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| author | Sebastian Dröge <sebastian.droege@collabora.co.uk> | 2009-12-10 10:40:10 +0100 |
|---|---|---|
| committer | Sebastian Dröge <sebastian.droege@collabora.co.uk> | 2009-12-10 10:41:23 +0100 |
| commit | 05e8934311f53a48abce5aee323423d9c97cbd95 (patch) | |
| tree | 3657d5460644074b34fe8bfb3f4c59c82bdc705d | |
| parent | 397da3535019669ebc28398f4a23153dc59a8c24 (diff) | |
shapewipe: Don't do pointer dereferences in the processing loop
Lowers the time taken there in my testcase from 6.91% to 6.20%
as measured by callgrind.
| -rw-r--r-- | gst/shapewipe/gstshapewipe.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/gst/shapewipe/gstshapewipe.c b/gst/shapewipe/gstshapewipe.c index 6b209d0d1..f45bde5ae 100644 --- a/gst/shapewipe/gstshapewipe.c +++ b/gst/shapewipe/gstshapewipe.c @@ -763,6 +763,7 @@ gst_shape_wipe_blend_ayuv_##depth (GstShapeWipe * self, GstBuffer * inbuf, \ gfloat position = self->mask_position; \ gfloat low = position - (self->mask_border / 2.0f); \ gfloat high = position + (self->mask_border / 2.0f); \ + gint width = self->width, height = self->height; \ \ if (low < 0.0f) { \ high = 0.0f; \ @@ -774,8 +775,8 @@ gst_shape_wipe_blend_ayuv_##depth (GstShapeWipe * self, GstBuffer * inbuf, \ high = 1.0f; \ } \ \ - for (i = 0; i < self->height; i++) { \ - for (j = 0; j < self->width; j++) { \ + for (i = 0; i < height; i++) { \ + for (j = 0; j < width; j++) { \ gfloat in = *mask / scale; \ \ if (in < low) { \ @@ -824,6 +825,7 @@ gst_shape_wipe_blend_##name##_##depth (GstShapeWipe * self, GstBuffer * inbuf, \ gfloat position = self->mask_position; \ gfloat low = position - (self->mask_border / 2.0f); \ gfloat high = position + (self->mask_border / 2.0f); \ + gint width = self->width, height = self->height; \ \ if (low < 0.0f) { \ high = 0.0f; \ @@ -835,8 +837,8 @@ gst_shape_wipe_blend_##name##_##depth (GstShapeWipe * self, GstBuffer * inbuf, \ high = 1.0f; \ } \ \ - for (i = 0; i < self->height; i++) { \ - for (j = 0; j < self->width; j++) { \ + for (i = 0; i < height; i++) { \ + for (j = 0; j < width; j++) { \ gfloat in = *mask / scale; \ \ if (in < low) { \ |