diff options
Diffstat (limited to 'gst/shapewipe')
| -rw-r--r-- | gst/shapewipe/gstshapewipe.c | 40 |
1 files changed, 30 insertions, 10 deletions
diff --git a/gst/shapewipe/gstshapewipe.c b/gst/shapewipe/gstshapewipe.c index 69155990..ec33f0a7 100644 --- a/gst/shapewipe/gstshapewipe.c +++ b/gst/shapewipe/gstshapewipe.c @@ -556,14 +556,24 @@ gst_shape_wipe_blend_16 (GstShapeWipe * self, GstBuffer * inbuf, guint i, j; guint mask_increment = GST_ROUND_UP_2 (self->width) - self->width; gfloat position = self->mask_position; - gfloat low = MAX (0.0, position - (self->mask_border / 2.0)); - gfloat high = MIN (1.0, position + (self->mask_border / 2.0)); + gfloat low = position - (self->mask_border / 2.0f); + gfloat high = position + (self->mask_border / 2.0f); + + if (low < 0.0f) { + high = 0.0f; + low = 0.0f; + } + + if (high > 1.0f) { + low = 1.0f; + high = 1.0f; + } for (i = 0; i < self->height; i++) { for (j = 0; j < self->width; j++) { - gfloat in = *mask / 65535.0; + gfloat in = *mask / 65535.0f; - if (in <= low) { + if (in < low) { output[0] = 0x00; /* A */ output[1] = 0x00; /* Y */ output[2] = 0x80; /* U */ @@ -574,7 +584,7 @@ gst_shape_wipe_blend_16 (GstShapeWipe * self, GstBuffer * inbuf, output[2] = input[2]; /* U */ output[3] = input[3]; /* V */ } else { - gfloat val = 255 * ((in - low) / (high - low)); + gfloat val = 255.0f * ((in - low) / (high - low)); output[0] = CLAMP (val, 0, 255); /* A */ output[1] = input[1]; /* Y */ @@ -602,14 +612,24 @@ gst_shape_wipe_blend_8 (GstShapeWipe * self, GstBuffer * inbuf, guint i, j; guint mask_increment = GST_ROUND_UP_4 (self->width) - self->width; gfloat position = self->mask_position; - gfloat low = MAX (0.0, position - (self->mask_border / 2.0)); - gfloat high = MIN (1.0, position + (self->mask_border / 2.0)); + gfloat low = position - (self->mask_border / 2.0f); + gfloat high = position + (self->mask_border / 2.0f); + + if (low < 0.0f) { + high = 0.0f; + low = 0.0f; + } + + if (high > 1.0f) { + low = 1.0f; + high = 1.0f; + } for (i = 0; i < self->height; i++) { for (j = 0; j < self->width; j++) { - gfloat in = *mask / 255.0; + gfloat in = *mask / 255.0f; - if (in <= low) { + if (in < low) { output[0] = 0x00; /* A */ output[1] = 0x00; /* Y */ output[2] = 0x80; /* U */ @@ -620,7 +640,7 @@ gst_shape_wipe_blend_8 (GstShapeWipe * self, GstBuffer * inbuf, output[2] = input[2]; /* U */ output[3] = input[3]; /* V */ } else { - gfloat val = 255 * ((in - low) / (high - low)); + gfloat val = 255.0f * ((in - low) / (high - low)); output[0] = CLAMP (val, 0, 255); /* A */ output[1] = input[1]; /* Y */ |