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-rw-r--r--media/libstagefright/codecs/amrwbenc/src/qisf_ns.c222
1 files changed, 111 insertions, 111 deletions
diff --git a/media/libstagefright/codecs/amrwbenc/src/qisf_ns.c b/media/libstagefright/codecs/amrwbenc/src/qisf_ns.c
index 00b0a53..f6d53de 100644
--- a/media/libstagefright/codecs/amrwbenc/src/qisf_ns.c
+++ b/media/libstagefright/codecs/amrwbenc/src/qisf_ns.c
@@ -1,111 +1,111 @@
-/*
- ** 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: qisf_ns.c *
-* *
-* Description: Coding/Decoding of ISF parameters for background noise.*
-* The ISF vector is quantized using VQ with split-by-5 *
-* *
-****************************************************************************/
-
-#include "typedef.h"
-#include "basic_op.h"
-#include "acelp.h"
-#include "qisf_ns.tab" /* Codebooks of ISFs */
-
-/*------------------------------------------------------------------*
-* routine: Qisf_ns() *
-* ~~~~~~~~~ *
-*------------------------------------------------------------------*/
-
-void Qisf_ns(
- Word16 * isf1, /* input : ISF in the frequency domain (0..0.5) */
- Word16 * isf_q, /* output: quantized ISF */
- Word16 * indice /* output: quantization indices */
- )
-{
- Word16 i;
- Word32 tmp;
-
- for (i = 0; i < ORDER; i++)
- {
- isf_q[i] = sub(isf1[i], mean_isf_noise[i]);
- }
-
- indice[0] = Sub_VQ(&isf_q[0], dico1_isf_noise, 2, SIZE_BK_NOISE1, &tmp);
- indice[1] = Sub_VQ(&isf_q[2], dico2_isf_noise, 3, SIZE_BK_NOISE2, &tmp);
- indice[2] = Sub_VQ(&isf_q[5], dico3_isf_noise, 3, SIZE_BK_NOISE3, &tmp);
- indice[3] = Sub_VQ(&isf_q[8], dico4_isf_noise, 4, SIZE_BK_NOISE4, &tmp);
- indice[4] = Sub_VQ(&isf_q[12], dico5_isf_noise, 4, SIZE_BK_NOISE5, &tmp);
-
- /* decoding the ISFs */
-
- Disf_ns(indice, isf_q);
-
- return;
-}
-
-/********************************************************************
-* Function: Disf_ns() *
-* ~~~~~~~~~ *
-* Decoding of ISF parameters *
-*-------------------------------------------------------------------*
-* Arguments: *
-* indice[] : indices of the selected codebook entries *
-* isf[] : quantized ISFs (in frequency domain) *
-*********************************************************************/
-
-void Disf_ns(
- Word16 * indice, /* input: quantization indices */
- Word16 * isf_q /* input : ISF in the frequency domain (0..0.5) */
- )
-{
- Word16 i;
-
- for (i = 0; i < 2; i++)
- {
- isf_q[i] = dico1_isf_noise[indice[0] * 2 + i];
- }
- for (i = 0; i < 3; i++)
- {
- isf_q[i + 2] = dico2_isf_noise[indice[1] * 3 + i];
- }
- for (i = 0; i < 3; i++)
- {
- isf_q[i + 5] = dico3_isf_noise[indice[2] * 3 + i];
- }
- for (i = 0; i < 4; i++)
- {
- isf_q[i + 8] = dico4_isf_noise[indice[3] * 4 + i];
- }
- for (i = 0; i < 4; i++)
- {
- isf_q[i + 12] = dico5_isf_noise[indice[4] * 4 + i];
- }
-
- for (i = 0; i < ORDER; i++)
- {
- isf_q[i] = add(isf_q[i], mean_isf_noise[i]);
- }
-
- Reorder_isf(isf_q, ISF_GAP, ORDER);
-
- 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: qisf_ns.c *
+* *
+* Description: Coding/Decoding of ISF parameters for background noise.*
+* The ISF vector is quantized using VQ with split-by-5 *
+* *
+****************************************************************************/
+
+#include "typedef.h"
+#include "basic_op.h"
+#include "acelp.h"
+#include "qisf_ns.tab" /* Codebooks of ISFs */
+
+/*------------------------------------------------------------------*
+* routine: Qisf_ns() *
+* ~~~~~~~~~ *
+*------------------------------------------------------------------*/
+
+void Qisf_ns(
+ Word16 * isf1, /* input : ISF in the frequency domain (0..0.5) */
+ Word16 * isf_q, /* output: quantized ISF */
+ Word16 * indice /* output: quantization indices */
+ )
+{
+ Word16 i;
+ Word32 tmp;
+
+ for (i = 0; i < ORDER; i++)
+ {
+ isf_q[i] = sub(isf1[i], mean_isf_noise[i]);
+ }
+
+ indice[0] = Sub_VQ(&isf_q[0], dico1_isf_noise, 2, SIZE_BK_NOISE1, &tmp);
+ indice[1] = Sub_VQ(&isf_q[2], dico2_isf_noise, 3, SIZE_BK_NOISE2, &tmp);
+ indice[2] = Sub_VQ(&isf_q[5], dico3_isf_noise, 3, SIZE_BK_NOISE3, &tmp);
+ indice[3] = Sub_VQ(&isf_q[8], dico4_isf_noise, 4, SIZE_BK_NOISE4, &tmp);
+ indice[4] = Sub_VQ(&isf_q[12], dico5_isf_noise, 4, SIZE_BK_NOISE5, &tmp);
+
+ /* decoding the ISFs */
+
+ Disf_ns(indice, isf_q);
+
+ return;
+}
+
+/********************************************************************
+* Function: Disf_ns() *
+* ~~~~~~~~~ *
+* Decoding of ISF parameters *
+*-------------------------------------------------------------------*
+* Arguments: *
+* indice[] : indices of the selected codebook entries *
+* isf[] : quantized ISFs (in frequency domain) *
+*********************************************************************/
+
+void Disf_ns(
+ Word16 * indice, /* input: quantization indices */
+ Word16 * isf_q /* input : ISF in the frequency domain (0..0.5) */
+ )
+{
+ Word16 i;
+
+ for (i = 0; i < 2; i++)
+ {
+ isf_q[i] = dico1_isf_noise[indice[0] * 2 + i];
+ }
+ for (i = 0; i < 3; i++)
+ {
+ isf_q[i + 2] = dico2_isf_noise[indice[1] * 3 + i];
+ }
+ for (i = 0; i < 3; i++)
+ {
+ isf_q[i + 5] = dico3_isf_noise[indice[2] * 3 + i];
+ }
+ for (i = 0; i < 4; i++)
+ {
+ isf_q[i + 8] = dico4_isf_noise[indice[3] * 4 + i];
+ }
+ for (i = 0; i < 4; i++)
+ {
+ isf_q[i + 12] = dico5_isf_noise[indice[4] * 4 + i];
+ }
+
+ for (i = 0; i < ORDER; i++)
+ {
+ isf_q[i] = add(isf_q[i], mean_isf_noise[i]);
+ }
+
+ Reorder_isf(isf_q, ISF_GAP, ORDER);
+
+ return;
+}
+
+
+
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