diff options
Diffstat (limited to 'src/blind-dissolve.c')
| -rw-r--r-- | src/blind-dissolve.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/src/blind-dissolve.c b/src/blind-dissolve.c index be92c2e..b78121e 100644 --- a/src/blind-dissolve.c +++ b/src/blind-dissolve.c @@ -10,10 +10,10 @@ static int reverse = 0; #define PROCESS(TYPE)\ do {\ - size_t i;\ + size_t i = stream->alpha_chan * stream->chan_size;\ TYPE a = fm ? (TYPE)(reverse ? f : fm - f) / fm_##TYPE : (TYPE)0.5;\ - for (i = 0; i < n; i += stream->pixel_size)\ - ((TYPE *)(stream->buf + i))[3] *= a;\ + for (; i < n; i += stream->pixel_size)\ + *(TYPE *)(stream->buf + i) *= a;\ } while (0) static void process_lf(struct stream *stream, size_t n, size_t f) {PROCESS(double);} @@ -38,10 +38,8 @@ main(int argc, char *argv[]) eopen_stream(&stream, NULL); - if (stream.encoding == DOUBLE) - process = process_lf; - else - process = process_f; + SELECT_PROCESS_FUNCTION(&stream); + CHECK_CHANS(&stream, != -1, == stream.luma_chan); if (!stream.frames) eprintf("video's length is not recorded"); |