ffmpeg | branch: release/4.4 | Andreas Rheinhardt <[email protected]> | Fri Mar 26 06:03:49 2021 +0100| [a8fb9c9d2740c54adb5192f02207a32a66f29618] | committer: Andreas Rheinhardt
avcodec/dcaenc: Fix undefined left shift of negative numbers Affected the acodec-dca and acodec-dca2 FATE tests. Signed-off-by: Andreas Rheinhardt <[email protected]> (cherry picked from commit 659a925939011338cac1ab3c21d58d4b077fc926) > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a8fb9c9d2740c54adb5192f02207a32a66f29618 --- libavcodec/dcaenc.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/libavcodec/dcaenc.c b/libavcodec/dcaenc.c index a40d2e0ca0..87fb5f5457 100644 --- a/libavcodec/dcaenc.c +++ b/libavcodec/dcaenc.c @@ -925,10 +925,10 @@ static void fill_in_adpcm_bufer(DCAEncContext *c) * But there are no proper value in decoder history, so likely result will be no good. * Bitstream has "Predictor history flag switch", but this flag disables history for all subbands */ - samples[0] = c->adpcm_history[ch][band][0] << 7; - samples[1] = c->adpcm_history[ch][band][1] << 7; - samples[2] = c->adpcm_history[ch][band][2] << 7; - samples[3] = c->adpcm_history[ch][band][3] << 7; + samples[0] = c->adpcm_history[ch][band][0] * (1 << 7); + samples[1] = c->adpcm_history[ch][band][1] * (1 << 7); + samples[2] = c->adpcm_history[ch][band][2] * (1 << 7); + samples[3] = c->adpcm_history[ch][band][3] * (1 << 7); } } } _______________________________________________ ffmpeg-cvslog mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
