841c912ddd
Add FakeVp8Decoder that parse width and height from the payload. Add unit test for testing that width and height is set when decoding frames. Bug: none Change-Id: Ifbfff4f62f99625309ce0ef21cf89c76448769d8 Reviewed-on: https://webrtc-review.googlesource.com/c/103140 Commit-Queue: Per Kjellander <perkj@webrtc.org> Reviewed-by: Sebastian Jansson <srte@webrtc.org> Reviewed-by: Erik Språng <sprang@webrtc.org> Cr-Commit-Position: refs/heads/master@{#25038}
139 lines
4.9 KiB
C++
139 lines
4.9 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 "common_types.h" // NOLINT(build/include)
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#include "modules/video_coding/codecs/vp8/include/vp8_temporal_layers.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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#include "rtc_base/checks.h"
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#include "rtc_base/logging.h"
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#include "rtc_base/random.h"
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#include "rtc_base/timeutils.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)
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: FakeEncoder(clock), callback_(nullptr) {
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FakeEncoder::RegisterEncodeCompleteCallback(this);
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sequence_checker_.Detach();
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}
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int32_t FakeVP8Encoder::RegisterEncodeCompleteCallback(
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EncodedImageCallback* callback) {
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RTC_DCHECK_CALLED_SEQUENTIALLY(&sequence_checker_);
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callback_ = callback;
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return 0;
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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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TemporalLayersType 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 = TemporalLayersType::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 = TemporalLayersType::kFixedPattern;
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}
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temporal_layers_.emplace_back(
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TemporalLayers::CreateTemporalLayers(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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FrameType 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->codec_name = ImplementationName();
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CodecSpecificInfoVP8* vp8Info = &(codec_specific->codecSpecific.VP8);
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vp8Info->keyIdx = kNoKeyIdx;
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vp8Info->nonReference = false;
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temporal_layers_[stream_idx]->OnEncodeDone(
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timestamp, size_bytes, frame_type == kVideoFrameKey, -1, vp8Info);
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}
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EncodedImageCallback::Result FakeVP8Encoder::OnEncodedImage(
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const EncodedImage& encoded_image,
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const CodecSpecificInfo* codec_specific_info,
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const RTPFragmentationHeader* fragments) {
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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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CodecSpecificInfo overrided_specific_info;
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temporal_layers_[stream_idx]->UpdateLayerConfig(encoded_image.Timestamp());
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PopulateCodecSpecific(&overrided_specific_info, encoded_image._length,
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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._buffer, encoded_image._encodedWidth,
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encoded_image._encodedHeight,
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encoded_image._frameType == kVideoFrameKey);
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return callback_->OnEncodedImage(encoded_image, &overrided_specific_info,
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fragments);
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}
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} // namespace test
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} // namespace webrtc
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