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| author | Mattias Andrée <maandree@kth.se> | 2017-01-13 08:59:01 +0100 |
|---|---|---|
| committer | Mattias Andrée <maandree@kth.se> | 2017-01-13 08:59:01 +0100 |
| commit | 1519bc79a4bc7749b0e4808d78f3ee0c171db9e8 (patch) | |
| tree | e03d704079cc8c5a47763933b6a6cc0e0b8934dd /src/vu-from-video.c | |
| parent | vu-from-image: style fix + vu-from-video: fix loop (diff) | |
| download | blind-1519bc79a4bc7749b0e4808d78f3ee0c171db9e8.tar.gz blind-1519bc79a4bc7749b0e4808d78f3ee0c171db9e8.tar.bz2 blind-1519bc79a4bc7749b0e4808d78f3ee0c171db9e8.tar.xz | |
vu-from-video: fix Y'UV encoding + add vu-to-video
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'src/vu-from-video.c')
| -rw-r--r-- | src/vu-from-video.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/vu-from-video.c b/src/vu-from-video.c index 92503bb..c780b55 100644 --- a/src/vu-from-video.c +++ b/src/vu-from-video.c @@ -112,9 +112,9 @@ convert_segment(char *buf, size_t n, int fd, char *file) if (draft) { for (ptr = i = 0; ptr < n; ptr += 8) { pixels[i][3] = ntohs(((uint16_t *)(buf + ptr))[0]) / max; - y = ntohs(((uint16_t *)(buf + ptr))[1]); - u = ntohs(((uint16_t *)(buf + ptr))[2]); - v = ntohs(((uint16_t *)(buf + ptr))[3]); + y = (ntohs(((uint16_t *)(buf + ptr))[1]) - 16 * 256); + u = (ntohs(((uint16_t *)(buf + ptr))[2]) - 128 * 256); + v = (ntohs(((uint16_t *)(buf + ptr))[3]) - 128 * 256); scaled_yuv_to_ciexyz(y, u, v, pixels[i] + 0, pixels[i] + 1, pixels[i] + 2); if (++i == 1024) { i = 0; @@ -124,9 +124,9 @@ convert_segment(char *buf, size_t n, int fd, char *file) } else { for (ptr = i = 0; ptr < n; ptr += 8) { pixels[i][3] = ntohs(((uint16_t *)(buf + ptr))[0]) / max; - y = ntohs(((uint16_t *)(buf + ptr))[1]) / max; - u = ntohs(((uint16_t *)(buf + ptr))[2]) / max; - v = ntohs(((uint16_t *)(buf + ptr))[3]) / max; + y = (ntohs(((uint16_t *)(buf + ptr))[1]) - 16 * 256) / max; + u = (ntohs(((uint16_t *)(buf + ptr))[2]) - 128 * 256) / max; + v = (ntohs(((uint16_t *)(buf + ptr))[3]) - 128 * 256) / max; yuv_to_srgb(y, u, v, &r, &g, &b); r = srgb_decode(r); g = srgb_decode(g); |