void initTimes()
{
if( demux_Control( p_demux->p_next, DEMUX_GET_TIME, &m_start_time ) != VLC_SUCCESS )
m_start_time = -1;
if( demux_Control( p_demux->p_next, DEMUX_GET_POSITION, &m_start_pos ) != VLC_SUCCESS )
m_start_pos = -1.0f;
m_last_time = m_start_time;
m_last_pos = m_start_pos;
}
static void* DStreamThread( void *obj )
{
stream_t *s = (stream_t *)obj;
stream_sys_t *p_sys = s->p_sys;
demux_t *p_demux;
/* Create the demuxer */
p_demux = demux_New( s, s->p_input, "", p_sys->psz_name, "", s, p_sys->out,
false );
if( p_demux == NULL )
return NULL;
/* stream_Demux cannot apply DVB filters.
* Get all programs and let the E/S output sort them out. */
demux_Control( p_demux, DEMUX_SET_GROUP, -1, NULL );
/* Main loop */
mtime_t next_update = 0;
while( atomic_load( &p_sys->active ) )
{
if( p_demux->info.i_update || mdate() >= next_update )
{
double newpos;
int64_t newlen, newtime;
if( demux_Control( p_demux, DEMUX_GET_POSITION, &newpos ) )
newpos = 0.;
if( demux_Control( p_demux, DEMUX_GET_LENGTH, &newlen ) )
newlen = 0;
if( demux_Control( p_demux, DEMUX_GET_TIME, &newtime ) )
newtime = 0;
vlc_mutex_lock( &p_sys->lock );
p_sys->stats.position = newpos;
p_sys->stats.length = newlen;
p_sys->stats.time = newtime;
vlc_mutex_unlock( &p_sys->lock );
p_demux->info.i_update = 0;
next_update = mdate() + (CLOCK_FREQ / 4);
}
if( demux_Demux( p_demux ) <= 0 )
break;
}
/* Explicit kludge: the stream is destroyed by the owner of the
* streamDemux, not here. */
p_demux->s = NULL;
demux_Delete( p_demux );
return NULL;
}
void seekBack( vlc_tick_t time, double pos )
{
es_out_Control( p_demux->p_next->out, ES_OUT_RESET_PCR );
if( m_can_seek )
{
int ret = VLC_EGENERIC;
if( time >= 0 )
ret = demux_Control( p_demux->p_next, DEMUX_SET_TIME, time, false );
if( ret != VLC_SUCCESS && pos >= 0 )
demux_Control( p_demux->p_next, DEMUX_SET_POSITION, pos, false );
}
}
/*****************************************************************************
* input_ControlVarStop:
*****************************************************************************/
void input_ControlVarStop( input_thread_t *p_input )
{
demux_t* p_demux = input_priv(p_input)->master->p_demux;
int i_cur_title;
if( !input_priv(p_input)->b_preparsing )
InputDelCallbacks( p_input, p_input_callbacks );
if( input_priv(p_input)->i_title > 1 )
InputDelCallbacks( p_input, p_input_title_navigation_callbacks );
for( int i = 0; i < input_priv(p_input)->i_title; i++ )
{
char name[sizeof("title ") + 3 * sizeof (int)];
sprintf( name, "title %2u", i );
var_DelCallback( p_input, name, NavigationCallback, (void *)(intptr_t)i );
}
if( !demux_Control( p_demux, DEMUX_GET_TITLE, &i_cur_title ) )
{
const input_title_t* t = input_priv(p_input)->title[ i_cur_title ];
if( t->i_seekpoint > 1 )
InputDelCallbacks( p_input, p_input_seekpoint_navigation_callbacks );
}
}
static void *vlc_demux_chained_Thread(void *data)
{
vlc_demux_chained_t *dc = data;
demux_t *demux = demux_New(VLC_OBJECT(dc->reader), dc->name, dc->reader,
dc->out);
if (demux == NULL)
{
vlc_stream_Delete(dc->reader);
return NULL;
}
/* Stream FIFO cannot apply DVB filters.
* Get all programs and let the E/S output sort them out. */
demux_Control(demux, DEMUX_SET_GROUP_ALL);
/* Main loop */
vlc_tick_t next_update = 0;
do
if (demux_TestAndClearFlags(demux, UINT_MAX) || vlc_tick_now() >= next_update)
{
double newpos;
vlc_tick_t newlen;
vlc_tick_t newtime;
if (demux_Control(demux, DEMUX_GET_POSITION, &newpos))
newpos = 0.;
if (demux_Control(demux, DEMUX_GET_LENGTH, &newlen))
newlen = 0;
if (demux_Control(demux, DEMUX_GET_TIME, &newtime))
newtime = 0;
vlc_mutex_lock(&dc->lock);
dc->stats.position = newpos;
dc->stats.length = newlen;
dc->stats.time = newtime;
vlc_mutex_unlock(&dc->lock);
next_update = vlc_tick_now() + VLC_TICK_FROM_MS(250);
}
while (demux_Demux(demux) > 0);
demux_Delete(demux);
return NULL;
}
int Control( demux_t *p_demux_filter, int i_query, va_list args )
{
if( !m_enabled && i_query != DEMUX_FILTER_ENABLE )
return demux_vaControl( p_demux_filter->p_next, i_query, args );
switch (i_query)
{
case DEMUX_GET_POSITION:
{
double pos = getPosition();
if( pos >= 0 )
{
*va_arg( args, double * ) = pos;
return VLC_SUCCESS;
}
return VLC_EGENERIC;
}
case DEMUX_GET_TIME:
{
vlc_tick_t time = getTime();
if( time >= 0 )
{
*va_arg(args, vlc_tick_t *) = time;
return VLC_SUCCESS;
}
return VLC_EGENERIC;
}
case DEMUX_GET_LENGTH:
{
int ret;
va_list ap;
va_copy( ap, args );
ret = demux_vaControl( p_demux_filter->p_next, i_query, args );
if( ret == VLC_SUCCESS )
m_length = *va_arg( ap, vlc_tick_t * );
va_end( ap );
return ret;
}
case DEMUX_CAN_SEEK:
{
int ret;
va_list ap;
va_copy( ap, args );
ret = demux_vaControl( p_demux_filter->p_next, i_query, args );
if( ret == VLC_SUCCESS )
m_can_seek = *va_arg( ap, bool* );
va_end( ap );
return ret;
}
case DEMUX_SET_POSITION:
{
double pos = va_arg( args, double );
/* Force unprecise seek */
int ret = demux_Control( p_demux->p_next, DEMUX_SET_POSITION, pos, false );
if( ret != VLC_SUCCESS )
return ret;
resetTimes();
resetDemuxEof();
return VLC_SUCCESS;
}
case DEMUX_SET_TIME:
{
vlc_tick_t time = va_arg( args, vlc_tick_t );
/* Force unprecise seek */
int ret = demux_Control( p_demux->p_next, DEMUX_SET_TIME, time, false );
if( ret != VLC_SUCCESS )
return ret;
resetTimes();
resetDemuxEof();
return VLC_SUCCESS;
}
case DEMUX_SET_PAUSE_STATE:
{
va_list ap;
va_copy( ap, args );
int paused = va_arg( ap, int );
va_end( ap );
setPauseState( paused != 0 );
break;
}
case DEMUX_SET_ES:
/* Seek back to the last known pos when changing tracks. This will
* flush sout streams, make sout del/add called right away and
* clear CC buffers. */
seekBack(m_last_time, m_last_pos);
resetTimes();
resetDemuxEof();
break;
case DEMUX_FILTER_ENABLE:
p_renderer = static_cast<chromecast_common *>(
var_InheritAddress( p_demux, CC_SHARED_VAR_NAME ) );
assert(p_renderer != NULL);
m_enabled = true;
init();
return VLC_SUCCESS;
case DEMUX_FILTER_DISABLE:
deinit();
/* Seek back to last known position. Indeed we don't want to resume
* from the input position that can be more than 1 minutes forward
* (depending on the CC buffering policy). */
seekBack(m_last_time, m_last_pos);
m_enabled = false;
p_renderer = NULL;
return VLC_SUCCESS;
}
return demux_vaControl( p_demux_filter->p_next, i_query, args );
}
/*****************************************************************************
* Control:
*****************************************************************************/
static int Control( demux_t *p_demux, int i_query, va_list args )
{
demux_sys_t *p_sys = p_demux->p_sys;
double f, *pf;
int64_t i64;
int i_ret;
switch( i_query )
{
case DEMUX_CAN_SEEK:
*va_arg( args, bool * ) = p_sys->b_seekable;
return VLC_SUCCESS;
case DEMUX_GET_TITLE:
*va_arg( args, int * ) = p_sys->current_title;
return VLC_SUCCESS;
case DEMUX_GET_SEEKPOINT:
*va_arg( args, int * ) = p_sys->current_seekpoint;
return VLC_SUCCESS;
case DEMUX_GET_POSITION:
pf = va_arg( args, double * );
i64 = stream_Size( p_demux->s ) - p_sys->i_start_byte;
if( i64 > 0 )
{
double current = vlc_stream_Tell( p_demux->s ) - p_sys->i_start_byte;
*pf = current / (double)i64;
}
else
{
*pf = 0.0;
}
return VLC_SUCCESS;
case DEMUX_SET_POSITION:
f = va_arg( args, double );
i64 = stream_Size( p_demux->s ) - p_sys->i_start_byte;
p_sys->i_current_pts = VLC_TICK_INVALID;
p_sys->i_scr = VLC_TICK_INVALID;
if( p_sys->format == CDXA_PS )
{
i64 = (int64_t)(i64 * f); /* Align to sector payload */
i64 = p_sys->i_start_byte + i64 - (i64 % CDXA_SECTOR_SIZE) + CDXA_SECTOR_HEADER_SIZE;
}
else
{
i64 = p_sys->i_start_byte + (int64_t)(i64 * f);
}
i_ret = vlc_stream_Seek( p_demux->s, i64 );
if( i_ret == VLC_SUCCESS )
{
NotifyDiscontinuity( p_sys->tk, p_demux->out );
return i_ret;
}
break;
case DEMUX_GET_TIME:
if( p_sys->i_time_track_index >= 0 && p_sys->i_current_pts != VLC_TICK_INVALID )
{
*va_arg( args, vlc_tick_t * ) = p_sys->i_current_pts - p_sys->tk[p_sys->i_time_track_index].i_first_pts;
return VLC_SUCCESS;
}
if( p_sys->i_first_scr != VLC_TICK_INVALID && p_sys->i_scr != VLC_TICK_INVALID )
{
vlc_tick_t i_time = p_sys->i_scr - p_sys->i_first_scr;
/* H.222 2.5.2.2 */
if( p_sys->i_mux_rate > 0 && p_sys->b_have_pack )
{
uint64_t i_offset = vlc_stream_Tell( p_demux->s ) - p_sys->i_lastpack_byte;
i_time += vlc_tick_from_samples(i_offset, p_sys->i_mux_rate * 50);
}
*va_arg( args, vlc_tick_t * ) = i_time;
return VLC_SUCCESS;
}
*va_arg( args, vlc_tick_t * ) = 0;
break;
case DEMUX_GET_LENGTH:
if( p_sys->i_length > VLC_TICK_0 )
{
*va_arg( args, vlc_tick_t * ) = p_sys->i_length;
return VLC_SUCCESS;
}
else if( p_sys->i_mux_rate > 0 )
{
*va_arg( args, vlc_tick_t * ) = vlc_tick_from_samples( stream_Size( p_demux->s ) - p_sys->i_start_byte / 50,
p_sys->i_mux_rate );
return VLC_SUCCESS;
}
*va_arg( args, vlc_tick_t * ) = 0;
break;
case DEMUX_SET_TIME:
{
if( p_sys->i_time_track_index >= 0 && p_sys->i_current_pts != VLC_TICK_INVALID &&
p_sys->i_length > VLC_TICK_0)
{
vlc_tick_t i_time = va_arg( args, vlc_tick_t );
i_time -= p_sys->tk[p_sys->i_time_track_index].i_first_pts;
return demux_Control( p_demux, DEMUX_SET_POSITION, (double) i_time / p_sys->i_length );
}
break;
}
case DEMUX_GET_TITLE_INFO:
{
struct input_title_t ***v = va_arg( args, struct input_title_t*** );
int *c = va_arg( args, int * );
*va_arg( args, int* ) = 0; /* Title offset */
*va_arg( args, int* ) = 0; /* Chapter offset */
return vlc_stream_Control( p_demux->s, STREAM_GET_TITLE_INFO, v,
c );
}
case DEMUX_SET_TITLE:
return vlc_stream_vaControl( p_demux->s, STREAM_SET_TITLE, args );
case DEMUX_SET_SEEKPOINT:
return vlc_stream_vaControl( p_demux->s, STREAM_SET_SEEKPOINT,
args );
case DEMUX_TEST_AND_CLEAR_FLAGS:
{
unsigned *restrict flags = va_arg(args, unsigned *);
*flags &= p_sys->updates;
p_sys->updates &= ~*flags;
return VLC_SUCCESS;
}
case DEMUX_GET_META:
return vlc_stream_vaControl( p_demux->s, STREAM_GET_META, args );
case DEMUX_GET_FPS:
break;
case DEMUX_CAN_PAUSE:
case DEMUX_SET_PAUSE_STATE:
case DEMUX_CAN_CONTROL_PACE:
case DEMUX_GET_PTS_DELAY:
return demux_vaControlHelper( p_demux->s, 0, -1, 0, 1, i_query, args );
default:
break;
}
return VLC_EGENERIC;
}