lswr: take const AVChannelLayout* in swr_alloc_set_opts2()

This is fully backwards-compatible in both ABI and API,
so it's only a minor bump.

1 files changed, 2 insertions, 2 deletions

diff --git a/libswresample/swresample.h b/libswresample/swresample.h
index 26d42fab8d..980be65783 100644
--- a/libswresample/swresample.h
+++ b/libswresample/swresample.h
@@ -286,8 +286,8 @@ struct SwrContext *swr_alloc_set_opts(struct SwrContext *s,
  *         On error, the Swr context is freed and *ps set to NULL.
  */
 int swr_alloc_set_opts2(struct SwrContext **ps,
-                        AVChannelLayout *out_ch_layout, enum AVSampleFormat out_sample_fmt, int out_sample_rate,
-                        AVChannelLayout *in_ch_layout, enum AVSampleFormat  in_sample_fmt, int  in_sample_rate,
+                        const AVChannelLayout *out_ch_layout, enum AVSampleFormat out_sample_fmt, int out_sample_rate,
+                        const AVChannelLayout *in_ch_layout, enum AVSampleFormat  in_sample_fmt, int  in_sample_rate,
                         int log_offset, void *log_ctx);
 /**
  * @}