ffmpeg source update for sep 09

source/patched-ffmpeg-mt/tools/lavfi-showfiltfmts.c

 /*
  * Copyright (c) 2009 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.
  *
@@ skipping 31 matching lines @@
         filter_args = argv[2];
 
     avfilter_register_all();
 
     /* get a corresponding filter and open it */
     if (!(filter = avfilter_get_by_name(filter_name))) {
         fprintf(stderr, "Unrecognized filter with name '%s'\n", filter_name);
         return 1;
     }
 
-    if (!(filter_ctx = avfilter_open(filter, NULL))) {
+    if (avfilter_open(&filter_ctx, filter, NULL) < 0) {
         fprintf(stderr, "Inpossible to open filter with name '%s'\n", filter_name);
         return 1;
     }
     if (avfilter_init_filter(filter_ctx, filter_args, NULL) < 0) {
         fprintf(stderr, "Impossible to init filter '%s' with arguments '%s'\n", filter_name, filter_args);
         return 1;
     }
 
     /* create a link for each of the input pads */
     for (i = 0; i < filter_ctx->input_count; i++) {
         AVFilterLink *link = av_mallocz(sizeof(AVFilterLink));
         link->type = filter_ctx->filter->inputs[i].type;
         filter_ctx->inputs[i] = link;
     }
     for (i = 0; i < filter_ctx->output_count; i++) {
         AVFilterLink *link = av_mallocz(sizeof(AVFilterLink));
-        link->type = filter_ctx->filter->inputs[i].type;
+        link->type = filter_ctx->filter->outputs[i].type;
         filter_ctx->outputs[i] = link;
     }
 
     if (filter->query_formats)
         filter->query_formats(filter_ctx);
     else
         avfilter_default_query_formats(filter_ctx);
 
     /* print the supported formats in input */
     for (i = 0; i < filter_ctx->input_count; i++) {
@@ skipping 10 matching lines @@
         for (j = 0; j < fmts->format_count; j++)
             printf("OUTPUT[%d] %s: %s\n",
                    i, filter_ctx->filter->outputs[i].name,
                    av_pix_fmt_descriptors[fmts->formats[j]].name);
     }
 
     avfilter_destroy(filter_ctx);
     fflush(stdout);
     return 0;
 }