mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-20 19:10:18 +00:00
141 lines
4.1 KiB
C
141 lines
4.1 KiB
C
/*
|
|
* GStreamer
|
|
* Copyright (C) 2009 Carl-Anton Ingmarsson <ca.ingmarsson@gmail.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#include "gstvdpvideobuffer.h"
|
|
|
|
#include "gstvdputils.h"
|
|
|
|
GstCaps *
|
|
gst_vdp_video_to_yuv_caps (GstCaps * caps, GstVdpDevice * device)
|
|
{
|
|
GstCaps *new_caps, *allowed_caps, *result;
|
|
gint i;
|
|
GstStructure *structure;
|
|
|
|
new_caps = gst_caps_new_empty ();
|
|
|
|
for (i = 0; i < gst_caps_get_size (caps); i++) {
|
|
gint chroma_type;
|
|
GSList *fourcc = NULL, *iter;
|
|
|
|
structure = gst_caps_get_structure (caps, i);
|
|
|
|
if (gst_structure_get_int (structure, "chroma-type", &chroma_type)) {
|
|
/* calculate fourcc from chroma_type */
|
|
for (i = 0; i < G_N_ELEMENTS (formats); i++) {
|
|
if (formats[i].chroma_type == chroma_type) {
|
|
fourcc = g_slist_append (fourcc, GINT_TO_POINTER (formats[i].fourcc));
|
|
}
|
|
}
|
|
} else {
|
|
for (i = 0; i < G_N_ELEMENTS (formats); i++) {
|
|
fourcc = g_slist_append (fourcc, GINT_TO_POINTER (formats[i].fourcc));
|
|
}
|
|
}
|
|
|
|
for (iter = fourcc; iter; iter = iter->next) {
|
|
GstStructure *new_struct = gst_structure_copy (structure);
|
|
|
|
gst_structure_set_name (new_struct, "video/x-raw-yuv");
|
|
gst_structure_remove_field (new_struct, "chroma-type");
|
|
gst_structure_set (new_struct, "format", GST_TYPE_FOURCC,
|
|
GPOINTER_TO_INT (iter->data), NULL);
|
|
|
|
gst_caps_append_structure (new_caps, new_struct);
|
|
}
|
|
|
|
g_slist_free (fourcc);
|
|
}
|
|
structure = gst_caps_get_structure (caps, 0);
|
|
|
|
if (device) {
|
|
allowed_caps = gst_vdp_video_buffer_get_allowed_yuv_caps (device);
|
|
result = gst_caps_intersect (new_caps, allowed_caps);
|
|
|
|
gst_caps_unref (new_caps);
|
|
gst_caps_unref (allowed_caps);
|
|
} else
|
|
result = new_caps;
|
|
|
|
return result;
|
|
}
|
|
|
|
GstCaps *
|
|
gst_vdp_yuv_to_video_caps (GstCaps * caps, GstVdpDevice * device)
|
|
{
|
|
GstCaps *new_caps, *result;
|
|
gint i;
|
|
|
|
new_caps = gst_caps_copy (caps);
|
|
for (i = 0; i < gst_caps_get_size (new_caps); i++) {
|
|
GstStructure *structure = gst_caps_get_structure (new_caps, i);
|
|
guint32 fourcc;
|
|
|
|
if (gst_structure_get_fourcc (structure, "format", &fourcc)) {
|
|
gint chroma_type = -1;
|
|
|
|
/* calculate chroma type from fourcc */
|
|
for (i = 0; i < G_N_ELEMENTS (formats); i++) {
|
|
if (formats[i].fourcc == fourcc) {
|
|
chroma_type = formats[i].chroma_type;
|
|
break;
|
|
}
|
|
}
|
|
gst_structure_remove_field (structure, "format");
|
|
gst_structure_set (structure, "chroma-type", G_TYPE_INT, chroma_type,
|
|
NULL);
|
|
} else
|
|
gst_structure_set (structure, "chroma-type", GST_TYPE_INT_RANGE, 0, 2,
|
|
NULL);
|
|
|
|
gst_structure_set_name (structure, "video/x-vdpau-video");
|
|
}
|
|
|
|
if (device) {
|
|
GstCaps *allowed_caps;
|
|
|
|
allowed_caps = gst_vdp_video_buffer_get_allowed_video_caps (device);
|
|
result = gst_caps_intersect (new_caps, allowed_caps);
|
|
|
|
gst_caps_unref (new_caps);
|
|
gst_caps_unref (allowed_caps);
|
|
} else
|
|
result = new_caps;
|
|
|
|
return result;
|
|
}
|
|
|
|
GstCaps *
|
|
gst_vdp_video_to_output_caps (GstCaps * caps)
|
|
{
|
|
GstCaps *result;
|
|
gint i;
|
|
|
|
result = gst_caps_copy (caps);
|
|
for (i = 0; i < gst_caps_get_size (result); i++) {
|
|
GstStructure *structure = gst_caps_get_structure (result, i);
|
|
|
|
gst_structure_set_name (structure, "video/x-vdpau-output");
|
|
gst_structure_remove_field (structure, "chroma-type");
|
|
gst_structure_remove_field (structure, "interlaced");
|
|
}
|
|
|
|
return result;
|
|
}
|