add more build controls

[goodguy/history.git] / cinelerra-5.1 / libzmpeg3 / a52dec-0.7.3 / libao / float2s16.c

diff --git a/cinelerra-5.1/libzmpeg3/a52dec-0.7.3/libao/float2s16.c b/cinelerra-5.1/libzmpeg3/a52dec-0.7.3/libao/float2s16.c
deleted file mode 100644 (file)
index f814bcf..0000000
--- a/cinelerra-5.1/libzmpeg3/a52dec-0.7.3/libao/float2s16.c
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- * float2s16.c
- * Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org>
- * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
- *
- * This file is part of a52dec, a free ATSC A-52 stream decoder.
- * See http://liba52.sourceforge.net/ for updates.
- *
- * a52dec is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * a52dec is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#include "config.h"
-
-#include <inttypes.h>
-
-#include "a52.h"
-#include "audio_out.h"
-
-static inline int16_t convert (int32_t i)
-{
-    if (i > 0x43c07fff)
-       return 32767;
-    else if (i < 0x43bf8000)
-       return -32768;
-    else
-       return i - 0x43c00000;
-}
-
-void float2s16_2 (float * _f, int16_t * s16)
-{
-    int i;
-    int32_t * f = (int32_t *) _f;
-
-    for (i = 0; i < 256; i++) {
-       s16[2*i] = convert (f[i]);
-       s16[2*i+1] = convert (f[i+256]);
-    }
-}
-
-void float2s16_4 (float * _f, int16_t * s16)
-{
-    int i;
-    int32_t * f = (int32_t *) _f;
-
-    for (i = 0; i < 256; i++) {
-       s16[4*i] = convert (f[i]);
-       s16[4*i+1] = convert (f[i+256]);
-       s16[4*i+2] = convert (f[i+512]);
-       s16[4*i+3] = convert (f[i+768]);
-    }
-}
-
-void float2s16_5 (float * _f, int16_t * s16)
-{
-    int i;
-    int32_t * f = (int32_t *) _f;
-
-    for (i = 0; i < 256; i++) {
-       s16[5*i] = convert (f[i]);
-       s16[5*i+1] = convert (f[i+256]);
-       s16[5*i+2] = convert (f[i+512]);
-       s16[5*i+3] = convert (f[i+768]);
-       s16[5*i+4] = convert (f[i+1024]);
-    }
-}
-
-int channels_multi (int flags)
-{
-    if (flags & A52_LFE)
-       return 6;
-    else if (flags & 1)        /* center channel */
-       return 5;
-    else if ((flags & A52_CHANNEL_MASK) == A52_2F2R)
-       return 4;
-    else
-       return 2;
-}
-
-void float2s16_multi (float * _f, int16_t * s16, int flags)
-{
-    int i;
-    int32_t * f = (int32_t *) _f;
-
-    switch (flags) {
-    case A52_MONO:
-       for (i = 0; i < 256; i++) {
-           s16[5*i] = s16[5*i+1] = s16[5*i+2] = s16[5*i+3] = 0;
-           s16[5*i+4] = convert (f[i]);
-       }
-       break;
-    case A52_CHANNEL:
-    case A52_STEREO:
-    case A52_DOLBY:
-       float2s16_2 (_f, s16);
-       break;
-    case A52_3F:
-       for (i = 0; i < 256; i++) {
-           s16[5*i] = convert (f[i]);
-           s16[5*i+1] = convert (f[i+512]);
-           s16[5*i+2] = s16[5*i+3] = 0;
-           s16[5*i+4] = convert (f[i+256]);
-       }
-       break;
-    case A52_2F2R:
-       float2s16_4 (_f, s16);
-       break;
-    case A52_3F2R:
-       float2s16_5 (_f, s16);
-       break;
-    case A52_MONO | A52_LFE:
-       for (i = 0; i < 256; i++) {
-           s16[6*i] = s16[6*i+1] = s16[6*i+2] = s16[6*i+3] = 0;
-           s16[6*i+4] = convert (f[i+256]);
-           s16[6*i+5] = convert (f[i]);
-       }
-       break;
-    case A52_CHANNEL | A52_LFE:
-    case A52_STEREO | A52_LFE:
-    case A52_DOLBY | A52_LFE:
-       for (i = 0; i < 256; i++) {
-           s16[6*i] = convert (f[i+256]);
-           s16[6*i+1] = convert (f[i+512]);
-           s16[6*i+2] = s16[6*i+3] = s16[6*i+4] = 0;
-           s16[6*i+5] = convert (f[i]);
-       }
-       break;
-    case A52_3F | A52_LFE:
-       for (i = 0; i < 256; i++) {
-           s16[6*i] = convert (f[i+256]);
-           s16[6*i+1] = convert (f[i+768]);
-           s16[6*i+2] = s16[6*i+3] = 0;
-           s16[6*i+4] = convert (f[i+512]);
-           s16[6*i+5] = convert (f[i]);
-       }
-       break;
-    case A52_2F2R | A52_LFE:
-       for (i = 0; i < 256; i++) {
-           s16[6*i] = convert (f[i+256]);
-           s16[6*i+1] = convert (f[i+512]);
-           s16[6*i+2] = convert (f[i+768]);
-           s16[6*i+3] = convert (f[i+1024]);
-           s16[6*i+4] = 0;
-           s16[6*i+5] = convert (f[i]);
-       }
-       break;
-    case A52_3F2R | A52_LFE:
-       for (i = 0; i < 256; i++) {
-           s16[6*i] = convert (f[i+256]);
-           s16[6*i+1] = convert (f[i+768]);
-           s16[6*i+2] = convert (f[i+1024]);
-           s16[6*i+3] = convert (f[i+1280]);
-           s16[6*i+4] = convert (f[i+512]);
-           s16[6*i+5] = convert (f[i]);
-       }
-       break;
-    }
-}
-
-void s16_swap (int16_t * s16, int channels)
-{
-    int i;
-    uint16_t * u16 = (uint16_t *) s16;
-
-    for (i = 0; i < 256 * channels; i++)
-       u16[i] = (u16[i] >> 8) | (u16[i] << 8);
-}