diff options
| author | Carl Eugen Hoyos <ceffmpeg@gmail.com> | 2017-08-23 14:19:14 +0200 |
|---|---|---|
| committer | Carl Eugen Hoyos <ceffmpeg@gmail.com> | 2017-08-24 12:50:06 +0200 |
| commit | cb1a3eecac2d3395bf1e26289643082b4305f86a (patch) | |
| tree | ed5ea71a62f92a25cbddc4ef0a7c76ed333715c1 /libswscale/rgb2rgb.c | |
| parent | 351e28f9a799d9bbbb33dd10c964dca7219fa13b (diff) | |
| download | ffmpeg-cb1a3eecac2d3395bf1e26289643082b4305f86a.tar.gz | |
lsws/rgb2rgb: Add unscaled 48bit to 64bit rgb conversion.
Based on b4befca2 and 6b7849e6 by Paul B Mahol.
Fixes ticket #6608.
Diffstat (limited to 'libswscale/rgb2rgb.c')
| -rw-r--r-- | libswscale/rgb2rgb.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/libswscale/rgb2rgb.c b/libswscale/rgb2rgb.c index f7f8188af1..04b7908b5e 100644 --- a/libswscale/rgb2rgb.c +++ b/libswscale/rgb2rgb.c @@ -391,3 +391,41 @@ void rgb64to48_ ## need_bswap(const uint8_t *src, \ DEFINE_RGB64TO48(nobswap, 0) DEFINE_RGB64TO48(bswap, 1) + +#define DEFINE_RGB48TOBGR64(need_bswap, swap) \ +void rgb48tobgr64_ ## need_bswap(const uint8_t *src, \ + uint8_t *dst, int src_size) \ +{ \ + uint16_t *d = (uint16_t *)dst; \ + uint16_t *s = (uint16_t *)src; \ + int i, num_pixels = src_size / 6; \ + \ + for (i = 0; i < num_pixels; i++) { \ + d[4 * i ] = swap ? av_bswap16(s[3 * i + 2]) : s[3 * i + 2]; \ + d[4 * i + 1] = swap ? av_bswap16(s[3 * i + 1]) : s[3 * i + 1]; \ + d[4 * i + 2] = swap ? av_bswap16(s[3 * i ]) : s[3 * i ]; \ + d[4 * i + 3] = 0xFFFF; \ + } \ +} + +DEFINE_RGB48TOBGR64(nobswap, 0) +DEFINE_RGB48TOBGR64(bswap, 1) + +#define DEFINE_RGB48TO64(need_bswap, swap) \ +void rgb48to64_ ## need_bswap(const uint8_t *src, \ + uint8_t *dst, int src_size) \ +{ \ + uint16_t *d = (uint16_t *)dst; \ + uint16_t *s = (uint16_t *)src; \ + int i, num_pixels = src_size / 6; \ + \ + for (i = 0; i < num_pixels; i++) { \ + d[4 * i ] = swap ? av_bswap16(s[3 * i ]) : s[3 * i ]; \ + d[4 * i + 1] = swap ? av_bswap16(s[3 * i + 1]) : s[3 * i + 1]; \ + d[4 * i + 2] = swap ? av_bswap16(s[3 * i + 2]) : s[3 * i + 2]; \ + d[4 * i + 3] = 0xFFFF; \ + } \ +} + +DEFINE_RGB48TO64(nobswap, 0) +DEFINE_RGB48TO64(bswap, 1) |