2  * Copyright (c) 2008-2010 Stefano Sabatini
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
43            "-i INFILE         set INFILE as input file, stdin if omitted\n"  in usage()
44            "-o OUTFILE        set OUTFILE as output file, stdout if omitted\n"  in usage()
45            "-h                print this help\n");  in usage()
53 static void print_digraph(FILE *outfile, AVFilterGraph *graph)  in print_digraph()  argument
57     fprintf(outfile, "digraph G {\n");  in print_digraph()
58     fprintf(outfile, "node [shape=box]\n");  in print_digraph()
59     fprintf(outfile, "rankdir=LR\n");  in print_digraph()
61     for (i = 0; i < graph->nb_filters; i++) {  in print_digraph()
63         const AVFilterContext *filter_ctx = graph->filters[i];  in print_digraph()
66                  filter_ctx->name,  in print_digraph()
67                  filter_ctx->filter->name);  in print_digraph()
69         for (j = 0; j < filter_ctx->nb_outputs; j++) {  in print_digraph()
70             AVFilterLink *link = filter_ctx->outputs[j];  in print_digraph()
73                 const AVFilterContext *dst_filter_ctx = link->dst;  in print_digraph()
77                          dst_filter_ctx->name,  in print_digraph()
78                          dst_filter_ctx->filter->name);  in print_digraph()
80                 fprintf(outfile, "\"%s\" -> \"%s\" [ label= \"inpad:%s -> outpad:%s\\n",  in print_digraph()
82                         avfilter_pad_get_name(link->srcpad, 0),  in print_digraph()
83                         avfilter_pad_get_name(link->dstpad, 0));  in print_digraph()
85                 if (link->type == AVMEDIA_TYPE_VIDEO) {  in print_digraph()
86                     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);  in print_digraph()
87                     fprintf(outfile,  in print_digraph()
89                             desc->name,  in print_digraph()
90                             link->w, link->h,  in print_digraph()
91                             link->time_base.num, link->time_base.den);  in print_digraph()
92                 } else if (link->type == AVMEDIA_TYPE_AUDIO) {  in print_digraph()
94                     av_channel_layout_describe(&link->ch_layout, buf, sizeof(buf));  in print_digraph()
95                     fprintf(outfile,  in print_digraph()
97                             av_get_sample_fmt_name(link->format),  in print_digraph()
98                             link->sample_rate, buf,  in print_digraph()
99                             link->time_base.num, link->time_base.den);  in print_digraph()
101                 fprintf(outfile, "\" ];\n");  in print_digraph()
105     fprintf(outfile, "}\n");  in print_digraph()
112     FILE *outfile           = NULL;  in main()  local
120     while ((c = getopt(argc, argv, "hi:o:")) != -1) {  in main()
136     if (!infilename || !strcmp(infilename, "-"))  in main()
145     if (!outfilename || !strcmp(outfilename, "-"))  in main()
147     outfile = fopen(outfilename, "w");  in main()
148     if (!outfile) {  in main()
165         while (fgets(last_line->data, sizeof(last_line->data), infile)) {  in main()
171             count += strlen(last_line->data);  in main()
172             last_line->next = new_line;  in main()
175         last_line->next = NULL;  in main()
183         for (line = first_line; line->next; line = line->next) {  in main()
184             size_t l = strlen(line->data);  in main()
185             memcpy(p, line->data, l);  in main()
205     print_digraph(outfile, graph);  in main()
206     fflush(outfile);  in main()