diff options
Diffstat (limited to 'media/libstagefright/codecs/amrwbenc/src/updt_tar.c')
| -rw-r--r-- | media/libstagefright/codecs/amrwbenc/src/updt_tar.c | 98 |
1 files changed, 49 insertions, 49 deletions
diff --git a/media/libstagefright/codecs/amrwbenc/src/updt_tar.c b/media/libstagefright/codecs/amrwbenc/src/updt_tar.c index f3e5650..eda2b1c 100644 --- a/media/libstagefright/codecs/amrwbenc/src/updt_tar.c +++ b/media/libstagefright/codecs/amrwbenc/src/updt_tar.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: updt_tar.c *
-* *
-* Description: Update the target vector for codebook search *
-* *
-************************************************************************/
-
-#include "typedef.h"
-#include "basic_op.h"
-
-void Updt_tar(
- Word16 * x, /* (i) Q0 : old target (for pitch search) */
- Word16 * x2, /* (o) Q0 : new target (for codebook search) */
- Word16 * y, /* (i) Q0 : filtered adaptive codebook vector */
- Word16 gain, /* (i) Q14 : adaptive codebook gain */
- Word16 L /* (i) : subframe size */
- )
-{
- Word32 i;
- Word32 L_tmp;
-
- for (i = 0; i < L; i++)
- {
- L_tmp = x[i] << 15;
- L_tmp -= (y[i] * gain)<<1;
- x2[i] = extract_h(L_shl2(L_tmp, 1));
- }
-
- 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: updt_tar.c * +* * +* Description: Update the target vector for codebook search * +* * +************************************************************************/ + +#include "typedef.h" +#include "basic_op.h" + +void Updt_tar( + Word16 * x, /* (i) Q0 : old target (for pitch search) */ + Word16 * x2, /* (o) Q0 : new target (for codebook search) */ + Word16 * y, /* (i) Q0 : filtered adaptive codebook vector */ + Word16 gain, /* (i) Q14 : adaptive codebook gain */ + Word16 L /* (i) : subframe size */ + ) +{ + Word32 i; + Word32 L_tmp; + + for (i = 0; i < L; i++) + { + L_tmp = x[i] << 15; + L_tmp -= (y[i] * gain)<<1; + x2[i] = extract_h(L_shl2(L_tmp, 1)); + } + + return; +} + + + |