+++ /dev/null
-/*****************************************************************************
- * image.c : image video output
- *****************************************************************************
- * Copyright (C) 2004-2006 the VideoLAN team
- * $Id$
- *
- * Authors: 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
- * (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 <vlc_common.h>
-#include <vlc_plugin.h>
-#include <vlc_vout.h>
-#include <vlc_interface.h>
-
-#include "vlc_image.h"
-#include "vlc_strings.h"
-
-/*****************************************************************************
- * Local prototypes
- *****************************************************************************/
-static int Create ( vlc_object_t * );
-static void Destroy ( vlc_object_t * );
-
-static int Init ( vout_thread_t * );
-static void End ( vout_thread_t *p_vout );
-static void Display ( vout_thread_t *, picture_t * );
-
-/*****************************************************************************
- * Module descriptor
- *****************************************************************************/
-#define FORMAT_TEXT N_( "Image format" )
-#define FORMAT_LONGTEXT N_( "Format of the output images (png or jpg)." )
-
-#define WIDTH_TEXT N_( "Image width" )
-#define WIDTH_LONGTEXT N_( "You can enforce the image width. By default " \
- "(-1) VLC will adapt to the video " \
- "characteristics.")
-
-#define HEIGHT_TEXT N_( "Image height" )
-#define HEIGHT_LONGTEXT N_( "You can enforce the image height. By default " \
- "(-1) VLC will adapt to the video " \
- "characteristics.")
-
-#define RATIO_TEXT N_( "Recording ratio" )
-#define RATIO_LONGTEXT N_( "Ratio of images to record. "\
- "3 means that one image out of three is recorded." )
-
-#define PREFIX_TEXT N_( "Filename prefix" )
-#define PREFIX_LONGTEXT N_( "Prefix of the output images filenames. Output " \
- "filenames will have the \"prefixNUMBER.format\" "\
- "form." )
-
-#define REPLACE_TEXT N_( "Always write to the same file" )
-#define REPLACE_LONGTEXT N_( "Always write to the same file instead of " \
- "creating one file per image. In this case, " \
- "the number is not appended to the filename." )
-
-static const char *const psz_format_list[] = { "png", "jpeg" };
-static const char *const psz_format_list_text[] = { "PNG", "JPEG" };
-
-#define CFG_PREFIX "image-out-"
-
-vlc_module_begin( );
- set_shortname( N_( "Image file" ) );
- set_description( N_( "Image video output" ) );
- set_category( CAT_VIDEO );
- set_subcategory( SUBCAT_VIDEO_VOUT );
- set_capability( "video output", 0 );
-
- add_string( CFG_PREFIX "format", "png", NULL,
- FORMAT_TEXT, FORMAT_LONGTEXT, false );
- change_string_list( psz_format_list, psz_format_list_text, 0 );
- add_integer( CFG_PREFIX "width", 0, NULL,
- WIDTH_TEXT, WIDTH_LONGTEXT, true );
- add_deprecated_alias( "image-width" ); /* since 0.9.0 */
- add_integer( CFG_PREFIX "height", 0, NULL,
- HEIGHT_TEXT, HEIGHT_LONGTEXT, true );
- add_deprecated_alias( "image-height" ); /* since 0.9.0 */
- add_integer( CFG_PREFIX "ratio", 3, NULL,
- RATIO_TEXT, RATIO_LONGTEXT, false );
- add_string( CFG_PREFIX "prefix", "img", NULL,
- PREFIX_TEXT, PREFIX_LONGTEXT, false );
- add_bool( CFG_PREFIX "replace", 0, NULL,
- REPLACE_TEXT, REPLACE_LONGTEXT, false );
- set_callbacks( Create, Destroy );
-vlc_module_end();
-
-static const char *const ppsz_vout_options[] = {
- "format", "width", "height", "ratio", "prefix", "replace", NULL
-};
-
-/*****************************************************************************
- * vout_sys_t: video output descriptor
- *****************************************************************************/
-struct vout_sys_t
-{
- char *psz_prefix; /* Prefix */
- char *psz_format; /* Format */
- int i_ratio; /* Image ratio */
-
- unsigned int i_width; /* Image width */
- unsigned int i_height; /* Image height */
-
- int i_current; /* Current image */
- int i_frames; /* Number of frames */
-
- bool b_replace;
-
- bool b_time;
- bool b_meta;
-
- image_handler_t *p_image;
-};
-
-/*****************************************************************************
- * Create: allocates video thread
- *****************************************************************************
- * This function allocates and initializes a vout method.
- *****************************************************************************/
-static int Create( vlc_object_t *p_this )
-{
- vout_thread_t *p_vout = ( vout_thread_t * )p_this;
-
- /* Allocate instance and initialize some members */
- p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
- if( ! p_vout->p_sys )
- return VLC_ENOMEM;
-
- config_ChainParse( p_vout, CFG_PREFIX, ppsz_vout_options,
- p_vout->p_cfg );
-
- p_vout->p_sys->psz_prefix =
- var_CreateGetString( p_this, CFG_PREFIX "prefix" );
- p_vout->p_sys->b_time = strchr( p_vout->p_sys->psz_prefix, '%' )
- ? true : false;
- p_vout->p_sys->b_meta = strchr( p_vout->p_sys->psz_prefix, '$' )
- ? true : false;
- p_vout->p_sys->psz_format =
- var_CreateGetString( p_this, CFG_PREFIX "format" );
- p_vout->p_sys->i_width =
- var_CreateGetInteger( p_this, CFG_PREFIX "width" );
- p_vout->p_sys->i_height =
- var_CreateGetInteger( p_this, CFG_PREFIX "height" );
- p_vout->p_sys->i_ratio =
- var_CreateGetInteger( p_this, CFG_PREFIX "ratio" );
- p_vout->p_sys->b_replace =
- var_CreateGetBool( p_this, CFG_PREFIX "replace" );
- p_vout->p_sys->i_current = 0;
- p_vout->p_sys->p_image = image_HandlerCreate( p_vout );
-
- if( !p_vout->p_sys->p_image )
- {
- msg_Err( p_this, "unable to create image handler") ;
- FREENULL( p_vout->p_sys->psz_prefix );
- FREENULL( p_vout->p_sys->psz_format );
- FREENULL( p_vout->p_sys );
- return VLC_EGENERIC;
- }
-
- p_vout->pf_init = Init;
- p_vout->pf_end = End;
- p_vout->pf_manage = NULL;
- p_vout->pf_render = Display;
- p_vout->pf_display = NULL;
-
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * Init: initialize video thread
- *****************************************************************************/
-static int Init( vout_thread_t *p_vout )
-{
- int i_index;
- picture_t *p_pic;
-
- /* Initialize the output structure */
- p_vout->output.i_chroma = p_vout->render.i_chroma;
- p_vout->output.pf_setpalette = NULL;
- 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->output.i_width
- * VOUT_ASPECT_FACTOR / p_vout->output.i_height;
-
- p_vout->output.i_rmask = 0xff0000;
- p_vout->output.i_gmask = 0x00ff00;
- p_vout->output.i_bmask = 0x0000ff;
-
- /* Try to initialize 1 direct buffer */
- p_pic = NULL;
-
- /* Find an empty picture slot */
- for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
- {
- if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
- {
- p_pic = p_vout->p_picture + i_index;
- break;
- }
- }
-
- /* Allocate the picture */
- if( p_pic == NULL )
- {
- return VLC_EGENERIC;
- }
-
- vout_AllocatePicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
- p_vout->output.i_width, p_vout->output.i_height,
- p_vout->output.i_aspect );
-
- if( p_pic->i_planes == 0 )
- {
- return VLC_EGENERIC;
- }
-
- p_pic->i_status = DESTROYED_PICTURE;
- p_pic->i_type = DIRECT_PICTURE;
-
- PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
- I_OUTPUTPICTURES++;
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * Destroy: destroy video thread
- *****************************************************************************
- * Terminate an output method created by Create
- *****************************************************************************/
-static void Destroy( vlc_object_t *p_this )
-{
- int i_index;
- vout_thread_t *p_vout = ( vout_thread_t * )p_this;
-
- for( i_index = I_OUTPUTPICTURES-1; i_index >= 0; i_index-- )
- {
- free( PP_OUTPUTPICTURE[ i_index ]->p_data );
- }
-
- /* Destroy structure */
- image_HandlerDelete( p_vout->p_sys->p_image );
- FREENULL( p_vout->p_sys->psz_prefix );
- FREENULL( p_vout->p_sys->psz_format );
- FREENULL( p_vout->p_sys );
-}
-
-/*****************************************************************************
- * Display: displays previously rendered output
- *****************************************************************************
- * This function copies the rendered picture into our circular buffer.
- *****************************************************************************/
-static void Display( vout_thread_t *p_vout, picture_t *p_pic )
-{
- video_format_t fmt_in, fmt_out;
-
- char *psz_filename;
- char *psz_prefix;
- char *psz_tmp;
-
- memset( &fmt_in, 0, sizeof( fmt_in ) );
- memset( &fmt_out, 0, sizeof( fmt_out ) );
-
- if( p_vout->p_sys->i_frames % p_vout->p_sys->i_ratio != 0 )
- {
- p_vout->p_sys->i_frames++;
- return;
- }
- p_vout->p_sys->i_frames++;
-
- fmt_in.i_chroma = p_vout->render.i_chroma;
- fmt_in.i_width = p_vout->render.i_width;
- fmt_in.i_height = p_vout->render.i_height;
-
- fmt_out.i_width = (p_vout->p_sys->i_width > 0) ? p_vout->p_sys->i_width :
- p_vout->render.i_width;
- fmt_out.i_height = (p_vout->p_sys->i_height > 0) ? p_vout->p_sys->i_height :
- p_vout->render.i_height;
-
- if( p_vout->p_sys->b_time )
- {
- psz_tmp = str_format_time( p_vout->p_sys->psz_prefix );
- path_sanitize( psz_tmp );
- }
- else
- psz_tmp = p_vout->p_sys->psz_prefix;
- if( p_vout->p_sys->b_meta )
- {
- psz_prefix = str_format_meta( p_vout, psz_tmp );
- path_sanitize( psz_prefix );
- if( p_vout->p_sys->b_time )
- free( psz_tmp );
- }
- else
- psz_prefix = psz_tmp;
- psz_filename = (char *)malloc( 10 + strlen( psz_prefix )
- + strlen( p_vout->p_sys->psz_format ) );
- if( !psz_filename )
- return;
-
- if( p_vout->p_sys->b_replace )
- {
- sprintf( psz_filename, "%s.%s", psz_prefix,
- p_vout->p_sys->psz_format );
- }
- else
- {
- sprintf( psz_filename, "%s%.6i.%s", psz_prefix,
- p_vout->p_sys->i_current,
- p_vout->p_sys->psz_format );
- }
- if( p_vout->p_sys->b_time || p_vout->p_sys->b_meta )
- free( psz_prefix );
- image_WriteUrl( p_vout->p_sys->p_image, p_pic,
- &fmt_in, &fmt_out, psz_filename ) ;
- free( psz_filename );
-
- p_vout->p_sys->i_current++;
-
- return;
-}
-
-
-static void End( vout_thread_t *p_vout )
-{
- VLC_UNUSED(p_vout);
-}
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