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videoblend: use correct stride when scaling

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This commit is contained in:
Mark Nauwelaerts 2012-07-16 16:25:42 +02:00
parent 11a494d5c9
commit d03f926162
1 changed files with 4 additions and 3 deletions
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7
gst-libs/gst/video/video-blend.c
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@ -161,8 +161,8 @@ gst_video_blend_scale_linear_RGBA (GstVideoInfo * src, GstBuffer * src_buffer,
int j; int j;
int x; int x;
int dest_size; int dest_size;
guint dest_stride = dest_width * 4; guint dest_stride;
guint src_stride = src->width * 4; guint src_stride;
guint8 *dest_pixels; guint8 *dest_pixels;
guint8 *tmpbuf = g_malloc (dest_width * 8 * 4); guint8 *tmpbuf = g_malloc (dest_width * 8 * 4);
GstVideoFrame src_frame, dest_frame; GstVideoFrame src_frame, dest_frame;
@ -188,7 +188,8 @@ gst_video_blend_scale_linear_RGBA (GstVideoInfo * src, GstBuffer * src_buffer,
else else
x_increment = ((src->width - 1) << 16) / (dest_width - 1) - 1; x_increment = ((src->width - 1) << 16) / (dest_width - 1) - 1;
dest_size = dest_width * 4; dest_size = dest_stride = dest_width * 4;
src_stride = GST_VIDEO_FRAME_PLANE_STRIDE (&src_frame, 0);
#define LINE(x) ((tmpbuf) + (dest_size)*((x)&1)) #define LINE(x) ((tmpbuf) + (dest_size)*((x)&1))