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139 lines
4.1 KiB
C
139 lines
4.1 KiB
C
/*
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* gstvaapivideometa_texture.c - GStreamer/VA video meta (GLTextureUpload)
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*
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* Copyright (C) 2010-2011 Splitted-Desktop Systems
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* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
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* Copyright (C) 2011-2014 Intel Corporation
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* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
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* Copyright (C) 2013 Igalia
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* Author: Víctor Manuel Jáquez Leal <vjaquez@igalia.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#include "gst/vaapi/sysdeps.h"
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#include "gstvaapivideometa.h"
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#include "gstvaapivideometa_texture.h"
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#include "gstvaapipluginutil.h"
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#if GST_CHECK_VERSION(1,1,0) && USE_GLX
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struct _GstVaapiVideoMetaTexture
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{
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GstVaapiTexture *texture;
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};
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static void
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meta_texture_free (GstVaapiVideoMetaTexture * meta)
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{
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if (G_UNLIKELY (!meta))
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return;
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gst_vaapi_texture_replace (&meta->texture, NULL);
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g_slice_free (GstVaapiVideoMetaTexture, meta);
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}
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static GstVaapiVideoMetaTexture *
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meta_texture_new (void)
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{
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GstVaapiVideoMetaTexture *meta;
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meta = g_slice_new (GstVaapiVideoMetaTexture);
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if (!meta)
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return NULL;
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meta->texture = NULL;
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return meta;
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}
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static GstVaapiVideoMetaTexture *
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meta_texture_copy (GstVaapiVideoMetaTexture * meta)
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{
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GstVaapiVideoMetaTexture *copy;
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copy = meta_texture_new ();
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if (!copy)
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return NULL;
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gst_vaapi_texture_replace (©->texture, meta->texture);
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return copy;
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}
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static gboolean
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gst_vaapi_texture_upload (GstVideoGLTextureUploadMeta * meta,
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guint texture_id[4])
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{
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GstVaapiVideoMeta *const vmeta =
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gst_buffer_get_vaapi_video_meta (meta->buffer);
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GstVaapiVideoMetaTexture *const meta_texture = meta->user_data;
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GstVaapiSurface *const surface = gst_vaapi_video_meta_get_surface (vmeta);
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GstVaapiDisplay *const dpy = GST_VAAPI_OBJECT_DISPLAY (surface);
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if (gst_vaapi_display_get_display_type (dpy) != GST_VAAPI_DISPLAY_TYPE_GLX)
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return FALSE;
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if (!meta_texture->texture ||
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/* Check whether VA display changed */
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GST_VAAPI_OBJECT_DISPLAY (meta_texture->texture) != dpy ||
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/* Check whether texture id changed */
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gst_vaapi_texture_get_id (meta_texture->texture) != texture_id[0]) {
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/* FIXME: should we assume target? */
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GstVaapiTexture *const texture =
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gst_vaapi_texture_new_with_texture (dpy, texture_id[0],
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GL_TEXTURE_2D, GL_RGBA);
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gst_vaapi_texture_replace (&meta_texture->texture, texture);
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if (!texture)
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return FALSE;
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gst_vaapi_texture_unref (texture);
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}
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return gst_vaapi_texture_put_surface (meta_texture->texture, surface,
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gst_vaapi_video_meta_get_render_flags (vmeta));
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}
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gboolean
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gst_buffer_add_texture_upload_meta (GstBuffer * buffer)
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{
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GstVideoGLTextureUploadMeta *meta = NULL;
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GstVideoGLTextureType tex_type[] = { GST_VIDEO_GL_TEXTURE_TYPE_RGBA };
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GstVaapiVideoMetaTexture *meta_texture;
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if (!buffer)
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return FALSE;
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meta_texture = meta_texture_new ();
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if (!meta_texture)
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return FALSE;
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meta = gst_buffer_add_video_gl_texture_upload_meta (buffer,
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GST_VIDEO_GL_TEXTURE_ORIENTATION_X_NORMAL_Y_NORMAL,
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1, tex_type, gst_vaapi_texture_upload,
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meta_texture, (GBoxedCopyFunc) meta_texture_copy,
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(GBoxedFreeFunc) meta_texture_free);
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if (!meta)
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goto error;
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return TRUE;
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error:
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meta_texture_free (meta_texture);
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return FALSE;
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}
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gboolean
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gst_buffer_ensure_texture_upload_meta (GstBuffer * buffer)
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{
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return gst_buffer_get_video_gl_texture_upload_meta (buffer) ||
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gst_buffer_add_texture_upload_meta (buffer);
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}
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#endif
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