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FS-7500: really fix image copy

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This commit is contained in:
Seven Du
2015-01-28 16:41:36 +08:00
committed by Anthony Minessale
parent c0ef59d55d
commit a7a92eb55b
1 changed files with 8 additions and 4 deletions
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src/switch_core_video.c
+8 -4
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@@ -91,12 +91,16 @@ SWITCH_DECLARE(void) switch_img_copy(switch_image_t *img, switch_image_t **new_i
if (*new_img == NULL) {
*new_img = switch_img_alloc(NULL, SWITCH_IMG_FMT_I420, img->d_w, img->d_h, 1);
}
switch_assert(*new_img);
for (i = 0; i < 3; i++) {
(*new_img)->stride[i] = img->stride[i];
(*new_img)->planes[i] = img->planes[i];
for (i = 0; i < (*new_img)->h; i++) {
memcpy((*new_img)->planes[SWITCH_PLANE_Y] + (*new_img)->stride[SWITCH_PLANE_Y] * i, img->planes[SWITCH_PLANE_Y] + img->stride[SWITCH_PLANE_Y] * i, img->d_w);
}
for (i = 0; i < (*new_img)->h / 2; i++) {
memcpy((*new_img)->planes[SWITCH_PLANE_U] + (*new_img)->stride[SWITCH_PLANE_U] * i, img->planes[SWITCH_PLANE_U] + img->stride[SWITCH_PLANE_U] * i, img->d_w);
memcpy((*new_img)->planes[SWITCH_PLANE_V] + (*new_img)->stride[SWITCH_PLANE_V] * i, img->planes[SWITCH_PLANE_V] + img->stride[SWITCH_PLANE_V] * i, img->d_w);
}
}