From 4fa772acbbac6467165de1ea67a7f303a029cb1d Mon Sep 17 00:00:00 2001 From: Christophe Gisquet Date: Tue, 14 Oct 2014 02:02:36 +0200 Subject: [PATCH] dv: increase VLC reading bits to 10 This also requires a bump in the table size of bit patterns to 1664. From 356 to 348 cycles. Signed-off-by: Michael Niedermayer --- libavcodec/dv.c | 4 ++-- libavcodec/dv.h | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/libavcodec/dv.c b/libavcodec/dv.c index 6cd8a89f8b..2bc7fc5ab1 100644 --- a/libavcodec/dv.c +++ b/libavcodec/dv.c @@ -50,7 +50,7 @@ #include "simple_idct.h" /* XXX: also include quantization */ -RL_VLC_ELEM ff_dv_rl_vlc[1184]; +RL_VLC_ELEM ff_dv_rl_vlc[1664]; static inline void dv_calc_mb_coordinates(const AVDVProfile *d, int chan, int seq, int slot, uint16_t *tbl) @@ -243,7 +243,7 @@ av_cold int ff_dvvideo_init(AVCodecContext *avctx) * to accelerate the parsing of partial codes */ init_vlc(&dv_vlc, TEX_VLC_BITS, j, new_dv_vlc_len, 1, 1, new_dv_vlc_bits, 2, 2, 0); - av_assert1(dv_vlc.table_size == 1184); + av_assert1(dv_vlc.table_size == 1664); for (i = 0; i < dv_vlc.table_size; i++) { int code = dv_vlc.table[i][0]; diff --git a/libavcodec/dv.h b/libavcodec/dv.h index e68d7b02d5..5d282633dd 100644 --- a/libavcodec/dv.h +++ b/libavcodec/dv.h @@ -90,9 +90,9 @@ enum dv_pack_type { */ #define DV_MAX_BPM 8 -#define TEX_VLC_BITS 9 +#define TEX_VLC_BITS 10 -extern RL_VLC_ELEM ff_dv_rl_vlc[1184]; +extern RL_VLC_ELEM ff_dv_rl_vlc[1664]; int ff_dv_init_dynamic_tables(DVVideoContext *s, const AVDVProfile *d);