diff options
| author | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2020-12-28 03:31:05 +0100 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2020-12-31 23:18:55 +0100 |
| commit | 4f1ae39036fa7ca587aca390dea1c0b4126eda0e (patch) | |
| tree | 37f7bf5734239a43ce78906f356ede54b33657bb /libavcodec | |
| parent | 3693e2fceef3352e8a749eeb6ca84670273ef750 (diff) | |
| download | ffmpeg-4f1ae39036fa7ca587aca390dea1c0b4126eda0e.tar.gz | |
avcodec/aacps_common: Use minimal VLC nb_bits/max_depth
Reviewed-by: Lynne <dev@lynne.ee>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/aacps_common.c | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/libavcodec/aacps_common.c b/libavcodec/aacps_common.c index ecc220f94b..8653b871ca 100644 --- a/libavcodec/aacps_common.c +++ b/libavcodec/aacps_common.c @@ -61,7 +61,7 @@ static const int huff_iid[] = { static VLC vlc_ps[10]; -#define READ_PAR_DATA(PAR, OFFSET, MASK, ERR_CONDITION) \ +#define READ_PAR_DATA(PAR, OFFSET, MASK, ERR_CONDITION, NB_BITS, MAX_DEPTH) \ /** \ * Read Inter-channel Intensity Difference/Inter-Channel Coherence/ \ * Inter-channel Phase Difference/Overall Phase Difference parameters from the \ @@ -83,7 +83,7 @@ static int read_ ## PAR ## _data(AVCodecContext *avctx, GetBitContext *gb, PSCom int e_prev = e ? e - 1 : ps->num_env_old - 1; \ e_prev = FFMAX(e_prev, 0); \ for (b = 0; b < num; b++) { \ - int val = PAR[e_prev][b] + get_vlc2(gb, vlc_table, 9, 3) - OFFSET; \ + int val = PAR[e_prev][b] + get_vlc2(gb, vlc_table, NB_BITS, MAX_DEPTH) - OFFSET; \ if (MASK) val &= MASK; \ PAR[e][b] = val; \ if (ERR_CONDITION) \ @@ -92,7 +92,7 @@ static int read_ ## PAR ## _data(AVCodecContext *avctx, GetBitContext *gb, PSCom } else { \ int val = 0; \ for (b = 0; b < num; b++) { \ - val += get_vlc2(gb, vlc_table, 9, 3) - OFFSET; \ + val += get_vlc2(gb, vlc_table, NB_BITS, MAX_DEPTH) - OFFSET; \ if (MASK) val &= MASK; \ PAR[e][b] = val; \ if (ERR_CONDITION) \ @@ -105,9 +105,9 @@ err: \ return AVERROR_INVALIDDATA; \ } -READ_PAR_DATA(iid, huff_offset[table_idx], 0, FFABS(ps->iid_par[e][b]) > 7 + 8 * ps->iid_quant) -READ_PAR_DATA(icc, huff_offset[table_idx], 0, ps->icc_par[e][b] > 7U) -READ_PAR_DATA(ipdopd, 0, 0x07, 0) +READ_PAR_DATA(iid, huff_offset[table_idx], 0, FFABS(ps->iid_par[e][b]) > 7 + 8 * ps->iid_quant, 9, 3) +READ_PAR_DATA(icc, huff_offset[table_idx], 0, ps->icc_par[e][b] > 7U, 9, 2) +READ_PAR_DATA(ipdopd, 0, 0x07, 0, 5, 1) static int ps_read_extension_data(GetBitContext *gb, PSCommonContext *ps, int ps_extension_id) @@ -289,8 +289,8 @@ err: return bits_left; } -#define PS_INIT_VLC_STATIC(num, size) \ - INIT_VLC_STATIC(&vlc_ps[num], 9, ps_tmp[num].table_size / ps_tmp[num].elem_size, \ +#define PS_INIT_VLC_STATIC(num, nb_bits, size) \ + INIT_VLC_STATIC(&vlc_ps[num], nb_bits, ps_tmp[num].table_size / ps_tmp[num].elem_size, \ ps_tmp[num].ps_bits, 1, 1, \ ps_tmp[num].ps_codes, ps_tmp[num].elem_size, ps_tmp[num].elem_size, \ size); @@ -317,16 +317,16 @@ static av_cold void ps_init_common(void) PS_VLC_ROW(huff_opd_dt), }; - PS_INIT_VLC_STATIC(0, 1544); - PS_INIT_VLC_STATIC(1, 832); - PS_INIT_VLC_STATIC(2, 1024); - PS_INIT_VLC_STATIC(3, 1036); - PS_INIT_VLC_STATIC(4, 544); - PS_INIT_VLC_STATIC(5, 544); - PS_INIT_VLC_STATIC(6, 512); - PS_INIT_VLC_STATIC(7, 512); - PS_INIT_VLC_STATIC(8, 512); - PS_INIT_VLC_STATIC(9, 512); + PS_INIT_VLC_STATIC(0, 9, 1544); + PS_INIT_VLC_STATIC(1, 9, 832); + PS_INIT_VLC_STATIC(2, 9, 1024); + PS_INIT_VLC_STATIC(3, 9, 1036); + PS_INIT_VLC_STATIC(4, 9, 544); + PS_INIT_VLC_STATIC(5, 9, 544); + PS_INIT_VLC_STATIC(6, 5, 32); + PS_INIT_VLC_STATIC(7, 5, 32); + PS_INIT_VLC_STATIC(8, 5, 32); + PS_INIT_VLC_STATIC(9, 5, 32); } av_cold void ff_ps_init_common(void) |