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
|
From 0d5b9694fc670d489d02018d1e2d83394f299ad5 Mon Sep 17 00:00:00 2001
From: Kazunori Kobayashi <kkobayas@igel.co.jp>
Date: Thu, 10 May 2012 11:20:18 +0900
Subject: [PATCH 07/31] videocrop: set rowstride capability
This patch sets the rowstride capability if downstream plugins
can handle it.
This patch is preliminary for the zero-copy cropping.
---
gst/videocrop/gstvideocrop.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/gst/videocrop/gstvideocrop.c b/gst/videocrop/gstvideocrop.c
index b0c3a68..ae7ddaf 100644
--- a/gst/videocrop/gstvideocrop.c
+++ b/gst/videocrop/gstvideocrop.c
@@ -585,22 +585,22 @@ gst_video_crop_transform_caps (GstBaseTransform * trans,
other_caps = gst_caps_new_empty ();
for (i = 0; i < gst_caps_get_size (caps); ++i) {
- const GValue *v;
+ const GValue *in_width, *in_height;
GstStructure *structure, *new_structure;
GValue w_val = { 0, }, h_val = {
0,};
structure = gst_caps_get_structure (caps, i);
- v = gst_structure_get_value (structure, "width");
- if (!gst_video_crop_transform_dimension_value (v, dx, &w_val)) {
+ in_width = gst_structure_get_value (structure, "width");
+ if (!gst_video_crop_transform_dimension_value (in_width, dx, &w_val)) {
GST_WARNING_OBJECT (vcrop, "could not tranform width value with dx=%d"
", caps structure=%" GST_PTR_FORMAT, dx, structure);
continue;
}
- v = gst_structure_get_value (structure, "height");
- if (!gst_video_crop_transform_dimension_value (v, dy, &h_val)) {
+ in_height = gst_structure_get_value (structure, "height");
+ if (!gst_video_crop_transform_dimension_value (in_height, dy, &h_val)) {
g_value_unset (&w_val);
GST_WARNING_OBJECT (vcrop, "could not tranform height value with dy=%d"
", caps structure=%" GST_PTR_FORMAT, dy, structure);
@@ -610,6 +610,10 @@ gst_video_crop_transform_caps (GstBaseTransform * trans,
new_structure = gst_structure_copy (structure);
gst_structure_set_value (new_structure, "width", &w_val);
gst_structure_set_value (new_structure, "height", &h_val);
+
+ /* set rowstride when creating output caps */
+ if (vcrop->stride_supported && (direction == GST_PAD_SINK))
+ gst_structure_set_value (new_structure, "rowstride", in_width);
g_value_unset (&w_val);
g_value_unset (&h_val);
GST_LOG_OBJECT (vcrop, "transformed structure %2d: %" GST_PTR_FORMAT
--
1.7.9.5
|
