34 	int				channels, blocksize, samplesperblock, blocks ;  member
64 static int ima_reader_init (SF_PRIVATE *psf, int blockalign, int samplesperblock) ;
108 wavlike_ima_init (SF_PRIVATE *psf, int blockalign, int samplesperblock)  in wavlike_ima_init()  argument
120 		if ((error = ima_reader_init (psf, blockalign, samplesperblock)))  in wavlike_ima_init()
134 aiff_ima_init (SF_PRIVATE *psf, int blockalign, int samplesperblock)  in aiff_ima_init()  argument
141 		if ((error = ima_reader_init (psf, blockalign, samplesperblock)))  in aiff_ima_init()
164 		if (pima->samplecount && pima->samplecount < pima->samplesperblock)  in ima_close()
167 		psf->sf.frames = pima->samplesperblock * pima->blockcount / psf->sf.channels ;  in ima_close()
178 ima_reader_init (SF_PRIVATE *psf, int blockalign, int samplesperblock)  in ima_reader_init()  argument
185 …zeof (IMA_ADPCM_PRIVATE) + blockalign * psf->sf.channels + 3 * psf->sf.channels * samplesperblock ;  in ima_reader_init()
193 	pima->block		= (unsigned char*) (pima->data + samplesperblock * psf->sf.channels) ;  in ima_reader_init()
197 	pima->samplesperblock	= samplesperblock ;  in ima_reader_init()
208 	if (pima->samplesperblock <= 0)  in ima_reader_init()
223 				if (pima->samplesperblock != count)  in ima_reader_init()
230 				psf->sf.frames = pima->samplesperblock * pima->blocks ;  in ima_reader_init()
236 				psf->sf.frames = pima->samplesperblock * pima->blocks / pima->channels ;  in ima_reader_init()
267 	{	memset (pima->samples, 0, pima->samplesperblock * pima->channels * sizeof (short)) ;  in aiff_ima_decode_block()
296 		for (k = 0 ; k < pima->samplesperblock ; k ++)  in aiff_ima_decode_block()
336 		for (indx = chan ; indx < pima->samplesperblock * pima->channels ; indx += pima->channels)  in aiff_ima_encode_block()
395 	{	memset (pima->samples, 0, pima->samplesperblock * pima->channels * sizeof (short)) ;  in wavlike_ima_decode_block()
443 	for (k = pima->channels ; k < (pima->samplesperblock * pima->channels) ; k ++)  in wavlike_ima_decode_block()
495 	for (k = pima->channels ; k < (pima->samplesperblock * pima->channels) ; k ++)  in wavlike_ima_encode_block()
558 	memset (pima->samples, 0, pima->samplesperblock * sizeof (short)) ;  in wavlike_ima_encode_block()
570 	{	if (pima->blockcount >= pima->blocks && pima->samplecount >= pima->samplesperblock)  in ima_read_block()
575 		if (pima->samplecount >= pima->samplesperblock)  in ima_read_block()
578 		count = (pima->samplesperblock - pima->samplecount) * pima->channels ;  in ima_read_block()
726 	if (offset < 0 || offset > pima->blocks * pima->samplesperblock)  in aiff_ima_seek()
731 	newblock		= offset / pima->samplesperblock ;  in aiff_ima_seek()
732 	newsample		= offset % pima->samplesperblock ;  in aiff_ima_seek()
747 	return newblock * pima->samplesperblock + newsample ;  in aiff_ima_seek()
775 	if (offset < 0 || offset > pima->blocks * pima->samplesperblock)  in wavlike_ima_seek()
780 	newblock	= offset / pima->samplesperblock ;  in wavlike_ima_seek()
781 	newsample	= offset % pima->samplesperblock ;  in wavlike_ima_seek()
795 	return newblock * pima->samplesperblock + newsample ;  in wavlike_ima_seek()
805 	int					samplesperblock ;  in ima_writer_init()  local
814 				samplesperblock = 2 * (blockalign - 4 * psf->sf.channels) / psf->sf.channels + 1 ;  in ima_writer_init()
818 				samplesperblock = 2 * ((blockalign - 2) * psf->sf.channels) / psf->sf.channels ;  in ima_writer_init()
826 	pimasize = sizeof (IMA_ADPCM_PRIVATE) + blockalign + 3 * psf->sf.channels * samplesperblock ;  in ima_writer_init()
835 	pima->samplesperblock	= samplesperblock ;  in ima_writer_init()
873 	{	count = (pima->samplesperblock - pima->samplecount) * pima->channels ;  in ima_write_block()
883 		if (pima->samplecount >= pima->samplesperblock)  in ima_write_block()