#include <linux/slab.h>
#include <linux/mutex.h>
+static const char *pvr2_buffer_state_decode(enum pvr2_buffer_state);
+
#define BUFFER_SIG 0x47653271
// #define SANITY_CHECK_BUFFERS
(bp ? pvr2_buffer_state_decode(bp->state) : "(invalid)"),
(bp ? bp->id : 0),
(bp ? bp->status : 0),
- (bp ? bp->stream : 0),
- (bp ? bp->purb : 0),
+ (bp ? bp->stream : NULL),
+ (bp ? bp->purb : NULL),
(bp ? bp->signature : 0));
}
#endif /* SANITY_CHECK_BUFFERS */
pvr2_buffer_wipe(bp);
pvr2_buffer_set_none(bp);
bp->signature = 0;
- bp->stream = 0;
- if (bp->purb) usb_free_urb(bp->purb);
+ bp->stream = NULL;
+ usb_free_urb(bp->purb);
pvr2_trace(PVR2_TRACE_BUF_POOL,"/*---TRACE_FLOW---*/"
" bufferDone %p",bp);
}
struct pvr2_buffer *bp;
bp = sp->buffers[sp->buffer_total_count - 1];
/* Paranoia */
- sp->buffers[sp->buffer_total_count - 1] = 0;
+ sp->buffers[sp->buffer_total_count - 1] = NULL;
(sp->buffer_total_count)--;
pvr2_buffer_done(bp);
kfree(bp);
}
if (scnt < sp->buffer_slot_count) {
- struct pvr2_buffer **nb = 0;
+ struct pvr2_buffer **nb = NULL;
if (scnt) {
nb = kmalloc(scnt * sizeof(*nb),GFP_KERNEL);
if (!nb) return -ENOMEM;
} while (0); mutex_unlock(&sp->mutex);
}
-static void buffer_complete(struct urb *urb, struct pt_regs *regs)
+static void buffer_complete(struct urb *urb)
{
struct pvr2_buffer *bp = urb->context;
struct pvr2_stream *sp;
}
/* Query / set the nominal buffer count */
+int pvr2_stream_get_buffer_count(struct pvr2_stream *sp)
+{
+ return sp->buffer_target_count;
+}
int pvr2_stream_set_buffer_count(struct pvr2_stream *sp,unsigned int cnt)
{
struct pvr2_buffer *pvr2_stream_get_idle_buffer(struct pvr2_stream *sp)
{
struct list_head *lp = sp->idle_list.next;
- if (lp == &sp->idle_list) return 0;
+ if (lp == &sp->idle_list) return NULL;
return list_entry(lp,struct pvr2_buffer,list_overhead);
}
struct pvr2_buffer *pvr2_stream_get_ready_buffer(struct pvr2_stream *sp)
{
struct list_head *lp = sp->ready_list.next;
- if (lp == &sp->ready_list) return 0;
+ if (lp == &sp->ready_list) return NULL;
return list_entry(lp,struct pvr2_buffer,list_overhead);
}
struct pvr2_buffer *pvr2_stream_get_buffer(struct pvr2_stream *sp,int id)
{
- if (id < 0) return 0;
- if (id >= sp->buffer_total_count) return 0;
+ if (id < 0) return NULL;
+ if (id >= sp->buffer_total_count) return NULL;
return sp->buffers[id];
}
return sp->r_count;
}
-
void pvr2_stream_kill(struct pvr2_stream *sp)
{
struct pvr2_buffer *bp;
return ret;
}
-
int pvr2_buffer_set_buffer(struct pvr2_buffer *bp,void *ptr,unsigned int cnt)
{
int ret = 0;
return bp->status;
}
-
int pvr2_buffer_get_id(struct pvr2_buffer *bp)
{
return bp->id;