1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
/*
* Copyright (C) 2010 Ole André Vadla Ravnås <oleavr@soundrop.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.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#if !HAVE_IOS
#import <AppKit/AppKit.h>
#endif
#include "videotexturecache.h"
#include "coremediabuffer.h"
#include "corevideobuffer.h"
#include "vtutil.h"
G_DEFINE_ABSTRACT_TYPE (GstVideoTextureCache, gst_video_texture_cache, G_TYPE_OBJECT);
static void gst_video_texture_cache_default_set_format (GstVideoTextureCache * cache,
GstVideoFormat in_format, GstCaps * out_caps);
static void
gst_video_texture_cache_finalize (GObject * object)
{
GstVideoTextureCache *cache = GST_VIDEO_TEXTURE_CACHE (object);
if (cache->in_caps)
gst_caps_unref (cache->in_caps);
if (cache->out_caps)
gst_caps_unref (cache->out_caps);
G_OBJECT_CLASS (gst_video_texture_cache_parent_class)->finalize (object);
}
static void
gst_video_texture_cache_init (GstVideoTextureCache * cache)
{
gst_video_info_init (&cache->input_info);
}
static void
gst_video_texture_cache_class_init (GstVideoTextureCacheClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->finalize = gst_video_texture_cache_finalize;
klass->set_format = gst_video_texture_cache_default_set_format;
}
static void
gst_video_texture_cache_default_set_format (GstVideoTextureCache * cache,
GstVideoFormat in_format, GstCaps * out_caps)
{
GstCaps *in_caps;
GstCapsFeatures *features;
g_return_if_fail (gst_caps_is_fixed (out_caps));
out_caps = gst_caps_copy (out_caps);
features = gst_caps_get_features (out_caps, 0);
gst_video_info_from_caps (&cache->output_info, out_caps);
in_caps = gst_caps_copy (out_caps);
gst_caps_set_simple (in_caps, "format",
G_TYPE_STRING, gst_video_format_to_string (in_format), NULL);
features = gst_caps_get_features (in_caps, 0);
gst_video_info_from_caps (&cache->input_info, in_caps);
gst_caps_take (&cache->in_caps, in_caps);
gst_caps_take (&cache->out_caps, out_caps);
}
void
gst_video_texture_cache_set_format (GstVideoTextureCache * cache,
GstVideoFormat in_format, GstCaps * out_caps)
{
GstVideoTextureCacheClass *cache_class = GST_VIDEO_TEXTURE_CACHE_GET_CLASS (cache);
g_return_if_fail (cache_class->set_format);
cache_class->set_format (cache, in_format, out_caps);
}
GstMemory *
gst_video_texture_cache_create_memory (GstVideoTextureCache * cache,
GstAppleCoreVideoPixelBuffer *gpixbuf, guint plane, gsize size)
{
GstVideoTextureCacheClass *cache_class = GST_VIDEO_TEXTURE_CACHE_GET_CLASS (cache);
g_return_val_if_fail (cache_class->create_memory, NULL);
return cache_class->create_memory (cache, gpixbuf, plane, size);
}
|
