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raspberrypi-kernel
提交 6ac77bc1 编写于 作者: T Takashi Iwai 提交者： Jaroslav Kysela
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[ALSA] Remove xxx_t typedefs: PCM OSS-emulation 

Modules: ALSA<-OSS emulation

Remove xxx_t typedefs from the core PCM OSS-emulation codes.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
上级 f956b4a3
展开全部 隐藏空白更改
内联 并排
Showing with 543 addition and 533 deletion
include/sound/pcm_oss.h
浏览文件 @ 6ac77bc1
......@@ -22,10 +22,7 @@
*
*/
typedef struct _snd_pcm_plugin snd_pcm_plugin_t;
typedef struct _snd_pcm_oss_setup snd_pcm_oss_setup_t;
struct _snd_pcm_oss_setup {
struct snd_pcm_oss_setup {
char *task_name;
unsigned int disable:1,
direct:1,
......@@ -36,10 +33,10 @@ struct _snd_pcm_oss_setup {
buggyptr:1;
unsigned int periods;
unsigned int period_size;
snd_pcm_oss_setup_t *next;
struct snd_pcm_oss_setup *next;
};
typedef struct _snd_pcm_oss_runtime {
struct snd_pcm_oss_runtime {
unsigned params: 1, /* format/parameter change */
prepare: 1, /* need to prepare the operation */
trigger: 1, /* trigger flag */
......@@ -59,30 +56,30 @@ typedef struct _snd_pcm_oss_runtime {
size_t mmap_bytes;
char *buffer; /* vmallocated period */
size_t buffer_used; /* used length from period buffer */
snd_pcm_plugin_t *plugin_first;
snd_pcm_plugin_t *plugin_last;
struct snd_pcm_plugin *plugin_first;
struct snd_pcm_plugin *plugin_last;
unsigned int prev_hw_ptr_interrupt;
} snd_pcm_oss_runtime_t;
};
typedef struct _snd_pcm_oss_file {
snd_pcm_substream_t *streams[2];
} snd_pcm_oss_file_t;
struct snd_pcm_oss_file {
struct snd_pcm_substream *streams[2];
};
typedef struct _snd_pcm_oss_substream {
struct snd_pcm_oss_substream {
unsigned oss: 1; /* oss mode */
snd_pcm_oss_setup_t *setup; /* active setup */
snd_pcm_oss_file_t *file;
} snd_pcm_oss_substream_t;
struct snd_pcm_oss_setup *setup; /* active setup */
struct snd_pcm_oss_file *file;
};
typedef struct _snd_pcm_oss_stream {
snd_pcm_oss_setup_t *setup_list; /* setup list */
struct snd_pcm_oss_stream {
struct snd_pcm_oss_setup *setup_list; /* setup list */
struct semaphore setup_mutex;
snd_info_entry_t *proc_entry;
} snd_pcm_oss_stream_t;
struct snd_info_entry *proc_entry;
};
typedef struct _snd_pcm_oss {
struct snd_pcm_oss {
int reg;
unsigned int reg_mask;
} snd_pcm_oss_t;
};
#endif /* __SOUND_PCM_OSS_H */
sound/core/oss/copy.c
浏览文件 @ 6ac77bc1
......@@ -25,9 +25,9 @@
#include <sound/pcm.h>
#include "pcm_plugin.h"
static snd_pcm_sframes_t copy_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 copy_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)
{
unsigned int channel;
......@@ -58,13 +58,13 @@ static snd_pcm_sframes_t copy_transfer(snd_pcm_plugin_t *plugin,
return frames;
}
int snd_pcm_plugin_build_copy(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_copy(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;
snd_pcm_plugin_t *plugin;
struct snd_pcm_plugin *plugin;
int width;
snd_assert(r_plugin != NULL, return -ENXIO);
......
sound/core/oss/io.c
浏览文件 @ 6ac77bc1
......@@ -35,9 +35,9 @@
* Basic io plugin
*/
static snd_pcm_sframes_t io_playback_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 io_playback_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)
{
snd_assert(plugin != NULL, return -ENXIO);
......@@ -58,9 +58,9 @@ static snd_pcm_sframes_t io_playback_transfer(snd_pcm_plugin_t *plugin,
}
}
static snd_pcm_sframes_t io_capture_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 io_capture_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)
{
snd_assert(plugin != NULL, return -ENXIO);
......@@ -82,13 +82,13 @@ static snd_pcm_sframes_t io_capture_transfer(snd_pcm_plugin_t *plugin,
return 0;
}
static snd_pcm_sframes_t io_src_channels(snd_pcm_plugin_t *plugin,
static snd_pcm_sframes_t io_src_channels(struct snd_pcm_plugin *plugin,
snd_pcm_uframes_t frames,
snd_pcm_plugin_channel_t **channels)
struct snd_pcm_plugin_channel **channels)
{
int err;
unsigned int channel;
snd_pcm_plugin_channel_t *v;
struct snd_pcm_plugin_channel *v;
err = snd_pcm_plugin_client_channels(plugin, frames, &v);
if (err < 0)
return err;
......@@ -100,13 +100,13 @@ static snd_pcm_sframes_t io_src_channels(snd_pcm_plugin_t *plugin,
return frames;
}
int snd_pcm_plugin_build_io(snd_pcm_plug_t *plug,
snd_pcm_hw_params_t *params,
snd_pcm_plugin_t **r_plugin)
int snd_pcm_plugin_build_io(struct snd_pcm_substream *plug,
struct snd_pcm_hw_params *params,
struct snd_pcm_plugin **r_plugin)
{
int err;
snd_pcm_plugin_format_t format;
snd_pcm_plugin_t *plugin;
struct snd_pcm_plugin_format format;
struct snd_pcm_plugin *plugin;
snd_assert(r_plugin != NULL, return -ENXIO);
*r_plugin = NULL;
......
sound/core/oss/linear.c
浏览文件 @ 6ac77bc1
......@@ -30,19 +30,19 @@
* 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;
......@@ -75,15 +75,15 @@ static void convert(snd_pcm_plugin_t *plugin,
}
}
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
......@@ -128,14 +128,14 @@ int conv_index(int src_format, int dst_format)
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;
......@@ -147,10 +147,10 @@ int snd_pcm_plugin_build_linear(snd_pcm_plug_t *plug,
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;
......
sound/core/oss/mulaw.c
浏览文件 @ 6ac77bc1
......@@ -139,25 +139,25 @@ static int ulaw2linear(unsigned char u_val)
* Basic Mu-Law plugin
*/
typedef void (*mulaw_f)(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_channel_t *src_channels,
snd_pcm_plugin_channel_t *dst_channels,
typedef void (*mulaw_f)(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);
typedef struct mulaw_private_data {
struct mulaw_priv {
mulaw_f func;
int conv;
} mulaw_t;
};
static void mulaw_decode(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_channel_t *src_channels,
snd_pcm_plugin_channel_t *dst_channels,
static void mulaw_decode(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 PUT_S16_LABELS
#include "plugin_ops.h"
#undef PUT_S16_LABELS
mulaw_t *data = (mulaw_t *)plugin->extra_data;
struct mulaw_priv *data = (struct mulaw_priv *)plugin->extra_data;
void *put = put_s16_labels[data->conv];
int channel;
int nchannels = plugin->src_format.channels;
......@@ -191,15 +191,15 @@ static void mulaw_decode(snd_pcm_plugin_t *plugin,
}
}
static void mulaw_encode(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_channel_t *src_channels,
snd_pcm_plugin_channel_t *dst_channels,
static void mulaw_encode(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 GET_S16_LABELS
#include "plugin_ops.h"
#undef GET_S16_LABELS
mulaw_t *data = (mulaw_t *)plugin->extra_data;
struct mulaw_priv *data = (struct mulaw_priv *)plugin->extra_data;
void *get = get_s16_labels[data->conv];
int channel;
int nchannels = plugin->src_format.channels;
......@@ -234,12 +234,12 @@ static void mulaw_encode(snd_pcm_plugin_t *plugin,
}
}
static snd_pcm_sframes_t mulaw_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 mulaw_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)
{
mulaw_t *data;
struct mulaw_priv *data;
snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO);
if (frames == 0)
......@@ -257,20 +257,20 @@ static snd_pcm_sframes_t mulaw_transfer(snd_pcm_plugin_t *plugin,
}
}
#endif
data = (mulaw_t *)plugin->extra_data;
data = (struct mulaw_priv *)plugin->extra_data;
data->func(plugin, src_channels, dst_channels, frames);
return frames;
}
int snd_pcm_plugin_build_mulaw(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_mulaw(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;
mulaw_t *data;
snd_pcm_plugin_t *plugin;
snd_pcm_plugin_format_t *format;
struct mulaw_priv *data;
struct snd_pcm_plugin *plugin;
struct snd_pcm_plugin_format *format;
mulaw_f func;
snd_assert(r_plugin != NULL, return -ENXIO);
......@@ -295,10 +295,10 @@ int snd_pcm_plugin_build_mulaw(snd_pcm_plug_t *plug,
err = snd_pcm_plugin_build(plug, "Mu-Law<->linear conversion",
src_format, dst_format,
sizeof(mulaw_t), &plugin);
sizeof(struct mulaw_priv), &plugin);
if (err < 0)
return err;
data = (mulaw_t*)plugin->extra_data;
data = (struct mulaw_priv *)plugin->extra_data;
data->func = func;
data->conv = getput_index(format->format);
snd_assert(data->conv >= 0 && data->conv < 4*2*2, return -EINVAL);
......
sound/core/oss/pcm_oss.c
浏览文件 @ 6ac77bc1
此差异已折叠。
sound/core/oss/pcm_plugin.c
浏览文件 @ 6ac77bc1
......@@ -36,7 +36,7 @@
#define snd_pcm_plug_first(plug) ((plug)->runtime->oss.plugin_first)
#define snd_pcm_plug_last(plug) ((plug)->runtime->oss.plugin_last)
static int snd_pcm_plugin_src_channels_mask(snd_pcm_plugin_t *plugin,
static int snd_pcm_plugin_src_channels_mask(struct snd_pcm_plugin *plugin,
unsigned long *dst_vmask,
unsigned long **src_vmask)
{
......@@ -46,7 +46,7 @@ static int snd_pcm_plugin_src_channels_mask(snd_pcm_plugin_t *plugin,
return 0;
}
static int snd_pcm_plugin_dst_channels_mask(snd_pcm_plugin_t *plugin,
static int snd_pcm_plugin_dst_channels_mask(struct snd_pcm_plugin *plugin,
unsigned long *src_vmask,
unsigned long **dst_vmask)
{
......@@ -67,13 +67,13 @@ static int rate_match(unsigned int src_rate, unsigned int dst_rate)
return dst_rate >= low && dst_rate <= high;
}
static int snd_pcm_plugin_alloc(snd_pcm_plugin_t *plugin, snd_pcm_uframes_t frames)
static int snd_pcm_plugin_alloc(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t frames)
{
snd_pcm_plugin_format_t *format;
struct snd_pcm_plugin_format *format;
ssize_t width;
size_t size;
unsigned int channel;
snd_pcm_plugin_channel_t *c;
struct snd_pcm_plugin_channel *c;
if (plugin->stream == SNDRV_PCM_STREAM_PLAYBACK) {
format = &plugin->src_format;
......@@ -120,12 +120,12 @@ static int snd_pcm_plugin_alloc(snd_pcm_plugin_t *plugin, snd_pcm_uframes_t fram
return 0;
}
int snd_pcm_plug_alloc(snd_pcm_plug_t *plug, snd_pcm_uframes_t frames)
int snd_pcm_plug_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t frames)
{
int err;
snd_assert(snd_pcm_plug_first(plug) != NULL, return -ENXIO);
if (snd_pcm_plug_stream(plug) == SNDRV_PCM_STREAM_PLAYBACK) {
snd_pcm_plugin_t *plugin = snd_pcm_plug_first(plug);
struct snd_pcm_plugin *plugin = snd_pcm_plug_first(plug);
while (plugin->next) {
if (plugin->dst_frames)
frames = plugin->dst_frames(plugin, frames);
......@@ -136,7 +136,7 @@ int snd_pcm_plug_alloc(snd_pcm_plug_t *plug, snd_pcm_uframes_t frames)
return err;
}
} else {
snd_pcm_plugin_t *plugin = snd_pcm_plug_last(plug);
struct snd_pcm_plugin *plugin = snd_pcm_plug_last(plug);
while (plugin->prev) {
if (plugin->src_frames)
frames = plugin->src_frames(plugin, frames);
......@@ -151,22 +151,22 @@ int snd_pcm_plug_alloc(snd_pcm_plug_t *plug, snd_pcm_uframes_t frames)
}
snd_pcm_sframes_t snd_pcm_plugin_client_channels(snd_pcm_plugin_t *plugin,
snd_pcm_sframes_t snd_pcm_plugin_client_channels(struct snd_pcm_plugin *plugin,
snd_pcm_uframes_t frames,
snd_pcm_plugin_channel_t **channels)
struct snd_pcm_plugin_channel **channels)
{
*channels = plugin->buf_channels;
return frames;
}
int snd_pcm_plugin_build(snd_pcm_plug_t *plug,
int snd_pcm_plugin_build(struct snd_pcm_substream *plug,
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)
struct snd_pcm_plugin **ret)
{
snd_pcm_plugin_t *plugin;
struct snd_pcm_plugin *plugin;
unsigned int channels;
snd_assert(plug != NULL, return -ENXIO);
......@@ -210,7 +210,7 @@ int snd_pcm_plugin_build(snd_pcm_plug_t *plug,
return 0;
}
int snd_pcm_plugin_free(snd_pcm_plugin_t *plugin)
int snd_pcm_plugin_free(struct snd_pcm_plugin *plugin)
{
if (! plugin)
return 0;
......@@ -224,9 +224,9 @@ int snd_pcm_plugin_free(snd_pcm_plugin_t *plugin)
return 0;
}
snd_pcm_sframes_t snd_pcm_plug_client_size(snd_pcm_plug_t *plug, snd_pcm_uframes_t drv_frames)
snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *plug, snd_pcm_uframes_t drv_frames)
{
snd_pcm_plugin_t *plugin, *plugin_prev, *plugin_next;
struct snd_pcm_plugin *plugin, *plugin_prev, *plugin_next;
int stream = snd_pcm_plug_stream(plug);
snd_assert(plug != NULL, return -ENXIO);
......@@ -253,9 +253,9 @@ snd_pcm_sframes_t snd_pcm_plug_client_size(snd_pcm_plug_t *plug, snd_pcm_uframes
return drv_frames;
}
snd_pcm_sframes_t snd_pcm_plug_slave_size(snd_pcm_plug_t *plug, snd_pcm_uframes_t clt_frames)
snd_pcm_sframes_t snd_pcm_plug_slave_size(struct snd_pcm_substream *plug, snd_pcm_uframes_t clt_frames)
{
snd_pcm_plugin_t *plugin, *plugin_prev, *plugin_next;
struct snd_pcm_plugin *plugin, *plugin_prev, *plugin_next;
snd_pcm_sframes_t frames;
int stream = snd_pcm_plug_stream(plug);
......@@ -290,9 +290,9 @@ snd_pcm_sframes_t snd_pcm_plug_slave_size(snd_pcm_plug_t *plug, snd_pcm_uframes_
return frames;
}
static int snd_pcm_plug_formats(snd_mask_t *mask, int format)
static int snd_pcm_plug_formats(struct snd_mask *mask, int format)
{
snd_mask_t formats = *mask;
struct snd_mask formats = *mask;
u64 linfmts = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 |
SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_U16_BE | SNDRV_PCM_FMTBIT_S16_BE |
......@@ -326,7 +326,7 @@ static int preferred_formats[] = {
SNDRV_PCM_FORMAT_U8
};
int snd_pcm_plug_slave_format(int format, snd_mask_t *format_mask)
int snd_pcm_plug_slave_format(int format, struct snd_mask *format_mask)
{
if (snd_mask_test(format_mask, format))
return format;
......@@ -376,15 +376,15 @@ int snd_pcm_plug_slave_format(int format, snd_mask_t *format_mask)
}
}
int snd_pcm_plug_format_plugins(snd_pcm_plug_t *plug,
snd_pcm_hw_params_t *params,
snd_pcm_hw_params_t *slave_params)
int snd_pcm_plug_format_plugins(struct snd_pcm_substream *plug,
struct snd_pcm_hw_params *params,
struct snd_pcm_hw_params *slave_params)
{
snd_pcm_plugin_format_t tmpformat;
snd_pcm_plugin_format_t dstformat;
snd_pcm_plugin_format_t srcformat;
struct snd_pcm_plugin_format tmpformat;
struct snd_pcm_plugin_format dstformat;
struct snd_pcm_plugin_format srcformat;
int src_access, dst_access;
snd_pcm_plugin_t *plugin = NULL;
struct snd_pcm_plugin *plugin = NULL;
int err;
int stream = snd_pcm_plug_stream(plug);
int slave_interleaved = (params_channels(slave_params) == 1 ||
......@@ -462,7 +462,7 @@ int snd_pcm_plug_format_plugins(snd_pcm_plug_t *plug,
if (srcformat.channels > dstformat.channels) {
int sv = srcformat.channels;
int dv = dstformat.channels;
route_ttable_entry_t *ttable = kcalloc(dv * sv, sizeof(*ttable), GFP_KERNEL);
int *ttable = kcalloc(dv * sv, sizeof(*ttable), GFP_KERNEL);
if (ttable == NULL)
return -ENOMEM;
#if 1
......@@ -525,7 +525,7 @@ int snd_pcm_plug_format_plugins(snd_pcm_plug_t *plug,
if (srcformat.channels < dstformat.channels) {
int sv = srcformat.channels;
int dv = dstformat.channels;
route_ttable_entry_t *ttable = kcalloc(dv * sv, sizeof(*ttable), GFP_KERNEL);
int *ttable = kcalloc(dv * sv, sizeof(*ttable), GFP_KERNEL);
if (ttable == NULL)
return -ENOMEM;
#if 0
......@@ -614,14 +614,14 @@ int snd_pcm_plug_format_plugins(snd_pcm_plug_t *plug,
return 0;
}
snd_pcm_sframes_t snd_pcm_plug_client_channels_buf(snd_pcm_plug_t *plug,
snd_pcm_sframes_t snd_pcm_plug_client_channels_buf(struct snd_pcm_substream *plug,
char *buf,
snd_pcm_uframes_t count,
snd_pcm_plugin_channel_t **channels)
struct snd_pcm_plugin_channel **channels)
{
snd_pcm_plugin_t *plugin;
snd_pcm_plugin_channel_t *v;
snd_pcm_plugin_format_t *format;
struct snd_pcm_plugin *plugin;
struct snd_pcm_plugin_channel *v;
struct snd_pcm_plugin_format *format;
int width, nchannels, channel;
int stream = snd_pcm_plug_stream(plug);
......@@ -650,10 +650,10 @@ snd_pcm_sframes_t snd_pcm_plug_client_channels_buf(snd_pcm_plug_t *plug,
return count;
}
static int snd_pcm_plug_playback_channels_mask(snd_pcm_plug_t *plug,
static int snd_pcm_plug_playback_channels_mask(struct snd_pcm_substream *plug,
unsigned long *client_vmask)
{
snd_pcm_plugin_t *plugin = snd_pcm_plug_last(plug);
struct snd_pcm_plugin *plugin = snd_pcm_plug_last(plug);
if (plugin == NULL) {
return 0;
} else {
......@@ -678,10 +678,10 @@ static int snd_pcm_plug_playback_channels_mask(snd_pcm_plug_t *plug,
}
}
static int snd_pcm_plug_playback_disable_useless_channels(snd_pcm_plug_t *plug,
snd_pcm_plugin_channel_t *src_channels)
static int snd_pcm_plug_playback_disable_useless_channels(struct snd_pcm_substream *plug,
struct snd_pcm_plugin_channel *src_channels)
{
snd_pcm_plugin_t *plugin = snd_pcm_plug_first(plug);
struct snd_pcm_plugin *plugin = snd_pcm_plug_first(plug);
unsigned int nchannels = plugin->src_format.channels;
DECLARE_BITMAP(bs, nchannels);
unsigned long *srcmask = bs;
......@@ -703,11 +703,11 @@ static int snd_pcm_plug_playback_disable_useless_channels(snd_pcm_plug_t *plug,
return 0;
}
static int snd_pcm_plug_capture_disable_useless_channels(snd_pcm_plug_t *plug,
snd_pcm_plugin_channel_t *src_channels,
snd_pcm_plugin_channel_t *client_channels)
static int snd_pcm_plug_capture_disable_useless_channels(struct snd_pcm_substream *plug,
struct snd_pcm_plugin_channel *src_channels,
struct snd_pcm_plugin_channel *client_channels)
{
snd_pcm_plugin_t *plugin = snd_pcm_plug_last(plug);
struct snd_pcm_plugin *plugin = snd_pcm_plug_last(plug);
unsigned int nchannels = plugin->dst_format.channels;
DECLARE_BITMAP(bs, nchannels);
unsigned long *dstmask = bs;
......@@ -736,10 +736,10 @@ static int snd_pcm_plug_capture_disable_useless_channels(snd_pcm_plug_t *plug,
return 0;
}
snd_pcm_sframes_t snd_pcm_plug_write_transfer(snd_pcm_plug_t *plug, snd_pcm_plugin_channel_t *src_channels, snd_pcm_uframes_t size)
snd_pcm_sframes_t snd_pcm_plug_write_transfer(struct snd_pcm_substream *plug, struct snd_pcm_plugin_channel *src_channels, snd_pcm_uframes_t size)
{
snd_pcm_plugin_t *plugin, *next;
snd_pcm_plugin_channel_t *dst_channels;
struct snd_pcm_plugin *plugin, *next;
struct snd_pcm_plugin_channel *dst_channels;
int err;
snd_pcm_sframes_t frames = size;
......@@ -771,10 +771,10 @@ snd_pcm_sframes_t snd_pcm_plug_write_transfer(snd_pcm_plug_t *plug, snd_pcm_plug
return snd_pcm_plug_client_size(plug, frames);
}
snd_pcm_sframes_t snd_pcm_plug_read_transfer(snd_pcm_plug_t *plug, snd_pcm_plugin_channel_t *dst_channels_final, snd_pcm_uframes_t size)
snd_pcm_sframes_t snd_pcm_plug_read_transfer(struct snd_pcm_substream *plug, struct snd_pcm_plugin_channel *dst_channels_final, snd_pcm_uframes_t size)
{
snd_pcm_plugin_t *plugin, *next;
snd_pcm_plugin_channel_t *src_channels, *dst_channels;
struct snd_pcm_plugin *plugin, *next;
struct snd_pcm_plugin_channel *src_channels, *dst_channels;
snd_pcm_sframes_t frames = size;
int err;
......@@ -806,7 +806,7 @@ snd_pcm_sframes_t snd_pcm_plug_read_transfer(snd_pcm_plug_t *plug, snd_pcm_plugi
return frames;
}
int snd_pcm_area_silence(const snd_pcm_channel_area_t *dst_area, size_t dst_offset,
int snd_pcm_area_silence(const struct snd_pcm_channel_area *dst_area, size_t dst_offset,
size_t samples, int format)
{
/* FIXME: sub byte resolution and odd dst_offset */
......@@ -852,8 +852,8 @@ int snd_pcm_area_silence(const snd_pcm_channel_area_t *dst_area, size_t dst_offs
return 0;
}
int snd_pcm_area_copy(const snd_pcm_channel_area_t *src_area, size_t src_offset,
const snd_pcm_channel_area_t *dst_area, size_t dst_offset,
int snd_pcm_area_copy(const struct snd_pcm_channel_area *src_area, size_t src_offset,
const struct snd_pcm_channel_area *dst_area, size_t dst_offset,
size_t samples, int format)
{
/* FIXME: sub byte resolution and odd dst_offset */
......
sound/core/oss/pcm_plugin.h
浏览文件 @ 6ac77bc1
......@@ -29,147 +29,157 @@ static inline unsigned long *bitmap_alloc(unsigned int nbits)
return kmalloc(BITS_TO_LONGS(nbits), GFP_KERNEL);
}
#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,
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);
int (*src_channels_mask)(struct snd_pcm_plugin *plugin,
unsigned long *dst_vmask,
unsigned long **src_vmask);
int (*dst_channels_mask)(snd_pcm_plugin_t *plugin,
int (*dst_channels_mask)(struct snd_pcm_plugin *plugin,
unsigned long *src_vmask,
unsigned long **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 (*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;
struct snd_pcm_plugin_channel *buf_channels;
unsigned long *src_vmask;
unsigned long *dst_vmask;
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,
int *ttable,
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
......@@ -177,8 +187,8 @@ int getput_index(int format);
int copy_index(int format);
int conv_index(int src_format, int dst_format);
void zero_channel(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_channel_t *dst_channel,
void zero_channel(struct snd_pcm_plugin *plugin,
const struct snd_pcm_plugin_channel *dst_channel,
size_t samples);
#ifdef PLUGIN_DEBUG
......
sound/core/oss/rate.c
浏览文件 @ 6ac77bc1
......@@ -33,29 +33,29 @@
* Basic rate conversion plugin
*/
typedef struct {
struct rate_channel {
signed short last_S1;
signed short last_S2;
} rate_channel_t;
};
typedef void (*rate_f)(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_channel_t *src_channels,
snd_pcm_plugin_channel_t *dst_channels,
typedef void (*rate_f)(struct snd_pcm_plugin *plugin,
const struct snd_pcm_plugin_channel *src_channels,
struct snd_pcm_plugin_channel *dst_channels,
int src_frames, int dst_frames);
typedef struct rate_private_data {
struct rate_priv {
unsigned int pitch;
unsigned int pos;
rate_f func;
int get, put;
snd_pcm_sframes_t old_src_frames, old_dst_frames;
rate_channel_t channels[0];
} rate_t;
struct rate_channel channels[0];
};
static void rate_init(snd_pcm_plugin_t *plugin)
static void rate_init(struct snd_pcm_plugin *plugin)
{
unsigned int channel;
rate_t *data = (rate_t *)plugin->extra_data;
struct rate_priv *data = (struct rate_priv *)plugin->extra_data;
data->pos = 0;
for (channel = 0; channel < plugin->src_format.channels; channel++) {
data->channels[channel].last_S1 = 0;
......@@ -63,9 +63,9 @@ static void rate_init(snd_pcm_plugin_t *plugin)
}
}
static void resample_expand(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_channel_t *src_channels,
snd_pcm_plugin_channel_t *dst_channels,
static void resample_expand(struct snd_pcm_plugin *plugin,
const struct snd_pcm_plugin_channel *src_channels,
struct snd_pcm_plugin_channel *dst_channels,
int src_frames, int dst_frames)
{
unsigned int pos = 0;
......@@ -75,8 +75,8 @@ static void resample_expand(snd_pcm_plugin_t *plugin,
unsigned int channel;
int src_step, dst_step;
int src_frames1, dst_frames1;
rate_t *data = (rate_t *)plugin->extra_data;
rate_channel_t *rchannels = data->channels;
struct rate_priv *data = (struct rate_priv *)plugin->extra_data;
struct rate_channel *rchannels = data->channels;
#define GET_S16_LABELS
#define PUT_S16_LABELS
......@@ -139,9 +139,9 @@ static void resample_expand(snd_pcm_plugin_t *plugin,
data->pos = pos;
}
static void resample_shrink(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_channel_t *src_channels,
snd_pcm_plugin_channel_t *dst_channels,
static void resample_shrink(struct snd_pcm_plugin *plugin,
const struct snd_pcm_plugin_channel *src_channels,
struct snd_pcm_plugin_channel *dst_channels,
int src_frames, int dst_frames)
{
unsigned int pos = 0;
......@@ -151,8 +151,8 @@ static void resample_shrink(snd_pcm_plugin_t *plugin,
unsigned int channel;
int src_step, dst_step;
int src_frames1, dst_frames1;
rate_t *data = (rate_t *)plugin->extra_data;
rate_channel_t *rchannels = data->channels;
struct rate_priv *data = (struct rate_priv *)plugin->extra_data;
struct rate_channel *rchannels = data->channels;
#define GET_S16_LABELS
#define PUT_S16_LABELS
......@@ -216,15 +216,15 @@ static void resample_shrink(snd_pcm_plugin_t *plugin,
data->pos = pos;
}
static snd_pcm_sframes_t rate_src_frames(snd_pcm_plugin_t *plugin, snd_pcm_uframes_t frames)
static snd_pcm_sframes_t rate_src_frames(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t frames)
{
rate_t *data;
struct rate_priv *data;
snd_pcm_sframes_t res;
snd_assert(plugin != NULL, return -ENXIO);
if (frames == 0)
return 0;
data = (rate_t *)plugin->extra_data;
data = (struct rate_priv *)plugin->extra_data;
if (plugin->src_format.rate < plugin->dst_format.rate) {
res = (((frames * data->pitch) + (BITS/2)) >> SHIFT);
} else {
......@@ -248,15 +248,15 @@ static snd_pcm_sframes_t rate_src_frames(snd_pcm_plugin_t *plugin, snd_pcm_ufram
return res;
}
static snd_pcm_sframes_t rate_dst_frames(snd_pcm_plugin_t *plugin, snd_pcm_uframes_t frames)
static snd_pcm_sframes_t rate_dst_frames(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t frames)
{
rate_t *data;
struct rate_priv *data;
snd_pcm_sframes_t res;
snd_assert(plugin != NULL, return -ENXIO);
if (frames == 0)
return 0;
data = (rate_t *)plugin->extra_data;
data = (struct rate_priv *)plugin->extra_data;
if (plugin->src_format.rate < plugin->dst_format.rate) {
res = (((frames << SHIFT) + (data->pitch / 2)) / data->pitch);
} else {
......@@ -280,13 +280,13 @@ static snd_pcm_sframes_t rate_dst_frames(snd_pcm_plugin_t *plugin, snd_pcm_ufram
return res;
}
static snd_pcm_sframes_t rate_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 rate_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)
{
snd_pcm_uframes_t dst_frames;
rate_t *data;
struct rate_priv *data;
snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO);
if (frames == 0)
......@@ -308,13 +308,13 @@ static snd_pcm_sframes_t rate_transfer(snd_pcm_plugin_t *plugin,
dst_frames = rate_dst_frames(plugin, frames);
if (dst_frames > dst_channels[0].frames)
dst_frames = dst_channels[0].frames;
data = (rate_t *)plugin->extra_data;
data = (struct rate_priv *)plugin->extra_data;
data->func(plugin, src_channels, dst_channels, frames, dst_frames);
return dst_frames;
}
static int rate_action(snd_pcm_plugin_t *plugin,
snd_pcm_plugin_action_t action,
static int rate_action(struct snd_pcm_plugin *plugin,
enum snd_pcm_plugin_action action,
unsigned long udata)
{
snd_assert(plugin != NULL, return -ENXIO);
......@@ -329,14 +329,14 @@ static int rate_action(snd_pcm_plugin_t *plugin,
return 0; /* silenty ignore other actions */
}
int snd_pcm_plugin_build_rate(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_rate(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;
rate_t *data;
snd_pcm_plugin_t *plugin;
struct rate_priv *data;
struct snd_pcm_plugin *plugin;
snd_assert(r_plugin != NULL, return -ENXIO);
*r_plugin = NULL;
......@@ -349,11 +349,12 @@ int snd_pcm_plugin_build_rate(snd_pcm_plug_t *plug,
err = snd_pcm_plugin_build(plug, "rate conversion",
src_format, dst_format,
sizeof(rate_t) + src_format->channels * sizeof(rate_channel_t),
sizeof(struct rate_priv) +
src_format->channels * sizeof(struct rate_channel),
&plugin);
if (err < 0)
return err;
data = (rate_t *)plugin->extra_data;
data = (struct rate_priv *)plugin->extra_data;
data->get = getput_index(src_format->format);
snd_assert(data->get >= 0 && data->get < 4*2*2, return -EINVAL);
data->put = getput_index(dst_format->format);
......
sound/core/oss/route.c
浏览文件 @ 6ac77bc1
......@@ -35,61 +35,62 @@
#error "Add some code here"
#endif
typedef struct ttable_dst ttable_dst_t;
typedef struct route_private_data route_t;
struct ttable_dst;
typedef void (*route_channel_f)(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_channel_t *src_channels,
snd_pcm_plugin_channel_t *dst_channel,
ttable_dst_t* ttable, snd_pcm_uframes_t frames);
typedef void (*route_channel_f)(struct snd_pcm_plugin *plugin,
const struct snd_pcm_plugin_channel *src_channels,
struct snd_pcm_plugin_channel *dst_channel,
struct ttable_dst *ttable, snd_pcm_uframes_t frames);
typedef struct {
struct ttable_src {
int channel;
int as_int;
} ttable_src_t;
};
struct ttable_dst {
int att; /* Attenuated */
unsigned int nsrcs;
ttable_src_t* srcs;
struct ttable_src *srcs;
route_channel_f func;
};
struct route_private_data {
struct route_priv {
enum {R_UINT32=0, R_UINT64=1} sum_type;
int get, put;
int conv;
int src_sample_size;
ttable_dst_t ttable[0];
struct ttable_dst ttable[0];
};
typedef union {
union sum {
u_int32_t as_uint32;
u_int64_t as_uint64;
} sum_t;
};
static void route_to_channel_from_zero(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_channel_t *src_channels,
snd_pcm_plugin_channel_t *dst_channel,
ttable_dst_t* ttable, snd_pcm_uframes_t frames)
static void route_to_channel_from_zero(struct snd_pcm_plugin *plugin,
const struct snd_pcm_plugin_channel *src_channels,
struct snd_pcm_plugin_channel *dst_channel,
struct ttable_dst *ttable,
snd_pcm_uframes_t frames)
{
if (dst_channel->wanted)
snd_pcm_area_silence(&dst_channel->area, 0, frames, plugin->dst_format.format);
dst_channel->enabled = 0;
}
static void route_to_channel_from_one(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_channel_t *src_channels,
snd_pcm_plugin_channel_t *dst_channel,
ttable_dst_t* ttable, snd_pcm_uframes_t frames)
static void route_to_channel_from_one(struct snd_pcm_plugin *plugin,
const struct snd_pcm_plugin_channel *src_channels,
struct snd_pcm_plugin_channel *dst_channel,
struct ttable_dst *ttable,
snd_pcm_uframes_t frames)
{
#define CONV_LABELS
#include "plugin_ops.h"
#undef CONV_LABELS
route_t *data = (route_t *)plugin->extra_data;
struct route_priv *data = (struct route_priv *)plugin->extra_data;
void *conv;
const snd_pcm_plugin_channel_t *src_channel = NULL;
const struct snd_pcm_plugin_channel *src_channel = NULL;
unsigned int srcidx;
char *src, *dst;
int src_step, dst_step;
......@@ -120,10 +121,10 @@ static void route_to_channel_from_one(snd_pcm_plugin_t *plugin,
}
}
static void route_to_channel(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_channel_t *src_channels,
snd_pcm_plugin_channel_t *dst_channel,
ttable_dst_t* ttable, snd_pcm_uframes_t frames)
static void route_to_channel(struct snd_pcm_plugin *plugin,
const struct snd_pcm_plugin_channel *src_channels,
struct snd_pcm_plugin_channel *dst_channel,
struct ttable_dst *ttable, snd_pcm_uframes_t frames)
{
#define GET_U_LABELS
#define PUT_U32_LABELS
......@@ -153,18 +154,18 @@ static void route_to_channel(snd_pcm_plugin_t *plugin,
&&norm_int64_16_att,
&&norm_int64_24_att,
};
route_t *data = (route_t *)plugin->extra_data;
struct route_priv *data = (struct route_priv *)plugin->extra_data;
void *zero, *get, *add, *norm, *put_u32;
int nsrcs = ttable->nsrcs;
char *dst;
int dst_step;
char *srcs[nsrcs];
int src_steps[nsrcs];
ttable_src_t src_tt[nsrcs];
struct ttable_src src_tt[nsrcs];
u_int32_t sample = 0;
int srcidx, srcidx1 = 0;
for (srcidx = 0; srcidx < nsrcs; ++srcidx) {
const snd_pcm_plugin_channel_t *src_channel = &src_channels[ttable->srcs[srcidx].channel];
const struct snd_pcm_plugin_channel *src_channel = &src_channels[ttable->srcs[srcidx].channel];
if (!src_channel->enabled)
continue;
srcs[srcidx1] = src_channel->area.addr + src_channel->area.first / 8;
......@@ -191,8 +192,8 @@ static void route_to_channel(snd_pcm_plugin_t *plugin,
dst_step = dst_channel->area.step / 8;
while (frames-- > 0) {
ttable_src_t *ttp = src_tt;
sum_t sum;
struct ttable_src *ttp = src_tt;
union sum sum;
/* Zero sum */
goto *zero;
......@@ -297,20 +298,20 @@ static void route_to_channel(snd_pcm_plugin_t *plugin,
}
}
static int route_src_channels_mask(snd_pcm_plugin_t *plugin,
static int route_src_channels_mask(struct snd_pcm_plugin *plugin,
unsigned long *dst_vmask,
unsigned long **src_vmask)
{
route_t *data = (route_t *)plugin->extra_data;
struct route_priv *data = (struct route_priv *)plugin->extra_data;
int schannels = plugin->src_format.channels;
int dchannels = plugin->dst_format.channels;
unsigned long *vmask = plugin->src_vmask;
int channel;
ttable_dst_t *dp = data->ttable;
struct ttable_dst *dp = data->ttable;
bitmap_zero(vmask, schannels);
for (channel = 0; channel < dchannels; channel++, dp++) {
unsigned int src;
ttable_src_t *sp;
struct ttable_src *sp;
if (!test_bit(channel, dst_vmask))
continue;
sp = dp->srcs;
......@@ -321,19 +322,19 @@ static int route_src_channels_mask(snd_pcm_plugin_t *plugin,
return 0;
}
static int route_dst_channels_mask(snd_pcm_plugin_t *plugin,
static int route_dst_channels_mask(struct snd_pcm_plugin *plugin,
unsigned long *src_vmask,
unsigned long **dst_vmask)
{
route_t *data = (route_t *)plugin->extra_data;
struct route_priv *data = (struct route_priv *)plugin->extra_data;
int dchannels = plugin->dst_format.channels;
unsigned long *vmask = plugin->dst_vmask;
int channel;
ttable_dst_t *dp = data->ttable;
struct ttable_dst *dp = data->ttable;
bitmap_zero(vmask, dchannels);
for (channel = 0; channel < dchannels; channel++, dp++) {
unsigned int src;
ttable_src_t *sp;
struct ttable_src *sp;
sp = dp->srcs;
for (src = 0; src < dp->nsrcs; src++, sp++) {
if (test_bit(sp->channel, src_vmask)) {
......@@ -346,33 +347,33 @@ static int route_dst_channels_mask(snd_pcm_plugin_t *plugin,
return 0;
}
static void route_free(snd_pcm_plugin_t *plugin)
static void route_free(struct snd_pcm_plugin *plugin)
{
route_t *data = (route_t *)plugin->extra_data;
struct route_priv *data = (struct route_priv *)plugin->extra_data;
unsigned int dst_channel;
for (dst_channel = 0; dst_channel < plugin->dst_format.channels; ++dst_channel) {
kfree(data->ttable[dst_channel].srcs);
}
}
static int route_load_ttable(snd_pcm_plugin_t *plugin,
const route_ttable_entry_t* src_ttable)
static int route_load_ttable(struct snd_pcm_plugin *plugin,
const int *src_ttable)
{
route_t *data;
struct route_priv *data;
unsigned int src_channel, dst_channel;
const route_ttable_entry_t *sptr;
ttable_dst_t *dptr;
const int *sptr;
struct ttable_dst *dptr;
if (src_ttable == NULL)
return 0;
data = (route_t *)plugin->extra_data;
data = (struct route_priv *)plugin->extra_data;
dptr = data->ttable;
sptr = src_ttable;
plugin->private_free = route_free;
for (dst_channel = 0; dst_channel < plugin->dst_format.channels; ++dst_channel) {
route_ttable_entry_t t = 0;
int t = 0;
int att = 0;
int nsrcs = 0;
ttable_src_t srcs[plugin->src_format.channels];
struct ttable_src srcs[plugin->src_format.channels];
for (src_channel = 0; src_channel < plugin->src_format.channels; ++src_channel) {
snd_assert(*sptr >= 0 || *sptr <= FULL, return -ENXIO);
if (*sptr != 0) {
......@@ -405,21 +406,21 @@ static int route_load_ttable(snd_pcm_plugin_t *plugin,
return 0;
}
static snd_pcm_sframes_t route_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 route_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)
{
route_t *data;
struct route_priv *data;
int src_nchannels, dst_nchannels;
int dst_channel;
ttable_dst_t *ttp;
snd_pcm_plugin_channel_t *dvp;
struct ttable_dst *ttp;
struct snd_pcm_plugin_channel *dvp;
snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO);
if (frames == 0)
return 0;
data = (route_t *)plugin->extra_data;
data = (struct route_priv *)plugin->extra_data;
src_nchannels = plugin->src_format.channels;
dst_nchannels = plugin->dst_format.channels;
......@@ -469,14 +470,14 @@ int getput_index(int format)
return width * 4 + endian * 2 + sign;
}
int snd_pcm_plugin_build_route(snd_pcm_plug_t *plug,
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_route(struct snd_pcm_substream *plug,
struct snd_pcm_plugin_format *src_format,
struct snd_pcm_plugin_format *dst_format,
int *ttable,
struct snd_pcm_plugin **r_plugin)
{
route_t *data;
snd_pcm_plugin_t *plugin;
struct route_priv *data;
struct snd_pcm_plugin *plugin;
int err;
snd_assert(r_plugin != NULL, return -ENXIO);
......@@ -488,12 +489,13 @@ int snd_pcm_plugin_build_route(snd_pcm_plug_t *plug,
err = snd_pcm_plugin_build(plug, "attenuated route conversion",
src_format, dst_format,
sizeof(route_t) + sizeof(data->ttable[0]) * dst_format->channels,
sizeof(struct route_priv) +
sizeof(data->ttable[0]) * dst_format->channels,
&plugin);
if (err < 0)
return err;
data = (route_t *) plugin->extra_data;
data = (struct route_priv *)plugin->extra_data;
data->get = getput_index(src_format->format);
snd_assert(data->get >= 0 && data->get < 4*2*2, return -EINVAL);
......
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