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-rw-r--r--media/libstagefright/codecs/amrwbenc/inc/dtx.h230
1 files changed, 115 insertions, 115 deletions
diff --git a/media/libstagefright/codecs/amrwbenc/inc/dtx.h b/media/libstagefright/codecs/amrwbenc/inc/dtx.h
index e52c2d0..0bdda67 100644
--- a/media/libstagefright/codecs/amrwbenc/inc/dtx.h
+++ b/media/libstagefright/codecs/amrwbenc/inc/dtx.h
@@ -1,115 +1,115 @@
-/*
- ** 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.
- */
-
-
-/*--------------------------------------------------------------------------*
- * DTX.H *
- *--------------------------------------------------------------------------*
- * Static memory, constants and frametypes for the DTX *
- *--------------------------------------------------------------------------*/
-
-#ifndef __DTX_H__
-#define __DTX_H__
-
-#define DTX_MAX_EMPTY_THRESH 50
-#define DTX_HIST_SIZE 8
-#define DTX_HIST_SIZE_MIN_ONE 7
-#define DTX_ELAPSED_FRAMES_THRESH (24 + 7 -1)
-#define DTX_HANG_CONST 7 /* yields eight frames of SP HANGOVER */
-#define INV_MED_THRESH 14564
-#define ISF_GAP 128 /* 50 */
-#define ONE_MINUS_ISF_GAP 16384 - ISF_GAP
-#define ISF_GAP 128
-#define ISF_DITH_GAP 448
-#define ISF_FACTOR_LOW 256
-#define ISF_FACTOR_STEP 2
-#define GAIN_THR 180
-#define GAIN_FACTOR 75
-
-typedef struct
-{
- Word16 isf_hist[M * DTX_HIST_SIZE];
- Word16 log_en_hist[DTX_HIST_SIZE];
- Word16 hist_ptr;
- Word16 log_en_index;
- Word16 cng_seed;
- /* DTX handler stuff */
- Word16 dtxHangoverCount;
- Word16 decAnaElapsedCount;
- Word32 D[28];
- Word32 sumD[DTX_HIST_SIZE];
-} dtx_encState;
-
-#define SPEECH 0
-#define DTX 1
-#define DTX_MUTE 2
-
-#define TX_SPEECH 0
-#define TX_SID_FIRST 1
-#define TX_SID_UPDATE 2
-#define TX_NO_DATA 3
-
-#define RX_SPEECH_GOOD 0
-#define RX_SPEECH_PROBABLY_DEGRADED 1
-#define RX_SPEECH_LOST 2
-#define RX_SPEECH_BAD 3
-#define RX_SID_FIRST 4
-#define RX_SID_UPDATE 5
-#define RX_SID_BAD 6
-#define RX_NO_DATA 7
-
-/*****************************************************************************
- *
- * DEFINITION OF DATA TYPES
- *****************************************************************************/
-
-Word16 dtx_enc_init(dtx_encState ** st, Word16 isf_init[], VO_MEM_OPERATOR *pMemOP);
-Word16 dtx_enc_reset(dtx_encState * st, Word16 isf_init[]);
-void dtx_enc_exit(dtx_encState ** st, VO_MEM_OPERATOR *pMemOP);
-
-Word16 dtx_enc(
- dtx_encState * st, /* i/o : State struct */
- Word16 isf[M], /* o : CN ISF vector */
- Word16 * exc2, /* o : CN excitation */
- Word16 ** prms
-);
-
-Word16 dtx_buffer(
- dtx_encState * st, /* i/o : State struct */
- Word16 isf_new[], /* i : isf vector */
- Word32 enr, /* i : residual energy (in L_FRAME) */
- Word16 codec_mode
-);
-
-void tx_dtx_handler(dtx_encState * st, /* i/o : State struct */
- Word16 vad_flag, /* i : vad decision */
- Word16 * usedMode /* i/o : mode changed or not */
-);
-
-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 */
-);
-
-
-void Disf_ns(
- Word16 * indice, /* input: quantization indices */
- Word16 * isf_q /* input : ISF in the frequency domain (0..0.5) */
-);
-
-#endif //__DTX_H__
-
+/*
+ ** 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.
+ */
+
+
+/*--------------------------------------------------------------------------*
+ * DTX.H *
+ *--------------------------------------------------------------------------*
+ * Static memory, constants and frametypes for the DTX *
+ *--------------------------------------------------------------------------*/
+
+#ifndef __DTX_H__
+#define __DTX_H__
+
+#define DTX_MAX_EMPTY_THRESH 50
+#define DTX_HIST_SIZE 8
+#define DTX_HIST_SIZE_MIN_ONE 7
+#define DTX_ELAPSED_FRAMES_THRESH (24 + 7 -1)
+#define DTX_HANG_CONST 7 /* yields eight frames of SP HANGOVER */
+#define INV_MED_THRESH 14564
+#define ISF_GAP 128 /* 50 */
+#define ONE_MINUS_ISF_GAP 16384 - ISF_GAP
+#define ISF_GAP 128
+#define ISF_DITH_GAP 448
+#define ISF_FACTOR_LOW 256
+#define ISF_FACTOR_STEP 2
+#define GAIN_THR 180
+#define GAIN_FACTOR 75
+
+typedef struct
+{
+ Word16 isf_hist[M * DTX_HIST_SIZE];
+ Word16 log_en_hist[DTX_HIST_SIZE];
+ Word16 hist_ptr;
+ Word16 log_en_index;
+ Word16 cng_seed;
+ /* DTX handler stuff */
+ Word16 dtxHangoverCount;
+ Word16 decAnaElapsedCount;
+ Word32 D[28];
+ Word32 sumD[DTX_HIST_SIZE];
+} dtx_encState;
+
+#define SPEECH 0
+#define DTX 1
+#define DTX_MUTE 2
+
+#define TX_SPEECH 0
+#define TX_SID_FIRST 1
+#define TX_SID_UPDATE 2
+#define TX_NO_DATA 3
+
+#define RX_SPEECH_GOOD 0
+#define RX_SPEECH_PROBABLY_DEGRADED 1
+#define RX_SPEECH_LOST 2
+#define RX_SPEECH_BAD 3
+#define RX_SID_FIRST 4
+#define RX_SID_UPDATE 5
+#define RX_SID_BAD 6
+#define RX_NO_DATA 7
+
+/*****************************************************************************
+ *
+ * DEFINITION OF DATA TYPES
+ *****************************************************************************/
+
+Word16 dtx_enc_init(dtx_encState ** st, Word16 isf_init[], VO_MEM_OPERATOR *pMemOP);
+Word16 dtx_enc_reset(dtx_encState * st, Word16 isf_init[]);
+void dtx_enc_exit(dtx_encState ** st, VO_MEM_OPERATOR *pMemOP);
+
+Word16 dtx_enc(
+ dtx_encState * st, /* i/o : State struct */
+ Word16 isf[M], /* o : CN ISF vector */
+ Word16 * exc2, /* o : CN excitation */
+ Word16 ** prms
+);
+
+Word16 dtx_buffer(
+ dtx_encState * st, /* i/o : State struct */
+ Word16 isf_new[], /* i : isf vector */
+ Word32 enr, /* i : residual energy (in L_FRAME) */
+ Word16 codec_mode
+);
+
+void tx_dtx_handler(dtx_encState * st, /* i/o : State struct */
+ Word16 vad_flag, /* i : vad decision */
+ Word16 * usedMode /* i/o : mode changed or not */
+);
+
+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 */
+);
+
+
+void Disf_ns(
+ Word16 * indice, /* input: quantization indices */
+ Word16 * isf_q /* input : ISF in the frequency domain (0..0.5) */
+);
+
+#endif //__DTX_H__
+
generated by cgit v1.1 at 2024-05-17 21:30:18 +0000