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Side by Side Diff: silk/SigProc_FIX.h

Issue 12388030: Update Opus to 1.0.2. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/opus
Patch Set: Created 7 years, 9 months ago
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1 /*********************************************************************** 1 /***********************************************************************
2 Copyright (c) 2006-2011, Skype Limited. All rights reserved. 2 Copyright (c) 2006-2011, Skype Limited. All rights reserved.
3 Redistribution and use in source and binary forms, with or without 3 Redistribution and use in source and binary forms, with or without
4 modification, are permitted provided that the following conditions 4 modification, are permitted provided that the following conditions
5 are met: 5 are met:
6 - Redistributions of source code must retain the above copyright notice, 6 - Redistributions of source code must retain the above copyright notice,
7 this list of conditions and the following disclaimer. 7 this list of conditions and the following disclaimer.
8 - Redistributions in binary form must reproduce the above copyright 8 - Redistributions in binary form must reproduce the above copyright
9 notice, this list of conditions and the following disclaimer in the 9 notice, this list of conditions and the following disclaimer in the
10 documentation and/or other materials provided with the distribution. 10 documentation and/or other materials provided with the distribution.
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306 const opus_int D /* I Input vector dimens ion (even) */ 306 const opus_int D /* I Input vector dimens ion (even) */
307 ); 307 );
308 308
309 /* Compute reflection coefficients from input signal */ 309 /* Compute reflection coefficients from input signal */
310 void silk_burg_modified( 310 void silk_burg_modified(
311 opus_int32 *res_nrg, /* O Residual energy */ 311 opus_int32 *res_nrg, /* O Residual energy */
312 opus_int *res_nrg_Q, /* O Residual energy Q va lue */ 312 opus_int *res_nrg_Q, /* O Residual energy Q va lue */
313 opus_int32 A_Q16[], /* O Prediction coefficie nts (length order) */ 313 opus_int32 A_Q16[], /* O Prediction coefficie nts (length order) */
314 const opus_int16 x[], /* I Input signal, length : nb_subfr * ( D + subfr_length ) */ 314 const opus_int16 x[], /* I Input signal, length : nb_subfr * ( D + subfr_length ) */
315 const opus_int32 minInvGain_Q30, /* I Inverse of max predi ction gain */ 315 const opus_int32 minInvGain_Q30, /* I Inverse of max predi ction gain */
316 const opus_int subfr_length, /* I Input signal subfram e length (incl. D preceeding samples) */ 316 const opus_int subfr_length, /* I Input signal subfram e length (incl. D preceding samples) */
317 const opus_int nb_subfr, /* I Number of subframes stacked in x */ 317 const opus_int nb_subfr, /* I Number of subframes stacked in x */
318 const opus_int D /* I Order */ 318 const opus_int D /* I Order */
319 ); 319 );
320 320
321 /* Copy and multiply a vector by a constant */ 321 /* Copy and multiply a vector by a constant */
322 void silk_scale_copy_vector16( 322 void silk_scale_copy_vector16(
323 opus_int16 *data_out, 323 opus_int16 *data_out,
324 const opus_int16 *data_in, 324 const opus_int16 *data_in,
325 opus_int32 gain_Q16, /* I Gain in Q16 */ 325 opus_int32 gain_Q16, /* I Gain in Q16 */
326 const opus_int dataSize /* I Length */ 326 const opus_int dataSize /* I Length */
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372 opus_uint32 m = (opus_uint32) -rot; 372 opus_uint32 m = (opus_uint32) -rot;
373 if( rot == 0 ) { 373 if( rot == 0 ) {
374 return a32; 374 return a32;
375 } else if( rot < 0 ) { 375 } else if( rot < 0 ) {
376 return (opus_int32) ((x << m) | (x >> (32 - m))); 376 return (opus_int32) ((x << m) | (x >> (32 - m)));
377 } else { 377 } else {
378 return (opus_int32) ((x << (32 - r)) | (x >> r)); 378 return (opus_int32) ((x << (32 - r)) | (x >> r));
379 } 379 }
380 } 380 }
381 381
382 /* Allocate opus_int16 alligned to 4-byte memory address */ 382 /* Allocate opus_int16 aligned to 4-byte memory address */
383 #if EMBEDDED_ARM 383 #if EMBEDDED_ARM
384 #define silk_DWORD_ALIGN __attribute__((aligned(4))) 384 #define silk_DWORD_ALIGN __attribute__((aligned(4)))
385 #else 385 #else
386 #define silk_DWORD_ALIGN 386 #define silk_DWORD_ALIGN
387 #endif 387 #endif
388 388
389 /* Useful Macros that can be adjusted to other platforms */ 389 /* Useful Macros that can be adjusted to other platforms */
390 #define silk_memcpy(dest, src, size) memcpy((dest), (src), (size)) 390 #define silk_memcpy(dest, src, size) memcpy((dest), (src), (size))
391 #define silk_memset(dest, src, size) memset((dest), (src), (size)) 391 #define silk_memset(dest, src, size) memset((dest), (src), (size))
392 #define silk_memmove(dest, src, size) memmove((dest), (src), (size)) 392 #define silk_memmove(dest, src, size) memmove((dest), (src), (size))
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580 580
581 #include "Inlines.h" 581 #include "Inlines.h"
582 #include "MacroCount.h" 582 #include "MacroCount.h"
583 #include "MacroDebug.h" 583 #include "MacroDebug.h"
584 584
585 #ifdef __cplusplus 585 #ifdef __cplusplus
586 } 586 }
587 #endif 587 #endif
588 588
589 #endif /* SILK_SIGPROC_FIX_H */ 589 #endif /* SILK_SIGPROC_FIX_H */
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