUtility::NumberOfSimulcastStreams(codec);
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for (int i = 0; i < num_streams; ++i) {
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Vp8TemporalLayersType type;
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int num_temporal_layers =
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SimulcastUtility::NumberOfTemporalLayers(codec, i);
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if (SimulcastUtility::IsConferenceModeScreenshare(codec) && i == 0) {
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type = Vp8TemporalLayersType::kBitrateDynamic;
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// Legacy screenshare layers supports max 2 layers.
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num_temporal_layers = std::max<int>(2, num_temporal_layers);
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} else {
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type = Vp8TemporalLayersType::kFixedPattern;
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}
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temporal_layers_.emplace_back(
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CreateVp8TemporalLayers(type, num_temporal_layers));
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}
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}
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void FakeVP8Encoder::PopulateCodecSpecific(CodecSpecificInfo* codec_specific,
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size_t size_bytes,
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VideoFrameType frame_type,
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int stream_idx,
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uint32_t timestamp) {
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RTC_DCHECK_CALLED_SEQUENTIALLY(&sequence_checker_);
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codec_specific->codecType = kVideoCodecVP8;
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codec_specific->codecSpecific.VP8.keyIdx = kNoKeyIdx;
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codec_specific->codecSpecific.VP8.nonReference = false;
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temporal_layers_[stream_idx]->OnEncodeDone(
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timestamp, size_bytes, frame_type == kVideoFrameKey, -1, codec_specific);
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}
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std::unique_ptr<RTPFragmentationHeader> FakeVP8Encoder::EncodeHook(
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EncodedImage* encoded_image,
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CodecSpecificInfo* codec_specific) {
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RTC_DCHECK_CALLED_SEQUENTIALLY(&sequence_checker_);
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uint8_t stream_idx = encoded_image->SpatialIndex().value_or(0);
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temporal_layers_[stream_idx]->UpdateLayerConfig(encoded_image->Timestamp());
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PopulateCodecSpecific(codec_specific, encoded_image->size(),
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encoded_image->_frameType, stream_idx,
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encoded_image->Timestamp());
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// Write width and height to the payload the same way as the real encoder
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// does.
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WriteFakeVp8(encoded_image->data(), encoded_image->_encodedWidth,
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encoded_image->_encodedHeight,
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encoded_image->_frameType == kVideoFrameKey);
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return nullptr;
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}
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VideoEncoder::EncoderInfo FakeVP8Encoder::GetEncoderInfo() const {
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EncoderInfo info;
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info.implementation_name = "FakeVp8Encoder";
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return info;
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}
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} // namespace test
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} // namespace webrtc
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