gstreamer/sys/applemedia/corevideotexturecache.h
Alessandro Decina f577b52e5d applemedia: rework GL texture sharing
Use YUV instead of RGB textures, then convert using the new apple specific
shader in GstGLColorConvert. Also use GLMemory directly instead of using the
GL upload meta, avoiding an extra texture copy we used to have before.
2015-01-30 00:34:08 +11:00

52 lines
1.8 KiB
C

/*
* Copyright (C) 2015 Alessandro Decina <twi@centricular.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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_CORE_VIDEO_TEXTURE_CACHE_H__
#define __GST_CORE_VIDEO_TEXTURE_CACHE_H__
#include <gst/video/gstvideometa.h>
#include <gst/gl/gstglcontext.h>
#include "CoreVideo/CoreVideo.h"
G_BEGIN_DECLS
typedef struct _GstCoreVideoTextureCache
{
GstGLContext *ctx;
#if !HAVE_IOS
CVOpenGLTextureCacheRef cache;
#else
CVOpenGLESTextureCacheRef cache;
#endif
GstVideoInfo input_info;
GstVideoInfo output_info;
GstGLColorConvert *convert;
} GstCoreVideoTextureCache;
GstCoreVideoTextureCache *gst_core_video_texture_cache_new (GstGLContext * ctx);
void gst_core_video_texture_cache_free (GstCoreVideoTextureCache * cache);
void gst_core_video_texture_cache_set_format (GstCoreVideoTextureCache * cache,
const gchar * input_format, GstCaps * out_caps);
gboolean gst_core_video_texture_cache_upload (GstVideoGLTextureUploadMeta * meta, guint texture_id[4]);
GstBuffer * gst_core_video_texture_cache_get_gl_buffer (GstCoreVideoTextureCache * cache,
GstBuffer * cv_buffer);
G_END_DECLS
#endif /* __GST_CORE_VIDEO_TEXTURE_CACHE_H__ */