/* find the video decoder */
	if (!(pCodec=avcodec_find_decoder_by_name("h264_mediacodec"))){  //first find the h264_mediacodec
		LOGD("h264_mediacodec not found, using h264");
		if (!(pCodec=avcodec_find_decoder(AV_CODEC_ID_H264))){  //AV_CODEC_ID_H264  AV_CODEC_ID_HEVC
		LOGD("codec not found!");
		goto ERROR;
		}
	}
	else
		LOGD("using h264_mediacodec");

	pCodecCtx = avcodec_alloc_context3(pCodec);
	/*pCodecCtx->codec_type = AVMEDIA_TYPE_VIDEO;
	pCodecCtx->codec_id = AV_CODEC_ID_H264;
	pCodecCtx->profile = FF_PROFILE_H264_MAIN;
	pCodecCtx->coded_width = 1280;
	pCodecCtx->coded_height = 720;
	pCodecCtx->pix_fmt = AV_PIX_FMT_YUV420P;
	pCodecCtx->extradata = NULL;
	pCodecCtx->extradata_size = 0;*/
	av_opt_set_int(pCodecCtx, "refcounted_frames", 1, 0);
    av_opt_set(pCodecCtx, "threads", "auto", 0);
	pCodecCtx->codec_id = AV_CODEC_ID_H264;
	pCodecCtx->get_format = mediacodec_hwaccel_get_format;
    pCodecCtx->thread_count = 1;

	pFrame = av_frame_alloc();// Allocate video frame
	if((pCodecCtx == NULL)||(pFrame == NULL))
	{
		LOGD("pCodecCtx or pFrame alloc fail");
		goto ERROR;
	}

	int ret = avcodec_open2(pCodecCtx, pCodec, NULL);
	if ( ret < 0) {
		LOGD("could not open codec %d", ret);
		goto ERROR;
	}