diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2004-10-28 17:34:14 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2004-10-28 17:34:14 +0000 |
| commit | 1499a1f7df83e17ed55cdbc73a8cd0a5a0102c82 (patch) | |
| tree | 967c9f1b20a40b761740e9aab8a1fd8de8f02665 /libavcodec/h261.c | |
| parent | 9740687b6be5631b2c0500eb38938a4b47df54f2 (diff) | |
simplify
Originally committed as revision 3648 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/h261.c')
| -rw-r--r-- | libavcodec/h261.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/libavcodec/h261.c b/libavcodec/h261.c index e7fa63e923..8a6b27f256 100644 --- a/libavcodec/h261.c +++ b/libavcodec/h261.c @@ -596,7 +596,7 @@ static int decode_mv_component(GetBitContext *gb, int v){ static int h261_decode_mb(H261Context *h){ MpegEncContext * const s = &h->s; - int i, cbp, xy, old_mtype; + int i, cbp, xy; cbp = 63; // Read mba @@ -634,7 +634,6 @@ static int h261_decode_mb(H261Context *h){ s->dsp.clear_blocks(s->block[0]); // Read mtype - old_mtype = h->mtype; h->mtype = get_vlc2(&s->gb, h261_mtype_vlc.table, H261_MTYPE_VLC_BITS, 2); h->mtype = h261_mtype_map[h->mtype]; @@ -654,7 +653,7 @@ static int h261_decode_mb(H261Context *h){ // 2) evaluating MVD for macroblocks in which MBA does not represent a difference of 1; // 3) MTYPE of the previous macroblock was not MC. if ( ( h->current_mba == 1 ) || ( h->current_mba == 12 ) || ( h->current_mba == 23 ) || - ( h->mba_diff != 1) || ( !IS_16X16 ( old_mtype ) )) + ( h->mba_diff != 1)) { h->current_mv_x = 0; h->current_mv_y = 0; @@ -662,6 +661,9 @@ static int h261_decode_mb(H261Context *h){ h->current_mv_x= decode_mv_component(&s->gb, h->current_mv_x); h->current_mv_y= decode_mv_component(&s->gb, h->current_mv_y); + }else{ + h->current_mv_x = 0; + h->current_mv_y = 0; } // Read cbp @@ -678,14 +680,8 @@ static int h261_decode_mb(H261Context *h){ s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_16X16; s->current_picture.mb_type[xy]= MB_TYPE_16x16 | MB_TYPE_L0; - if(IS_16X16 ( h->mtype )){ - s->mv[0][0][0] = h->current_mv_x * 2;//gets divided by 2 in motion compensation - s->mv[0][0][1] = h->current_mv_y * 2; - } - else{ - h->current_mv_x = s->mv[0][0][0] = 0; - h->current_mv_x = s->mv[0][0][1] = 0; - } + s->mv[0][0][0] = h->current_mv_x * 2;//gets divided by 2 in motion compensation + s->mv[0][0][1] = h->current_mv_y * 2; intra: /* decode each block */ |