ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in", 207 args, NULL, filter_graph); 208 if (ret < 0) { 209 av_log(NULL, AV_LOG_ERROR, "Cannot create buffer source\n"); 210 goto end; 211 } 212 ret = avfilter_graph_create_filter(&buffersink_ctx, buffersink, ...
ret =avfilter_graph_create_filter(&buffersrc_ctx, buffersrc,"in", args, NULL, filter_graph); if (ret < 0) { av_log(NULL, AV_LOG_ERROR,"Cannotcreate buffer source\n"); goto end; } ret =avfilter_graph_create_filter(&buffersink_ctx, buffersink,"out", NULL, NULL, filter_graph); i...
并被添加到滤镜图fctx->filter_graph中ret = avfilter_graph_create_filter(&fctx->bufsrc_ctx, bufsrc, "in",p_args, NULL, fctx->filter_graph);if (ret < 0){av_log(NULL, AV_LOG_ERROR, "Cannot create buffer source\n");goto end;}// buffersink滤镜:缓冲视频帧,作为...
Cannot be combined with --target-exec --enable-ftrapv Trap arithmetic overflows --samples=PATH location of test samples for FATE, if not set use $FATE_SAMPLES at make invocation time. --enable-neon-clobber-test check NEON registers for clobbering (should be used only for debugging purposes)...
hpp:801:14: error:‘AV_LOCK_CREATE’ was not declared in this scope case AV_LOCK_CREATE: ^~~~ /home/hankf/proj/slam/opencv-4.5.4/modules/videoio/src/cap_ffmpeg_impl.hpp:801:14: note: suggested alternative:‘AV_LOG_TRACE’ case AV_LOCK_CREATE: ^~~~ AV_LOG_TRACE /home/hankf/pr...
graph); if (ret < 0) { printf("Error: cannot create buffer source.\n"); return ret; } /* buffer video sink: to terminate the filter chain. */ buffersink_params = av_buffersink_params_alloc(); buffersink_params->pixel_fmts = pix_fmts; ret = avfilter_graph_create_filter(&buffer...
ffmpeg.exe :功能强大的处理音视频文件的软件,可以实现音视频的录制、转码、剪辑、合成等功能。 ffplay.exe:FFmpeg自带的播放器工具,基于SDL与 ffmpeg 库实现,提供了音视频显示和播放相关的图像信息和音频波形信息等,可以播放本地文件或者网络流媒体。 ffprobe.exe:FFmpeg自带的多媒体信息检测工具,可以获取多媒体文件的...
graph); if (ret < 0) { printf("Error: cannot create buffer source.\n"); return ret; } /* buffer video sink: to terminate the filter chain. */ buffersink_params = av_buffersink_params_alloc(); buffersink_params->pixel_fmts = pix_fmts; ret = avfilter_graph_create_filter(&buffer...
dec_ctx->width,dec_ctx->height,dec_ctx->pix_fmt,time_base.num,time_base.den,dec_ctx->sample_aspect_ratio.num,dec_ctx->sample_aspect_ratio.den);ret=avfilter_graph_create_filter(&buffersrc_ctx,buffersrc,"in",args,NULL,filter_graph);if(ret<0){av_log(NULL,AV_LOG_ERROR,"Cannot create...
;ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",args, NULL, filter_graph);if (ret < 0){printf("Cannot create buffer source re = %d\n", ret);return ret;}/* buffer video sink: to terminate the filter chain. */buffersink_params = av_buffersink_params_alloc();...