| | |
| | | |
| | | return -1; |
| | | } |
| | | |
| | | bool satisfy(const int index, const int need, const int reserved){ |
| | | nvGpuInfo_t gpu_info; |
| | | |
| | | int ret = get_gpu_info(&gpu_info); |
| | | if(!ret){ |
| | | if (gpu_info.device_count == 0) return -1; |
| | | |
| | | for(int i = 0; i < gpu_info.device_count; i++){ |
| | | if (i == index){ |
| | | int mem_free = (gpu_info.devices[i].memory_free >> 20) - reserved - need; |
| | | if(mem_free > 0){ |
| | | return true; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | return false; |
| | | } |
| | | |
| | | int test(void) |
| | | { |
| | | nvGpuInfo_t gpu_buf; |
| | |
| | | namespace gpu{ |
| | | int getGPU(const int need); |
| | | int getGPUPrior(const int need, const int reserved, const int lastChoice); |
| | | bool satisfy(const int index, const int need, const int reserved); |
| | | } |
| | | |
| | | #endif |
| | |
| | | |
| | | #include <stdexcept> |
| | | #include <unistd.h> |
| | | #include <stdlib.h> |
| | | #include <time.h> |
| | | |
| | | extern "C"{ |
| | | #include <libavformat/avformat.h> |
| | |
| | | return ctx_->streams[vs_idx_]->codecpar->codec_id == AV_CODEC_ID_HEVC; |
| | | } |
| | | |
| | | const bool FormatIn::isAVC1()const{ |
| | | if (IsHEVC()) return false; |
| | | |
| | | char p[100] = {0}; |
| | | char *sub = av_fourcc_make_string(p, ctx_->streams[vs_idx_]->codecpar->codec_tag); |
| | | const int ret = strcmp(sub, "avc1"); |
| | | if (ret == 0) return true; |
| | | return false; |
| | | } |
| | | |
| | | bool FormatIn::openCodec(AVDictionary **options){ |
| | | if (vs_idx_ == -1) return false; |
| | | |
| | |
| | | |
| | | int idle_gpu = -1; |
| | | |
| | | srand((unsigned)time(NULL)); |
| | | |
| | | constexpr int need = 350; // M |
| | | constexpr int reserved = 512; // M |
| | | |
| | | for (int i = 0; i < 2; ++i) |
| | | { |
| | | if(hw_accl_){ |
| | | idle_gpu = gpu::getGPUPrior(350, 896, 0); |
| | | // idle_gpu = gpu::getGPU(300); |
| | | |
| | | // 设置gpu index |
| | | if (prop_->gpu_index_ > -1){ |
| | | idle_gpu = prop_->gpu_index_; |
| | | if (!gpu::satisfy(prop_->gpu_index_, need, reserved)){ |
| | | hw_accl_ = false; |
| | | continue; |
| | | } |
| | | idle_gpu = prop_->gpu_index_; |
| | | }else{ |
| | | idle_gpu = gpu::getGPUPrior(need, reserved, 0); |
| | | // idle_gpu = gpu::getGPU(300); |
| | | usleep(2000000 + rand()%3000000); |
| | | if (!gpu::satisfy(idle_gpu, need, reserved)){ |
| | | hw_accl_ = false; |
| | | continue; |
| | | } |
| | | } |
| | | |
| | | if(idle_gpu < 0){ |
| | | logIt("NO GPU RESOURCE TO DECODE"); |
| | | hw_accl_ = false; |
| | |
| | | AVFormatContext *getFromatContext(){return ctx_;} |
| | | const double getFPS()const{return fps_;} |
| | | const bool IsHEVC()const; |
| | | const bool isAVC1()const; |
| | | private: |
| | | AVFormatContext *ctx_; |
| | | AVCodecContext *dec_ctx_; |
| | |
| | | ,format_name_("mp4") |
| | | ,in_v_stream_(NULL) |
| | | ,in_a_stream_(NULL) |
| | | ,bsf_h264(NULL) |
| | | ,bsf_hevc(NULL) |
| | | {} |
| | | |
| | | FormatOut::~FormatOut() |
| | | { |
| | | clear(); |
| | | |
| | | if (bsf_h264) av_bsf_free(&bsf_h264); |
| | | if (bsf_hevc) av_bsf_free(&bsf_hevc); |
| | | } |
| | | |
| | | void FormatOut::clear(){ |
| | |
| | | av_dict_free(&avdic); |
| | | } |
| | | |
| | | if (v){ |
| | | if (v->codecpar->codec_id == AV_CODEC_ID_H264){ |
| | | char p[100] = {0}; |
| | | char *sub = av_fourcc_make_string(p, v->codecpar->codec_tag); |
| | | if (strcmp(sub, "avc1") == 0){ |
| | | const AVBitStreamFilter *f = av_bsf_get_by_name("h264_mp4toannexb"); |
| | | if (f){ |
| | | if (av_bsf_alloc(f, &bsf_h264) >= 0){ |
| | | if (avcodec_parameters_copy(bsf_h264->par_in, v->codecpar) >= 0){ |
| | | if (av_bsf_init(bsf_h264) < 0) bsf_h264 = NULL; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | } |
| | | } |
| | | return flag; |
| | | } |
| | | |
| | |
| | | |
| | | bool FormatOut::writeFrame2(AVPacket *pkt, bool interleaved){ |
| | | |
| | | // h264_mp4toanatax |
| | | if (bsf_h264){ |
| | | if (av_bsf_send_packet(bsf_h264, pkt) < 0){ |
| | | logIt("bsf_h264 send packet failed"); |
| | | return true; |
| | | } |
| | | if (av_bsf_receive_packet(bsf_h264, pkt) < 0){ |
| | | logIt("bsf_h264 recv packet failed"); |
| | | return true; |
| | | } |
| | | } |
| | | |
| | | // |
| | | int ret = 0; |
| | | if(interleaved){ |
| | | ret = av_interleaved_write_frame(ctx_, pkt); |
| | |
| | | struct AVFrame; |
| | | struct AVPacket; |
| | | struct AVDictionary; |
| | | struct AVBSFContext; |
| | | |
| | | namespace ffwrapper{ |
| | | class VideoProp; |
| | |
| | | double fps_; |
| | | std::string format_name_; |
| | | |
| | | AVBSFContext *bsf_h264, *bsf_hevc; |
| | | // rec |
| | | AVStream *in_v_stream_; |
| | | AVStream *in_a_stream_; |