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Unified Diff: third_party/openmax_dl/dl/sp/api/omxSP.h

Issue 12317152: Add openmax dl routines for review. MUST NOT BE LANDED (Closed) Base URL: http://git.chromium.org/chromium/src.git@master
Patch Set: Created 7 years, 9 months ago
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Index: third_party/openmax_dl/dl/sp/api/omxSP.h
diff --git a/third_party/openmax_dl/dl/sp/api/omxSP.h b/third_party/openmax_dl/dl/sp/api/omxSP.h
new file mode 100644
index 0000000000000000000000000000000000000000..3016c772f73b1dfbd0eda38e87e99d5e32734cb5
--- /dev/null
+++ b/third_party/openmax_dl/dl/sp/api/omxSP.h
@@ -0,0 +1,2286 @@
+/**
+ * File: omxSP.h
+ * Brief: OpenMAX DL v1.0.2 - Signal Processing library
+ *
+ * Copyright 2005-2008 The Khronos Group Inc. All Rights Reserved.
+ *
+ * These materials are protected by copyright laws and contain material
+ * proprietary to the Khronos Group, Inc. You may use these materials
+ * for implementing Khronos specifications, without altering or removing
+ * any trademark, copyright or other notice from the specification.
+ *
+ * Khronos Group makes no, and expressly disclaims any, representations
+ * or warranties, express or implied, regarding these materials, including,
+ * without limitation, any implied warranties of merchantability or fitness
+ * for a particular purpose or non-infringement of any intellectual property.
+ * Khronos Group makes no, and expressly disclaims any, warranties, express
+ * or implied, regarding the correctness, accuracy, completeness, timeliness,
+ * and reliability of these materials.
+ *
+ * Under no circumstances will the Khronos Group, or any of its Promoters,
+ * Contributors or Members or their respective partners, officers, directors,
+ * employees, agents or representatives be liable for any damages, whether
+ * direct, indirect, special or consequential damages for lost revenues,
+ * lost profits, or otherwise, arising from or in connection with these
+ * materials.
+ *
+ * Khronos and OpenMAX are trademarks of the Khronos Group Inc.
+ *
+ */
+
+/* *****************************************************************************************/
+
+#ifndef _OMXSP_H_
+#define _OMXSP_H_
+
+#include "dl/api/omxtypes.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* 2.1 Vendor-Specific FFT Data Structures */
+ typedef void OMXFFTSpec_C_SC16;
+ typedef void OMXFFTSpec_C_SC32;
+ typedef void OMXFFTSpec_R_S16S32;
+ typedef void OMXFFTSpec_R_S32;
+ typedef void OMXFFTSpec_R_F32;
+ typedef void OMXFFTSpec_C_FC32;
+
+/**
+ * Function: omxSP_Copy_S16 (2.2.1.1.1)
+ *
+ * Description:
+ * Copies the len elements of the vector pointed to by pSrcinto the len
+ * elements of the vector pointed to by pDst. That is:
+ * pDst[i] = pSrc[i], for (i=0, 1, ..., len-1)
+ *
+ * Input Arguments:
+ *
+ * pSrc - pointer to the source vector
+ * len - number of elements contained in the source and destination vectors
+ *
+ * Output Arguments:
+ *
+ * pDst - pointer to the destination vector
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments detected; returned if one or more of
+ * the following is true:
+ * - pSrc or pDst is NULL
+ * - len < 0
+ *
+ */
+OMXResult omxSP_Copy_S16 (
+ const OMX_S16 *pSrc,
+ OMX_S16 *pDst,
+ OMX_INT len
+);
+
+
+
+/**
+ * Function: omxSP_DotProd_S16 (2.2.2.1.1)
+ *
+ * Description:
+ * Calculates the dot product of the two input vectors. This function does
+ * not perform scaling. The internal accumulator width must be at least 32
+ * bits. If any of the partially accumulated values exceeds the range of a
+ * signed 32-bit integer then the result is undefined.
+ *
+ * Input Arguments:
+ *
+ * pSrc1 - pointer to the first input vector; must be aligned on an 8-byte
+ * boundary.
+ * pSrc2 - pointer to the second input vector; must be aligned on an 8-byte
+ * boundary.
+ * len - length of the vectors in pSrc1 and pSrc2
+ *
+ * Output Arguments:
+ *
+ * Return Value:
+ *
+ * The dot product result Note: this function returns the actual result
+ * rather than the standard OMXError.
+ *
+ */
+OMX_S32 omxSP_DotProd_S16 (
+ const OMX_S16 *pSrc1,
+ const OMX_S16 *pSrc2,
+ OMX_INT len
+);
+
+
+
+/**
+ * Function: omxSP_DotProd_S16_Sfs (2.2.2.1.2)
+ *
+ * Description:
+ * Calculates the dot product of the two input signals with output scaling
+ * and saturation, i.e., the result is multiplied by two to the power of the
+ * negative (-)scalefactor (scaled) prior to return. The result is saturated
+ * with rounding if the scaling operation produces a value outside the range
+ * of a signed 32-bit integer. Rounding behavior is defined in section 1.6.7
+ * Integer Scaling and Rounding Conventions. The internal accumulator width
+ * must be at least 32 bits. The result is undefined if any of the partially
+ * accumulated values exceeds the range of a signed 32-bit integer.
+ *
+ * Input Arguments:
+ *
+ * pSrc1 - pointer to the first input vector; must be aligned on an 8-byte
+ * boundary.
+ * pSrc2 - pointer to the second input vector; must be aligned on an 8-byte
+ * boundary.
+ * len - length of the vectors in pSrc1 and pSrc2
+ * scaleFactor - integer scalefactor
+ *
+ * Output Arguments:
+ *
+ * Return Value:
+ *
+ * The dot product result Note: This function returns the actual result
+ * rather than the standard OMXError.
+ *
+ */
+OMX_S32 omxSP_DotProd_S16_Sfs (
+ const OMX_S16 *pSrc1,
+ const OMX_S16 *pSrc2,
+ OMX_INT len,
+ OMX_INT scaleFactor
+);
+
+
+
+/**
+ * Function: omxSP_BlockExp_S16 (2.2.2.2.2)
+ *
+ * Description:
+ * Block exponent calculation for 16-bit and 32-bit signals (count leading
+ * sign bits). These functions compute the number of extra sign bits of all
+ * values in the 16-bit and 32-bit input vector pSrc and return the minimum
+ * sign bit count. This is also the maximum shift value that could be used in
+ * scaling the block of data. The functions BlockExp_S16 and
+ * BlockExp_S32 return the values 15 and 31, respectively, for input vectors in
+ * which all entries are equal to zero.
+ *
+ * Note: These functions differ from other DL functions by not returning the
+ * standard OMXError but the actual result.
+ *
+ * Input Arguments:
+ *
+ * pSrc - pointer to the input vector
+ * len - number of elements contained in the input and output
+ * vectors (0 < len < 65536)
+ *
+ * Output Arguments:
+ *
+ * none
+ *
+ * Return Value:
+ *
+ * Maximum exponent that may be used in scaling
+ *
+ */
+OMX_INT omxSP_BlockExp_S16 (
+ const OMX_S16 *pSrc,
+ OMX_INT len
+);
+
+
+
+/**
+ * Function: omxSP_BlockExp_S32 (2.2.2.2.2)
+ *
+ * Description:
+ * Block exponent calculation for 16-bit and 32-bit signals (count leading
+ * sign bits). These functions compute the number of extra sign bits of all
+ * values in the 16-bit and 32-bit input vector pSrc and return the minimum
+ * sign bit count. This is also the maximum shift value that could be used in
+ * scaling the block of data. The functions BlockExp_S16 and
+ * BlockExp_S32 return the values 15 and 31, respectively, for input vectors in
+ * which all entries are equal to zero.
+ *
+ * Note: These functions differ from other DL functions by not returning the
+ * standard OMXError but the actual result.
+ *
+ * Input Arguments:
+ *
+ * pSrc - pointer to the input vector
+ * len - number of elements contained in the input and output
+ * vectors (0 < len < 65536)
+ *
+ * Output Arguments:
+ *
+ * none
+ *
+ * Return Value:
+ *
+ * Maximum exponent that may be used in scaling
+ *
+ */
+OMX_INT omxSP_BlockExp_S32 (
+ const OMX_S32 *pSrc,
+ OMX_INT len
+);
+
+
+
+/**
+ * Function: omxSP_FIR_Direct_S16 (2.2.3.1.1)
+ *
+ * Description:
+ * Block FIR filtering for 16-bit data type. This function applies the
+ * FIR filter defined by the coefficient vector pTapsQ15 to a vector of
+ * input data. The result is saturated with rounding if the operation
+ * produces a value outside the range of a signed 16-bit integer.
+ * Rounding behavior is defined in:
+ * section 1.6.7 "Integer Scaling and Rounding Conventions".
+ * The internal accumulator width must be at least 32 bits. The result
+ * is undefined if any of the partially accumulated values exceeds the
+ * range of a signed 32-bit integer.
+ *
+ *
+ * Input Arguments:
+ *
+ * pSrc - pointer to the vector of input samples to which the
+ * filter is applied
+ * sampLen - the number of samples contained in the input and output
+ * vectors
+ * pTapsQ15 - pointer to the vector that contains the filter coefficients,
+ * represented in Q0.15 format (defined in section 1.6.5). Given
+ * that:
+ * -32768 = pTapsQ15(k) < 32768,
+ * 0 = k <tapsLen,
+ * the range on the actual filter coefficients is -1 = bK <1, and
+ * therefore coefficient normalization may be required during the
+ * filter design process.
+ * tapsLen - the number of taps, or, equivalently, the filter order + 1
+ * pDelayLine - pointer to the 2.tapsLen -element filter memory buffer
+ * (state). The user is responsible for allocation, initialization,
+ * and de-allocation. The filter memory elements are initialized to
+ * zero in most applications.
+ * pDelayLineIndex - pointer to the filter memory index that is maintained
+ * internally by the function. The user should initialize the value
+ * of this index to zero.
+ *
+ * Output Arguments:
+ *
+ * pDst - pointer to the vector of filtered output samples
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - One or more of the following pointers is NULL:
+ * - pSrc,
+ * - pDst,
+ * - pSrcDst,
+ * - pTapsQ15,
+ * - pDelayLine, or
+ * - pDelayLineIndex
+ * - samplen < 0
+ * - tapslen < 1
+ * - *pDelayLineIndex < 0 or *pDelayLineIndex >= (2 * tapslen).
+ *
+ */
+OMXResult omxSP_FIR_Direct_S16 (
+ const OMX_S16 *pSrc,
+ OMX_S16 *pDst,
+ OMX_INT sampLen,
+ const OMX_S16 *pTapsQ15,
+ OMX_INT tapsLen,
+ OMX_S16 *pDelayLine,
+ OMX_INT *pDelayLineIndex
+);
+
+
+
+/**
+ * Function: omxSP_FIR_Direct_S16_I (2.2.3.1.1)
+ *
+ * Description:
+ * Block FIR filtering for 16-bit data type. This function applies the
+ * FIR filter defined by the coefficient vector pTapsQ15 to a vector of
+ * input data. The result is saturated with rounding if the operation
+ * produces a value outside the range of a signed 16-bit integer.
+ * Rounding behavior is defined in:
+ * section 1.6.7 "Integer Scaling and Rounding Conventions".
+ * The internal accumulator width must be at least 32 bits. The result
+ * is undefined if any of the partially accumulated values exceeds the
+ * range of a signed 32-bit integer.
+ *
+ * Input Arguments:
+ *
+ * pSrcDst - pointer to the vector of input samples to which the
+ * filter is applied
+ * sampLen - the number of samples contained in the input and output
+ * vectors
+ * pTapsQ15 - pointer to the vector that contains the filter coefficients,
+ * represented in Q0.15 format (defined in section 1.6.5). Given
+ * that:
+ * -32768 = pTapsQ15(k) < 32768,
+ * 0 = k <tapsLen,
+ * the range on the actual filter coefficients is -1 = bK <1, and
+ * therefore coefficient normalization may be required during the
+ * filter design process.
+ * tapsLen - the number of taps, or, equivalently, the filter order + 1
+ * pDelayLine - pointer to the 2.tapsLen -element filter memory buffer
+ * (state). The user is responsible for allocation, initialization,
+ * and de-allocation. The filter memory elements are initialized to
+ * zero in most applications.
+ * pDelayLineIndex - pointer to the filter memory index that is maintained
+ * internally by the function. The user should initialize the value
+ * of this index to zero.
+ *
+ * Output Arguments:
+ *
+ * pSrcDst - pointer to the vector of filtered output samples
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - One or more of the following pointers is NULL:
+ * - pSrc,
+ * - pDst,
+ * - pSrcDst,
+ * - pTapsQ15,
+ * - pDelayLine, or
+ * - pDelayLineIndex
+ * - samplen < 0
+ * - tapslen < 1
+ * - *pDelayLineIndex < 0 or *pDelayLineIndex >= (2 * tapslen).
+ *
+ */
+OMXResult omxSP_FIR_Direct_S16_I (
+ OMX_S16 *pSrcDst,
+ OMX_INT sampLen,
+ const OMX_S16 *pTapsQ15,
+ OMX_INT tapsLen,
+ OMX_S16 *pDelayLine,
+ OMX_INT *pDelayLineIndex
+);
+
+
+
+/**
+ * Function: omxSP_FIR_Direct_S16_Sfs (2.2.3.1.1)
+ *
+ * Description:
+ * Block FIR filtering for 16-bit data type. This function applies
+ * the FIR filter defined by the coefficient vector pTapsQ15 to a
+ * vector of input data. The output is multiplied by 2 to the negative
+ * power of scalefactor (i.e., 2^-scalefactor) before returning to the caller.
+ * Scaling and rounding conventions are defined in section 1.6.7.
+ * The internal accumulator width must be at least 32 bits.
+ * The result is undefined if any of the partially accumulated
+ * values exceeds the range of a signed 32-bit integer.
+ *
+ * Input Arguments:
+ *
+ * pSrc - pointer to the vector of input samples to which the
+ * filter is applied
+ * sampLen - the number of samples contained in the input and output
+ * vectors
+ * pTapsQ15 - pointer to the vector that contains the filter coefficients,
+ * represented in Q0.15 format (defined in section 1.6.5). Given
+ * that:
+ * -32768 = pTapsQ15(k) < 32768,
+ * 0 = k <tapsLen,
+ * the range on the actual filter coefficients is -1 = bK <1, and
+ * therefore coefficient normalization may be required during the
+ * filter design process.
+ * tapsLen - the number of taps, or, equivalently, the filter order + 1
+ * pDelayLine - pointer to the 2.tapsLen -element filter memory buffer
+ * (state). The user is responsible for allocation, initialization,
+ * and de-allocation. The filter memory elements are initialized to
+ * zero in most applications.
+ * pDelayLineIndex - pointer to the filter memory index that is maintained
+ * internally by the function. The user should initialize the value
+ * of this index to zero.
+ * scaleFactor - saturation fixed scalefactor
+ *
+ * Output Arguments:
+ *
+ * pDst - pointer to the vector of filtered output samples
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - One or more of the following pointers is NULL:
+ * - pSrc,
+ * - pDst,
+ * - pSrcDst,
+ * - pTapsQ15,
+ * - pDelayLine, or
+ * - pDelayLineIndex
+ * - samplen < 0
+ * - tapslen < 1
+ * - scaleFactor < 0
+ * - *pDelayLineIndex < 0 or *pDelayLineIndex >= (2 * tapslen).
+ *
+ */
+OMXResult omxSP_FIR_Direct_S16_Sfs (
+ const OMX_S16 *pSrc,
+ OMX_S16 *pDst,
+ OMX_INT sampLen,
+ const OMX_S16 *pTapsQ15,
+ OMX_INT tapsLen,
+ OMX_S16 *pDelayLine,
+ OMX_INT *pDelayLineIndex,
+ OMX_INT scaleFactor
+);
+
+
+
+/**
+ * Function: omxSP_FIR_Direct_S16_ISfs (2.2.3.1.1)
+ *
+ * Description:
+ * Block FIR filtering for 16-bit data type. This function applies
+ * the FIR filter defined by the coefficient vector pTapsQ15 to a
+ * vector of input data. The output is multiplied by 2 to the negative
+ * power of scalefactor (i.e., 2^-scalefactor) before returning to the caller.
+ * Scaling and rounding conventions are defined in section 1.6.7.
+ * The internal accumulator width must be at least 32 bits.
+ * The result is undefined if any of the partially accumulated
+ * values exceeds the range of a signed 32-bit integer.
+ *
+ * Input Arguments:
+ *
+ * pSrcDst - pointer to the vector of input samples to which the
+ * filter is applied
+ * sampLen - the number of samples contained in the input and output
+ * vectors
+ * pTapsQ15 - pointer to the vector that contains the filter coefficients,
+ * represented in Q0.15 format (defined in section 1.6.5). Given
+ * that:
+ * -32768 = pTapsQ15(k) < 32768,
+ * 0 = k <tapsLen,
+ * the range on the actual filter coefficients is -1 = bK <1, and
+ * therefore coefficient normalization may be required during the
+ * filter design process.
+ * tapsLen - the number of taps, or, equivalently, the filter order + 1
+ * pDelayLine - pointer to the 2.tapsLen -element filter memory buffer
+ * (state). The user is responsible for allocation, initialization,
+ * and de-allocation. The filter memory elements are initialized to
+ * zero in most applications.
+ * pDelayLineIndex - pointer to the filter memory index that is maintained
+ * internally by the function. The user should initialize the value
+ * of this index to zero.
+ * scaleFactor - saturation fixed scalefactor
+ *
+ * Output Arguments:
+ *
+ * pSrcDst - pointer to the vector of filtered output samples
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - One or more of the following pointers is NULL:
+ * - pSrc,
+ * - pDst,
+ * - pSrcDst,
+ * - pTapsQ15,
+ * - pDelayLine, or
+ * - pDelayLineIndex
+ * - samplen < 0
+ * - tapslen < 1
+ * - scaleFactor < 0
+ * - *pDelayLineIndex < 0 or *pDelayLineIndex >= (2 * tapslen).
+ *
+ */
+OMXResult omxSP_FIR_Direct_S16_ISfs (
+ OMX_S16 *pSrcDst,
+ OMX_INT sampLen,
+ const OMX_S16 *pTapsQ15,
+ OMX_INT tapsLen,
+ OMX_S16 *pDelayLine,
+ OMX_INT *pDelayLineIndex,
+ OMX_INT scaleFactor
+);
+
+
+
+/**
+ * Function: omxSP_FIROne_Direct_S16 (2.2.3.1.2)
+ *
+ * Description:
+ * Single-sample FIR filtering for 16-bit data type. These functions apply
+ * the FIR filter defined by the coefficient vector pTapsQ15 to a single
+ * sample of input data. The result is saturated with rounding if the
+ * operation produces a value outside the range of a signed 16-bit integer.
+ * Rounding behavior is defined in:
+ * section 1.6.7 "Integer Scaling and Rounding Conventions".
+ * The internal accumulator width must be at least 32 bits. The result is
+ * undefined if any of the partially accumulated values exceeds the range of a
+ * signed 32-bit integer.
+ *
+ * Input Arguments:
+ *
+ * val - the single input sample to which the filter is
+ * applied.
+ * pTapsQ15 - pointer to the vector that contains the filter coefficients,
+ * represented in Q0.15 format (as defined in section 1.6.5). Given
+ * that:
+ * -32768 = pTapsQ15(k) < 32768,
+ * 0 = k < tapsLen,
+ * the range on the actual filter coefficients is -1 = bK <1, and
+ * therefore coefficient normalization may be required during the
+ * filter design process.
+ * tapsLen - the number of taps, or, equivalently, the filter order + 1
+ * pDelayLine - pointer to the 2.tapsLen -element filter memory buffer
+ * (state). The user is responsible for allocation, initialization,
+ * and de-allocation. The filter memory elements are initialized to
+ * zero in most applications.
+ * pDelayLineIndex - pointer to the filter memory index that is maintained
+ * internally by the function. The user should initialize the value
+ * of this index to zero.
+ *
+ * Output Arguments:
+ *
+ * pResult - pointer to the filtered output sample
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - One or more of the following pointers is NULL:
+ * - pResult,
+ * - pTapsQ15,
+ * - pDelayLine, or
+ * - pDelayLineIndex
+ * - tapslen < 1
+ * - *pDelayLineIndex < 0 or *pDelayLineIndex >= (2 * tapslen)
+ *
+ */
+OMXResult omxSP_FIROne_Direct_S16 (
+ OMX_S16 val,
+ OMX_S16 *pResult,
+ const OMX_S16 *pTapsQ15,
+ OMX_INT tapsLen,
+ OMX_S16 *pDelayLine,
+ OMX_INT *pDelayLineIndex
+);
+
+
+
+/**
+ * Function: omxSP_FIROne_Direct_S16_I (2.2.3.1.2)
+ *
+ * Description:
+ * Single-sample FIR filtering for 16-bit data type. These functions apply
+ * the FIR filter defined by the coefficient vector pTapsQ15 to a single
+ * sample of input data. The result is saturated with rounding if the
+ * operation produces a value outside the range of a signed 16-bit integer.
+ * Rounding behavior is defined in:
+ * section 1.6.7 "Integer Scaling and Rounding Conventions".
+ * The internal accumulator width must be at least 32 bits. The result is
+ * undefined if any of the partially accumulated values exceeds the range of a
+ * signed 32-bit integer.
+ *
+ * Input Arguments:
+ *
+ * pValResult - pointer to the single input sample to which the filter is
+ * applied.
+ * pTapsQ15 - pointer to the vector that contains the filter coefficients,
+ * represented in Q0.15 format (as defined in section 1.6.5). Given
+ * that:
+ * -32768 = pTapsQ15(k) < 32768,
+ * 0 = k < tapsLen,
+ * the range on the actual filter coefficients is -1 = bK <1, and
+ * therefore coefficient normalization may be required during the
+ * filter design process.
+ * tapsLen - the number of taps, or, equivalently, the filter order + 1
+ * pDelayLine - pointer to the 2.tapsLen -element filter memory buffer
+ * (state). The user is responsible for allocation, initialization,
+ * and de-allocation. The filter memory elements are initialized to
+ * zero in most applications.
+ * pDelayLineIndex - pointer to the filter memory index that is maintained
+ * internally by the function. The user should initialize the value
+ * of this index to zero.
+ *
+ * Output Arguments:
+ *
+ * pValResult - pointer to the filtered output sample
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - One or more of the following pointers is NULL:
+ * - pValResult,
+ * - pTapsQ15,
+ * - pDelayLine, or
+ * - pDelayLineIndex
+ * - tapslen < 1
+ * - *pDelayLineIndex < 0 or *pDelayLineIndex >= (2 * tapslen)
+ *
+ */
+OMXResult omxSP_FIROne_Direct_S16_I (
+ OMX_S16 *pValResult,
+ const OMX_S16 *pTapsQ15,
+ OMX_INT tapsLen,
+ OMX_S16 *pDelayLine,
+ OMX_INT *pDelayLineIndex
+);
+
+
+
+/**
+ * Function: omxSP_FIROne_Direct_S16_Sfs (2.2.3.1.2)
+ *
+ * Description:
+ * Single-sample FIR filtering for 16-bit data type. These functions apply
+ * the FIR filter defined by the coefficient vector pTapsQ15 to a single
+ * sample of input data. The output is multiplied by 2 to the negative power
+ * of scalefactor (i.e., 2^-scalefactor) before returning to the user.
+ * Scaling and rounding conventions are defined in section 1.6.7.
+ * The internal accumulator width must be at least 32 bits.
+ * The result is undefined if any of the partially accumulated values exceeds
+ * the range of a signed 32-bit integer.
+ *
+ * Input Arguments:
+ *
+ * val - the single input sample to which the filter is
+ * applied.
+ * pTapsQ15 - pointer to the vector that contains the filter coefficients,
+ * represented in Q0.15 format (as defined in section 1.6.5). Given
+ * that:
+ * -32768 = pTapsQ15(k) < 32768,
+ * 0 = k < tapsLen,
+ * the range on the actual filter coefficients is -1 = bK <1, and
+ * therefore coefficient normalization may be required during the
+ * filter design process.
+ * tapsLen - the number of taps, or, equivalently, the filter order + 1
+ * pDelayLine - pointer to the 2.tapsLen -element filter memory buffer
+ * (state). The user is responsible for allocation, initialization,
+ * and de-allocation. The filter memory elements are initialized to
+ * zero in most applications.
+ * pDelayLineIndex - pointer to the filter memory index that is maintained
+ * internally by the function. The user should initialize the value
+ * of this index to zero.
+ * scaleFactor - saturation fixed scaleFactor
+ *
+ * Output Arguments:
+ *
+ * pResult - pointer to the filtered output sample
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - One or more of the following pointers is NULL:
+ * - pResult,
+ * - pTapsQ15,
+ * - pDelayLine, or
+ * - pDelayLineIndex
+ * - tapslen < 1
+ * - scaleFactor < 0
+ * - *pDelayLineIndex < 0 or *pDelayLineIndex >= (2 * tapslen)
+ *
+ */
+OMXResult omxSP_FIROne_Direct_S16_Sfs (
+ OMX_S16 val,
+ OMX_S16 *pResult,
+ const OMX_S16 *pTapsQ15,
+ OMX_INT tapsLen,
+ OMX_S16 *pDelayLine,
+ OMX_INT *pDelayLineIndex,
+ OMX_INT scaleFactor
+);
+
+
+
+/**
+ * Function: omxSP_FIROne_Direct_S16_ISfs (2.2.3.1.2)
+ *
+ * Description:
+ * Single-sample FIR filtering for 16-bit data type. These functions apply
+ * the FIR filter defined by the coefficient vector pTapsQ15 to a single
+ * sample of input data. The output is multiplied by 2 to the negative power
+ * of scalefactor (i.e., 2^-scalefactor) before returning to the user.
+ * Scaling and rounding conventions are defined in section 1.6.7.
+ * The internal accumulator width must be at least 32 bits.
+ * The result is undefined if any of the partially accumulated values exceeds
+ * the range of a signed 32-bit integer.
+ *
+ * Input Arguments:
+ *
+ * pValResult - the pointer to a single input sample to which the filter is
+ * applied.
+ * pTapsQ15 - pointer to the vector that contains the filter coefficients,
+ * represented in Q0.15 format (as defined in section 1.6.5). Given
+ * that:
+ * -32768 = pTapsQ15(k) < 32768,
+ * 0 = k < tapsLen,
+ * the range on the actual filter coefficients is -1 = bK <1, and
+ * therefore coefficient normalization may be required during the
+ * filter design process.
+ * tapsLen - the number of taps, or, equivalently, the filter order + 1
+ * pDelayLine - pointer to the 2.tapsLen -element filter memory buffer
+ * (state). The user is responsible for allocation, initialization,
+ * and de-allocation. The filter memory elements are initialized to
+ * zero in most applications.
+ * pDelayLineIndex - pointer to the filter memory index that is maintained
+ * internally by the function. The user should initialize the value
+ * of this index to zero.
+ * scaleFactor - saturation fixed scaleFactor
+ *
+ * Output Arguments:
+ *
+ * pValResult - pointer to the filtered output sample
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - One or more of the following pointers is NULL:
+ * - pValResult,
+ * - pTapsQ15,
+ * - pDelayLine, or
+ * - pDelayLineIndex
+ * - tapslen < 1
+ * - scaleFactor < 0
+ * - *pDelayLineIndex < 0 or *pDelayLineIndex >= (2 * tapslen)
+ *
+ */
+OMXResult omxSP_FIROne_Direct_S16_ISfs (
+ OMX_S16 *pValResult,
+ const OMX_S16 *pTapsQ15,
+ OMX_INT tapsLen,
+ OMX_S16 *pDelayLine,
+ OMX_INT *pDelayLineIndex,
+ OMX_INT scaleFactor
+);
+
+
+
+/**
+ * Function: omxSP_IIR_Direct_S16 (2.2.3.2.1)
+ *
+ * Description:
+ * Block IIR filtering for 16-bit data. This function applies the direct form
+ * II IIR filter defined by the coefficient vector pTaps to a vector of input
+ * data. The internal accumulator width must be at least 32 bits, and the
+ * result is saturated if the operation produces a value outside the range of
+ * a signed 16-bit integer, i.e., the output will saturate to 0x8000 (-32768)
+ * for a negative overflow or 0x7fff (32767) for a positive overflow. The
+ * result is undefined if any of the partially accumulated values exceeds the
+ * range of a signed 32-bit integer.
+ *
+ * Input Arguments:
+ *
+ * pSrc - pointer to the vector of input samples to which the
+ * filter is applied
+ * len - the number of samples contained in both the input and output
+ * vectors
+ * pTaps - pointer to the 2L+2-element vector that contains the combined
+ * numerator and denominator filter coefficients from the system
+ * transfer function, H(z). Coefficient scaling and coefficient
+ * vector organization should follow the conventions described
+ * above. The value of the coefficient scaleFactor exponent must be
+ * non-negative (sf=0).
+ * order - the maximum of the degrees of the numerator and denominator
+ * coefficient polynomials from the system transfer function, H(z).
+ * In the notation of section 2.2.3.2, the parameter
+ * order=max(K,M)=L gives the maximum delay, in samples, used to
+ * compute each output sample.
+ * pDelayLine - pointer to the L-element filter memory buffer (state). The
+ * user is responsible for allocation, initialization, and
+ * deallocation. The filter memory elements are initialized to zero
+ * in most applications.
+ *
+ * Output Arguments:
+ *
+ * pDst - pointer to the vector of filtered output samples
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - one or more of the following pointers is NULL:
+ * - pSrc,
+ * - pDst,
+ * - pTaps, or
+ * - pDelayLine.
+ * - len < 0
+ * - pTaps[order+1] < 0 (negative scaling)
+ * - order < 1
+ *
+ */
+OMXResult omxSP_IIR_Direct_S16 (
+ const OMX_S16 *pSrc,
+ OMX_S16 *pDst,
+ OMX_INT len,
+ const OMX_S16 *pTaps,
+ OMX_INT order,
+ OMX_S32 *pDelayLine
+);
+
+
+
+/**
+ * Function: omxSP_IIR_Direct_S16_I (2.2.3.2.1)
+ *
+ * Description:
+ * Block IIR filtering for 16-bit data. This function applies the direct form
+ * II IIR filter defined by the coefficient vector pTaps to a vector of input
+ * data. The internal accumulator width must be at least 32 bits, and the
+ * result is saturated if the operation produces a value outside the range of
+ * a signed 16-bit integer, i.e., the output will saturate to 0x8000 (-32768)
+ * for a negative overflow or 0x7fff (32767) for a positive overflow. The
+ * result is undefined if any of the partially accumulated values exceeds the
+ * range of a signed 32-bit integer.
+ *
+ * Input Arguments:
+ *
+ * pSrcDst - pointer to the vector of input samples to which the
+ * filter is applied
+ * len - the number of samples contained in both the input and output
+ * vectors
+ * pTaps - pointer to the 2L+2-element vector that contains the combined
+ * numerator and denominator filter coefficients from the system
+ * transfer function, H(z). Coefficient scaling and coefficient
+ * vector organization should follow the conventions described
+ * above. The value of the coefficient scaleFactor exponent must be
+ * non-negative (sf>=0).
+ * order - the maximum of the degrees of the numerator and denominator
+ * coefficient polynomials from the system transfer function, H(z).
+ * In the notation of section 2.2.3.2, the parameter
+ * order=max(K,M)=L gives the maximum delay, in samples, used to
+ * compute each output sample.
+ * pDelayLine - pointer to the L-element filter memory buffer (state). The
+ * user is responsible for allocation, initialization, and
+ * deallocation. The filter memory elements are initialized to zero
+ * in most applications.
+ *
+ * Output Arguments:
+ *
+ * pSrcDst - pointer to the vector of filtered output samples
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - one or more of the following pointers is NULL:
+ * - pSrcDst,
+ * - pTaps, or
+ * - pDelayLine.
+ * - len < 0
+ * - pTaps[order+1] < 0 (negative scaling)
+ * - order < 1
+ *
+ */
+OMXResult omxSP_IIR_Direct_S16_I (
+ OMX_S16 *pSrcDst,
+ OMX_INT len,
+ const OMX_S16 *pTaps,
+ OMX_INT order,
+ OMX_S32 *pDelayLine
+);
+
+
+
+/**
+ * Function: omxSP_IIROne_Direct_S16 (2.2.3.2.2)
+ *
+ * Description:
+ * Single sample IIR filtering for 16-bit data. This function applies the
+ * direct form II IIR filter defined by the coefficient vector pTaps to a
+ * single sample of input data. The internal accumulator width must be at
+ * least 32 bits, and the result is saturated if the operation produces a
+ * value outside the range of a signed 16-bit integer, i.e., the output will
+ * saturate to 0x8000 (-32768) for a negative overflow or 0x7fff (32767) for a
+ * positive overflow. The result is undefined if any of the partially
+ * accumulated values exceeds the range of a signed 32-bit integer.
+ *
+ * Input Arguments:
+ *
+ * val - the single input sample to which the filter is
+ * applied.
+ * pTaps - pointer to the 2L+2 -element vector that contains the combined
+ * numerator and denominator filter coefficients from the system
+ * transfer function, H(z). Coefficient scaling and coefficient
+ * vector organization should follow the conventions described
+ * above. The value of the coefficient scaleFactor exponent must be
+ * non-negative (sf>=0).
+ * order - the maximum of the degrees of the numerator and denominator
+ * coefficient polynomials from the system transfer function, H(z).
+ * In the notation of section 2.2.3.2, the parameter
+ * order=max(K,M)=L gives the maximum delay, in samples, used to
+ * compute each output sample.
+ * pDelayLine - pointer to the L-element filter memory buffer (state). The
+ * user is responsible for allocation, initialization, and
+ * deallocation. The filter memory elements are initialized to zero
+ * in most applications.
+ *
+ * Output Arguments:
+ *
+ * pResult - pointer to the filtered output sample
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - one or more of the following pointers is NULL: pResult,
+ * pTaps, or pDelayLine.
+ * - order < 1
+ * - pTaps[order+1] < 0 (negative scaling)
+ *
+ */
+OMXResult omxSP_IIROne_Direct_S16 (
+ OMX_S16 val,
+ OMX_S16 *pResult,
+ const OMX_S16 *pTaps,
+ OMX_INT order,
+ OMX_S32 *pDelayLine
+);
+
+
+
+/**
+ * Function: omxSP_IIROne_Direct_S16_I (2.2.3.2.2)
+ *
+ * Description:
+ * Single sample IIR filtering for 16-bit data. This function applies the
+ * direct form II IIR filter defined by the coefficient vector pTaps to a
+ * single sample of input data. The internal accumulator width must be at
+ * least 32 bits, and the result is saturated if the operation produces a
+ * value outside the range of a signed 16-bit integer, i.e., the output will
+ * saturate to 0x8000 (-32768) for a negative overflow or 0x7fff (32767) for a
+ * positive overflow. The result is undefined if any of the partially
+ * accumulated values exceeds the range of a signed 32-bit integer.
+ *
+ * Input Arguments:
+ *
+ * pValResult - pointer to the single input sample to which the filter is
+ * applied.
+ * pTaps - pointer to the 2L+2 -element vector that contains the combined
+ * numerator and denominator filter coefficients from the system
+ * transfer function, H(z). Coefficient scaling and coefficient
+ * vector organization should follow the conventions described
+ * above. The value of the coefficient scaleFactor exponent must be
+ * non-negative (sf>=0).
+ * order - the maximum of the degrees of the numerator and denominator
+ * coefficient polynomials from the system transfer function, H(z).
+ * In the notation of section 2.2.3.2, the parameter
+ * order=max(K,M)=L gives the maximum delay, in samples, used to
+ * compute each output sample.
+ * pDelayLine - pointer to the L-element filter memory buffer (state). The
+ * user is responsible for allocation, initialization, and
+ * deallocation. The filter memory elements are initialized to zero
+ * in most applications.
+ *
+ * Output Arguments:
+ *
+ * pValResult - pointer to the filtered output sample
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - one or more of the following pointers is NULL:
+ * pValResult, pTaps, or pDelayLine.
+ * - order < 1
+ * - pTaps[order+1] < 0 (negative scaling)
+ *
+ */
+OMXResult omxSP_IIROne_Direct_S16_I (
+ OMX_S16 *pValResult,
+ const OMX_S16 *pTaps,
+ OMX_INT order,
+ OMX_S32 *pDelayLine
+);
+
+
+
+/**
+ * Function: omxSP_IIR_BiQuadDirect_S16 (2.2.3.3.1)
+ *
+ * Description:
+ * Block biquad IIR filtering for 16-bit data type. This function applies the
+ * direct form II biquad IIR cascade defined by the coefficient vector pTaps
+ * to a vector of input data. The internal accumulator width must be at least
+ * 32 bits, and the result is saturated if the operation produces a value
+ * outside the range of a signed 16-bit integer, i.e., the output will
+ * saturate to 0x8000 (-32768) for a negative overflow or 0x7fff (32767) for a
+ * positive overflow. The result is undefined if any of the partially
+ * accumulated values exceeds the range of a signed 32-bit integer.
+ *
+ * Input Arguments:
+ *
+ * pSrc - pointer to the vector of input samples to which the
+ * filter is applied
+ * len - the number of samples contained in both the input and output
+ * vectors
+ * pTaps - pointer to the 6P -element vector that contains the combined
+ * numerator and denominator filter coefficients from the biquad
+ * cascade. Coefficient scaling and coefficient vector organization
+ * should follow the conventions described above. The value of the
+ * coefficient scaleFactor exponent must be non-negative. (sfp>=0).
+ * numBiquad - the number of biquads contained in the IIR filter cascade:
+ * (P)
+ * pDelayLine - pointer to the 2P -element filter memory buffer (state).
+ * The user is responsible for allocation, initialization, and
+ * de-allocation. The filter memory elements are initialized to
+ * zero in most applications.
+ *
+ * Output Arguments:
+ *
+ * pDst - pointer to the vector of filtered output samples
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - one or more of the following pointers is NULL: pSrc, pDst,
+ * pTaps, or pDelayLine.
+ * - len < 0
+ * - numBiquad < 1
+ * - pTaps[3+n*6] < 0, for 0 <= n < numBiquad (negative scaling)
+ *
+ */
+OMXResult omxSP_IIR_BiQuadDirect_S16 (
+ const OMX_S16 *pSrc,
+ OMX_S16 *pDst,
+ OMX_INT len,
+ const OMX_S16 *pTaps,
+ OMX_INT numBiquad,
+ OMX_S32 *pDelayLine
+);
+
+
+
+/**
+ * Function: omxSP_IIR_BiQuadDirect_S16_I (2.2.3.3.1)
+ *
+ * Description:
+ * Block biquad IIR filtering for 16-bit data type. This function applies the
+ * direct form II biquad IIR cascade defined by the coefficient vector pTaps
+ * to a vector of input data. The internal accumulator width must be at least
+ * 32 bits, and the result is saturated if the operation produces a value
+ * outside the range of a signed 16-bit integer, i.e., the output will
+ * saturate to 0x8000 (-32768) for a negative overflow or 0x7fff (32767) for a
+ * positive overflow. The result is undefined if any of the partially
+ * accumulated values exceeds the range of a signed 32-bit integer.
+ *
+ * Input Arguments:
+ *
+ * pSrcDst - pointer to the vector of input samples to which the
+ * filter is applied
+ * len - the number of samples contained in both the input and output
+ * vectors
+ * pTaps - pointer to the 6P -element vector that contains the combined
+ * numerator and denominator filter coefficients from the biquad
+ * cascade. Coefficient scaling and coefficient vector organization
+ * should follow the conventions described above. The value of the
+ * coefficient scaleFactor exponent must be non-negative. (sfp>=0).
+ * numBiquad - the number of biquads contained in the IIR filter cascade:
+ * (P)
+ * pDelayLine - pointer to the 2P -element filter memory buffer (state).
+ * The user is responsible for allocation, initialization, and
+ * de-allocation. The filter memory elements are initialized to
+ * zero in most applications.
+ *
+ * Output Arguments:
+ *
+ * pSrcDst - pointer to the vector of filtered output samples
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - one or more of the following pointers is NULL:
+ * pSrcDst, pTaps, or pDelayLine.
+ * - len < 0
+ * - numBiquad < 1
+ * - pTaps[3+n*6] < 0, for 0 <= n < numBiquad (negative scaling)
+ *
+ */
+OMXResult omxSP_IIR_BiQuadDirect_S16_I (
+ OMX_S16 *pSrcDst,
+ OMX_INT len,
+ const OMX_S16 *pTaps,
+ OMX_INT numBiquad,
+ OMX_S32 *pDelayLine
+);
+
+
+
+/**
+ * Function: omxSP_IIROne_BiQuadDirect_S16 (2.2.3.3.2)
+ *
+ * Description:
+ * Single-sample biquad IIR filtering for 16-bit data type. This function
+ * applies the direct form II biquad IIR cascade defined by the coefficient
+ * vector pTaps to a single sample of input data. The internal accumulator
+ * width must be at least 32 bits, and the result is saturated if the
+ * operation produces a value outside the range of a signed 16-bit integer,
+ * i.e., the output will saturate to 0x8000 (-32768) for a negative overflow
+ * or 0x7fff (32767) for a positive overflow. The result is undefined if any
+ * of the partially accumulated values exceeds the range of a signed 32-bit
+ * integer.
+ *
+ * Input Arguments:
+ *
+ * val - the single input sample to which the filter is
+ * applied.
+ * pTaps - pointer to the 6P-element vector that contains the combined
+ * numerator and denominator filter coefficients from the biquad
+ * cascade. Coefficient scaling and coefficient vector organization
+ * should follow the conventions described above. The value of the
+ * coefficient scalefactor exponent must be non-negative: (sfp>=0).
+ * numBiquad - the number of biquads contained in the IIR filter cascade:
+ * (P)
+ * pDelayLine - pointer to the 2p-element filter memory buffer (state). The
+ * user is responsible for allocation, initialization, and
+ * deallocation. The filter memory elements are initialized to zero
+ * in most applications.
+ *
+ * Output Arguments:
+ *
+ * pResult - pointer to the filtered output sample
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - one or more of the following pointers is NULL: pResult,
+ * pValResult, pTaps, or pDelayLine.
+ * - numBiquad < 1
+ * - pTaps[3+n*6] < 0, for 0 <= n < numBiquad (negative scaling)
+ *
+ */
+OMXResult omxSP_IIROne_BiQuadDirect_S16 (
+ OMX_S16 val,
+ OMX_S16 *pResult,
+ const OMX_S16 *pTaps,
+ OMX_INT numBiquad,
+ OMX_S32 *pDelayLine
+);
+
+
+
+/**
+ * Function: omxSP_IIROne_BiQuadDirect_S16_I (2.2.3.3.2)
+ *
+ * Description:
+ * Single-sample biquad IIR filtering for 16-bit data type. This function
+ * applies the direct form II biquad IIR cascade defined by the coefficient
+ * vector pTaps to a single sample of input data. The internal accumulator
+ * width must be at least 32 bits, and the result is saturated if the
+ * operation produces a value outside the range of a signed 16-bit integer,
+ * i.e., the output will saturate to 0x8000 (-32768) for a negative overflow
+ * or 0x7fff (32767) for a positive overflow. The result is undefined if any
+ * of the partially accumulated values exceeds the range of a signed 32-bit
+ * integer.
+ *
+ * Input Arguments:
+ *
+ * pValResult - pointer to the single input sample to which the filter is
+ * applied.
+ * pTaps - pointer to the 6P-element vector that contains the combined
+ * numerator and denominator filter coefficients from the biquad
+ * cascade. Coefficient scaling and coefficient vector organization
+ * should follow the conventions described above. The value of the
+ * coefficient scalefactor exponent must be non-negative: (sfp>=0).
+ * numBiquad - the number of biquads contained in the IIR filter cascade:
+ * (P)
+ * pDelayLine - pointer to the 2p-element filter memory buffer (state). The
+ * user is responsible for allocation, initialization, and
+ * deallocation. The filter memory elements are initialized to zero
+ * in most applications.
+ *
+ * Output Arguments:
+ *
+ * pValResult - pointer to the filtered output sample
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - one or more of the following pointers is NULL:
+ * pValResult, pTaps, or pDelayLine.
+ * - numBiquad < 1
+ * - pTaps[3+n*6] < 0, for 0 <= n < numBiquad (negative scaling)
+ *
+ */
+OMXResult omxSP_IIROne_BiQuadDirect_S16_I (
+ OMX_S16 *pValResult,
+ const OMX_S16 *pTaps,
+ OMX_INT numBiquad,
+ OMX_S32 *pDelayLine
+);
+
+
+
+/**
+ * Function: omxSP_FilterMedian_S32 (2.2.3.4.1)
+ *
+ * Description:
+ * This function computes the median over the region specified by the median
+ * mask for the every element of the input array. The median outputs are
+ * stored in the corresponding elements of the output vector.
+ *
+ * Input Arguments:
+ *
+ * pSrc - pointer to the input vector
+ * len - number of elements contained in the input and output vectors (0 <
+ * len < 65536)
+ * maskSize - median mask size; if an even value is specified, the function
+ * subtracts 1 and uses the odd value of the filter mask for median
+ * filtering (0 < maskSize < 256)
+ *
+ * Output Arguments:
+ *
+ * pDst - pointer to the median-filtered output vector
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - one or more of the following pointers is NULL: pSrc, pDst.
+ * - len < 0
+ * - maskSize < 1 or maskSize> 255
+ * OMX_StsSP_EvenMedianMaskSizeErr - even mask size replaced by odd mask
+ * size
+ *
+ */
+OMXResult omxSP_FilterMedian_S32 (
+ const OMX_S32 *pSrc,
+ OMX_S32 *pDst,
+ OMX_INT len,
+ OMX_INT maskSize
+);
+
+
+
+/**
+ * Function: omxSP_FilterMedian_S32_I (2.2.3.4.1)
+ *
+ * Description:
+ * This function computes the median over the region specified by the median
+ * mask for the every element of the input array. The median outputs are
+ * stored in the corresponding elements of the output vector.
+ *
+ * Input Arguments:
+ *
+ * pSrcDst - pointer to the input vector
+ * len - number of elements contained in the input and output vectors (0 <
+ * len < 65536)
+ * maskSize - median mask size; if an even value is specified, the function
+ * subtracts 1 and uses the odd value of the filter mask for median
+ * filtering (0 < maskSize < 256)
+ *
+ * Output Arguments:
+ *
+ * pSrcDst - pointer to the median-filtered output vector
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - pSrcDst is NULL.
+ * - len < 0
+ * - maskSize < 1 or maskSize> 255
+ * OMX_StsSP_EvenMedianMaskSizeErr - even mask size replaced by odd mask
+ * size
+ *
+ */
+OMXResult omxSP_FilterMedian_S32_I (
+ OMX_S32 *pSrcDst,
+ OMX_INT len,
+ OMX_INT maskSize
+);
+
+
+
+/**
+ * Function: omxSP_FFTInit_C_SC16 (2.2.4.1.2)
+ *
+ * Description:
+ * These functions initialize the specification structures required for the
+ * complex FFT and IFFT functions. Desired block length is specified as an
+ * input. The function <FFTInit_C_SC16> is used to initialize the
+ * specification structures for functions <FFTFwd_CToC_SC16_Sfs> and
+ * <FFTInv_CToC_SC16_Sfs>.
+ *
+ * Memory for the specification structure *pFFTSpec
+ * must be allocated prior to calling these functions and should be 4-byte
+ * aligned for omxSP_FFTInit_C_SC16.
+ *
+ * The space required for *pFFTSpec, in bytes, can be
+ * determined using <FFTGetBufSize_C_SC16>.
+ *
+ * Input Arguments:
+ *
+ * order - base-2 logarithm of the desired block length;
+ * valid in the range [0,12]
+ *
+ * Output Arguments:
+ *
+ * pFFTSpec - pointer to initialized specification structure
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr -no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - pFFTSpec is either NULL or violates the 4-byte alignment
+ * restrictions
+ * - order < 0 or order > 12
+ *
+ */
+OMXResult omxSP_FFTInit_C_SC16 (
+ OMXFFTSpec_C_SC16 *pFFTSpec,
+ OMX_INT order
+);
+
+
+
+/**
+ * Function: omxSP_FFTInit_C_SC32 (2.2.4.1.2)
+ *
+ * Description:
+ * These functions initialize the specification structures required for the
+ * complex FFT and IFFT functions. Desired block length is specified as an
+ * input. The function <FFTInit_C_SC32> is used to initialize
+ * the specification structures for the functions <FFTFwd_CToC_SC32_Sfs> and
+ * <FFTInv_CToC_SC32_Sfs>.
+ *
+ * Memory for the specification structure *pFFTSpec must be allocated prior
+ * to calling these functions and should be 8-byte aligned for
+ * omxSP_FFTInit_C_SC32.
+ *
+ * The space required for *pFFTSpec, in bytes, can be
+ * determined using <FFTGetBufSize_C_SC32>.
+ *
+ * Input Arguments:
+ *
+ * order - base-2 logarithm of the desired block length; valid in the range
+ * [0,12]
+ *
+ * Output Arguments:
+ *
+ * pFFTSpec - pointer to initialized specification structure
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr -no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - pFFTSpec is either NULL or violates the 8-byte alignment
+ * restrictions
+ * - order < 0 or order > 12
+ *
+ */
+OMXResult omxSP_FFTInit_C_SC32 (
+ OMXFFTSpec_C_SC32 *pFFTSpec,
+ OMX_INT order
+);
+
+/**
+ * Function: omxSP_FFTInit_C_FC32 (2.2.4.1.2)
+ *
+ * Description:
+ * These functions initialize the specification structures required for the
+ * complex FFT and IFFT functions. Desired block length is specified as an
+ * input. The function <FFTInit_C_FC32> is used to initialize
+ * the specification structures for the functions <FFTFwd_CToC_FC32_Sfs> and
+ * <FFTInv_CToC_FC32_Sfs>.
+ *
+ * Memory for the specification structure *pFFTSpec must be allocated prior
+ * to calling these functions and should be 8-byte aligned for
+ * omxSP_FFTInit_C_FC32.
+ *
+ * The space required for *pFFTSpec, in bytes, can be
+ * determined using <FFTGetBufSize_C_FC32>.
+ *
+ * Input Arguments:
+ *
+ * order - base-2 logarithm of the desired block length; valid in the range
+ * [0,12]
+ *
+ * Output Arguments:
+ *
+ * pFFTSpec - pointer to initialized specification structure
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr -no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - pFFTSpec is either NULL or violates the 8-byte alignment
+ * restrictions
+ * - order < 0 or order > 12
+ *
+ */
+OMXResult omxSP_FFTInit_C_FC32(
+ OMXFFTSpec_C_FC32* pFFTSpec,
+ OMX_INT order
+);
+
+
+
+/**
+ * Function: omxSP_FFTInit_R_S16S32 (2.2.4.1.4)
+ *
+ * Description:
+ * These functions initialize specification structures required for the real
+ * FFT and IFFT functions. The function <FFTInit_R_S16S32> is used to
+ * initialize the specification structures for functions
+ * <FFTFwd_RToCCS_S16S32_Sfs> and <FFTInv_CCSToR_S32S16_Sfs>.
+ *
+ * Memory for
+ * *pFFTFwdSpec must be allocated before calling these functions and should be
+ * 8-byte aligned. The number of bytes required for *pFFTFwdSpec can be
+ * determined using <FFTGetBufSize_R_S16S32>.
+ *
+ * Input Arguments:
+ *
+ * order - base-2 logarithm of the desired block length; valid in the range
+ * [0,12]
+ *
+ * Output Arguments:
+ *
+ * pFFTFwdSpec - pointer to the initialized specification structure
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - pFFTFwdSpec is either NULL or violates the 8-byte alignment
+ * restrictions
+ * - order < 0 or order > 12
+ *
+ */
+OMXResult omxSP_FFTInit_R_S16S32(
+ OMXFFTSpec_R_S16S32* pFFTFwdSpec,
+ OMX_INT order
+);
+
+
+
+/**
+ * Function: omxSP_FFTInit_R_S32 (2.2.4.1.4)
+ *
+ * Description:
+ * These functions initialize specification structures required for the real
+ * FFT and IFFT functions. The function <FFTInit_R_S32> is used to initialize
+ * the specification structures for functions <FFTFwd_RToCCS_S32_Sfs>
+ * and <FFTInv_CCSToR_S32_Sfs>.
+ *
+ * Memory for *pFFTFwdSpec must be allocated before calling these functions
+ * and should be 8-byte aligned.
+ *
+ * The number of bytes required for *pFFTFwdSpec can be
+ * determined using <FFTGetBufSize_R_S32>.
+ *
+ * Input Arguments:
+ *
+ * order - base-2 logarithm of the desired block length; valid in the range
+ * [0,12]
+ *
+ * Output Arguments:
+ *
+ * pFFTFwdSpec - pointer to the initialized specification structure
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - pFFTFwdSpec is either NULL or violates the 8-byte alignment
+ * restrictions
+ * - order < 0 or order > 12
+ *
+ */
+OMXResult omxSP_FFTInit_R_S32 (
+ OMXFFTSpec_R_S32*pFFTFwdSpec,
+ OMX_INT order
+);
+
+/**
+ * Function: omxSP_FFTInit_R_F32
+ *
+ * Description:
+ * These functions initialize specification structures required for the real
+ * FFT and IFFT functions. The function <FFTInit_R_F32> is used to initialize
+ * the specification structures for functions <FFTFwd_RToCCS_F32_Sfs>
+ * and <FFTInv_CCSToR_F32_Sfs>.
+ *
+ * Memory for *pFFTFwdSpec must be allocated before calling these functions
+ * and should be 8-byte aligned.
+ *
+ * The number of bytes required for *pFFTFwdSpec can be
+ * determined using <FFTGetBufSize_R_F32>.
+ *
+ * Input Arguments:
+ *
+ * order - base-2 logarithm of the desired block length; valid in the range
+ * [0,12]
+ *
+ * Output Arguments:
+ *
+ * pFFTFwdSpec - pointer to the initialized specification structure
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - pFFTFwdSpec is either NULL or violates the 8-byte alignment
+ * restrictions
+ * - order < 0 or order > 12
+ *
+ */
+OMXResult omxSP_FFTInit_R_F32(
+ OMXFFTSpec_R_F32* pFFTFwdSpec,
+ OMX_INT order
+);
+
+/**
+ * Function: omxSP_FFTGetBufSize_C_SC16 (2.2.4.1.6)
+ *
+ * Description:
+ * These functions compute the size of the specification structure
+ * required for the length 2^order complex FFT and IFFT functions. The function
+ * <FFTGetBufSize_C_SC16> is used in conjunction with the 16-bit functions
+ * <FFTFwd_CToC_SC16_Sfs> and <FFTInv_CToC_SC16_Sfs>.
+ *
+ * Input Arguments:
+ *
+ * order - base-2 logarithm of the desired block length; valid in the range
+ * [0,12]
+ *
+ * Output Arguments:
+ *
+ * pSize - pointer to the number of bytes required for the specification
+ * structure
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - pSize is NULL
+ * - order < 0 or order > 12
+ *
+ */
+OMXResult omxSP_FFTGetBufSize_C_SC16 (
+ OMX_INT order,
+ OMX_INT *pSize
+);
+
+
+
+/**
+ * Function: omxSP_FFTGetBufSize_C_SC32 (2.2.4.1.6)
+ *
+ * Description:
+ * These functions compute the size of the specification structure
+ * required for the length 2^order complex FFT and IFFT functions. The function
+ * <FFTGetBufSize_C_SC32> is used in conjunction with the 32-bit functions
+ * <FFTFwd_CToC_SC32_Sfs> and <FFTInv_CToC_SC32_Sfs>.
+ *
+ * Input Arguments:
+ *
+ * order - base-2 logarithm of the desired block length; valid in the range
+ * [0,12]
+ *
+ * Output Arguments:
+ *
+ * pSize - pointer to the number of bytes required for the specification
+ * structure
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - pSize is NULL
+ * - order < 0 or order > 12
+ *
+ */
+OMXResult omxSP_FFTGetBufSize_C_SC32 (
+ OMX_INT order,
+ OMX_INT *pSize
+);
+
+/**
+ * Function: omxSP_FFTGetBufSize_C_FC32
+ *
+ * Description:
+ * These functions compute the size of the specification structure
+ * required for the length 2^order complex FFT and IFFT functions. The function
+ * <FFTGetBufSize_C_FC32> is used in conjunction with the 32-bit functions
+ * <FFTFwd_CToC_FC32_Sfs> and <FFTInv_CToC_FC32_Sfs>.
+ *
+ * Input Arguments:
+ *
+ * order - base-2 logarithm of the desired block length; valid in the range
+ * [0,12]
+ *
+ * Output Arguments:
+ *
+ * pSize - pointer to the number of bytes required for the specification
+ * structure
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments; returned if one or more of the
+ * following is true:
+ * - pSize is NULL
+ * - order < 0 or order > 12
+ *
+ */
+OMXResult omxSP_FFTGetBufSize_C_FC32(
+ OMX_INT order,
+ OMX_INT* pSize
+);
+
+
+/**
+ * Function: omxSP_FFTGetBufSize_R_S16S32 (2.2.4.1.8)
+ *
+ * Description:
+ * order These functions compute the size of the specification structure
+ * required for the length 2^order real FFT and IFFT functions. The function
+ * <FFTGetBufSize_R_S16S32> is used in conjunction with the 16-bit functions
+ * <FFTFwd_RToCCS_S16S32_Sfs> and <FFTInv_CCSToR_S32S16_Sfs>.
+ *
+ * Input Arguments:
+ *
+ * order - base-2 logarithm of the length; valid in the range [0,12]
+ *
+ * Output Arguments:
+ *
+ * pSize - pointer to the number of bytes required for the specification
+ * structure
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments The function returns
+ * OMX_Sts_BadArgErr if one or more of the following is true:
+ * pSize is NULL
+ * order < 0 or order > 12
+ *
+ */
+OMXResult omxSP_FFTGetBufSize_R_S16S32(
+ OMX_INT order,
+ OMX_INT* pSize
+);
+
+
+
+/**
+ * Function: omxSP_FFTGetBufSize_R_S32 (2.2.4.1.8)
+ *
+ * Description:
+ * These functions compute the size of the specification structure
+ * required for the length 2^order real FFT and IFFT functions. The function
+ * <FFTGetBufSize_R_S32> is used in conjunction with the 32-bit functions
+ * <FFTFwd_RToCCS_S32_Sfs> and <FFTInv_CCSToR_S32_Sfs>.
+ *
+ * Input Arguments:
+ *
+ * order - base-2 logarithm of the length; valid in the range [0,12]
+ *
+ * Output Arguments:
+ *
+ * pSize - pointer to the number of bytes required for the specification
+ * structure
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments The function returns
+ * OMX_Sts_BadArgErr if one or more of the following is true:
+ * pSize is NULL
+ * order < 0 or order > 12
+ *
+ */
+OMXResult omxSP_FFTGetBufSize_R_S32 (
+ OMX_INT order,
+ OMX_INT *pSize
+);
+
+/**
+ * Function: omxSP_FFTGetBufSize_R_F32
+ *
+ * Description:
+ * These functions compute the size of the specification structure
+ * required for the length 2^order real FFT and IFFT functions. The function
+ * <FFTGetBufSize_R_F32> is used in conjunction with the 32-bit functions
+ * <FFTFwd_RToCCS_F32_Sfs> and <FFTInv_CCSToR_F32_Sfs>.
+ *
+ * Input Arguments:
+ *
+ * order - base-2 logarithm of the length; valid in the range [0,12]
+ *
+ * Output Arguments:
+ *
+ * pSize - pointer to the number of bytes required for the specification
+ * structure
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments The function returns
+ * OMX_Sts_BadArgErr if one or more of the following is true:
+ * pSize is NULL
+ * order < 0 or order > 12
+ *
+ */
+OMXResult omxSP_FFTGetBufSize_R_F32(
+ OMX_INT order,
+ OMX_INT* pSize
+);
+
+
+
+/**
+ * Function: omxSP_FFTFwd_CToC_SC16_Sfs (2.2.4.2.2)
+ *
+ * Description:
+ * Compute an FFT for a complex signal of length of 2^order,
+ * where 0 <= order <= 12.
+ * Transform length is determined by the specification structure, which
+ * must be initialized prior to calling the FFT function using the appropriate
+ * helper, i.e., <FFTInit_C_sc32> or <FFTInit_C_SC16>. The relationship
+ * between the input and output sequences can be expressed in terms of the
+ * DFT, i.e.,
+ *
+ * X[k] = 2^(-scaleFactor) . SUM[n=0...N-1]x[n].e^(-jnk.2.pi/N)
+ * k = 0,1,2,..., N-1
+ * N = 2^order
+ *
+ * Input Arguments:
+ * pSrc - pointer to the input signal, a complex-valued vector of length 2^order;
+ * must be aligned on a 32 byte boundary.
+ * pFFTSpec - pointer to the preallocated and initialized specification
+ * structure
+ * scaleFactor - output scale factor; the range for is [0,16]
+ *
+ * Output Arguments:
+ * pDst - pointer to the complex-valued output vector, of length 2^order;
+ * must be aligned on an 32-byte boundary.
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - returned if one or more of the following conditions
+ * is true:
+ * - one or more of the following pointers is NULL: pSrc, pDst, or
+ * pFFTSpec.
+ * - pSrc or pDst is not 32-byte aligned
+ * - scaleFactor<0 or scaleFactor>16
+ *
+ */
+
+OMXResult omxSP_FFTFwd_CToC_SC16_Sfs (
+ const OMX_SC16 *pSrc,
+ OMX_SC16 *pDst,
+ const OMXFFTSpec_C_SC16 *pFFTSpec,
+ OMX_INT scaleFactor
+);
+
+OMXResult omxSP_FFTFwd_CToC_SC16_Sfs_neon (
+ const OMX_SC16 *pSrc,
+ OMX_SC16 *pDst,
+ const OMXFFTSpec_C_SC16 *pFFTSpec,
+ OMX_INT scaleFactor
+);
+
+/**
+ * Function: omxSP_FFTFwd_CToC_SC32_Sfs (2.2.4.2.2)
+ *
+ * Description:
+ * Compute an FFT for a complex signal of length of 2^order,
+ * where 0 <= order <= 12.
+ * Transform length is determined by the specification structure, which
+ * must be initialized prior to calling the FFT function using the appropriate
+ * helper, i.e., <FFTInit_C_sc32> or <FFTInit_C_SC16>. The relationship
+ * between the input and output sequences can be expressed in terms of the
+ * DFT, i.e.,
+ *
+ * X[k] = 2^(-scaleFactor) . SUM[n=0...N-1]x[n].e^(-jnk.2.pi/N)
+ * k = 0,1,2,..., N-1
+ * N = 2^order
+ *
+ * Input Arguments:
+ * pSrc - pointer to the input signal, a complex-valued vector of length 2^order;
+ * must be aligned on a 32 byte boundary.
+ * pFFTSpec - pointer to the preallocated and initialized specification
+ * structure
+ * scaleFactor - output scale factor; the range is [0,32]
+ *
+ * Output Arguments:
+ * pDst - pointer to the complex-valued output vector, of length 2^order; must be
+ * aligned on an 32-byte boundary.
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - returned if one or more of the following conditions
+ * is true:
+ * - one or more of the following pointers is NULL: pSrc, pDst, or
+ * pFFTSpec.
+ * - pSrc or pDst is not 32-byte aligned
+ * - scaleFactor<0 or scaleFactor >32
+ *
+ */
+OMXResult omxSP_FFTFwd_CToC_SC32_Sfs (
+ const OMX_SC32 *pSrc,
+ OMX_SC32 *pDst,
+ const OMXFFTSpec_C_SC32 *pFFTSpec,
+ OMX_INT scaleFactor
+);
+
+
+
+/**
+ * Function: omxSP_FFTInv_CToC_SC16_Sfs (2.2.4.2.4)
+ *
+ * Description:
+ * These functions compute an inverse FFT for a complex signal of length
+ * of 2^order, where 0 <= order <= 12. Transform length is determined by the
+ * specification structure, which must be initialized prior to calling the FFT
+ * function using the appropriate helper, i.e., <FFTInit_C_sc32> or
+ * <FFTInit_C_SC16>. The relationship between the input and output sequences
+ * can be expressed in terms of the IDFT, i.e.:
+ *
+ * x[n] = (2^(-scalefactor)/N) . SUM[k=0,...,N-1] X[k].e^(jnk.2.pi/N)
+ * n=0,1,2,...N-1
+ * N=2^order.
+ *
+ * Input Arguments:
+ * pSrc - pointer to the complex-valued input signal, of length 2^order ;
+ * must be aligned on a 32-byte boundary.
+ * pFFTSpec - pointer to the preallocated and initialized specification
+ * structure
+ * scaleFactor - scale factor of the output. Valid value is 0
+ * only.
+ *
+ * Output Arguments:
+ * order
+ * pDst - pointer to the complex-valued output signal, of length 2^order;
+ * must be aligned on a 32-byte boundary.
+ *
+ * Return Value:
+ *
+ * Positive value - the shift scale that was performed inside
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - returned if one or more of the following conditions
+ * is true:
+ * - one or more of the following pointers is NULL: pSrc, pDst, or
+ * pFFTSpec.
+ * - pSrc or pDst is not 32-byte aligned
+ * - scaleFactor<0 or scaleFactor>16
+ *
+ */
+OMXResult omxSP_FFTInv_CToC_SC16_Sfs (
+ const OMX_SC16 *pSrc,
+ OMX_SC16 *pDst,
+ const OMXFFTSpec_C_SC16 *pFFTSpec,
+ OMX_INT scaleFactor
+);
+
+OMXResult omxSP_FFTInv_CToC_SC16_Sfs_neon (
+ const OMX_SC16 *pSrc,
+ OMX_SC16 *pDst,
+ const OMXFFTSpec_C_SC16 *pFFTSpec,
+ OMX_INT scaleFactor
+);
+
+
+
+
+/**
+ * Function: omxSP_FFTInv_CToC_SC32_Sfs (2.2.4.2.4)
+ *
+ * Description:
+ * These functions compute an inverse FFT for a complex signal of length
+ * of 2^order, where 0 <= order <= 12. Transform length is determined by the
+ * specification structure, which must be initialized prior to calling the FFT
+ * function using the appropriate helper, i.e., <FFTInit_C_sc32> or
+ * <FFTInit_C_SC16>. The relationship between the input and output sequences
+ * can be expressed in terms of the IDFT, i.e.:
+ *
+ * x[n] = (2^(-scalefactor)/N) . SUM[k=0,...,N-1] X[k].e^(jnk.2.pi/N)
+ * n=0,1,2,...N-1
+ * N=2^order.
+ *
+ * Input Arguments:
+ * pSrc - pointer to the complex-valued input signal, of length 2^order ;
+ * must be aligned on a 32-byte boundary.
+ * pFFTSpec - pointer to the preallocated and initialized specification
+ * structure
+ * scaleFactor - scale factor of the output. Valid range is [0,32].
+ *
+ * Output Arguments:
+ * order
+ * pDst - pointer to the complex-valued output signal, of length 2^order;
+ * must be aligned on a 32-byte boundary.
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - returned if one or more of the following conditions
+ * is true:
+ * - one or more of the following pointers is NULL: pSrc, pDst, or
+ * pFFTSpec.
+ * - pSrc or pDst is not 32-byte aligned
+ * - scaleFactor<0 or scaleFactor>32
+ *
+ */
+OMXResult omxSP_FFTInv_CToC_SC32_Sfs (
+ const OMX_SC32 *pSrc,
+ OMX_SC32 *pDst,
+ const OMXFFTSpec_C_SC32 *pFFTSpec,
+ OMX_INT scaleFactor
+);
+
+
+
+/**
+ * Function: omxSP_FFTFwd_RToCCS_S16S32_Sfs (2.2.4.4.2)
+ *
+ * Description:
+ * These functions compute an FFT for a real-valued signal of length of 2^order,
+ * where 0 <= order <= 12. Transform length is determined by the
+ * specification structure, which must be initialized prior to calling the FFT
+ * function using the appropriate helper, i.e., <FFTInit_R_S16S32>.
+ * The relationship between the input and output sequences
+ * can be expressed in terms of the DFT, i.e.:
+ *
+ * x[n] = (2^(-scalefactor)/N) . SUM[k=0,...,N-1] X[k].e^(jnk.2.pi/N)
+ * n=0,1,2,...N-1
+ * N=2^order.
+ *
+ * The conjugate-symmetric output sequence is represented using a CCS vector,
+ * which is of length N+2, and is organized as follows:
+ *
+ * Index: 0 1 2 3 4 5 . . . N-2 N-1 N N+1
+ * Component: R0 0 R1 I1 R2 I2 . . . R[N/2-1] I[N/2-1] R[N/2] 0
+ *
+ * where R[n] and I[n], respectively, denote the real and imaginary components
+ * for FFT bin 'n'. Bins are numbered from 0 to N/2, where N is the FFT length.
+ * Bin index 0 corresponds to the DC component, and bin index N/2 corresponds to the
+ * foldover frequency.
+ *
+ * Input Arguments:
+ * pSrc - pointer to the real-valued input sequence, of length 2^order;
+ * must be aligned on a 32-byte boundary.
+ * pFFTSpec - pointer to the preallocated and initialized specification
+ * structure
+ * scaleFactor - output scale factor; valid range is [0, 32]
+ *
+ * Output Arguments:
+ * pDst - pointer to output sequence, represented using CCS format, of
+ * length (2^order)+2; must be aligned on a 32-byte boundary.
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments, if one or more of the following is true:
+ * - one of the pointers pSrc, pDst, or pFFTSpec is NULL
+ * - pSrc or pDst is not aligned on a 32-byte boundary
+ * - scaleFactor<0 or scaleFactor >32
+ *
+ */
+OMXResult omxSP_FFTFwd_RToCCS_S16S32_Sfs (
+ const OMX_S16 *pSrc,
+ OMX_S32 *pDst,
+ const OMXFFTSpec_R_S16S32 *pFFTSpec,
+ OMX_INT scaleFactor
+);
+
+
+
+/**
+ * Function: omxSP_FFTFwd_RToCCS_S32_Sfs (2.2.4.4.2)
+ *
+ * Description:
+ * These functions compute an FFT for a real-valued signal of length of 2^order,
+ * where 0 <= order <= 12. Transform length is determined by the
+ * specification structure, which must be initialized prior to calling the FFT
+ * function using the appropriate helper, i.e., <FFTInit_R_S32>.
+ * The relationship between the input and output sequences
+ * can be expressed in terms of the DFT, i.e.:
+ *
+ * x[n] = (2^(-scalefactor)/N) . SUM[k=0,...,N-1] X[k].e^(jnk.2.pi/N)
+ * n=0,1,2,...N-1
+ * N=2^order.
+ *
+ * The conjugate-symmetric output sequence is represented using a CCS vector,
+ * which is of length N+2, and is organized as follows:
+ *
+ * Index: 0 1 2 3 4 5 . . . N-2 N-1 N N+1
+ * Component: R0 0 R1 I1 R2 I2 . . . R[N/2-1] I[N/2-1] R[N/2] 0
+ *
+ * where R[n] and I[n], respectively, denote the real and imaginary components
+ * for FFT bin 'n'. Bins are numbered from 0 to N/2, where N is the FFT length.
+ * Bin index 0 corresponds to the DC component, and bin index N/2 corresponds to the
+ * foldover frequency.
+ *
+ * Input Arguments:
+ * pSrc - pointer to the real-valued input sequence, of length 2^order;
+ * must be aligned on a 32-byte boundary.
+ * pFFTSpec - pointer to the preallocated and initialized specification
+ * structure
+ * scaleFactor - output scale factor; valid range is [0, 32]
+ *
+ * Output Arguments:
+ * pDst - pointer to output sequence, represented using CCS format, of
+ * length (2^order)+2; must be aligned on a 32-byte boundary.
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments, if one or more of the following is true:
+ * - one of the pointers pSrc, pDst, or pFFTSpec is NULL
+ * - pSrc or pDst is not aligned on a 32-byte boundary
+ * - scaleFactor<0 or scaleFactor >32
+ *
+ */
+OMXResult omxSP_FFTFwd_RToCCS_S32_Sfs (
+ const OMX_S32 *pSrc,
+ OMX_S32 *pDst,
+ const OMXFFTSpec_R_S32 *pFFTSpec,
+ OMX_INT scaleFactor
+);
+
+/**
+ * Function: omxSP_FFTFwd_RToCCS_F32_Sfs
+ *
+ * Description:
+ * These functions compute an FFT for a real-valued signal of length
+ * of 2^order, where 0 <= order <= 12. Transform length is determined
+ * by the specification structure, which must be initialized prior to
+ * calling the FFT function using the appropriate helper, i.e.,
+ * <FFTInit_R_F32>. The relationship between the input and output
+ * sequences can be expressed in terms of the DFT, i.e.:
+ *
+ * x[n] = (2^(-scalefactor)/N) . SUM[k=0,...,N-1] X[k].e^(jnk.2.pi/N)
+ * n=0,1,2,...N-1
+ * N=2^order.
+ *
+ * The conjugate-symmetric output sequence is represented using a CCS vector,
+ * which is of length N+2, and is organized as follows:
+ *
+ * Index: 0 1 2 3 4 5 . . . N-2 N-1 N N+1
+ * Component: R0 0 R1 I1 R2 I2 . . . R[N/2-1] I[N/2-1] R[N/2] 0
+ *
+ * where R[n] and I[n], respectively, denote the real and imaginary
+ * components for FFT bin 'n'. Bins are numbered from 0 to N/2, where
+ * N is the FFT length. Bin index 0 corresponds to the DC component,
+ * and bin index N/2 corresponds to the foldover frequency.
+ *
+ * Input Arguments:
+ * pSrc - pointer to the real-valued input sequence, of length 2^order;
+ * must be aligned on a 32-byte boundary.
+ * pFFTSpec - pointer to the preallocated and initialized specification
+ * structure
+ *
+ * Output Arguments:
+ * pDst - pointer to output sequence, represented using CCS format, of
+ * length (2^order)+2; must be aligned on a 32-byte boundary.
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+
+ * OMX_Sts_BadArgErr - bad arguments, if one or more of the
+ * following is true: - one of the pointers pSrc, pDst, or pFFTSpec
+ * is NULL - pSrc or pDst is not aligned on a 32-byte boundary
+ *
+ */
+OMXResult omxSP_FFTFwd_RToCCS_F32_Sfs(
+ const OMX_F32* pSrc,
+ OMX_F32* pDst,
+ const OMXFFTSpec_R_F32* pFFTSpec
+);
+
+
+
+/**
+ * Function: omxSP_FFTInv_CCSToR_S32S16_Sfs (2.2.4.4.4)
+ *
+ * Description:
+ * These functions compute the inverse FFT for a conjugate-symmetric input
+ * sequence. Transform length is determined by the specification structure,
+ * which must be initialized prior to calling the FFT function using
+ * <FFTInit_R_S16S32>. For a transform of length M, the input sequence is
+ * represented using a packed CCS vector of length M+2, and is organized
+ * as follows:
+ *
+ * Index: 0 1 2 3 4 5 . . . M-2 M-1 M M+1
+ * Component R[0] 0 R[1] I[1] R[2] I[2] . . . R[M/2-1] I[M/2-1] R[M/2] 0
+ *
+ * where R[n] and I[n], respectively, denote the real and imaginary components for FFT bin n.
+ * Bins are numbered from 0 to M/2, where M is the FFT length. Bin index 0
+ * corresponds to the DC component, and bin index M/2 corresponds to the
+ * foldover frequency.
+ *
+ * Input Arguments:
+ * pSrc - pointer to the complex-valued input sequence represented using
+ * CCS format, of length (2^order) + 2; must be aligned on a 32-byte
+ * boundary.
+ * pFFTSpec - pointer to the preallocated and initialized specification
+ * structure
+ * scaleFactor - output scalefactor; range is [0,16]
+ *
+ * Output Arguments:
+ * pDst - pointer to the real-valued output sequence, of length 2^order ; must be
+ * aligned on a 32-byte boundary.
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments if one or more of the following is true:
+ * - pSrc, pDst, or pFFTSpec is NULL
+ * - pSrc or pDst is not aligned on a 32-byte boundary
+ * - scaleFactor<0 or scaleFactor >16
+ *
+ */
+OMXResult omxSP_FFTInv_CCSToR_S32S16_Sfs (
+ const OMX_S32 *pSrc,
+ OMX_S16 *pDst,
+ const OMXFFTSpec_R_S16S32 *pFFTSpec,
+ OMX_INT scaleFactor
+);
+
+
+
+/**
+ * Function: omxSP_FFTInv_CCSToR_S32_Sfs (2.2.4.4.4)
+ *
+ * Description:
+ * These functions compute the inverse FFT for a conjugate-symmetric input
+ * sequence. Transform length is determined by the specification structure,
+ * which must be initialized prior to calling the FFT function using
+ * <FFTInit_R_S32>. For a transform of length M, the input sequence is
+ * represented using a packed CCS vector of length M+2, and is organized
+ * as follows:
+ *
+ * Index: 0 1 2 3 4 5 . . . M-2 M-1 M M+1
+ * Component R[0] 0 R[1] I[1] R[2] I[2] . . . R[M/2-1] I[M/2-1] R[M/2] 0
+ *
+ * where R[n] and I[n], respectively, denote the real and imaginary components for FFT bin n.
+ * Bins are numbered from 0 to M/2, where M is the FFT length. Bin index 0
+ * corresponds to the DC component, and bin index M/2 corresponds to the
+ * foldover frequency.
+ *
+ * Input Arguments:
+ * pSrc - pointer to the complex-valued input sequence represented using
+ * CCS format, of length (2^order) + 2; must be aligned on a 32-byte
+ * boundary.
+ * pFFTSpec - pointer to the preallocated and initialized specification
+ * structure
+ * scaleFactor - output scalefactor; range is [0,32]
+ *
+ * Output Arguments:
+ * pDst - pointer to the real-valued output sequence, of length 2^order ; must be
+ * aligned on a 32-byte boundary.
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+ * OMX_Sts_BadArgErr - bad arguments if one or more of the following is true:
+ * - pSrc, pDst, or pFFTSpec is NULL
+ * - pSrc or pDst is not aligned on a 32-byte boundary
+ * - scaleFactor<0 or scaleFactor >32
+ *
+ */
+OMXResult omxSP_FFTInv_CCSToR_S32_Sfs (
+ const OMX_S32 *pSrc,
+ OMX_S32 *pDst,
+ const OMXFFTSpec_R_S32 *pFFTSpec,
+ OMX_INT scaleFactor
+);
+
+/**
+ * Function: omxSP_FFTInv_CCSToR_F32_Sfs
+ *
+ * Description:
+ * These functions compute the inverse FFT for a conjugate-symmetric input
+ * sequence. Transform length is determined by the specification structure,
+ * which must be initialized prior to calling the FFT function using
+ * <FFTInit_R_F32>. For a transform of length M, the input sequence is
+ * represented using a packed CCS vector of length M+2, and is organized
+ * as follows:
+ *
+ * Index: 0 1 2 3 4 5 . . . M-2 M-1 M M+1
+ * Comp: R[0] 0 R[1] I[1] R[2] I[2] . . . R[M/2-1] I[M/2-1] R[M/2] 0
+ *
+ * where R[n] and I[n], respectively, denote the real and imaginary
+ * components for FFT bin n. Bins are numbered from 0 to M/2, where M
+ * is the FFT length. Bin index 0 corresponds to the DC component,
+ * and bin index M/2 corresponds to the foldover frequency.
+ *
+ * Input Arguments:
+ * pSrc - pointer to the complex-valued input sequence represented
+ * using CCS format, of length (2^order) + 2; must be aligned on a
+ * 32-byte boundary.
+ * pFFTSpec - pointer to the preallocated and initialized
+ * specification structure
+ *
+ * Output Arguments:
+ * pDst - pointer to the real-valued output sequence, of length
+ * 2^order ; must be aligned on a 32-byte boundary.
+ *
+ * Return Value:
+ *
+ * OMX_Sts_NoErr - no error
+
+ * OMX_Sts_BadArgErr - bad arguments if one or more of the
+ * following is true:
+ * - pSrc, pDst, or pFFTSpec is NULL
+ * - pSrc or pDst is not aligned on a 32-byte boundary
+ * - scaleFactor<0 or scaleFactor >32
+ *
+ */
+OMXResult omxSP_FFTInv_CCSToR_F32_Sfs(
+ const OMX_F32* pSrc,
+ OMX_F32* pDst,
+ const OMXFFTSpec_R_F32* pFFTSpec
+);
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /** end of #define _OMXSP_H_ */
+
+/** EOF */
+

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