msg711.c File Reference

#include <assert.h>
#include <stdarg.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winnls.h"
#include "mmsystem.h"
#include "mmreg.h"
#include "msacm.h"
#include "msacmdrv.h"
#include "wine/debug.h"

Go to the source code of this file.

Data Structures
struct	AcmG711Data
struct	Format
Defines
#define	NUM_PCM_FORMATS   (sizeof(PCM_Formats) / sizeof(PCM_Formats[0]))
#define	NUM_ALAW_FORMATS   (sizeof(ALaw_Formats) / sizeof(ALaw_Formats[0]))
#define	NUM_ULAW_FORMATS   (sizeof(ULaw_Formats) / sizeof(ULaw_Formats[0]))
#define	SIGN_BIT   (0x80) /* Sign bit for an A-law byte. */
#define	QUANT_MASK   (0xf) /* Quantization field mask. */
#define	NSEGS   (8) /* Number of A-law segments. */
#define	SEG_SHIFT   (4) /* Left shift for segment number. */
#define	SEG_MASK   (0x70) /* Segment field mask. */
#define	BIAS   (0x84) /* Bias for linear code. */
#define	CLIP   8159
Functions
	WINE_DEFAULT_DEBUG_CHANNEL (g711)
static LRESULT	G711_drvOpen (LPCSTR str)
static LRESULT	G711_drvClose (DWORD_PTR dwDevID)
static DWORD	G711_GetFormatIndex (const WAVEFORMATEX *wfx)
static short	R16 (const unsigned char *src)
static void	W16 (unsigned char *dst, short s)
static short	search (int val, const short *table, int size)
static unsigned char	linear2alaw (int pcm_val)
static int	alaw2linear (unsigned char a_val)
static unsigned char	linear2ulaw (short pcm_val)
static short	ulaw2linear (unsigned char u_val)
static unsigned char	alaw2ulaw (unsigned char aval)
static unsigned char	ulaw2alaw (unsigned char uval)
static void	cvtXXalaw16K (PACMDRVSTREAMINSTANCE adsi, const unsigned char *src, LPDWORD srcsize, unsigned char *dst, LPDWORD dstsize)
static void	cvtXX16alawK (PACMDRVSTREAMINSTANCE adsi, const unsigned char *src, LPDWORD srcsize, unsigned char *dst, LPDWORD dstsize)
static void	cvtXXulaw16K (PACMDRVSTREAMINSTANCE adsi, const unsigned char *src, LPDWORD srcsize, unsigned char *dst, LPDWORD dstsize)
static void	cvtXX16ulawK (PACMDRVSTREAMINSTANCE adsi, const unsigned char *src, LPDWORD srcsize, unsigned char *dst, LPDWORD dstsize)
static void	cvtXXalawulawK (PACMDRVSTREAMINSTANCE adsi, const unsigned char *src, LPDWORD srcsize, unsigned char *dst, LPDWORD dstsize)
static void	cvtXXulawalawK (PACMDRVSTREAMINSTANCE adsi, const unsigned char *src, LPDWORD srcsize, unsigned char *dst, LPDWORD dstsize)
static LRESULT	G711_DriverDetails (PACMDRIVERDETAILSW add)
static LRESULT	G711_FormatTagDetails (PACMFORMATTAGDETAILSW aftd, DWORD dwQuery)
static LRESULT	G711_FormatDetails (PACMFORMATDETAILSW afd, DWORD dwQuery)
static LRESULT	G711_FormatSuggest (PACMDRVFORMATSUGGEST adfs)
static void	G711_Reset (PACMDRVSTREAMINSTANCE adsi, AcmG711Data *aad)
static LRESULT	G711_StreamOpen (PACMDRVSTREAMINSTANCE adsi)
static LRESULT	G711_StreamClose (PACMDRVSTREAMINSTANCE adsi)
static LRESULT	G711_StreamSize (const ACMDRVSTREAMINSTANCE *adsi, PACMDRVSTREAMSIZE adss)
static LRESULT	G711_StreamConvert (PACMDRVSTREAMINSTANCE adsi, PACMDRVSTREAMHEADER adsh)
LRESULT CALLBACK	G711_DriverProc (DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg, LPARAM dwParam1, LPARAM dwParam2)
Variables
static const Format	PCM_Formats []
static const Format	ALaw_Formats []
static const Format	ULaw_Formats []
static const short	seg_aend [8] = {0x1F, 0x3F, 0x7F, 0x0FF, 0x1FF, 0x3FF, 0x7FF, 0x0FFF}
static const short	seg_uend [8] = {0x3F, 0x7F, 0xFF, 0x1FF, 0x3FF, 0x7FF, 0xFFF, 0x1FFF}
static const unsigned char	_u2a [128]
static const unsigned char	_a2u [128]
static const unsigned short	_a2l []
static const unsigned short	_u2l []