diff options
Diffstat (limited to 'media/libstagefright/codecs/amrwbenc/src/pit_shrp.c')
| -rw-r--r-- | media/libstagefright/codecs/amrwbenc/src/pit_shrp.c | 98 |
1 files changed, 49 insertions, 49 deletions
diff --git a/media/libstagefright/codecs/amrwbenc/src/pit_shrp.c b/media/libstagefright/codecs/amrwbenc/src/pit_shrp.c index c8a227c..6f55b8f 100644 --- a/media/libstagefright/codecs/amrwbenc/src/pit_shrp.c +++ b/media/libstagefright/codecs/amrwbenc/src/pit_shrp.c @@ -1,49 +1,49 @@ -/*
- ** Copyright 2003-2010, VisualOn, Inc.
- **
- ** Licensed under the Apache License, Version 2.0 (the "License");
- ** you may not use this file except in compliance with the License.
- ** You may obtain a copy of the License at
- **
- ** http://www.apache.org/licenses/LICENSE-2.0
- **
- ** Unless required by applicable law or agreed to in writing, software
- ** distributed under the License is distributed on an "AS IS" BASIS,
- ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- ** See the License for the specific language governing permissions and
- ** limitations under the License.
- */
-
-/***********************************************************************
-* File: pit_shrp.c *
-* *
-* Description: Performs Pitch sharpening routine *
-* *
-************************************************************************/
-
-#include "typedef.h"
-#include "basic_op.h"
-
-void Pit_shrp(
- Word16 * x, /* in/out: impulse response (or algebraic code) */
- Word16 pit_lag, /* input : pitch lag */
- Word16 sharp, /* input : pitch sharpening factor (Q15) */
- Word16 L_subfr /* input : subframe size */
- )
-{
- Word32 i;
- Word32 L_tmp;
- Word16 *x_ptr = x + pit_lag;
-
- for (i = pit_lag; i < L_subfr; i++)
- {
- L_tmp = (*x_ptr << 15);
- L_tmp += *x++ * sharp;
- *x_ptr++ = ((L_tmp + 0x4000)>>15);
- }
-
- return;
-}
-
-
-
+/* + ** Copyright 2003-2010, VisualOn, Inc. + ** + ** Licensed under the Apache License, Version 2.0 (the "License"); + ** you may not use this file except in compliance with the License. + ** You may obtain a copy of the License at + ** + ** http://www.apache.org/licenses/LICENSE-2.0 + ** + ** Unless required by applicable law or agreed to in writing, software + ** distributed under the License is distributed on an "AS IS" BASIS, + ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + ** See the License for the specific language governing permissions and + ** limitations under the License. + */ + +/*********************************************************************** +* File: pit_shrp.c * +* * +* Description: Performs Pitch sharpening routine * +* * +************************************************************************/ + +#include "typedef.h" +#include "basic_op.h" + +void Pit_shrp( + Word16 * x, /* in/out: impulse response (or algebraic code) */ + Word16 pit_lag, /* input : pitch lag */ + Word16 sharp, /* input : pitch sharpening factor (Q15) */ + Word16 L_subfr /* input : subframe size */ + ) +{ + Word32 i; + Word32 L_tmp; + Word16 *x_ptr = x + pit_lag; + + for (i = pit_lag; i < L_subfr; i++) + { + L_tmp = (*x_ptr << 15); + L_tmp += *x++ * sharp; + *x_ptr++ = ((L_tmp + 0x4000)>>15); + } + + return; +} + + + |