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Enhancement for very slooow machines.

This commit is contained in:
Christophe Massiot 2000-11-29 11:34:22 +00:00
parent f666ec10f1
commit 05c3e530d6
1 changed files with 27 additions and 13 deletions
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40
src/video_parser/vpar_synchro.c
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@ -247,9 +247,15 @@ boolean_t vpar_SynchroChoose( vpar_thread_t * p_vpar, int i_coding_type,
pts = S.current_pts + period * S.i_n_b;
}
b_decode = ( (1 + S.i_n_p * (S.i_n_b + 1)) * period >
S.p_tau[I_CODING_TYPE] ) ||
( (pts - now) > (TAU_PRIME(I_CODING_TYPE) + DELTA) );
if( (1 + S.i_n_p * (S.i_n_b + 1)) * period >
S.p_tau[I_CODING_TYPE] )
{
b_decode = 1;
}
else
{
b_decode = (pts - now) > (TAU_PRIME(I_CODING_TYPE) + DELTA);
}
if( !b_decode )
intf_WarnMsg( 3, "vpar synchro warning: trashing I\n" );
break;
@ -270,20 +276,28 @@ boolean_t vpar_SynchroChoose( vpar_thread_t * p_vpar, int i_coding_type,
pts = S.current_pts + period * S.i_n_b;
}
if( (S.i_n_b + 1) * period > S.p_tau[P_CODING_TYPE] )
if( (1 + S.i_n_p * (S.i_n_b + 1)) * period >
S.p_tau[I_CODING_TYPE] )
{
/* Security in case we're _really_ late */
b_decode = (pts - now > 0);
if( (S.i_n_b + 1) * period > S.p_tau[P_CODING_TYPE] )
{
/* Security in case we're _really_ late */
b_decode = (pts - now > 0);
}
else
{
b_decode = (pts - now) > (TAU_PRIME(P_CODING_TYPE) + DELTA);
/* next I */
b_decode &= (pts - now
+ period
* ( (S.i_n_p - S.i_eta_p - 1) * (1 + S.i_n_b) - 1 ))
> (TAU_PRIME(P_CODING_TYPE)
+ TAU_PRIME(I_CODING_TYPE) + DELTA);
}
}
else
{
b_decode = (pts - now) > (TAU_PRIME(P_CODING_TYPE) + DELTA);
/* next I */
b_decode &= (pts - now
+ period
* ( (S.i_n_p - S.i_eta_p - 1) * (1 + S.i_n_b) - 1 ))
> (TAU_PRIME(P_CODING_TYPE)
+ TAU_PRIME(I_CODING_TYPE) + DELTA);
b_decode = 0;
}
break;