virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-04 22:03:09 +02:00
Code Issues Releases Activity

avcodec/vc1_block: Inline y_dc_scale_table

Browse Source 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-02-27 14:58:43 +01:00
parent 8aa08c9fa0
commit 38e8eefc9c
2 changed files with 11 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
libavcodec/vc1_block.c
View File

@ -417,7 +417,7 @@ static inline int ff_vc1_pred_dc(MpegEncContext *s, int overlap, int pq, int n,
/* scale predictors if needed */
q1 = FFABS(s->cur_pic.qscale_table[mb_pos]);
dqscale_index = s->y_dc_scale_table[q1] - 1;
dqscale_index = ff_wmv3_dc_scale_table[q1] - 1;
if (dqscale_index < 0)
return 0;
@ -434,12 +434,12 @@ static inline int ff_vc1_pred_dc(MpegEncContext *s, int overlap, int pq, int n,
if (c_avail && (n != 1 && n != 3)) {
q2 = FFABS(s->cur_pic.qscale_table[mb_pos - 1]);
if (q2 && q2 != q1)
c = (int)((unsigned)c * s->y_dc_scale_table[q2] * ff_vc1_dqscale[dqscale_index] + 0x20000) >> 18;
c = (int)((unsigned)c * ff_wmv3_dc_scale_table[q2] * ff_vc1_dqscale[dqscale_index] + 0x20000) >> 18;
}
if (a_avail && (n != 2 && n != 3)) {
q2 = FFABS(s->cur_pic.qscale_table[mb_pos - s->mb_stride]);
if (q2 && q2 != q1)
a = (int)((unsigned)a * s->y_dc_scale_table[q2] * ff_vc1_dqscale[dqscale_index] + 0x20000) >> 18;
a = (int)((unsigned)a * ff_wmv3_dc_scale_table[q2] * ff_vc1_dqscale[dqscale_index] + 0x20000) >> 18;
}
if (a_avail && c_avail && (n != 3)) {
int off = mb_pos;
@ -449,7 +449,7 @@ static inline int ff_vc1_pred_dc(MpegEncContext *s, int overlap, int pq, int n,
off -= s->mb_stride;
q2 = FFABS(s->cur_pic.qscale_table[off]);
if (q2 && q2 != q1)
b = (int)((unsigned)b * s->y_dc_scale_table[q2] * ff_vc1_dqscale[dqscale_index] + 0x20000) >> 18;
b = (int)((unsigned)b * ff_wmv3_dc_scale_table[q2] * ff_vc1_dqscale[dqscale_index] + 0x20000) >> 18;
}
if (c_avail && (!a_avail || abs(a - b) <= abs(b - c))) {
@ -917,7 +917,7 @@ static int vc1_decode_intra_block(VC1Context *v, int16_t block[64], int n,
quant = av_clip_uintp2(quant, 5);
/* Set DC scale - y and c use the same so we only set y */
s->y_dc_scale = s->y_dc_scale_table[quant];
s->y_dc_scale = ff_wmv3_dc_scale_table[quant];
/* Get DC differential */
dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_vlc[s->dc_table_index][n >= 4],
@ -1579,7 +1579,7 @@ static int vc1_decode_p_mb_intfr(VC1Context *v)
GET_MQUANT();
s->cur_pic.qscale_table[mb_pos] = mquant;
/* Set DC scale - y and c use the same so we only set y */
s->y_dc_scale = s->y_dc_scale_table[FFABS(mquant)];
s->y_dc_scale = ff_wmv3_dc_scale_table[FFABS(mquant)];
dst_idx = 0;
for (i = 0; i < 6; i++) {
v->a_avail = v->c_avail = 0;
@ -1741,7 +1741,7 @@ static int vc1_decode_p_mb_intfi(VC1Context *v)
GET_MQUANT();
s->cur_pic.qscale_table[mb_pos] = mquant;
/* Set DC scale - y and c use the same so we only set y */
s->y_dc_scale = s->y_dc_scale_table[FFABS(mquant)];
s->y_dc_scale = ff_wmv3_dc_scale_table[FFABS(mquant)];
v->s.ac_pred = v->acpred_plane[mb_pos] = get_bits1(gb);
mb_has_coeffs = idx_mbmode & 1;
if (mb_has_coeffs)
@ -2028,7 +2028,7 @@ static int vc1_decode_b_mb_intfi(VC1Context *v)
GET_MQUANT();
s->cur_pic.qscale_table[mb_pos] = mquant;
/* Set DC scale - y and c use the same so we only set y */
s->y_dc_scale = s->y_dc_scale_table[FFABS(mquant)];
s->y_dc_scale = ff_wmv3_dc_scale_table[FFABS(mquant)];
v->s.ac_pred = v->acpred_plane[mb_pos] = get_bits1(gb);
mb_has_coeffs = idx_mbmode & 1;
if (mb_has_coeffs)
@ -2228,7 +2228,7 @@ static int vc1_decode_b_mb_intfr(VC1Context *v)
GET_MQUANT();
s->cur_pic.qscale_table[mb_pos] = mquant;
/* Set DC scale - y and c use the same so we only set y */
s->y_dc_scale = s->y_dc_scale_table[FFABS(mquant)];
s->y_dc_scale = ff_wmv3_dc_scale_table[FFABS(mquant)];
dst_idx = 0;
for (i = 0; i < 6; i++) {
v->a_avail = v->c_avail = 0;
@ -2550,7 +2550,7 @@ static void vc1_decode_i_blocks(VC1Context *v)
}
/* Set DC scale - y and c use the same so we only set y */
s->y_dc_scale = s->y_dc_scale_table[v->pq];
s->y_dc_scale = ff_wmv3_dc_scale_table[v->pq];
//do frame decode
s->mb_x = s->mb_y = 0;
@ -2719,7 +2719,7 @@ static int vc1_decode_i_blocks_adv(VC1Context *v)
s->cur_pic.qscale_table[mb_pos] = mquant;
/* Set DC scale - y and c use the same so we only set y */
s->y_dc_scale = s->y_dc_scale_table[FFABS(mquant)];
s->y_dc_scale = ff_wmv3_dc_scale_table[FFABS(mquant)];
for (k = 0; k < 6; k++) {
v->mb_type[0][s->block_index[k]] = 1;

2
libavcodec/vc1dec.c
View File

@ -471,8 +471,6 @@ av_cold int ff_vc1_decode_init(AVCodecContext *avctx)
if (ret < 0)
return ret;
s->y_dc_scale_table = ff_wmv3_dc_scale_table;
ff_init_scantable(s->idsp.idct_permutation, &s->intra_scantable,
ff_wmv1_scantable[1]);