41b4bf97c1
Some of the fake encoders, FakeVp8Encoder in particular, reuse structures that in turn rely on field trials. Thus fake encoders also can benefit from Environment passed at construction. Bug: webrtc:15860 Change-Id: Ia1542b2663c75fd467e346aad9ead627ff9b3b0f Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/346780 Reviewed-by: Philip Eliasson <philipel@webrtc.org> Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Reviewed-by: Jeremy Leconte <jleconte@webrtc.org> Cr-Commit-Position: refs/heads/main@{#42046}
135 lines
4.4 KiB
C++
135 lines
4.4 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.
|
|
*/
|
|
|
|
#include "test/fake_vp8_encoder.h"
|
|
|
|
#include <algorithm>
|
|
|
|
#include "absl/types/optional.h"
|
|
#include "api/video_codecs/video_encoder.h"
|
|
#include "api/video_codecs/vp8_temporal_layers.h"
|
|
#include "api/video_codecs/vp8_temporal_layers_factory.h"
|
|
#include "modules/video_coding/codecs/interface/common_constants.h"
|
|
#include "modules/video_coding/include/video_codec_interface.h"
|
|
#include "modules/video_coding/include/video_error_codes.h"
|
|
#include "modules/video_coding/utility/simulcast_utility.h"
|
|
|
|
namespace {
|
|
|
|
// Write width and height to the payload the same way as the real encoder does.
|
|
// It requires that `payload` has a size of at least kMinPayLoadHeaderLength.
|
|
void WriteFakeVp8(unsigned char* payload,
|
|
int width,
|
|
int height,
|
|
bool key_frame) {
|
|
payload[0] = key_frame ? 0 : 0x01;
|
|
|
|
if (key_frame) {
|
|
payload[9] = (height & 0x3F00) >> 8;
|
|
payload[8] = (height & 0x00FF);
|
|
|
|
payload[7] = (width & 0x3F00) >> 8;
|
|
payload[6] = (width & 0x00FF);
|
|
}
|
|
}
|
|
} // namespace
|
|
|
|
namespace webrtc {
|
|
|
|
namespace test {
|
|
|
|
FakeVp8Encoder::FakeVp8Encoder(Clock* clock) : FakeEncoder(clock) {
|
|
sequence_checker_.Detach();
|
|
}
|
|
|
|
FakeVp8Encoder::FakeVp8Encoder(const Environment& env) : FakeEncoder(env) {
|
|
sequence_checker_.Detach();
|
|
}
|
|
|
|
int32_t FakeVp8Encoder::InitEncode(const VideoCodec* config,
|
|
const Settings& settings) {
|
|
RTC_DCHECK_RUN_ON(&sequence_checker_);
|
|
auto result = FakeEncoder::InitEncode(config, settings);
|
|
if (result != WEBRTC_VIDEO_CODEC_OK) {
|
|
return result;
|
|
}
|
|
|
|
Vp8TemporalLayersFactory factory;
|
|
frame_buffer_controller_ =
|
|
factory.Create(*config, settings, &fec_controller_override_);
|
|
|
|
return WEBRTC_VIDEO_CODEC_OK;
|
|
}
|
|
|
|
int32_t FakeVp8Encoder::Release() {
|
|
auto result = FakeEncoder::Release();
|
|
sequence_checker_.Detach();
|
|
return result;
|
|
}
|
|
|
|
CodecSpecificInfo FakeVp8Encoder::PopulateCodecSpecific(
|
|
size_t size_bytes,
|
|
VideoFrameType frame_type,
|
|
int stream_idx,
|
|
uint32_t timestamp) {
|
|
RTC_DCHECK_RUN_ON(&sequence_checker_);
|
|
CodecSpecificInfo codec_specific;
|
|
codec_specific.codecType = kVideoCodecVP8;
|
|
codec_specific.codecSpecific.VP8.keyIdx = kNoKeyIdx;
|
|
codec_specific.codecSpecific.VP8.nonReference = false;
|
|
if (size_bytes > 0) {
|
|
frame_buffer_controller_->OnEncodeDone(
|
|
stream_idx, timestamp, size_bytes,
|
|
frame_type == VideoFrameType::kVideoFrameKey, -1, &codec_specific);
|
|
} else {
|
|
frame_buffer_controller_->OnFrameDropped(stream_idx, timestamp);
|
|
}
|
|
return codec_specific;
|
|
}
|
|
|
|
CodecSpecificInfo FakeVp8Encoder::EncodeHook(
|
|
EncodedImage& encoded_image,
|
|
rtc::scoped_refptr<EncodedImageBuffer> buffer) {
|
|
RTC_DCHECK_RUN_ON(&sequence_checker_);
|
|
uint8_t simulcast_index = encoded_image.SimulcastIndex().value_or(0);
|
|
frame_buffer_controller_->NextFrameConfig(simulcast_index,
|
|
encoded_image.RtpTimestamp());
|
|
CodecSpecificInfo codec_specific =
|
|
PopulateCodecSpecific(encoded_image.size(), encoded_image._frameType,
|
|
simulcast_index, encoded_image.RtpTimestamp());
|
|
|
|
// Write width and height to the payload the same way as the real encoder
|
|
// does.
|
|
WriteFakeVp8(buffer->data(), encoded_image._encodedWidth,
|
|
encoded_image._encodedHeight,
|
|
encoded_image._frameType == VideoFrameType::kVideoFrameKey);
|
|
return codec_specific;
|
|
}
|
|
|
|
VideoEncoder::EncoderInfo FakeVp8Encoder::GetEncoderInfo() const {
|
|
EncoderInfo info;
|
|
info.implementation_name = "FakeVp8Encoder";
|
|
MutexLock lock(&mutex_);
|
|
for (int sid = 0; sid < config_.numberOfSimulcastStreams; ++sid) {
|
|
int number_of_temporal_layers =
|
|
config_.simulcastStream[sid].numberOfTemporalLayers;
|
|
info.fps_allocation[sid].clear();
|
|
for (int tid = 0; tid < number_of_temporal_layers; ++tid) {
|
|
// {1/4, 1/2, 1} allocation for num layers = 3.
|
|
info.fps_allocation[sid].push_back(255 /
|
|
(number_of_temporal_layers - tid));
|
|
}
|
|
}
|
|
return info;
|
|
}
|
|
|
|
} // namespace test
|
|
} // namespace webrtc
|