ff: fix case where image does not have alpha channel

[ffmpeg] / libavfilter / vf_cropdetect.c

diff --git a/libavfilter/vf_cropdetect.c b/libavfilter/vf_cropdetect.c
index 7f750078f2ac5a36c67b8cce77a84865352c6b6d..e40609d30de3272f90b1701fb3e2c69c1faef3c8 100644 (file)
--- a/libavfilter/vf_cropdetect.c
+++ b/libavfilter/vf_cropdetect.c
@@ -1,19 +1,19 @@
 /*
  * Copyright (c) 2002 A'rpi
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or modify
+ * FFmpeg is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License along
- * with Libav; if not, write to the Free Software Foundation, Inc.,
+ * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
@@ -107,7 +107,7 @@ static int config_input(AVFilterLink *inlink)
     CropDetectContext *cd = ctx->priv;
 
     av_image_fill_max_pixsteps(cd->max_pixsteps, NULL,
-                               &av_pix_fmt_descriptors[inlink->format]);
+                               av_pix_fmt_desc_get(inlink->format));
 
     cd->x1 = inlink->w - 1;
     cd->y1 = inlink->h - 1;
@@ -197,6 +197,26 @@ static int end_frame(AVFilterLink *inlink)
     return ff_end_frame(inlink->dst->outputs[0]);
 }
 
+static const AVFilterPad avfilter_vf_cropdetect_inputs[] = {
+    {
+        .name             = "default",
+        .type             = AVMEDIA_TYPE_VIDEO,
+        .config_props     = config_input,
+        .get_video_buffer = ff_null_get_video_buffer,
+        .start_frame      = ff_null_start_frame,
+        .end_frame        = end_frame,
+    },
+    { NULL }
+};
+
+static const AVFilterPad avfilter_vf_cropdetect_outputs[] = {
+    {
+        .name = "default",
+        .type = AVMEDIA_TYPE_VIDEO
+    },
+    { NULL }
+};
+
 AVFilter avfilter_vf_cropdetect = {
     .name        = "cropdetect",
     .description = NULL_IF_CONFIG_SMALL("Auto-detect crop size."),
@@ -206,15 +226,7 @@ AVFilter avfilter_vf_cropdetect = {
 
     .query_formats = query_formats,
 
-    .inputs    = (const AVFilterPad[]) {{ .name = "default",
-                                          .type             = AVMEDIA_TYPE_VIDEO,
-                                          .config_props     = config_input,
-                                          .get_video_buffer = ff_null_get_video_buffer,
-                                          .start_frame      = ff_null_start_frame,
-                                          .end_frame        = end_frame, },
-                                        { .name = NULL}},
-
-    .outputs   = (const AVFilterPad[]) {{ .name             = "default",
-                                          .type             = AVMEDIA_TYPE_VIDEO },
-                                        { .name = NULL}},
+    .inputs    = avfilter_vf_cropdetect_inputs,
+
+    .outputs   = avfilter_vf_cropdetect_outputs,
 };