/* Clock configuration */
mtime_t i_pts_delay;
+ mtime_t i_pts_jitter;
int i_cr_average;
int i_rate;
p_sys->i_rate = i_rate;
p_sys->i_pts_delay = 0;
+ p_sys->i_pts_jitter = 0;
p_sys->i_cr_average = 0;
p_sys->b_buffering = true;
else if( b_late && ( !p_sys->p_input->p->p_sout ||
!p_sys->p_input->p->b_out_pace_control ) )
{
+ const mtime_t i_pts_delay_base = p_sys->i_pts_delay - p_sys->i_pts_jitter;
mtime_t i_pts_delay = input_clock_GetJitter( p_pgrm->p_clock );
/* Avoid dangerously high value */
- const mtime_t i_pts_delay_max = 30000000;
- if( i_pts_delay > i_pts_delay_max )
- i_pts_delay = __MAX( i_pts_delay_max, p_sys->i_pts_delay );
+ const mtime_t i_jitter_max = INT64_C(1000) * var_InheritInteger( p_sys->p_input, "clock-jitter" );
+ if( i_pts_delay > __MIN( i_pts_delay_base + i_jitter_max, INPUT_PTS_DELAY_MAX ) )
+ {
+ msg_Err( p_sys->p_input,
+ "ES_OUT_SET_(GROUP_)PCR is called too late (jitter of %d ms ingnored)",
+ (int)(i_pts_delay - i_pts_delay_base) / 1000 );
+ i_pts_delay = p_sys->i_pts_delay;
+ }
+ else
+ {
+ msg_Err( p_sys->p_input,
+ "ES_OUT_SET_(GROUP_)PCR is called too late (pts_delay increased to %d ms)",
+ (int)(i_pts_delay/1000) );
+ }
/* Force a rebufferization when we are too late */
- msg_Err( p_sys->p_input,
- "ES_OUT_SET_(GROUP_)PCR is called too late, increasing pts_delay to %d ms",
- (int)(i_pts_delay/1000) );
/* It is not really good, as we throw away already buffered data
* TODO have a mean to correctly reenter bufferization */
es_out_Control( out, ES_OUT_RESET_PCR );
- es_out_SetJitter( out, i_pts_delay, 0, p_sys->i_cr_average );
+ es_out_SetJitter( out, i_pts_delay_base, i_pts_delay - i_pts_delay_base, p_sys->i_cr_average );
}
}
return VLC_SUCCESS;
mtime_t i_pts_jitter = (mtime_t)va_arg( args, mtime_t );
int i_cr_average = (int)va_arg( args, int );
- if( i_pts_delay + i_pts_jitter == p_sys->i_pts_delay &&
- i_cr_average == p_sys->i_cr_average )
- return VLC_SUCCESS;
+ bool b_change_clock =
+ i_pts_delay + i_pts_jitter != p_sys->i_pts_delay ||
+ i_cr_average != p_sys->i_cr_average;
- p_sys->i_pts_delay = i_pts_delay + i_pts_jitter;
+ assert( i_pts_jitter >= 0 );
+ p_sys->i_pts_delay = i_pts_delay + i_pts_jitter;
+ p_sys->i_pts_jitter = i_pts_jitter;
p_sys->i_cr_average = i_cr_average;
- for( int i = 0; i < p_sys->i_pgrm; i++ )
+ for( int i = 0; i < p_sys->i_pgrm && b_change_clock; i++ )
input_clock_SetJitter( p_sys->pgrm[i]->p_clock,
i_pts_delay + i_pts_jitter, i_cr_average );
return VLC_SUCCESS;
"real-time sources. Use this if you experience jerky playback of " \
"network streams.")
+#define CLOCK_JITTER_TEXT N_("Clock jitter")
+#define CLOCK_JITTER_LONGTEXT N_( \
+ "It tells the clock algorithms what is the maximal input jitter that " \
+ "is considered valid and can be compensated (in milliseconds)" )
+
#define NETSYNC_TEXT N_("Network synchronisation" )
#define NETSYNC_LONGTEXT N_( "This allows you to remotely " \
"synchronise clocks for server and client. The detailed settings " \
add_integer( "clock-synchro", -1, NULL, CLOCK_SYNCHRO_TEXT,
CLOCK_SYNCHRO_LONGTEXT, true )
change_integer_list( pi_clock_values, ppsz_clock_descriptions, NULL )
+ add_integer( "clock-jitter", 5 * CLOCK_FREQ/1000, NULL, CLOCK_JITTER_TEXT,
+ CLOCK_JITTER_LONGTEXT, true )
+ change_safe()
add_bool( "network-synchronisation", false, NULL, NETSYNC_TEXT,
NETSYNC_LONGTEXT, true )