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| author | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2020-11-05 00:42:56 +0100 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2020-12-08 17:51:46 +0100 |
| commit | 477fc65d33a085d923af3101946ddfe42bba1341 (patch) | |
| tree | 2c3fc4b7ba9e82477da33ed7d1649aafd5bd9478 /libavcodec | |
| parent | fcde452a47d8987208df0cdaae1dd6025d7fbf3e (diff) | |
| download | ffmpeg-477fc65d33a085d923af3101946ddfe42bba1341.tar.gz | |
avcodec/rv40: Avoid offset table when initializing static VLCs
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/rv40.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/libavcodec/rv40.c b/libavcodec/rv40.c index 6f9f2c5665..b1c434d8f4 100644 --- a/libavcodec/rv40.c +++ b/libavcodec/rv40.c @@ -41,11 +41,6 @@ static VLC aic_top_vlc; static VLC aic_mode1_vlc[AIC_MODE1_NUM], aic_mode2_vlc[AIC_MODE2_NUM]; static VLC ptype_vlc[NUM_PTYPE_VLCS], btype_vlc[NUM_BTYPE_VLCS]; -static const int16_t mode2_offs[] = { - 0, 614, 1222, 1794, 2410, 3014, 3586, 4202, 4792, 5382, 5966, 6542, - 7138, 7716, 8292, 8864, 9444, 10030, 10642, 11212, 11814 -}; - /** * Initialize all tables. */ @@ -72,7 +67,7 @@ static av_cold void rv40_init_tables(void) aic_mode1_vlc_bits[i], 1, 1, aic_mode1_vlc_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); } - for(i = 0; i < AIC_MODE2_NUM; i++){ + for (unsigned i = 0, offset = 0; i < AIC_MODE2_NUM; i++){ uint16_t syms[AIC_MODE2_SIZE]; for (int j = 0; j < AIC_MODE2_SIZE; j++) { @@ -83,11 +78,12 @@ static av_cold void rv40_init_tables(void) else syms[j] = first | (second << 8); } - aic_mode2_vlc[i].table = &aic_mode2_table[mode2_offs[i]]; - aic_mode2_vlc[i].table_allocated = mode2_offs[i + 1] - mode2_offs[i]; + aic_mode2_vlc[i].table = &aic_mode2_table[offset]; + aic_mode2_vlc[i].table_allocated = FF_ARRAY_ELEMS(aic_mode2_table) - offset; ff_init_vlc_from_lengths(&aic_mode2_vlc[i], AIC_MODE2_BITS, AIC_MODE2_SIZE, aic_mode2_vlc_bits[i], 1, - syms, 2, 2, 0, INIT_VLC_USE_NEW_STATIC, NULL); + syms, 2, 2, 0, INIT_VLC_STATIC_OVERLONG, NULL); + offset += aic_mode2_vlc[i].table_size; } for(i = 0; i < NUM_PTYPE_VLCS; i++){ ptype_vlc[i].table = &ptype_table[i << PTYPE_VLC_BITS]; |