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simplify s->mv_dir init

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Originally committed as revision 9867 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-08-02 01:28:37 +00:00
parent c16c584a4a
commit 037df60e05
1 changed files with 1 additions and 6 deletions
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7
libavcodec/mpeg12.c
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@ -374,7 +374,7 @@ static int mpeg_decode_mb(MpegEncContext *s,
s->qscale = get_qscale(s);
/* motion vectors */
s->mv_dir = 0;
s->mv_dir= (mb_type>>13)&3;
dprintf(s->avctx, "motion_type=%d\n", motion_type);
switch(motion_type) {
case MT_FRAME: /* or MT_16X8 */
@ -383,7 +383,6 @@ static int mpeg_decode_mb(MpegEncContext *s,
s->mv_type = MV_TYPE_16X16;
for(i=0;i<2;i++) {
if (USES_LIST(mb_type, i)) {
s->mv_dir |= (MV_DIR_FORWARD << i);
/* MT_FRAME */
s->mv[i][0][0]= s->last_mv[i][0][0]= s->last_mv[i][1][0] =
mpeg_decode_motion(s, s->mpeg_f_code[i][0], s->last_mv[i][0][0]);
@ -401,7 +400,6 @@ static int mpeg_decode_mb(MpegEncContext *s,
s->mv_type = MV_TYPE_16X8;
for(i=0;i<2;i++) {
if (USES_LIST(mb_type, i)) {
s->mv_dir |= (MV_DIR_FORWARD << i);
/* MT_16X8 */
for(j=0;j<2;j++) {
s->field_select[i][j] = get_bits1(&s->gb);
@ -422,7 +420,6 @@ static int mpeg_decode_mb(MpegEncContext *s,
mb_type |= MB_TYPE_16x8 | MB_TYPE_INTERLACED;
for(i=0;i<2;i++) {
if (USES_LIST(mb_type, i)) {
s->mv_dir |= (MV_DIR_FORWARD << i);
for(j=0;j<2;j++) {
s->field_select[i][j] = get_bits1(&s->gb);
val = mpeg_decode_motion(s, s->mpeg_f_code[i][0],
@ -442,7 +439,6 @@ static int mpeg_decode_mb(MpegEncContext *s,
mb_type |= MB_TYPE_16x16 | MB_TYPE_INTERLACED;
for(i=0;i<2;i++) {
if (USES_LIST(mb_type, i)) {
s->mv_dir |= (MV_DIR_FORWARD << i);
s->field_select[i][0] = get_bits1(&s->gb);
for(k=0;k<2;k++) {
val = mpeg_decode_motion(s, s->mpeg_f_code[i][k],
@ -460,7 +456,6 @@ static int mpeg_decode_mb(MpegEncContext *s,
for(i=0;i<2;i++) {
if (USES_LIST(mb_type, i)) {
int dmx, dmy, mx, my, m;
s->mv_dir |= (MV_DIR_FORWARD << i);
mx = mpeg_decode_motion(s, s->mpeg_f_code[i][0],
s->last_mv[i][0][0]);
s->last_mv[i][0][0] = mx;