兼容多线程编码的帧

This commit is contained in:
xiongziliang 2019-09-05 11:15:30 +08:00
parent d6fa0296cb
commit f1dce22915

View File

@ -40,6 +40,40 @@ using namespace toolkit;
using namespace mediakit;
/**
* frame
*/
class FrameMerger {
public:
FrameMerger() = default;
virtual ~FrameMerger() = default;
void inputFrame(const Frame::Ptr &frame,const function<void(uint32_t dts,uint32_t pts,const Buffer::Ptr &buffer)> &cb){
if (!_frameCached.empty() && _frameCached.back()->dts() != frame->dts()) {
Frame::Ptr back = _frameCached.back();
Buffer::Ptr merged_frame = back;
if(_frameCached.size() != 1){
string merged;
_frameCached.for_each([&](const Frame::Ptr &frame){
if(frame->prefixSize()){
merged.append(frame->data(),frame->size());
} else{
merged.append("\x00\x00\x00\x01",4);
merged.append(frame->data(),frame->size());
}
});
merged_frame = std::make_shared<BufferString>(std::move(merged));
}
cb(back->dts(),back->pts(),merged_frame);
_frameCached.clear();
}
_frameCached.emplace_back(Frame::getCacheAbleFrame(frame));
}
private:
List<Frame::Ptr> _frameCached;
};
#ifdef WIN32
#include <TCHAR.h>
@ -101,18 +135,26 @@ int main(int argc, char *argv[]) {
SDLDisplayerHelper::Instance().doTask([frame,storage]() {
auto &decoder = (*storage)["decoder"];
auto &displayer = (*storage)["displayer"];
auto &merger = (*storage)["merger"];
if(!decoder){
decoder.set<H264Decoder>();
}
if(!displayer){
displayer.set<YuvDisplayer>();
}
if(!merger){
merger.set<FrameMerger>();
};
merger.get<FrameMerger>().inputFrame(frame,[&](uint32_t dts,uint32_t pts,const Buffer::Ptr &buffer){
AVFrame *pFrame = nullptr;
bool flag = decoder.get<H264Decoder>().inputVideo((unsigned char *) frame->data(), frame->size(), frame->stamp(), &pFrame);
bool flag = decoder.get<H264Decoder>().inputVideo((unsigned char *) buffer->data(), buffer->size(), dts, &pFrame);
if (flag) {
displayer.get<YuvDisplayer>().displayYUV(pFrame);
}
});
return true;
});
}));