diff options
Diffstat (limited to 'ffmpeg/tools/graph2dot.c')
| -rw-r--r-- | ffmpeg/tools/graph2dot.c | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/ffmpeg/tools/graph2dot.c b/ffmpeg/tools/graph2dot.c deleted file mode 100644 index 964322d..0000000 --- a/ffmpeg/tools/graph2dot.c +++ /dev/null @@ -1,193 +0,0 @@ -/* - * Copyright (c) 2008-2010 Stefano Sabatini - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "config.h" -#if HAVE_UNISTD_H -#include <unistd.h> /* getopt */ -#endif -#include <stdio.h> -#include <string.h> - -#include "libavutil/channel_layout.h" -#include "libavutil/mem.h" -#include "libavutil/pixdesc.h" -#include "libavfilter/avfilter.h" - -#if !HAVE_GETOPT -#include "compat/getopt.c" -#endif - -static void usage(void) -{ - printf("Convert a libavfilter graph to a dot file.\n"); - printf("Usage: graph2dot [OPTIONS]\n"); - printf("\n" - "Options:\n" - "-i INFILE set INFILE as input file, stdin if omitted\n" - "-o OUTFILE set OUTFILE as output file, stdout if omitted\n" - "-h print this help\n"); -} - -struct line { - char data[256]; - struct line *next; -}; - -static void print_digraph(FILE *outfile, AVFilterGraph *graph) -{ - int i, j; - - fprintf(outfile, "digraph G {\n"); - fprintf(outfile, "node [shape=box]\n"); - fprintf(outfile, "rankdir=LR\n"); - - for (i = 0; i < graph->nb_filters; i++) { - char filter_ctx_label[128]; - const AVFilterContext *filter_ctx = graph->filters[i]; - - snprintf(filter_ctx_label, sizeof(filter_ctx_label), "%s\\n(%s)", - filter_ctx->name, - filter_ctx->filter->name); - - for (j = 0; j < filter_ctx->nb_outputs; j++) { - AVFilterLink *link = filter_ctx->outputs[j]; - if (link) { - char dst_filter_ctx_label[128]; - const AVFilterContext *dst_filter_ctx = link->dst; - - snprintf(dst_filter_ctx_label, sizeof(dst_filter_ctx_label), - "%s\\n(%s)", - dst_filter_ctx->name, - dst_filter_ctx->filter->name); - - fprintf(outfile, "\"%s\" -> \"%s\" [ label= \"inpad:%s -> outpad:%s\\n", - filter_ctx_label, dst_filter_ctx_label, - link->srcpad->name, link->dstpad->name); - - if (link->type == AVMEDIA_TYPE_VIDEO) { - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format); - fprintf(outfile, - "fmt:%s w:%d h:%d tb:%d/%d", - desc->name, - link->w, link->h, - link->time_base.num, link->time_base.den); - } else if (link->type == AVMEDIA_TYPE_AUDIO) { - char buf[255]; - av_get_channel_layout_string(buf, sizeof(buf), -1, - link->channel_layout); - fprintf(outfile, - "fmt:%s sr:%d cl:%s tb:%d/%d", - av_get_sample_fmt_name(link->format), - link->sample_rate, buf, - link->time_base.num, link->time_base.den); - } - fprintf(outfile, "\" ];\n"); - } - } - } - fprintf(outfile, "}\n"); -} - -int main(int argc, char **argv) -{ - const char *outfilename = NULL; - const char *infilename = NULL; - FILE *outfile = NULL; - FILE *infile = NULL; - char *graph_string = NULL; - AVFilterGraph *graph = av_mallocz(sizeof(AVFilterGraph)); - char c; - - av_log_set_level(AV_LOG_DEBUG); - - while ((c = getopt(argc, argv, "hi:o:")) != -1) { - switch (c) { - case 'h': - usage(); - return 0; - case 'i': - infilename = optarg; - break; - case 'o': - outfilename = optarg; - break; - case '?': - return 1; - } - } - - if (!infilename || !strcmp(infilename, "-")) - infilename = "/dev/stdin"; - infile = fopen(infilename, "r"); - if (!infile) { - fprintf(stderr, "Failed to open input file '%s': %s\n", - infilename, strerror(errno)); - return 1; - } - - if (!outfilename || !strcmp(outfilename, "-")) - outfilename = "/dev/stdout"; - outfile = fopen(outfilename, "w"); - if (!outfile) { - fprintf(stderr, "Failed to open output file '%s': %s\n", - outfilename, strerror(errno)); - return 1; - } - - /* read from infile and put it in a buffer */ - { - unsigned int count = 0; - struct line *line, *last_line, *first_line; - char *p; - last_line = first_line = av_malloc(sizeof(struct line)); - - while (fgets(last_line->data, sizeof(last_line->data), infile)) { - struct line *new_line = av_malloc(sizeof(struct line)); - count += strlen(last_line->data); - last_line->next = new_line; - last_line = new_line; - } - last_line->next = NULL; - - graph_string = av_malloc(count + 1); - p = graph_string; - for (line = first_line; line->next; line = line->next) { - unsigned int l = strlen(line->data); - memcpy(p, line->data, l); - p += l; - } - *p = '\0'; - } - - avfilter_register_all(); - - if (avfilter_graph_parse(graph, graph_string, NULL, NULL, NULL) < 0) { - fprintf(stderr, "Failed to parse the graph description\n"); - return 1; - } - - if (avfilter_graph_config(graph, NULL) < 0) - return 1; - - print_digraph(outfile, graph); - fflush(outfile); - - return 0; -} |