1 /*
2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include "webrtc/test/fake_decoder.h"
12
13 #include "testing/gtest/include/gtest/gtest.h"
14
15 namespace webrtc {
16 namespace test {
17
FakeDecoder()18 FakeDecoder::FakeDecoder() : callback_(NULL) {}
19
InitDecode(const VideoCodec * config,int32_t number_of_cores)20 int32_t FakeDecoder::InitDecode(const VideoCodec* config,
21 int32_t number_of_cores) {
22 config_ = *config;
23 size_t width = config->width;
24 size_t height = config->height;
25 frame_.CreateEmptyFrame(static_cast<int>(width),
26 static_cast<int>(height),
27 static_cast<int>(width),
28 static_cast<int>((width + 1) / 2),
29 static_cast<int>((width + 1) / 2));
30 return WEBRTC_VIDEO_CODEC_OK;
31 }
32
Decode(const EncodedImage & input,bool missing_frames,const RTPFragmentationHeader * fragmentation,const CodecSpecificInfo * codec_specific_info,int64_t render_time_ms)33 int32_t FakeDecoder::Decode(const EncodedImage& input,
34 bool missing_frames,
35 const RTPFragmentationHeader* fragmentation,
36 const CodecSpecificInfo* codec_specific_info,
37 int64_t render_time_ms) {
38 frame_.set_timestamp(input._timeStamp);
39 frame_.set_ntp_time_ms(input.ntp_time_ms_);
40 frame_.set_render_time_ms(render_time_ms);
41
42 callback_->Decoded(frame_);
43
44 return WEBRTC_VIDEO_CODEC_OK;
45 }
46
RegisterDecodeCompleteCallback(DecodedImageCallback * callback)47 int32_t FakeDecoder::RegisterDecodeCompleteCallback(
48 DecodedImageCallback* callback) {
49 callback_ = callback;
50 return WEBRTC_VIDEO_CODEC_OK;
51 }
52
Release()53 int32_t FakeDecoder::Release() {
54 return WEBRTC_VIDEO_CODEC_OK;
55 }
56
Reset()57 int32_t FakeDecoder::Reset() {
58 return WEBRTC_VIDEO_CODEC_OK;
59 }
60
61 const char* FakeDecoder::kImplementationName = "fake_decoder";
ImplementationName() const62 const char* FakeDecoder::ImplementationName() const {
63 return kImplementationName;
64 }
65
Decode(const EncodedImage & input,bool missing_frames,const RTPFragmentationHeader * fragmentation,const CodecSpecificInfo * codec_specific_info,int64_t render_time_ms)66 int32_t FakeH264Decoder::Decode(const EncodedImage& input,
67 bool missing_frames,
68 const RTPFragmentationHeader* fragmentation,
69 const CodecSpecificInfo* codec_specific_info,
70 int64_t render_time_ms) {
71 uint8_t value = 0;
72 for (size_t i = 0; i < input._length; ++i) {
73 uint8_t kStartCode[] = {0, 0, 0, 1};
74 if (i < input._length - sizeof(kStartCode) &&
75 !memcmp(&input._buffer[i], kStartCode, sizeof(kStartCode))) {
76 i += sizeof(kStartCode) + 1; // Skip start code and NAL header.
77 }
78 if (input._buffer[i] != value) {
79 EXPECT_EQ(value, input._buffer[i])
80 << "Bitstream mismatch between sender and receiver.";
81 return -1;
82 }
83 ++value;
84 }
85 return FakeDecoder::Decode(input,
86 missing_frames,
87 fragmentation,
88 codec_specific_info,
89 render_time_ms);
90 }
91
92 } // namespace test
93 } // namespace webrtc
94