diff options
| author | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2022-10-21 23:17:07 +0200 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2022-10-27 15:44:36 +0200 |
| commit | 11dfa4d15963a7ad71b763261d6d7e3dcded9965 (patch) | |
| tree | 5cfb8de2192009d8fc18f8d0cd957250bd6ce385 /libavcodec/mpeg12.c | |
| parent | 9aa7397db13e649b3d2d04cdb33920d7a9000d87 (diff) | |
| download | ffmpeg-11dfa4d15963a7ad71b763261d6d7e3dcded9965.tar.gz | |
avcodec/mpeg12: Avoid indirection when accessing rl_vlc tables
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Diffstat (limited to 'libavcodec/mpeg12.c')
| -rw-r--r-- | libavcodec/mpeg12.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c index df6aba9d74..351ebf420f 100644 --- a/libavcodec/mpeg12.c +++ b/libavcodec/mpeg12.c @@ -63,7 +63,8 @@ static const uint8_t table_mb_btype[11][2] = { { 2, 5 }, // 0x1E MB_QUANT|MB_FOR|MB_BACK|MB_PAT }; -av_cold void ff_init_2d_vlc_rl(RLTable *rl, unsigned static_size, int flags) +av_cold void ff_init_2d_vlc_rl(const RLTable *rl, RL_VLC_ELEM rl_vlc[], + unsigned static_size, int flags) { int i; VLCElem table[680] = { 0 }; @@ -94,9 +95,9 @@ av_cold void ff_init_2d_vlc_rl(RLTable *rl, unsigned static_size, int flags) level = rl->table_level[code]; } } - rl->rl_vlc[0][i].len = len; - rl->rl_vlc[0][i].level = level; - rl->rl_vlc[0][i].run = run; + rl_vlc[i].len = len; + rl_vlc[i].level = level; + rl_vlc[i].run = run; } } @@ -122,6 +123,9 @@ VLC ff_mb_ptype_vlc; VLC ff_mb_btype_vlc; VLC ff_mb_pat_vlc; +RL_VLC_ELEM ff_mpeg1_rl_vlc[680]; +RL_VLC_ELEM ff_mpeg2_rl_vlc[674]; + static av_cold void mpeg12_init_vlcs(void) { INIT_VLC_STATIC(&ff_dc_lum_vlc, DC_VLC_BITS, 12, @@ -147,8 +151,8 @@ static av_cold void mpeg12_init_vlcs(void) &table_mb_btype[0][1], 2, 1, &table_mb_btype[0][0], 2, 1, 64); - INIT_2D_VLC_RL(ff_rl_mpeg1, 680, 0); - INIT_2D_VLC_RL(ff_rl_mpeg2, 674, 0); + INIT_2D_VLC_RL(ff_rl_mpeg1, ff_mpeg1_rl_vlc, 0); + INIT_2D_VLC_RL(ff_rl_mpeg2, ff_mpeg2_rl_vlc, 0); } av_cold void ff_mpeg12_init_vlcs(void) @@ -231,7 +235,6 @@ int ff_mpeg1_decode_block_intra(GetBitContext *gb, int16_t *block, int index, int qscale) { int dc, diff, i = 0, component; - RLTable *rl = &ff_rl_mpeg1; /* DC coefficient */ component = index <= 3 ? 0 : index - 4 + 1; @@ -256,7 +259,7 @@ int ff_mpeg1_decode_block_intra(GetBitContext *gb, while (1) { int level, run, j; - GET_RL_VLC(level, run, re, gb, rl->rl_vlc[0], + GET_RL_VLC(level, run, re, gb, ff_mpeg1_rl_vlc, TEX_VLC_BITS, 2, 0); if (level != 0) { |