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Diffstat (limited to 'sound/core/seq/seq_midi_event.c')
-rw-r--r--sound/core/seq/seq_midi_event.c98
1 files changed, 51 insertions, 47 deletions
diff --git a/sound/core/seq/seq_midi_event.c b/sound/core/seq/seq_midi_event.c
index 2dc1aecfb42..5ff80b77690 100644
--- a/sound/core/seq/seq_midi_event.c
+++ b/sound/core/seq/seq_midi_event.c
@@ -41,33 +41,29 @@ MODULE_LICENSE("GPL");
/* from 8 to 15 are events for 0xf0-0xf7 */
-/* status event types */
-typedef void (*event_encode_t)(snd_midi_event_t *dev, snd_seq_event_t *ev);
-typedef void (*event_decode_t)(snd_seq_event_t *ev, unsigned char *buf);
-
/*
* prototypes
*/
-static void note_event(snd_midi_event_t *dev, snd_seq_event_t *ev);
-static void one_param_ctrl_event(snd_midi_event_t *dev, snd_seq_event_t *ev);
-static void pitchbend_ctrl_event(snd_midi_event_t *dev, snd_seq_event_t *ev);
-static void two_param_ctrl_event(snd_midi_event_t *dev, snd_seq_event_t *ev);
-static void one_param_event(snd_midi_event_t *dev, snd_seq_event_t *ev);
-static void songpos_event(snd_midi_event_t *dev, snd_seq_event_t *ev);
-static void note_decode(snd_seq_event_t *ev, unsigned char *buf);
-static void one_param_decode(snd_seq_event_t *ev, unsigned char *buf);
-static void pitchbend_decode(snd_seq_event_t *ev, unsigned char *buf);
-static void two_param_decode(snd_seq_event_t *ev, unsigned char *buf);
-static void songpos_decode(snd_seq_event_t *ev, unsigned char *buf);
+static void note_event(struct snd_midi_event *dev, struct snd_seq_event *ev);
+static void one_param_ctrl_event(struct snd_midi_event *dev, struct snd_seq_event *ev);
+static void pitchbend_ctrl_event(struct snd_midi_event *dev, struct snd_seq_event *ev);
+static void two_param_ctrl_event(struct snd_midi_event *dev, struct snd_seq_event *ev);
+static void one_param_event(struct snd_midi_event *dev, struct snd_seq_event *ev);
+static void songpos_event(struct snd_midi_event *dev, struct snd_seq_event *ev);
+static void note_decode(struct snd_seq_event *ev, unsigned char *buf);
+static void one_param_decode(struct snd_seq_event *ev, unsigned char *buf);
+static void pitchbend_decode(struct snd_seq_event *ev, unsigned char *buf);
+static void two_param_decode(struct snd_seq_event *ev, unsigned char *buf);
+static void songpos_decode(struct snd_seq_event *ev, unsigned char *buf);
/*
* event list
*/
-static struct status_event_list_t {
+static struct status_event_list {
int event;
int qlen;
- event_encode_t encode;
- event_decode_t decode;
+ void (*encode)(struct snd_midi_event *dev, struct snd_seq_event *ev);
+ void (*decode)(struct snd_seq_event *ev, unsigned char *buf);
} status_event[] = {
/* 0x80 - 0xf0 */
{SNDRV_SEQ_EVENT_NOTEOFF, 2, note_event, note_decode},
@@ -97,12 +93,15 @@ static struct status_event_list_t {
{SNDRV_SEQ_EVENT_RESET, 0, NULL, NULL}, /* 0xff */
};
-static int extra_decode_ctrl14(snd_midi_event_t *dev, unsigned char *buf, int len, snd_seq_event_t *ev);
-static int extra_decode_xrpn(snd_midi_event_t *dev, unsigned char *buf, int count, snd_seq_event_t *ev);
+static int extra_decode_ctrl14(struct snd_midi_event *dev, unsigned char *buf, int len,
+ struct snd_seq_event *ev);
+static int extra_decode_xrpn(struct snd_midi_event *dev, unsigned char *buf, int count,
+ struct snd_seq_event *ev);
-static struct extra_event_list_t {
+static struct extra_event_list {
int event;
- int (*decode)(snd_midi_event_t *dev, unsigned char *buf, int len, snd_seq_event_t *ev);
+ int (*decode)(struct snd_midi_event *dev, unsigned char *buf, int len,
+ struct snd_seq_event *ev);
} extra_event[] = {
{SNDRV_SEQ_EVENT_CONTROL14, extra_decode_ctrl14},
{SNDRV_SEQ_EVENT_NONREGPARAM, extra_decode_xrpn},
@@ -113,9 +112,9 @@ static struct extra_event_list_t {
* new/delete record
*/
-int snd_midi_event_new(int bufsize, snd_midi_event_t **rdev)
+int snd_midi_event_new(int bufsize, struct snd_midi_event **rdev)
{
- snd_midi_event_t *dev;
+ struct snd_midi_event *dev;
*rdev = NULL;
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
@@ -135,7 +134,7 @@ int snd_midi_event_new(int bufsize, snd_midi_event_t **rdev)
return 0;
}
-void snd_midi_event_free(snd_midi_event_t *dev)
+void snd_midi_event_free(struct snd_midi_event *dev)
{
if (dev != NULL) {
kfree(dev->buf);
@@ -146,14 +145,14 @@ void snd_midi_event_free(snd_midi_event_t *dev)
/*
* initialize record
*/
-static inline void reset_encode(snd_midi_event_t *dev)
+static inline void reset_encode(struct snd_midi_event *dev)
{
dev->read = 0;
dev->qlen = 0;
dev->type = 0;
}
-void snd_midi_event_reset_encode(snd_midi_event_t *dev)
+void snd_midi_event_reset_encode(struct snd_midi_event *dev)
{
unsigned long flags;
@@ -162,7 +161,7 @@ void snd_midi_event_reset_encode(snd_midi_event_t *dev)
spin_unlock_irqrestore(&dev->lock, flags);
}
-void snd_midi_event_reset_decode(snd_midi_event_t *dev)
+void snd_midi_event_reset_decode(struct snd_midi_event *dev)
{
unsigned long flags;
@@ -172,14 +171,14 @@ void snd_midi_event_reset_decode(snd_midi_event_t *dev)
}
#if 0
-void snd_midi_event_init(snd_midi_event_t *dev)
+void snd_midi_event_init(struct snd_midi_event *dev)
{
snd_midi_event_reset_encode(dev);
snd_midi_event_reset_decode(dev);
}
#endif /* 0 */
-void snd_midi_event_no_status(snd_midi_event_t *dev, int on)
+void snd_midi_event_no_status(struct snd_midi_event *dev, int on)
{
dev->nostat = on ? 1 : 0;
}
@@ -188,7 +187,7 @@ void snd_midi_event_no_status(snd_midi_event_t *dev, int on)
* resize buffer
*/
#if 0
-int snd_midi_event_resize_buffer(snd_midi_event_t *dev, int bufsize)
+int snd_midi_event_resize_buffer(struct snd_midi_event *dev, int bufsize)
{
unsigned char *new_buf, *old_buf;
unsigned long flags;
@@ -213,7 +212,8 @@ int snd_midi_event_resize_buffer(snd_midi_event_t *dev, int bufsize)
* read bytes and encode to sequencer event if finished
* return the size of encoded bytes
*/
-long snd_midi_event_encode(snd_midi_event_t *dev, unsigned char *buf, long count, snd_seq_event_t *ev)
+long snd_midi_event_encode(struct snd_midi_event *dev, unsigned char *buf, long count,
+ struct snd_seq_event *ev)
{
long result = 0;
int rc;
@@ -238,7 +238,8 @@ long snd_midi_event_encode(snd_midi_event_t *dev, unsigned char *buf, long count
* 0 data is not finished
* negative for error
*/
-int snd_midi_event_encode_byte(snd_midi_event_t *dev, int c, snd_seq_event_t *ev)
+int snd_midi_event_encode_byte(struct snd_midi_event *dev, int c,
+ struct snd_seq_event *ev)
{
int rc = 0;
unsigned long flags;
@@ -303,7 +304,7 @@ int snd_midi_event_encode_byte(snd_midi_event_t *dev, int c, snd_seq_event_t *ev
}
/* encode note event */
-static void note_event(snd_midi_event_t *dev, snd_seq_event_t *ev)
+static void note_event(struct snd_midi_event *dev, struct snd_seq_event *ev)
{
ev->data.note.channel = dev->buf[0] & 0x0f;
ev->data.note.note = dev->buf[1];
@@ -311,21 +312,21 @@ static void note_event(snd_midi_event_t *dev, snd_seq_event_t *ev)
}
/* encode one parameter controls */
-static void one_param_ctrl_event(snd_midi_event_t *dev, snd_seq_event_t *ev)
+static void one_param_ctrl_event(struct snd_midi_event *dev, struct snd_seq_event *ev)
{
ev->data.control.channel = dev->buf[0] & 0x0f;
ev->data.control.value = dev->buf[1];
}
/* encode pitch wheel change */
-static void pitchbend_ctrl_event(snd_midi_event_t *dev, snd_seq_event_t *ev)
+static void pitchbend_ctrl_event(struct snd_midi_event *dev, struct snd_seq_event *ev)
{
ev->data.control.channel = dev->buf[0] & 0x0f;
ev->data.control.value = (int)dev->buf[2] * 128 + (int)dev->buf[1] - 8192;
}
/* encode midi control change */
-static void two_param_ctrl_event(snd_midi_event_t *dev, snd_seq_event_t *ev)
+static void two_param_ctrl_event(struct snd_midi_event *dev, struct snd_seq_event *ev)
{
ev->data.control.channel = dev->buf[0] & 0x0f;
ev->data.control.param = dev->buf[1];
@@ -333,13 +334,13 @@ static void two_param_ctrl_event(snd_midi_event_t *dev, snd_seq_event_t *ev)
}
/* encode one parameter value*/
-static void one_param_event(snd_midi_event_t *dev, snd_seq_event_t *ev)
+static void one_param_event(struct snd_midi_event *dev, struct snd_seq_event *ev)
{
ev->data.control.value = dev->buf[1];
}
/* encode song position */
-static void songpos_event(snd_midi_event_t *dev, snd_seq_event_t *ev)
+static void songpos_event(struct snd_midi_event *dev, struct snd_seq_event *ev)
{
ev->data.control.value = (int)dev->buf[2] * 128 + (int)dev->buf[1];
}
@@ -348,7 +349,8 @@ static void songpos_event(snd_midi_event_t *dev, snd_seq_event_t *ev)
* decode from a sequencer event to midi bytes
* return the size of decoded midi events
*/
-long snd_midi_event_decode(snd_midi_event_t *dev, unsigned char *buf, long count, snd_seq_event_t *ev)
+long snd_midi_event_decode(struct snd_midi_event *dev, unsigned char *buf, long count,
+ struct snd_seq_event *ev)
{
unsigned int cmd, type;
@@ -404,20 +406,20 @@ long snd_midi_event_decode(snd_midi_event_t *dev, unsigned char *buf, long count
/* decode note event */
-static void note_decode(snd_seq_event_t *ev, unsigned char *buf)
+static void note_decode(struct snd_seq_event *ev, unsigned char *buf)
{
buf[0] = ev->data.note.note & 0x7f;
buf[1] = ev->data.note.velocity & 0x7f;
}
/* decode one parameter controls */
-static void one_param_decode(snd_seq_event_t *ev, unsigned char *buf)
+static void one_param_decode(struct snd_seq_event *ev, unsigned char *buf)
{
buf[0] = ev->data.control.value & 0x7f;
}
/* decode pitch wheel change */
-static void pitchbend_decode(snd_seq_event_t *ev, unsigned char *buf)
+static void pitchbend_decode(struct snd_seq_event *ev, unsigned char *buf)
{
int value = ev->data.control.value + 8192;
buf[0] = value & 0x7f;
@@ -425,21 +427,22 @@ static void pitchbend_decode(snd_seq_event_t *ev, unsigned char *buf)
}
/* decode midi control change */
-static void two_param_decode(snd_seq_event_t *ev, unsigned char *buf)
+static void two_param_decode(struct snd_seq_event *ev, unsigned char *buf)
{
buf[0] = ev->data.control.param & 0x7f;
buf[1] = ev->data.control.value & 0x7f;
}
/* decode song position */
-static void songpos_decode(snd_seq_event_t *ev, unsigned char *buf)
+static void songpos_decode(struct snd_seq_event *ev, unsigned char *buf)
{
buf[0] = ev->data.control.value & 0x7f;
buf[1] = (ev->data.control.value >> 7) & 0x7f;
}
/* decode 14bit control */
-static int extra_decode_ctrl14(snd_midi_event_t *dev, unsigned char *buf, int count, snd_seq_event_t *ev)
+static int extra_decode_ctrl14(struct snd_midi_event *dev, unsigned char *buf,
+ int count, struct snd_seq_event *ev)
{
unsigned char cmd;
int idx = 0;
@@ -476,7 +479,8 @@ static int extra_decode_ctrl14(snd_midi_event_t *dev, unsigned char *buf, int co
}
/* decode reg/nonreg param */
-static int extra_decode_xrpn(snd_midi_event_t *dev, unsigned char *buf, int count, snd_seq_event_t *ev)
+static int extra_decode_xrpn(struct snd_midi_event *dev, unsigned char *buf,
+ int count, struct snd_seq_event *ev)
{
unsigned char cmd;
char *cbytes;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-29 12:00:39 +0000