Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@gmail.com> --- libavcodec/clearvideo.c | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-)
diff --git a/libavcodec/clearvideo.c b/libavcodec/clearvideo.c index 162dc13ce7..dd5720bda4 100644 --- a/libavcodec/clearvideo.c +++ b/libavcodec/clearvideo.c @@ -32,6 +32,8 @@ #include "mathops.h" #include "clearvideodata.h" +#define CLV_VLC_BITS 9 + typedef struct LevelCodes { uint16_t mv_esc; uint16_t bias_esc; @@ -87,14 +89,14 @@ static inline int decode_block(CLVContext *ctx, int16_t *blk, int has_ac, int idx = 1, last = 0, val, skip; memset(blk, 0, sizeof(*blk) * 64); - blk[0] = get_vlc2(gb, ctx->dc_vlc.table, 9, 3); + blk[0] = get_vlc2(gb, ctx->dc_vlc.table, CLV_VLC_BITS, 3); blk[0] -= 63; if (!has_ac) return 0; while (idx < 64 && !last) { - val = get_vlc2(gb, ctx->ac_vlc.table, 9, 2); + val = get_vlc2(gb, ctx->ac_vlc.table, CLV_VLC_BITS, 2); if (val < 0) return AVERROR_INVALIDDATA; if (val != 0x1BFF) { @@ -365,11 +367,11 @@ static TileInfo* decode_tile_info(GetBitContext *gb, LevelCodes *lc, int level) MV mv = { 0 }; if (lc[level].flags_cb.table) { - flags = get_vlc2(gb, lc[level].flags_cb.table, lc[level].flags_cb.bits, 2); + flags = get_vlc2(gb, lc[level].flags_cb.table, CLV_VLC_BITS, 2); } if (lc[level].mv_cb.table) { - uint16_t mv_code = get_vlc2(gb, lc[level].mv_cb.table, lc[level].mv_cb.bits, 3); + uint16_t mv_code = get_vlc2(gb, lc[level].mv_cb.table, CLV_VLC_BITS, 3); if (mv_code != lc[level].mv_esc) { mv.x = (int8_t)(mv_code & 0xff); @@ -381,7 +383,7 @@ static TileInfo* decode_tile_info(GetBitContext *gb, LevelCodes *lc, int level) } if (lc[level].bias_cb.table) { - uint16_t bias_val = get_vlc2(gb, lc[level].bias_cb.table, lc[level].bias_cb.bits, 2); + uint16_t bias_val = get_vlc2(gb, lc[level].bias_cb.table, CLV_VLC_BITS, 2); if (bias_val != lc[level].bias_esc) { bias = (int16_t)(bias_val); @@ -660,7 +662,8 @@ static av_cold int build_vlc(VLC *vlc, const uint8_t counts[16], for (count += num; num < count; num++) lens[num] = i + 1; } - ret = ff_init_vlc_from_lengths(vlc, 9, num, lens, 1, *syms, 2, 2, 0, 0); + ret = ff_init_vlc_from_lengths(vlc, CLV_VLC_BITS, num, lens, 1, + *syms, 2, 2, 0, 0); if (ret < 0) return ret; *syms += num; @@ -712,14 +715,14 @@ static av_cold int clv_decode_init(AVCodecContext *avctx) return AVERROR(ENOMEM); ff_idctdsp_init(&c->idsp, avctx); - ret = init_vlc(&c->dc_vlc, 9, NUM_DC_CODES, + ret = init_vlc(&c->dc_vlc, CLV_VLC_BITS, NUM_DC_CODES, clv_dc_bits, 1, 1, clv_dc_codes, 1, 1, 0); if (ret) { av_log(avctx, AV_LOG_ERROR, "Error initialising DC VLC\n"); return ret; } - ret = ff_init_vlc_from_lengths(&c->ac_vlc, 9, NUM_AC_CODES, + ret = ff_init_vlc_from_lengths(&c->ac_vlc, CLV_VLC_BITS, NUM_AC_CODES, clv_ac_bits, 1, clv_ac_syms, 2, 2, 0, 0); if (ret) { @@ -738,7 +741,7 @@ static av_cold int clv_decode_init(AVCodecContext *avctx) if (i == FF_ARRAY_ELEMS(has_flags)) break; if (has_flags[i]) { - ret = ff_init_vlc_from_lengths(&c->lev[i].flags_cb, 9, 16, + ret = ff_init_vlc_from_lengths(&c->lev[i].flags_cb, CLV_VLC_BITS, 16, clv_flags_bits[j], 1, clv_flags_syms[j], 1, 1, 0, 0); if (ret < 0) -- 2.25.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".