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Merge mediacontrol to trunk

This commit is contained in:
Clément Stenac 2005-06-01 21:58:13 +00:00
parent c0156dd0c5
commit 9160790e0c
9 changed files with 1435 additions and 3 deletions
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4
Makefile.am
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@ -60,6 +60,7 @@ dist_pkginclude_HEADERS = \
include/vlc/decoder.h \
include/vlc/input.h \
include/vlc/intf.h \
include/vlc/control.h \
$(NULL)
noinst_HEADERS = $(HEADERS_include) $(HEADERS_include_built)
@ -412,6 +413,9 @@ SOURCES_libvlc_common = \
src/misc/vlm.c \
src/misc/xml.c \
src/extras/libc.c \
src/control/core.c \
src/control/util.c \
src/control/audio_video.c \
$(NULL)
SOURCES_libvlc = \

211
include/vlc/control.h Normal file
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@ -0,0 +1,211 @@
/*****************************************************************************
* control.h: global header for mediacontrol
*****************************************************************************
* Copyright (C) 2005 VideoLAN
* $Id: vlc.h 10101 2005-03-02 16:47:31Z robux4 $
*
* Authors: Olivier Aubert <olivier.aubert@liris.univ-lyon1.fr>
*
* 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
* (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.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
#ifndef _VLC_CONTROL_H
#define _VLC_CONTROL_H 1
# ifdef __cplusplus
extern "C" {
# endif
#include <vlc/vlc.h>
#if defined( WIN32 )
#define WINDOWHANDLE HWND
#else
#define WINDOWHANDLE int
#endif
typedef int bool;
/************************************************************************
* Position Object Manipulation
*************************************************************************/
typedef enum {
mediacontrol_AbsolutePosition,
mediacontrol_RelativePosition,
mediacontrol_ModuloPosition
} mediacontrol_PositionOrigin;
typedef enum {
mediacontrol_ByteCount,
mediacontrol_SampleCount,
mediacontrol_MediaTime
} mediacontrol_PositionKey;
typedef struct {
mediacontrol_PositionOrigin origin;
mediacontrol_PositionKey key;
long value;
} mediacontrol_Position;
typedef struct {
int width;
int height;
long type;
long long date;
int size;
char* data;
} mediacontrol_RGBPicture;
typedef struct {
int size;
char** data;
} mediacontrol_PlaylistSeq;
typedef struct {
int code;
char* message;
} mediacontrol_Exception;
/* Exception codes */
#define mediacontrol_PositionKeyNotSupported 1
#define mediacontrol_PositionOriginNotSupported 2
#define mediacontrol_InvalidPosition 3
#define mediacontrol_PlaylistException 4
#define mediacontrol_InternalException 5
typedef struct {
vlc_object_t *p_vlc;
playlist_t *p_playlist;
intf_thread_t *p_intf;
int vlc_object_id;
} mediacontrol_Instance;
/* Cf stream_control.h */
enum mediacontrol_PlayerStatusList
{
mediacontrol_PlayingStatus, mediacontrol_PauseStatus,
mediacontrol_ForwardStatus, mediacontrol_BackwardStatus,
mediacontrol_InitStatus, mediacontrol_EndStatus,
mediacontrol_UndefinedStatus
};
typedef enum mediacontrol_PlayerStatusList mediacontrol_PlayerStatus;
typedef struct {
mediacontrol_PlayerStatus streamstatus;
char* url; /* The URL of the current media stream */
long long position; /* actual location in the stream (in ms) */
long long length; /* total length of the stream (in ms) */
} mediacontrol_StreamInformation;
/**************************************************************************
* Helper functions
***************************************************************************/
long long mediacontrol_unit_convert (input_thread_t *p_input,
mediacontrol_PositionKey from,
mediacontrol_PositionKey to,
long long value);
long long
mediacontrol_position2microsecond (input_thread_t* p_input, const mediacontrol_Position * pos);
mediacontrol_RGBPicture* mediacontrol_RGBPicture__alloc (int datasize);
void mediacontrol_RGBPicture__free (mediacontrol_RGBPicture* pic);
mediacontrol_PlaylistSeq* mediacontrol_PlaylistSeq__alloc (int size);
void mediacontrol_PlaylistSeq__free (mediacontrol_PlaylistSeq* ps);
mediacontrol_Exception* mediacontrol_exception_init(mediacontrol_Exception *exception);
void mediacontrol_exception_free(mediacontrol_Exception *exception);
/*****************************************************************************
* Core functions
*****************************************************************************/
mediacontrol_Instance* mediacontrol_new(char** args, mediacontrol_Exception *exception);
mediacontrol_Instance* mediacontrol_new_from_object(vlc_object_t* p_object,
mediacontrol_Exception *exception);
mediacontrol_Position* mediacontrol_get_media_position(
mediacontrol_Instance *self,
mediacontrol_PositionOrigin an_origin,
mediacontrol_PositionKey a_key,
mediacontrol_Exception *exception);
void mediacontrol_set_media_position(mediacontrol_Instance *self,
const mediacontrol_Position* a_position,
mediacontrol_Exception *exception);
void mediacontrol_start( mediacontrol_Instance *self,
const mediacontrol_Position* a_position,
mediacontrol_Exception *exception);
void mediacontrol_pause(mediacontrol_Instance *self,
const mediacontrol_Position* a_position,
mediacontrol_Exception *exception);
void mediacontrol_resume(mediacontrol_Instance *self,
const mediacontrol_Position* a_position,
mediacontrol_Exception *exception);
void mediacontrol_stop(mediacontrol_Instance *self,
const mediacontrol_Position* a_position,
mediacontrol_Exception *exception);
void mediacontrol_exit(mediacontrol_Instance *self);
void mediacontrol_playlist_add_item (mediacontrol_Instance *self,
const char* psz_file,
mediacontrol_Exception *exception);
void mediacontrol_playlist_clear (mediacontrol_Instance *self,
mediacontrol_Exception *exception);
mediacontrol_PlaylistSeq* mediacontrol_playlist_get_list (
mediacontrol_Instance *self,
mediacontrol_Exception *exception);
/*****************************************************************************
* A/V functions
*****************************************************************************/
mediacontrol_RGBPicture* mediacontrol_snapshot (mediacontrol_Instance *self,
const mediacontrol_Position* a_position,
mediacontrol_Exception *exception);
/* Return a NULL terminated list */
mediacontrol_RGBPicture** mediacontrol_all_snapshots (mediacontrol_Instance *self,
mediacontrol_Exception *exception);
// Displays the message string, between "begin" and "end" positions
void mediacontrol_display_text (mediacontrol_Instance *self,
const char* message,
const mediacontrol_Position* begin,
const mediacontrol_Position* end,
mediacontrol_Exception *exception);
mediacontrol_StreamInformation*
mediacontrol_get_stream_information(mediacontrol_Instance* self,
mediacontrol_PositionKey a_key,
mediacontrol_Exception *exception);
unsigned short mediacontrol_sound_get_volume(mediacontrol_Instance* self,
mediacontrol_Exception *exception);
void mediacontrol_sound_set_volume(mediacontrol_Instance* self,
const unsigned short volume,
mediacontrol_Exception *exception);
bool mediacontrol_set_visual(mediacontrol_Instance* self,
WINDOWHANDLE visual_id,
mediacontrol_Exception *exception);
# ifdef __cplusplus
}
# endif
#endif

422
src/control/audio_video.c Normal file
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@ -0,0 +1,422 @@
/*****************************************************************************
* audio_video.c: Audio/Video management : volume, snapshot, OSD
*****************************************************************************
* Copyright (C) 2005 VideoLAN
* $Id: vlc.c 10786 2005-04-23 23:19:17Z zorglub $
*
* Authors: Olivier Aubert <olivier.aubert@liris.univ-lyon1.fr>
*
* 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
* (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.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
#include <vlc/control.h>
#include <vlc/intf.h>
#include <vlc/vout.h>
#include <vlc/aout.h>
#include <vlc_demux.h>
#include <osd.h>
#define HAS_SNAPSHOT 1
#ifdef HAS_SNAPSHOT
#include <snapshot.h>
#endif
#include <stdlib.h> /* malloc(), free() */
#include <string.h>
#include <errno.h> /* ENOMEM */
#include <stdio.h>
#include <ctype.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#include <sys/types.h>
#define RAISE( c, m ) exception->code = c; \
exception->message = strdup(m);
mediacontrol_RGBPicture *
mediacontrol_snapshot( mediacontrol_Instance *self,
const mediacontrol_Position * a_position,
mediacontrol_Exception *exception )
{
mediacontrol_RGBPicture *retval = NULL;
input_thread_t* p_input = self->p_playlist->p_input;
vout_thread_t *p_vout = NULL;
int i_datasize;
snapshot_t **pointer;
vlc_value_t val;
int i_index;
snapshot_t *p_best_snapshot;
long searched_date;
#ifdef HAS_SNAPSHOT
int i_cachesize;
#endif
exception=mediacontrol_exception_init( exception );
/*
if( var_Get( self->p_vlc, "snapshot-id", &val ) == VLC_SUCCESS )
p_vout = vlc_object_get( self->p_vlc, val.i_int );
*/
/* FIXME: if in p_libvlc, we cannot have multiple video outputs */
/* Once corrected, search for snapshot-id to modify all instances */
if( var_Get( p_input, "snapshot-id", &val ) != VLC_SUCCESS )
{
RAISE( mediacontrol_InternalException, "No snapshot-id in p_input" );
return NULL;
}
p_vout = vlc_object_get( self->p_vlc, val.i_int );
if( ! p_vout )
{
RAISE( mediacontrol_InternalException, "No snapshot module" );
return NULL;
}
#ifdef HAS_SNAPSHOT
/* We test if the vout is a snapshot module. We cannot test
pvout_psz_object_name( which is NULL ). But we can check if
there are snapshot-specific variables */
if( var_Get( p_vout, "snapshot-datasize", &val ) != VLC_SUCCESS )
{
RAISE( mediacontrol_InternalException, "No snapshot module" );
vlc_object_release( p_vout );
return NULL;
}
i_datasize = val.i_int;
/* Handle the a_position parameter */
if( ! ( a_position->origin == mediacontrol_RelativePosition
&& a_position->value == 0 ) )
{
/* The position is not the current one. Go to it. */
mediacontrol_set_media_position( self,
( mediacontrol_Position* ) a_position,
exception );
if( exception->code )
{
vlc_object_release( p_vout );
return NULL;
}
}
/* FIXME: We should not go further until we got past the position
( which means that we had the possibility to capture the right
picture ). */
vlc_mutex_lock( &p_vout->picture_lock );
searched_date = mediacontrol_position2microsecond( p_input,
( mediacontrol_Position * ) a_position );
var_Get( p_vout, "snapshot-cache-size", &val );
i_cachesize = val.i_int ;
var_Get( p_vout, "snapshot-list-pointer", &val );
pointer = ( snapshot_t ** )val.p_address;
if( ! pointer )
{
RAISE( mediacontrol_InternalException, "No available snapshot" );
vlc_mutex_unlock( &p_vout->picture_lock );
vlc_object_release( p_vout );
return NULL;
}
/* Find the more appropriate picture, based on date */
p_best_snapshot = pointer[0];
for( i_index = 1 ; i_index < i_cachesize ; i_index++ )
{
long l_diff = pointer[i_index]->date - searched_date;
if( l_diff > 0 && l_diff < abs( p_best_snapshot->date - searched_date ))
{
/* This one is closer, and _after_ the requested position */
p_best_snapshot = pointer[i_index];
}
}
/* FIXME: add a test for the case that no picture matched the test
( we have p_best_snapshot == pointer[0] */
retval = _mediacontrol_createRGBPicture( p_best_snapshot->i_width,
p_best_snapshot->i_height,
p_vout->output.i_chroma,
p_best_snapshot->date,
p_best_snapshot->p_data,
i_datasize );
vlc_mutex_unlock( &p_vout->picture_lock );
vlc_object_release( p_vout );
#endif
return retval;
}
mediacontrol_RGBPicture **
mediacontrol_all_snapshots( mediacontrol_Instance *self,
mediacontrol_Exception *exception )
{
mediacontrol_RGBPicture **retval = NULL;
vout_thread_t *p_vout = NULL;
int i_datasize;
int i_cachesize;
vlc_value_t val;
int i_index;
#ifdef HAS_SNAPSHOT
snapshot_t **pointer;
#endif
exception=mediacontrol_exception_init( exception );
if( var_Get( self->p_playlist->p_input, "snapshot-id", &val ) == VLC_SUCCESS )
p_vout = vlc_object_get( self->p_vlc, val.i_int );
if( ! p_vout )
{
RAISE( mediacontrol_InternalException, "No snapshot module" );
return NULL;
}
#ifdef HAS_SNAPSHOT
/* We test if the vout is a snapshot module. We cannot test
pvout_psz_object_name( which is NULL ). But we can check if
there are snapshot-specific variables */
if( var_Get( p_vout, "snapshot-datasize", &val ) != VLC_SUCCESS )
{
RAISE( mediacontrol_InternalException, "No snapshot module" );
vlc_object_release( p_vout );
return NULL;
}
i_datasize = val.i_int;
vlc_mutex_lock( &p_vout->picture_lock );
var_Get( p_vout, "snapshot-cache-size", &val );
i_cachesize = val.i_int ;
var_Get( p_vout, "snapshot-list-pointer", &val );
pointer = ( snapshot_t ** )val.p_address;
if( ! pointer )
{
RAISE( mediacontrol_InternalException, "No available picture" );
vlc_mutex_unlock( &p_vout->picture_lock );
vlc_object_release( p_vout );
return NULL;
}
retval = ( mediacontrol_RGBPicture** )malloc( (i_cachesize + 1 ) * sizeof( char* ));
for( i_index = 0 ; i_index < i_cachesize ; i_index++ )
{
snapshot_t *p_s = pointer[i_index];
mediacontrol_RGBPicture *p_rgb;
p_rgb = _mediacontrol_createRGBPicture( p_s->i_width,
p_s->i_height,
p_vout->output.i_chroma,
p_s->date,
p_s->p_data,
i_datasize );
retval[i_index] = p_rgb;
}
retval[i_cachesize] = NULL;
vlc_mutex_unlock( &p_vout->picture_lock );
vlc_object_release( p_vout );
#endif
return retval;
}
int mediacontrol_showtext( vout_thread_t *p_vout, int i_channel,
char *psz_string, text_style_t *p_style,
int i_flags, int i_hmargin, int i_vmargin,
mtime_t i_start, mtime_t i_stop )
{
subpicture_t *p_spu;
video_format_t fmt;
if( !psz_string ) return VLC_EGENERIC;
p_spu = spu_CreateSubpicture( p_vout->p_spu );
if( !p_spu ) return VLC_EGENERIC;
/* Create a new subpicture region */
memset( &fmt, 0, sizeof(video_format_t) );
fmt.i_chroma = VLC_FOURCC('T','E','X','T');
fmt.i_aspect = 0;
fmt.i_width = fmt.i_height = 0;
fmt.i_x_offset = fmt.i_y_offset = 0;
p_spu->p_region = p_spu->pf_create_region( VLC_OBJECT(p_vout), &fmt );
if( !p_spu->p_region )
{
msg_Err( p_vout, "cannot allocate SPU region" );
spu_DestroySubpicture( p_vout->p_spu, p_spu );
return VLC_EGENERIC;
}
p_spu->p_region->psz_text = strdup( psz_string );
p_spu->i_start = i_start;
p_spu->i_stop = i_stop;
p_spu->b_ephemer = VLC_FALSE;
p_spu->b_absolute = VLC_FALSE;
p_spu->i_x = i_hmargin;
p_spu->i_y = i_vmargin;
p_spu->i_flags = i_flags;
p_spu->i_channel = i_channel;
spu_DisplaySubpicture( p_vout->p_spu, p_spu );
return VLC_SUCCESS;
}
void
mediacontrol_display_text( mediacontrol_Instance *self,
const char * message,
const mediacontrol_Position * begin,
const mediacontrol_Position * end,
mediacontrol_Exception *exception )
{
input_thread_t *p_input = NULL;
vout_thread_t *p_vout = NULL;
char* psz_message;
psz_message = strdup( message );
if( !psz_message )
{
RAISE( mediacontrol_InternalException, "No more memory" );
return;
}
p_vout = vlc_object_find( self->p_playlist, VLC_OBJECT_VOUT, FIND_CHILD );
if( ! p_vout )
{
RAISE( mediacontrol_InternalException, "No video output" );
return;
}
if( begin->origin == mediacontrol_RelativePosition &&
begin->value == 0 &&
end->origin == mediacontrol_RelativePosition )
{
mtime_t i_duration = 0;
mtime_t i_now = mdate();
i_duration = 1000 * mediacontrol_unit_convert( self->p_playlist->p_input,
end->key,
mediacontrol_MediaTime,
end->value );
mediacontrol_showtext( p_vout, DEFAULT_CHAN, psz_message, NULL,
OSD_ALIGN_BOTTOM | OSD_ALIGN_LEFT, 0, 0,
i_now, i_now + i_duration );
}
else
{
mtime_t i_debut, i_fin, i_now;
p_input = self->p_playlist->p_input;
if( ! p_input )
{
RAISE( mediacontrol_InternalException, "No input" );
vlc_object_release( p_vout );
return;
}
/* FIXME */
/* i_now = input_ClockGetTS( p_input, NULL, 0 ); */
i_now = mdate();
i_debut = mediacontrol_position2microsecond( p_input,
( mediacontrol_Position* ) begin );
i_debut += i_now;
i_fin = mediacontrol_position2microsecond( p_input,
( mediacontrol_Position * ) end );
i_fin += i_now;
vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN, psz_message, NULL,
OSD_ALIGN_BOTTOM | OSD_ALIGN_LEFT, 0, 0,
i_debut, i_fin );
}
vlc_object_release( p_vout );
}
unsigned short
mediacontrol_sound_get_volume( mediacontrol_Instance *self,
mediacontrol_Exception *exception )
{
short retval;
audio_volume_t i_volume;
if( !self->p_intf )
{
RAISE( mediacontrol_InternalException, "No interface module" );
return 0;
}
aout_VolumeGet( self->p_intf, &i_volume );
retval = i_volume;
return retval;
}
void
mediacontrol_sound_set_volume( mediacontrol_Instance *self,
const unsigned short volume,
mediacontrol_Exception *exception )
{
if( !self->p_intf )
{
RAISE( mediacontrol_InternalException, "No interface module" );
return;
}
aout_VolumeSet( self->p_intf,( audio_volume_t )volume );
}
bool mediacontrol_set_visual(mediacontrol_Instance* self,
WINDOWHANDLE visual_id,
mediacontrol_Exception *exception)
{
vlc_value_t value;
int ret;
if( !self->p_vlc )
{
RAISE( mediacontrol_InternalException, "No vlc reference" );
return 0;
}
value.i_int=visual_id;
ret = var_Set(self->p_vlc, "drawable", value);
return (ret == VLC_SUCCESS);
}

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src/control/core.c Normal file
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/*****************************************************************************
* core.c: Core functions : init, playlist, stream management
*****************************************************************************
* Copyright (C) 2005 VideoLAN
* $Id: vlc.c 10786 2005-04-23 23:19:17Z zorglub $
*
* Authors: Olivier Aubert <olivier.aubert@liris.univ-lyon1.fr>
*
* 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
* (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.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
#include <vlc/control.h>
#include <vlc/intf.h>
#include <vlc/vout.h>
#include <vlc/aout.h>
#include <vlc_demux.h>
#include <osd.h>
#define HAS_SNAPSHOT 1
#ifdef HAS_SNAPSHOT
#include <snapshot.h>
#endif
#include <stdlib.h> /* malloc(), free() */
#include <string.h>
#include <errno.h> /* ENOMEM */
#include <stdio.h>
#include <ctype.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#include <sys/types.h>
#define RAISE( c, m ) exception->code = c; \
exception->message = strdup(m);
mediacontrol_Instance* mediacontrol_new_from_object( vlc_object_t* p_object,
mediacontrol_Exception *exception )
{
mediacontrol_Instance* retval;
vlc_object_t *p_vlc;
p_vlc = vlc_object_find( p_object, VLC_OBJECT_ROOT, FIND_PARENT );
if( ! p_vlc )
{
RAISE( mediacontrol_InternalException, "Unable to initialize VLC" );
return NULL;
}
retval = ( mediacontrol_Instance* )malloc( sizeof( mediacontrol_Instance ) );
retval->p_vlc = p_vlc;
retval->vlc_object_id = p_vlc->i_object_id;
/* We can keep references on these, which should not change. Is it true ? */
retval->p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
retval->p_intf = vlc_object_find( p_vlc, VLC_OBJECT_INTF, FIND_ANYWHERE );
if( ! retval->p_playlist || ! retval->p_intf )
{
RAISE( mediacontrol_InternalException, "No available interface" );
return NULL;
}
return retval;
};
/**************************************************************************
* Playback management
**************************************************************************/
mediacontrol_Position*
mediacontrol_get_media_position( mediacontrol_Instance *self,
const mediacontrol_PositionOrigin an_origin,
const mediacontrol_PositionKey a_key,
mediacontrol_Exception *exception )
{
mediacontrol_Position* retval;
vlc_value_t val;
input_thread_t * p_input = self->p_playlist->p_input;
exception = mediacontrol_exception_init( exception );
retval = ( mediacontrol_Position* )malloc( sizeof( mediacontrol_Position ) );
retval->origin = an_origin;
retval->key = a_key;
if( ! p_input )
{
/*
RAISE( mediacontrol_InternalException, "No input thread." );
return( NULL );
*/
retval->value = 0;
return retval;
}
if( an_origin == mediacontrol_RelativePosition
|| an_origin == mediacontrol_ModuloPosition )
{
/* Relative or ModuloPosition make no sense */
retval->value = 0;
return retval;
}
/* We are asked for an AbsolutePosition. */
val.i_time = 0;
var_Get( p_input, "time", &val );
/* FIXME: check val.i_time > 0 */
retval->value = mediacontrol_unit_convert( p_input,
mediacontrol_MediaTime,
a_key,
val.i_time / 1000 );
return retval;
}
/* Sets the media position */
void
mediacontrol_set_media_position( mediacontrol_Instance *self,
const mediacontrol_Position * a_position,
mediacontrol_Exception *exception )
{
vlc_value_t val;
input_thread_t * p_input = self->p_playlist->p_input;
exception=mediacontrol_exception_init( exception );
if( ! p_input )
{
RAISE( mediacontrol_InternalException, "No input thread." );
return;
}
if( !var_GetBool( p_input, "seekable" ) )
{
RAISE( mediacontrol_InvalidPosition, "Stream not seekable" );
return;
}
val.i_time = mediacontrol_position2microsecond( p_input, a_position );
var_Set( p_input, "time", val );
return;
}
/* Starts playing a stream */
void
mediacontrol_start( mediacontrol_Instance *self,
const mediacontrol_Position * a_position,
mediacontrol_Exception *exception )
{
playlist_t * p_playlist = self->p_playlist;
exception = mediacontrol_exception_init( exception );
if( ! p_playlist )
{
RAISE( mediacontrol_PlaylistException, "No available playlist" );
return;
}
vlc_mutex_lock( &p_playlist->object_lock );
if( p_playlist->i_size )
{
vlc_value_t val;
vlc_mutex_unlock( &p_playlist->object_lock );
/* Set start time */
val.i_int = mediacontrol_position2microsecond( p_playlist->p_input, a_position ) / 1000000;
var_Set( p_playlist, "start-time", val );
playlist_Play( p_playlist );
}
else
{
RAISE( mediacontrol_PlaylistException, "Empty playlist." );
vlc_mutex_unlock( &p_playlist->object_lock );
return;
}
return;
}
void
mediacontrol_pause( mediacontrol_Instance *self,
const mediacontrol_Position * a_position,
mediacontrol_Exception *exception )
{
input_thread_t *p_input = self->p_playlist->p_input;;
/* FIXME: use the a_position parameter */
exception=mediacontrol_exception_init( exception );
if( p_input != NULL )
{
var_SetInteger( p_input, "state", PAUSE_S );
}
else
{
RAISE( mediacontrol_InternalException, "No input" );
}
return;
}
void
mediacontrol_resume( mediacontrol_Instance *self,
const mediacontrol_Position * a_position,
mediacontrol_Exception *exception )
{
input_thread_t *p_input = self->p_playlist->p_input;
/* FIXME: use the a_position parameter */
exception=mediacontrol_exception_init( exception );
if( p_input != NULL )
{
var_SetInteger( p_input, "state", PAUSE_S );
}
else
{
RAISE( mediacontrol_InternalException, "No input" );
}
}
void
mediacontrol_stop( mediacontrol_Instance *self,
const mediacontrol_Position * a_position,
mediacontrol_Exception *exception )
{
/* FIXME: use the a_position parameter */
exception=mediacontrol_exception_init( exception );
if( !self->p_playlist )
{
RAISE( mediacontrol_PlaylistException, "No playlist" );
return;
}
playlist_Stop( self->p_playlist );
}
/**************************************************************************
* Playlist management
**************************************************************************/
void
mediacontrol_playlist_add_item( mediacontrol_Instance *self,
const char * psz_file,
mediacontrol_Exception *exception )
{
exception=mediacontrol_exception_init( exception );
if( !self->p_playlist )
{
RAISE( mediacontrol_InternalException, "No playlist" );
return;
}
playlist_Add( self->p_playlist, psz_file, psz_file , PLAYLIST_REPLACE, 0 );
}
void
mediacontrol_playlist_clear( mediacontrol_Instance *self,
mediacontrol_Exception *exception )
{
exception=mediacontrol_exception_init( exception );
if( !self->p_playlist )
{
RAISE( mediacontrol_PlaylistException, "No playlist" );
return;
}
playlist_Clear( self->p_playlist );
return;
}
mediacontrol_PlaylistSeq *
mediacontrol_playlist_get_list( mediacontrol_Instance *self,
mediacontrol_Exception *exception )
{
mediacontrol_PlaylistSeq *retval;
int i_index;
playlist_t * p_playlist = self->p_playlist;;
int i_playlist_size;
exception=mediacontrol_exception_init( exception );
if( !p_playlist )
{
RAISE( mediacontrol_PlaylistException, "No playlist" );
return NULL;
}
vlc_mutex_lock( &p_playlist->object_lock );
i_playlist_size = p_playlist->i_size;
retval = mediacontrol_PlaylistSeq__alloc( i_playlist_size );
for( i_index = 0 ; i_index < i_playlist_size ; i_index++ )
{
retval->data[i_index] = strdup( p_playlist->pp_items[i_index]->input.psz_uri );
}
vlc_mutex_unlock( &p_playlist->object_lock );
return retval;
}
/***************************************************************************
* Status feedback
***************************************************************************/
mediacontrol_StreamInformation *
mediacontrol_get_stream_information( mediacontrol_Instance *self,
mediacontrol_PositionKey a_key,
mediacontrol_Exception *exception )
{
mediacontrol_StreamInformation *retval;
input_thread_t *p_input = self->p_playlist->p_input;
vlc_value_t val;
retval = ( mediacontrol_StreamInformation* )malloc( sizeof( mediacontrol_StreamInformation ) );
if( ! retval )
{
RAISE( mediacontrol_InternalException, "Out of memory" );
return NULL;
}
if( ! p_input )
{
/* No p_input defined */
retval->streamstatus = mediacontrol_UndefinedStatus;
retval->url = strdup( "None" );
retval->position = 0;
retval->length = 0;
}
else
{
switch( var_GetInteger( p_input, "state" ) )
{
case PLAYING_S :
retval->streamstatus = mediacontrol_PlayingStatus;
break;
case PAUSE_S :
retval->streamstatus = mediacontrol_PauseStatus;
break;
case INIT_S :
retval->streamstatus = mediacontrol_InitStatus;
break;
case END_S :
retval->streamstatus = mediacontrol_EndStatus;
break;
default :
retval->streamstatus = mediacontrol_UndefinedStatus;
break;
}
retval->url = strdup( p_input->input.p_item->psz_uri );
/* TIME and LENGTH are in microseconds. We want them in ms */
var_Get( p_input, "time", &val);
retval->position = val.i_time / 1000;
var_Get( p_input, "length", &val);
retval->length = val.i_time / 1000;
retval->position = mediacontrol_unit_convert( p_input,
mediacontrol_MediaTime, a_key,
retval->position );
retval->length = mediacontrol_unit_convert( p_input,
mediacontrol_MediaTime, a_key,
retval->length );
}
return retval;
}

86
src/control/init.c Normal file
View File

@ -0,0 +1,86 @@
#define __VLC__
#include <vlc/control.h>
mediacontrol_Instance* mediacontrol_new( char** args, mediacontrol_Exception *exception )
{
mediacontrol_Instance* retval;
vlc_object_t *p_vlc;
int p_vlc_id;
char **ppsz_argv;
int i_count = 0;
int i_index;
char **p_tmp;
if( args )
{
for ( p_tmp = args ; *p_tmp != NULL ; p_tmp++ )
i_count++;
}
ppsz_argv = malloc( i_count + 2 );
if( ! ppsz_argv )
{
exception->code = mediacontrol_InternalException;
exception->message = "Out of memory";
return NULL;
}
ppsz_argv[0] = "vlc";
for ( i_index = 0; i_index < i_count; i_index++ )
{
ppsz_argv[i_index + 1] = strdup( args[i_index] );
if( ! ppsz_argv[i_index + 1] )
{
exception->code = mediacontrol_InternalException;
exception->message = "Out of memory";
return NULL;
}
}
ppsz_argv[i_count + 1] = NULL;
p_vlc_id = VLC_Create();
p_vlc = ( vlc_object_t* )vlc_current_object( p_vlc_id );
if( ! p_vlc )
{
exception->code = mediacontrol_InternalException;
exception->message = strdup( "Unable to initialize VLC" );
return NULL;
}
retval = ( mediacontrol_Instance* )malloc( sizeof( mediacontrol_Instance ) );
if( ! retval )
{
exception->code = mediacontrol_InternalException;
exception->message = strdup( "Out of memory" );
return NULL;
}
VLC_Init( p_vlc_id, i_count + 1, ppsz_argv );
retval->p_vlc = p_vlc;
retval->vlc_object_id = p_vlc_id;
/* We can keep references on these, which should not change. Is it true ? */
retval->p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
retval->p_intf = vlc_object_find( p_vlc, VLC_OBJECT_INTF, FIND_ANYWHERE );
if( ! retval->p_playlist || ! retval->p_intf )
{
exception->code = mediacontrol_InternalException;
exception->message = strdup( "No available interface" );
return NULL;
}
return retval;
};
void
mediacontrol_exit( mediacontrol_Instance *self )
{
/*
vlc_object_release( (vlc_object_t* )self->p_playlist );
vlc_object_release( (vlc_object_t* )self->p_intf );
*/
VLC_CleanUp( self->vlc_object_id );
VLC_Destroy( self->vlc_object_id );
}

26
src/control/plugin.c Normal file
View File

@ -0,0 +1,26 @@
#include "mediacontrol-core.h"
#include <vlc/intf.h>
mediacontrol_Instance* mediacontrol_new( char** args, mediacontrol_Exception *exception )
{
exception->code = mediacontrol_InternalException;
exception->message = strdup( "The mediacontrol extension was compiled for plugin use only." );
return NULL;
};
void
mediacontrol_exit( mediacontrol_Instance *self )
{
/*
vlc_object_release( self->p_playlist );
*/
vlc_mutex_lock( &self->p_intf->change_lock );
self->p_intf->b_die = 1;
vlc_mutex_unlock( &self->p_intf->change_lock );
/*
vlc_object_release( self->p_intf );
vlc_object_release( self->p_vlc );
*/
}

292
src/control/util.c Normal file
View File

@ -0,0 +1,292 @@
/*****************************************************************************
* util.c: Utility functions and exceptions management
*****************************************************************************
* Copyright (C) 2005 VideoLAN
* $Id: vlc.c 10786 2005-04-23 23:19:17Z zorglub $
*
* Authors: Olivier Aubert <olivier.aubert@liris.univ-lyon1.fr>
*
* 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
* (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.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
#include <vlc/control.h>
#include <vlc/intf.h>
#include <vlc/vout.h>
#include <vlc/aout.h>
#include <vlc_demux.h>
#include <osd.h>
#define HAS_SNAPSHOT 1
#ifdef HAS_SNAPSHOT
#include <snapshot.h>
#endif
#include <stdlib.h> /* malloc(), free() */
#include <string.h>
#include <errno.h> /* ENOMEM */
#include <stdio.h>
#include <ctype.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#include <sys/types.h>
#define RAISE( c, m ) exception->code = c; \
exception->message = strdup(m);
long long mediacontrol_unit_convert( input_thread_t *p_input,
mediacontrol_PositionKey from,
mediacontrol_PositionKey to,
long long value )
{
if( to == from )
return value;
/* For all conversions, we need data from p_input */
if( !p_input )
return 0;
switch( from )
{
case mediacontrol_MediaTime:
if( to == mediacontrol_ByteCount )
{
/* FIXME */
/* vlc < 0.8 API */
/* return value * 50 * p_input->stream.i_mux_rate / 1000; */
return 0;
}
if( to == mediacontrol_SampleCount )
{
double f_fps;
if( demux2_Control( p_input->input.p_demux, DEMUX_GET_FPS, &f_fps ) || f_fps < 0.1 )
return 0;
else
return( value * f_fps / 1000.0 );
}
/* Cannot happen */
/* See http://catb.org/~esr/jargon/html/entry/can't-happen.html */
break;
case mediacontrol_SampleCount:
{
double f_fps;
if( demux2_Control( p_input->input.p_demux, DEMUX_GET_FPS, &f_fps ) || f_fps < 0.1 )
return 0;
if( to == mediacontrol_ByteCount )
{
/* FIXME */
/* vlc < 0.8 API */
/* return ( long long )( value * 50 * p_input->stream.i_mux_rate / f_fps ); */
return 0;
}
if( to == mediacontrol_MediaTime )
return( long long )( value * 1000.0 / ( double )f_fps );
/* Cannot happen */
break;
}
case mediacontrol_ByteCount:
/* FIXME */
return 0;
/* vlc < 0.8 API: */
// if( p_input->stream.i_mux_rate == 0 )
// return 0;
//
// /* Convert an offset into milliseconds. Taken from input_ext-intf.c.
// The 50 hardcoded constant comes from the definition of i_mux_rate :
// i_mux_rate : the rate we read the stream (in units of 50 bytes/s) ;
// 0 if undef */
// if( to == mediacontrol_MediaTime )
// return ( long long )( 1000 * value / 50 / p_input->stream.i_mux_rate );
//
// if( to == mediacontrol_SampleCount )
// {
// double f_fps;
// if( demux2_Control( p_input->input.p_demux, DEMUX_GET_FPS, &f_fps ) || f_fps < 0.1 )
// return 0;
// else
// return ( long long )( value * f_fps / 50 / p_input->stream.i_mux_rate );
// }
/* Cannot happen */
break;
}
/* Cannot happen */
return 0;
}
/* Converts a mediacontrol_Position into a time in microseconds in
movie clock time */
long long
mediacontrol_position2microsecond( input_thread_t* p_input, const mediacontrol_Position * pos )
{
switch( pos->origin )
{
case mediacontrol_AbsolutePosition:
return ( 1000 * mediacontrol_unit_convert( p_input,
pos->key, /* from */
mediacontrol_MediaTime, /* to */
pos->value ) );
break;
case mediacontrol_RelativePosition:
{
long long l_pos;
vlc_value_t val;
val.i_time = 0;
if( p_input )
{
var_Get( p_input, "time", &val );
}
l_pos = 1000 * mediacontrol_unit_convert( p_input,
pos->key,
mediacontrol_MediaTime,
pos->value );
return val.i_time + l_pos;
break;
}
case mediacontrol_ModuloPosition:
{
long long l_pos;
vlc_value_t val;
val.i_time = 0;
if( p_input )
{
var_Get( p_input, "length", &val );
}
if( val.i_time > 0)
{
l_pos = ( 1000 * mediacontrol_unit_convert( p_input,
pos->key,
mediacontrol_MediaTime,
pos->value ) );
}
else
l_pos = 0;
return l_pos % val.i_time;
break;
}
}
return 0;
}
mediacontrol_RGBPicture*
mediacontrol_RGBPicture__alloc( int datasize )
{
mediacontrol_RGBPicture* pic;
pic = ( mediacontrol_RGBPicture * )malloc( sizeof( mediacontrol_RGBPicture ) );
if( ! pic )
return NULL;
pic->size = datasize;
pic->data = ( char* )malloc( datasize );
return pic;
}
void
mediacontrol_RGBPicture__free( mediacontrol_RGBPicture* pic )
{
if( pic )
free( pic->data );
free( pic );
}
mediacontrol_PlaylistSeq*
mediacontrol_PlaylistSeq__alloc( int size )
{
mediacontrol_PlaylistSeq* ps;
ps =( mediacontrol_PlaylistSeq* )malloc( sizeof( mediacontrol_PlaylistSeq ) );
if( ! ps )
return NULL;
ps->size = size;
ps->data = ( char** )malloc( size * sizeof( char* ) );
return ps;
}
void
mediacontrol_PlaylistSeq__free( mediacontrol_PlaylistSeq* ps )
{
if( ps )
{
int i;
for( i = 0 ; i < ps->size ; i++ )
free( ps->data[i] );
}
free( ps->data );
free( ps );
}
mediacontrol_Exception*
mediacontrol_exception_init( mediacontrol_Exception *exception )
{
if( exception == NULL )
{
exception = ( mediacontrol_Exception* )malloc( sizeof( mediacontrol_Exception ) );
}
exception->code = 0;
exception->message = NULL;
return exception;
}
void
mediacontrol_exception_free( mediacontrol_Exception *exception )
{
if( ! exception )
return;
free( exception->message );
free( exception );
}
mediacontrol_RGBPicture*
_mediacontrol_createRGBPicture( int i_width, int i_height, long i_chroma, long long l_date,
char* p_data, int i_datasize )
{
mediacontrol_RGBPicture *retval;
retval = mediacontrol_RGBPicture__alloc( i_datasize );
if( retval )
{
retval->width = i_width;
retval->height = i_height;
retval->type = i_chroma;
retval->date = l_date;
retval->size = i_datasize;
memcpy( retval->data, p_data, i_datasize );
}
return retval;
}

6
src/libvlc.h
View File

@ -322,9 +322,9 @@ static char *ppsz_clock_descriptions[] =
#define INPUT_PROGRAM_TEXT N_("Choose program (SID)")
#define INPUT_PROGRAM_LONGTEXT N_( \
"Choose the program to select by giving its Service ID\n." \
"Choose the program to select by giving its Service ID.\n" \
"Only use this option if you want to read a multi-program stream " \
"(like DVB streams for example )" )
"(ike DVB streams for example)" )
#define INPUT_PROGRAMS_TEXT N_("Choose programs")
#define INPUT_PROGRAMS_LONGTEXT N_( \
@ -927,7 +927,6 @@ vlc_module_begin();
set_subcategory( SUBCAT_AUDIO_AOUT );
add_module( "aout", "audio output", NULL, NULL, AOUT_TEXT, AOUT_LONGTEXT,
VLC_TRUE );
change_short('A');
set_subcategory( SUBCAT_AUDIO_AFILTER );
add_module_list_cat( "audio-filter", SUBCAT_AUDIO_AFILTER, 0,
NULL, AUDIO_FILTER_TEXT,
@ -1200,6 +1199,7 @@ vlc_module_begin();
MEMCPY_LONGTEXT, VLC_TRUE );
add_module( "audio-channel-mixer", "audio mixer", NULL, NULL,
AUDIO_CHANNEL_MIXER, AUDIO_CHANNEL_MIXER_LONGTEXT, VLC_TRUE );
change_short('A');
set_section( N_("Plugins" ), NULL );
add_bool( "plugins-cache", VLC_TRUE, NULL, PLUGINS_CACHE_TEXT,

2
vlc-config.in.in
View File

@ -82,6 +82,8 @@ if test "@includedir@" != "/usr/include"; then
fi
if test "${top_builddir}" != ""; then
top_builddir="${top_builddir}/"
elif test "${TOP_BUILDDIR}" != ""; then
top_builddir="${TOP_BUILDDIR}/"
fi
includes="${includes} -I${top_builddir}include"
cppflags="${includes}"