static GstCaps *
gst_vaapiencode_get_caps (GstVideoEncoder * venc, GstCaps * filter)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE_CAST (venc);
GstCaps *result;
ensure_allowed_sinkpad_caps (encode);
result = gst_video_encoder_proxy_getcaps (venc, encode->allowed_sinkpad_caps,
filter);
GST_DEBUG_OBJECT (venc, "Negotiated sink caps %" GST_PTR_FORMAT, result);
return result;
}
static GstCaps *
gst_mfxpostproc_transform_caps_impl (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps)
{
GstMfxPostproc *const vpp = GST_MFXPOSTPROC (trans);
GstVideoInfo vi, peer_vi;
GstVideoFormat out_format;
GstCaps *out_caps, *peer_caps;
GstMfxCapsFeature feature;
const gchar *feature_str;
guint width, height;
/* Generate the sink pad caps, that could be fixated afterwards */
if (direction == GST_PAD_SRC) {
if (!ensure_allowed_sinkpad_caps (vpp))
return NULL;
return gst_caps_ref (vpp->allowed_sinkpad_caps);
}
/* Generate complete set of src pad caps if non-fixated sink pad
* caps are provided */
if (!gst_caps_is_fixed (caps)) {
if (!ensure_allowed_srcpad_caps (vpp))
return NULL;
return gst_caps_ref (vpp->allowed_srcpad_caps);
}
/* Generate the expected src pad caps, from the current fixated
* sink pad caps */
if (!gst_video_info_from_caps (&vi, caps))
return NULL;
if (vpp->deinterlace_mode)
GST_VIDEO_INFO_INTERLACE_MODE (&vi) = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
/* Update size from user-specified parameters */
find_best_size (vpp, &vi, &width, &height);
/* Update format from user-specified parameters */
peer_caps = gst_pad_peer_query_caps (GST_BASE_TRANSFORM_SRC_PAD (trans),
vpp->allowed_srcpad_caps);
if (gst_caps_is_any (peer_caps) || gst_caps_is_empty (peer_caps))
return peer_caps;
if (!gst_caps_is_fixed (peer_caps))
peer_caps = gst_caps_fixate (peer_caps);
gst_video_info_from_caps (&peer_vi, peer_caps);
out_format = GST_VIDEO_INFO_FPS_N (&peer_vi);
/* Update width and height from the caps */
if (GST_VIDEO_INFO_HEIGHT (&peer_vi) != 1 &&
GST_VIDEO_INFO_WIDTH (&peer_vi) != 1)
find_best_size(vpp, &peer_vi, &width, &height);
if (vpp->format != DEFAULT_FORMAT)
out_format = vpp->format;
if (vpp->fps_n) {
GST_VIDEO_INFO_FPS_N (&vi) = vpp->fps_n;
GST_VIDEO_INFO_FPS_D (&vi) = vpp->fps_d;
vpp->field_duration = gst_util_uint64_scale (GST_SECOND,
vpp->fps_d, vpp->fps_n);
if (DEFAULT_FRC_ALG == vpp->alg)
vpp->alg = GST_MFX_FRC_PRESERVE_TIMESTAMP;
}
if (peer_caps)
gst_caps_unref (peer_caps);
feature =
gst_mfx_find_preferred_caps_feature (GST_BASE_TRANSFORM_SRC_PAD (trans),
&out_format);
gst_video_info_change_format (&vi, out_format, width, height);
out_caps = gst_video_info_to_caps (&vi);
if (!out_caps)
return NULL;
if (feature) {
feature_str = gst_mfx_caps_feature_to_string (feature);
if (feature_str)
gst_caps_set_features (out_caps, 0,
gst_caps_features_new (feature_str, NULL));
}
if (vpp->format != out_format)
vpp->format = out_format;
return out_caps;
}
