/*****************************************************************************
* vout_synchro.c : frame dropping routines
*****************************************************************************
- * Copyright (C) 1999-2001 VideoLAN
- * $Id: vout_synchro.c,v 1.4 2003/10/17 18:38:47 gbazin Exp $
+ * Copyright (C) 1999-2004 VideoLAN
+ * $Id$
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
* Samuel Hocevar <sam@via.ecp.fr>
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* ========================
* On fast machines, we decode all I's.
* Otherwise :
- * We can decode an I picture if we simply have enough time to decode it
+ * We can decode an I picture if we simply have enough time to decode it
* before displaying :
* t0 - t > tau´I + DELTA
*
#include <vlc/vlc.h>
#include <vlc/vout.h>
+#include <vlc/input.h>
#include "vout_synchro.h"
-#include "stream_control.h"
/*
* Local prototypes
* vout_SynchroInit : You know what ?
*****************************************************************************/
vout_synchro_t * __vout_SynchroInit( vlc_object_t * p_object,
- vout_thread_t * p_vout, int i_frame_rate )
+ int i_frame_rate )
{
vout_synchro_t * p_synchro = vlc_object_create( p_object,
sizeof(vout_synchro_t) );
p_synchro->current_pts = mdate() + DEFAULT_PTS_DELAY;
p_synchro->backward_pts = 0;
p_synchro->i_current_period = p_synchro->i_backward_period = 0;
- p_synchro->i_trashed_pic = p_synchro->i_not_chosen_pic =
+ p_synchro->i_trashed_pic = p_synchro->i_not_chosen_pic =
p_synchro->i_pic = 0;
p_synchro->i_frame_rate = i_frame_rate;
- p_synchro->p_vout = p_vout;
return p_synchro;
}
/*****************************************************************************
* vout_SynchroChoose : Decide whether we will decode a picture or not
*****************************************************************************/
-vlc_bool_t vout_SynchroChoose( vout_synchro_t * p_synchro, int i_coding_type )
+vlc_bool_t vout_SynchroChoose( vout_synchro_t * p_synchro, int i_coding_type,
+ int i_render_time )
{
#define TAU_PRIME( coding_type ) (p_synchro->p_tau[(coding_type)] \
+ (p_synchro->p_tau[(coding_type)] >> 1) \
- + tau_yuv)
+ + p_synchro->i_render_time)
#define S (*p_synchro)
/* VPAR_SYNCHRO_DEFAULT */
- mtime_t now, period, tau_yuv;
+ mtime_t now, period;
mtime_t pts = 0;
vlc_bool_t b_decode = 0;
now = mdate();
period = 1000000 * 1001 / p_synchro->i_frame_rate
- * p_synchro->i_current_rate / DEFAULT_RATE;
+ * p_synchro->i_current_rate / INPUT_RATE_DEFAULT;
- vlc_mutex_lock( &p_synchro->p_vout->change_lock );
- tau_yuv = p_synchro->p_vout->render_time;
- vlc_mutex_unlock( &p_synchro->p_vout->change_lock );
+ p_synchro->i_render_time = i_render_time;
switch( i_coding_type )
{
mtime_t next_dts, int i_current_rate )
{
mtime_t period = 1000000 * 1001 / p_synchro->i_frame_rate
- * i_current_rate / DEFAULT_RATE;
+ * i_current_rate / INPUT_RATE_DEFAULT;
#if 0
- mtime_t now = mdate();
+ mtime_t now = mdate();
#endif
p_synchro->i_current_rate = i_current_rate;
p_synchro->i_n_p,
p_synchro->p_tau[B_CODING_TYPE],
p_synchro->i_n_b,
- p_synchro->p_vout->render_time,
+ p_synchro->i_render_time,
p_synchro->i_not_chosen_pic,
p_synchro->i_trashed_pic -
p_synchro->i_not_chosen_pic,
p_synchro->current_pts += p_synchro->i_current_period
* (period >> 1);
-
+
#define PTS_THRESHOLD (period >> 2)
if( i_coding_type == B_CODING_TYPE )
{
if( p_synchro->backward_pts )
{
- if( next_dts &&
+ if( next_dts &&
(next_dts - p_synchro->backward_pts
> PTS_THRESHOLD
|| p_synchro->backward_pts - next_dts