FS-7500: use abs value to compute width for img starting in negative space

diff --git a/src/switch_core_video.c b/src/switch_core_video.c
index 29b2752e4e26a6062b4b14cac29e0c9321eb859b..663f87870c4a4638b64a880886223eeb76a91410 100644 (file)
--- a/src/switch_core_video.c
+++ b/src/switch_core_video.c
@@ -130,8 +130,8 @@ SWITCH_DECLARE(void) switch_img_patch(switch_image_t *IMG, switch_image_t *img,
        switch_assert(IMG->fmt == SWITCH_IMG_FMT_I420);
 
        if (img->fmt == SWITCH_IMG_FMT_ARGB) {
-               int max_w = MIN(img->d_w, IMG->d_w - x);
-               int max_h = MIN(img->d_h, IMG->d_h - y);
+               int max_w = MIN(img->d_w, IMG->d_w - abs(x));
+               int max_h = MIN(img->d_h, IMG->d_h - abs(y));
                int j;
                uint8_t alpha;
                switch_rgb_color_t *rgb_color;