From 696e34a6e15d9d9d655191a953779d06dc3b5897 Mon Sep 17 00:00:00 2001 From: Nedeljko Babic Date: Tue, 1 Apr 2014 16:31:08 +0200 Subject: libavcodec: Implementation of AC3 fixedpoint decoder Signed-off-by: Nedeljko Babic Signed-off-by: Michael Niedermayer --- libavcodec/kbdwin.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'libavcodec/kbdwin.c') diff --git a/libavcodec/kbdwin.c b/libavcodec/kbdwin.c index 5a62e9da2b..bf32aeb317 100644 --- a/libavcodec/kbdwin.c +++ b/libavcodec/kbdwin.c @@ -45,3 +45,13 @@ av_cold void ff_kbd_window_init(float *window, float alpha, int n) for (i = 0; i < n; i++) window[i] = sqrt(local_window[i] / sum); } + +av_cold void ff_kbd_window_init_fixed(int32_t *window, float alpha, int n) +{ + int i; + float local_window[FF_KBD_WINDOW_MAX]; + + ff_kbd_window_init(local_window, alpha, n); + for (i = 0; i < n; i++) + window[i] = (int)floor(2147483647.0 * local_window[i] + 0.5); +} -- cgit v1.2.3