*/
#include <sound/driver.h>
+
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
+
#include <linux/time.h>
#include <sound/core.h>
#include <sound/pcm.h>
* Basic linear conversion plugin
*/
-typedef struct linear_private_data {
+struct linear_priv {
int conv;
-} linear_t;
+};
-static void convert(snd_pcm_plugin_t *plugin,
- const snd_pcm_plugin_channel_t *src_channels,
- snd_pcm_plugin_channel_t *dst_channels,
+static void convert(struct snd_pcm_plugin *plugin,
+ const struct snd_pcm_plugin_channel *src_channels,
+ struct snd_pcm_plugin_channel *dst_channels,
snd_pcm_uframes_t frames)
{
#define CONV_LABELS
#include "plugin_ops.h"
#undef CONV_LABELS
- linear_t *data = (linear_t *)plugin->extra_data;
+ struct linear_priv *data = (struct linear_priv *)plugin->extra_data;
void *conv = conv_labels[data->conv];
int channel;
int nchannels = plugin->src_format.channels;
}
}
-static snd_pcm_sframes_t linear_transfer(snd_pcm_plugin_t *plugin,
- const snd_pcm_plugin_channel_t *src_channels,
- snd_pcm_plugin_channel_t *dst_channels,
+static snd_pcm_sframes_t linear_transfer(struct snd_pcm_plugin *plugin,
+ const struct snd_pcm_plugin_channel *src_channels,
+ struct snd_pcm_plugin_channel *dst_channels,
snd_pcm_uframes_t frames)
{
- linear_t *data;
+ struct linear_priv *data;
snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO);
- data = (linear_t *)plugin->extra_data;
+ data = (struct linear_priv *)plugin->extra_data;
if (frames == 0)
return 0;
#ifdef CONFIG_SND_DEBUG
return frames;
}
-int conv_index(int src_format, int dst_format)
+static int conv_index(int src_format, int dst_format)
{
int src_endian, dst_endian, sign, src_width, dst_width;
return src_width * 32 + src_endian * 16 + sign * 8 + dst_width * 2 + dst_endian;
}
-int snd_pcm_plugin_build_linear(snd_pcm_plug_t *plug,
- snd_pcm_plugin_format_t *src_format,
- snd_pcm_plugin_format_t *dst_format,
- snd_pcm_plugin_t **r_plugin)
+int snd_pcm_plugin_build_linear(struct snd_pcm_substream *plug,
+ struct snd_pcm_plugin_format *src_format,
+ struct snd_pcm_plugin_format *dst_format,
+ struct snd_pcm_plugin **r_plugin)
{
int err;
- struct linear_private_data *data;
- snd_pcm_plugin_t *plugin;
+ struct linear_priv *data;
+ struct snd_pcm_plugin *plugin;
snd_assert(r_plugin != NULL, return -ENXIO);
*r_plugin = NULL;
err = snd_pcm_plugin_build(plug, "linear format conversion",
src_format, dst_format,
- sizeof(linear_t), &plugin);
+ sizeof(struct linear_priv), &plugin);
if (err < 0)
return err;
- data = (linear_t *)plugin->extra_data;
+ data = (struct linear_priv *)plugin->extra_data;
data->conv = conv_index(src_format->format, dst_format->format);
plugin->transfer = linear_transfer;
*r_plugin = plugin;
return 0;
}
+
+#endif