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/*
* Copyright (c) 2010 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.
*/
#ifndef WEBRTC_MEDIA_ENGINE_FAKEWEBRTCVIDEOENGINE_H_
#define WEBRTC_MEDIA_ENGINE_FAKEWEBRTCVIDEOENGINE_H_
#include <map>
#include <set>
#include <vector>
#include "webrtc/base/basictypes.h"
#include "webrtc/base/criticalsection.h"
#include "webrtc/base/gunit.h"
#include "webrtc/base/stringutils.h"
#include "webrtc/base/thread_annotations.h"
#include "webrtc/media/base/codec.h"
#include "webrtc/media/engine/webrtcvideodecoderfactory.h"
#include "webrtc/media/engine/webrtcvideoencoderfactory.h"
#include "webrtc/modules/video_coding/include/video_error_codes.h"
#include "webrtc/video_decoder.h"
#include "webrtc/video_encoder.h"
namespace cricket {
static const int kMinVideoBitrate = 100;
static const int kStartVideoBitrate = 300;
static const int kMaxVideoBitrate = 1000;
// WebRtc channel id and capture id share the same number space.
// This is how AddRenderer(renderId, ...) is able to tell if it is adding a
// renderer for a channel or it is adding a renderer for a capturer.
static const int kViEChannelIdBase = 0;
static const int kViEChannelIdMax = 1000;
static const int kEventTimeoutMs = 10000;
// Fake class for mocking out webrtc::VideoDecoder
class FakeWebRtcVideoDecoder : public webrtc::VideoDecoder {
public:
FakeWebRtcVideoDecoder() : num_frames_received_(0) {}
virtual int32_t InitDecode(const webrtc::VideoCodec*, int32_t) {
return WEBRTC_VIDEO_CODEC_OK;
}
virtual int32_t Decode(const webrtc::EncodedImage&,
bool,
const webrtc::RTPFragmentationHeader*,
const webrtc::CodecSpecificInfo*,
int64_t) {
num_frames_received_++;
return WEBRTC_VIDEO_CODEC_OK;
}
virtual int32_t RegisterDecodeCompleteCallback(
webrtc::DecodedImageCallback*) {
return WEBRTC_VIDEO_CODEC_OK;
}
virtual int32_t Release() { return WEBRTC_VIDEO_CODEC_OK; }
int GetNumFramesReceived() const {
return num_frames_received_;
}
private:
int num_frames_received_;
};
// Fake class for mocking out WebRtcVideoDecoderFactory.
class FakeWebRtcVideoDecoderFactory : public WebRtcVideoDecoderFactory {
public:
FakeWebRtcVideoDecoderFactory()
: num_created_decoders_(0) {
}
virtual webrtc::VideoDecoder* CreateVideoDecoder(
webrtc::VideoCodecType type) {
if (supported_codec_types_.count(type) == 0) {
return NULL;
}
FakeWebRtcVideoDecoder* decoder = new FakeWebRtcVideoDecoder();
decoders_.push_back(decoder);
num_created_decoders_++;
return decoder;
}
virtual webrtc::VideoDecoder* CreateVideoDecoderWithParams(
webrtc::VideoCodecType type,
VideoDecoderParams params) {
params_.push_back(params);
return CreateVideoDecoder(type);
}
virtual void DestroyVideoDecoder(webrtc::VideoDecoder* decoder) {
decoders_.erase(
std::remove(decoders_.begin(), decoders_.end(), decoder),
decoders_.end());
delete decoder;
}
void AddSupportedVideoCodecType(webrtc::VideoCodecType type) {
supported_codec_types_.insert(type);
}
int GetNumCreatedDecoders() {
return num_created_decoders_;
}
const std::vector<FakeWebRtcVideoDecoder*>& decoders() {
return decoders_;
}
const std::vector<VideoDecoderParams>& params() { return params_; }
private:
std::set<webrtc::VideoCodecType> supported_codec_types_;
std::vector<FakeWebRtcVideoDecoder*> decoders_;
int num_created_decoders_;
std::vector<VideoDecoderParams> params_;
};
// Fake class for mocking out webrtc::VideoEnoder
class FakeWebRtcVideoEncoder : public webrtc::VideoEncoder {
public:
FakeWebRtcVideoEncoder()
: init_encode_event_(false, false), num_frames_encoded_(0) {}
virtual int32_t InitEncode(const webrtc::VideoCodec* codecSettings,
int32_t numberOfCores,
size_t maxPayloadSize) {
rtc::CritScope lock(&crit_);
codec_settings_ = *codecSettings;
init_encode_event_.Set();
return WEBRTC_VIDEO_CODEC_OK;
}
bool WaitForInitEncode() { return init_encode_event_.Wait(kEventTimeoutMs); }
webrtc::VideoCodec GetCodecSettings() {
rtc::CritScope lock(&crit_);
return codec_settings_;
}
virtual int32_t Encode(const webrtc::VideoFrame& inputImage,
const webrtc::CodecSpecificInfo* codecSpecificInfo,
const std::vector<webrtc::FrameType>* frame_types) {
rtc::CritScope lock(&crit_);
++num_frames_encoded_;
init_encode_event_.Set();
return WEBRTC_VIDEO_CODEC_OK;
}
virtual int32_t RegisterEncodeCompleteCallback(
webrtc::EncodedImageCallback* callback) {
return WEBRTC_VIDEO_CODEC_OK;
}
virtual int32_t Release() { return WEBRTC_VIDEO_CODEC_OK; }
virtual int32_t SetChannelParameters(uint32_t packetLoss, int64_t rtt) {
return WEBRTC_VIDEO_CODEC_OK;
}
virtual int32_t SetRates(uint32_t newBitRate, uint32_t frameRate) {
return WEBRTC_VIDEO_CODEC_OK;
}
int GetNumEncodedFrames() {
rtc::CritScope lock(&crit_);
return num_frames_encoded_;
}
private:
rtc::CriticalSection crit_;
rtc::Event init_encode_event_;
int num_frames_encoded_ GUARDED_BY(crit_);
webrtc::VideoCodec codec_settings_ GUARDED_BY(crit_);
};
// Fake class for mocking out WebRtcVideoEncoderFactory.
class FakeWebRtcVideoEncoderFactory : public WebRtcVideoEncoderFactory {
public:
FakeWebRtcVideoEncoderFactory()
: created_video_encoder_event_(false, false),
num_created_encoders_(0),
encoders_have_internal_sources_(false) {}
webrtc::VideoEncoder* CreateVideoEncoder(
webrtc::VideoCodecType type) override {
rtc::CritScope lock(&crit_);
if (supported_codec_types_.count(type) == 0) {
return NULL;
}
FakeWebRtcVideoEncoder* encoder = new FakeWebRtcVideoEncoder();
encoders_.push_back(encoder);
num_created_encoders_++;
created_video_encoder_event_.Set();
return encoder;
}
bool WaitForCreatedVideoEncoders(int num_encoders) {
while (created_video_encoder_event_.Wait(kEventTimeoutMs)) {
if (GetNumCreatedEncoders() >= num_encoders)
return true;
}
return false;
}
void DestroyVideoEncoder(webrtc::VideoEncoder* encoder) override {
rtc::CritScope lock(&crit_);
encoders_.erase(
std::remove(encoders_.begin(), encoders_.end(), encoder),
encoders_.end());
delete encoder;
}
const std::vector<WebRtcVideoEncoderFactory::VideoCodec>& codecs()
const override {
return codecs_;
}
bool EncoderTypeHasInternalSource(
webrtc::VideoCodecType type) const override {
return encoders_have_internal_sources_;
}
void set_encoders_have_internal_sources(bool internal_source) {
encoders_have_internal_sources_ = internal_source;
}
void AddSupportedVideoCodecType(webrtc::VideoCodecType type,
const std::string& name) {
supported_codec_types_.insert(type);
codecs_.push_back(
WebRtcVideoEncoderFactory::VideoCodec(type, name, 1280, 720, 30));
}
int GetNumCreatedEncoders() {
rtc::CritScope lock(&crit_);
return num_created_encoders_;
}
const std::vector<FakeWebRtcVideoEncoder*> encoders() {
rtc::CritScope lock(&crit_);
return encoders_;
}
private:
rtc::CriticalSection crit_;
rtc::Event created_video_encoder_event_;
std::set<webrtc::VideoCodecType> supported_codec_types_;
std::vector<WebRtcVideoEncoderFactory::VideoCodec> codecs_;
std::vector<FakeWebRtcVideoEncoder*> encoders_ GUARDED_BY(crit_);
int num_created_encoders_ GUARDED_BY(crit_);
bool encoders_have_internal_sources_;
};
} // namespace cricket
#endif // WEBRTC_MEDIA_ENGINE_FAKEWEBRTCVIDEOENGINE_H_