X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fvideo_filter%2Fmotionblur.c;h=4b9bafeb7172fa7a6e02b2ef0d13c3b4f60fd57c;hb=688f0a8d8913f20ac5d3e27bf4f2bbe35c9f5de7;hp=406f9e59bc066140f1ec7c0dc538ef9ba41ee061;hpb=3f6f97f1326fe9d502171012699986dd404c17c4;p=vlc diff --git a/modules/video_filter/motionblur.c b/modules/video_filter/motionblur.c index 406f9e59bc..4b9bafeb71 100644 --- a/modules/video_filter/motionblur.c +++ b/modules/video_filter/motionblur.c @@ -1,10 +1,11 @@ /***************************************************************************** * motion_blur.c : motion blur filter for vlc ***************************************************************************** - * Copyright (C) 2000, 2001, 2002, 2003 VideoLAN + * Copyright (C) 2000, 2001, 2002, 2003 the VideoLAN team * $Id$ * - * Authors: Sigmund Augdal + * Authors: Sigmund Augdal Helberg + * Antoine Cellerier * * 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 @@ -18,365 +19,208 @@ * * 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. + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ /***************************************************************************** * Preamble *****************************************************************************/ -#include /* malloc(), free() */ -#include -#include -#include +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif -#include "filter_common.h" +#include +#include +#include +#include +#include +#include "filter_picture.h" /***************************************************************************** * Local protypes *****************************************************************************/ -static int Create ( vlc_object_t * ); -static void Destroy ( vlc_object_t * ); - -static int Init ( vout_thread_t * ); -static void End ( vout_thread_t * ); -static void Render ( vout_thread_t *, picture_t * ); - -static void RenderBlur ( vout_thread_t *, picture_t *, picture_t *, picture_t * ); -static void CopyPicture ( vout_thread_t*, picture_t *, picture_t * ); - -static int SendEvents( vlc_object_t *, char const *, - vlc_value_t, vlc_value_t, void * ); +static int Create ( vlc_object_t * ); +static void Destroy ( vlc_object_t * ); +static picture_t *Filter ( filter_t *, picture_t * ); +static void RenderBlur ( filter_sys_t *, picture_t *, picture_t * ); +static void Copy ( filter_t *, picture_t * ); +static int MotionBlurCallback( vlc_object_t *, char const *, + vlc_value_t, vlc_value_t, void * ); /***************************************************************************** * Module descriptor *****************************************************************************/ -#define MODE_TEXT N_("Blur factor (1-127)") -#define MODE_LONGTEXT N_("The degree of blurring from 1 to 127.") +#define FACTOR_TEXT N_("Blur factor (1-127)") +#define FACTOR_LONGTEXT N_("The degree of blurring from 1 to 127.") + +#define FILTER_PREFIX "blur-" vlc_module_begin(); - set_description( _("Motion blur filter") ); - set_capability( "video filter", 0 ); + set_shortname( N_("Motion blur") ); + set_description( N_("Motion blur filter") ); + set_capability( "video filter2", 0 ); + set_category( CAT_VIDEO ); + set_subcategory( SUBCAT_VIDEO_VFILTER ); - add_integer_with_range( "blur-factor", 80, 1, 127, NULL, - MODE_TEXT, MODE_LONGTEXT, VLC_FALSE ); - - set_callbacks( Create, Destroy ); -vlc_module_end(); + add_integer_with_range( FILTER_PREFIX "factor", 80, 1, 127, NULL, + FACTOR_TEXT, FACTOR_LONGTEXT, false ); -/***************************************************************************** - * vout_sys_t: Deinterlace video output method descriptor - ***************************************************************************** - * This structure is part of the video output thread descriptor. - * It describes the Deinterlace specific properties of an output thread. - *****************************************************************************/ -struct vout_sys_t -{ - int i_factor; /* Deinterlace mode */ - vlc_bool_t b_double_rate; /* Shall we double the framerate? */ + add_shortcut( "blur" ); - mtime_t last_date; - mtime_t next_date; + set_callbacks( Create, Destroy ); +vlc_module_end(); - vout_thread_t *p_vout; - picture_t *p_lastpic; +static const char *const ppsz_filter_options[] = { + "factor", NULL }; /***************************************************************************** - * Control: control facility for the vout (forwards to child vout) + * filter_sys_t *****************************************************************************/ -static int Control( vout_thread_t *p_vout, int i_query, va_list args ) +struct filter_sys_t { - return vout_vaControl( p_vout->p_sys->p_vout, i_query, args ); -} + int i_factor; + + uint8_t **pp_planes; + int i_planes; +}; /***************************************************************************** - * Create: allocates Deinterlace video thread output method - ***************************************************************************** - * This function allocates and initializes a Deinterlace vout method. + * Create *****************************************************************************/ static int Create( vlc_object_t *p_this ) { - vout_thread_t *p_vout = (vout_thread_t *)p_this; + filter_t *p_filter = (filter_t *)p_this; /* Allocate structure */ - p_vout->p_sys = malloc( sizeof( vout_sys_t ) ); - if( p_vout->p_sys == NULL ) - { - msg_Err( p_vout, "out of memory" ); + p_filter->p_sys = malloc( sizeof( filter_sys_t ) ); + if( p_filter->p_sys == NULL ) return VLC_ENOMEM; - } - 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; + p_filter->pf_video_filter = Filter; - p_vout->p_sys->i_factor = config_GetInt( p_vout, "blur-factor" ); - p_vout->p_sys->b_double_rate = 0; - p_vout->p_sys->last_date = 0; - p_vout->p_sys->p_lastpic = NULL; + config_ChainParse( p_filter, FILTER_PREFIX, ppsz_filter_options, + p_filter->p_cfg ); - return VLC_SUCCESS; -} + p_filter->p_sys->i_factor = + var_CreateGetIntegerCommand( p_filter, FILTER_PREFIX "factor" ); + var_AddCallback( p_filter, FILTER_PREFIX "factor", + MotionBlurCallback, p_filter->p_sys ); -/***************************************************************************** - * Init: initialize Deinterlace video thread output method - *****************************************************************************/ -static int Init( vout_thread_t *p_vout ) -{ - int i_index; - picture_t *p_pic; - video_format_t fmt = {0}; - - I_OUTPUTPICTURES = 0; - - /* Initialize the output structure, full of directbuffers since we want - * the decoder to output directly to our structures. */ - switch( p_vout->render.i_chroma ) - { - case VLC_FOURCC('I','4','2','0'): - case VLC_FOURCC('I','Y','U','V'): - case VLC_FOURCC('Y','V','1','2'): - case VLC_FOURCC('I','4','2','2'): - 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; - break; - - default: - return VLC_EGENERIC; /* unknown chroma */ - break; - } - - msg_Dbg( p_vout, "spawning the real video output" ); - - fmt.i_width = fmt.i_visible_width = p_vout->output.i_width; - fmt.i_height = fmt.i_visible_height = p_vout->output.i_height; - fmt.i_x_offset = fmt.i_y_offset = 0; - fmt.i_chroma = p_vout->output.i_chroma; - fmt.i_aspect = p_vout->output.i_aspect; - fmt.i_sar_num = p_vout->output.i_aspect * fmt.i_height / fmt.i_width; - fmt.i_sar_den = VOUT_ASPECT_FACTOR; - - switch( p_vout->render.i_chroma ) - { - case VLC_FOURCC('I','4','2','0'): - case VLC_FOURCC('I','Y','U','V'): - case VLC_FOURCC('Y','V','1','2'): - p_vout->p_sys->p_vout = vout_Create( p_vout, &fmt ); - break; - default: - break; - } - - /* Everything failed */ - if( p_vout->p_sys->p_vout == NULL ) - { - msg_Err( p_vout, "cannot open vout, aborting" ); - - return VLC_EGENERIC; - } - - ALLOCATE_DIRECTBUFFERS( VOUT_MAX_PICTURES ); - - ADD_CALLBACKS( p_vout->p_sys->p_vout, SendEvents ); - - ADD_PARENT_CALLBACKS( SendEventsToChild ); + p_filter->p_sys->pp_planes = NULL; + p_filter->p_sys->i_planes = 0; return VLC_SUCCESS; } /***************************************************************************** - * End: terminate Deinterlace video thread output method - *****************************************************************************/ -static void End( vout_thread_t *p_vout ) -{ - int i_index; - - /* Free the fake output buffers we allocated */ - for( i_index = I_OUTPUTPICTURES ; i_index ; ) - { - i_index--; - free( PP_OUTPUTPICTURE[ i_index ]->p_data_orig ); - } -} - -/***************************************************************************** - * Destroy: destroy Deinterlace video thread output method - ***************************************************************************** - * Terminate an output method created by DeinterlaceCreateOutputMethod + * Destroy *****************************************************************************/ static void Destroy( vlc_object_t *p_this ) { - vout_thread_t *p_vout = (vout_thread_t *)p_this; - - if( p_vout->p_sys->p_vout ) - { - DEL_CALLBACKS( p_vout->p_sys->p_vout, SendEvents ); - vlc_object_detach( p_vout->p_sys->p_vout ); - vout_Destroy( p_vout->p_sys->p_vout ); - } + filter_t *p_filter = (filter_t *)p_this; - DEL_PARENT_CALLBACKS( SendEventsToChild ); - - free( p_vout->p_sys ); + while( p_filter->p_sys->i_planes-- ) + free( p_filter->p_sys->pp_planes[p_filter->p_sys->i_planes] ); + free( p_filter->p_sys->pp_planes ); + free( p_filter->p_sys ); } /***************************************************************************** - * Render: displays previously rendered output - ***************************************************************************** - * This function send the currently rendered image to Deinterlace image, - * waits until it is displayed and switch the two rendering buffers, preparing - * next frame. + * Filter *****************************************************************************/ -static void Render ( vout_thread_t *p_vout, picture_t *p_pic ) +static picture_t *Filter( filter_t *p_filter, picture_t *p_pic ) { picture_t * p_outpic; - while( ( p_outpic = vout_CreatePicture( p_vout->p_sys->p_vout, 0, 0, 0 ) ) - == NULL ) - { - if( p_vout->b_die || p_vout->b_error ) - { - return; - } - msleep( VOUT_OUTMEM_SLEEP ); - } - vout_DatePicture( p_vout, p_outpic, p_pic->date ); + filter_sys_t *p_sys = p_filter->p_sys; + + if( !p_pic ) return NULL; - if ( p_vout->p_sys->p_lastpic == NULL ) + p_outpic = filter_NewPicture( p_filter ); + if( !p_outpic ) { - /* Get a new picture */ - while( ( p_vout->p_sys->p_lastpic = - vout_CreatePicture( p_vout->p_sys->p_vout, 0, 0, 0 ) ) - == NULL ) - { - if( p_vout->b_die || p_vout->b_error ) - { - return; - } - msleep( VOUT_OUTMEM_SLEEP ); - } - CopyPicture( p_vout, p_vout->p_sys->p_lastpic, p_pic ); - CopyPicture( p_vout, p_outpic, p_pic ); - vout_DisplayPicture( p_vout->p_sys->p_vout, p_outpic ); - return; + picture_Release( p_pic ); + return NULL; } - /* Get a new picture */ - RenderBlur( p_vout, p_vout->p_sys->p_lastpic, p_pic, p_outpic ); - vout_DestroyPicture( p_vout, p_vout->p_sys->p_lastpic ); - - - /* Get a new picture */ - while( ( p_vout->p_sys->p_lastpic = - vout_CreatePicture( p_vout->p_sys->p_vout, 0, 0, 0 ) ) - == NULL ) + if( !p_sys->pp_planes ) { - if( p_vout->b_die || p_vout->b_error ) + /* initialise our picture buffer */ + int i_plane; + p_sys->i_planes = p_pic->i_planes; + p_sys->pp_planes = + (uint8_t**)malloc( p_sys->i_planes * sizeof( uint8_t * ) ); + for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ ) { - return; + p_sys->pp_planes[i_plane] = (uint8_t*)malloc( + p_pic->p[i_plane].i_pitch * p_pic->p[i_plane].i_visible_lines ); } - msleep( VOUT_OUTMEM_SLEEP ); + Copy( p_filter, p_pic ); } - CopyPicture( p_vout, p_vout->p_sys->p_lastpic, p_outpic ); - vout_DisplayPicture( p_vout->p_sys->p_vout, p_outpic ); -} -/* FIXME: this is a verbatim copy from src/video_output/vout_pictures.c */ -/* XXX: the order is fucked up!! */ -static void CopyPicture( vout_thread_t * p_vout, - picture_t *p_dest, picture_t *p_src ) -{ - int i; - - for( i = 0; i < p_src->i_planes ; i++ ) - { - if( p_src->p[i].i_pitch == p_dest->p[i].i_pitch ) - { - /* There are margins, but with the same width : perfect ! */ - p_vout->p_vlc->pf_memcpy( - p_dest->p[i].p_pixels, p_src->p[i].p_pixels, - p_src->p[i].i_pitch * p_src->p[i].i_visible_lines ); - } - else - { - /* We need to proceed line by line */ - uint8_t *p_in = p_src->p[i].p_pixels; - uint8_t *p_out = p_dest->p[i].p_pixels; - int i_line; + /* Get a new picture */ + RenderBlur( p_sys, p_pic, p_outpic ); + Copy( p_filter, p_outpic ); - for( i_line = p_src->p[i].i_visible_lines; i_line--; ) - { - p_vout->p_vlc->pf_memcpy( p_out, p_in, - p_src->p[i].i_visible_pitch ); - p_in += p_src->p[i].i_pitch; - p_out += p_dest->p[i].i_pitch; - } - } - } + return CopyInfoAndRelease( p_outpic, p_pic ); } /***************************************************************************** * RenderBlur: renders a blurred picture *****************************************************************************/ -static void RenderBlur( vout_thread_t *p_vout, picture_t *p_oldpic, - picture_t *p_newpic, picture_t *p_outpic ) +static void RenderBlur( filter_sys_t *p_sys, picture_t *p_newpic, + picture_t *p_outpic ) { int i_plane; - int i_oldfactor = p_vout->p_sys->i_factor; - int i_newfactor = 128 - p_vout->p_sys->i_factor; + int i_oldfactor = p_sys->i_factor; + int i_newfactor = 128 - i_oldfactor; for( i_plane = 0; i_plane < p_outpic->i_planes; i_plane++ ) { uint8_t *p_old, *p_new, *p_out, *p_out_end, *p_out_line_end; + const int i_pitch = p_outpic->p[i_plane].i_pitch; + const int i_visible_pitch = p_outpic->p[i_plane].i_visible_pitch; + const int i_visible_lines = p_outpic->p[i_plane].i_visible_lines; + p_out = p_outpic->p[i_plane].p_pixels; p_new = p_newpic->p[i_plane].p_pixels; - p_old = p_oldpic->p[i_plane].p_pixels; - p_out_end = p_out + p_outpic->p[i_plane].i_pitch * - p_outpic->p[i_plane].i_visible_lines; + p_old = p_sys->pp_planes[i_plane]; + p_out_end = p_out + i_pitch * i_visible_lines; while ( p_out < p_out_end ) { - p_out_line_end = p_out + p_outpic->p[i_plane].i_visible_pitch; + p_out_line_end = p_out + i_visible_pitch; while ( p_out < p_out_line_end ) { *p_out++ = (((*p_old++) * i_oldfactor) + ((*p_new++) * i_newfactor)) >> 7; - -// *p_out++ = (*p_old++ >> 1) + (*p_new++ >> 1); } - p_old += p_oldpic->p[i_plane].i_pitch - - p_oldpic->p[i_plane].i_visible_pitch; - p_new += p_newpic->p[i_plane].i_pitch - - p_newpic->p[i_plane].i_visible_pitch; - p_out += p_outpic->p[i_plane].i_pitch - - p_outpic->p[i_plane].i_visible_pitch; + p_old += i_pitch - i_visible_pitch; + p_new += i_pitch - i_visible_pitch; + p_out += i_pitch - i_visible_pitch; } } } -/***************************************************************************** - * SendEvents: forward mouse and keyboard events to the parent p_vout - *****************************************************************************/ -static int SendEvents( vlc_object_t *p_this, char const *psz_var, - vlc_value_t oldval, vlc_value_t newval, void *p_data ) +static void Copy( filter_t *p_filter, picture_t *p_pic ) { - var_Set( (vlc_object_t *)p_data, psz_var, newval ); - - return VLC_SUCCESS; + int i_plane; + for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ ) + { + vlc_memcpy( + p_filter->p_sys->pp_planes[i_plane], p_pic->p[i_plane].p_pixels, + p_pic->p[i_plane].i_pitch * p_pic->p[i_plane].i_visible_lines ); + } } -/***************************************************************************** - * SendEventsToChild: forward events to the child/children vout - *****************************************************************************/ -static int SendEventsToChild( vlc_object_t *p_this, char const *psz_var, - vlc_value_t oldval, vlc_value_t newval, void *p_data ) +static int MotionBlurCallback( 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; - var_Set( p_vout->p_sys->p_vout, psz_var, newval ); + VLC_UNUSED(p_this); VLC_UNUSED(oldval); + filter_sys_t *p_sys = (filter_sys_t *)p_data; + if( !strcmp( psz_var, FILTER_PREFIX "factor" ) ) + p_sys->i_factor = __MIN( 127, __MAX( 1, newval.i_int ) ); return VLC_SUCCESS; }