+++ /dev/null
-/*****************************************************************************
- * wrapper.c: a "video filter2/splitter" with mouse to "video filter" wrapper.
- *****************************************************************************
- * Copyright (C) 2009 Laurent Aimar
- * $Id$
- *
- * Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ 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
- * (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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
-
-/*****************************************************************************
- * Preamble
- *****************************************************************************/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-#include <assert.h>
-
-#include <vlc_common.h>
-#include <vlc_plugin.h>
-#include <vlc_vout.h>
-#include <vlc_filter.h>
-#include <vlc_video_splitter.h>
-
-#include "filter_common.h"
-
-/*****************************************************************************
- * Module descriptor
- *****************************************************************************/
-static int Open ( vlc_object_t *, const char *psz_name, bool b_filter );
-static void Close( vlc_object_t * );
-
-#define DECLARE_OPEN(name,filter) \
- static int Open##name ( vlc_object_t *p_this ) { return Open( p_this, #name, filter ); }
-
-DECLARE_OPEN(clone, false)
-DECLARE_OPEN(wall, false)
-DECLARE_OPEN(panoramix, false)
-
-#undef DECLARE_OPEN
-
-#define DECLARE_MODULE(name) \
- set_description( "Video filter "#name" wrapper" ) \
- set_shortname( "Video filter"#name" wrapper" ) \
- set_capability( "video filter", 0 ) \
- set_callbacks( Open##name, Close ) \
- add_shortcut( #name )
-
-vlc_module_begin()
- set_category( CAT_VIDEO )
- set_subcategory( SUBCAT_VIDEO_VFILTER )
-
- DECLARE_MODULE(clone)
-
- add_submodule()
- DECLARE_MODULE(wall)
-
- add_submodule()
- DECLARE_MODULE(panoramix)
-
-vlc_module_end()
-
-#undef DECLARE_MODULE
-
-/*****************************************************************************
- * Local prototypes
- *****************************************************************************/
-static int Init ( vout_thread_t * );
-static void End ( vout_thread_t * );
-static void Render ( vout_thread_t *, picture_t * );
-static int Control ( vout_thread_t *, int, va_list );
-
-struct vout_sys_t
-{
- int i_vout;
- vout_thread_t **pp_vout;
-
- es_format_t fmt;
-
- vlc_mutex_t lock;
- filter_chain_t *p_chain;
- video_splitter_t *p_splitter;
-
- vlc_mouse_t *p_mouse_src;
- vlc_mouse_t mouse;
-};
-
-/* */
-static int FilterAllocationInit ( filter_t *, void * );
-static void FilterAllocationClean( filter_t * );
-
-/* */
-static int FullscreenEventDown( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
-static int SplitterPictureNew( video_splitter_t *, picture_t *pp_picture[] );
-static void SplitterPictureDel( video_splitter_t *, picture_t *pp_picture[] );
-
-/* */
-static int MouseEvent( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
-static void VoutsClean( vout_thread_t *p_vout, int i_count );
-
-/**
- * Open our wrapper instance.
- */
-static int Open( vlc_object_t *p_this, const char *psz_name, bool b_filter )
-{
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
- vout_sys_t *p_sys;
-
- msg_Err( p_vout, "Opening video %s wrapper for %s",
- b_filter ? "filter" : "splitter", psz_name );
-
- /* */
- es_format_t fmt;
- es_format_Init( &fmt, VIDEO_ES, p_vout->render.i_chroma );
- video_format_Setup( &fmt.video, p_vout->render.i_chroma,
- p_vout->render.i_width, p_vout->render.i_height,
- p_vout->render.i_aspect * p_vout->render.i_height,
- VOUT_ASPECT_FACTOR * p_vout->render.i_width );
-
- /* Try to open our real module */
- filter_chain_t *p_chain = NULL;
- video_splitter_t *p_splitter = NULL;
- if( b_filter )
- {
- p_chain = filter_chain_New( p_vout, "video filter2", false,
- FilterAllocationInit, FilterAllocationClean, p_vout );
- if( !p_chain )
- return VLC_ENOMEM;
-
- filter_chain_Reset( p_chain, &fmt, &fmt );
-
- filter_t *p_filter =
- filter_chain_AppendFilter( p_chain, psz_name, p_vout->p_cfg, &fmt, &fmt );
-
- if( !p_filter )
- {
- msg_Err( p_vout, "Failed to open filter '%s'", psz_name );
- filter_chain_Delete( p_chain );
- return VLC_EGENERIC;
- }
- }
- else
- {
- p_splitter = video_splitter_New( VLC_OBJECT(p_vout), psz_name, &fmt.video );
- if( !p_splitter )
- {
- msg_Err( p_vout, "Failed to open splitter '%s'", psz_name );
- return VLC_EGENERIC;
- }
- assert( p_splitter->i_output > 0 );
-
- p_splitter->p_owner = (video_splitter_owner_t*)p_vout;
- p_splitter->pf_picture_new = SplitterPictureNew;
- p_splitter->pf_picture_del = SplitterPictureDel;
- }
-
- /* */
- p_vout->p_sys = p_sys = malloc( sizeof(*p_sys) );
- if( !p_sys )
- goto error;
-
- p_sys->i_vout = p_chain ? 1 : p_splitter->i_output;
- p_sys->pp_vout = calloc( p_sys->i_vout, sizeof(*p_sys->pp_vout) );;
- p_sys->p_mouse_src = calloc( p_sys->i_vout, sizeof(*p_sys->p_mouse_src) );
-
- p_sys->fmt = fmt;
- vlc_mutex_init( &p_sys->lock );
- p_sys->p_chain = p_chain;
- p_sys->p_splitter = p_splitter;
- vlc_mouse_Init( &p_sys->mouse );
- for( int i = 0; i < p_sys->i_vout; i++ )
- vlc_mouse_Init( &p_sys->p_mouse_src[i] );
-
- p_vout->pf_init = Init;
- p_vout->pf_end = End;
- p_vout->pf_manage = NULL;
- p_vout->pf_render = Render;
- p_vout->pf_display = NULL;
- p_vout->pf_control = Control;
-
- return VLC_SUCCESS;
-
-error:
- if( p_chain )
- filter_chain_Delete( p_chain );
- if( p_splitter )
- video_splitter_Delete( p_splitter );
- return VLC_ENOMEM;
-}
-
-/**
- * Close our wrapper instance
- */
-static void Close( vlc_object_t *p_this )
-{
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
- vout_sys_t *p_sys = p_vout->p_sys;
-
- if( p_sys->p_chain )
- filter_chain_Delete( p_sys->p_chain );
- if( p_sys->p_splitter )
- video_splitter_Delete( p_sys->p_splitter );
-
- vlc_mutex_destroy( &p_sys->lock );
- es_format_Clean( &p_sys->fmt );
- free( p_sys->p_mouse_src );
- free( p_sys->pp_vout );
-
- free( p_vout->p_sys );
-}
-
-/**
- * Initialise our wrapper
- */
-static int Init( vout_thread_t *p_vout )
-{
- vout_sys_t *p_sys = p_vout->p_sys;
-
- assert( p_vout->render.i_chroma == p_sys->fmt.video.i_chroma &&
- p_vout->render.i_width == p_sys->fmt.video.i_width &&
- p_vout->render.i_height == p_sys->fmt.video.i_height );
-
- /* Initialize the output structure */
- I_OUTPUTPICTURES = 0;
- p_vout->output.i_chroma = p_vout->render.i_chroma;
- p_vout->output.i_width = p_vout->render.i_width;
- p_vout->output.i_height = p_vout->render.i_height;
- p_vout->output.i_aspect = p_vout->render.i_aspect;
-
- p_vout->fmt_out = p_vout->fmt_in;
-
- /* Try to open the real video output */
- msg_Dbg( p_vout, "spawning the real video output(s)" );
-
- video_format_t fmt = p_vout->fmt_out;
-
- if( p_sys->p_chain )
- {
- p_sys->pp_vout[0] = vout_Create( p_vout, &fmt );
- if( !p_sys->pp_vout[0] )
- {
- msg_Err( p_vout, "cannot open vout, aborting" );
- return VLC_EGENERIC;
- }
- vout_filter_AddChild( p_vout, p_sys->pp_vout[0], MouseEvent );
- }
- else
- {
- video_splitter_t *p_splitter = p_sys->p_splitter;
-
- /* */
- const int i_org_align = var_CreateGetInteger( p_vout, "align" );
- const int i_org_x = var_CreateGetInteger( p_vout, "video-x" );
- const int i_org_y = var_CreateGetInteger( p_vout, "video-y" );
- const char *psz_org_vout = var_CreateGetNonEmptyString( p_vout, "vout" );
-
- /* */
- for( int i = 0; i < p_splitter->i_output; i++ )
- {
- const video_splitter_output_t *p_cfg = &p_splitter->p_output[i];
-
- /* */
- var_SetInteger( p_vout, "align", p_cfg->window.i_align);
-
- var_SetInteger( p_vout, "video-x", i_org_x + p_cfg->window.i_x );
- var_SetInteger( p_vout, "video-y", i_org_y + p_cfg->window.i_y );
-
- if( p_cfg->psz_module )
- var_SetString( p_vout, "vout", p_cfg->psz_module );
-
- /* */
- video_format_t fmt = p_cfg->fmt;
- p_sys->pp_vout[i] = vout_Create( p_vout, &fmt );
- if( !p_sys->pp_vout[i] )
- {
- msg_Err( p_vout, "cannot open vout, aborting" );
- VoutsClean( p_vout, i );
- return VLC_EGENERIC;
- }
- }
-
- /* Attach once pp_vout is completly filed to avoid race conditions */
- for( int i = 0; i < p_splitter->i_output; i++ )
- vout_filter_SetupChild( p_vout, p_sys->pp_vout[i],
- MouseEvent,
- FullscreenEventDown, true );
- /* Restore settings */
- var_SetInteger( p_vout, "align", i_org_align );
- var_SetInteger( p_vout, "video-x", i_org_x );
- var_SetInteger( p_vout, "video-y", i_org_y );
- var_SetString( p_vout, "vout", psz_org_vout ? psz_org_vout : "" );
- }
-
- vout_filter_AllocateDirectBuffers( p_vout, VOUT_MAX_PICTURES );
-
- return VLC_SUCCESS;
-}
-
-/**
- * Clean up our wrapper
- */
-static void End( vout_thread_t *p_vout )
-{
- vout_sys_t *p_sys = p_vout->p_sys;
-
- VoutsClean( p_vout, p_sys->i_vout );
-
- vout_filter_ReleaseDirectBuffers( p_vout );
-}
-
-/**
- * Control the real vout
- */
-static int Control( vout_thread_t *p_vout, int i_query, va_list args )
-{
- vout_sys_t *p_sys = p_vout->p_sys;
- int i_ret = VLC_SUCCESS;
-
- for( int i = 0; i < p_sys->i_vout; i++ )
- i_ret = vout_vaControl( p_sys->pp_vout[i], i_query, args );
- return i_ret;
-}
-
-/**
- * Filter a picture
- */
-static void Render( vout_thread_t *p_vout, picture_t *p_src )
-{
- vout_sys_t *p_sys = p_vout->p_sys;
-
- vlc_mutex_lock( &p_sys->lock );
-
- picture_t *pp_dst[p_sys->i_vout];
-
- if( p_sys->p_chain )
- {
- pp_dst[0] = filter_chain_VideoFilter( p_sys->p_chain, p_src );
- }
- else
- {
- if( video_splitter_Filter( p_sys->p_splitter, pp_dst, p_src ) )
- {
- for( int i = 0; i < p_sys->i_vout; i++ )
- pp_dst[i] = NULL;
- }
- }
- for( int i = 0; i < p_sys->i_vout; i++ )
- {
- picture_t *p_dst = pp_dst[i];
- if( p_dst )
- vout_DisplayPicture( p_sys->pp_vout[i], p_dst );
- }
-
- vlc_mutex_unlock( &p_sys->lock );
-}
-
-/* */
-static void VoutsClean( vout_thread_t *p_vout, int i_count )
-{
- vout_sys_t *p_sys = p_vout->p_sys;
-
- /* Detach all vouts before destroying them */
- for( int i = 0; i < i_count; i++ )
- {
- if( p_sys->p_chain )
- vout_filter_DelChild( p_vout, p_sys->pp_vout[i], MouseEvent );
- else
- vout_filter_SetupChild( p_vout, p_sys->pp_vout[i],
- MouseEvent,
- FullscreenEventDown, false );
- }
-
- for( int i = 0; i < i_count; i++ )
- vout_CloseAndRelease( p_sys->pp_vout[i] );
-}
-static int VoutsNewPicture( vout_thread_t *p_vout, picture_t *pp_dst[] )
-{
- vout_sys_t *p_sys = p_vout->p_sys;
-
- for( int i = 0; i < p_sys->i_vout; i++ )
- {
- picture_t *p_picture = NULL;
- for( ;; )
- {
- p_picture = vout_CreatePicture( p_sys->pp_vout[i], 0, 0, 0 );
- if( p_picture )
- break;
-
- if( !vlc_object_alive( p_vout ) || p_vout->b_error )
- break;
- msleep( VOUT_OUTMEM_SLEEP );
- }
- /* FIXME what to do with the allocated picture ? */
- if( !p_picture )
- return VLC_EGENERIC;
-
- pp_dst[i] = p_picture;
- }
- return VLC_SUCCESS;
-}
-
-/**
- * Callback for mouse events
- */
-static int MouseEvent( vlc_object_t *p_this, char const *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
-{
- VLC_UNUSED(psz_var); VLC_UNUSED(oldval); VLC_UNUSED(newval);
- vout_thread_t *p_vout = p_data;
- vout_sys_t *p_sys = p_vout->p_sys;
- int i_index;
-
- for( i_index = 0; i_index < p_sys->i_vout; i_index++ )
- {
- if( p_this == VLC_OBJECT(p_sys->pp_vout[i_index]) )
- break;
- }
- if( i_index >= p_sys->i_vout )
- {
- msg_Err( p_vout, "Failed to find vout source in MouseEvent" );
- return VLC_SUCCESS;
- }
-
- vout_thread_t *p_vout_src = p_sys->pp_vout[i_index];
-
- vlc_mouse_t m;
- vlc_mouse_Init( &m );
- var_GetCoords( p_vout_src, "mouse-moved", &m.i_x, &m.i_y );
- m.i_pressed = var_GetInteger( p_vout_src, "mouse-button-down" );
-
- vlc_mutex_lock( &p_sys->lock );
-
- vlc_mouse_t nmouse;
- vlc_mouse_t omouse = p_sys->mouse;
-
- int i_ret;
- if( p_sys->p_chain )
- {
- i_ret = filter_chain_MouseFilter( p_sys->p_chain, &nmouse, &m );
- }
- else
- {
- vlc_mouse_t *p_mouse_src = &p_sys->p_mouse_src[i_index];
-
- i_ret = video_splitter_Mouse( p_sys->p_splitter, &nmouse, i_index, p_mouse_src, &m );
- *p_mouse_src = m;
- }
-
- if( !i_ret )
- p_sys->mouse = nmouse;
- vlc_mutex_unlock( &p_sys->lock );
-
- if( i_ret )
- return VLC_EGENERIC;
-
- if( vlc_mouse_HasMoved( &omouse, &nmouse ) )
- {
- var_SetCoords( p_vout, "mouse-moved", nmouse.i_x, nmouse.i_y );
- }
- if( vlc_mouse_HasButton( &omouse, &nmouse ) )
- {
- var_SetInteger( p_vout, "mouse-button-down", nmouse.i_pressed );
- if( vlc_mouse_HasPressed( &omouse, &nmouse, MOUSE_BUTTON_LEFT ) )
- var_SetCoords( p_vout, "mouse-clicked", nmouse.i_x, nmouse.i_y );
- }
- if( m.b_double_click )
- {
- /* Nothing with current API */
- msg_Warn( p_vout, "Ignoring double click" );
- }
- return VLC_SUCCESS;
-}
-
-/* -- Filter callbacks -- */
-
-static picture_t *VideoBufferNew( filter_t *p_filter )
-{
- vout_thread_t *p_vout = (vout_thread_t*)p_filter->p_owner;
-
- picture_t *pp_picture[1];
- if( VoutsNewPicture( p_vout, pp_picture ) )
- return NULL;
- return pp_picture[0];
-}
-static void VideoBufferDelete( filter_t *p_filter, picture_t *p_picture )
-{
- VLC_UNUSED(p_filter); VLC_UNUSED(p_picture);
- /* FIXME is there anything to do ? */
-}
-
-static int FilterAllocationInit( filter_t *p_filter, void *p_data )
-{
- VLC_UNUSED( p_data );
-
- p_filter->pf_video_buffer_new = VideoBufferNew;
- p_filter->pf_video_buffer_del = VideoBufferDelete;
- p_filter->p_owner = p_data;
-
- return VLC_SUCCESS;
-}
-static void FilterAllocationClean( filter_t *p_filter )
-{
- p_filter->pf_video_buffer_new = NULL;
- p_filter->pf_video_buffer_del = NULL;
-}
-
-/* -- Splitter callbacks -- */
-
-static int FullscreenEventDown( vlc_object_t *p_this, char const *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
-{
- vout_thread_t *p_vout = (vout_thread_t*)p_this;
- vout_sys_t *p_sys = p_vout->p_sys;
- VLC_UNUSED(oldval); VLC_UNUSED(p_data); VLC_UNUSED(psz_var);
-
- for( int i = 0; i < p_sys->i_vout; i++ )
- {
- vout_thread_t *p_child = p_sys->pp_vout[i];
- var_SetBool( p_child, "fullscreen", newval.b_bool );
- }
- return VLC_SUCCESS;
-}
-
-static int SplitterPictureNew( video_splitter_t *p_splitter, picture_t *pp_picture[] )
-{
- vout_thread_t *p_vout = (vout_thread_t*)p_splitter->p_owner;
-
- return VoutsNewPicture( p_vout, pp_picture );
-}
-static void SplitterPictureDel( video_splitter_t *p_splitter, picture_t *pp_picture[] )
-{
- VLC_UNUSED(p_splitter); VLC_UNUSED(pp_picture);
- /* FIXME is there anything to do ? */
-}
-
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