56 	struct rate_priv *data = (struct rate_priv *)plugin->extra_data;  in rate_init()  local
57 	data->pos = 0;  in rate_init()
59 		data->channels[channel].last_S1 = 0;  in rate_init()
60 		data->channels[channel].last_S2 = 0;  in rate_init()
76 	struct rate_priv *data = (struct rate_priv *)plugin->extra_data;  in resample_expand()  local
77 	struct rate_channel *rchannels = data->channels;  in resample_expand()
80 		pos = data->pos;  in resample_expand()
114 			pos += data->pitch;  in resample_expand()
120 	data->pos = pos;  in resample_expand()
135 	struct rate_priv *data = (struct rate_priv *)plugin->extra_data;  in resample_shrink()  local
136 	struct rate_channel *rchannels = data->channels;  in resample_shrink()
139 		pos = data->pos;  in resample_shrink()
174 			pos += data->pitch;  in resample_shrink()
180 	data->pos = pos;  in resample_shrink()
185 	struct rate_priv *data;  in rate_src_frames()  local
192 	data = (struct rate_priv *)plugin->extra_data;  in rate_src_frames()
194 		res = (((frames * data->pitch) + (BITS/2)) >> SHIFT);  in rate_src_frames()
196 		res = (((frames << SHIFT) + (data->pitch / 2)) / data->pitch);		  in rate_src_frames()
198 	if (data->old_src_frames > 0) {  in rate_src_frames()
199 		snd_pcm_sframes_t frames1 = frames, res1 = data->old_dst_frames;  in rate_src_frames()
200 		while (data->old_src_frames < frames1) {  in rate_src_frames()
204 		while (data->old_src_frames > frames1) {  in rate_src_frames()
208 		if (data->old_src_frames == frames1)  in rate_src_frames()
211 	data->old_src_frames = frames;  in rate_src_frames()
212 	data->old_dst_frames = res;  in rate_src_frames()
218 	struct rate_priv *data;  in rate_dst_frames()  local
225 	data = (struct rate_priv *)plugin->extra_data;  in rate_dst_frames()
227 		res = (((frames << SHIFT) + (data->pitch / 2)) / data->pitch);  in rate_dst_frames()
229 		res = (((frames * data->pitch) + (BITS/2)) >> SHIFT);  in rate_dst_frames()
231 	if (data->old_dst_frames > 0) {  in rate_dst_frames()
232 		snd_pcm_sframes_t frames1 = frames, res1 = data->old_src_frames;  in rate_dst_frames()
233 		while (data->old_dst_frames < frames1) {  in rate_dst_frames()
237 		while (data->old_dst_frames > frames1) {  in rate_dst_frames()
241 		if (data->old_dst_frames == frames1)  in rate_dst_frames()
244 	data->old_dst_frames = frames;  in rate_dst_frames()
245 	data->old_src_frames = res;  in rate_dst_frames()
255 	struct rate_priv *data;  in rate_transfer()  local
278 	data = (struct rate_priv *)plugin->extra_data;  in rate_transfer()
279 	data->func(plugin, src_channels, dst_channels, frames, dst_frames);  in rate_transfer()
306 	struct rate_priv *data;  in snd_pcm_plugin_build_rate()  local
331 	data = (struct rate_priv *)plugin->extra_data;  in snd_pcm_plugin_build_rate()
333 		data->pitch = ((src_format->rate << SHIFT) + (dst_format->rate >> 1)) / dst_format->rate;  in snd_pcm_plugin_build_rate()
334 		data->func = resample_expand;  in snd_pcm_plugin_build_rate()
336 		data->pitch = ((dst_format->rate << SHIFT) + (src_format->rate >> 1)) / src_format->rate;  in snd_pcm_plugin_build_rate()
337 		data->func = resample_shrink;  in snd_pcm_plugin_build_rate()
339 	data->pos = 0;  in snd_pcm_plugin_build_rate()
341 	data->old_src_frames = data->old_dst_frames = 0;  in snd_pcm_plugin_build_rate()