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Commit 20821641 authored by Laurent Aimar's avatar Laurent Aimar
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Cosmetics (split MainLoop in smaller functions).

parent dcaafd94
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Showing with 169 additions and 131 deletions
src/input/input.c
View file @ 20821641
......@@ -553,116 +553,192 @@ exit:
/*****************************************************************************
* Main loop: Fill buffers from access, and demux
*****************************************************************************/
static void MainLoop( input_thread_t *p_input )
/**
* MainLoopDemux
* It asks the demuxer to demux some data
*/
static void MainLoopDemux( input_thread_t *p_input, bool *pb_changed, mtime_t *pi_start_mdate )
{
int64_t i_start_mdate = mdate();
int64_t i_intf_update = 0;
int i_updates = 0;
int i_ret;
/* Stop the timer */
stats_TimerStop( p_input, STATS_TIMER_INPUT_LAUNCHING );
*pb_changed = false;
while( !p_input->b_die && !p_input->b_error && !p_input->p->input.b_eof )
if( ( p_input->p->i_stop > 0 && p_input->i_time >= p_input->p->i_stop ) ||
( p_input->p->i_run > 0 && *pi_start_mdate+p_input->p->i_run < mdate() ) )
i_ret = 0; /* EOF */
else
i_ret = p_input->p->input.p_demux->pf_demux(p_input->p->input.p_demux);
if( i_ret > 0 )
{
bool b_force_update = false;
int i_ret;
int i_type;
vlc_value_t val;
/* TODO */
if( p_input->p->input.b_title_demux &&
p_input->p->input.p_demux->info.i_update )
{
i_ret = UpdateFromDemux( p_input );
*pb_changed = true;
}
else if( !p_input->p->input.b_title_demux &&
p_input->p->input.p_access &&
p_input->p->input.p_access->info.i_update )
{
i_ret = UpdateFromAccess( p_input );
*pb_changed = true;
}
}
/* Do the read */
if( p_input->i_state != PAUSE_S )
if( i_ret == 0 ) /* EOF */
{
vlc_value_t repeat;
var_Get( p_input, "input-repeat", &repeat );
if( repeat.i_int == 0 )
{
if( ( p_input->p->i_stop > 0 && p_input->i_time >= p_input->p->i_stop ) ||
( p_input->p->i_run > 0 && i_start_mdate+p_input->p->i_run < mdate() ) )
i_ret = 0; /* EOF */
else
i_ret = p_input->p->input.p_demux->pf_demux(p_input->p->input.p_demux);
/* End of file - we do not set b_die because only the
* playlist is allowed to do so. */
msg_Dbg( p_input, "EOF reached" );
p_input->p->input.b_eof = true;
}
else
{
vlc_value_t val;
if( i_ret > 0 )
msg_Dbg( p_input, "repeating the same input (%d)",
repeat.i_int );
if( repeat.i_int > 0 )
{
/* TODO */
if( p_input->p->input.b_title_demux &&
p_input->p->input.p_demux->info.i_update )
{
i_ret = UpdateFromDemux( p_input );
b_force_update = true;
}
else if( !p_input->p->input.b_title_demux &&
p_input->p->input.p_access &&
p_input->p->input.p_access->info.i_update )
{
i_ret = UpdateFromAccess( p_input );
b_force_update = true;
}
repeat.i_int--;
var_Set( p_input, "input-repeat", repeat );
}
if( i_ret == 0 ) /* EOF */
{
vlc_value_t repeat;
var_Get( p_input, "input-repeat", &repeat );
if( repeat.i_int == 0 )
{
/* End of file - we do not set b_die because only the
* playlist is allowed to do so. */
msg_Dbg( p_input, "EOF reached" );
p_input->p->input.b_eof = true;
}
else
{
msg_Dbg( p_input, "repeating the same input (%d)",
repeat.i_int );
if( repeat.i_int > 0 )
{
repeat.i_int--;
var_Set( p_input, "input-repeat", repeat );
}
/* Seek to start title/seekpoint */
val.i_int = p_input->p->input.i_title_start -
p_input->p->input.i_title_offset;
if( val.i_int < 0 || val.i_int >= p_input->p->input.i_title )
val.i_int = 0;
input_ControlPush( p_input,
INPUT_CONTROL_SET_TITLE, &val );
/* Seek to start title/seekpoint */
val.i_int = p_input->p->input.i_title_start -
p_input->p->input.i_title_offset;
if( val.i_int < 0 || val.i_int >= p_input->p->input.i_title )
val.i_int = 0;
input_ControlPush( p_input,
INPUT_CONTROL_SET_TITLE, &val );
val.i_int = p_input->p->input.i_seekpoint_start -
p_input->p->input.i_seekpoint_offset;
if( val.i_int > 0 /* TODO: check upper boundary */ )
input_ControlPush( p_input,
INPUT_CONTROL_SET_SEEKPOINT, &val );
/* Seek to start position */
if( p_input->p->i_start > 0 )
{
val.i_time = p_input->p->i_start;
input_ControlPush( p_input, INPUT_CONTROL_SET_TIME,
&val );
}
else
{
val.f_float = 0.0;
input_ControlPush( p_input, INPUT_CONTROL_SET_POSITION,
&val );
}
val.i_int = p_input->p->input.i_seekpoint_start -
p_input->p->input.i_seekpoint_offset;
if( val.i_int > 0 /* TODO: check upper boundary */ )
input_ControlPush( p_input,
INPUT_CONTROL_SET_SEEKPOINT, &val );
/* */
i_start_mdate = mdate();
}
}
else if( i_ret < 0 )
/* Seek to start position */
if( p_input->p->i_start > 0 )
{
input_ChangeState( p_input, ERROR_S );
val.i_time = p_input->p->i_start;
input_ControlPush( p_input, INPUT_CONTROL_SET_TIME,
&val );
}
if( i_ret > 0 && p_input->p->i_slave > 0 )
else
{
SlaveDemux( p_input );
val.f_float = 0.0;
input_ControlPush( p_input, INPUT_CONTROL_SET_POSITION,
&val );
}
/* */
*pi_start_mdate = mdate();
}
}
else if( i_ret < 0 )
{
input_ChangeState( p_input, ERROR_S );
}
if( i_ret > 0 && p_input->p->i_slave > 0 )
{
SlaveDemux( p_input );
}
}
/**
* MainLoopInterface
* It update the variables used by the interfaces
*/
static void MainLoopInterface( input_thread_t *p_input )
{
vlc_value_t val;
double f_pos;
int64_t i_time, i_length;
/* update input status variables */
if( !demux_Control( p_input->p->input.p_demux,
DEMUX_GET_POSITION, &f_pos ) )
{
val.f_float = (float)f_pos;
var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
}
if( !demux_Control( p_input->p->input.p_demux,
DEMUX_GET_TIME, &i_time ) )
{
p_input->i_time = i_time;
val.i_time = i_time;
var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
}
if( !demux_Control( p_input->p->input.p_demux,
DEMUX_GET_LENGTH, &i_length ) )
{
vlc_value_t old_val;
var_Get( p_input, "length", &old_val );
val.i_time = i_length;
var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
if( old_val.i_time != val.i_time )
{
UpdateItemLength( p_input, i_length );
}
}
var_SetBool( p_input, "intf-change", true );
}
/**
* MainLoopStatistic
* It updates the globals statics
*/
static void MainLoopStatistic( input_thread_t *p_input )
{
stats_ComputeInputStats( p_input, p_input->p->input.p_item->p_stats );
/* Are we the thread responsible for computing global stats ? */
if( libvlc_priv( p_input->p_libvlc )->p_stats_computer == p_input )
{
stats_ComputeGlobalStats( p_input->p_libvlc,
p_input->p_libvlc->p_stats );
}
}
/**
* MainLoop
* The main input loop.
*/
static void MainLoop( input_thread_t *p_input )
{
mtime_t i_start_mdate = mdate();
int64_t i_intf_update = 0;
int i_updates = 0;
/* Start the timer */
stats_TimerStop( p_input, STATS_TIMER_INPUT_LAUNCHING );
while( !p_input->b_die && !p_input->b_error && !p_input->p->input.b_eof )
{
bool b_force_update;
int i_type;
vlc_value_t val;
/* Do the read */
if( p_input->i_state != PAUSE_S )
{
MainLoopDemux( p_input, &b_force_update, &i_start_mdate );
}
else
{
/* Small wait */
b_force_update = false;
msleep( 10*1000 );
}
......@@ -679,51 +755,13 @@ static void MainLoop( input_thread_t *p_input )
if( b_force_update || i_intf_update < mdate() )
{
vlc_value_t val;
double f_pos;
int64_t i_time, i_length;
/* update input status variables */
if( !demux_Control( p_input->p->input.p_demux,
DEMUX_GET_POSITION, &f_pos ) )
{
val.f_float = (float)f_pos;
var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
}
if( !demux_Control( p_input->p->input.p_demux,
DEMUX_GET_TIME, &i_time ) )
{
p_input->i_time = i_time;
val.i_time = i_time;
var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
}
if( !demux_Control( p_input->p->input.p_demux,
DEMUX_GET_LENGTH, &i_length ) )
{
vlc_value_t old_val;
var_Get( p_input, "length", &old_val );
val.i_time = i_length;
var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
if( old_val.i_time != val.i_time )
{
UpdateItemLength( p_input, i_length );
}
}
var_SetBool( p_input, "intf-change", true );
MainLoopInterface( p_input );
i_intf_update = mdate() + INT64_C(150000);
}
/* 150ms * 8 = ~ 1 second */
if( ++i_updates % 8 == 0 )
{
stats_ComputeInputStats( p_input, p_input->p->input.p_item->p_stats );
/* Are we the thread responsible for computing global stats ? */
if( libvlc_priv( p_input->p_libvlc )->p_stats_computer == p_input )
{
stats_ComputeGlobalStats( p_input->p_libvlc,
p_input->p_libvlc->p_stats );
}
}
MainLoopStatistic( p_input );
}
if( !p_input->b_eof && !p_input->b_error && p_input->p->input.b_eof )
......
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