diff options
Diffstat (limited to 'silk/SKP_Silk_resampler_structs.h')
| m--------- | silk | 6 | ||||
| -rw-r--r-- | silk/SKP_Silk_resampler_structs.h | 80 |
2 files changed, 80 insertions, 6 deletions
diff --git a/silk b/silk deleted file mode 160000 -Subproject 8a8b76efeeccaccf402b0b2b4e469980d0a4831 diff --git a/silk/SKP_Silk_resampler_structs.h b/silk/SKP_Silk_resampler_structs.h new file mode 100644 index 00000000..292422b7 --- /dev/null +++ b/silk/SKP_Silk_resampler_structs.h @@ -0,0 +1,80 @@ +/***********************************************************************
+Copyright (c) 2006-2011, Skype Limited. All rights reserved.
+Redistribution and use in source and binary forms, with or without
+modification, (subject to the limitations in the disclaimer below)
+are permitted provided that the following conditions are met:
+- Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+- Neither the name of Skype Limited, nor the names of specific
+contributors, may be used to endorse or promote products derived from
+this software without specific prior written permission.
+NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED
+BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+***********************************************************************/
+
+/* *
+ * File Name: SKP_Silk_resampler_structs.h *
+ * *
+ * Description: Structs for IIR/FIR resamplers *
+ * *
+ * Copyright 2010 (c), Skype Limited *
+ * All rights reserved. *
+ * *
+ * */
+
+#ifndef SKP_Silk_RESAMPLER_STRUCTS_H
+#define SKP_Silk_RESAMPLER_STRUCTS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Flag to enable support for input/output sampling rates above 48 kHz. Turn off for embedded devices */
+#define RESAMPLER_SUPPORT_ABOVE_48KHZ 1
+
+#define SKP_Silk_RESAMPLER_MAX_FIR_ORDER 16
+#define SKP_Silk_RESAMPLER_MAX_IIR_ORDER 6
+
+
+typedef struct _SKP_Silk_resampler_state_struct{
+ SKP_int32 sIIR[ SKP_Silk_RESAMPLER_MAX_IIR_ORDER ]; /* this must be the first element of this struct */
+ SKP_int32 sFIR[ SKP_Silk_RESAMPLER_MAX_FIR_ORDER ];
+ SKP_int32 sDown2[ 2 ];
+ void (*resampler_function)( void *, SKP_int16 *, const SKP_int16 *, SKP_int32 );
+ void (*up2_function)( SKP_int32 *, SKP_int16 *, const SKP_int16 *, SKP_int32 );
+ SKP_int32 batchSize;
+ SKP_int32 invRatio_Q16;
+ SKP_int32 FIR_Fracs;
+ SKP_int32 input2x;
+ const SKP_int16 *Coefs;
+#if RESAMPLER_SUPPORT_ABOVE_48KHZ
+ SKP_int32 sDownPre[ 2 ];
+ SKP_int32 sUpPost[ 2 ];
+ void (*down_pre_function)( SKP_int32 *, SKP_int16 *, const SKP_int16 *, SKP_int32 );
+ void (*up_post_function)( SKP_int32 *, SKP_int16 *, const SKP_int16 *, SKP_int32 );
+ SKP_int32 batchSizePrePost;
+ SKP_int32 ratio_Q16;
+ SKP_int32 nPreDownsamplers;
+ SKP_int32 nPostUpsamplers;
+#endif
+ SKP_int32 magic_number;
+} SKP_Silk_resampler_state_struct;
+
+#ifdef __cplusplus
+}
+#endif
+#endif // SKP_Silk_RESAMPLER_STRUCTS_H
+
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