v4l2: videodec: Remove the spurious srccaps probe

We don't need to probe the srccaps in set_format() anymore, this
handled already in the capture thread while setting up the capture
queue.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4525>

diff --git a/subprojects/gst-plugins-good/sys/v4l2/gstv4l2videodec.c b/subprojects/gst-plugins-good/sys/v4l2/gstv4l2videodec.c
index 2881ee7..a357506 100644 (file)
--- a/subprojects/gst-plugins-good/sys/v4l2/gstv4l2videodec.c
+++ b/subprojects/gst-plugins-good/sys/v4l2/gstv4l2videodec.c
@@ -304,14 +304,6 @@ gst_v4l2_video_dec_set_format (GstVideoDecoder * decoder,
   }
 
   ret = gst_v4l2_object_set_format (self->v4l2output, state->caps, &error);
-
-  gst_caps_replace (&self->probed_srccaps, NULL);
-  self->probed_srccaps = gst_v4l2_object_probe_caps (self->v4l2capture,
-      gst_v4l2_object_get_raw_caps ());
-
-  if (gst_caps_is_empty (self->probed_srccaps))
-    goto no_raw_format;
-
   if (ret)
     self->input_state = gst_video_codec_state_ref (state);
   else
@@ -319,12 +311,6 @@ gst_v4l2_video_dec_set_format (GstVideoDecoder * decoder,
 
 done:
   return ret;
-
-no_raw_format:
-  GST_ELEMENT_ERROR (self, RESOURCE, SETTINGS,
-      (_("Decoder on device %s has no supported output format"),
-          self->v4l2output->videodev), (NULL));
-  return GST_FLOW_ERROR;
 }
 
 static gboolean