| /sound/core/oss/ |
| D | pcm_plugin.c | 49 static int snd_pcm_plugin_alloc(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t frames) in snd_pcm_plugin_alloc() argument
57 if (plugin->stream == SNDRV_PCM_STREAM_PLAYBACK) { in snd_pcm_plugin_alloc()
58 format = &plugin->src_format; in snd_pcm_plugin_alloc()
60 format = &plugin->dst_format; in snd_pcm_plugin_alloc()
71 if (plugin->buf_frames < frames) { in snd_pcm_plugin_alloc()
72 kvfree(plugin->buf); in snd_pcm_plugin_alloc()
73 plugin->buf = kvzalloc(size, GFP_KERNEL); in snd_pcm_plugin_alloc()
74 plugin->buf_frames = frames; in snd_pcm_plugin_alloc()
76 if (!plugin->buf) { in snd_pcm_plugin_alloc()
77 plugin->buf_frames = 0; in snd_pcm_plugin_alloc()
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| D | io.c | 37 static snd_pcm_sframes_t io_playback_transfer(struct snd_pcm_plugin *plugin, in io_playback_transfer() argument
42 if (snd_BUG_ON(!plugin)) in io_playback_transfer()
46 if (plugin->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED) { in io_playback_transfer()
47 return pcm_write(plugin->plug, src_channels->area.addr, frames); in io_playback_transfer()
49 int channel, channels = plugin->dst_format.channels; in io_playback_transfer()
50 void **bufs = (void**)plugin->extra_data; in io_playback_transfer()
59 return pcm_writev(plugin->plug, bufs, frames); in io_playback_transfer()
63 static snd_pcm_sframes_t io_capture_transfer(struct snd_pcm_plugin *plugin, in io_capture_transfer() argument
68 if (snd_BUG_ON(!plugin)) in io_capture_transfer()
72 if (plugin->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED) { in io_capture_transfer()
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| D | rate.c | 40 typedef void (*rate_f)(struct snd_pcm_plugin *plugin,
53 static void rate_init(struct snd_pcm_plugin *plugin) in rate_init() argument
56 struct rate_priv *data = (struct rate_priv *)plugin->extra_data; in rate_init()
58 for (channel = 0; channel < plugin->src_format.channels; channel++) { in rate_init()
64 static void resample_expand(struct snd_pcm_plugin *plugin, in resample_expand() argument
76 struct rate_priv *data = (struct rate_priv *)plugin->extra_data; in resample_expand()
79 for (channel = 0; channel < plugin->src_format.channels; channel++) { in resample_expand()
85 snd_pcm_area_silence(&dst_channels[channel].area, 0, dst_frames, plugin->dst_format.format); in resample_expand()
123 static void resample_shrink(struct snd_pcm_plugin *plugin, in resample_shrink() argument
135 struct rate_priv *data = (struct rate_priv *)plugin->extra_data; in resample_shrink()
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| D | mulaw.c | 141 typedef void (*mulaw_f)(struct snd_pcm_plugin *plugin,
168 static void mulaw_decode(struct snd_pcm_plugin *plugin, in mulaw_decode() argument
173 struct mulaw_priv *data = (struct mulaw_priv *)plugin->extra_data; in mulaw_decode()
175 int nchannels = plugin->src_format.channels; in mulaw_decode()
183 snd_pcm_area_silence(&dst_channels[channel].area, 0, frames, plugin->dst_format.format); in mulaw_decode()
214 static void mulaw_encode(struct snd_pcm_plugin *plugin, in mulaw_encode() argument
219 struct mulaw_priv *data = (struct mulaw_priv *)plugin->extra_data; in mulaw_encode()
221 int nchannels = plugin->src_format.channels; in mulaw_encode()
229 snd_pcm_area_silence(&dst_channels[channel].area, 0, frames, plugin->dst_format.format); in mulaw_encode()
248 static snd_pcm_sframes_t mulaw_transfer(struct snd_pcm_plugin *plugin, in mulaw_transfer() argument
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| D | copy.c | 27 static snd_pcm_sframes_t copy_transfer(struct snd_pcm_plugin *plugin, in copy_transfer() argument
35 if (snd_BUG_ON(!plugin || !src_channels || !dst_channels)) in copy_transfer()
39 nchannels = plugin->src_format.channels; in copy_transfer()
49 snd_pcm_area_silence(&dst_channels->area, 0, frames, plugin->dst_format.format); in copy_transfer()
54 …snd_pcm_area_copy(&src_channels->area, 0, &dst_channels->area, 0, frames, plugin->src_format.forma… in copy_transfer()
67 struct snd_pcm_plugin *plugin; in snd_pcm_plugin_build_copy() local
86 0, &plugin); in snd_pcm_plugin_build_copy()
89 plugin->transfer = copy_transfer; in snd_pcm_plugin_build_copy()
90 *r_plugin = plugin; in snd_pcm_plugin_build_copy()
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| D | linear.c | 55 static void convert(struct snd_pcm_plugin *plugin, in convert() argument
60 struct linear_priv *data = (struct linear_priv *)plugin->extra_data; in convert()
62 int nchannels = plugin->src_format.channels; in convert()
70 snd_pcm_area_silence(&dst_channels[channel].area, 0, frames, plugin->dst_format.format); in convert()
88 static snd_pcm_sframes_t linear_transfer(struct snd_pcm_plugin *plugin, in linear_transfer() argument
93 if (snd_BUG_ON(!plugin || !src_channels || !dst_channels)) in linear_transfer()
100 for (channel = 0; channel < plugin->src_format.channels; channel++) { in linear_transfer()
112 convert(plugin, src_channels, dst_channels, frames); in linear_transfer()
156 struct snd_pcm_plugin *plugin; in snd_pcm_plugin_build_linear() local
172 sizeof(struct linear_priv), &plugin); in snd_pcm_plugin_build_linear()
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| D | route.c | 47 static snd_pcm_sframes_t route_transfer(struct snd_pcm_plugin *plugin, in route_transfer() argument
56 if (snd_BUG_ON(!plugin || !src_channels || !dst_channels)) in route_transfer()
63 nsrcs = plugin->src_format.channels; in route_transfer()
64 ndsts = plugin->dst_format.channels; in route_transfer()
66 format = plugin->dst_format.format; in route_transfer()
92 struct snd_pcm_plugin *plugin; in snd_pcm_plugin_build_route() local
104 src_format, dst_format, 0, &plugin); in snd_pcm_plugin_build_route()
108 plugin->transfer = route_transfer; in snd_pcm_plugin_build_route()
109 *r_plugin = plugin; in snd_pcm_plugin_build_route()
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| D | pcm_plugin.h | 47 snd_pcm_sframes_t (*src_frames)(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t dst_frames);
48 snd_pcm_sframes_t (*dst_frames)(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t src_frames);
49 snd_pcm_sframes_t (*client_channels)(struct snd_pcm_plugin *plugin,
52 snd_pcm_sframes_t (*transfer)(struct snd_pcm_plugin *plugin,
56 int (*action)(struct snd_pcm_plugin *plugin,
63 void (*private_free)(struct snd_pcm_plugin *plugin);
76 int snd_pcm_plugin_free(struct snd_pcm_plugin *plugin);
116 int snd_pcm_plugin_append(struct snd_pcm_plugin *plugin);
129 snd_pcm_sframes_t snd_pcm_plugin_client_channels(struct snd_pcm_plugin *plugin,
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| D | pcm_oss.c | 542 struct snd_pcm_plugin *plugin, *next; in snd_pcm_oss_plugin_clear() local
544 plugin = runtime->oss.plugin_first; in snd_pcm_oss_plugin_clear()
545 while (plugin) { in snd_pcm_oss_plugin_clear()
546 next = plugin->next; in snd_pcm_oss_plugin_clear()
547 snd_pcm_plugin_free(plugin); in snd_pcm_oss_plugin_clear()
548 plugin = next; in snd_pcm_oss_plugin_clear()
554 static int snd_pcm_plugin_insert(struct snd_pcm_plugin *plugin) in snd_pcm_plugin_insert() argument
556 struct snd_pcm_runtime *runtime = plugin->plug->runtime; in snd_pcm_plugin_insert()
557 plugin->next = runtime->oss.plugin_first; in snd_pcm_plugin_insert()
558 plugin->prev = NULL; in snd_pcm_plugin_insert()
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| /sound/core/ |
| D | Kconfig | 73 bool "OSS PCM (digital audio) API - Include plugin system"
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