blob: 2dc5b6424a6d9b26003ea3f2890f061d4e3a070f [file] [log] [blame]
/*
* 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 "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/scoped_ref_ptr.h"
#include "rtc_base/time_utils.h"
namespace webrtc {
namespace test {
namespace {
const int kDefaultWidth = 320;
const int kDefaultHeight = 180;
} // namespace
FakeDecoder::FakeDecoder()
: callback_(NULL), width_(kDefaultWidth), height_(kDefaultHeight) {}
int32_t FakeDecoder::InitDecode(const VideoCodec* config,
int32_t number_of_cores) {
return WEBRTC_VIDEO_CODEC_OK;
}
int32_t FakeDecoder::Decode(const EncodedImage& input,
bool missing_frames,
const CodecSpecificInfo* codec_specific_info,
int64_t render_time_ms) {
if (input._encodedWidth > 0 && input._encodedHeight > 0) {
width_ = input._encodedWidth;
height_ = input._encodedHeight;
}
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);
return WEBRTC_VIDEO_CODEC_OK;
}
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";
const char* FakeDecoder::ImplementationName() const {
return kImplementationName;
}
int32_t FakeH264Decoder::Decode(const EncodedImage& input,
bool missing_frames,
const CodecSpecificInfo* codec_specific_info,
int64_t render_time_ms) {
uint8_t value = 0;
for (size_t i = 0; i < input._length; ++i) {
uint8_t kStartCode[] = {0, 0, 0, 1};
if (i < input._length - sizeof(kStartCode) &&
!memcmp(&input._buffer[i], kStartCode, sizeof(kStartCode))) {
i += sizeof(kStartCode) + 1; // Skip start code and NAL header.
}
if (input._buffer[i] != value) {
RTC_CHECK_EQ(value, input._buffer[i])
<< "Bitstream mismatch between sender and receiver.";
return -1;
}
++value;
}
return FakeDecoder::Decode(input, missing_frames, codec_specific_info,
render_time_ms);
}
} // namespace test
} // namespace webrtc