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-rw-r--r--sound/core/oss/route.c158
1 files changed, 80 insertions, 78 deletions
diff --git a/sound/core/oss/route.c b/sound/core/oss/route.c
index c955b7dfdb30..726c5caa3fdb 100644
--- a/sound/core/oss/route.c
+++ b/sound/core/oss/route.c
@@ -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 ATTRIBUTE_UNUSED,
- snd_pcm_plugin_channel_t *dst_channel,
- ttable_dst_t* ttable ATTRIBUTE_UNUSED, 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;
@@ -297,47 +298,47 @@ static void route_to_channel(snd_pcm_plugin_t *plugin,
}
}
-static int route_src_channels_mask(snd_pcm_plugin_t *plugin,
- bitset_t *dst_vmask,
- bitset_t **src_vmask)
+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;
- bitset_t *vmask = plugin->src_vmask;
+ unsigned long *vmask = plugin->src_vmask;
int channel;
- ttable_dst_t *dp = data->ttable;
- bitset_zero(vmask, schannels);
+ struct ttable_dst *dp = data->ttable;
+ bitmap_zero(vmask, schannels);
for (channel = 0; channel < dchannels; channel++, dp++) {
unsigned int src;
- ttable_src_t *sp;
- if (!bitset_get(dst_vmask, channel))
+ struct ttable_src *sp;
+ if (!test_bit(channel, dst_vmask))
continue;
sp = dp->srcs;
for (src = 0; src < dp->nsrcs; src++, sp++)
- bitset_set(vmask, sp->channel);
+ set_bit(sp->channel, vmask);
}
*src_vmask = vmask;
return 0;
}
-static int route_dst_channels_mask(snd_pcm_plugin_t *plugin,
- bitset_t *src_vmask,
- bitset_t **dst_vmask)
+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;
- bitset_t *vmask = plugin->dst_vmask;
+ unsigned long *vmask = plugin->dst_vmask;
int channel;
- ttable_dst_t *dp = data->ttable;
- bitset_zero(vmask, dchannels);
+ 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 (bitset_get(src_vmask, sp->channel)) {
- bitset_set(vmask, channel);
+ if (test_bit(sp->channel, src_vmask)) {
+ set_bit(channel, vmask);
break;
}
}
@@ -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);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.