| | |
| | | ,io_ctx_(NULL) |
| | | ,read_io_buff_(NULL) |
| | | ,read_io_buff_size_(32768) |
| | | ,handle_gb28181(NULL) |
| | | {} |
| | | |
| | | FormatIn::~FormatIn() |
| | | { |
| | | if(io_ctx_){ |
| | | free(read_io_buff_); |
| | | avio_close(io_ctx_); |
| | | if(read_io_buff_){ |
| | | // av_free(read_io_buff_); |
| | | read_io_buff_ = NULL; |
| | | } |
| | | avio_context_free(&io_ctx_); |
| | | io_ctx_ = NULL; |
| | | } |
| | | if(ctx_){ |
| | | avformat_close_input(&ctx_); |
| | |
| | | ctx_ = NULL; |
| | | if(dec_ctx_){ |
| | | avcodec_close(dec_ctx_); |
| | | dec_ctx_ = NULL; |
| | | } |
| | | } |
| | | if (handle_gb28181){ |
| | | delete handle_gb28181; |
| | | } |
| | | } |
| | | |
| | | //////////////////////////////////////////////////////////////////////// |
| | | int FormatIn::openWithCustomIO(read_packet fn, AVDictionary **options/*=NULL*/){ |
| | | int FormatIn::openWithCustomIO(void *opaque, read_packet fn, AVDictionary **options/*=NULL*/){ |
| | | ctx_ = avformat_alloc_context(); |
| | | if(!ctx_){ |
| | | logIt("open with custom io create format error"); |
| | |
| | | return -1; |
| | | } |
| | | |
| | | io_ctx_ = avio_alloc_context(read_io_buff_, read_io_buff_size_, 0, NULL, fn, NULL, NULL); |
| | | io_ctx_ = avio_alloc_context(read_io_buff_, read_io_buff_size_, 0, opaque, fn, NULL, NULL);//opaque |
| | | if(!io_ctx_){ |
| | | logIt("open with custom io create custom avio error"); |
| | | return -1; |
| | | } |
| | | ctx_->pb = io_ctx_; |
| | | |
| | | auto err = av_probe_input_buffer(io_ctx_, &ctx_->iformat, NULL, NULL, 0, read_io_buff_size_); |
| | | auto err = av_probe_input_buffer(ctx_->pb, &ctx_->iformat, NULL, NULL, 0, read_io_buff_size_); |
| | | if(err != 0){ |
| | | logIt("open with custom io prob input buffer error"); |
| | | logIt("open with custom io prob input buffer error:%d", err); |
| | | logIt("failed:%s", getAVErrorDesc(err).c_str()); |
| | | return -1; |
| | | } |
| | | |
| | | return 0; |
| | | } |
| | | |
| | | int FormatIn::openGb28181(const char *filename, AVDictionary **options){ |
| | | |
| | | std::string fn = filename; |
| | | //GB28181API gb28181(fn); |
| | | if (handle_gb28181){ |
| | | delete handle_gb28181; |
| | | } |
| | | handle_gb28181 = new GB28181API; |
| | | handle_gb28181->addCamera(fn); |
| | | |
| | | int ret = openWithCustomIO((void *)&handle_gb28181, handle_gb28181->readData, options); |
| | | if(ret < 0){ |
| | | logIt("do openWithCustomIO failed:%d",ret); |
| | | } |
| | | |
| | | ret = avformat_open_input(&ctx_, "", NULL, options); |
| | | if(ret < 0){ |
| | | logIt("open %s failed:%s",filename, |
| | | getAVErrorDesc(ret).c_str()); |
| | | |
| | | } |
| | | |
| | | return ret; |
| | | } |
| | | |
| | | ///////////////////////////////////////////////////////////////////////// |
| | | int FormatIn::open(const char *filename, AVDictionary **options){ |
| | | |