webrtc_m130/webrtc/test/frame_generator_capturer.cc
perkj 26105b41b4 Let ViEEncoder handle resolution changes.
This cl move codec reconfiguration due to video frame size changes from WebRtcVideoSendStream to ViEEncoder.

With this change, many variables in WebRtcVideoSendStream no longer need to be locked.

BUG=webrtc:5687, webrtc:6371, webrtc:5332

Review-Url: https://codereview.webrtc.org/2351633002
Cr-Commit-Position: refs/heads/master@{#14445}
2016-09-30 05:39:15 +00:00

152 lines
4.3 KiB
C++

/*
* 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 "webrtc/test/frame_generator_capturer.h"
#include "webrtc/base/criticalsection.h"
#include "webrtc/base/platform_thread.h"
#include "webrtc/system_wrappers/include/clock.h"
#include "webrtc/system_wrappers/include/event_wrapper.h"
#include "webrtc/system_wrappers/include/sleep.h"
#include "webrtc/test/frame_generator.h"
#include "webrtc/video_send_stream.h"
namespace webrtc {
namespace test {
FrameGeneratorCapturer* FrameGeneratorCapturer::Create(size_t width,
size_t height,
int target_fps,
Clock* clock) {
FrameGeneratorCapturer* capturer = new FrameGeneratorCapturer(
clock, FrameGenerator::CreateChromaGenerator(width, height), target_fps);
if (!capturer->Init()) {
delete capturer;
return NULL;
}
return capturer;
}
FrameGeneratorCapturer* FrameGeneratorCapturer::CreateFromYuvFile(
const std::string& file_name,
size_t width,
size_t height,
int target_fps,
Clock* clock) {
FrameGeneratorCapturer* capturer = new FrameGeneratorCapturer(
clock, FrameGenerator::CreateFromYuvFile(
std::vector<std::string>(1, file_name), width, height, 1),
target_fps);
if (!capturer->Init()) {
delete capturer;
return NULL;
}
return capturer;
}
FrameGeneratorCapturer::FrameGeneratorCapturer(Clock* clock,
FrameGenerator* frame_generator,
int target_fps)
: clock_(clock),
sending_(false),
sink_(nullptr),
tick_(EventTimerWrapper::Create()),
thread_(FrameGeneratorCapturer::Run, this, "FrameGeneratorCapturer"),
frame_generator_(frame_generator),
target_fps_(target_fps),
first_frame_capture_time_(-1) {
RTC_DCHECK(frame_generator);
RTC_DCHECK_GT(target_fps, 0);
}
FrameGeneratorCapturer::~FrameGeneratorCapturer() {
Stop();
thread_.Stop();
}
void FrameGeneratorCapturer::SetFakeRotation(VideoRotation rotation) {
rtc::CritScope cs(&lock_);
fake_rotation_ = rotation;
}
bool FrameGeneratorCapturer::Init() {
// This check is added because frame_generator_ might be file based and should
// not crash because a file moved.
if (frame_generator_.get() == NULL)
return false;
if (!tick_->StartTimer(true, 1000 / target_fps_))
return false;
thread_.Start();
thread_.SetPriority(rtc::kHighPriority);
return true;
}
bool FrameGeneratorCapturer::Run(void* obj) {
static_cast<FrameGeneratorCapturer*>(obj)->InsertFrame();
return true;
}
void FrameGeneratorCapturer::InsertFrame() {
{
rtc::CritScope cs(&lock_);
if (sending_) {
VideoFrame* frame = frame_generator_->NextFrame();
frame->set_ntp_time_ms(clock_->CurrentNtpInMilliseconds());
frame->set_rotation(fake_rotation_);
if (first_frame_capture_time_ == -1) {
first_frame_capture_time_ = frame->ntp_time_ms();
}
if (sink_)
sink_->OnFrame(*frame);
}
}
tick_->Wait(WEBRTC_EVENT_INFINITE);
}
void FrameGeneratorCapturer::Start() {
rtc::CritScope cs(&lock_);
sending_ = true;
}
void FrameGeneratorCapturer::Stop() {
rtc::CritScope cs(&lock_);
sending_ = false;
}
void FrameGeneratorCapturer::ChangeResolution(size_t width, size_t height) {
rtc::CritScope cs(&lock_);
frame_generator_->ChangeResolution(width, height);
}
void FrameGeneratorCapturer::AddOrUpdateSink(
rtc::VideoSinkInterface<VideoFrame>* sink,
const rtc::VideoSinkWants& wants) {
rtc::CritScope cs(&lock_);
RTC_CHECK(!sink_);
sink_ = sink;
}
void FrameGeneratorCapturer::RemoveSink(
rtc::VideoSinkInterface<VideoFrame>* sink) {
rtc::CritScope cs(&lock_);
RTC_CHECK(sink_ == sink);
sink_ = nullptr;
}
void FrameGeneratorCapturer::ForceFrame() {
tick_->Set();
}
} // test
} // webrtc