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v4l2: Do not renegotiate if only framerate changed

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/602>
This commit is contained in:
Xavier Claessens 2020-05-26 10:27:35 -04:00 committed by GStreamer Merge Bot
parent c194390ce9
commit c187684b78
1 changed files with 29 additions and 1 deletions
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30
sys/v4l2/gstv4l2videodec.c
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@ -220,6 +220,34 @@ gst_v4l2_video_dec_stop (GstVideoDecoder * decoder)
return TRUE;
}
static gboolean
compatible_caps (GstV4l2VideoDec * self, GstCaps * new_caps)
{
GstCaps *current_caps, *caps1, *caps2;
GstStructure *s;
gboolean ret;
current_caps = gst_v4l2_object_get_current_caps (self->v4l2output);
if (!current_caps)
return FALSE;
caps1 = gst_caps_copy (current_caps);
s = gst_caps_get_structure (caps1, 0);
gst_structure_remove_field (s, "framerate");
caps2 = gst_caps_copy (new_caps);
s = gst_caps_get_structure (caps2, 0);
gst_structure_remove_field (s, "framerate");
ret = gst_caps_is_equal (caps1, caps2);
gst_caps_unref (caps1);
gst_caps_unref (caps2);
gst_caps_unref (current_caps);
return ret;
}
static gboolean
gst_v4l2_video_dec_set_format (GstVideoDecoder * decoder,
GstVideoCodecState * state)
@ -231,7 +259,7 @@ gst_v4l2_video_dec_set_format (GstVideoDecoder * decoder,
GST_DEBUG_OBJECT (self, "Setting format: %" GST_PTR_FORMAT, state->caps);
if (self->input_state) {
if (gst_v4l2_object_caps_equal (self->v4l2output, state->caps)) {
if (compatible_caps (self, state->caps)) {
GST_DEBUG_OBJECT (self, "Compatible caps");
goto done;
}