* Moving FifoBuffer out of libavformat/avformat.h and

     libavformat/utils.c into libavutil

Originally committed as revision 6310 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 0 insertions, 140 deletions

diff --git a/libavformat/utils.c b/libavformat/utils.c
index 77bc84aa10..425db9a28a 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -263,146 +263,6 @@ int av_dup_packet(AVPacket *pkt)
     return 0;
 }
 
-/* fifo handling */
-
-int fifo_init(FifoBuffer *f, int size)
-{
-    f->buffer = av_malloc(size);
-    if (!f->buffer)
-        return -1;
-    f->end = f->buffer + size;
-    f->wptr = f->rptr = f->buffer;
-    return 0;
-}
-
-void fifo_free(FifoBuffer *f)
-{
-    av_free(f->buffer);
-}
-
-int fifo_size(FifoBuffer *f, uint8_t *rptr)
-{
-    int size;
-
-    if(!rptr)
-        rptr= f->rptr;
-
-    if (f->wptr >= rptr) {
-        size = f->wptr - rptr;
-    } else {
-        size = (f->end - rptr) + (f->wptr - f->buffer);
-    }
-    return size;
-}
-
-/**
- * Get data from the fifo (returns -1 if not enough data).
- */
-int fifo_read(FifoBuffer *f, uint8_t *buf, int buf_size, uint8_t **rptr_ptr)
-{
-    uint8_t *rptr;
-    int size, len;
-
-    if(!rptr_ptr)
-        rptr_ptr= &f->rptr;
-    rptr = *rptr_ptr;
-
-    if (f->wptr >= rptr) {
-        size = f->wptr - rptr;
-    } else {
-        size = (f->end - rptr) + (f->wptr - f->buffer);
-    }
-
-    if (size < buf_size)
-        return -1;
-    while (buf_size > 0) {
-        len = f->end - rptr;
-        if (len > buf_size)
-            len = buf_size;
-        memcpy(buf, rptr, len);
-        buf += len;
-        rptr += len;
-        if (rptr >= f->end)
-            rptr = f->buffer;
-        buf_size -= len;
-    }
-    *rptr_ptr = rptr;
-    return 0;
-}
-
-/**
- * Resizes a FIFO.
- */
-void fifo_realloc(FifoBuffer *f, unsigned int new_size){
-    unsigned int old_size= f->end - f->buffer;
-
-    if(old_size < new_size){
-        uint8_t *old= f->buffer;
-
-        f->buffer= av_realloc(f->buffer, new_size);
-
-        f->rptr += f->buffer - old;
-        f->wptr += f->buffer - old;
-
-        if(f->wptr < f->rptr){
-            memmove(f->rptr + new_size - old_size, f->rptr, f->buffer + old_size - f->rptr);
-            f->rptr += new_size - old_size;
-        }
-        f->end= f->buffer + new_size;
-    }
-}
-
-void fifo_write(FifoBuffer *f, const uint8_t *buf, int size, uint8_t **wptr_ptr)
-{
-    int len;
-    uint8_t *wptr;
-
-    if(!wptr_ptr)
-        wptr_ptr= &f->wptr;
-    wptr = *wptr_ptr;
-
-    while (size > 0) {
-        len = f->end - wptr;
-        if (len > size)
-            len = size;
-        memcpy(wptr, buf, len);
-        wptr += len;
-        if (wptr >= f->end)
-            wptr = f->buffer;
-        buf += len;
-        size -= len;
-    }
-    *wptr_ptr = wptr;
-}
-
-/* get data from the fifo (return -1 if not enough data) */
-int put_fifo(ByteIOContext *pb, FifoBuffer *f, int buf_size, uint8_t **rptr_ptr)
-{
-    uint8_t *rptr = *rptr_ptr;
-    int size, len;
-
-    if (f->wptr >= rptr) {
-        size = f->wptr - rptr;
-    } else {
-        size = (f->end - rptr) + (f->wptr - f->buffer);
-    }
-
-    if (size < buf_size)
-        return -1;
-    while (buf_size > 0) {
-        len = f->end - rptr;
-        if (len > buf_size)
-            len = buf_size;
-        put_buffer(pb, rptr, len);
-        rptr += len;
-        if (rptr >= f->end)
-            rptr = f->buffer;
-        buf_size -= len;
-    }
-    *rptr_ptr = rptr;
-    return 0;
-}
-
 /**
  * Allocate the payload of a packet and intialized its fields to default values.
  *