1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "media/cast/video_sender/fake_software_video_encoder.h"
7 #include "base/json/json_writer.h"
8 #include "base/values.h"
9 #include "media/cast/transport/cast_transport_config.h"
11 #ifndef OFFICIAL_BUILD
16 FakeSoftwareVideoEncoder::FakeSoftwareVideoEncoder(
17 const VideoSenderConfig& video_config)
18 : video_config_(video_config),
19 next_frame_is_key_(true),
21 frame_id_to_reference_(0),
25 FakeSoftwareVideoEncoder::~FakeSoftwareVideoEncoder() {}
27 void FakeSoftwareVideoEncoder::Initialize() {}
29 bool FakeSoftwareVideoEncoder::Encode(
30 const scoped_refptr<media::VideoFrame>& video_frame,
31 transport::EncodedFrame* encoded_image) {
32 encoded_image->frame_id = frame_id_++;
33 if (next_frame_is_key_) {
34 encoded_image->dependency = transport::EncodedFrame::KEY;
35 encoded_image->referenced_frame_id = encoded_image->frame_id;
36 next_frame_is_key_ = false;
38 encoded_image->dependency = transport::EncodedFrame::DEPENDENT;
39 encoded_image->referenced_frame_id = encoded_image->frame_id - 1;
42 base::DictionaryValue values;
43 values.SetBoolean("key",
44 encoded_image->dependency == transport::EncodedFrame::KEY);
45 values.SetInteger("ref", encoded_image->referenced_frame_id);
46 values.SetInteger("id", encoded_image->frame_id);
47 values.SetInteger("size", frame_size_);
48 base::JSONWriter::Write(&values, &encoded_image->data);
49 encoded_image->data.resize(
50 std::max<size_t>(encoded_image->data.size(), frame_size_));
54 void FakeSoftwareVideoEncoder::UpdateRates(uint32 new_bitrate) {
55 frame_size_ = new_bitrate / video_config_.max_frame_rate / 8;
58 void FakeSoftwareVideoEncoder::GenerateKeyFrame() {
59 next_frame_is_key_ = true;
62 void FakeSoftwareVideoEncoder::LatestFrameIdToReference(uint32 frame_id) {
63 frame_id_to_reference_ = frame_id;