avresample: Mark avresample_buffer() as pointer to const

That buffer is read only and marking it accordingly let
the user passing a constant buffer to it without having
a const-correctness warning.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

1 files changed, 4 insertions, 3 deletions

diff --git a/libavresample/audio_data.c b/libavresample/audio_data.c
index 7a6fe74551..2d01b8cfaa 100644
--- a/libavresample/audio_data.c
+++ b/libavresample/audio_data.c
@@ -70,9 +70,10 @@ int ff_audio_data_set_channels(AudioData *a, int channels)
     return 0;
 }
 
-int ff_audio_data_init(AudioData *a, uint8_t **src, int plane_size, int channels,
-                       int nb_samples, enum AVSampleFormat sample_fmt,
-                       int read_only, const char *name)
+int ff_audio_data_init(AudioData *a, uint8_t * const *src, int plane_size,
+                       int channels, int nb_samples,
+                       enum AVSampleFormat sample_fmt, int read_only,
+                       const char *name)
 {
     int p;