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libtgvoip/os/android/VideoRendererAndroid.cpp

115 lines
3.1 KiB
C++

//
// Created by Grishka on 12.08.2018.
//
#include "VideoRendererAndroid.h"
#include "JNIUtilities.h"
#include "../../PrivateDefines.h"
#include "../../logging.h"
using namespace tgvoip;
using namespace tgvoip::video;
jmethodID VideoRendererAndroid::resetMethod=NULL;
jmethodID VideoRendererAndroid::decodeAndDisplayMethod=NULL;
jmethodID VideoRendererAndroid::setStreamEnabledMethod=NULL;
std::vector<uint32_t> VideoRendererAndroid::availableDecoders;
int VideoRendererAndroid::maxResolution;
extern JavaVM* sharedJVM;
VideoRendererAndroid::VideoRendererAndroid(jobject jobj) : queue(50){
this->jobj=jobj;
}
VideoRendererAndroid::~VideoRendererAndroid(){
running=false;
Buffer empty(0);
queue.Put(std::move(empty));
thread->Join();
delete thread;
/*decoderThread.Post([this]{
decoderEnv->DeleteGlobalRef(jobj);
});*/
}
void VideoRendererAndroid::Reset(uint32_t codec, unsigned int width, unsigned int height, std::vector<Buffer> &_csd){
assert(!thread);
for(Buffer& b:_csd){
csd.push_back(Buffer::CopyOf(b));
}
this->codec=codec;
this->width=width;
this->height=height;
thread=new Thread(std::bind(&VideoRendererAndroid::RunThread, this));
thread->Start();
}
void VideoRendererAndroid::DecodeAndDisplay(Buffer frame, uint32_t pts){
/*decoderThread.Post(std::bind([this](Buffer frame){
}, std::move(frame)));*/
//LOGV("2 before decode %u", (unsigned int)frame.Length());
queue.Put(std::move(frame));
}
void VideoRendererAndroid::RunThread(){
JNIEnv* env;
sharedJVM->AttachCurrentThread(&env, NULL);
jobjectArray jcsd=NULL;
if(!csd.empty()){
jcsd=env->NewObjectArray((jsize)csd.size(), env->FindClass("[B"), NULL);
jsize i=0;
for(Buffer& b:csd){
env->SetObjectArrayElement(jcsd, i, jni::BufferToByteArray(env, b));
i++;
}
}
std::string codecStr="";
switch(codec){
case CODEC_AVC:
codecStr="video/avc";
break;
case CODEC_HEVC:
codecStr="video/hevc";
break;
case CODEC_VP8:
codecStr="video/x-vnd.on2.vp8";
break;
case CODEC_VP9:
codecStr="video/x-vnd.on2.vp9";
break;
}
env->CallVoidMethod(jobj, resetMethod, env->NewStringUTF(codecStr.c_str()), (jint)width, (jint)height, jcsd);
bool enabled=true;
env->CallVoidMethod(jobj, setStreamEnabledMethod, enabled);
constexpr size_t bufferSize=200*1024;
unsigned char* buf=reinterpret_cast<unsigned char*>(malloc(bufferSize));
jobject jbuf=env->NewDirectByteBuffer(buf, bufferSize);
while(running){
//LOGV("before get from queue");
Buffer frame=std::move(queue.GetBlocking());
//LOGV("1 before decode %u", (unsigned int)frame.Length());
if(!running)
break;
if(frame.Length()>bufferSize){
LOGE("Frame data is too long (%u, max %u)", (int)frame.Length(), (int)bufferSize);
}else{
memcpy(buf, *frame, frame.Length());
env->CallVoidMethod(jobj, decodeAndDisplayMethod, jbuf, (jint) frame.Length(), 0);
}
}
free(buf);
sharedJVM->DetachCurrentThread();
LOGI("==== decoder thread exiting ====");
}
void VideoRendererAndroid::SetStreamEnabled(bool enabled){
LOGI("Video stream state: %d", enabled);
/*decoderThread.Post([=](){
decoderEnv->CallVoidMethod(jobj, setStreamEnabledMethod, enabled);
});*/
}