gstreamer/gst/vaapi/gstvaapivideometa_texture.c
Gwenole Beauchesne 15519ebe3d legal: add per-file authorship information.
Credit original authors on a per-file basis as we cannot expect people
to know all country-specific rules, or bother browsing through the git
history.
2013-11-22 06:39:15 +01:00

95 lines
3.2 KiB
C

/*
* gstvaapivideometa_texture.c - GStreamer/VA video meta (GLTextureUpload)
*
* Copyright (C) 2010-2011 Splitted-Desktop Systems
* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
* Copyright (C) 2011-2013 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
* Copyright (C) 2013 Igalia
* Author: Víctor Manuel Jáquez Leal <vjaquez@igalia.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#include "gst/vaapi/sysdeps.h"
#include "gstvaapivideometa.h"
#include "gstvaapivideometa_texture.h"
#include "gstvaapipluginutil.h"
#if GST_CHECK_VERSION(1,1,0) && USE_GLX
static void
gst_vaapi_texure_upload_free(gpointer data)
{
GstVaapiTexture * const texture = data;
if (texture)
gst_vaapi_texture_unref(texture);
}
static gboolean
gst_vaapi_texture_upload(GstVideoGLTextureUploadMeta *meta, guint texture_id[4])
{
GstVaapiVideoMeta * const vmeta =
gst_buffer_get_vaapi_video_meta(meta->buffer);
GstVaapiTexture *texture = meta->user_data;
GstVaapiSurface * const surface = gst_vaapi_video_meta_get_surface(vmeta);
GstVaapiDisplay * const dpy =
gst_vaapi_object_get_display(GST_VAAPI_OBJECT(surface));
if (gst_vaapi_display_get_display_type(dpy) != GST_VAAPI_DISPLAY_TYPE_GLX)
return FALSE;
if (texture) {
GstVaapiDisplay * const tex_dpy =
gst_vaapi_object_get_display(GST_VAAPI_OBJECT(texture));
if (tex_dpy != dpy)
gst_vaapi_texture_replace(&texture, NULL);
}
if (!texture) {
/* FIXME: should we assume target? */
texture = gst_vaapi_texture_new_with_texture(dpy, texture_id[0],
GL_TEXTURE_2D, GL_RGBA);
meta->user_data = texture;
}
if (!gst_vaapi_apply_composition(surface, meta->buffer))
GST_WARNING("could not update subtitles");
return gst_vaapi_texture_put_surface(texture, surface,
gst_vaapi_video_meta_get_render_flags(vmeta));
}
#endif
#if GST_CHECK_VERSION(1,1,0)
gboolean
gst_buffer_add_texture_upload_meta(GstBuffer *buffer)
{
GstVideoGLTextureUploadMeta *meta = NULL;
GstVideoGLTextureType tex_type[] = { GST_VIDEO_GL_TEXTURE_TYPE_RGBA };
if (!buffer)
return FALSE;
#if USE_GLX
meta = gst_buffer_add_video_gl_texture_upload_meta(buffer,
GST_VIDEO_GL_TEXTURE_ORIENTATION_X_NORMAL_Y_NORMAL,
1, tex_type, gst_vaapi_texture_upload,
NULL, NULL, gst_vaapi_texure_upload_free);
#endif
return meta != NULL;
}
#endif