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Commit a8bca726 authored by Christophe Massiot's avatar Christophe Massiot
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New synchro statistics and warnings.

parent 8a38b8fb
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Showing with 116 additions and 100 deletions
src/video_decoder/vpar_synchro.h
View file @ a8bca726
......@@ -2,7 +2,7 @@
* vpar_synchro.h : video parser blocks management
*****************************************************************************
* Copyright (C) 1999, 2000 VideoLAN
* $Id: vpar_synchro.h,v 1.2 2000/12/26 19:14:47 massiot Exp $
* $Id: vpar_synchro.h,v 1.3 2000/12/27 18:09:02 massiot Exp $
*
* Author: Christophe Massiot <massiot@via.ecp.fr>
*
......@@ -66,7 +66,7 @@ typedef struct video_synchro_s
mtime_t backward_pts, current_pts;
#ifdef STATS
unsigned int i_trashed_pic, i_pic;
unsigned int i_trashed_pic, i_not_chosen_pic, i_pic;
#endif
} video_synchro_t;
......@@ -94,3 +94,4 @@ void vpar_SynchroDecode ( struct vpar_thread_s * p_vpar,
int i_coding_type, int i_structure );
void vpar_SynchroEnd ( struct vpar_thread_s * p_vpar, int i_garbage );
mtime_t vpar_SynchroDate ( struct vpar_thread_s * p_vpar );
void vpar_SynchroNewPicture( struct vpar_thread_s * p_vpar, int i_coding_type );
src/video_parser/vpar_headers.c
View file @ a8bca726
......@@ -2,7 +2,7 @@
* vpar_headers.c : headers parsing
*****************************************************************************
* Copyright (C) 1999, 2000 VideoLAN
* $Id: vpar_headers.c,v 1.62 2000/12/22 13:04:45 sam Exp $
* $Id: vpar_headers.c,v 1.63 2000/12/27 18:09:02 massiot Exp $
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
* Stphane Borel <stef@via.ecp.fr>
......@@ -573,7 +573,7 @@ static void PictureHeader( vpar_thread_t * p_vpar )
}
#ifdef STATS
p_vpar->pc_pictures[p_vpar->picture.i_coding_type]++;
p_vpar->pc_pictures[p_vpar->picture.i_coding_type]++;
#endif
if( p_vpar->picture.i_current_structure &&
......@@ -620,6 +620,9 @@ static void PictureHeader( vpar_thread_t * p_vpar )
}
else
{
/* Warn synchro we have a new picture (updates pictures index). */
vpar_SynchroNewPicture( p_vpar, p_vpar->picture.i_coding_type );
/* Does synchro say we have enough time to decode it ? */
b_parsable = vpar_SynchroChoose( p_vpar,
p_vpar->picture.i_coding_type, i_structure );
......@@ -643,12 +646,15 @@ static void PictureHeader( vpar_thread_t * p_vpar )
{
/* The frame is complete. */
p_vpar->picture.i_current_structure = i_structure;
vpar_SynchroNewPicture( p_vpar, p_vpar->picture.i_coding_type );
vpar_SynchroTrash( p_vpar, p_vpar->picture.i_coding_type, i_structure );
}
}
else
{
/* Warn Synchro we have trashed a picture. */
vpar_SynchroNewPicture( p_vpar, p_vpar->picture.i_coding_type );
vpar_SynchroTrash( p_vpar, p_vpar->picture.i_coding_type, i_structure );
}
p_vpar->picture.p_picture = NULL;
......
src/video_parser/vpar_synchro.c
View file @ a8bca726
......@@ -2,7 +2,7 @@
* vpar_synchro.c : frame dropping routines
*****************************************************************************
* Copyright (C) 1999, 2000 VideoLAN
* $Id: vpar_synchro.c,v 1.64 2000/12/26 19:14:47 massiot Exp $
* $Id: vpar_synchro.c,v 1.65 2000/12/27 18:09:02 massiot Exp $
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
* Samuel Hocevar <sam@via.ecp.fr>
......@@ -126,7 +126,6 @@
* Local prototypes
*/
static int SynchroType( void );
static void SynchroNewPicture( vpar_thread_t * p_vpar, int i_coding_type );
/* Error margins */
#define DELTA (int)(0.040*CLOCK_FREQ)
......@@ -235,10 +234,6 @@ boolean_t vpar_SynchroChoose( vpar_thread_t * p_vpar, int i_coding_type,
switch( i_coding_type )
{
case I_CODING_TYPE:
/* Stream structure changes */
if( S.i_eta_p )
S.i_n_p = S.i_eta_p;
if( S.backward_pts )
{
pts = S.backward_pts;
......@@ -267,19 +262,13 @@ boolean_t vpar_SynchroChoose( vpar_thread_t * p_vpar, int i_coding_type,
break;
case P_CODING_TYPE:
/* Stream structure changes */
if( S.i_eta_b )
S.i_n_b = S.i_eta_b;
if( S.i_eta_p + 1 > S.i_n_p )
S.i_n_p = S.i_eta_p + 1;
if( S.backward_pts )
{
pts = S.backward_pts;
}
else
{
pts = S.current_pts + period * (S.i_n_b + 2);
pts = S.current_pts + period * (S.i_n_b + 1);
}
if( (1 + S.i_n_p * (S.i_n_b + 1)) * period >
......@@ -296,7 +285,7 @@ boolean_t vpar_SynchroChoose( vpar_thread_t * p_vpar, int i_coding_type,
/* next I */
b_decode &= (pts - now
+ period
* ( (S.i_n_p - S.i_eta_p - 1) * (1 + S.i_n_b) - 1 ))
* ( (S.i_n_p - S.i_eta_p) * (1 + S.i_n_b) - 1 ))
> (TAU_PRIME(P_CODING_TYPE)
+ TAU_PRIME(I_CODING_TYPE) + DELTA);
}
......@@ -308,22 +297,26 @@ boolean_t vpar_SynchroChoose( vpar_thread_t * p_vpar, int i_coding_type,
break;
case B_CODING_TYPE:
/* Stream structure changes */
if( S.i_eta_b + 1 > S.i_n_b )
S.i_n_b = S.i_eta_b + 1;
pts = S.current_pts + period;
pts = S.current_pts;
if( (S.i_n_b + 1) * period > S.p_tau[P_CODING_TYPE] )
{
b_decode = (pts - now) > (TAU_PRIME(B_CODING_TYPE) + DELTA);
/* Remember that S.i_eta_b is for the moment only eta_b - 1. */
b_decode &= (pts - now
+ period
* ( 2 * S.i_n_b - S.i_eta_b + 2))
> (TAU_PRIME(B_CODING_TYPE)
+ TAU_PRIME(P_CODING_TYPE) + DELTA);
if( period > S.p_tau[B_CODING_TYPE] )
{
/* Security in case we're _really_ late */
b_decode = (pts - now > 0);
}
else
{
b_decode = (pts - now) > (TAU_PRIME(B_CODING_TYPE) + DELTA);
/* next P or I */
b_decode &= (pts - now
+ period
* ( 2 * S.i_n_b - S.i_eta_b + 3))
> (TAU_PRIME(B_CODING_TYPE)
+ TAU_PRIME(P_CODING_TYPE) + DELTA);
}
}
else
{
......@@ -338,6 +331,12 @@ boolean_t vpar_SynchroChoose( vpar_thread_t * p_vpar, int i_coding_type,
(i_coding_type == P_CODING_TYPE ? "P" : "I"),
mstrtime(p_date, pts), b_decode ? "decoding" : "trashed",
S.p_tau[i_coding_type]);
#endif
#ifdef STATS
if( !b_decode )
{
S.i_not_chosen_pic++;
}
#endif
return( b_decode );
#undef S
......@@ -346,12 +345,11 @@ boolean_t vpar_SynchroChoose( vpar_thread_t * p_vpar, int i_coding_type,
}
/*****************************************************************************
* vpar_SynchroTrash : Update timers when we trash a picture
* vpar_SynchroTrash : Update counters when we trash a picture
*****************************************************************************/
void vpar_SynchroTrash( vpar_thread_t * p_vpar, int i_coding_type,
int i_structure )
{
SynchroNewPicture( p_vpar, i_coding_type );
#ifdef STATS
p_vpar->synchro.i_trashed_pic++;
#endif
......@@ -379,8 +377,6 @@ void vpar_SynchroDecode( vpar_thread_t * p_vpar, int i_coding_type,
intf_ErrMsg("vpar error: synchro fifo full, estimations will be biased");
}
vlc_mutex_unlock( &p_vpar->synchro.fifo_lock );
SynchroNewPicture( p_vpar, i_coding_type );
}
/*****************************************************************************
......@@ -429,96 +425,52 @@ mtime_t vpar_SynchroDate( vpar_thread_t * p_vpar )
}
/*****************************************************************************
* SynchroType: Get the user's synchro type
*****************************************************************************
* This function is called at initialization.
* vpar_SynchroNewPicture: Update stream structure and PTS
*****************************************************************************/
static int SynchroType( void )
{
char * psz_synchro = main_GetPszVariable( VPAR_SYNCHRO_VAR, NULL );
if( psz_synchro == NULL )
{
return VPAR_SYNCHRO_DEFAULT;
}
switch( *psz_synchro++ )
{
case 'i':
case 'I':
switch( *psz_synchro++ )
{
case '\0':
return VPAR_SYNCHRO_I;
case '+':
if( *psz_synchro ) return 0;
return VPAR_SYNCHRO_Iplus;
case 'p':
case 'P':
switch( *psz_synchro++ )
{
case '\0':
return VPAR_SYNCHRO_IP;
case '+':
if( *psz_synchro ) return 0;
return VPAR_SYNCHRO_IPplus;
case 'b':
case 'B':
if( *psz_synchro ) return 0;
return VPAR_SYNCHRO_IPB;
default:
return VPAR_SYNCHRO_DEFAULT;
}
default:
return VPAR_SYNCHRO_DEFAULT;
}
}
return VPAR_SYNCHRO_DEFAULT;
}
/*****************************************************************************
* SynchroNewPicture: Update stream structure and PTS
*****************************************************************************/
static void SynchroNewPicture( vpar_thread_t * p_vpar, int i_coding_type )
void vpar_SynchroNewPicture( vpar_thread_t * p_vpar, int i_coding_type )
{
/* FIXME: use decoder_fifo callback */
pes_packet_t * p_pes;
switch( i_coding_type )
{
case I_CODING_TYPE:
p_vpar->synchro.i_eta_p = p_vpar->synchro.i_eta_b = 0;
if( p_vpar->synchro.i_eta_p )
if( p_vpar->synchro.i_eta_p
&& p_vpar->synchro.i_eta_p != p_vpar->synchro.i_n_p )
{
intf_WarnMsg( 1, "Stream periodicity changed from P[%d] to P[%d]",
p_vpar->synchro.i_n_p, p_vpar->synchro.i_eta_p );
p_vpar->synchro.i_n_p = p_vpar->synchro.i_eta_p;
}
#ifdef STATS
if( p_vpar->synchro.i_type == VPAR_SYNCHRO_DEFAULT )
{
intf_Msg( "vpar synchro stats: I(%lld) P(%lld)[%d] B(%lld)[%d] YUV(%lld) : %d/%d",
intf_Msg( "vpar synchro stats: I(%lld) P(%lld)[%d] B(%lld)[%d] YUV(%lld) : trashed %d:%d/%d",
p_vpar->synchro.p_tau[I_CODING_TYPE],
p_vpar->synchro.p_tau[P_CODING_TYPE],
p_vpar->synchro.i_n_p,
p_vpar->synchro.p_tau[B_CODING_TYPE],
p_vpar->synchro.i_n_b,
p_vpar->p_vout->render_time,
p_vpar->synchro.i_pic -
p_vpar->synchro.i_trashed_pic,
p_vpar->synchro.i_not_chosen_pic,
p_vpar->synchro.i_trashed_pic -
p_vpar->synchro.i_not_chosen_pic,
p_vpar->synchro.i_pic );
p_vpar->synchro.i_trashed_pic = 0;
p_vpar->synchro.i_pic = 0;
p_vpar->synchro.i_trashed_pic = p_vpar->synchro.i_not_chosen_pic
= p_vpar->synchro.i_pic = 0;
}
#endif
break;
case P_CODING_TYPE:
p_vpar->synchro.i_eta_p++;
if( p_vpar->synchro.i_eta_b )
if( p_vpar->synchro.i_eta_b
&& p_vpar->synchro.i_eta_b != p_vpar->synchro.i_n_b )
{
intf_WarnMsg( 1, "Stream periodicity changed from B[%d] to B[%d]",
p_vpar->synchro.i_n_b, p_vpar->synchro.i_eta_b );
p_vpar->synchro.i_n_b = p_vpar->synchro.i_eta_b;
}
p_vpar->synchro.i_eta_b = 0;
break;
case B_CODING_TYPE:
......@@ -576,3 +528,60 @@ static void SynchroNewPicture( vpar_thread_t * p_vpar, int i_coding_type )
p_vpar->synchro.i_pic++;
#endif
}
/*****************************************************************************
* SynchroType: Get the user's synchro type
*****************************************************************************
* This function is called at initialization.
*****************************************************************************/
static int SynchroType( void )
{
char * psz_synchro = main_GetPszVariable( VPAR_SYNCHRO_VAR, NULL );
if( psz_synchro == NULL )
{
return VPAR_SYNCHRO_DEFAULT;
}
switch( *psz_synchro++ )
{
case 'i':
case 'I':
switch( *psz_synchro++ )
{
case '\0':
return VPAR_SYNCHRO_I;
case '+':
if( *psz_synchro ) return 0;
return VPAR_SYNCHRO_Iplus;
case 'p':
case 'P':
switch( *psz_synchro++ )
{
case '\0':
return VPAR_SYNCHRO_IP;
case '+':
if( *psz_synchro ) return 0;
return VPAR_SYNCHRO_IPplus;
case 'b':
case 'B':
if( *psz_synchro ) return 0;
return VPAR_SYNCHRO_IPB;
default:
return VPAR_SYNCHRO_DEFAULT;
}
default:
return VPAR_SYNCHRO_DEFAULT;
}
}
return VPAR_SYNCHRO_DEFAULT;
}
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