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[MOVED FROM BAD 17/29] shapewipe: Don't do pointer dereferences in the processing loop

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Lowers the time taken there in my testcase from 6.91% to 6.20%
as measured by callgrind.
This commit is contained in:
Sebastian Dröge 2009-12-10 10:40:10 +01:00
parent 41eed9dcca
commit 5f2e64e3a0
1 changed files with 6 additions and 4 deletions
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10
gst/shapewipe/gstshapewipe.c
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@ -763,6 +763,7 @@ gst_shape_wipe_blend_ayuv_##depth (GstShapeWipe * self, GstBuffer * inbuf, \
gfloat position = self->mask_position; \ gfloat position = self->mask_position; \
gfloat low = position - (self->mask_border / 2.0f); \ gfloat low = position - (self->mask_border / 2.0f); \
gfloat high = 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) { \ if (low < 0.0f) { \
high = 0.0f; \ high = 0.0f; \
@ -774,8 +775,8 @@ gst_shape_wipe_blend_ayuv_##depth (GstShapeWipe * self, GstBuffer * inbuf, \
high = 1.0f; \ high = 1.0f; \
} \ } \
\ \
for (i = 0; i < self->height; i++) { \ for (i = 0; i < height; i++) { \
for (j = 0; j < self->width; j++) { \ for (j = 0; j < width; j++) { \
gfloat in = *mask / scale; \ gfloat in = *mask / scale; \
\ \
if (in < low) { \ if (in < low) { \
@ -824,6 +825,7 @@ gst_shape_wipe_blend_##name##_##depth (GstShapeWipe * self, GstBuffer * inbuf, \
gfloat position = self->mask_position; \ gfloat position = self->mask_position; \
gfloat low = position - (self->mask_border / 2.0f); \ gfloat low = position - (self->mask_border / 2.0f); \
gfloat high = 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) { \ if (low < 0.0f) { \
high = 0.0f; \ high = 0.0f; \
@ -835,8 +837,8 @@ gst_shape_wipe_blend_##name##_##depth (GstShapeWipe * self, GstBuffer * inbuf, \
high = 1.0f; \ high = 1.0f; \
} \ } \
\ \
for (i = 0; i < self->height; i++) { \ for (i = 0; i < height; i++) { \
for (j = 0; j < self->width; j++) { \ for (j = 0; j < width; j++) { \
gfloat in = *mask / scale; \ gfloat in = *mask / scale; \
\ \
if (in < low) { \ if (in < low) { \