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author | reimar <reimar@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2010-05-31 21:24:00 +0000 |
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committer | reimar <reimar@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2010-05-31 21:24:00 +0000 |
commit | e629ec20bc9dc5538e2defb8eca94b2a85b8c2a1 (patch) | |
tree | 7f469ab53a6ab3fca0aed1a58cea8d16c5d778fc /libvo/vo_xv.c | |
parent | ad7448b623929adb1f42fc05922283612ed028b1 (diff) | |
download | mpv-e629ec20bc9dc5538e2defb8eca94b2a85b8c2a1.tar.bz2 mpv-e629ec20bc9dc5538e2defb8eca94b2a85b8c2a1.tar.xz |
Factor out some common code and ensure we will not try to draw OSD
elements outside the streams and thus crash.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@31297 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libvo/vo_xv.c')
-rw-r--r-- | libvo/vo_xv.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/libvo/vo_xv.c b/libvo/vo_xv.c index 6f1f7b6a36..f921c4dfe3 100644 --- a/libvo/vo_xv.c +++ b/libvo/vo_xv.c @@ -114,11 +114,20 @@ static void (*draw_alpha_fnc) (int x0, int y0, int w, int h, unsigned char *src, unsigned char *srca, int stride); +static void fixup_osd_position(int *x0, int *y0, int *w, int *h) +{ + *x0 += image_width * (vo_panscan_x >> 1) / (vo_dwidth + vo_panscan_x); + *w = av_clip(*w, 0, image_width); + *h = av_clip(*h, 0, image_height); + *x0 = FFMIN(*x0, image_width - *w); + *y0 = FFMIN(*y0, image_height - *h); +} + static void draw_alpha_yv12(int x0, int y0, int w, int h, unsigned char *src, unsigned char *srca, int stride) { - x0 += image_width * (vo_panscan_x >> 1) / (vo_dwidth + vo_panscan_x); + fixup_osd_position(&x0, &y0, &w, &h); vo_draw_alpha_yv12(w, h, src, srca, stride, xvimage[current_buf]->data + xvimage[current_buf]->offsets[0] + @@ -130,7 +139,7 @@ static void draw_alpha_yuy2(int x0, int y0, int w, int h, unsigned char *src, unsigned char *srca, int stride) { - x0 += image_width * (vo_panscan_x >> 1) / (vo_dwidth + vo_panscan_x); + fixup_osd_position(&x0, &y0, &w, &h); vo_draw_alpha_yuy2(w, h, src, srca, stride, xvimage[current_buf]->data + xvimage[current_buf]->offsets[0] + @@ -142,7 +151,7 @@ static void draw_alpha_uyvy(int x0, int y0, int w, int h, unsigned char *src, unsigned char *srca, int stride) { - x0 += image_width * (vo_panscan_x >> 1) / (vo_dwidth + vo_panscan_x); + fixup_osd_position(&x0, &y0, &w, &h); vo_draw_alpha_yuy2(w, h, src, srca, stride, xvimage[current_buf]->data + xvimage[current_buf]->offsets[0] + |