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glmemory: Fix handling of stride with alignement larger then 8

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Setting a scaled factor for X coordinate is not enough as the indexer
will still think stride is shorter and will not fully skip it. Instead,
update width, so the lines are as expected. Combined with the scale, it
will hide the cropped portion.

https://bugzilla.gnome.org/show_bug.cgi?id=729896
This commit is contained in:
Nicolas Dufresne 2014-05-12 19:29:45 -04:00 committed by Tim-Philipp Müller
parent 030fc8b7d0
commit 157607989a
1 changed files with 6 additions and 6 deletions
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12
gst-libs/gst/gl/gstglmemory.c
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@ -400,6 +400,7 @@ _calculate_unpack_length (GstGLMemory * gl_mem)
gl_mem->unpack_length = j;
gl_mem->tex_scaling[0] =
(gfloat) (gl_mem->width * n_gl_bytes) / (gfloat) gl_mem->stride;
gl_mem->width = gl_mem->stride / n_gl_bytes;
break;
}
j >>= 1;
@ -511,9 +512,12 @@ _gl_mem_new (GstAllocator * allocator, GstMemory * parent,
{
GstGLMemory *mem;
GenTexture data = { 0, };
mem = g_slice_new0 (GstGLMemory);
_gl_mem_init (mem, allocator, parent, context, tex_type, width, height,
stride, user_data, notify);
data.width = width;
data.height = height;
data.width = mem->width;
data.height = mem->height;
data.gl_format = _gst_gl_format_from_gl_texture_type (tex_type);
data.gl_type = GL_UNSIGNED_BYTE;
if (tex_type == GST_VIDEO_GL_TEXTURE_TYPE_RGB16)
@ -528,10 +532,6 @@ _gl_mem_new (GstAllocator * allocator, GstMemory * parent,
GST_CAT_TRACE (GST_CAT_GL_MEMORY, "created texture %u", data.result);
mem = g_slice_new0 (GstGLMemory);
_gl_mem_init (mem, allocator, parent, context, tex_type, width, height,
stride, user_data, notify);
mem->tex_id = data.result;
return mem;