/*****************************************************************************
* Thread:
*****************************************************************************/
static void *Thread( void *p_thread_data )
{
goom_thread_t *p_thread = (goom_thread_t*)p_thread_data;
date_t i_pts;
int16_t p_data[2][512];
int i_data = 0, i_count = 0;
PluginInfo *p_plugin_info;
int canc = vlc_savecancel ();
p_plugin_info = goom_init( p_thread->i_width, p_thread->i_height );
for( ;; )
{
uint32_t *plane;
picture_t *p_pic;
/* FIXME the way the update is done is not really good.
* Supurious wake up from p_thread->wait will make it generates a frame
* without using new samples (probably rare as we should not be waiting
* samples).
* The frame rate at which the video is generated is not well controlled
* nor the time at which each frame is displayed (not smooth)
*/
/* goom_update is damn slow, so just copy data and release the lock */
vlc_mutex_lock( &p_thread->lock );
if( !p_thread->b_exit &&
FillBuffer( (int16_t *)p_data, &i_data,
&i_pts, &p_thread->date, p_thread ) != VLC_SUCCESS )
vlc_cond_wait( &p_thread->wait, &p_thread->lock );
bool b_exit = p_thread->b_exit;
vlc_mutex_unlock( &p_thread->lock );
if( b_exit )
break;
/* Speed selection */
if( p_thread->i_speed && (++i_count % (p_thread->i_speed+1)) ) continue;
/* Frame dropping if necessary */
if( date_Get( &i_pts ) + GOOM_DELAY <= mdate() ) continue;
plane = goom_update( p_plugin_info, p_data, 0, 0.0,
NULL, NULL );
p_pic = vout_GetPicture( p_thread->p_vout );
if( unlikely(p_pic == NULL) )
continue;
memcpy( p_pic->p[0].p_pixels, plane, p_thread->i_width * p_thread->i_height * 4 );
p_pic->date = date_Get( &i_pts ) + GOOM_DELAY;
vout_PutPicture( p_thread->p_vout, p_pic );
}
goom_close( p_plugin_info );
vlc_restorecancel (canc);
return NULL;
}
/*****************************************************************************
* DoWork: convert a buffer
*****************************************************************************
* Audio part pasted from trivial.c
****************************************************************************/
static block_t *DoWork( filter_t *p_filter, block_t *p_in_buf )
{
filter_sys_t *p_sys = p_filter->p_sys;
picture_t *p_outpic;
/* First, get a new picture */
while( ( p_outpic = vout_GetPicture( p_sys->p_vout ) ) == NULL)
{ /* XXX: This looks like a bad idea. Don't run to me for sympathy if it
* dead locks... */
if( !vlc_object_alive (p_sys->p_vout) )
return NULL;
msleep( VOUT_OUTMEM_SLEEP );
}
/* Blank the picture */
for( int i = 0 ; i < p_outpic->i_planes ; i++ )
{
memset( p_outpic->p[i].p_pixels, i > 0 ? 0x80 : 0x00,
p_outpic->p[i].i_visible_lines * p_outpic->p[i].i_pitch );
}
/* We can now call our visualization effects */
for( int i = 0; i < p_sys->i_effect; i++ )
{
#define p_effect p_sys->effect[i]
if( p_effect->pf_run )
{
p_effect->pf_run( p_effect, VLC_OBJECT(p_filter),
p_in_buf, p_outpic );
}
#undef p_effect
}
p_outpic->date = p_in_buf->i_pts + (p_in_buf->i_length / 2);
vout_PutPicture( p_sys->p_vout, p_outpic );
return p_in_buf;
}
/*****************************************************************************
* Thread:
*****************************************************************************/
static void* Thread( vlc_object_t *p_this )
{
goom_thread_t *p_thread = (goom_thread_t*)p_this;
int width, height, speed;
date_t i_pts;
int16_t p_data[2][512];
int i_data = 0, i_count = 0;
PluginInfo *p_plugin_info;
int canc = vlc_savecancel ();
width = var_GetInteger( p_this, "goom-width" );
height = var_GetInteger( p_this, "goom-height" );
speed = var_CreateGetInteger( p_thread, "goom-speed" );
speed = MAX_SPEED - speed;
if( speed < 0 ) speed = 0;
p_plugin_info = goom_init( width, height );
while( vlc_object_alive (p_thread) )
{
uint32_t *plane;
picture_t *p_pic;
/* goom_update is damn slow, so just copy data and release the lock */
vlc_mutex_lock( &p_thread->lock );
if( FillBuffer( (int16_t *)p_data, &i_data, &i_pts,
&p_thread->date, p_thread ) != VLC_SUCCESS )
vlc_cond_wait( &p_thread->wait, &p_thread->lock );
vlc_mutex_unlock( &p_thread->lock );
/* Speed selection */
if( speed && (++i_count % (speed+1)) ) continue;
/* Frame dropping if necessary */
if( date_Get( &i_pts ) + GOOM_DELAY <= mdate() ) continue;
plane = goom_update( p_plugin_info, p_data, 0, 0.0,
p_thread->psz_title, NULL );
free( p_thread->psz_title );
p_thread->psz_title = NULL;
while( !( p_pic = vout_GetPicture( p_thread->p_vout ) ) &&
vlc_object_alive (p_thread) )
{
msleep( VOUT_OUTMEM_SLEEP );
}
if( p_pic == NULL ) break;
memcpy( p_pic->p[0].p_pixels, plane, width * height * 4 );
p_pic->date = date_Get( &i_pts ) + GOOM_DELAY;
vout_PutPicture( p_thread->p_vout, p_pic );
}
goom_close( p_plugin_info );
vlc_restorecancel (canc);
return NULL;
}