ffmpeg | branch: master | Wu Jianhua <toq...@outlook.com> | Wed May 14 21:40:08 2025 +0800| [02fe29fa396d6bc6d4595246ca9a7a299c5cf625] | committer: Nuo Mi
avcodec/vvc/cabac: add 9.3.3.5 k-th order Exp - Golomb binarization process Signed-off-by: Wu Jianhua <toq...@outlook.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=02fe29fa396d6bc6d4595246ca9a7a299c5cf625 --- libavcodec/vvc/cabac.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/libavcodec/vvc/cabac.c b/libavcodec/vvc/cabac.c index 5510144893..54055ed736 100644 --- a/libavcodec/vvc/cabac.c +++ b/libavcodec/vvc/cabac.c @@ -928,6 +928,27 @@ static int truncated_binary_decode(VVCLocalContext *lc, const int c_max) return v; } +// 9.3.3.5 k-th order Exp - Golomb binarization process +static int kth_order_egk_decode(CABACContext *c, int k) +{ + int bit = 1; + int value = 0; + int symbol = 0; + + while (bit) { + bit = get_cabac_bypass(c); + value += bit << k++; + } + + if (--k) { + for (int i = 0; i < k; i++) + symbol = (symbol << 1) | get_cabac_bypass(c); + value += symbol; + } + + return value; +} + // 9.3.3.6 Limited k-th order Exp-Golomb binarization process static int limited_kth_order_egk_decode(CABACContext *c, const int k, const int max_pre_ext_len, const int trunc_suffix_len) { _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
