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authorMichael Niedermayer <michaelni@gmx.at>2013-07-07 13:26:28 +0400
committerMichael Niedermayer <michaelni@gmx.at>2013-07-07 13:26:28 +0400
commit7bd417c22a90a712df57cacfa5b09c1fb4f6183a (patch)
tree791ce856605d50cc601bb892ec9ff0b073a73353 /libavutil/fifo.c
parent2adf8a9c09c9d00c4b34c062206cefad489f9ba9 (diff)
parent6516632967da5e6bd7d6136e8678f826669ed26e (diff)
Merge commit '6516632967da5e6bd7d6136e8678f826669ed26e'
* commit '6516632967da5e6bd7d6136e8678f826669ed26e': tests: Only run noproxy test if networking is enabled fifo: K&R formatting cosmetics Conflicts: libavformat/Makefile libavutil/fifo.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavutil/fifo.c')
-rw-r--r--libavutil/fifo.c35
1 files changed, 19 insertions, 16 deletions
diff --git a/libavutil/fifo.c b/libavutil/fifo.c
index bafa9e9f98..eb1c128a3a 100644
--- a/libavutil/fifo.c
+++ b/libavutil/fifo.c
@@ -24,11 +24,11 @@
AVFifoBuffer *av_fifo_alloc(unsigned int size)
{
- AVFifoBuffer *f= av_mallocz(sizeof(AVFifoBuffer));
+ AVFifoBuffer *f = av_mallocz(sizeof(AVFifoBuffer));
if (!f)
return NULL;
f->buffer = av_malloc(size);
- f->end = f->buffer + size;
+ f->end = f->buffer + size;
av_fifo_reset(f);
if (!f->buffer)
av_freep(&f);
@@ -64,7 +64,7 @@ int av_fifo_realloc2(AVFifoBuffer *f, unsigned int new_size)
unsigned int old_size = f->end - f->buffer;
if (old_size < new_size) {
- int len = av_fifo_size(f);
+ int len = av_fifo_size(f);
AVFifoBuffer *f2 = av_fifo_alloc(new_size);
if (!f2)
@@ -92,8 +92,10 @@ int av_fifo_grow(AVFifoBuffer *f, unsigned int size)
return 0;
}
-// src must NOT be const as it can be a context for func that may need updating (like a pointer or byte counter)
-int av_fifo_generic_write(AVFifoBuffer *f, void *src, int size, int (*func)(void*, void*, int))
+/* src must NOT be const as it can be a context for func that may need
+ * updating (like a pointer or byte counter) */
+int av_fifo_generic_write(AVFifoBuffer *f, void *src, int size,
+ int (*func)(void *, void *, int))
{
int total = size;
uint32_t wndx= f->wndx;
@@ -106,30 +108,31 @@ int av_fifo_generic_write(AVFifoBuffer *f, void *src, int size, int (*func)(void
break;
} else {
memcpy(wptr, src, len);
- src = (uint8_t*)src + len;
+ src = (uint8_t *)src + len;
}
// Write memory barrier needed for SMP here in theory
wptr += len;
if (wptr >= f->end)
wptr = f->buffer;
- wndx += len;
- size -= len;
+ wndx += len;
+ size -= len;
} while (size > 0);
f->wndx= wndx;
f->wptr= wptr;
return total - size;
}
-
-int av_fifo_generic_read(AVFifoBuffer *f, void *dest, int buf_size, void (*func)(void*, void*, int))
+int av_fifo_generic_read(AVFifoBuffer *f, void *dest, int buf_size,
+ void (*func)(void *, void *, int))
{
// Read memory barrier needed for SMP here in theory
do {
int len = FFMIN(f->end - f->rptr, buf_size);
- if(func) func(dest, f->rptr, len);
- else{
+ if (func)
+ func(dest, f->rptr, len);
+ else {
memcpy(dest, f->rptr, len);
- dest = (uint8_t*)dest + len;
+ dest = (uint8_t *)dest + len;
}
// memory barrier needed for SMP here in theory
av_fifo_drain(f, len);
@@ -160,9 +163,9 @@ int main(void)
av_fifo_generic_write(fifo, &i, sizeof(int), NULL);
/* peek at FIFO */
- n = av_fifo_size(fifo)/sizeof(int);
- for (i = -n+1; i < n; i++) {
- int *v = (int *)av_fifo_peek2(fifo, i*sizeof(int));
+ n = av_fifo_size(fifo) / sizeof(int);
+ for (i = -n + 1; i < n; i++) {
+ int *v = (int *)av_fifo_peek2(fifo, i * sizeof(int));
printf("%d: %d\n", i, *v);
}
printf("\n");