1 /*
2 * Copyright (c) 2018 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 "video/frame_dumping_decoder.h"
12
13 #include <memory>
14 #include <utility>
15
16 #include "modules/video_coding/include/video_codec_interface.h"
17 #include "modules/video_coding/utility/ivf_file_writer.h"
18
19 namespace webrtc {
20 namespace {
21
22 class FrameDumpingDecoder : public VideoDecoder {
23 public:
24 FrameDumpingDecoder(std::unique_ptr<VideoDecoder> decoder, FileWrapper file);
25 ~FrameDumpingDecoder() override;
26
27 int32_t InitDecode(const VideoCodec* codec_settings,
28 int32_t number_of_cores) override;
29 int32_t Decode(const EncodedImage& input_image,
30 bool missing_frames,
31 int64_t render_time_ms) override;
32 int32_t RegisterDecodeCompleteCallback(
33 DecodedImageCallback* callback) override;
34 int32_t Release() override;
35 bool PrefersLateDecoding() const override;
36 const char* ImplementationName() const override;
37
38 private:
39 std::unique_ptr<VideoDecoder> decoder_;
40 VideoCodecType codec_type_ = VideoCodecType::kVideoCodecGeneric;
41 std::unique_ptr<IvfFileWriter> writer_;
42 };
43
FrameDumpingDecoder(std::unique_ptr<VideoDecoder> decoder,FileWrapper file)44 FrameDumpingDecoder::FrameDumpingDecoder(std::unique_ptr<VideoDecoder> decoder,
45 FileWrapper file)
46 : decoder_(std::move(decoder)),
47 writer_(IvfFileWriter::Wrap(std::move(file),
48 /* byte_limit= */ 100000000)) {}
49
50 FrameDumpingDecoder::~FrameDumpingDecoder() = default;
51
InitDecode(const VideoCodec * codec_settings,int32_t number_of_cores)52 int32_t FrameDumpingDecoder::InitDecode(const VideoCodec* codec_settings,
53 int32_t number_of_cores) {
54 codec_type_ = codec_settings->codecType;
55 return decoder_->InitDecode(codec_settings, number_of_cores);
56 }
57
Decode(const EncodedImage & input_image,bool missing_frames,int64_t render_time_ms)58 int32_t FrameDumpingDecoder::Decode(const EncodedImage& input_image,
59 bool missing_frames,
60 int64_t render_time_ms) {
61 int32_t ret = decoder_->Decode(input_image, missing_frames, render_time_ms);
62 writer_->WriteFrame(input_image, codec_type_);
63
64 return ret;
65 }
66
RegisterDecodeCompleteCallback(DecodedImageCallback * callback)67 int32_t FrameDumpingDecoder::RegisterDecodeCompleteCallback(
68 DecodedImageCallback* callback) {
69 return decoder_->RegisterDecodeCompleteCallback(callback);
70 }
71
Release()72 int32_t FrameDumpingDecoder::Release() {
73 return decoder_->Release();
74 }
75
PrefersLateDecoding() const76 bool FrameDumpingDecoder::PrefersLateDecoding() const {
77 return decoder_->PrefersLateDecoding();
78 }
79
ImplementationName() const80 const char* FrameDumpingDecoder::ImplementationName() const {
81 return decoder_->ImplementationName();
82 }
83
84 } // namespace
85
CreateFrameDumpingDecoderWrapper(std::unique_ptr<VideoDecoder> decoder,FileWrapper file)86 std::unique_ptr<VideoDecoder> CreateFrameDumpingDecoderWrapper(
87 std::unique_ptr<VideoDecoder> decoder,
88 FileWrapper file) {
89 return std::make_unique<FrameDumpingDecoder>(std::move(decoder),
90 std::move(file));
91 }
92
93 } // namespace webrtc
94