Commit a066d5a9 authored by Christophe Massiot's avatar Christophe Massiot

* modules/access/fake.c: New --fake-duration option ; useful to do a

   slide-show.
parent 1b788606
......@@ -48,7 +48,10 @@ static void Close( vlc_object_t * );
#define ID_LONGTEXT N_( \
"Allows you to set the ID of the fake elementary stream for use in " \
"#duplicate{} constructs (default 0).")
#define DURATION_TEXT N_("Duration in ms")
#define DURATION_LONGTEXT N_( \
"Specifies the duration of the fake streaming before faking an " \
"end-of-file (default 0 means the stream is unlimited).")
vlc_module_begin();
set_shortname( _("Fake") );
......@@ -60,6 +63,8 @@ vlc_module_begin();
CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
add_float( "fake-fps", 25.0, NULL, FPS_TEXT, FPS_LONGTEXT, VLC_TRUE );
add_integer( "fake-id", 0, NULL, ID_TEXT, ID_LONGTEXT, VLC_TRUE );
add_integer( "fake-duration", 0, NULL, DURATION_TEXT, DURATION_LONGTEXT,
VLC_TRUE );
add_shortcut( "fake" );
set_capability( "access_demux", 0 );
......@@ -75,7 +80,7 @@ static int Control( demux_t *, int, va_list );
struct demux_sys_t
{
float f_fps;
mtime_t i_last_pts; /* only used when f_fps > 0 */
mtime_t i_last_pts, i_duration, i_first_pts, i_end_pts, i_pause_pts;
es_out_id_t *p_es_video;
};
......@@ -103,15 +108,18 @@ static int Open( vlc_object_t *p_this )
p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
memset( p_sys, 0, sizeof( demux_sys_t ) );
var_Create( p_demux, "fake-duration", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
var_Get( p_demux, "fake-duration", &val );
p_sys->i_duration = val.i_int * 1000;
var_Create( p_demux, "fake-fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
var_Get( p_demux, "fake-fps", &val );
p_sys->f_fps = val.f_float;
p_sys->i_last_pts = 0;
/* Declare elementary stream */
/* Declare the elementary stream */
es_format_Init( &fmt, VIDEO_ES, VLC_FOURCC('f','a','k','e') );
var_Create( p_demux, "fake-id", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
var_Get( p_demux, "fake-id", &val );
es_format_Init( &fmt, VIDEO_ES, VLC_FOURCC('f', 'a', 'k', 'e') );
fmt.i_id = val.i_int;
p_sys->p_es_video = es_out_Add( p_demux->out, &fmt );
......@@ -138,27 +146,78 @@ static void Close( vlc_object_t *p_this )
static int Control( demux_t *p_demux, int i_query, va_list args )
{
demux_sys_t *p_sys = p_demux->p_sys;
vlc_bool_t *pb;
int64_t *pi64;
vlc_bool_t *pb, b;
int64_t *pi64, i64;
double *pf, f;
switch( i_query )
{
/* Special for access_demux */
case DEMUX_CAN_PAUSE:
case DEMUX_SET_PAUSE_STATE:
case DEMUX_CAN_CONTROL_PACE:
pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
*pb = VLC_FALSE;
pb = (vlc_bool_t *)va_arg( args, vlc_bool_t * );
*pb = VLC_TRUE;
return VLC_SUCCESS;
case DEMUX_SET_PAUSE_STATE:
b = (vlc_bool_t)va_arg( args, vlc_bool_t );
if ( b )
{
p_sys->i_pause_pts = mdate();
}
else if ( p_sys->i_pause_pts )
{
mtime_t i_pause_duration = mdate() - p_sys->i_pause_pts;
p_sys->i_first_pts += i_pause_duration;
p_sys->i_last_pts += i_pause_duration;
if ( p_sys->i_duration )
p_sys->i_end_pts += i_pause_duration;
p_sys->i_pause_pts = 0;
}
return VLC_SUCCESS;
case DEMUX_GET_PTS_DELAY:
pi64 = (int64_t*)va_arg( args, int64_t * );
pi64 = (int64_t *)va_arg( args, int64_t * );
*pi64 = (int64_t)var_GetInteger( p_demux, "fake-caching" ) * 1000;
return VLC_SUCCESS;
case DEMUX_GET_POSITION:
pf = (double*)va_arg( args, double* );
if( p_sys->i_duration > 0 )
{
*pf = (double)( p_sys->i_last_pts - p_sys->i_first_pts )
/ (double)(p_sys->i_duration);
}
else
{
*pf = 0;
}
return VLC_SUCCESS;
case DEMUX_SET_POSITION:
f = (double)va_arg( args, double );
i64 = f * (double)p_sys->i_duration;
p_sys->i_first_pts = p_sys->i_last_pts - i64;
p_sys->i_end_pts = p_sys->i_first_pts + p_sys->i_duration;
return VLC_SUCCESS;
case DEMUX_GET_TIME:
pi64 = (int64_t *)va_arg( args, int64_t * );
if ( p_sys->i_duration )
*pi64 = p_sys->i_last_pts - p_sys->i_first_pts;
else
*pi64 = p_sys->i_last_pts;
return VLC_SUCCESS;
case DEMUX_GET_LENGTH:
pi64 = (int64_t*)va_arg( args, int64_t * );
*pi64 = p_sys->i_last_pts;
*pi64 = p_sys->i_duration;
return VLC_SUCCESS;
case DEMUX_SET_TIME:
i64 = (int64_t)va_arg( args, int64_t );
p_sys->i_first_pts = p_sys->i_last_pts - i64;
p_sys->i_end_pts = p_sys->i_first_pts + p_sys->i_duration;
return VLC_SUCCESS;
/* TODO implement others */
......@@ -179,11 +238,15 @@ static int Demux( demux_t *p_demux )
if ( !p_sys->i_last_pts )
{
p_sys->i_last_pts = mdate();
p_sys->i_last_pts = p_sys->i_first_pts = mdate();
if ( p_sys->i_duration )
p_sys->i_end_pts = p_sys->i_first_pts + p_sys->i_duration;
}
else
{
p_sys->i_last_pts += (mtime_t)(1000000.0 / p_sys->f_fps);
if ( p_sys->i_duration && p_sys->i_last_pts > p_sys->i_end_pts )
return 0;
mwait( p_sys->i_last_pts );
}
......
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