diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2012-03-04 13:42:16 +0100 |
|---|---|---|
| committer | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2012-03-04 13:42:16 +0100 |
| commit | 4a9f466b997e0c44d1e304a7a9c5d5de0b0868c7 (patch) | |
| tree | e39fcdf41c2ec09f1158049e3827b30d8f55b39a /libswscale | |
| parent | 409a3bda07dcff8c5d2672f4d89e61fddbd6f40e (diff) | |
Fix alpha overflow when converting from RGBA64 to RGBA.
Fixes converting the sample from ticket #503 to 32bit RGB.
Diffstat (limited to 'libswscale')
| -rw-r--r-- | libswscale/output.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libswscale/output.c b/libswscale/output.c index cae2c31805..de41f778d2 100644 --- a/libswscale/output.c +++ b/libswscale/output.c @@ -1040,8 +1040,8 @@ yuv2rgb_1_c_template(SwsContext *c, const int16_t *buf0, *b = c->table_bU[U + YUVRGB_TABLE_HEADROOM]; if (hasAlpha) { - A1 = (abuf0[i * 2 ] + 64) >> 7; - A2 = (abuf0[i * 2 + 1] + 64) >> 7; + A1 = abuf0[i * 2 ] * 255 + 16384 >> 15; + A2 = abuf0[i * 2 + 1] * 255 + 16384 >> 15; } yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0, |