audio/audioconvert/convert.cc

69 	AudioHdr	ihdr,
75 	if (((ihdr.encoding != ULAW) &&
76 	    (ihdr.encoding != ALAW) &&
77 	    (ihdr.encoding != LINEAR) &&
78 	    (ihdr.encoding != FLOAT) &&
79 	    (ihdr.encoding != G721) &&
80 	    (ihdr.encoding != G723)) ||
87 		enc1 = ihdr.EncodingString();
100 	AudioHdr	ihdr,
107 	if ((ihdr == ohdr) &&
215 	AudioHdr&		ihdr,
225 	if (!conv->CanConvert(ihdr)) {
232 		n = ihdr.channels;	// save the target number of buffers
233 		ihdr.channels = 1;	// each output buffer will be mono
237 		ihdr.channels = bufs;	// set the target interleave
242 	if (!conv->CanConvert(ihdr))
245 	append_conv_list(list, ihdr, bufs, conv, msg);
254 	AudioHdr&		ihdr,
268 	if (!conv->CanConvert(ihdr)) {
274 	infmt = ihdr.EncodingString();
275 	ihdr.encoding = tofmt;
276 	ihdr.bytes_per_unit = unitsz;
277 	ihdr.samples_per_unit = 1;
278 	if (!conv->CanConvert(ihdr))
280 	outfmt = ihdr.EncodingString();
286 	append_conv_list(list, ihdr, bufs, conv, msg);
294 	AudioHdr&		ihdr,
305 	if (((ihdr.channels != 1) && (tochans != 1)) || (bufs != 1))
311 	if (!conv->CanConvert(ihdr) || (ihdr.channels != 1)) {
312 		if (err = add_pcm_convert(list, ihdr, LINEAR, 2, bufs)) {
316 		if (!conv->CanConvert(ihdr)) {
323 	inchans = ihdr.ChannelString();
324 	ihdr.channels = tochans;
325 	if (!conv->CanConvert(ihdr))
327 	outchans = ihdr.ChannelString();
333 	append_conv_list(list, ihdr, bufs, conv, msg);
341 	AudioHdr&		ihdr,
361 	if (!conv->CanConvert(ihdr)) {
362 		if (err = add_pcm_convert(list, ihdr, LINEAR, 2, bufs)) {
366 		if (!conv->CanConvert(ihdr)) {
373 	infmt = ihdr.EncodingString();
374 	ihdr.encoding = tofmt;
377 		ihdr.bytes_per_unit = unitsz;
378 		ihdr.samples_per_unit = 2;
381 		ihdr.bytes_per_unit = unitsz;
382 		ihdr.samples_per_unit = 8;
385 	if (!conv->CanConvert(ihdr))
387 	outfmt = ihdr.EncodingString();
393 	append_conv_list(list, ihdr, bufs, NULL, msg);
410 	AudioHdr&		ihdr,
424 	if ((ihdr.encoding != G721) && (ihdr.encoding != G723))
430 	if (!conv->CanConvert(ihdr)) {
436 	infmt = ihdr.EncodingString();
437 	ihdr.encoding = tofmt;
438 	ihdr.bytes_per_unit = unitsz;
439 	ihdr.samples_per_unit = 1;
440 	if (!conv->CanConvert(ihdr)) {
442 		ihdr.encoding = LINEAR;
443 		ihdr.bytes_per_unit = 2;
444 		if (!conv->CanConvert(ihdr))
447 	outfmt = ihdr.EncodingString();
453 	append_conv_list(list, ihdr, bufs, NULL, msg);
470 	AudioHdr&		ihdr,
483 	fromrate = ihdr.sample_rate;
487 	if (!conv->CanConvert(ihdr)) {
488 		if (err = add_pcm_convert(list, ihdr, LINEAR, 2, bufs)) {
492 		if (!conv->CanConvert(ihdr)) {
499 	inrate = ihdr.RateString();
500 	ihdr.sample_rate = torate;
501 	if (!conv->CanConvert(ihdr))
503 	outrate = ihdr.RateString();
509 	append_conv_list(list, ihdr, bufs, NULL, msg);
556 	AudioHdr		ihdr;
561 	ihdr = ifp->GetHeader();
566 	while (((ihdr != ohdr) || (bufs != 1)) && !err) {
571 			if (!IS_MONO(ihdr)) {
572 				if (IS_PCM(ihdr)) {
576 					    ihdr, 1, bufs);
580 					err = add_mux_convert(list, ihdr, bufs);
585 				if (IS_PCM(ihdr)) {
588 					err = add_mux_convert(list, ihdr, bufs);
591 					err = add_decompress(list, ihdr,
599 		} else if (ihdr.channels != 1) {
603 			if (RATE_CONV(ihdr, ohdr) ||
604 			    (ENC_CONV(ihdr, ohdr) &&
605 			    (!IS_PCM(ihdr) || !IS_PCM(ohdr)))) {
606 				err = add_mux_convert(list, ihdr, bufs);
613 		if (RATE_CONV(ihdr, ohdr)) {
615 			if (!IS_PCM(ihdr)) {
616 				err = add_decompress(list, ihdr,
620 				err = add_rate_convert(list, ihdr,
626 		if (ENC_CONV(ihdr, ohdr)) {
628 			if (!IS_PCM(ihdr)) {
630 				err = add_decompress(list, ihdr,
635 				err = add_pcm_convert(list, ihdr,
640 				err = add_compress(list, ihdr,
651 			err = add_mux_convert(list, ihdr, bufs);
657 			    ihdr, ohdr.channels, bufs);
679 	AudioHdr	ihdr;
688 	ihdr = ifp->GetHeader();
715 		msg1 = ihdr.FormatString();
730 	cvtlen = ihdr.Bytes_to_Time(CVTMAXBUF);
744 		len = (size_t)ihdr.Time_to_Bytes(cvtlen);
745 		if ((err = obuf->SetHeader(ihdr)) != AUDIO_SUCCESS) {
758 		obuf->SetLength(ihdr.Bytes_to_Time(len));