2  *  PCM Plug-In shared (kernel/library) code
35 #define snd_pcm_plug_first(plug) ((plug)->runtime->oss.plugin_first)  argument
36 #define snd_pcm_plug_last(plug) ((plug)->runtime->oss.plugin_last)  argument
104 int snd_pcm_plug_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t frames)  in snd_pcm_plug_alloc()  argument
107 	if (snd_BUG_ON(!snd_pcm_plug_first(plug)))  in snd_pcm_plug_alloc()
109 	if (snd_pcm_plug_stream(plug) == SNDRV_PCM_STREAM_PLAYBACK) {  in snd_pcm_plug_alloc()
110 		struct snd_pcm_plugin *plugin = snd_pcm_plug_first(plug);  in snd_pcm_plug_alloc()
122 		struct snd_pcm_plugin *plugin = snd_pcm_plug_last(plug);  in snd_pcm_plug_alloc()
146 int snd_pcm_plugin_build(struct snd_pcm_substream *plug,  in snd_pcm_plugin_build()  argument
156 	if (snd_BUG_ON(!plug))  in snd_pcm_plugin_build()
164 	plugin->plug = plug;  in snd_pcm_plugin_build()
165 	plugin->stream = snd_pcm_plug_stream(plug);  in snd_pcm_plugin_build()
199 static snd_pcm_sframes_t calc_dst_frames(struct snd_pcm_substream *plug,  in calc_dst_frames()  argument
205 	plugin = snd_pcm_plug_first(plug);  in calc_dst_frames()
221 static snd_pcm_sframes_t calc_src_frames(struct snd_pcm_substream *plug,  in calc_src_frames()  argument
227 	plugin = snd_pcm_plug_last(plug);  in calc_src_frames()
243 snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *plug, snd_pcm_uframes_t drv_fr…  in snd_pcm_plug_client_size()  argument
245 	if (snd_BUG_ON(!plug))  in snd_pcm_plug_client_size()
247 	switch (snd_pcm_plug_stream(plug)) {  in snd_pcm_plug_client_size()
249 		return calc_src_frames(plug, drv_frames, false);  in snd_pcm_plug_client_size()
251 		return calc_dst_frames(plug, drv_frames, false);  in snd_pcm_plug_client_size()
258 snd_pcm_sframes_t snd_pcm_plug_slave_size(struct snd_pcm_substream *plug, snd_pcm_uframes_t clt_fra…  in snd_pcm_plug_slave_size()  argument
260 	if (snd_BUG_ON(!plug))  in snd_pcm_plug_slave_size()
262 	switch (snd_pcm_plug_stream(plug)) {  in snd_pcm_plug_slave_size()
264 		return calc_dst_frames(plug, clt_frames, false);  in snd_pcm_plug_slave_size()
266 		return calc_src_frames(plug, clt_frames, false);  in snd_pcm_plug_slave_size()
367 int snd_pcm_plug_format_plugins(struct snd_pcm_substream *plug,  in snd_pcm_plug_format_plugins()  argument
377 	int stream = snd_pcm_plug_stream(plug);  in snd_pcm_plug_format_plugins()
425 		err = snd_pcm_plugin_build_mulaw(plug,  in snd_pcm_plug_format_plugins()
442 		err = snd_pcm_plugin_build_route(plug, &srcformat, &tmpformat, &plugin);  in snd_pcm_plug_format_plugins()
460 			err = snd_pcm_plugin_build_linear(plug,  in snd_pcm_plug_format_plugins()
474         	err = snd_pcm_plugin_build_rate(plug,  in snd_pcm_plug_format_plugins()
494 			err = snd_pcm_plugin_build_mulaw(plug,  in snd_pcm_plug_format_plugins()
500 			err = snd_pcm_plugin_build_linear(plug,  in snd_pcm_plug_format_plugins()
521 		err = snd_pcm_plugin_build_route(plug, &srcformat, &tmpformat, &plugin);  in snd_pcm_plug_format_plugins()
536 		err = snd_pcm_plugin_build_copy(plug,  in snd_pcm_plug_format_plugins()
553 snd_pcm_sframes_t snd_pcm_plug_client_channels_buf(struct snd_pcm_substream *plug,  in snd_pcm_plug_client_channels_buf()  argument
562 	int stream = snd_pcm_plug_stream(plug);  in snd_pcm_plug_client_channels_buf()
567 		plugin = snd_pcm_plug_first(plug);  in snd_pcm_plug_client_channels_buf()
570 		plugin = snd_pcm_plug_last(plug);  in snd_pcm_plug_client_channels_buf()
592 snd_pcm_sframes_t snd_pcm_plug_write_transfer(struct snd_pcm_substream *plug, struct snd_pcm_plugin…  in snd_pcm_plug_write_transfer()  argument
599 	plugin = snd_pcm_plug_first(plug);  in snd_pcm_plug_write_transfer()
629 	return calc_src_frames(plug, frames, true);  in snd_pcm_plug_write_transfer()
632 snd_pcm_sframes_t snd_pcm_plug_read_transfer(struct snd_pcm_substream *plug, struct snd_pcm_plugin_…  in snd_pcm_plug_read_transfer()  argument
639 	frames = calc_src_frames(plug, frames, true);  in snd_pcm_plug_read_transfer()
644 	plugin = snd_pcm_plug_first(plug);  in snd_pcm_plug_read_transfer()