1 /* 2 * Copyright (C) 2004-2010 NXP Software 3 * Copyright (C) 2010 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 /****************************************************************************************/ 19 /* */ 20 /* Header file for the application layer interface of Concert Sound, Bass Enhancement, */ 21 /* Equalizer, Power Spectrum Analyzer, Trebble Enhancement and volume management */ 22 /* bundle. */ 23 /* */ 24 /* This files includes all definitions, types, structures and function */ 25 /* prototypes required by the calling layer. All other types, structures and */ 26 /* functions are private. */ 27 /* */ 28 /****************************************************************************************/ 29 /* */ 30 /* Note: 1 */ 31 /* ======= */ 32 /* The algorithm can execute either with separate input and output buffers or with */ 33 /* a common buffer, i.e. the data is processed in-place. */ 34 /* */ 35 /****************************************************************************************/ 36 /* */ 37 /* Note: 2 */ 38 /* ======= */ 39 /* Three data formats are support Stereo,Mono-In-Stereo and Mono. The data is */ 40 /* interleaved as follows: */ 41 /* */ 42 /* Byte Offset Stereo Input Mono-In-Stereo Input Mono Input */ 43 /* =========== ============ ==================== ============== */ 44 /* 0 Left Sample #1 Mono Sample #1 Mono Sample #1 */ 45 /* 2 Right Sample #1 Mono Sample #1 Mono Sample #2 */ 46 /* 4 Left Sample #2 Mono Sample #2 Mono Sample #3 */ 47 /* 6 Right Sample #2 Mono Sample #2 Mono Sample #4 */ 48 /* . . . . */ 49 /* . . . . */ 50 /* */ 51 /****************************************************************************************/ 52 53 #ifndef __LVM_H__ 54 #define __LVM_H__ 55 56 #ifdef __cplusplus 57 extern "C" { 58 #endif /* __cplusplus */ 59 60 61 /****************************************************************************************/ 62 /* */ 63 /* Includes */ 64 /* */ 65 /****************************************************************************************/ 66 67 #include "LVM_Types.h" 68 69 70 /****************************************************************************************/ 71 /* */ 72 /* Definitions */ 73 /* */ 74 /****************************************************************************************/ 75 76 /* Memory table*/ 77 #define LVM_NR_MEMORY_REGIONS 4 /* Number of memory regions */ 78 79 /* Concert Sound effect level presets */ 80 #define LVM_CS_EFFECT_NONE 0 /* 0% effect, minimum value */ 81 #define LVM_CS_EFFECT_LOW 16384 /* 50% effect */ 82 #define LVM_CS_EFFECT_MED 24576 /* 75% effect */ 83 #define LVM_CS_EFFECT_HIGH 32767 /* 100% effect, maximum value */ 84 85 /* Treble enhancement */ 86 #define LVM_TE_LOW_MIPS 32767 87 88 /* Bass enhancement effect level presets */ 89 #define LVM_BE_0DB 0 /* 0dB boost, no effect */ 90 #define LVM_BE_3DB 3 /* +3dB boost */ 91 #define LVM_BE_6DB 6 /* +6dB boost */ 92 #define LVM_BE_9DB 9 /* +9dB boost */ 93 #define LVM_BE_12DB 12 /* +12dB boost */ 94 #define LVM_BE_15DB 15 /* +15dB boost */ 95 96 /* N-Band Equalizer */ 97 #define LVM_EQ_NBANDS 5 /* Number of bands for equalizer */ 98 99 /* Headroom management */ 100 #define LVM_HEADROOM_MAX_NBANDS 5 101 102 /****************************************************************************************/ 103 /* */ 104 /* Types */ 105 /* */ 106 /****************************************************************************************/ 107 108 /* Instance handle */ 109 typedef void *LVM_Handle_t; 110 111 112 /* Status return values */ 113 typedef enum 114 { 115 LVM_SUCCESS = 0, /* Successful return from a routine */ 116 LVM_ALIGNMENTERROR = 1, /* Memory alignment error */ 117 LVM_NULLADDRESS = 2, /* NULL allocation address */ 118 LVM_OUTOFRANGE = 3, /* Out of range control parameter */ 119 LVM_INVALIDNUMSAMPLES = 4, /* Invalid number of samples */ 120 LVM_WRONGAUDIOTIME = 5, /* Wrong time value for audio time*/ 121 LVM_ALGORITHMDISABLED = 6, /* Algorithm is disabled*/ 122 LVM_ALGORITHMPSA = 7, /* Algorithm PSA returns an error */ 123 LVM_RETURNSTATUS_DUMMY = LVM_MAXENUM 124 } LVM_ReturnStatus_en; 125 126 127 /* Buffer Management mode */ 128 typedef enum 129 { 130 LVM_MANAGED_BUFFERS = 0, 131 LVM_UNMANAGED_BUFFERS = 1, 132 LVM_BUFFERS_DUMMY = LVM_MAXENUM 133 } LVM_BufferMode_en; 134 135 /* Output device type */ 136 typedef enum 137 { 138 LVM_HEADPHONES = 0, 139 LVM_EX_HEADPHONES = 1, 140 LVM_SPEAKERTYPE_MAX = LVM_MAXENUM 141 } LVM_OutputDeviceType_en; 142 143 /* Virtualizer mode selection*/ 144 typedef enum 145 { 146 LVM_CONCERTSOUND = 0, 147 LVM_VIRTUALIZERTYPE_DUMMY = LVM_MAXENUM 148 } LVM_VirtualizerType_en; 149 150 /* N-Band Equaliser operating mode */ 151 typedef enum 152 { 153 LVM_EQNB_OFF = 0, 154 LVM_EQNB_ON = 1, 155 LVM_EQNB_DUMMY = LVM_MAXENUM 156 } LVM_EQNB_Mode_en; 157 158 /* Bass Enhancement operating mode */ 159 typedef enum 160 { 161 LVM_BE_OFF = 0, 162 LVM_BE_ON = 1, 163 LVM_BE_DUMMY = LVM_MAXENUM 164 } LVM_BE_Mode_en; 165 166 /* Bass Enhancement centre frequency selection control */ 167 typedef enum 168 { 169 LVM_BE_CENTRE_55Hz = 0, 170 LVM_BE_CENTRE_66Hz = 1, 171 LVM_BE_CENTRE_78Hz = 2, 172 LVM_BE_CENTRE_90Hz = 3, 173 LVM_BE_CENTRE_DUMMY = LVM_MAXENUM 174 } LVM_BE_CentreFreq_en; 175 176 /* Bass Enhancement HPF selection control */ 177 typedef enum 178 { 179 LVM_BE_HPF_OFF = 0, 180 LVM_BE_HPF_ON = 1, 181 LVM_BE_HPF_DUMMY = LVM_MAXENUM 182 } LVM_BE_FilterSelect_en; 183 184 /* Volume Control operating mode */ 185 typedef enum 186 { 187 LVM_VC_OFF = 0, 188 LVM_VC_ON = 1, 189 LVM_VC_DUMMY = LVM_MAXENUM 190 } LVM_VC_Mode_en; 191 192 /* Treble Enhancement operating mode */ 193 typedef enum 194 { 195 LVM_TE_OFF = 0, 196 LVM_TE_ON = 1, 197 LVM_TE_DUMMY = LVM_MAXENUM 198 } LVM_TE_Mode_en; 199 200 /* Headroom management operating mode */ 201 typedef enum 202 { 203 LVM_HEADROOM_OFF = 0, 204 LVM_HEADROOM_ON = 1, 205 LVM_Headroom_DUMMY = LVM_MAXENUM 206 } LVM_Headroom_Mode_en; 207 208 typedef enum 209 { 210 LVM_PSA_SPEED_SLOW, /* Peak decaying at slow speed */ 211 LVM_PSA_SPEED_MEDIUM, /* Peak decaying at medium speed */ 212 LVM_PSA_SPEED_FAST, /* Peak decaying at fast speed */ 213 LVM_PSA_SPEED_DUMMY = LVM_MAXENUM 214 } LVM_PSA_DecaySpeed_en; 215 216 typedef enum 217 { 218 LVM_PSA_OFF = 0, 219 LVM_PSA_ON = 1, 220 LVM_PSA_DUMMY = LVM_MAXENUM 221 } LVM_PSA_Mode_en; 222 223 /* Version information */ 224 typedef struct 225 { 226 LVM_CHAR *pVersionNumber; /* Pointer to the version number in the format X.YY.ZZ */ 227 LVM_CHAR *pPlatform; /* Pointer to the library platform type */ 228 } LVM_VersionInfo_st; 229 230 231 /****************************************************************************************/ 232 /* */ 233 /* Structures */ 234 /* */ 235 /****************************************************************************************/ 236 237 /* Memory table containing the region definitions */ 238 typedef struct 239 { 240 LVM_MemoryRegion_st Region[LVM_NR_MEMORY_REGIONS]; /* One definition for each region */ 241 } LVM_MemTab_t; 242 243 /* N-Band equaliser band definition */ 244 typedef struct 245 { 246 LVM_INT16 Gain; /* Band gain in dB */ 247 LVM_UINT16 Frequency; /* Band centre frequency in Hz */ 248 LVM_UINT16 QFactor; /* Band quality factor (x100) */ 249 } LVM_EQNB_BandDef_t; 250 251 252 /* Headroom band definition */ 253 typedef struct 254 { 255 LVM_UINT16 Limit_Low; /* Low frequency limit of the band in Hertz */ 256 LVM_UINT16 Limit_High; /* High frequency limit of the band in Hertz */ 257 LVM_INT16 Headroom_Offset; /* Headroom = biggest band gain - Headroom_Offset */ 258 } LVM_HeadroomBandDef_t; 259 260 261 /* Control Parameter structure */ 262 typedef struct 263 { 264 /* General parameters */ 265 LVM_Mode_en OperatingMode; /* Bundle operating mode On/Bypass */ 266 LVM_Fs_en SampleRate; /* Sample rate */ 267 LVM_Format_en SourceFormat; /* Input data format */ 268 LVM_OutputDeviceType_en SpeakerType; /* Output device type */ 269 270 /* Concert Sound Virtualizer parameters*/ 271 LVM_Mode_en VirtualizerOperatingMode; /* Virtualizer operating mode On/Off */ 272 LVM_VirtualizerType_en VirtualizerType; /* Virtualizer type: ConcertSound */ 273 LVM_UINT16 VirtualizerReverbLevel; /* Virtualizer reverb level in % */ 274 LVM_INT16 CS_EffectLevel; /* Concert Sound effect level */ 275 276 /* N-Band Equaliser parameters */ 277 LVM_EQNB_Mode_en EQNB_OperatingMode; /* N-Band Equaliser operating mode */ 278 LVM_UINT16 EQNB_NBands; /* Number of bands */ 279 LVM_EQNB_BandDef_t *pEQNB_BandDefinition; /* Pointer to equaliser definitions */ 280 281 /* Bass Enhancement parameters */ 282 LVM_BE_Mode_en BE_OperatingMode; /* Bass Enhancement operating mode */ 283 LVM_INT16 BE_EffectLevel; /* Bass Enhancement effect level */ 284 LVM_BE_CentreFreq_en BE_CentreFreq; /* Bass Enhancement centre frequency */ 285 LVM_BE_FilterSelect_en BE_HPF; /* Bass Enhancement high pass filter selector */ 286 287 /* Volume Control parameters */ 288 LVM_INT16 VC_EffectLevel; /* Volume Control setting in dBs */ 289 LVM_INT16 VC_Balance; /* Left Right Balance control in dB (-96 to 96 dB), -ve values reduce 290 Right channel while +ve value reduces Left channel*/ 291 292 /* Treble Enhancement parameters */ 293 LVM_TE_Mode_en TE_OperatingMode; /* Treble Enhancement On/Off */ 294 LVM_INT16 TE_EffectLevel; /* Treble Enhancement gain dBs */ 295 296 /* Spectrum Analyzer parameters Control */ 297 LVM_PSA_Mode_en PSA_Enable; 298 LVM_PSA_DecaySpeed_en PSA_PeakDecayRate; /* Peak value decay rate*/ 299 300 } LVM_ControlParams_t; 301 302 303 /* Instance Parameter structure */ 304 typedef struct 305 { 306 /* General */ 307 LVM_BufferMode_en BufferMode; /* Buffer management mode */ 308 LVM_UINT16 MaxBlockSize; /* Maximum processing block size */ 309 310 /* N-Band Equaliser */ 311 LVM_UINT16 EQNB_NumBands; /* Maximum number of equaliser bands */ 312 313 /* PSA */ 314 LVM_PSA_Mode_en PSA_Included; /* Controls the instance memory allocation for PSA: ON/OFF */ 315 } LVM_InstParams_t; 316 317 /* Headroom management parameter structure */ 318 typedef struct 319 { 320 LVM_Headroom_Mode_en Headroom_OperatingMode; /* Headroom Control On/Off */ 321 LVM_HeadroomBandDef_t *pHeadroomDefinition; /* Pointer to headroom bands definition */ 322 LVM_UINT16 NHeadroomBands; /* Number of headroom bands */ 323 324 } LVM_HeadroomParams_t; 325 326 /****************************************************************************************/ 327 /* */ 328 /* Function Prototypes */ 329 /* */ 330 /****************************************************************************************/ 331 332 333 /****************************************************************************************/ 334 /* */ 335 /* FUNCTION: LVM_GetVersionInfo */ 336 /* */ 337 /* DESCRIPTION: */ 338 /* This function is used to retrieve information about the library's version. */ 339 /* */ 340 /* PARAMETERS: */ 341 /* pVersion Pointer to an empty version info structure */ 342 /* */ 343 /* RETURNS: */ 344 /* LVM_SUCCESS Succeeded */ 345 /* LVM_NULLADDRESS when pVersion is NULL */ 346 /* */ 347 /* NOTES: */ 348 /* 1. This function may be interrupted by the LVM_Process function */ 349 /* */ 350 /****************************************************************************************/ 351 LVM_ReturnStatus_en LVM_GetVersionInfo(LVM_VersionInfo_st *pVersion); 352 353 354 /****************************************************************************************/ 355 /* */ 356 /* FUNCTION: LVM_GetMemoryTable */ 357 /* */ 358 /* DESCRIPTION: */ 359 /* This function is used for memory allocation and free. It can be called in */ 360 /* two ways: */ 361 /* */ 362 /* hInstance = NULL Returns the memory requirements */ 363 /* hInstance = Instance handle Returns the memory requirements and */ 364 /* allocated base addresses for the instance */ 365 /* */ 366 /* When this function is called for memory allocation (hInstance=NULL) the memory */ 367 /* base address pointers are NULL on return. */ 368 /* */ 369 /* When the function is called for free (hInstance = Instance Handle) the memory */ 370 /* table returns the allocated memory and base addresses used during initialisation. */ 371 /* */ 372 /* PARAMETERS: */ 373 /* hInstance Instance Handle */ 374 /* pMemoryTable Pointer to an empty memory definition table */ 375 /* pInstParams Pointer to the instance parameters */ 376 /* */ 377 /* RETURNS: */ 378 /* LVM_SUCCESS Succeeded */ 379 /* LVM_NULLADDRESS When one of pMemoryTable or pInstParams is NULL */ 380 /* LVM_OUTOFRANGE When any of the Instance parameters are out of range */ 381 /* */ 382 /* NOTES: */ 383 /* 1. This function may be interrupted by the LVM_Process function */ 384 /* */ 385 /****************************************************************************************/ 386 LVM_ReturnStatus_en LVM_GetMemoryTable(LVM_Handle_t hInstance, 387 LVM_MemTab_t *pMemoryTable, 388 LVM_InstParams_t *pInstParams); 389 390 391 /****************************************************************************************/ 392 /* */ 393 /* FUNCTION: LVM_GetInstanceHandle */ 394 /* */ 395 /* DESCRIPTION: */ 396 /* This function is used to create a bundle instance. It returns the created instance */ 397 /* handle through phInstance. All parameters are set to their default, inactive state. */ 398 /* */ 399 /* PARAMETERS: */ 400 /* phInstance pointer to the instance handle */ 401 /* pMemoryTable Pointer to the memory definition table */ 402 /* pInstParams Pointer to the instance parameters */ 403 /* */ 404 /* RETURNS: */ 405 /* LVM_SUCCESS Initialisation succeeded */ 406 /* LVM_NULLADDRESS One or more memory has a NULL pointer */ 407 /* LVM_OUTOFRANGE When any of the Instance parameters are out of range */ 408 /* */ 409 /* NOTES: */ 410 /* 1. This function must not be interrupted by the LVM_Process function */ 411 /* */ 412 /****************************************************************************************/ 413 LVM_ReturnStatus_en LVM_GetInstanceHandle(LVM_Handle_t *phInstance, 414 LVM_MemTab_t *pMemoryTable, 415 LVM_InstParams_t *pInstParams); 416 417 418 /****************************************************************************************/ 419 /* */ 420 /* FUNCTION: LVM_ClearAudioBuffers */ 421 /* */ 422 /* DESCRIPTION: */ 423 /* This function is used to clear the internal audio buffers of the bundle. */ 424 /* */ 425 /* PARAMETERS: */ 426 /* hInstance Instance handle */ 427 /* */ 428 /* RETURNS: */ 429 /* LVM_SUCCESS Initialisation succeeded */ 430 /* LVM_NULLADDRESS Instance memory has a NULL pointer */ 431 /* */ 432 /* NOTES: */ 433 /* 1. This function must not be interrupted by the LVM_Process function */ 434 /* */ 435 /****************************************************************************************/ 436 LVM_ReturnStatus_en LVM_ClearAudioBuffers(LVM_Handle_t hInstance); 437 438 439 /****************************************************************************************/ 440 /* */ 441 /* FUNCTION: LVM_GetControlParameters */ 442 /* */ 443 /* DESCRIPTION: */ 444 /* Request the LifeVibes module parameters. The current parameter set is returned */ 445 /* via the parameter pointer. */ 446 /* */ 447 /* PARAMETERS: */ 448 /* hInstance Instance handle */ 449 /* pParams Pointer to an empty parameter structure */ 450 /* */ 451 /* RETURNS: */ 452 /* LVM_SUCCESS Succeeded */ 453 /* LVM_NULLADDRESS when any of hInstance or pParams is NULL */ 454 /* */ 455 /* NOTES: */ 456 /* 1. This function may be interrupted by the LVM_Process function */ 457 /* */ 458 /****************************************************************************************/ 459 LVM_ReturnStatus_en LVM_GetControlParameters(LVM_Handle_t hInstance, 460 LVM_ControlParams_t *pParams); 461 462 463 /****************************************************************************************/ 464 /* */ 465 /* FUNCTION: LVM_SetControlParameters */ 466 /* */ 467 /* DESCRIPTION: */ 468 /* Sets or changes the LifeVibes module parameters. */ 469 /* */ 470 /* PARAMETERS: */ 471 /* hInstance Instance handle */ 472 /* pParams Pointer to a parameter structure */ 473 /* */ 474 /* RETURNS: */ 475 /* LVM_SUCCESS Succeeded */ 476 /* LVM_NULLADDRESS When hInstance, pParams or any control pointers are NULL */ 477 /* LVM_OUTOFRANGE When any of the control parameters are out of range */ 478 /* */ 479 /* NOTES: */ 480 /* 1. This function may be interrupted by the LVM_Process function */ 481 /* */ 482 /****************************************************************************************/ 483 LVM_ReturnStatus_en LVM_SetControlParameters(LVM_Handle_t hInstance, 484 LVM_ControlParams_t *pParams); 485 486 487 /****************************************************************************************/ 488 /* */ 489 /* FUNCTION: LVM_Process */ 490 /* */ 491 /* DESCRIPTION: */ 492 /* Process function for the LifeVibes module. */ 493 /* */ 494 /* PARAMETERS: */ 495 /* hInstance Instance handle */ 496 /* pInData Pointer to the input data */ 497 /* pOutData Pointer to the output data */ 498 /* NumSamples Number of samples in the input buffer */ 499 /* AudioTime Audio Time of the current input data in milli-seconds */ 500 /* */ 501 /* RETURNS: */ 502 /* LVM_SUCCESS Succeeded */ 503 /* LVM_INVALIDNUMSAMPLES When the NumSamples is not a valied multiple in unmanaged */ 504 /* buffer mode */ 505 /* LVM_ALIGNMENTERROR When either the input our output buffers are not 32-bit */ 506 /* aligned in unmanaged mode */ 507 /* LVM_NULLADDRESS When one of hInstance, pInData or pOutData is NULL */ 508 /* */ 509 /* NOTES: */ 510 /* 1. The input and output buffers must be 32-bit aligned */ 511 /* 2. Number of samples is defined as follows: */ 512 /* MONO the number of samples in the block */ 513 /* MONOINSTEREO the number of sample pairs in the block */ 514 /* STEREO the number of sample pairs in the block */ 515 /* */ 516 /****************************************************************************************/ 517 #ifdef BUILD_FLOAT 518 LVM_ReturnStatus_en LVM_Process(LVM_Handle_t hInstance, 519 const LVM_FLOAT *pInData, 520 LVM_FLOAT *pOutData, 521 LVM_UINT16 NumSamples, 522 LVM_UINT32 AudioTime); 523 #else 524 LVM_ReturnStatus_en LVM_Process(LVM_Handle_t hInstance, 525 const LVM_INT16 *pInData, 526 LVM_INT16 *pOutData, 527 LVM_UINT16 NumSamples, 528 LVM_UINT32 AudioTime); 529 #endif 530 531 532 /****************************************************************************************/ 533 /* */ 534 /* FUNCTION: LVM_SetHeadroomParams */ 535 /* */ 536 /* DESCRIPTION: */ 537 /* This function is used to set the automatic headroom management parameters. */ 538 /* */ 539 /* PARAMETERS: */ 540 /* hInstance Instance Handle */ 541 /* pHeadroomParams Pointer to headroom parameter structure */ 542 /* */ 543 /* RETURNS: */ 544 /* LVM_NULLADDRESS When hInstance or pHeadroomParams is NULL */ 545 /* LVM_SUCCESS Succeeded */ 546 /* */ 547 /* NOTES: */ 548 /* 1. This function may be interrupted by the LVM_Process function */ 549 /* */ 550 /****************************************************************************************/ 551 LVM_ReturnStatus_en LVM_SetHeadroomParams( LVM_Handle_t hInstance, 552 LVM_HeadroomParams_t *pHeadroomParams); 553 554 555 /****************************************************************************************/ 556 /* */ 557 /* FUNCTION: LVM_GetHeadroomParams */ 558 /* */ 559 /* DESCRIPTION: */ 560 /* This function is used to get the automatic headroom management parameters. */ 561 /* */ 562 /* PARAMETERS: */ 563 /* hInstance Instance Handle */ 564 /* pHeadroomParams Pointer to headroom parameter structure (output) */ 565 /* */ 566 /* RETURNS: */ 567 /* LVM_SUCCESS Succeeded */ 568 /* LVM_NULLADDRESS When hInstance or pHeadroomParams are NULL */ 569 /* */ 570 /* NOTES: */ 571 /* 1. This function may be interrupted by the LVM_Process function */ 572 /* */ 573 /****************************************************************************************/ 574 LVM_ReturnStatus_en LVM_GetHeadroomParams( LVM_Handle_t hInstance, 575 LVM_HeadroomParams_t *pHeadroomParams); 576 577 578 /****************************************************************************************/ 579 /* */ 580 /* FUNCTION: LVM_GetSpectrum */ 581 /* */ 582 /* DESCRIPTION: */ 583 /* This function is used to retrieve Spectral information at a given Audio time */ 584 /* for display usage */ 585 /* */ 586 /* PARAMETERS: */ 587 /* hInstance Instance Handle */ 588 /* pCurrentPeaks Pointer to location where currents peaks are to be saved */ 589 /* pPastPeaks Pointer to location where past peaks are to be saved */ 590 /* pCentreFreqs Pointer to location where centre frequency of each band is */ 591 /* to be saved */ 592 /* AudioTime Audio time at which the spectral information is needed */ 593 /* */ 594 /* RETURNS: */ 595 /* LVM_SUCCESS Succeeded */ 596 /* LVM_NULLADDRESS If any of input addresses are NULL */ 597 /* LVM_WRONGAUDIOTIME Failure due to audio time error */ 598 /* */ 599 /* NOTES: */ 600 /* 1. This function may be interrupted by the LVM_Process function */ 601 /* */ 602 /****************************************************************************************/ 603 LVM_ReturnStatus_en LVM_GetSpectrum( LVM_Handle_t hInstance, 604 LVM_UINT8 *pCurrentPeaks, 605 LVM_UINT8 *pPastPeaks, 606 LVM_INT32 AudioTime); 607 608 /****************************************************************************************/ 609 /* */ 610 /* FUNCTION: LVM_SetVolumeNoSmoothing */ 611 /* */ 612 /* DESCRIPTION: */ 613 /* This function is used to set output volume without any smoothing */ 614 /* */ 615 /* PARAMETERS: */ 616 /* hInstance Instance Handle */ 617 /* pParams Control Parameters, only volume value is used here */ 618 /* */ 619 /* RETURNS: */ 620 /* LVM_SUCCESS Succeeded */ 621 /* LVM_NULLADDRESS If any of input addresses are NULL */ 622 /* LVM_OUTOFRANGE When any of the control parameters are out of range */ 623 /* */ 624 /* NOTES: */ 625 /* 1. This function may be interrupted by the LVM_Process function */ 626 /* */ 627 /****************************************************************************************/ 628 LVM_ReturnStatus_en LVM_SetVolumeNoSmoothing( LVM_Handle_t hInstance, 629 LVM_ControlParams_t *pParams); 630 631 632 #ifdef __cplusplus 633 } 634 #endif /* __cplusplus */ 635 636 #endif /* __LVM_H__ */ 637 638
