diff options
Diffstat (limited to 'sys/vdpau/gstvdp/gstvdpvideobufferpool.c')
-rw-r--r-- | sys/vdpau/gstvdp/gstvdpvideobufferpool.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/sys/vdpau/gstvdp/gstvdpvideobufferpool.c b/sys/vdpau/gstvdp/gstvdpvideobufferpool.c new file mode 100644 index 000000000..889367d98 --- /dev/null +++ b/sys/vdpau/gstvdp/gstvdpvideobufferpool.c | |||
@@ -0,0 +1,146 @@ | |||
1 | /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */ | ||
2 | /* | ||
3 | * gst-plugins-bad | ||
4 | * Copyright (C) Carl-Anton Ingmarsson 2010 <ca.ingmarsson@gmail.com> | ||
5 | * | ||
6 | * gst-plugins-bad is free software: you can redistribute it and/or modify it | ||
7 | * under the terms of the GNU General Public License as published by the | ||
8 | * Free Software Foundation, either version 3 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * gst-plugins-bad is distributed in the hope that it will be useful, but | ||
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | ||
14 | * See the GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License along | ||
17 | * with this program. If not, see <http://www.gnu.org/licenses/>. | ||
18 | */ | ||
19 | |||
20 | #include "gstvdpdevice.h" | ||
21 | #include "gstvdpvideobuffer.h" | ||
22 | |||
23 | #include "gstvdpvideobufferpool.h" | ||
24 | |||
25 | |||
26 | struct _GstVdpVideoBufferPool | ||
27 | { | ||
28 | GstVdpBufferPool buffer_pool; | ||
29 | |||
30 | VdpChromaType chroma_type; | ||
31 | guint width, height; | ||
32 | }; | ||
33 | |||
34 | G_DEFINE_TYPE (GstVdpVideoBufferPool, gst_vdp_video_buffer_pool, | ||
35 | GST_TYPE_VDP_BUFFER_POOL); | ||
36 | |||
37 | GstVdpBufferPool * | ||
38 | gst_vdp_video_buffer_pool_new (GstVdpDevice * device) | ||
39 | { | ||
40 | g_return_val_if_fail (GST_IS_VDP_DEVICE (device), NULL); | ||
41 | |||
42 | return g_object_new (GST_TYPE_VDP_VIDEO_BUFFER_POOL, "device", device, NULL); | ||
43 | } | ||
44 | |||
45 | static gboolean | ||
46 | parse_caps (const GstCaps * caps, VdpChromaType * chroma_type, gint * width, | ||
47 | gint * height) | ||
48 | { | ||
49 | GstStructure *structure; | ||
50 | |||
51 | structure = gst_caps_get_structure (caps, 0); | ||
52 | |||
53 | if (!gst_structure_get_int (structure, "chroma-type", (gint *) chroma_type)) | ||
54 | return FALSE; | ||
55 | if (!gst_structure_get_int (structure, "width", width)) | ||
56 | return FALSE; | ||
57 | if (!gst_structure_get_int (structure, "height", height)) | ||
58 | return FALSE; | ||
59 | |||
60 | return TRUE; | ||
61 | } | ||
62 | |||
63 | static gboolean | ||
64 | gst_vdp_video_buffer_pool_check_caps (GstVdpBufferPool * bpool, | ||
65 | const GstCaps * caps) | ||
66 | { | ||
67 | GstVdpVideoBufferPool *vpool = GST_VDP_VIDEO_BUFFER_POOL (bpool); | ||
68 | |||
69 | VdpChromaType chroma_type; | ||
70 | gint width, height; | ||
71 | |||
72 | if (!parse_caps (caps, &chroma_type, &width, &height)) | ||
73 | return FALSE; | ||
74 | |||
75 | if (chroma_type != vpool->chroma_type || width != vpool->width || | ||
76 | height != vpool->height) | ||
77 | return FALSE; | ||
78 | |||
79 | return TRUE; | ||
80 | } | ||
81 | |||
82 | static gboolean | ||
83 | gst_vdp_video_buffer_pool_set_caps (GstVdpBufferPool * bpool, | ||
84 | const GstCaps * caps, gboolean * clear_bufs) | ||
85 | { | ||
86 | GstVdpVideoBufferPool *vpool = GST_VDP_VIDEO_BUFFER_POOL (bpool); | ||
87 | |||
88 | VdpChromaType chroma_type; | ||
89 | gint width, height; | ||
90 | |||
91 | if (!parse_caps (caps, &chroma_type, &width, &height)) | ||
92 | return FALSE; | ||
93 | |||
94 | if (chroma_type != vpool->chroma_type || width != vpool->width || | ||
95 | height != vpool->height) | ||
96 | *clear_bufs = TRUE; | ||
97 | else | ||
98 | *clear_bufs = FALSE; | ||
99 | |||
100 | vpool->chroma_type = chroma_type; | ||
101 | vpool->width = width; | ||
102 | vpool->height = height; | ||
103 | |||
104 | return TRUE; | ||
105 | } | ||
106 | |||
107 | static GstVdpBuffer * | ||
108 | gst_vdp_video_buffer_pool_alloc_buffer (GstVdpBufferPool * bpool, | ||
109 | GError ** error) | ||
110 | { | ||
111 | GstVdpVideoBufferPool *vpool = GST_VDP_VIDEO_BUFFER_POOL (bpool); | ||
112 | GstVdpDevice *device; | ||
113 | |||
114 | device = gst_vdp_buffer_pool_get_device (bpool); | ||
115 | return GST_VDP_BUFFER_CAST (gst_vdp_video_buffer_new (device, | ||
116 | vpool->chroma_type, vpool->width, vpool->height, error)); | ||
117 | } | ||
118 | |||
119 | static void | ||
120 | gst_vdp_video_buffer_pool_finalize (GObject * object) | ||
121 | { | ||
122 | /* TODO: Add deinitalization code here */ | ||
123 | |||
124 | G_OBJECT_CLASS (gst_vdp_video_buffer_pool_parent_class)->finalize (object); | ||
125 | } | ||
126 | |||
127 | static void | ||
128 | gst_vdp_video_buffer_pool_init (GstVdpVideoBufferPool * vpool) | ||
129 | { | ||
130 | vpool->chroma_type = -1; | ||
131 | vpool->width = 0; | ||
132 | vpool->height = 0; | ||
133 | } | ||
134 | |||
135 | static void | ||
136 | gst_vdp_video_buffer_pool_class_init (GstVdpVideoBufferPoolClass * klass) | ||
137 | { | ||
138 | GObjectClass *object_class = G_OBJECT_CLASS (klass); | ||
139 | GstVdpBufferPoolClass *buffer_pool_class = GST_VDP_BUFFER_POOL_CLASS (klass); | ||
140 | |||
141 | buffer_pool_class->alloc_buffer = gst_vdp_video_buffer_pool_alloc_buffer; | ||
142 | buffer_pool_class->set_caps = gst_vdp_video_buffer_pool_set_caps; | ||
143 | buffer_pool_class->check_caps = gst_vdp_video_buffer_pool_check_caps; | ||
144 | |||
145 | object_class->finalize = gst_vdp_video_buffer_pool_finalize; | ||
146 | } | ||