void
gst_vaapi_decoder_set_multiview_mode (GstVaapiDecoder * decoder,
gint views, GstVideoMultiviewMode mv_mode, GstVideoMultiviewFlags mv_flags)
{
GstVideoCodecState *const codec_state = decoder->codec_state;
GstVideoInfo *info = &codec_state->info;
if (GST_VIDEO_INFO_VIEWS (info) != views ||
GST_VIDEO_INFO_MULTIVIEW_MODE (info) != mv_mode ||
GST_VIDEO_INFO_MULTIVIEW_FLAGS (info) != mv_flags) {
const gchar *mv_mode_str =
gst_video_multiview_mode_to_caps_string (mv_mode);
GST_DEBUG ("Multiview mode changed to %s flags 0x%x views %d",
mv_mode_str, mv_flags, views);
GST_VIDEO_INFO_MULTIVIEW_MODE (info) = mv_mode;
GST_VIDEO_INFO_MULTIVIEW_FLAGS (info) = mv_flags;
GST_VIDEO_INFO_VIEWS (info) = views;
gst_caps_set_simple (codec_state->caps, "multiview-mode",
G_TYPE_STRING, mv_mode_str,
"multiview-flags", GST_TYPE_VIDEO_MULTIVIEW_FLAGSET, mv_flags,
GST_FLAG_SET_MASK_EXACT, "views", G_TYPE_INT, views, NULL);
notify_codec_state_changed (decoder);
}
}
static GstCaps *
stereosplit_get_src_caps (GstGLStereoSplit * split,
GstPad * pad, GstVideoMultiviewMode preferred_mode)
{
GstCaps *outcaps, *tmp, *templ_caps;
GValue item = G_VALUE_INIT, list = G_VALUE_INIT;
/* Get the template format */
templ_caps = gst_pad_get_pad_template_caps (pad);
/* And limit down to the preferred mode or mono */
templ_caps = gst_caps_make_writable (templ_caps);
g_value_init (&item, G_TYPE_STRING);
g_value_init (&list, GST_TYPE_LIST);
g_value_set_static_string (&item,
gst_video_multiview_mode_to_caps_string (preferred_mode));
gst_value_list_append_value (&list, &item);
g_value_set_static_string (&item,
gst_video_multiview_mode_to_caps_string (GST_VIDEO_MULTIVIEW_MODE_MONO));
gst_value_list_append_value (&list, &item);
gst_caps_set_value (templ_caps, "multiview-mode", &list);
g_value_unset (&list);
g_value_unset (&item);
/* And intersect with the peer */
if ((tmp = gst_pad_peer_query_caps (pad, NULL)) == NULL) {
gst_caps_unref (templ_caps);
return NULL;
}
outcaps = gst_caps_intersect_full (tmp, templ_caps, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (tmp);
gst_caps_unref (templ_caps);
GST_DEBUG_OBJECT (split, "Src pad %" GST_PTR_FORMAT " caps %" GST_PTR_FORMAT,
pad, outcaps);
return outcaps;
}
/**
* gst_video_info_to_caps:
* @info: a #GstVideoInfo
*
* Convert the values of @info into a #GstCaps.
*
* Returns: a new #GstCaps containing the info of @info.
*/
GstCaps *
gst_video_info_to_caps (GstVideoInfo * info)
{
GstCaps *caps;
const gchar *format;
gchar *color;
gint par_n, par_d;
GstVideoColorimetry colorimetry;
g_return_val_if_fail (info != NULL, NULL);
g_return_val_if_fail (info->finfo != NULL, NULL);
g_return_val_if_fail (info->finfo->format != GST_VIDEO_FORMAT_UNKNOWN, NULL);
format = gst_video_format_to_string (info->finfo->format);
g_return_val_if_fail (format != NULL, NULL);
caps = gst_caps_new_simple ("video/x-raw",
"format", G_TYPE_STRING, format,
"width", G_TYPE_INT, info->width,
"height", G_TYPE_INT, info->height, NULL);
par_n = info->par_n;
par_d = info->par_d;
gst_caps_set_simple (caps, "interlace-mode", G_TYPE_STRING,
gst_video_interlace_mode_to_string (info->interlace_mode), NULL);
if (GST_VIDEO_INFO_MULTIVIEW_MODE (info) != GST_VIDEO_MULTIVIEW_MODE_NONE) {
const gchar *caps_str = NULL;
/* If the half-aspect flag is set, applying it into the PAR of the
* resulting caps now seems safe, and helps with automatic behaviour
* in elements that aren't explicitly multiview aware */
if (GST_VIDEO_INFO_MULTIVIEW_FLAGS (info) &
GST_VIDEO_MULTIVIEW_FLAGS_HALF_ASPECT) {
GST_VIDEO_INFO_MULTIVIEW_FLAGS (info) &=
~GST_VIDEO_MULTIVIEW_FLAGS_HALF_ASPECT;
switch (GST_VIDEO_INFO_MULTIVIEW_MODE (info)) {
case GST_VIDEO_MULTIVIEW_MODE_SIDE_BY_SIDE:
case GST_VIDEO_MULTIVIEW_MODE_SIDE_BY_SIDE_QUINCUNX:
case GST_VIDEO_MULTIVIEW_MODE_COLUMN_INTERLEAVED:
case GST_VIDEO_MULTIVIEW_MODE_CHECKERBOARD:
par_n *= 2; /* double the width / half the height */
break;
case GST_VIDEO_MULTIVIEW_MODE_ROW_INTERLEAVED:
case GST_VIDEO_MULTIVIEW_MODE_TOP_BOTTOM:
par_d *= 2; /* half the width / double the height */
break;
default:
break;
}
}
caps_str =
gst_video_multiview_mode_to_caps_string (GST_VIDEO_INFO_MULTIVIEW_MODE
(info));
if (caps_str != NULL) {
gst_caps_set_simple (caps, "multiview-mode", G_TYPE_STRING,
caps_str, "multiview-flags", GST_TYPE_VIDEO_MULTIVIEW_FLAGSET,
GST_VIDEO_INFO_MULTIVIEW_FLAGS (info), GST_FLAG_SET_MASK_EXACT, NULL);
}
}
gst_caps_set_simple (caps, "pixel-aspect-ratio",
GST_TYPE_FRACTION, par_n, par_d, NULL);
if (info->chroma_site != GST_VIDEO_CHROMA_SITE_UNKNOWN)
gst_caps_set_simple (caps, "chroma-site", G_TYPE_STRING,
gst_video_chroma_to_string (info->chroma_site), NULL);
/* make sure we set the RGB matrix for RGB formats */
colorimetry = info->colorimetry;
if (GST_VIDEO_FORMAT_INFO_IS_RGB (info->finfo) &&
colorimetry.matrix != GST_VIDEO_COLOR_MATRIX_RGB) {
GST_WARNING ("invalid matrix %d for RGB format, using RGB",
colorimetry.matrix);
colorimetry.matrix = GST_VIDEO_COLOR_MATRIX_RGB;
}
if ((color = gst_video_colorimetry_to_string (&colorimetry))) {
gst_caps_set_simple (caps, "colorimetry", G_TYPE_STRING, color, NULL);
g_free (color);
}
if (info->views > 1)
gst_caps_set_simple (caps, "views", G_TYPE_INT, info->views, NULL);
if (info->flags & GST_VIDEO_FLAG_VARIABLE_FPS && info->fps_n != 0) {
/* variable fps with a max-framerate */
gst_caps_set_simple (caps, "framerate", GST_TYPE_FRACTION, 0, 1,
"max-framerate", GST_TYPE_FRACTION, info->fps_n, info->fps_d, NULL);
} else {
/* no variable fps or no max-framerate */
gst_caps_set_simple (caps, "framerate", GST_TYPE_FRACTION,
info->fps_n, info->fps_d, NULL);
}
return caps;
}
