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author | Michael Niedermayer <michaelni@gmx.at> | 2013-06-13 00:01:13 +0200 |
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committer | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2013-06-13 00:04:23 +0200 |
commit | bc4dc32b2a4086ae4e5159ac6ec1897a3b9a9a31 (patch) | |
tree | f4ce6a921a5043d03b121b299657bf29a514e567 | |
parent | 01580c0955f9fba6a1a04b85eaa2f2ec5e234bf6 (diff) | |
download | ffmpeg-bc4dc32b2a4086ae4e5159ac6ec1897a3b9a9a31.tar.gz |
alacenc: Fix missing sign_extend()
Fixes ticket #2497
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 8aea2f05dc56f7e7d60767dd27ba8e846a05e8ae)
-rw-r--r-- | libavcodec/alacenc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/alacenc.c b/libavcodec/alacenc.c index 71e2a74822..5354d0b940 100644 --- a/libavcodec/alacenc.c +++ b/libavcodec/alacenc.c @@ -275,7 +275,7 @@ 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++) { |