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avcodec/h261enc: dont use current_mv_x/y

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Fixes -mbd rd
Fixes Ticket3151

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-11-20 15:28:46 +01:00
parent cccdaa406a
commit 6c04c5f733
1 changed files with 12 additions and 13 deletions
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25
libavcodec/h261enc.c
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@ -99,20 +99,19 @@ static void h261_encode_gob_header(MpegEncContext *s, int mb_line)
put_bits(&s->pb, 5, s->qscale); /* GQUANT */
put_bits(&s->pb, 1, 0); /* no GEI */
s->mb_skip_run = 0;
h->current_mv_x = 0;
h->current_mv_y = 0;
s->last_mv[0][0][0] = 0;
s->last_mv[0][0][1] = 0;
}
void ff_h261_reorder_mb_index(MpegEncContext *s)
{
H261Context *h = (H261Context *)s;
int index = s->mb_x + s->mb_y * s->mb_width;
if (index % 11 == 0) {
if (index % 33 == 0)
h261_encode_gob_header(s, 0);
h->current_mv_x = 0;
h->current_mv_y = 0;
s->last_mv[0][0][0] = 0;
s->last_mv[0][0][1] = 0;
}
/* for CIF the GOB's are fragmented in the middle of a scanline
@ -254,8 +253,8 @@ void ff_h261_encode_mb(MpegEncContext *s, int16_t block[6][64],
/* skip macroblock */
s->skip_count++;
s->mb_skip_run++;
h->current_mv_x = 0;
h->current_mv_y = 0;
s->last_mv[0][0][0] = 0;
s->last_mv[0][0][1] = 0;
return;
}
}
@ -294,10 +293,10 @@ void ff_h261_encode_mb(MpegEncContext *s, int16_t block[6][64],
}
if (IS_16X16(h->mtype)) {
mv_diff_x = (motion_x >> 1) - h->current_mv_x;
mv_diff_y = (motion_y >> 1) - h->current_mv_y;
h->current_mv_x = (motion_x >> 1);
h->current_mv_y = (motion_y >> 1);
mv_diff_x = (motion_x >> 1) - s->last_mv[0][0][0];
mv_diff_y = (motion_y >> 1) - s->last_mv[0][0][1];
s->last_mv[0][0][0] = (motion_x >> 1);
s->last_mv[0][0][1] = (motion_y >> 1);
h261_encode_motion(h, mv_diff_x);
h261_encode_motion(h, mv_diff_y);
}
@ -313,8 +312,8 @@ void ff_h261_encode_mb(MpegEncContext *s, int16_t block[6][64],
h261_encode_block(h, block[i], i);
if (!IS_16X16(h->mtype)) {
h->current_mv_x = 0;
h->current_mv_y = 0;
s->last_mv[0][0][0] = 0;
s->last_mv[0][0][1] = 0;
}
}