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authorMichael Niedermayer <michaelni@gmx.at>2013-06-12 16:16:59 +0200
committerMichael Niedermayer <michaelni@gmx.at>2013-06-12 16:23:49 +0200
commit8aea2f05dc56f7e7d60767dd27ba8e846a05e8ae (patch)
treefb186fadbc9ebc87da3a5d126443bf6e76371456 /libavcodec/alacenc.c
parentd3c4ea8b35f7d950c4853952e9044d5c96b0361b (diff)
alacenc: Fix missing sign_extend()
Possibly fixes Ticket2497 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/alacenc.c')
-rw-r--r--libavcodec/alacenc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/alacenc.c b/libavcodec/alacenc.c
index c41ad1a66d..42068926d0 100644
--- a/libavcodec/alacenc.c
+++ b/libavcodec/alacenc.c
@@ -274,7 +274,7 @@ static void alac_linear_predictor(AlacEncodeContext *s, int ch)
// generate warm-up samples
residual[0] = samples[0];
for (i = 1; i <= lpc.lpc_order; i++)
- residual[i] = samples[i] - samples[i-1];
+ residual[i] = sign_extend(samples[i] - samples[i-1], s->write_sample_size);
// perform lpc on remaining samples
for (i = lpc.lpc_order + 1; i < s->frame_size; i++) {