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vaapipostproc: try to downgrade deinterlace-method when needed.

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If the currently selected deinterlacing method is not supported by the
underlying hardware, then try to downgrade the method to a supported one.
At the minimum, basic bob-deinterlacing shall always be supported.
This commit is contained in:
Gwenole Beauchesne 2013-11-16 07:02:24 +01:00
parent be7a2ed64c
commit cc055b72ce
1 changed files with 40 additions and 2 deletions
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42
gst/vaapi/gstvaapipostproc.c
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@ -371,6 +371,39 @@ append_output_buffer_metadata(GstBuffer *outbuf, GstBuffer *inbuf, guint flags)
0, -1);
}
static GstVaapiDeinterlaceMethod
get_next_deint_method(GstVaapiDeinterlaceMethod deint_method)
{
switch (deint_method) {
case GST_VAAPI_DEINTERLACE_METHOD_MOTION_COMPENSATED:
deint_method = GST_VAAPI_DEINTERLACE_METHOD_MOTION_ADAPTIVE;
break;
default:
/* Default to basic "bob" for all others */
deint_method = GST_VAAPI_DEINTERLACE_METHOD_BOB;
break;
}
return deint_method;
}
static gboolean
set_best_deint_method(GstVaapiPostproc *postproc, guint flags,
GstVaapiDeinterlaceMethod *deint_method_ptr)
{
GstVaapiDeinterlaceMethod deint_method = postproc->deinterlace_method;
gboolean success;
for (;;) {
success = gst_vaapi_filter_set_deinterlacing(postproc->filter,
deint_method, flags);
if (success || deint_method == GST_VAAPI_DEINTERLACE_METHOD_BOB)
break;
deint_method = get_next_deint_method(deint_method);
}
*deint_method_ptr = deint_method;
return success;
}
static GstFlowReturn
gst_vaapipostproc_process_vpp(GstBaseTransform *trans, GstBuffer *inbuf,
GstBuffer *outbuf)
@ -415,10 +448,15 @@ gst_vaapipostproc_process_vpp(GstBaseTransform *trans, GstBuffer *inbuf,
outbuf_surface = gst_vaapi_video_meta_get_surface(outbuf_meta);
if (deint) {
GstVaapiDeinterlaceMethod deint_method;
deint_flags = (tff ? GST_VAAPI_DEINTERLACE_FLAG_TFF : 0);
if (!gst_vaapi_filter_set_deinterlacing(postproc->filter,
postproc->deinterlace_method, deint_flags))
if (!set_best_deint_method(postproc, flags, &deint_method))
goto error_op_deinterlace;
if (deint_method != postproc->deinterlace_method) {
GST_DEBUG("unsupported deinterlace-method %u. Using %u instead",
postproc->deinterlace_method, deint_method);
postproc->deinterlace_method = deint_method;
}
}
status = gst_vaapi_filter_process(postproc->filter, inbuf_surface,