88 lines
2.7 KiB
C++
88 lines
2.7 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_decoder.h"
|
|
|
|
#include <stddef.h>
|
|
|
|
#include "absl/types/optional.h"
|
|
#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/time_utils.h"
|
|
|
|
namespace webrtc {
|
|
namespace test {
|
|
|
|
namespace {
|
|
// Read width and height from the payload of the frame if it is a key frame the
|
|
// same way as the real VP8 decoder.
|
|
// FakeEncoder writes width, height and frame type.
|
|
void ParseFakeVp8(const unsigned char* data, int* width, int* height) {
|
|
bool key_frame = data[0] == 0;
|
|
if (key_frame) {
|
|
*width = ((data[7] << 8) + data[6]) & 0x3FFF;
|
|
*height = ((data[9] << 8) + data[8]) & 0x3FFF;
|
|
}
|
|
}
|
|
} // namespace
|
|
|
|
FakeVp8Decoder::FakeVp8Decoder() : callback_(nullptr), width_(0), height_(0) {}
|
|
|
|
int32_t FakeVp8Decoder::InitDecode(const VideoCodec* config,
|
|
int32_t number_of_cores) {
|
|
return WEBRTC_VIDEO_CODEC_OK;
|
|
}
|
|
|
|
int32_t FakeVp8Decoder::Decode(const EncodedImage& input,
|
|
bool missing_frames,
|
|
int64_t render_time_ms) {
|
|
constexpr size_t kMinPayLoadHeaderLength = 10;
|
|
if (input.size() < kMinPayLoadHeaderLength) {
|
|
return WEBRTC_VIDEO_CODEC_ERROR;
|
|
}
|
|
ParseFakeVp8(input.data(), &width_, &height_);
|
|
|
|
VideoFrame frame =
|
|
VideoFrame::Builder()
|
|
.set_video_frame_buffer(I420Buffer::Create(width_, height_))
|
|
.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_);
|
|
|
|
callback_->Decoded(frame, /*decode_time_ms=*/absl::nullopt,
|
|
/*qp=*/absl::nullopt);
|
|
|
|
return WEBRTC_VIDEO_CODEC_OK;
|
|
}
|
|
|
|
int32_t FakeVp8Decoder::RegisterDecodeCompleteCallback(
|
|
DecodedImageCallback* callback) {
|
|
callback_ = callback;
|
|
return WEBRTC_VIDEO_CODEC_OK;
|
|
}
|
|
|
|
int32_t FakeVp8Decoder::Release() {
|
|
return WEBRTC_VIDEO_CODEC_OK;
|
|
}
|
|
|
|
const char* FakeVp8Decoder::kImplementationName = "fake_vp8_decoder";
|
|
const char* FakeVp8Decoder::ImplementationName() const {
|
|
return kImplementationName;
|
|
}
|
|
|
|
} // namespace test
|
|
} // namespace webrtc
|