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-rw-r--r--third_party/libwebrtc/test/fake_decoder.cc126
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diff --git a/third_party/libwebrtc/test/fake_decoder.cc b/third_party/libwebrtc/test/fake_decoder.cc
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+++ b/third_party/libwebrtc/test/fake_decoder.cc
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+/*
+ * Copyright (c) 2013 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_decoder.h"
+
+#include <string.h>
+
+#include <memory>
+
+#include "api/scoped_refptr.h"
+#include "api/video/i420_buffer.h"
+#include "api/video/video_frame.h"
+#include "api/video/video_frame_buffer.h"
+#include "api/video/video_rotation.h"
+#include "modules/video_coding/include/video_error_codes.h"
+#include "rtc_base/checks.h"
+#include "rtc_base/task_queue.h"
+#include "rtc_base/time_utils.h"
+
+namespace webrtc {
+namespace test {
+
+FakeDecoder::FakeDecoder() : FakeDecoder(nullptr) {}
+
+FakeDecoder::FakeDecoder(TaskQueueFactory* task_queue_factory)
+ : callback_(nullptr),
+ width_(kDefaultWidth),
+ height_(kDefaultHeight),
+ task_queue_factory_(task_queue_factory),
+ decode_delay_ms_(0) {}
+
+bool FakeDecoder::Configure(const Settings& settings) {
+ return true;
+}
+
+int32_t FakeDecoder::Decode(const EncodedImage& input,
+ bool missing_frames,
+ int64_t render_time_ms) {
+ if (input._encodedWidth > 0 && input._encodedHeight > 0) {
+ width_ = input._encodedWidth;
+ height_ = input._encodedHeight;
+ }
+
+ rtc::scoped_refptr<I420Buffer> buffer = I420Buffer::Create(width_, height_);
+ I420Buffer::SetBlack(buffer.get());
+ VideoFrame frame = VideoFrame::Builder()
+ .set_video_frame_buffer(buffer)
+ .set_rotation(webrtc::kVideoRotation_0)
+ .set_timestamp_ms(render_time_ms)
+ .build();
+ frame.set_timestamp(input.Timestamp());
+ frame.set_ntp_time_ms(input.ntp_time_ms_);
+
+ if (decode_delay_ms_ == 0 || !task_queue_) {
+ callback_->Decoded(frame);
+ } else {
+ task_queue_->PostDelayedHighPrecisionTask(
+ [frame, this]() {
+ VideoFrame copy = frame;
+ callback_->Decoded(copy);
+ },
+ TimeDelta::Millis(decode_delay_ms_));
+ }
+
+ return WEBRTC_VIDEO_CODEC_OK;
+}
+
+void FakeDecoder::SetDelayedDecoding(int decode_delay_ms) {
+ RTC_CHECK(task_queue_factory_);
+ if (!task_queue_) {
+ task_queue_ = task_queue_factory_->CreateTaskQueue(
+ "fake_decoder", TaskQueueFactory::Priority::NORMAL);
+ }
+ decode_delay_ms_ = decode_delay_ms;
+}
+
+int32_t FakeDecoder::RegisterDecodeCompleteCallback(
+ DecodedImageCallback* callback) {
+ callback_ = callback;
+ return WEBRTC_VIDEO_CODEC_OK;
+}
+
+int32_t FakeDecoder::Release() {
+ return WEBRTC_VIDEO_CODEC_OK;
+}
+
+const char* FakeDecoder::kImplementationName = "fake_decoder";
+VideoDecoder::DecoderInfo FakeDecoder::GetDecoderInfo() const {
+ DecoderInfo info;
+ info.implementation_name = kImplementationName;
+ info.is_hardware_accelerated = true;
+ return info;
+}
+const char* FakeDecoder::ImplementationName() const {
+ return kImplementationName;
+}
+
+int32_t FakeH264Decoder::Decode(const EncodedImage& input,
+ bool missing_frames,
+ int64_t render_time_ms) {
+ uint8_t value = 0;
+ for (size_t i = 0; i < input.size(); ++i) {
+ uint8_t kStartCode[] = {0, 0, 0, 1};
+ if (i < input.size() - sizeof(kStartCode) &&
+ !memcmp(&input.data()[i], kStartCode, sizeof(kStartCode))) {
+ i += sizeof(kStartCode) + 1; // Skip start code and NAL header.
+ }
+ if (input.data()[i] != value) {
+ RTC_CHECK_EQ(value, input.data()[i])
+ << "Bitstream mismatch between sender and receiver.";
+ return -1;
+ }
+ ++value;
+ }
+ return FakeDecoder::Decode(input, missing_frames, render_time_ms);
+}
+
+} // namespace test
+} // namespace webrtc