From 87ff61b9abde99d8cdc2a4332b41f69a80eb3d56 Mon Sep 17 00:00:00 2001 From: Zhang Rui Date: Wed, 14 Oct 2015 14:20:07 +0800 Subject: avutil/fifo: add function av_fifo_generic_peek_at() Signed-off-by: Michael Niedermayer --- libavutil/fifo.h | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'libavutil/fifo.h') diff --git a/libavutil/fifo.h b/libavutil/fifo.h index 0e4070b99e..dc7bc6f0dd 100644 --- a/libavutil/fifo.h +++ b/libavutil/fifo.h @@ -83,6 +83,17 @@ int av_fifo_size(const AVFifoBuffer *f); */ int av_fifo_space(const AVFifoBuffer *f); +/** + * Feed data at specific position from an AVFifoBuffer to a user-supplied callback. + * Similar as av_fifo_gereric_read but without discarding data. + * @param f AVFifoBuffer to read from + * @param offset offset from current read position + * @param buf_size number of bytes to read + * @param func generic read function + * @param dest data destination + */ +int av_fifo_generic_peek_at(AVFifoBuffer *f, void *dest, int offset, int buf_size, void (*func)(void*, void*, int)); + /** * Feed data from an AVFifoBuffer to a user-supplied callback. * Similar as av_fifo_gereric_read but without discarding data. -- cgit v1.2.3