alac.c - OpenGrok cross reference for /third

Lines Matching defs:plac
76 static sf_count_t alac_reader_calc_frames (SF_PRIVATE *psf, ALAC_PRIVATE *plac) ;
93 static int alac_decode_block (SF_PRIVATE *psf, ALAC_PRIVATE *plac) ;
94 static int alac_encode_block (ALAC_PRIVATE *plac) ;
166 {	ALAC_PRIVATE *plac ;
169 	plac = psf->codec_data ;
172 	{	ALAC_ENCODER *penc = &plac->u.encoder ;
178 		plac->final_write_block = 1 ;
179 		saved_partial_block_frames = plac->partial_block_frames ;
182 		if (plac->partial_block_frames && plac->partial_block_frames < plac->frames_per_block)
183 			alac_encode_block (plac) ;
185 		plac->partial_block_frames = saved_partial_block_frames ;
187 		alac_get_magic_cookie (penc, kuki_data, &plac->kuki_size) ;
192 		chunk_info.datalen = plac->kuki_size ;
206 		if (plac->enctmp != NULL)
207 		{	fseek (plac->enctmp, 0, SEEK_SET) ;
209 			while ((readcount = fread (ubuf.ucbuf, 1, sizeof (ubuf.ucbuf), plac->enctmp)) > 0)
211 			fclose (plac->enctmp) ;
212 			remove (plac->enctmpname) ;
216 	if (plac->pakt_info)
217 		free (plac->pakt_info) ;
218 	plac->pakt_info = NULL ;
238 {	ALAC_PRIVATE	*plac ;
253 	plac = psf->codec_data ;
255 	plac->channels			= psf->sf.channels ;
256 	plac->frames_per_block	= info->frames_per_packet ;
257 	plac->bits_per_sample	= info->bits_per_sample ;
259 	if (plac->pakt_info != NULL)
260 		free (plac->pakt_info) ;
261 	plac->pakt_info = alac_pakt_read_decode (psf, info->pakt_offset) ;
263 	if (plac->pakt_info == NULL)
271 	if ((error = alac_decoder_init (&plac->u.decoder, u.kuki, kuki_size)) != ALAC_noErr)
277 	if (plac->u.decoder.mNumChannels != (unsigned) psf->sf.channels)
278 	{	psf_log_printf (psf, "*** Initialized decoder has %u channels, but it should be %d. ***\n", plac->u.decoder.mNumChannels, psf->sf.channels) ;
301 	psf->sf.frames		= alac_reader_calc_frames (psf, plac) ;
309 {	ALAC_PRIVATE	*plac ;
312 	plac = psf->codec_data ;
317 	plac->channels	= psf->sf.channels ;
318 	plac->kuki_size = alac_get_magic_cookie_size (psf->sf.channels) ;
328 			plac->bits_per_sample = 16 ;
333 			plac->bits_per_sample = 20 ;
338 			plac->bits_per_sample = 24 ;
343 			plac->bits_per_sample = 32 ;
351 	plac->frames_per_block = ALAC_FRAME_LENGTH ;
353 	plac->pakt_info = alac_pakt_alloc (2000) ;
355 	if ((plac->enctmp = psf_open_tmpfile (plac->enctmpname, sizeof (plac->enctmpname))) == NULL)
356 	{	psf_log_printf (psf, "Error : Failed to open temp file '%s' : \n", plac->enctmpname, strerror (errno)) ;
360 	alac_encoder_init (&plac->u.encoder, psf->sf.samplerate, psf->sf.channels, alac_format_flags, ALAC_FRAME_LENGTH) ;
377 alac_reader_calc_frames (SF_PRIVATE *psf, ALAC_PRIVATE *plac)
381 	plac->pakt_info->current = 0 ;
384 	{	current_pos = alac_reader_next_packet_size (plac->pakt_info) ;
392 	frames = plac->frames_per_block * (blocks - 1) ;
395 	alac_decode_block (psf, plac) ;
396 	frames += plac->frames_this_block ;
398 	plac->pakt_info->current = 0 ;
404 alac_decode_block (SF_PRIVATE *psf, ALAC_PRIVATE *plac)
405 {	ALAC_DECODER *pdec = &plac->u.decoder ;
409 	packet_size = alac_reader_next_packet_size (plac->pakt_info) ;
411 	{	if (plac->pakt_info->current < plac->pakt_info->count)
412 			psf_log_printf (psf, "packet_size is 0 (%d of %d)\n", plac->pakt_info->current, plac->pakt_info->count) ;
416 	psf_fseek (psf, plac->input_data_pos, SEEK_SET) ;
418 	if (packet_size > sizeof (plac->byte_buffer))
423 	if ((packet_size != psf_fread (plac->byte_buffer, 1, packet_size, psf)))
426 	BitBufferInit (&bit_buffer, plac->byte_buffer, packet_size) ;
428 	plac->input_data_pos += packet_size ;
429 	plac->frames_this_block = 0 ;
430 	alac_decode (pdec, &bit_buffer, plac->buffer, plac->frames_per_block, &plac->frames_this_block) ;
432 	plac->partial_block_frames = 0 ;
439 alac_encode_block (ALAC_PRIVATE *plac)
440 {	ALAC_ENCODER *penc = &plac->u.encoder ;
443 	alac_encode (penc, plac->partial_block_frames, plac->buffer, plac->byte_buffer, &num_bytes) ;
445 	if (fwrite (plac->byte_buffer, 1, num_bytes, plac->enctmp) != num_bytes)
447 	if ((plac->pakt_info = alac_pakt_append (plac->pakt_info, num_bytes)) == NULL)
450 	plac->partial_block_frames = 0 ;
461 {	ALAC_PRIVATE *plac ;
466 	if ((plac = (ALAC_PRIVATE*) psf->codec_data) == NULL)
470 	{	if (plac->partial_block_frames >= plac->frames_this_block && alac_decode_block (psf, plac) == 0)
473 		readcount = (plac->frames_this_block - plac->partial_block_frames) * plac->channels ;
476 		iptr = plac->buffer + plac->partial_block_frames * plac->channels ;
481 		plac->partial_block_frames += readcount / plac->channels ;
491 {	ALAC_PRIVATE *plac ;
496 	if ((plac = (ALAC_PRIVATE*) psf->codec_data) == NULL)
500 	{	if (plac->partial_block_frames >= plac->frames_this_block && alac_decode_block (psf, plac) == 0)
503 		readcount = (plac->frames_this_block - plac->partial_block_frames) * plac->channels ;
506 		iptr = plac->buffer + plac->partial_block_frames * plac->channels ;
511 		plac->partial_block_frames += readcount / plac->channels ;
521 {	ALAC_PRIVATE *plac ;
527 	if ((plac = (ALAC_PRIVATE*) psf->codec_data) == NULL)
533 	{	if (plac->partial_block_frames >= plac->frames_this_block && alac_decode_block (psf, plac) == 0)
536 		readcount = (plac->frames_this_block - plac->partial_block_frames) * plac->channels ;
539 		iptr = plac->buffer + plac->partial_block_frames * plac->channels ;
544 		plac->partial_block_frames += readcount / plac->channels ;
554 {	ALAC_PRIVATE *plac ;
560 	if ((plac = (ALAC_PRIVATE*) psf->codec_data) == NULL)
566 	{	if (plac->partial_block_frames >= plac->frames_this_block && alac_decode_block (psf, plac) == 0)
569 		readcount = (plac->frames_this_block - plac->partial_block_frames) * plac->channels ;
572 		iptr = plac->buffer + plac->partial_block_frames * plac->channels ;
577 		plac->partial_block_frames += readcount / plac->channels ;
590 {	ALAC_PRIVATE *plac ;
595 	plac = (ALAC_PRIVATE*) psf->codec_data ;
605 		plac->frames_this_block = 0 ;
606 		plac->input_data_pos = psf->dataoffset ;
607 		plac->pakt_info->current = 0 ;
611 	if (offset < 0 || offset > plac->pakt_info->count * plac->frames_per_block)
616 	newblock	= offset / plac->frames_per_block ;
617 	newsample	= offset % plac->frames_per_block ;
620 	{	plac->input_data_pos = psf->dataoffset + alac_pakt_block_offset (plac->pakt_info, newblock) ;
622 		plac->pakt_info->current = newblock ;
623 		alac_decode_block (psf, plac) ;
624 		plac->partial_block_frames = newsample ;
632 	return newblock * plac->frames_per_block + newsample ;
641 {	ALAC_PRIVATE *plac ;
646 	if ((plac = (ALAC_PRIVATE*) psf->codec_data) == NULL)
650 	{	writecount = (plac->frames_per_block - plac->partial_block_frames) * plac->channels ;
653 		iptr = plac->buffer + plac->partial_block_frames * plac->channels ;
658 		plac->partial_block_frames += writecount / plac->channels ;
663 		if (plac->partial_block_frames >= plac->frames_per_block)
664 			alac_encode_block (plac) ;
672 {	ALAC_PRIVATE *plac ;
677 	if ((plac = (ALAC_PRIVATE*) psf->codec_data) == NULL)
681 	{	writecount = (plac->frames_per_block - plac->partial_block_frames) * plac->channels ;
684 		iptr = plac->buffer + plac->partial_block_frames * plac->channels ;
689 		plac->partial_block_frames += writecount / plac->channels ;
694 		if (plac->partial_block_frames >= plac->frames_per_block)
695 			alac_encode_block (plac) ;
703 {	ALAC_PRIVATE *plac ;
709 	if ((plac = (ALAC_PRIVATE*) psf->codec_data) == NULL)
715 	{	writecount = (plac->frames_per_block - plac->partial_block_frames) * plac->channels ;
718 		iptr = plac->buffer + plac->partial_block_frames * plac->channels ;
722 		plac->partial_block_frames += writecount / plac->channels ;
727 		if (plac->partial_block_frames >= plac->frames_per_block)
728 			alac_encode_block (plac) ;
736 {	ALAC_PRIVATE *plac ;
742 	if ((plac = (ALAC_PRIVATE*) psf->codec_data) == NULL)
748 	{	writecount = (plac->frames_per_block - plac->partial_block_frames) * plac->channels ;
751 		iptr = plac->buffer + plac->partial_block_frames * plac->channels ;
755 		plac->partial_block_frames += writecount / plac->channels ;
760 		if (plac->partial_block_frames >= plac->frames_per_block)
761 			alac_encode_block (plac) ;
880 {	const ALAC_PRIVATE *plac ;
885 	plac = psf->codec_data ;
886 	info = plac->pakt_info ;
894 	psf_put_be32 (data, 20, kALACDefaultFramesPerPacket - plac->partial_block_frames) ;