Needs to be done separately for each element.
---
 libavcodec/alac.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/libavcodec/alac.c b/libavcodec/alac.c
index bb2e836..1756cdf 100644
--- a/libavcodec/alac.c
+++ b/libavcodec/alac.c
@@ -321,16 +321,16 @@ static int decode_element(AVCodecContext *avctx, void 
*data, int ch_index,
             av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
             return ret;
         }
-        if (alac->sample_size > 16) {
-            for (ch = 0; ch < channels; ch++)
-                alac->output_samples_buffer[ch] = (int32_t 
*)alac->frame.extended_data[ch_index + ch];
-        }
     } else if (output_samples != alac->nb_samples) {
         av_log(avctx, AV_LOG_ERROR, "sample count mismatch: %u != %d\n",
                output_samples, alac->nb_samples);
         return AVERROR_INVALIDDATA;
     }
     alac->nb_samples = output_samples;
+    if (alac->sample_size > 16) {
+        for (ch = 0; ch < channels; ch++)
+            alac->output_samples_buffer[ch] = (int32_t 
*)alac->frame.extended_data[ch_index + ch];
+    }
 
     if (is_compressed) {
         int16_t lpc_coefs[2][32];
-- 
1.7.1

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