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@ -36,7 +36,7 @@ |
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static void usage(void) |
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{ |
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printf("Convert a libavfilter graph to a dot file\n"); |
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printf("Convert a libavfilter graph to a dot file.\n"); |
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printf("Usage: graph2dot [OPTIONS]\n"); |
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printf("\n" |
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"Options:\n" |
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@ -133,7 +133,7 @@ int main(int argc, char **argv) |
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infilename = "/dev/stdin"; |
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infile = fopen(infilename, "r"); |
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if (!infile) { |
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fprintf(stderr, "Impossible to open input file '%s': %s\n", |
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fprintf(stderr, "Failed to open input file '%s': %s\n", |
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infilename, strerror(errno)); |
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return 1; |
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} |
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@ -142,7 +142,7 @@ int main(int argc, char **argv) |
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outfilename = "/dev/stdout"; |
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outfile = fopen(outfilename, "w"); |
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if (!outfile) { |
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fprintf(stderr, "Impossible to open output file '%s': %s\n", |
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fprintf(stderr, "Failed to open output file '%s': %s\n", |
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outfilename, strerror(errno)); |
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return 1; |
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} |
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@ -175,7 +175,7 @@ int main(int argc, char **argv) |
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avfilter_register_all(); |
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if (avfilter_graph_parse(graph, graph_string, NULL, NULL, NULL) < 0) { |
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fprintf(stderr, "Impossible to parse the graph description\n"); |
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fprintf(stderr, "Failed to parse the graph description\n"); |
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return 1; |
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} |
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