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Diffstat (limited to 'libavcodec/mpegaudiodsp_template.c')
-rw-r--r--libavcodec/mpegaudiodsp_template.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/libavcodec/mpegaudiodsp_template.c b/libavcodec/mpegaudiodsp_template.c
index 621bbd4eba..62454ca306 100644
--- a/libavcodec/mpegaudiodsp_template.c
+++ b/libavcodec/mpegaudiodsp_template.c
@@ -1,20 +1,20 @@
/*
* Copyright (c) 2001, 2002 Fabrice Bellard
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -27,7 +27,7 @@
#include "mpegaudiodsp.h"
#include "mpegaudio.h"
-#if CONFIG_FLOAT
+#if USE_FLOATS
#define RENAME(n) n##_float
static inline float round_sample(float *sum)
@@ -125,7 +125,7 @@ void RENAME(ff_mpadsp_apply_window)(MPA_INT *synth_buf, MPA_INT *window,
register const MPA_INT *w, *w2, *p;
int j;
OUT_INT *samples2;
-#if CONFIG_FLOAT
+#if USE_FLOATS
float sum, sum2;
#else
int64_t sum, sum2;
@@ -200,7 +200,7 @@ av_cold void RENAME(ff_mpa_synth_init)(MPA_INT *window)
for(i=0;i<257;i++) {
INTFLOAT v;
v = ff_mpa_enwindow[i];
-#if CONFIG_FLOAT
+#if USE_FLOATS
v *= 1.0 / (1LL<<(16 + FRAC_BITS));
#endif
window[i] = v;
@@ -243,7 +243,7 @@ av_cold void RENAME(ff_init_mpadsp_tabs)(void)
else if (i < 18) d = 1;
}
//merge last stage of imdct into the window coefficients
- d *= 0.5 / cos(M_PI * (2 * i + 19) / 72);
+ d *= 0.5 * IMDCT_SCALAR / cos(M_PI * (2 * i + 19) / 72);
if (j == 2)
RENAME(ff_mdct_win)[j][i/3] = FIXHR((d / (1<<5)));
@@ -398,3 +398,4 @@ void RENAME(ff_imdct36_blocks)(INTFLOAT *out, INTFLOAT *buf, INTFLOAT *in,
out++;
}
}
+