mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-28 04:31:06 +00:00
138 lines
3.8 KiB
C
138 lines
3.8 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"
|
|
|
|
static void
|
|
gst_vdp_video_remove_pixel_aspect_ratio (GstStructure * structure)
|
|
{
|
|
gint par_n, par_d;
|
|
|
|
if (gst_structure_get_fraction (structure, "pixel-aspect-ratio", &par_n,
|
|
&par_d)) {
|
|
gint width;
|
|
|
|
gst_structure_get_int (structure, "width", &width);
|
|
width = gst_util_uint64_scale_int (width, par_n, par_d);
|
|
gst_structure_set (structure, "width", G_TYPE_INT, width, NULL);
|
|
|
|
gst_structure_remove_field (structure, "pixel-aspect-ratio");
|
|
}
|
|
}
|
|
|
|
GstCaps *
|
|
gst_vdp_video_to_output_caps (GstCaps * video_caps)
|
|
{
|
|
GstCaps *output_caps;
|
|
gint i;
|
|
|
|
g_return_val_if_fail (GST_IS_CAPS (video_caps), NULL);
|
|
|
|
output_caps = gst_caps_copy (video_caps);
|
|
for (i = 0; i < gst_caps_get_size (video_caps); i++) {
|
|
|
|
GstStructure *structure, *rgb_structure;
|
|
|
|
structure = gst_caps_get_structure (output_caps, i);
|
|
if (!gst_structure_has_name (structure, "video/x-vdpau-video"))
|
|
goto not_video_error;
|
|
|
|
rgb_structure = gst_structure_copy (structure);
|
|
|
|
gst_structure_set_name (structure, "video/x-vdpau-output");
|
|
gst_structure_remove_field (structure, "chroma-type");
|
|
gst_vdp_video_remove_pixel_aspect_ratio (structure);
|
|
|
|
gst_structure_set_name (rgb_structure, "video/x-raw-rgb");
|
|
gst_structure_remove_field (rgb_structure, "chroma-type");
|
|
gst_vdp_video_remove_pixel_aspect_ratio (rgb_structure);
|
|
gst_caps_append_structure (output_caps, rgb_structure);
|
|
}
|
|
|
|
return output_caps;
|
|
|
|
error:
|
|
gst_caps_unref (output_caps);
|
|
return NULL;
|
|
|
|
not_video_error:
|
|
GST_WARNING ("The caps weren't of type \"video/x-vdpau-video\"");
|
|
goto error;
|
|
}
|
|
|
|
GstCaps *
|
|
gst_vdp_yuv_to_video_caps (GstCaps * yuv_caps)
|
|
{
|
|
GstCaps *video_caps;
|
|
gint i;
|
|
|
|
g_return_val_if_fail (GST_IS_CAPS (yuv_caps), NULL);
|
|
|
|
video_caps = gst_caps_copy (yuv_caps);
|
|
for (i = 0; i < gst_caps_get_size (video_caps); i++) {
|
|
GstStructure *structure;
|
|
guint32 fourcc;
|
|
VdpChromaType chroma_type;
|
|
|
|
structure = gst_caps_get_structure (video_caps, i);
|
|
if (!gst_structure_has_name (structure, "video/x-raw-yuv"))
|
|
goto not_yuv_error;
|
|
|
|
if (!gst_structure_get_fourcc (structure, "format", &fourcc))
|
|
goto no_format_error;
|
|
|
|
chroma_type = -1;
|
|
for (i = 0; i < G_N_ELEMENTS (formats); i++) {
|
|
if (formats[i].fourcc == fourcc) {
|
|
chroma_type = formats[i].chroma_type;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (chroma_type == -1)
|
|
goto no_chroma_error;
|
|
|
|
/* now we transform the caps */
|
|
gst_structure_set_name (structure, "video/x-vdpau-video");
|
|
gst_structure_remove_field (structure, "format");
|
|
gst_structure_set (structure, "chroma-type", G_TYPE_INT, chroma_type, NULL);
|
|
}
|
|
|
|
return video_caps;
|
|
|
|
error:
|
|
gst_caps_unref (video_caps);
|
|
return NULL;
|
|
|
|
not_yuv_error:
|
|
GST_WARNING ("The caps weren't of type \"video/x-raw-yuv\"");
|
|
goto error;
|
|
|
|
no_format_error:
|
|
GST_WARNING ("The caps didn't have a \"fourcc\" field");
|
|
goto error;
|
|
|
|
no_chroma_error:
|
|
GST_WARNING ("The caps had an invalid \"fourcc\" field");
|
|
goto error;
|
|
|
|
}
|