[vlc-devel] [PATCH 1/7] opencv_wrapper: Port to video filter2

Rémi Denis-Courmont remi at remlab.net
Thu Aug 9 23:28:52 CEST 2012


Le jeudi 9 août 2012 22:19:09 Edward Wang, vous avez écrit :
> An update to the six-year-old, unmaintained filter... :)
> ---
>  modules/video_filter/opencv_wrapper.c |  378
> ++++++++++++--------------------- 1 files changed, 140 insertions(+), 238
> deletions(-)
> 
> diff --git a/modules/video_filter/opencv_wrapper.c
> b/modules/video_filter/opencv_wrapper.c index 1c7650d..7400351 100644
> --- a/modules/video_filter/opencv_wrapper.c
> +++ b/modules/video_filter/opencv_wrapper.c
> @@ -1,9 +1,11 @@
>  /*************************************************************************
> **** * opencv_wrapper.c : OpenCV wrapper video filter
>  
> **************************************************************************
> *** - * Copyright (C) 2006 the VideoLAN team
> + * Copyright (C) 2006-2012 the VideoLAN team
> + * Copyright (C) 2012 Edward Wang
>   *
>   * Authors: Dugal Harris <dugalh at protoclea.co.za>
> + *          Edward Wang <edward.c.wang at compdigitec.com>
>   *
>   * 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
> @@ -39,23 +41,21 @@
>  #include <vlc_filter.h>
>  #include <vlc_image.h>
>  #include <vlc_input.h>
> +#include "filter_picture.h"
> 
>  #include <cxcore.h>
>  #include <cv.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 * );
> -static void Render    ( vout_thread_t *, picture_t * );
> +static picture_t* Filter( filter_t*, picture_t* );
> 
> -static void ReleaseImages( vout_thread_t *p_vout );
> -static void VlcPictureToIplImage( vout_thread_t *p_vout, picture_t *p_in
> ); +static void ReleaseImages( filter_t* p_filter );
> +static void VlcPictureToIplImage( filter_t* p_filter, picture_t* p_in );
> 
>  /*************************************************************************
> **** * Module descriptor
> @@ -78,7 +78,7 @@ vlc_module_begin ()
>      set_shortname( N_("OpenCV" ))
>      set_category( CAT_VIDEO )
>      set_subcategory( SUBCAT_VIDEO_VFILTER )
> -    set_capability( "video filter", 0 )
> +    set_capability( "video filter2", 0 )
>      add_shortcut( "opencv_wrapper" )
>      set_callbacks( Create, Destroy )
>      add_float_with_range( "opencv-scale", 1.0, 0.1, 2.0,
> @@ -108,7 +108,7 @@ vlc_module_end ()
>  
> **************************************************************************
> ***/ enum wrapper_output_t
>  {
> -   NONE,    //not working yet
> +   NONE,
>     VINPUT,
>     PROCESSED
>  };
> @@ -134,15 +134,13 @@ enum verbosity_t
>  };
> 
>  /*************************************************************************
> **** - * vout_sys_t: opencv_wrapper video output method descriptor
> + * filter_sys_t: opencv_wrapper video output method descriptor
>  
> **************************************************************************
> *** * This structure is part of the video output thread descriptor.
>   * It describes the opencv_wrapper specific properties of an output
> thread.
> **************************************************************************
> ***/ -struct vout_sys_t
> +struct filter_sys_t
>  {
> -    vout_thread_t *p_vout;
> -
>      image_handler_t *p_image;
> 
>      int i_cv_image_size;
> @@ -165,264 +163,178 @@ struct vout_sys_t
>  };
> 
>  /*************************************************************************
> **** - * Control: control facility for the vout (forwards to child vout) -
> **************************************************************************
> ***/ -static int Control( vout_thread_t *p_vout, int i_query, va_list args
> ) -{
> -    return vout_vaControl( p_vout->p_sys->p_vout, i_query, args );
> -}
> -
> -/*************************************************************************
> **** * Create: allocates opencv_wrapper video thread output method
>  
> **************************************************************************
> *** * This function allocates and initializes a opencv_wrapper vout method.
> **************************************************************************
> ***/ 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;
>      char *psz_chroma, *psz_output, *psz_verbosity;
>      int i = 0;
> 
>      /* Allocate structure */
> -    p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
> -    if( p_vout->p_sys == NULL )
> +    p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
> +    if( p_filter->p_sys == NULL )
>          return VLC_ENOMEM;
> 
>      /* Init structure */
> -    p_vout->p_sys->p_image = image_HandlerCreate( p_vout );
> +    p_filter->p_sys->p_image = image_HandlerCreate( p_filter );
>      for (i = 0; i < VOUT_MAX_PLANES; i++)
> -        p_vout->p_sys->p_cv_image[i] = NULL;
> -    p_vout->p_sys->p_proc_image = NULL;
> -    p_vout->p_sys->p_to_be_freed = NULL;
> -    p_vout->p_sys->i_cv_image_size = 0;
> -
> -    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->p_sys->p_cv_image[i] = NULL;
> +    p_filter->p_sys->p_proc_image = NULL;
> +    p_filter->p_sys->p_to_be_freed = NULL;
> +    p_filter->p_sys->i_cv_image_size = 0;
> 
>      /* Retrieve and apply config */
> -    psz_chroma = var_InheritString( p_vout, "opencv-chroma" );
> +    psz_chroma = var_InheritString( p_filter, "opencv-chroma" );
>      if( psz_chroma == NULL )
>      {
> -        msg_Err( p_vout, "configuration variable %s empty, using 'grey'",
> +        msg_Err( p_filter, "configuration variable %s empty, using
> 'grey'", "opencv-chroma" );
> -        p_vout->p_sys->i_internal_chroma = GREY;
> -    }
> -    else
> -    {
> -        if( !strcmp( psz_chroma, "input" ) )
> -            p_vout->p_sys->i_internal_chroma = CINPUT;
> -        else if( !strcmp( psz_chroma, "I420" ) )
> -            p_vout->p_sys->i_internal_chroma = GREY;
> -        else if( !strcmp( psz_chroma, "RGB32" ) )
> -            p_vout->p_sys->i_internal_chroma = RGB;
> -        else
> -        {
> -            msg_Err( p_vout, "no valid opencv-chroma provided, using
> 'grey'" ); -            p_vout->p_sys->i_internal_chroma = GREY;
> -        }
> +        p_filter->p_sys->i_internal_chroma = GREY;
> +    } else if( !strcmp( psz_chroma, "input" ) )
> +        p_filter->p_sys->i_internal_chroma = CINPUT;
> +    else if( !strcmp( psz_chroma, "I420" ) )
> +        p_filter->p_sys->i_internal_chroma = GREY;
> +    else if( !strcmp( psz_chroma, "RGB32" ) )
> +        p_filter->p_sys->i_internal_chroma = RGB;
> +    else {
> +        msg_Err( p_filter, "no valid opencv-chroma provided, using 'grey'"
> ); +        p_filter->p_sys->i_internal_chroma = GREY;
>      }
> -    free( psz_chroma);
> 
> -    psz_output = var_InheritString( p_vout, "opencv-output" );
> +    free( psz_chroma );
> +
> +    psz_output = var_InheritString( p_filter, "opencv-output" );
>      if( psz_output == NULL )
>      {
> -        msg_Err( p_vout, "configuration variable %s empty, using 'input'",
> +        msg_Err( p_filter, "configuration variable %s empty, using
> 'input'", "opencv-output" );
> -        p_vout->p_sys->i_wrapper_output = VINPUT;
> -    }
> -    else
> -    {
> -        if( !strcmp( psz_output, "none" ) )
> -            p_vout->p_sys->i_wrapper_output = NONE;
> -        else if( !strcmp( psz_output, "input" ) )
> -            p_vout->p_sys->i_wrapper_output = VINPUT;
> -        else if( !strcmp( psz_output, "processed" ) )
> -            p_vout->p_sys->i_wrapper_output = PROCESSED;
> -        else
> -        {
> -            msg_Err( p_vout, "no valid opencv-output provided, using
> 'input'" ); -            p_vout->p_sys->i_wrapper_output = VINPUT;
> -        }
> +        p_filter->p_sys->i_wrapper_output = VINPUT;
> +    } else if( !strcmp( psz_output, "none" ) )
> +        p_filter->p_sys->i_wrapper_output = NONE;
> +    else if( !strcmp( psz_output, "input" ) )
> +        p_filter->p_sys->i_wrapper_output = VINPUT;
> +    else if( !strcmp( psz_output, "processed" ) )
> +        p_filter->p_sys->i_wrapper_output = PROCESSED;
> +    else {
> +        msg_Err( p_filter, "no valid opencv-output provided, using
> 'input'" ); +        p_filter->p_sys->i_wrapper_output = VINPUT;
>      }
> -    free( psz_output);
> +    free( psz_output );
> 
> -    psz_verbosity = var_InheritString( p_vout, "opencv-verbosity" );
> +    psz_verbosity = var_InheritString( p_filter, "opencv-verbosity" );
>      if( psz_verbosity == NULL )
>      {
> -        msg_Err( p_vout, "configuration variable %s empty, using 'input'",
> +        msg_Err( p_filter, "configuration variable %s empty, using
> 'input'", "opencv-verbosity" );
> -        p_vout->p_sys->i_verbosity = VERB_ERROR;
> +        p_filter->p_sys->i_verbosity = VERB_ERROR;
>      }
>      else
>      {
>          if( !strcmp( psz_verbosity, "error" ) )
> -            p_vout->p_sys->i_verbosity = VERB_ERROR;
> +            p_filter->p_sys->i_verbosity = VERB_ERROR;
>          else if( !strcmp( psz_verbosity, "warning" ) )
> -            p_vout->p_sys->i_verbosity = VERB_WARN;
> +            p_filter->p_sys->i_verbosity = VERB_WARN;
>          else if( !strcmp( psz_verbosity, "debug" ) )
> -            p_vout->p_sys->i_verbosity = VERB_DEBUG;
> +            p_filter->p_sys->i_verbosity = VERB_DEBUG;
>          else
>          {
> -            msg_Err( p_vout, "no valid opencv-verbosity provided, using
> 'error'" ); -            p_vout->p_sys->i_verbosity = VERB_ERROR;
> +            msg_Err( p_filter, "no valid opencv-verbosity provided, using
> 'error'" ); +            p_filter->p_sys->i_verbosity = VERB_ERROR;
>          }
>      }
>      free( psz_verbosity);
> 
> -    p_vout->p_sys->psz_inner_name =
> -        var_InheritString( p_vout, "opencv-filter-name" );
> -    p_vout->p_sys->f_scale =
> -        var_InheritFloat( p_vout, "opencv-scale" );
> +    p_filter->p_sys->psz_inner_name =
> +        var_InheritString( p_filter, "opencv-filter-name" );
> +    p_filter->p_sys->f_scale =
> +        var_InheritFloat( p_filter, "opencv-scale" );
> 
> -    if (p_vout->p_sys->i_verbosity > VERB_WARN)
> -        msg_Info(p_vout, "Configuration: opencv-scale: %f, opencv-chroma:
> %d, " +    if (p_filter->p_sys->i_verbosity > VERB_WARN)
> +        msg_Info(p_filter, "Configuration: opencv-scale: %f,
> opencv-chroma: %d, " "opencv-output: %d, opencv-verbosity %d,
> opencv-filter %s", -            p_vout->p_sys->f_scale,
> -            p_vout->p_sys->i_internal_chroma,
> -            p_vout->p_sys->i_wrapper_output,
> -            p_vout->p_sys->i_verbosity,
> -            p_vout->p_sys->psz_inner_name);
> -
> -    return VLC_SUCCESS;
> -}
> -
> -/*************************************************************************
> **** - * Init: initialize opencv_wrapper video thread output method
> -
> **************************************************************************
> ***/ -static int Init( vout_thread_t *p_vout )
> -{
> -    video_format_t fmt;
> -    vout_sys_t *p_sys = p_vout->p_sys;
> -    I_OUTPUTPICTURES = 0;
> -
> -    /* Initialize the output video format */
> -    memset( &fmt, 0, sizeof(video_format_t) );
> -    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;           //set to input video
> format -
> -    fmt = p_vout->fmt_out;
> -    if (p_sys->i_wrapper_output == PROCESSED)   //set to processed video
> format -    {
> -        fmt.i_width = fmt.i_width * p_sys->f_scale;
> -        fmt.i_height = fmt.i_height * p_sys->f_scale;
> -        fmt.i_visible_width = fmt.i_visible_width * p_sys->f_scale;
> -        fmt.i_visible_height = fmt.i_visible_height * p_sys->f_scale;
> -        fmt.i_x_offset = fmt.i_x_offset * p_sys->f_scale;
> -        fmt.i_y_offset = fmt.i_y_offset * p_sys->f_scale;
> -
> -        if (p_sys->i_internal_chroma == GREY)
> -            fmt.i_chroma = VLC_CODEC_I420;
> -        else if (p_sys->i_internal_chroma == RGB)
> -            fmt.i_chroma = VLC_CODEC_RGB32;
> -    }
> +            p_filter->p_sys->f_scale,
> +            p_filter->p_sys->i_internal_chroma,
> +            p_filter->p_sys->i_wrapper_output,
> +            p_filter->p_sys->i_verbosity,
> +            p_filter->p_sys->psz_inner_name);
> 
>      /* Load the internal opencv filter */
>      /* We don't need to set up video formats for this filter as it not
> actually using a picture_t */
> -    p_sys->p_opencv = vlc_object_create( p_vout, sizeof(filter_t) );
> +    p_filter->p_sys->p_opencv =
> vlc_object_create( p_filter, sizeof(filter_t) );

Use of a separate object still does not seem to make much sense.
Also creating objects in plugins does not work very well anymore.

> +    p_filter->p_sys->p_opencv->p_module = NULL;

Useless.

> -    if (p_vout->p_sys->psz_inner_name)
> -        p_sys->p_opencv->p_module =
> -            module_need( p_sys->p_opencv, p_sys->psz_inner_name, NULL,
> false ); +    if (p_filter->p_sys->psz_inner_name)
> +        p_filter->p_sys->p_opencv->p_module =

Trivially missing error handling... Might crash.

> +            module_need( p_filter->p_sys->p_opencv,
> p_filter->p_sys->psz_inner_name, NULL, false );

Arbitrary module capability is non-sense. Might crash.

> 
> -    if( !p_sys->p_opencv->p_module )
> +    if( !p_filter->p_sys->p_opencv->p_module )
>      {
> -        msg_Err( p_vout, "can't open internal opencv filter: %s",
> p_vout->p_sys->psz_inner_name );
> -        p_vout->p_sys->psz_inner_name = NULL;
> -        vlc_object_release( p_sys->p_opencv );
> -        p_sys->p_opencv = NULL;
> -    }
> +        msg_Err( p_filter, "can't open internal opencv filter: %s",
> p_filter->p_sys->psz_inner_name );
> +       p_filter->p_sys->psz_inner_name = NULL;

Memory leak.

> +        vlc_object_release( p_filter->p_sys->p_opencv );
> +        p_filter->p_sys->p_opencv = NULL;

Useless.

> +        free( p_filter->p_sys );
> 
> -    /* Try to open the real video output */
> -    if (p_sys->i_verbosity > VERB_WARN)
> -        msg_Dbg( p_vout, "spawning the real video output" );
> -
> -    p_vout->p_sys->p_vout = vout_Create( p_vout, &fmt );
> -
> -    /* Everything failed */
> -    if( p_vout->p_sys->p_vout == NULL )
> -    {
> -        msg_Err( p_vout, "can't open vout, aborting" );
> -        return VLC_EGENERIC;
> +        return VLC_ENOMOD;
>      }
> 
> -    vout_filter_AllocateDirectBuffers( p_vout, VOUT_MAX_PICTURES );
> +    /* Try to open the real video output */
> +    if (p_filter->p_sys->i_verbosity > VERB_WARN)
> +        msg_Dbg( p_filter, "spawning the real video output" );
> 
> -    vout_filter_AddChild( p_vout, p_vout->p_sys->p_vout, NULL );
> +    p_filter->pf_video_filter = Filter;
> 
>      return VLC_SUCCESS;
>  }
> 
>  /*************************************************************************
> **** - * End: terminate opencv_wrapper video thread output method
> -
> **************************************************************************
> ***/ -static void End( vout_thread_t *p_vout )
> -{
> -    vout_sys_t *p_sys = p_vout->p_sys;
> -
> -    vout_filter_DelChild( p_vout, p_sys->p_vout, NULL );
> -    vout_CloseAndRelease( p_sys->p_vout );
> -
> -    vout_filter_ReleaseDirectBuffers( p_vout );
> -
> -    if( p_sys->p_opencv )
> -    {
> -        //release the internal opencv filter
> -        if( p_sys->p_opencv->p_module )
> -            module_unneed( p_sys->p_opencv, p_sys->p_opencv->p_module );
> -        vlc_object_release( p_sys->p_opencv );
> -        p_sys->p_opencv = NULL;
> -    }
> -}
> -
> -/*************************************************************************
> **** * Destroy: destroy opencv_wrapper video thread output method
>  
> **************************************************************************
> *** * Terminate an output method created by
> opencv_wrapperCreateOutputMethod
> **************************************************************************
> ***/ static void Destroy( vlc_object_t *p_this )
>  {
> -    vout_thread_t *p_vout = (vout_thread_t *)p_this;
> +    filter_t* p_filter = (filter_t*)p_this;
> +    ReleaseImages( p_filter );
> 
> -    ReleaseImages(p_vout);
> +    // Release the internal OpenCV filter.
> +    module_unneed( p_filter->p_sys->p_opencv,
> p_filter->p_sys->p_opencv->p_module );
> +    vlc_object_release( p_filter->p_sys->p_opencv );
> +    p_filter->p_sys->p_opencv = NULL;
> 
> -    if( p_vout->p_sys->p_image )
> -        image_HandlerDelete( p_vout->p_sys->p_image );
> -
> -    free( p_vout->p_sys );
> +    free( p_filter->p_sys );
>  }
> 
>  /*************************************************************************
> **** - * ReleaseImages: Release OpenCV images in vout_sys_t.
> + * ReleaseImages: Release OpenCV images in filter_sys_t.
>  
> **************************************************************************
> ***/ -static void ReleaseImages(vout_thread_t *p_vout)
> +static void ReleaseImages(filter_t *p_filter)
>  {
> +    filter_sys_t* p_sys = p_filter->p_sys;
> +
>      int i = 0;
> -    if (p_vout->p_sys->p_cv_image)
> +    if (p_sys->p_cv_image)
>      {
>          for (i = 0; i < VOUT_MAX_PLANES; i++)
>          {
> -            if (p_vout->p_sys->p_cv_image[i])
> -                cvReleaseImageHeader(&(p_vout->p_sys->p_cv_image[i]));
> -            p_vout->p_sys->p_cv_image[i] = NULL;
> +            if (p_sys->p_cv_image[i])
> +                cvReleaseImageHeader(&(p_sys->p_cv_image[i]));
> +            p_sys->p_cv_image[i] = NULL;

Should be in the if() statement too.

>          }
>      }
> -    p_vout->p_sys->i_cv_image_size = 0;
> +    p_sys->i_cv_image_size = 0;
> 
>      /* Release temp picture_t if it exists */
> -    if (p_vout->p_sys->p_to_be_freed)
> +    if (p_sys->p_to_be_freed)
>      {
> -        picture_Release( p_vout->p_sys->p_to_be_freed );
> -        p_vout->p_sys->p_to_be_freed = NULL;
> +        picture_Release( p_sys->p_to_be_freed );
> +        p_sys->p_to_be_freed = NULL;
>      }
> -    if (p_vout->p_sys->i_verbosity > VERB_WARN)
> -        msg_Dbg( p_vout, "images released" );
> +    if (p_sys->i_verbosity > VERB_WARN)
> +        msg_Dbg( p_filter, "images released" );
>  }
> 
>  /*************************************************************************
> **** @@ -431,7 +343,7 @@ static void ReleaseImages(vout_thread_t *p_vout) *
> Converts given picture_t into IplImage(s) according to module config. *
> IplImage(s) are stored in vout_sys_t.
>  
> **************************************************************************
> ***/
> -static void VlcPictureToIplImage( vout_thread_t *p_vout, picture_t
> *p_in )
> +static void VlcPictureToIplImage( filter_t* p_filter, picture_t*
> p_in ) {
>      int planes = p_in->i_planes;    //num input video planes
>      // input video size
> @@ -440,7 +352,7 @@ static void VlcPictureToIplImage( vout_thread_t
> *p_vout, picture_t *p_in ) clock_t start, finish;  //performance measures
>      double  duration;
>      int i = 0;
> -    vout_sys_t* p_sys = p_vout->p_sys;
> +    filter_sys_t* p_sys = p_filter->p_sys;
> 
>      memset( &fmt_out, 0, sizeof(video_format_t) );
> 
> @@ -475,7 +387,7 @@ static void VlcPictureToIplImage( vout_thread_t
> *p_vout, picture_t *p_in )
> 
>          if (!p_sys->p_proc_image)
>          {
> -            msg_Err(p_vout, "can't convert (unsupported formats?),
> aborting...");
> +            msg_Err(p_filter, "can't convert (unsupported formats?),
> aborting..."); return;
>          }
> 
> @@ -515,65 +427,55 @@ static void VlcPictureToIplImage( vout_thread_t
> *p_vout, picture_t *p_in ) finish = clock();
>      duration = (double)(finish - start) / CLOCKS_PER_SEC;
>      if (p_sys->i_verbosity > VERB_WARN)
> -        msg_Dbg( p_vout, "VlcPictureToIplImageRgb took %2.4f seconds",
> duration ); +        msg_Dbg( p_filter, "VlcPictureToIplImageRgb took
> %2.4f seconds", duration ); }
> 
>  /*************************************************************************
> **** - * Render: displays previously rendered output
> + * Filter: displays previously rendered output
>  
> **************************************************************************
> *** * This function send the currently rendered image to the internal
> opencv * filter for processing.
>  
> **************************************************************************
> ***/ -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 = NULL;
> -    clock_t start, finish;
> -    double  duration;
> +    picture_t* p_outpic = filter_NewPicture( p_filter );
> 
> -    while( ( p_outpic = vout_CreatePicture( p_vout->p_sys->p_vout, 0, 0, 0
> ) ) -              == NULL )
> -    {
> -        if( !vlc_object_alive (p_vout) || p_vout->b_error )
> -        {   return; }
> -        msleep( VOUT_OUTMEM_SLEEP );
> -    }
> +    clock_t start = clock();

Might easily overflow on 32-bits system.

> 
> -    vout_LinkPicture( p_vout->p_sys->p_vout, p_outpic );
> +    // Make a copy if we want to show the original input
> +    if (p_filter->p_sys->i_wrapper_output == VINPUT)
> +        picture_Copy( p_outpic, p_pic );
> 
> -    start = clock();
> +    VlcPictureToIplImage( p_filter, p_pic );
> +    // Pass the image (as a pointer to the first IplImage*) to the
> +    // internal OpenCV filter for processing.
> +    p_filter->p_sys->p_opencv->pf_video_filter( p_filter->p_sys->p_opencv,
> &(p_filter->p_sys->p_cv_image[0]) );
> 
> -    if (p_vout->p_sys->i_wrapper_output == VINPUT)  //output = input video
> -    {
> -        //This copy is a bit unfortunate but image_Convert can't write
> into an existing image so it is better to copy the -        //(say) 16bit
> YUV image here than a 32bit RGB image somehwere else. -        //It is
> also not that expensive in time.
> -        picture_Copy( p_outpic, p_pic );
> -        VlcPictureToIplImage( p_vout, p_pic);
> -        //pass the image to the internal opencv filter for processing
> -        if ((p_vout->p_sys->p_opencv) &&
> (p_vout->p_sys->p_opencv->p_module)) -           
> p_vout->p_sys->p_opencv->pf_video_filter( p_vout->p_sys->p_opencv,
> &(p_vout->p_sys->hacked_pic)); -    }
> -    else    //output = processed video (NONE option not working yet)
> -    {
> -        VlcPictureToIplImage( p_vout, p_pic);
> -        //pass the image to the internal opencv filter for processing
> -        if ((p_vout->p_sys->p_opencv) &&
> (p_vout->p_sys->p_opencv->p_module)) -           
> p_vout->p_sys->p_opencv->pf_video_filter( p_vout->p_sys->p_opencv,
> &(p_vout->p_sys->hacked_pic)); -        //copy the processed image into
> the output image
> -        if ((p_vout->p_sys->p_proc_image) &&
> (p_vout->p_sys->p_proc_image->i_planes > 0))
> -            picture_Copy(
> p_outpic, p_vout->p_sys->p_proc_image );
> +    if(p_filter->p_sys->i_wrapper_output == PROCESSED) {
> +        // Processed video
> +        if ((p_filter->p_sys->p_proc_image) &&
> (p_filter->p_sys->p_proc_image->i_planes > 0)) { +           
> picture_CopyPixels( p_outpic, p_filter->p_sys->p_proc_image ); +          
>  CopyInfoAndRelease( p_outpic, p_pic );
> +        }
>      }
> 
> +    ReleaseImages( p_filter );
> +
>      //calculate duration
> -    finish = clock();
> -    duration = (double)(finish - start) / CLOCKS_PER_SEC;
> -    if (p_vout->p_sys->i_verbosity > VERB_WARN)
> -        msg_Dbg( p_vout, "Render took %2.4f seconds", duration );
> -
> -    ReleaseImages(p_vout);
> -    p_outpic->date  = p_pic->date;
> -
> -    vout_UnlinkPicture( p_vout->p_sys->p_vout, p_outpic );
> -    vout_DisplayPicture( p_vout->p_sys->p_vout, p_outpic );
> +    clock_t finish = clock();
> +    double duration = (double)(finish - start) / CLOCKS_PER_SEC;
> +    if (p_filter->p_sys->i_verbosity > VERB_WARN)
> +        msg_Dbg( p_filter, "Filter took %2.4f seconds", duration );
> +
> +    if( p_filter->p_sys->i_wrapper_output == VINPUT ) {
> +        picture_Release( p_pic );
> +        return p_outpic;
> +    } else if( p_filter->p_sys->i_wrapper_output == PROCESSED ) {
> +        return p_outpic;
> +    } else { // NONE
> +        picture_Release( p_pic );
> +        picture_Release( p_outpic );
> +        return NULL;
> +    }
>  }


-- 
Rémi Denis-Courmont
C/C++ software engineer looking for a job
http://www.linkedin.com/in/remidenis



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