av_samples_fill_array: Mark unmodified function argument as const.

[ffmpeg.git] / libavutil / samplefmt.c

diff --git a/libavutil/samplefmt.c b/libavutil/samplefmt.c
index 2e0aa98..711afac 100644 (file)
--- a/libavutil/samplefmt.c
+++ b/libavutil/samplefmt.c
@@ -124,8 +124,10 @@ int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples,
         return AVERROR(EINVAL);
 
     /* auto-select alignment if not specified */
-    if (!align)
-        align = 32;
+    if (!align) {
+        align = 1;
+        nb_samples = FFALIGN(nb_samples, 32);
+    }
 
     /* check for integer overflow */
     if (nb_channels > INT_MAX / align ||
@@ -141,7 +143,7 @@ int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples,
 }
 
 int av_samples_fill_arrays(uint8_t **audio_data, int *linesize,
-                           uint8_t *buf, int nb_channels, int nb_samples,
+                           const uint8_t *buf, int nb_channels, int nb_samples,
                            enum AVSampleFormat sample_fmt, int align)
 {
     int ch, planar, buf_size, line_size;