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avutil/fifo: Constify AVFifo pointees in peek functions 

They do not modify the AVFifo state.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2023-09-06 23:07:41 +02:00
parent fa4bf5793a
commit 5094d1f429
4 changed files with 8 additions and 5 deletions
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3
doc/APIchanges
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@ -2,6 +2,9 @@ The last version increases of all libraries were on 2023-02-09
API changes, most recent first:
2023-09-07 - xxxxxxxxxx - lavu 58.23.100 - fifo.h
Constify the AVFifo pointees in av_fifo_peek() and av_fifo_peek_to_cb().
2023-09-07 - xxxxxxxxxx - lavu 58.22.100 - audio_fifo.h
Constify some pointees in av_audio_fifo_write(), av_audio_fifo_read(),
av_audio_fifo_peek() and av_audio_fifo_peek_at().

4
libavutil/fifo.c
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@ -252,12 +252,12 @@ int av_fifo_read_to_cb(AVFifo *f, AVFifoCB write_cb,
return ret;
}
int av_fifo_peek(AVFifo *f, void *buf, size_t nb_elems, size_t offset)
int av_fifo_peek(const AVFifo *f, void *buf, size_t nb_elems, size_t offset)
{
return fifo_peek_common(f, buf, &nb_elems, offset, NULL, NULL);
}
int av_fifo_peek_to_cb(AVFifo *f, AVFifoCB write_cb, void *opaque,
int av_fifo_peek_to_cb(const AVFifo *f, AVFifoCB write_cb, void *opaque,
size_t *nb_elems, size_t offset)
{
return fifo_peek_common(f, NULL, nb_elems, offset, write_cb, opaque);

4
libavutil/fifo.h
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@ -200,7 +200,7 @@ int av_fifo_read_to_cb(AVFifo *f, AVFifoCB write_cb,
*
* @return a non-negative number on success, a negative error code on failure
*/
int av_fifo_peek(AVFifo *f, void *buf, size_t nb_elems, size_t offset);
int av_fifo_peek(const AVFifo *f, void *buf, size_t nb_elems, size_t offset);
/**
* Feed data from a FIFO into a user-provided callback.
@ -217,7 +217,7 @@ int av_fifo_peek(AVFifo *f, void *buf, size_t nb_elems, size_t offset);
*
* @return a non-negative number on success, a negative error code on failure
*/
int av_fifo_peek_to_cb(AVFifo *f, AVFifoCB write_cb, void *opaque,
int av_fifo_peek_to_cb(const AVFifo *f, AVFifoCB write_cb, void *opaque,
size_t *nb_elems, size_t offset);
/**

2
libavutil/version.h
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@ -79,7 +79,7 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 58
#define LIBAVUTIL_VERSION_MINOR 22
#define LIBAVUTIL_VERSION_MINOR 23
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \