49 static int snd_pcm_plugin_alloc(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t frames)  in snd_pcm_plugin_alloc()  argument
64 	size = frames * format->channels * width;  in snd_pcm_plugin_alloc()
68 	if (plugin->buf_frames < frames) {  in snd_pcm_plugin_alloc()
71 		plugin->buf_frames = frames;  in snd_pcm_plugin_alloc()
80 			c->frames = frames;  in snd_pcm_plugin_alloc()
92 			c->frames = frames;  in snd_pcm_plugin_alloc()
104 int snd_pcm_plug_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t frames)  in snd_pcm_plug_alloc()  argument
113 				frames = plugin->dst_frames(plugin, frames);  in snd_pcm_plug_alloc()
114 			if ((snd_pcm_sframes_t)frames <= 0)  in snd_pcm_plug_alloc()
117 			err = snd_pcm_plugin_alloc(plugin, frames);  in snd_pcm_plug_alloc()
125 				frames = plugin->src_frames(plugin, frames);  in snd_pcm_plug_alloc()
126 			if ((snd_pcm_sframes_t)frames <= 0)  in snd_pcm_plug_alloc()
129 			err = snd_pcm_plugin_alloc(plugin, frames);  in snd_pcm_plug_alloc()
139 				       snd_pcm_uframes_t frames,  in snd_pcm_plugin_client_channels()  argument
143 	return frames;  in snd_pcm_plugin_client_channels()
200 					 snd_pcm_sframes_t frames,  in calc_dst_frames()  argument
206 	while (plugin && frames > 0) {  in calc_dst_frames()
209 		    frames > plugin->buf_frames)  in calc_dst_frames()
210 			frames = plugin->buf_frames;  in calc_dst_frames()
212 			frames = plugin->dst_frames(plugin, frames);  in calc_dst_frames()
213 			if (frames < 0)  in calc_dst_frames()
214 				return frames;  in calc_dst_frames()
218 	return frames;  in calc_dst_frames()
222 					 snd_pcm_sframes_t frames,  in calc_src_frames()  argument
228 	while (plugin && frames > 0) {  in calc_src_frames()
231 			frames = plugin->src_frames(plugin, frames);  in calc_src_frames()
232 			if (frames < 0)  in calc_src_frames()
233 				return frames;  in calc_src_frames()
236 		    frames > plugin->buf_frames)  in calc_src_frames()
237 			frames = plugin->buf_frames;  in calc_src_frames()
240 	return frames;  in calc_src_frames()
582 		v->frames = count;  in snd_pcm_plug_client_channels_buf()
597 	snd_pcm_sframes_t frames = size;  in snd_pcm_plug_write_transfer()  local
601 		if (frames <= 0)  in snd_pcm_plug_write_transfer()
602 			return frames;  in snd_pcm_plug_write_transfer()
604 			snd_pcm_sframes_t frames1 = frames;  in snd_pcm_plug_write_transfer()
606 				frames1 = plugin->dst_frames(plugin, frames);  in snd_pcm_plug_write_transfer()
614 				frames = err;  in snd_pcm_plug_write_transfer()
616 					frames = plugin->src_frames(plugin, frames1);  in snd_pcm_plug_write_transfer()
617 					if (frames <= 0)  in snd_pcm_plug_write_transfer()
618 						return frames;  in snd_pcm_plug_write_transfer()
623 		pdprintf("write plugin: %s, %li\n", plugin->name, frames);  in snd_pcm_plug_write_transfer()
624 		if ((frames = plugin->transfer(plugin, src_channels, dst_channels, frames)) < 0)  in snd_pcm_plug_write_transfer()
625 			return frames;  in snd_pcm_plug_write_transfer()
629 	return calc_src_frames(plug, frames, true);  in snd_pcm_plug_write_transfer()
636 	snd_pcm_sframes_t frames = size;  in snd_pcm_plug_read_transfer()  local
639 	frames = calc_src_frames(plug, frames, true);  in snd_pcm_plug_read_transfer()
640 	if (frames < 0)  in snd_pcm_plug_read_transfer()
641 		return frames;  in snd_pcm_plug_read_transfer()
645 	while (plugin && frames > 0) {  in snd_pcm_plug_read_transfer()
647 			if ((err = plugin->client_channels(plugin, frames, &dst_channels)) < 0) {  in snd_pcm_plug_read_transfer()
650 			frames = err;  in snd_pcm_plug_read_transfer()
654 		pdprintf("read plugin: %s, %li\n", plugin->name, frames);  in snd_pcm_plug_read_transfer()
655 		if ((frames = plugin->transfer(plugin, src_channels, dst_channels, frames)) < 0)  in snd_pcm_plug_read_transfer()
656 			return frames;  in snd_pcm_plug_read_transfer()
660 	return frames;  in snd_pcm_plug_read_transfer()