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| author | Michael Niedermayer <michael@niedermayer.cc> | 2023-10-22 20:18:51 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-10-27 18:10:46 +0200 |
| commit | 9690d71f114a877b8c703baafbdf903601ef86bb (patch) | |
| tree | 56e09c8d6e03c33ac66faf596d42cd5dfe3c52b0 /libavcodec/vlc.c | |
| parent | 9b546a071764871dee20a690a31f97c8f33da769 (diff) | |
| download | ffmpeg-9690d71f114a877b8c703baafbdf903601ef86bb.tar.gz | |
avcodec/vlc: dont pass nb_elems into multi vlc code
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/vlc.c')
| -rw-r--r-- | libavcodec/vlc.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/libavcodec/vlc.c b/libavcodec/vlc.c index 4f62eddf0f..7786043086 100644 --- a/libavcodec/vlc.c +++ b/libavcodec/vlc.c @@ -350,7 +350,7 @@ fail: return AVERROR_INVALIDDATA; } -static void add_level(VLC_MULTI_ELEM *table, const int nb_elems, +static void add_level(VLC_MULTI_ELEM *table, const int is16bit, const int num, const int numbits, const VLCcode *buf, uint32_t curcode, int curlen, @@ -358,7 +358,6 @@ static void add_level(VLC_MULTI_ELEM *table, const int nb_elems, const int minlen, const int max, unsigned* levelcnt, VLC_MULTI_ELEM *info) { - int is16bit = nb_elems>256; int max_symbols = VLC_MULTI_MAX_SYMBOLS >> is16bit; for (int i = num-1; i > max; i--) { for (int j = 0; j < 2; j++) { @@ -387,7 +386,7 @@ static void add_level(VLC_MULTI_ELEM *table, const int nb_elems, } if (curlevel+1 < max_symbols && newlimit >= minlen) { - add_level(table, nb_elems, num, numbits, buf, + add_level(table, is16bit, num, numbits, buf, code, l, newlimit, curlevel+1, minlen, max, levelcnt, info); } @@ -396,7 +395,7 @@ static void add_level(VLC_MULTI_ELEM *table, const int nb_elems, } static int vlc_multi_gen(VLC_MULTI_ELEM *table, const VLC *single, - const int nb_elems, const int nb_codes, const int numbits, + const int is16bit, const int nb_codes, const int numbits, VLCcode *buf, void *logctx) { int minbits, maxbits, max = nb_codes-1; @@ -424,7 +423,7 @@ static int vlc_multi_gen(VLC_MULTI_ELEM *table, const VLC *single, AV_WN16(table[j].val, single->table[j].sym); } - add_level(table, nb_elems, nb_codes, numbits, buf, + add_level(table, is16bit, nb_codes, numbits, buf, 0, 0, FFMIN(maxbits, numbits), 0, minbits, max, count, &info); av_log(logctx, AV_LOG_DEBUG, "Joint: %d/%d/%d/%d/%d codes min=%ubits max=%u\n", @@ -480,7 +479,7 @@ int ff_vlc_init_multi_from_lengths(VLC *vlc, VLC_MULTI *multi, int nb_bits, int ret = vlc_common_end(vlc, nb_bits, j, buf, flags, buf); if (ret < 0) goto fail; - ret = vlc_multi_gen(multi->table, vlc, nb_elems, j, nb_bits, buf, logctx); + ret = vlc_multi_gen(multi->table, vlc, nb_elems > 256, j, nb_bits, buf, logctx); if (buf != localbuf) av_free(buf); return ret; |