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FS-10050: [core] chromakey

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Anthony Minessale committed 2017-03-03 19:01:48 -06:00
1 parent a73d2ca72f
commit 40687ccb6a
3 files changed
+20 -3
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src/switch_core_video.c
+17 -3
View File
@@ -286,7 +286,9 @@ SWITCH_DECLARE(void) switch_img_free(switch_image_t **img)
gdImageDestroy((gdImagePtr)(*img)->user_priv);
#endif
} else {
switch_safe_free((*img)->user_priv);
if ((int)(intptr_t)(*img)->user_priv != 1) {
switch_safe_free((*img)->user_priv);
}
}
vpx_img_free((vpx_image_t *)*img);
*img = NULL;
@@ -338,6 +340,16 @@ static void switch_img_patch_rgb_noalpha(switch_image_t *IMG, switch_image_t *im
}
}
SWITCH_DECLARE(void) switch_img_attenuate(switch_image_t *img)
{
if (img->fmt != SWITCH_IMG_FMT_ARGB) {
return;
}
ARGBAttenuate(img->planes[SWITCH_PLANE_PACKED], img->stride[SWITCH_PLANE_PACKED],
img->planes[SWITCH_PLANE_PACKED], img->stride[SWITCH_PLANE_PACKED], img->d_w, img->d_h);
}
SWITCH_DECLARE(void) switch_img_patch_rgb(switch_image_t *IMG, switch_image_t *img, int x, int y, switch_bool_t noalpha)
{
int i;
@@ -358,7 +370,10 @@ SWITCH_DECLARE(void) switch_img_patch_rgb(switch_image_t *IMG, switch_image_t *i
int height = MIN(img->d_h, IMG->d_h - abs(y));
void (*ARGBBlendRow)(const uint8* src_argb, const uint8* src_argb1, uint8* dst_argb, int width) = GetARGBBlend();
ARGBAttenuate(src_argb0, src_stride_argb0, src_argb0, src_stride_argb0, img->d_w, img->d_h);
if (!img->user_priv) {
img->user_priv = (void *)(intptr_t)1;
ARGBAttenuate(src_argb0, src_stride_argb0, src_argb0, src_stride_argb0, img->d_w, img->d_h);
}
// Coalesce rows. we have same size images, treat as a single row
if (src_stride_argb0 == width * 4 &&
@@ -384,7 +399,6 @@ SWITCH_DECLARE(void) switch_img_patch_rgb(switch_image_t *IMG, switch_image_t *i
src_argb1 += src_stride_argb1;
dst_argb += dst_stride_argb;
}
ARGBUnattenuate(img->planes[SWITCH_PLANE_PACKED], src_stride_argb0, img->planes[SWITCH_PLANE_PACKED], src_stride_argb0, img->d_w, img->d_h);
}
}