DECODER_config.c File Reference

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Detailed Description

This module initializes the decoder interface.

REVISION

• 11/05/2003 M.GAO
  Initial creation.
• 01/28/2004 M.GAO
  Initialize mediaInit handle to be NULL.
• 02/11/2004 M.GAO
  Allocte generic buffer where decoder pipe gets allocated in to prevent memory fragmentation when switching tracks.

Definition in file DECODER_config.c.

#include "../SYSTEM/sys_hardware.h"
#include "../SYSTEM/sys_assert.h"
#include "../codec/codec.h"
#include "../coder/coder.h"
#include "decoder.h"

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Functions
BOOL	DECODER_config (DEC_TYPE eType)
	Function configures the decoder module.
void	DECODER_releaseObj (void)
	Function releases all decoder allocated objects.
Variables
st_DECODER	Decoder
	Decoder globals.

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Function Documentation

BOOL DECODER_config (  DEC_TYPE  eType  )

Function configures the decoder module. Parameters: eType  Decoder type. Definition at line 97 of file DECODER_config.c. References st_CODER::cache, st_CODER::cacheInit, Decoder, st_DECODER::flag, st_CODER::mediaInit, st_DECODER::pipe, PIPE_reset(), st_CODER::subcoder, SYS_die(), and st_DECODER::type. Referenced by AUDIO_config(). { Decoder.type = eType; Coder.subcoder = DECODER__nullsubcoder; Coder.cache = DECODER_cache; Coder.cacheInit = DECODER_cacheInit; Coder.mediaInit = NULL; _decPipeBuf = (int*)malloc(_DEC_PIPE_BUF_LEN); if(NULL == _decPipeBuf) SYS_die(SYS_DECODER_CONFIG); switch(eType) { #ifdef WAV_SUPPORT case DECWAV: _wavConfig(); break; #endif // WAV_SUPPORT case DECMP3: _mp3Config(); break; #ifdef WMA_SUPPORT case DECWMA: _wmaConfig(); break; #endif // WMA_SUPPORT #ifdef OGG_SUPPORT case DECOGG: _oggConfig(); break; #endif //OGG_SUPPORT } /* Reset the decoder pipe. */ PIPE_reset(&Decoder.pipe); /* Clear decoder file flag. */ Decoder.flag = 0; return TRUE; }

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Variable Documentation

st_DECODER Decoder

Decoder globals. Note that this global will be used by PCM SWIs, it has to be resident all the time. Definition at line 49 of file DECODER_config.c. Referenced by AUDIO_setFilePtr(), DECODER__mp3(), DECODER__mp3first(), DECODER__mp3media(), DECODER__ogg(), DECODER__oggfirst(), DECODER__oggmedia(), DECODER__wav(), DECODER__wavdecode(), DECODER__wavfirst(), DECODER__wavmedia(), DECODER__wavReadHeader(), DECODER__wma(), DECODER__wmainit(), DECODER__wmamedia(), DECODER__wmatask(), DECODER_config(), and DECODER_main().

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