1 files changed, 0 insertions, 23 deletions
diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 90c4f499cb..102dc92aaf 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -441,29 +441,6 @@ void av_pkt_dump(FILE *f, AVPacket *pkt, int dump_payload);
 
 void av_register_all(void);
 
-typedef struct FifoBuffer {
-    uint8_t *buffer;
-    uint8_t *rptr, *wptr, *end;
-} FifoBuffer;
-
-int fifo_init(FifoBuffer *f, int size);
-void fifo_free(FifoBuffer *f);
-int fifo_size(FifoBuffer *f, uint8_t *rptr);
-int fifo_read(FifoBuffer *f, uint8_t *buf, int buf_size, uint8_t **rptr_ptr);
-void fifo_write(FifoBuffer *f, const uint8_t *buf, int size, uint8_t **wptr_ptr);
-int put_fifo(ByteIOContext *pb, FifoBuffer *f, int buf_size, uint8_t **rptr_ptr);
-void fifo_realloc(FifoBuffer *f, unsigned int size);
-static inline uint8_t fifo_peek(FifoBuffer *f, int offs)
-{
-    return f->buffer[(f->rptr - f->buffer + offs) % (f->end - f->buffer)];
-}
-static inline void fifo_drain(FifoBuffer *f, int size)
-{
-    f->rptr += size;
-    if (f->rptr >= f->end)
-        f->rptr = f->buffer + (f->rptr - f->end);
-}
-
 /* media file input */
 AVInputFormat *av_find_input_format(const char *short_name);
 AVInputFormat *av_probe_input_format(AVProbeData *pd, int is_opened);