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vc1: Set the is_intra bitfield to all 1 when needed 

Keep the code as similar as possible across the codepaths to
ease spotting it for factorization.

Based on a patch from Michael Niedermayer <michaelni@gmx.at>.
This commit is contained in:
Luca Barbato 2014-11-24 00:44:47 +01:00 committed by Vittorio Giovara
parent b67138598c
commit d25afb579f
1 changed files with 9 additions and 5 deletions
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12
libavcodec/vc1_block.c
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@ -1648,8 +1648,9 @@ static int vc1_decode_p_mb_intfr(VC1Context *v)
s->current_picture.motion_val[1][s->block_index[i]][0] = 0;
s->current_picture.motion_val[1][s->block_index[i]][1] = 0;
}
v->is_intra[s->mb_x] = 0x3f; // Set the bitfield to all 1.
s->mb_intra = 1;
s->current_picture.mb_type[mb_pos] = MB_TYPE_INTRA;
s->mb_intra = v->is_intra[s->mb_x] = 1;
fieldtx = v->fieldtx_plane[mb_pos] = get_bits1(gb);
mb_has_coeffs = get_bits1(gb);
if (mb_has_coeffs)
@ -1816,7 +1817,8 @@ static int vc1_decode_p_mb_intfi(VC1Context *v)
idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_IF_MBMODE_VLC_BITS, 2);
if (idx_mbmode <= 1) { // intra MB
s->mb_intra = v->is_intra[s->mb_x] = 1;
v->is_intra[s->mb_x] = 0x3f; // Set the bitfield to all 1.
s->mb_intra = 1;
s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][0] = 0;
s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][1] = 0;
s->current_picture.mb_type[mb_pos + v->mb_off] = MB_TYPE_INTRA;
@ -2093,7 +2095,8 @@ static void vc1_decode_b_mb_intfi(VC1Context *v)
idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_IF_MBMODE_VLC_BITS, 2);
if (idx_mbmode <= 1) { // intra MB
s->mb_intra = v->is_intra[s->mb_x] = 1;
v->is_intra[s->mb_x] = 0x3f; // Set the bitfield to all 1.
s->mb_intra = 1;
s->current_picture.motion_val[1][s->block_index[0]][0] = 0;
s->current_picture.motion_val[1][s->block_index[0]][1] = 0;
s->current_picture.mb_type[mb_pos + v->mb_off] = MB_TYPE_INTRA;
@ -2311,8 +2314,9 @@ static int vc1_decode_b_mb_intfr(VC1Context *v)
s->mv[1][i][0] = s->current_picture.motion_val[1][s->block_index[i]][0] = 0;
s->mv[1][i][1] = s->current_picture.motion_val[1][s->block_index[i]][1] = 0;
}
v->is_intra[s->mb_x] = 0x3f; // Set the bitfield to all 1.
s->mb_intra = 1;
s->current_picture.mb_type[mb_pos] = MB_TYPE_INTRA;
s->mb_intra = v->is_intra[s->mb_x] = 1;
fieldtx = v->fieldtx_plane[mb_pos] = get_bits1(gb);
mb_has_coeffs = get_bits1(gb);
if (mb_has_coeffs)