video analysis2.0拆分,ffmpeg封装go接口库
zhangmeng
2019-10-23 ac5446e6f58db4c556b30d4917e6af2bf5c2b29b
recover
1个文件已修改
33 ■■■■■ 已修改文件
csrc/worker/decoder.cpp 33 ●●●●● 补丁 | 查看 | 原始文档 | blame | 历史
csrc/worker/decoder.cpp
@@ -53,37 +53,8 @@
        frm.height = frame->height;
        frm.format = frame->format;
        frm.id = id;
        uint8_t *tmp = cvbridge::extractFrame(frame, &frm.length);
        uint8_t *data = NULL;
        if (frame->format == AV_PIX_FMT_YUV420P){
            data = tmp;
        }else if (frame->format == AV_PIX_FMT_NV12){
            data = (uint8_t*)malloc(frm.length);
            int i, j;
            int y_size = frame->width * frame->height;
            unsigned char* y = tmp;
            unsigned char* uv = tmp + y_size;
            unsigned char* y_tmp = data;
            unsigned char* u_tmp = data + y_size;
            unsigned char* v_tmp = data + y_size * 5 / 4;
            // y
            memcpy(y_tmp, y, y_size);
            // uv
            for (j = 0, i = 0; j < y_size/2; j+=2, i++)
            {
                u_tmp[i] = uv[j];
                v_tmp[i] = uv[j+1];
            }
            free(tmp);
        }else{
            return 0;
        }
        frm.data = data;
        frm.data = cvbridge::extractFrame(frame, &frm.length);
        std::lock_guard<std::mutex> l(mutex_frm_);
        while(list_frm_.size() > 50){
            for(int i = 0; i < 12; i++){