33 {	int				channels, blocksize, samplesperblock, blocks, dataremaining ;  member
118 wavlike_msadpcm_init	(SF_PRIVATE *psf, int blockalign, int samplesperblock)  in wavlike_msadpcm_init()  argument
129 		samplesperblock = 2 + 2 * (blockalign - 7 * psf->sf.channels) / psf->sf.channels ;  in wavlike_msadpcm_init()
136 	pmssize = sizeof (MSADPCM_PRIVATE) + blockalign + 3 * psf->sf.channels * samplesperblock ;  in wavlike_msadpcm_init()
144 	pms->block		= (unsigned char*) (pms->dummydata + psf->sf.channels * samplesperblock) ;  in wavlike_msadpcm_init()
148 	pms->samplesperblock = samplesperblock ;  in wavlike_msadpcm_init()
164 		if (pms->samplesperblock != count)  in wavlike_msadpcm_init()
169 		psf->sf.frames = (psf->datalength / pms->blocksize) * pms->samplesperblock ;  in wavlike_msadpcm_init()
223 	{	memset (pms->samples, 0, pms->samplesperblock * pms->channels) ;  in msadpcm_decode_block()
285 	for (k = 2 * pms->channels ; k < (pms->samplesperblock * pms->channels) ; k ++)  in msadpcm_decode_block()
318 	{	if (pms->blockcount >= pms->blocks && pms->samplecount >= pms->samplesperblock)  in msadpcm_read_block()
323 		if (pms->samplecount >= pms->samplesperblock)  in msadpcm_read_block()
327 		count = (pms->samplesperblock - pms->samplecount) * pms->channels ;  in msadpcm_read_block()
481 	if (offset < 0 || offset > pms->blocks * pms->samplesperblock)  in msadpcm_seek()
486 	newblock	= offset / pms->samplesperblock ;  in msadpcm_seek()
487 	newsample	= offset % pms->samplesperblock ;  in msadpcm_seek()
501 	return newblock * pms->samplesperblock + newsample ;  in msadpcm_seek()
544 		for (k = 2 ; k < pms->samplesperblock ; k++)  in msadpcm_encode_block()
595 		for (k = 4 ; k < 2 * pms->samplesperblock ; k++)  in msadpcm_encode_block()
633 	memset (pms->samples, 0, pms->samplesperblock * sizeof (short)) ;  in msadpcm_encode_block()
646 	{	count = (pms->samplesperblock - pms->samplecount) * pms->channels ;  in msadpcm_write_block()
656 		if (pms->samplecount >= pms->samplesperblock)  in msadpcm_write_block()
788 		if (pms->samplecount && pms->samplecount < pms->samplesperblock)  in msadpcm_close()