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| author | James Almer <jamrial@gmail.com> | 2023-06-24 14:11:57 -0300 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2023-06-24 14:39:04 -0300 |
| commit | 10f1bbfe117e990a6fe56c03085966fa0c0f0f2e (patch) | |
| tree | 7da093a5434235ef08d4ecce54e79d052f1f532f /libavcodec | |
| parent | 35af1695a9ad6f950e03efd156b99898b94dd57c (diff) | |
| download | ffmpeg-10f1bbfe117e990a6fe56c03085966fa0c0f0f2e.tar.gz | |
avcodec/j2kenc: use uint64_t type for the lambda value
Should fix integer overflows, and improve encoding results.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/j2kenc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/j2kenc.c b/libavcodec/j2kenc.c index 2b0c58cff4..5f95b772d1 100644 --- a/libavcodec/j2kenc.c +++ b/libavcodec/j2kenc.c @@ -127,7 +127,7 @@ typedef struct { uint8_t *buf_end; int bit_index; - int64_t lambda; + uint64_t lambda; Jpeg2000CodingStyle codsty; Jpeg2000QuantStyle qntsty; @@ -1348,7 +1348,7 @@ static void makelayers(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile) } } -static int getcut(Jpeg2000Cblk *cblk, int64_t lambda, int dwt_norm) +static int getcut(Jpeg2000Cblk *cblk, uint64_t lambda, int dwt_norm) { int passno, res = 0; for (passno = 0; passno < cblk->npasses; passno++){ |