| | |
| | | { |
| | | decoder::decoder(ffwrapper::FormatIn *dec) |
| | | :decRef_(dec) |
| | | ,conv_(NULL) |
| | | {} |
| | | |
| | | decoder::~decoder(){ |
| | | if (conv_){ |
| | | delete conv_; |
| | | conv_ = NULL; |
| | | } |
| | | |
| | | std::lock_guard<std::mutex> l(mutex_frm_); |
| | | for(auto i : list_frm_){ |
| | | free(i.data); |
| | |
| | | } |
| | | |
| | | int decoder::saveFrame(AVFrame *frame, const int64_t &id){ |
| | | AVFrame *cFrame = NULL; |
| | | bool conv = false; |
| | | if (frame->format != AV_PIX_FMT_NV12){ |
| | | if (!conv_){ |
| | | conv_ = new cvbridge( |
| | | frame->width, frame->height, frame->format, |
| | | frame->width, frame->height, AV_PIX_FMT_NV12); |
| | | } |
| | | if (conv_){ |
| | | cFrame = conv_->convert2Frame(frame); |
| | | if (!cFrame) return -1; |
| | | conv = true; |
| | | } |
| | | } |
| | | AVFrame * rFrame = frame; |
| | | if (conv && cFrame) rFrame = cFrame; |
| | | |
| | | FRM frm; |
| | | frm.width = rFrame->width; |
| | | frm.height = rFrame->height; |
| | | frm.format = rFrame->format; |
| | | frm.width = frame->width; |
| | | frm.height = frame->height; |
| | | frm.format = frame->format; |
| | | frm.id = id; |
| | | frm.data = cvbridge::extractFrame(rFrame, &frm.length); |
| | | uint8_t *origin = cvbridge::extractFrame(frame, &frm.length); |
| | | if (!origin) return -1; |
| | | |
| | | if (conv && cFrame) av_frame_free(&cFrame); |
| | | uint8_t *finale = NULL; |
| | | if (frame->format != AV_PIX_FMT_NV12){ |
| | | finale = (uint8_t*)malloc(frm.length); |
| | | |
| | | unsigned char* SrcU = origin + frm.width * frm.height; |
| | | unsigned char* SrcV = SrcU + frm.width * frm.height / 4 ; |
| | | unsigned char* DstU = finale + frm.width * frm.height; |
| | | memcpy(finale, origin, frm.width * frm.height); |
| | | int i = 0; |
| | | for( i = 0 ; i < frm.width * frm.height / 4 ; i++ ){ |
| | | *(DstU++) = *(SrcU++); |
| | | *(DstU++) = *(SrcV++); |
| | | } |
| | | free(origin); |
| | | }else{ |
| | | finale = origin; |
| | | } |
| | | frm.data = finale; |
| | | |
| | | std::lock_guard<std::mutex> l(mutex_frm_); |
| | | while(list_frm_.size() > 50){ |