/*****************************************************************************
* engine.c : Run the playlist and handle its control
*****************************************************************************
- * Copyright (C) 1999-2008 the VideoLAN team
+ * Copyright (C) 1999-2008 VLC authors and VideoLAN
*
* Authors: Samuel Hocevar <sam@zoy.org>
* Clément Stenac <zorglub@videolan.org>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
#include <vlc_interface.h>
#include "playlist_internal.h"
#include "stream_output/stream_output.h" /* sout_DeleteInstance */
+#include <math.h> /* for fabs() */
/*****************************************************************************
* Local prototypes
return VLC_SUCCESS;
}
+static int RateCallback( vlc_object_t *p_this, char const *psz_cmd,
+ vlc_value_t oldval, vlc_value_t newval, void *p )
+{
+ (void)psz_cmd; (void)oldval;(void)p;
+ playlist_t *p_playlist = (playlist_t*)p_this;
+
+ PL_LOCK;
+
+ if( pl_priv(p_playlist)->p_input == NULL )
+ {
+ PL_UNLOCK;
+ return VLC_SUCCESS;
+ }
+
+ var_SetFloat( pl_priv( p_playlist )->p_input, "rate", newval.f_float );
+ PL_UNLOCK;
+ return VLC_SUCCESS;
+}
+
+static int RateOffsetCallback( vlc_object_t *obj, char const *psz_cmd,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+ playlist_t *p_playlist = (playlist_t *)obj;
+ VLC_UNUSED(oldval); VLC_UNUSED(p_data); VLC_UNUSED(newval);
+
+ static const float pf_rate[] = {
+ 1.0/64, 1.0/32, 1.0/16, 1.0/8, 1.0/4, 1.0/3, 1.0/2, 2.0/3,
+ 1.0/1,
+ 3.0/2, 2.0/1, 3.0/1, 4.0/1, 8.0/1, 16.0/1, 32.0/1, 64.0/1,
+ };
+ const size_t i_rate_count = sizeof(pf_rate)/sizeof(*pf_rate);
+
+ float f_rate;
+ struct input_thread_t *input;
+
+ PL_LOCK;
+ input = pl_priv( p_playlist )->p_input;
+ f_rate = var_GetFloat( input ? (vlc_object_t *)input : obj, "rate" );
+ PL_UNLOCK;
+
+ if( !strcmp( psz_cmd, "rate-faster" ) )
+ {
+ /* compensate for input rounding errors */
+ float r = f_rate * 1.1;
+ for( size_t i = 0; i < i_rate_count; i++ )
+ if( r < pf_rate[i] )
+ {
+ f_rate = pf_rate[i];
+ break;
+ }
+ }
+ else
+ {
+ /* compensate for input rounding errors */
+ float r = f_rate * .9;
+ for( size_t i = 1; i < i_rate_count; i++ )
+ if( r <= pf_rate[i] )
+ {
+ f_rate = pf_rate[i - 1];
+ break;
+ }
+ }
+
+ var_SetFloat( p_playlist, "rate", f_rate );
+ return VLC_SUCCESS;
+}
+
+static int VideoSplitterCallback( vlc_object_t *p_this, char const *psz_cmd,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+ playlist_t *p_playlist = (playlist_t*)p_this;
+ VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data); VLC_UNUSED(newval);
+
+ PL_LOCK;
+
+ /* Force the input to restart the video ES to force a vout recreation */
+ input_thread_t *p_input = pl_priv( p_playlist )->p_input;
+ if( p_input )
+ {
+ const double f_position = var_GetFloat( p_input, "position" );
+ input_Control( p_input, INPUT_RESTART_ES, -VIDEO_ES );
+ var_SetFloat( p_input, "position", f_position );
+ }
+
+ PL_UNLOCK;
+ return VLC_SUCCESS;
+}
+
/**
* Create playlist
*
*/
playlist_t * playlist_Create( vlc_object_t *p_parent )
{
- static const char playlist_name[] = "playlist";
playlist_t *p_playlist;
playlist_private_t *p;
/* Allocate structure */
- p = vlc_custom_create( p_parent, sizeof( *p ),
- VLC_OBJECT_GENERIC, playlist_name );
+ p = vlc_custom_create( p_parent, sizeof( *p ), "playlist" );
if( !p )
return NULL;
assert( offsetof( playlist_private_t, public_data ) == 0 );
p_playlist = &p->public_data;
- vlc_object_attach( p_playlist, p_parent );
TAB_INIT( pl_priv(p_playlist)->i_sds, pl_priv(p_playlist)->pp_sds );
libvlc_priv(p_parent->p_libvlc)->p_playlist = p_playlist;
var_SetBool( p_playlist, "intf-change", true );
var_Create( p_playlist, "item-change", VLC_VAR_ADDRESS );
- var_Create( p_playlist, "leaf-to-parent", VLC_VAR_ADDRESS );
+ var_Create( p_playlist, "leaf-to-parent", VLC_VAR_INTEGER );
var_Create( p_playlist, "playlist-item-deleted", VLC_VAR_INTEGER );
var_SetInteger( p_playlist, "playlist-item-deleted", -1 );
var_SetInteger( p_playlist, "activity", 0 );
/* Variables to control playback */
+ var_Create( p_playlist, "playlist-autostart", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
var_Create( p_playlist, "play-and-stop", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
var_Create( p_playlist, "play-and-exit", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
var_Create( p_playlist, "random", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
var_Create( p_playlist, "repeat", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
var_Create( p_playlist, "loop", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
+ var_Create( p_playlist, "rate", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
+ var_Create( p_playlist, "rate-slower", VLC_VAR_VOID );
+ var_Create( p_playlist, "rate-faster", VLC_VAR_VOID );
+ var_AddCallback( p_playlist, "rate", RateCallback, NULL );
+ var_AddCallback( p_playlist, "rate-slower", RateOffsetCallback, NULL );
+ var_AddCallback( p_playlist, "rate-faster", RateOffsetCallback, NULL );
+
+ var_Create( p_playlist, "video-splitter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
+ var_AddCallback( p_playlist, "video-splitter", VideoSplitterCallback, NULL );
+
var_AddCallback( p_playlist, "random", RandomCallback, NULL );
/* */
/* Variables to preserve video output parameters */
var_Create( p_playlist, "fullscreen", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
+ var_Create( p_playlist, "video-on-top", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
/* Audio output parameters */
- var_Create( p_playlist, "volume-muted", VLC_VAR_BOOL );
- var_Create( p_playlist, "saved-volume", VLC_VAR_INTEGER );
- var_Create( p_playlist, "volume-change", VLC_VAR_VOID );
+ var_Create( p_playlist, "mute", VLC_VAR_BOOL );
+ var_Create( p_playlist, "volume", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
/* FIXME: horrible hack for audio output interface code */
var_Create( p_playlist, "find-input-callback", VLC_VAR_ADDRESS );
var_SetAddress( p_playlist, "find-input-callback", playlist_FindInput );