REVISION
Definition in file audio.h.
#include "../feature.h"
#include "../PIPE/pipe.h"
#include "../GENERIC/generic.h"
#include "../SYSTEM/sys_cpld.h"
#include "../TISTD/isrc.h"
#include "../TISTD/ieq.h"
#include "../TISTD/ivol.h"
#include "../codec/codec.h"
#include "../fat/fat.h"
Include dependency graph for audio.h:
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Go to the source code of this file.
Data Structures | |
| struct | st_AUDIOENERGY |
| Energy Structure for Manufacturing Test code and generic energy estimator for other audio applications. More... | |
| struct | st_AUDIO_OSCILLATOR |
| Audio Oscillator Structure for a discrete-time oscillator. More... | |
| struct | st_AUDIO |
| Audio control structure definition. More... | |
Enumerations | |
| enum | AUDIO_MODE { AM_PLAY, AM_MYFI, AM_FMRADIO, AM_ILINK, AM_RECMIC, AM_RECLINE, AM_RECFM, AM_AUTOSCAN, AM_TUNERMIC, AM_POWERDOWN, AM_NULL } |
| Audio mode definition. More... | |
| enum | AUDIO_FORMAT { AF_MP3, AF_WAV, AF_WMA, AF_OGG, AF_PCM, AF_ILINK, AF_NULL } |
| Audio format definition. More... | |
| enum | AUDIO_CONTROL { AI_CONFIG, AI_START, AI_PAUSE, AI_STOP, AI_SHUTDOWN, AI_UNMUTE } |
| Audio interface control enumeration. More... | |
Functions | |
| BOOL | AUDIO_initInterface (AUDIO_MODE, AUDIO_FORMAT, ULONG, ULONG) |
| Function initializes the audio interface. | |
| void | AUDIO_setInterface (AUDIO_CONTROL) |
| Function sets to start the audio interface. | |
| void | AUDIO_start (void) |
| Function starts the audio interface. | |
| BOOL | AUDIO_config (void) |
| Function configures the audio system. | |
| void | AUDIO_pause (void) |
| Function pause the audio interface. | |
| void | AUDIO_stop (void) |
| Function shuts down active audio interface and releases all data objects used by active interface. | |
| void | AUDIO_unmute (void) |
| Function unmute the audio interface. | |
| void | AUDIO_shutdown (void) |
| Function completely shuts down the audio interface and deletes all coder tasks and task level objects. | |
| void | AUDIO_myfiShutdown (void) |
| Function shuts down MyFi broadcasting. | |
| void | AUDIO_setCurrentTrack (void) |
| Function fetches the current playback file pointer. | |
| void | AUDIO_getCacheTrackFile (int) |
| Function fetches the file pointer of that to be cached. | |
| void | AUDIO_setEQ (int *) |
| Function resets the EQ parameters. | |
| void | AUDIO_resetMyfiQuality (void) |
| Function resets MyFi quality control. | |
| void | AUDIO_energyInit (st_AUDIOENERGY *, unsigned short) |
| Function initializes the energy calculation module. | |
| int | AUDIO_speedIsOutputBufferFull (void) |
| Function checks to see if speed output buffer is full. | |
| void | AUDIO_speedInit (void) |
| Function initializes the speed interface. | |
| void | AUDIO_setFilePtr (ULONG) |
| Function sets audio file pointer to given offset. | |
| ULONG | AUDIO_getFilePtr (void) |
| Function returns current audio file pointer offset. | |
Variables | |
| st_AUDIO | Audio |
| GLOBAL DATA. | |
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Audio interface control enumeration.
Definition at line 83 of file audio.h. 00084 {
00085 AI_CONFIG,
00086 AI_START,
00087 AI_PAUSE,
00088 AI_STOP,
00089 AI_SHUTDOWN,
00090 AI_UNMUTE
00091 } AUDIO_CONTROL;
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Audio format definition.
Definition at line 70 of file audio.h. Referenced by AUDIO_initInterface(). 00071 {
00072 AF_MP3,
00073 AF_WAV,
00074 AF_WMA,
00075 AF_OGG,
00076 AF_PCM,
00077 AF_ILINK,
00078 AF_NULL
00079 } AUDIO_FORMAT;
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Audio mode definition.
Definition at line 53 of file audio.h. Referenced by AUDIO_config(), AUDIO_start(), and UI_PSF_hisi(). 00054 {
00055 AM_PLAY,
00056 AM_MYFI,
00057 AM_FMRADIO,
00058 AM_ILINK,
00059 AM_RECMIC,
00060 AM_RECLINE,
00061 AM_RECFM,
00062 AM_AUTOSCAN,
00063 AM_TUNERMIC,
00064 AM_POWERDOWN,
00065 AM_NULL
00066 } AUDIO_MODE;
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Function configures the audio system.
Definition at line 351 of file audio.c. References AF_MP3, AF_OGG, AF_PCM, AF_WAV, AF_WMA, AM_MYFI, AM_PLAY, AM_RECFM, AM_RECLINE, AM_RECMIC, Audio, AUDIO_MODE, DECODER_config(), ENCODER_config(), st_CODER::flag, st_AUDIO::format, and st_AUDIO::mode. Referenced by SYS_main(). 00352 {
00353 AUDIO_MODE mode = Audio.mode;
00354 USHORT amode; // 0: playback, 1: record, 2 other.
00355
00356 if ((AM_PLAY == mode)||(AM_MYFI == mode)) amode = 0;
00357 else if((AM_RECLINE == mode)||(AM_RECMIC == mode)||(AM_RECFM == mode)) amode = 1;
00358 else amode = 2;
00359
00360 Coder.flag = SYS_isHDDpresent()? F_CODER_USE_CACHE:0;
00361 switch(Audio.format)
00362 {
00363 case AF_MP3:
00364 {
00365 if( 0 == amode )
00366 {
00367 GEN_load(MP3_CODE);
00368 GEN_load(MP3_CONST);
00369 GEN_reinit(MP3_DECODER_OBJ);
00370 DECODER_config(DECMP3);
00371 _audioConfig(TRUE, AF_MP3);
00372 }
00373 else if( 1 == amode )
00374 {
00375 GEN_load(MPR_CODE);
00376 GEN_load(MPR_CONST);
00377 GEN_reinit(MP3_ENCODER_OBJ);
00378 ENCODER_config(ENCMP3);
00379 _audioConfig(FALSE, AF_MP3);
00380 }
00381 break;
00382 }
00383 #ifdef WMA_SUPPORT
00384 case AF_WMA:
00385 {
00386 if( 0 == amode )
00387 {
00388 GEN_load(WMA_CODE);
00389 GEN_load(WMA_CONST);
00390 GEN_reinit(WMA_DECODER_OBJ);
00391 DECODER_config(DECWMA);
00392 _audioConfig(TRUE, AF_WMA);
00393 }
00394 break;
00395 }
00396 #endif
00397 #ifdef WAV_SUPPORT
00398 case AF_WAV:
00399 {
00400 if( 0 == amode )
00401 {
00402 GEN_load(WAV_CODE);
00403 GEN_load(WAV_CONST);
00404 GEN_reinit(WAV_DECODER_OBJ);
00405 DECODER_config(DECWAV);
00406 _audioConfig(TRUE, AF_WAV);
00407 }
00408 else if( 1 == amode )
00409 {
00410 GEN_load(WAVR_CODE);
00411 GEN_reinit(WAV_ENCODER_OBJ);
00412 ENCODER_config(ENCWAV);
00413 _audioConfig(FALSE, AF_WAV);
00414 }
00415 break;
00416 }
00417 #endif
00418 #ifdef OGG_SUPPORT
00419 case AF_OGG:
00420 {
00421 if( 0 == amode )
00422 {
00423 GEN_load(OGG_CODE);
00424 GEN_load(OGG_CONST);
00425 GEN_reinit(OGG_DECODER_OBJ);
00426 DECODER_config(DECOGG);
00427 _audioConfig(TRUE, AF_OGG);
00428 }
00429 break;
00430 }
00431 #endif
00432 case AF_PCM:
00433 {
00434 if(2 == amode) _audioConfig(-1, DONTCARE);
00435 break;
00436 }
00437 }
00438
00439 AUDIO_setIdle();
00440 return TRUE;
00441 }
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Function initializes the energy calculation module.
Definition at line 684 of file audio.c. Referenced by CODEC_recordHdlReset(). 00685 {
00686 pEnergy->ShortTermEnergy =
00687 pEnergy->AverageEnergy = 0;
00688
00689 pEnergy->FastPeak =
00690 pEnergy->SlowPeak = 0;
00691
00692 pEnergy->Index = 1;
00693 pEnergy->BlockSize = blockSize-1;
00694 }
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Function fetches the file pointer of that to be cached.
Definition at line 265 of file audio.c. References Audio, st_AUDIO::cachefile, and UI_getNextAudioFileFromPlayQ(). Referenced by UI_PSF_play(). 00266 {
00267 if(setCacheFile)
00268 {
00269 File * fp = UI_getNextAudioFileFromPlayQ(setCacheFile);
00270 if(fp) Audio.cachefile = *fp;
00271 }
00272 else
00273 UI_getNextAudioFileFromPlayQ(setCacheFile);
00274 }
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Function returns current audio file pointer offset. It currently only supports decoder operation.
Definition at line 738 of file audio.c. References AF_MP3, AF_OGG, AF_WAV, AF_WMA, Audio, and st_AUDIO::format. Referenced by MENU__djControl(), and UI_PSF_play(). 00739 {
00740 ULONG fptr = 0L;
00741
00742 switch(Audio.format)
00743 {
00744 case AF_MP3: DECODER_mp3fptr(&fptr); break;
00745 #ifdef WAV_SUPPORT
00746 case AF_WAV: DECODER_wavfptr(&fptr); break;
00747 #endif
00748 #ifdef OGG_SUPPORT
00749 case AF_OGG: DECODER_oggfptr(&fptr); break;
00750 #endif
00751 #ifdef WMA_SUPPORT
00752 case AF_WMA: DECODER_wmafptr(&fptr); break;
00753 #endif
00754 }
00755 return fptr;
00756 }
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Function initializes the audio interface. Function loads proper audio code into memory.
Definition at line 147 of file audio.c. References AF_NULL, AI_CONFIG, AM_MYFI, AM_PLAY, AM_RECFM, AM_RECLINE, AM_RECMIC, Audio, AUDIO_FORMAT, st_AUDIO::cachefile, st_AUDIO::duration, st_AUDIO::file, st_AUDIO::format, st_AUDIO::fptr, st_AUDIO::mode, st_AUDIO::offset, st_AUDIO::playtime, SAUDIOCTL, SCREATETASK, and UI_getCurrentAudioFileFromPlayQ(). Referenced by UI_PSF_hisi(), UI_PSF_play(), UI_PSF_radio(), and UI_PSF_record(). 00151 {
00152 USHORT amode; // 0: playback, 1: record, 2 other.
00153
00154 if(AF_NULL == format) return FALSE;
00155
00156 AUDIO_queryIdle();
00157
00158 Audio.mode = mode;
00159 Audio.format = format;
00160
00161 if ((AM_PLAY == mode)||(AM_MYFI == mode)) amode = 0;
00162 else if((AM_RECLINE == mode)||(AM_RECMIC == mode)||(AM_RECFM == mode)) amode = 1;
00163 else amode = 2;
00164
00165 if(0 == amode)
00166 {
00167 Audio.cachefile=
00168 Audio.file = *UI_getCurrentAudioFileFromPlayQ();
00169 Audio.playtime = 0L;
00170 Audio.fptr = 0L;
00171 Audio.offset = offset;
00172 Audio.duration = duration;
00173 }
00174 else if(1 == amode)
00175 {
00176 Audio.duration = 0L;
00177 Audio.fptr = 0L;
00178 }
00179
00180 // Config coder system.
00181 mMSG_send(sysMsgQ, SYS_MSG_ID, SAUDIOCTL, AI_CONFIG, SYS_FOREVER);
00182
00183 if(0 == amode)
00184 {
00185 // Create decoder tasks if not created already.
00186 mMSG_send(sysMsgQ, SYS_MSG_ID, SCREATETASK, DECODER_TASKS, SYS_FOREVER);
00187 }
00188 else if(1 == amode)
00189 {
00190 // Create encoder tasks if not created already.
00191 mMSG_send(sysMsgQ, SYS_MSG_ID, SCREATETASK, ENCODER_TASKS, SYS_FOREVER);
00192 }
00193
00194 AUDIO_waitIdle(SYS_FOREVER);
00195 return TRUE;
00196 }
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Function resets the EQ parameters.
Definition at line 705 of file audio.c. Referenced by MENU__setEq(), and UI_MSF_eq(). 00706 {
00707 USHORT ii = EQBAR_MAXNUM;
00708 int tmp;
00709 int eq[EQBAR_MAXNUM] = {15,15,15,15,15};
00710 int * p = &EQgain[0];
00711
00712 if(NULL == pEq) pEq = eq;
00713
00714 while(ii--)
00715 {
00716 tmp = *pEq - EQ_VALUE_OFFSET;
00717 if( (tmp < -15) || (tmp > 15) )
00718 {
00719 *pEq = 15;
00720 tmp = 0;
00721 }
00722 *p++ = tmp;
00723 pEq++;
00724 }
00725
00726 EQ_setGains(&LeftEQ, EQgain);
00727 EQ_setGains(&RightEQ, EQgain);
00728 }
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Function sets audio file pointer to given offset. It currently only supports decoder operation.
Definition at line 767 of file audio.c. References Audio, Decoder, st_DECODER::flag, and st_AUDIO::offset. Referenced by UI_PSF_play(). 00768 {
00769 HWI_disable();
00770 Audio.offset = fptr;
00771 Decoder.flag |= DEC_MEDIASEEK;
00772 HWI_enable();
00773 }
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Function checks to see if speed output buffer is full.
Definition at line 317 of file audio.c. Referenced by CODEC_playPcmPut(). 00318 {
00319 unsigned int outRate;
00320
00321 if(sampleCount >= 64)
00322 {
00323 sampleCount -= 64;
00324 return 1;
00325 }
00326
00327 // Check to reset SRC.
00328 outRate = (NORMAL_SPEED != speed)? USRATE: 44100;
00329 if(actvRate != outRate)
00330 {
00331 LeftSRC_params.outputRate =
00332 RightSRC_params.outputRate = outRate;
00333
00334 SRC_algInit(&LeftSRC, LeftSRC_memRec, NULL, &LeftSRC_params);
00335 SRC_algInit(&RightSRC, RightSRC_memRec, NULL, &RightSRC_params);
00336 actvRate = outRate;
00337 }
00338
00339 return 0;
00340 }
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GLOBAL DATA. This global bridges the GUI and entir audio system. It has to sit in internal memory. Definition at line 122 of file audio.c. Referenced by AUDIO_config(), AUDIO_getCacheTrackFile(), AUDIO_getFilePtr(), AUDIO_initInterface(), AUDIO_setFilePtr(), AUDIO_shutdown(), AUDIO_start(), CODEC_recordHdlReset(), DECODER__mp3(), DECODER__mp3first(), DECODER__mp3media(), DECODER__oggfirst(), DECODER__oggRead(), DECODER__wav(), DECODER__wavfirst(), DECODER__wavmedia(), DECODER__wma(), DECODER__wmainit(), DECODER__wmamedia(), DECODER__wmatask(), DECODER_cache(), DECODER_getData(), DECODER_releaseObj(), DECODER_seek(), ENCODER__mp3(), ENCODER__wav(), ENCODER_cache(), ENCODER_putData(), ENCODER_releaseObj(), UI_PSF_hisi(), UI_PSF_play(), UI_PSF_record(), and UI_setupPlayQ(). |
1.3.9.1