pcmdecode.h

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/* <LIC_AMD_STD>
 * Copyright (C) 2003-2005 Advanced Micro Devices, Inc.  All Rights Reserved.
 * 
 * Unless otherwise designated in writing, this software and any related 
 * documentation are the confidential proprietary information of AMD. 
 * THESE MATERIALS ARE PROVIDED "AS IS" WITHOUT ANY
 * UNLESS OTHERWISE NOTED IN WRITING, EXPRESS OR IMPLIED WARRANTY OF ANY 
 * KIND, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, 
 * NONINFRINGEMENT, TITLE, FITNESS FOR ANY PARTICULAR PURPOSE AND IN NO 
 * EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES WHATSOEVER. 
 * 
 * AMD does not assume any responsibility for any errors which may appear 
 * in the Materials nor any responsibility to support or update the
 * Materials.  AMD retains the right to modify the Materials at any time, 
 * without notice, and is not obligated to provide such modified 
 * Materials to you. AMD is not obligated to furnish, support, or make
 * any further information available to you.
 * </LIC_AMD_STD>  */
/* <CTL_AMD_STD>
 * </CTL_AMD_STD>  */
/* <DOC_AMD_STD>
 * </DOC_AMD_STD>  */

extern void init_wav_decode(audiodecChangeInfo *ci);
extern void set_no_header_wav_decode(void);
extern int decode_wav_audio(audiodecChangeInfo *ci, short *p_outbuf, int *out_size, unsigned char *in_buf, int inbuf_size);
extern int decode_pcm_audio(audiodecChangeInfo *ci, short *p_outbuf, int *out_size, unsigned char *in_buf, int inbuf_size, int sample_size, int big_endian);
extern void setup_pcm_conversions(unsigned short *channels, unsigned int *sampling_rate, int buffer_max_size);
extern void close_pcm_decoders(void);

#if defined(UNDER_CE)  
  #define DO_RATECONVERSION_AND_DOWNMIX 1
#else
  #define DO_RATECONVERSION_AND_DOWNMIX 0
#endif

typedef struct wavheaderinfo_s
{
  unsigned int       iSamplesPerSec;    /* sample per second per channel */
  unsigned int       iBitsPerSample;    /* the audio renderer expands or truncates to 16 bits */
  unsigned int       iChannels;    
  unsigned int       iBitrate;          /* bps, bits per second */
  unsigned int       iFramesize;        
  unsigned int       iDuration;         /* milliseconds */
  unsigned int       iEmphasis;         /* can be used to trigger a de-emphasis filter */
  unsigned int       iLayer;            /* MP3 = MPEG 1, 2, 0r 2.5, layer 3 */
  char               pcDecoderFullName[24]; /* e.g: Ogg Vorbis, MPEG 2.5 layer 3, AAC Nero MP4, etc. */
} wavheaderinfo_t;

extern wavheaderinfo_t wavheader;