lavfi: remove default config_props() callback and refactor avfilter_config_links()

Link properties have to be checked after config_props() is called to
make sure everything is sane, so the default config_props() for output
links was redundant.

Also remove channel_layout check as it is now negotiated.

Signed-off-by: Stefano Sabatini <stefano.sabatini-lala@poste.it>

1 files changed, 0 insertions, 23 deletions

diff --git a/libavfilter/defaults.c b/libavfilter/defaults.c
index eef9fd1278..aadecf2d02 100644
--- a/libavfilter/defaults.c
+++ b/libavfilter/defaults.c
@@ -174,29 +174,6 @@ void avfilter_default_filter_samples(AVFilterLink *inlink, AVFilterBufferRef *sa
     inlink->cur_buf = NULL;
 }
 
-/**
- * default config_link() implementation for output video links to simplify
- * the implementation of one input one output video filters */
-int avfilter_default_config_output_link(AVFilterLink *link)
-{
-    if (link->src->input_count && link->src->inputs[0]) {
-        if (link->type == AVMEDIA_TYPE_VIDEO) {
-            link->w = link->src->inputs[0]->w;
-            link->h = link->src->inputs[0]->h;
-            link->time_base = link->src->inputs[0]->time_base;
-        } else if (link->type == AVMEDIA_TYPE_AUDIO) {
-            link->channel_layout = link->src->inputs[0]->channel_layout;
-            link->sample_rate    = link->src->inputs[0]->sample_rate;
-        }
-    } else {
-        /* XXX: any non-simple filter which would cause this branch to be taken
-         * really should implement its own config_props() for this link. */
-        return -1;
-    }
-
-    return 0;
-}
-
 static void set_common_formats(AVFilterContext *ctx, AVFilterFormats *fmts,
                                enum AVMediaType type, int offin, int offout)
 {