*
*/
-#ifndef ATTRIBUTE_UNUSED
-#define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
-#endif
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
-typedef unsigned int bitset_t;
-
-static inline size_t bitset_size(int nbits)
-{
- return (nbits + sizeof(bitset_t) * 8 - 1) / (sizeof(bitset_t) * 8);
-}
-
-static inline bitset_t *bitset_alloc(int nbits)
-{
- return kcalloc(bitset_size(nbits), sizeof(bitset_t), GFP_KERNEL);
-}
-
-static inline void bitset_set(bitset_t *bitmap, unsigned int pos)
-{
- size_t bits = sizeof(*bitmap) * 8;
- bitmap[pos / bits] |= 1 << (pos % bits);
-}
-
-static inline void bitset_reset(bitset_t *bitmap, unsigned int pos)
-{
- size_t bits = sizeof(*bitmap) * 8;
- bitmap[pos / bits] &= ~(1 << (pos % bits));
-}
-
-static inline int bitset_get(bitset_t *bitmap, unsigned int pos)
-{
- size_t bits = sizeof(*bitmap) * 8;
- return !!(bitmap[pos / bits] & (1 << (pos % bits)));
-}
-
-static inline void bitset_copy(bitset_t *dst, bitset_t *src, unsigned int nbits)
-{
- memcpy(dst, src, bitset_size(nbits) * sizeof(bitset_t));
-}
-
-static inline void bitset_and(bitset_t *dst, bitset_t *bs, unsigned int nbits)
-{
- bitset_t *end = dst + bitset_size(nbits);
- while (dst < end)
- *dst++ &= *bs++;
-}
-
-static inline void bitset_or(bitset_t *dst, bitset_t *bs, unsigned int nbits)
-{
- bitset_t *end = dst + bitset_size(nbits);
- while (dst < end)
- *dst++ |= *bs++;
-}
-
-static inline void bitset_zero(bitset_t *dst, unsigned int nbits)
-{
- bitset_t *end = dst + bitset_size(nbits);
- while (dst < end)
- *dst++ = 0;
-}
-
-static inline void bitset_one(bitset_t *dst, unsigned int nbits)
-{
- bitset_t *end = dst + bitset_size(nbits);
- while (dst < end)
- *dst++ = ~(bitset_t)0;
-}
-
-#define snd_pcm_plug_t snd_pcm_substream_t
#define snd_pcm_plug_stream(plug) ((plug)->stream)
-typedef enum {
+enum snd_pcm_plugin_action {
INIT = 0,
PREPARE = 1,
-} snd_pcm_plugin_action_t;
+};
-typedef struct _snd_pcm_channel_area {
+struct snd_pcm_channel_area {
void *addr; /* base address of channel samples */
unsigned int first; /* offset to first sample in bits */
unsigned int step; /* samples distance in bits */
-} snd_pcm_channel_area_t;
+};
-typedef struct _snd_pcm_plugin_channel {
+struct snd_pcm_plugin_channel {
void *aptr; /* pointer to the allocated area */
- snd_pcm_channel_area_t area;
+ struct snd_pcm_channel_area area;
snd_pcm_uframes_t frames; /* allocated frames */
unsigned int enabled:1; /* channel need to be processed */
unsigned int wanted:1; /* channel is wanted */
-} snd_pcm_plugin_channel_t;
+};
-typedef struct _snd_pcm_plugin_format {
+struct snd_pcm_plugin_format {
int format;
unsigned int rate;
unsigned int channels;
-} snd_pcm_plugin_format_t;
+};
-struct _snd_pcm_plugin {
+struct snd_pcm_plugin {
const char *name; /* plug-in name */
int stream;
- snd_pcm_plugin_format_t src_format; /* source format */
- snd_pcm_plugin_format_t dst_format; /* destination format */
+ struct snd_pcm_plugin_format src_format; /* source format */
+ struct snd_pcm_plugin_format dst_format; /* destination format */
int src_width; /* sample width in bits */
int dst_width; /* sample width in bits */
int access;
- snd_pcm_sframes_t (*src_frames)(snd_pcm_plugin_t *plugin, snd_pcm_uframes_t dst_frames);
- snd_pcm_sframes_t (*dst_frames)(snd_pcm_plugin_t *plugin, snd_pcm_uframes_t src_frames);
- snd_pcm_sframes_t (*client_channels)(snd_pcm_plugin_t *plugin,
- snd_pcm_uframes_t frames,
- snd_pcm_plugin_channel_t **channels);
- int (*src_channels_mask)(snd_pcm_plugin_t *plugin,
- bitset_t *dst_vmask,
- bitset_t **src_vmask);
- int (*dst_channels_mask)(snd_pcm_plugin_t *plugin,
- bitset_t *src_vmask,
- bitset_t **dst_vmask);
- snd_pcm_sframes_t (*transfer)(snd_pcm_plugin_t *plugin,
- const snd_pcm_plugin_channel_t *src_channels,
- snd_pcm_plugin_channel_t *dst_channels,
- snd_pcm_uframes_t frames);
- int (*action)(snd_pcm_plugin_t *plugin,
- snd_pcm_plugin_action_t action,
+ snd_pcm_sframes_t (*src_frames)(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t dst_frames);
+ snd_pcm_sframes_t (*dst_frames)(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t src_frames);
+ snd_pcm_sframes_t (*client_channels)(struct snd_pcm_plugin *plugin,
+ snd_pcm_uframes_t frames,
+ struct snd_pcm_plugin_channel **channels);
+ snd_pcm_sframes_t (*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);
+ int (*action)(struct snd_pcm_plugin *plugin,
+ enum snd_pcm_plugin_action action,
unsigned long data);
- snd_pcm_plugin_t *prev;
- snd_pcm_plugin_t *next;
- snd_pcm_plug_t *plug;
+ struct snd_pcm_plugin *prev;
+ struct snd_pcm_plugin *next;
+ struct snd_pcm_substream *plug;
void *private_data;
- void (*private_free)(snd_pcm_plugin_t *plugin);
+ void (*private_free)(struct snd_pcm_plugin *plugin);
char *buf;
snd_pcm_uframes_t buf_frames;
- snd_pcm_plugin_channel_t *buf_channels;
- bitset_t *src_vmask;
- bitset_t *dst_vmask;
+ struct snd_pcm_plugin_channel *buf_channels;
char extra_data[0];
};
-int snd_pcm_plugin_build(snd_pcm_plug_t *handle,
+int snd_pcm_plugin_build(struct snd_pcm_substream *handle,
const char *name,
- snd_pcm_plugin_format_t *src_format,
- snd_pcm_plugin_format_t *dst_format,
+ struct snd_pcm_plugin_format *src_format,
+ struct snd_pcm_plugin_format *dst_format,
size_t extra,
- snd_pcm_plugin_t **ret);
-int snd_pcm_plugin_free(snd_pcm_plugin_t *plugin);
-int snd_pcm_plugin_clear(snd_pcm_plugin_t **first);
-int snd_pcm_plug_alloc(snd_pcm_plug_t *plug, snd_pcm_uframes_t frames);
-snd_pcm_sframes_t snd_pcm_plug_client_size(snd_pcm_plug_t *handle, snd_pcm_uframes_t drv_size);
-snd_pcm_sframes_t snd_pcm_plug_slave_size(snd_pcm_plug_t *handle, snd_pcm_uframes_t clt_size);
+ struct snd_pcm_plugin **ret);
+int snd_pcm_plugin_free(struct snd_pcm_plugin *plugin);
+int snd_pcm_plugin_clear(struct snd_pcm_plugin **first);
+int snd_pcm_plug_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t frames);
+snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *handle, snd_pcm_uframes_t drv_size);
+snd_pcm_sframes_t snd_pcm_plug_slave_size(struct snd_pcm_substream *handle, snd_pcm_uframes_t clt_size);
#define FULL ROUTE_PLUGIN_RESOLUTION
#define HALF ROUTE_PLUGIN_RESOLUTION / 2
-typedef int route_ttable_entry_t;
-
-int snd_pcm_plugin_build_io(snd_pcm_plug_t *handle,
- snd_pcm_hw_params_t *params,
- snd_pcm_plugin_t **r_plugin);
-int snd_pcm_plugin_build_linear(snd_pcm_plug_t *handle,
- 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_mulaw(snd_pcm_plug_t *handle,
- 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_rate(snd_pcm_plug_t *handle,
- 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_route(snd_pcm_plug_t *handle,
- snd_pcm_plugin_format_t *src_format,
- snd_pcm_plugin_format_t *dst_format,
- route_ttable_entry_t *ttable,
- snd_pcm_plugin_t **r_plugin);
-int snd_pcm_plugin_build_copy(snd_pcm_plug_t *handle,
- snd_pcm_plugin_format_t *src_format,
- snd_pcm_plugin_format_t *dst_format,
- snd_pcm_plugin_t **r_plugin);
-
-int snd_pcm_plug_format_plugins(snd_pcm_plug_t *substream,
- snd_pcm_hw_params_t *params,
- snd_pcm_hw_params_t *slave_params);
-
-int snd_pcm_plug_slave_format(int format, snd_mask_t *format_mask);
-
-int snd_pcm_plugin_append(snd_pcm_plugin_t *plugin);
-
-snd_pcm_sframes_t snd_pcm_plug_write_transfer(snd_pcm_plug_t *handle, snd_pcm_plugin_channel_t *src_channels, snd_pcm_uframes_t size);
-snd_pcm_sframes_t snd_pcm_plug_read_transfer(snd_pcm_plug_t *handle, snd_pcm_plugin_channel_t *dst_channels_final, snd_pcm_uframes_t size);
-
-snd_pcm_sframes_t snd_pcm_plug_client_channels_buf(snd_pcm_plug_t *handle,
- char *buf, snd_pcm_uframes_t count,
- snd_pcm_plugin_channel_t **channels);
-
-snd_pcm_sframes_t snd_pcm_plugin_client_channels(snd_pcm_plugin_t *plugin,
- snd_pcm_uframes_t frames,
- snd_pcm_plugin_channel_t **channels);
-
-int snd_pcm_area_silence(const snd_pcm_channel_area_t *dst_channel, size_t dst_offset,
+
+int snd_pcm_plugin_build_io(struct snd_pcm_substream *handle,
+ struct snd_pcm_hw_params *params,
+ struct snd_pcm_plugin **r_plugin);
+int snd_pcm_plugin_build_linear(struct snd_pcm_substream *handle,
+ struct snd_pcm_plugin_format *src_format,
+ struct snd_pcm_plugin_format *dst_format,
+ struct snd_pcm_plugin **r_plugin);
+int snd_pcm_plugin_build_mulaw(struct snd_pcm_substream *handle,
+ struct snd_pcm_plugin_format *src_format,
+ struct snd_pcm_plugin_format *dst_format,
+ struct snd_pcm_plugin **r_plugin);
+int snd_pcm_plugin_build_rate(struct snd_pcm_substream *handle,
+ struct snd_pcm_plugin_format *src_format,
+ struct snd_pcm_plugin_format *dst_format,
+ struct snd_pcm_plugin **r_plugin);
+int snd_pcm_plugin_build_route(struct snd_pcm_substream *handle,
+ struct snd_pcm_plugin_format *src_format,
+ struct snd_pcm_plugin_format *dst_format,
+ struct snd_pcm_plugin **r_plugin);
+int snd_pcm_plugin_build_copy(struct snd_pcm_substream *handle,
+ struct snd_pcm_plugin_format *src_format,
+ struct snd_pcm_plugin_format *dst_format,
+ struct snd_pcm_plugin **r_plugin);
+
+int snd_pcm_plug_format_plugins(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_params *slave_params);
+
+int snd_pcm_plug_slave_format(int format, struct snd_mask *format_mask);
+
+int snd_pcm_plugin_append(struct snd_pcm_plugin *plugin);
+
+snd_pcm_sframes_t snd_pcm_plug_write_transfer(struct snd_pcm_substream *handle,
+ struct snd_pcm_plugin_channel *src_channels,
+ snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_plug_read_transfer(struct snd_pcm_substream *handle,
+ struct snd_pcm_plugin_channel *dst_channels_final,
+ snd_pcm_uframes_t size);
+
+snd_pcm_sframes_t snd_pcm_plug_client_channels_buf(struct snd_pcm_substream *handle,
+ char *buf, snd_pcm_uframes_t count,
+ struct snd_pcm_plugin_channel **channels);
+
+snd_pcm_sframes_t snd_pcm_plugin_client_channels(struct snd_pcm_plugin *plugin,
+ snd_pcm_uframes_t frames,
+ struct snd_pcm_plugin_channel **channels);
+
+int snd_pcm_area_silence(const struct snd_pcm_channel_area *dst_channel,
+ size_t dst_offset,
size_t samples, int format);
-int snd_pcm_area_copy(const snd_pcm_channel_area_t *src_channel, size_t src_offset,
- const snd_pcm_channel_area_t *dst_channel, size_t dst_offset,
+int snd_pcm_area_copy(const struct snd_pcm_channel_area *src_channel,
+ size_t src_offset,
+ const struct snd_pcm_channel_area *dst_channel,
+ size_t dst_offset,
size_t samples, int format);
-void *snd_pcm_plug_buf_alloc(snd_pcm_plug_t *plug, snd_pcm_uframes_t size);
-void snd_pcm_plug_buf_unlock(snd_pcm_plug_t *plug, void *ptr);
-snd_pcm_sframes_t snd_pcm_oss_write3(snd_pcm_substream_t *substream, const char *ptr, snd_pcm_uframes_t size, int in_kernel);
-snd_pcm_sframes_t snd_pcm_oss_read3(snd_pcm_substream_t *substream, char *ptr, snd_pcm_uframes_t size, int in_kernel);
-snd_pcm_sframes_t snd_pcm_oss_writev3(snd_pcm_substream_t *substream, void **bufs, snd_pcm_uframes_t frames, int in_kernel);
-snd_pcm_sframes_t snd_pcm_oss_readv3(snd_pcm_substream_t *substream, void **bufs, snd_pcm_uframes_t frames, int in_kernel);
-
-
+void *snd_pcm_plug_buf_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t size);
+void snd_pcm_plug_buf_unlock(struct snd_pcm_substream *plug, void *ptr);
+snd_pcm_sframes_t snd_pcm_oss_write3(struct snd_pcm_substream *substream,
+ const char *ptr, snd_pcm_uframes_t size,
+ int in_kernel);
+snd_pcm_sframes_t snd_pcm_oss_read3(struct snd_pcm_substream *substream,
+ char *ptr, snd_pcm_uframes_t size, int in_kernel);
+snd_pcm_sframes_t snd_pcm_oss_writev3(struct snd_pcm_substream *substream,
+ void **bufs, snd_pcm_uframes_t frames,
+ int in_kernel);
+snd_pcm_sframes_t snd_pcm_oss_readv3(struct snd_pcm_substream *substream,
+ void **bufs, snd_pcm_uframes_t frames,
+ int in_kernel);
-#define ROUTE_PLUGIN_RESOLUTION 16
+#else
-int getput_index(int format);
-int copy_index(int format);
-int conv_index(int src_format, int dst_format);
+static inline snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *handle, snd_pcm_uframes_t drv_size) { return drv_size; }
+static inline snd_pcm_sframes_t snd_pcm_plug_slave_size(struct snd_pcm_substream *handle, snd_pcm_uframes_t clt_size) { return clt_size; }
+static inline int snd_pcm_plug_slave_format(int format, struct snd_mask *format_mask) { return format; }
-void zero_channel(snd_pcm_plugin_t *plugin,
- const snd_pcm_plugin_channel_t *dst_channel,
- size_t samples);
+#endif
#ifdef PLUGIN_DEBUG
#define pdprintf( fmt, args... ) printk( "plugin: " fmt, ##args)
git://git.onelab.eu / linux-2.6.git / blobdiff