49 static int snd_pcm_plugin_alloc(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t frames)  in snd_pcm_plugin_alloc()  argument
65 	size = array3_size(frames, format->channels, width);  in snd_pcm_plugin_alloc()
72 	if (plugin->buf_frames < frames) {  in snd_pcm_plugin_alloc()
75 		plugin->buf_frames = frames;  in snd_pcm_plugin_alloc()
84 			c->frames = frames;  in snd_pcm_plugin_alloc()
96 			c->frames = frames;  in snd_pcm_plugin_alloc()
108 int snd_pcm_plug_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t frames)  in snd_pcm_plug_alloc()  argument
117 				frames = plugin->dst_frames(plugin, frames);  in snd_pcm_plug_alloc()
118 			if ((snd_pcm_sframes_t)frames <= 0)  in snd_pcm_plug_alloc()
121 			err = snd_pcm_plugin_alloc(plugin, frames);  in snd_pcm_plug_alloc()
129 				frames = plugin->src_frames(plugin, frames);  in snd_pcm_plug_alloc()
130 			if ((snd_pcm_sframes_t)frames <= 0)  in snd_pcm_plug_alloc()
133 			err = snd_pcm_plugin_alloc(plugin, frames);  in snd_pcm_plug_alloc()
143 				       snd_pcm_uframes_t frames,  in snd_pcm_plugin_client_channels()  argument
147 	return frames;  in snd_pcm_plugin_client_channels()
204 					 snd_pcm_sframes_t frames,  in calc_dst_frames()  argument
210 	while (plugin && frames > 0) {  in calc_dst_frames()
213 		    frames > plugin->buf_frames)  in calc_dst_frames()
214 			frames = plugin->buf_frames;  in calc_dst_frames()
216 			frames = plugin->dst_frames(plugin, frames);  in calc_dst_frames()
217 			if (frames < 0)  in calc_dst_frames()
218 				return frames;  in calc_dst_frames()
222 	return frames;  in calc_dst_frames()
226 					 snd_pcm_sframes_t frames,  in calc_src_frames()  argument
232 	while (plugin && frames > 0) {  in calc_src_frames()
235 			frames = plugin->src_frames(plugin, frames);  in calc_src_frames()
236 			if (frames < 0)  in calc_src_frames()
237 				return frames;  in calc_src_frames()
240 		    frames > plugin->buf_frames)  in calc_src_frames()
241 			frames = plugin->buf_frames;  in calc_src_frames()
244 	return frames;  in calc_src_frames()
587 		v->frames = count;  in snd_pcm_plug_client_channels_buf()
602 	snd_pcm_sframes_t frames = size;  in snd_pcm_plug_write_transfer()  local
606 		if (frames <= 0)  in snd_pcm_plug_write_transfer()
607 			return frames;  in snd_pcm_plug_write_transfer()
610 			snd_pcm_sframes_t frames1 = frames;  in snd_pcm_plug_write_transfer()
612 				frames1 = plugin->dst_frames(plugin, frames);  in snd_pcm_plug_write_transfer()
620 				frames = err;  in snd_pcm_plug_write_transfer()
622 					frames = plugin->src_frames(plugin, frames1);  in snd_pcm_plug_write_transfer()
623 					if (frames <= 0)  in snd_pcm_plug_write_transfer()
624 						return frames;  in snd_pcm_plug_write_transfer()
629 		pdprintf("write plugin: %s, %li\n", plugin->name, frames);  in snd_pcm_plug_write_transfer()
630 		frames = plugin->transfer(plugin, src_channels, dst_channels, frames);  in snd_pcm_plug_write_transfer()
631 		if (frames < 0)  in snd_pcm_plug_write_transfer()
632 			return frames;  in snd_pcm_plug_write_transfer()
636 	return calc_src_frames(plug, frames, true);  in snd_pcm_plug_write_transfer()
643 	snd_pcm_sframes_t frames = size;  in snd_pcm_plug_read_transfer()  local
646 	frames = calc_src_frames(plug, frames, true);  in snd_pcm_plug_read_transfer()
647 	if (frames < 0)  in snd_pcm_plug_read_transfer()
648 		return frames;  in snd_pcm_plug_read_transfer()
652 	while (plugin && frames > 0) {  in snd_pcm_plug_read_transfer()
655 			err = plugin->client_channels(plugin, frames, &dst_channels);  in snd_pcm_plug_read_transfer()
658 			frames = err;  in snd_pcm_plug_read_transfer()
662 		pdprintf("read plugin: %s, %li\n", plugin->name, frames);  in snd_pcm_plug_read_transfer()
663 		frames = plugin->transfer(plugin, src_channels, dst_channels, frames);  in snd_pcm_plug_read_transfer()
664 		if (frames < 0)  in snd_pcm_plug_read_transfer()
665 			return frames;  in snd_pcm_plug_read_transfer()
669 	return frames;  in snd_pcm_plug_read_transfer()