[vlc-devel] [PATCH 1/2] opencv_wrapper: fix compilation

Romain Vimont rom1v at videolabs.io
Fri Apr 27 10:19:15 CEST 2018


On Fri, Apr 27, 2018 at 10:10:36AM +0800, Zhao Zhili wrote:
> ---
>  modules/video_filter/opencv_wrapper.c | 110 +++++++++++++++++-----------------
>  1 file changed, 56 insertions(+), 54 deletions(-)
> 
> diff --git a/modules/video_filter/opencv_wrapper.c b/modules/video_filter/opencv_wrapper.c
> index 525e55d..f4d7be7 100644
> --- a/modules/video_filter/opencv_wrapper.c
> +++ b/modules/video_filter/opencv_wrapper.c
> @@ -151,11 +151,12 @@ struct filter_sys_t
>  static int Create( vlc_object_t *p_this )
>  {
>      filter_t* p_filter = (filter_t*)p_this;
> +    filter_sys_t *p_sys;
>      char *psz_chroma, *psz_output;
>  
>      /* Allocate structure */
> -    p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
> -    if( p_filter->p_sys == NULL )
> +    p_sys = malloc( sizeof( filter_sys_t ) );
> +    if( p_sys == NULL )
>          return VLC_ENOMEM;
>  
>      /* Load the internal OpenCV filter.
> @@ -167,39 +168,38 @@ static int Create( vlc_object_t *p_this )
>       * We don't need to set up video formats for this filter as it not
>       * actually using a picture_t.
>       */
> -    p_filter->p_sys->p_opencv = vlc_object_create( p_filter, sizeof(filter_t) );
> -    if( !p_filter->p_sys->p_opencv ) {
> -        free( p_filter->p_sys );
> +    p_sys->p_opencv = vlc_object_create( p_filter, sizeof(filter_t) );
> +    if( !p_sys->p_opencv ) {
> +        free( p_sys );
>          return VLC_ENOMEM;
>      }
>  
> -    p_filter->p_sys->psz_inner_name = var_InheritString( p_filter, "opencv-filter-name" );
> -    if( p_filter->p_sys->psz_inner_name )
> -        p_filter->p_sys->p_opencv->p_module =
> -            module_need( p_filter->p_sys->p_opencv,
> +    p_sys->psz_inner_name = var_InheritString( p_filter, "opencv-filter-name" );
> +    if( p_sys->psz_inner_name )
> +        p_sys->p_opencv->p_module =
> +            module_need( p_sys->p_opencv,
>                           "opencv internal filter",
> -                         p_filter->p_sys->psz_inner_name,
> +                         p_sys->psz_inner_name,
>                           true );
>  
> -    if( !p_filter->p_sys->p_opencv->p_module )
> +    if( !p_sys->p_opencv->p_module )
>      {
> -        msg_Err( p_filter, "can't open internal opencv filter: %s", p_filter->p_sys->psz_inner_name );
> -        free( p_filter->p_sys->psz_inner_name );
> -        p_filter->p_sys->psz_inner_name = NULL;
> -        vlc_object_release( p_filter->p_sys->p_opencv );
> -        free( p_filter->p_sys );
> +        msg_Err( p_filter, "can't open internal opencv filter: %s", p_sys->psz_inner_name );
> +        free( p_sys->psz_inner_name );
> +        vlc_object_release( p_sys->p_opencv );
> +        free( p_sys );
>  
>          return VLC_ENOMOD;
>      }
>  
>  
>      /* Init structure */
> -    p_filter->p_sys->p_image = image_HandlerCreate( p_filter );
> +    p_sys->p_image = image_HandlerCreate( p_filter );
>      for( int i = 0; i < VOUT_MAX_PLANES; i++ )
> -        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;
> +        p_sys->p_cv_image[i] = NULL;
> +    p_sys->p_proc_image = NULL;
> +    p_sys->p_to_be_freed = NULL;
> +    p_sys->i_cv_image_size = 0;
>  
>      /* Retrieve and apply config */
>      psz_chroma = var_InheritString( p_filter, "opencv-chroma" );
> @@ -207,16 +207,16 @@ static int Create( vlc_object_t *p_this )
>      {
>          msg_Err( p_filter, "configuration variable %s empty, using 'grey'",
>                           "opencv-chroma" );
> -        p_filter->p_sys->i_internal_chroma = GREY;
> +        p_sys->i_internal_chroma = GREY;
>      } else if( !strcmp( psz_chroma, "input" ) )
> -        p_filter->p_sys->i_internal_chroma = CINPUT;
> +        p_sys->i_internal_chroma = CINPUT;
>      else if( !strcmp( psz_chroma, "I420" ) )
> -        p_filter->p_sys->i_internal_chroma = GREY;
> +        p_sys->i_internal_chroma = GREY;
>      else if( !strcmp( psz_chroma, "RGB32" ) )
> -        p_filter->p_sys->i_internal_chroma = RGB;
> +        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;
> +        p_sys->i_internal_chroma = GREY;
>      }
>  
>      free( psz_chroma );
> @@ -226,33 +226,34 @@ static int Create( vlc_object_t *p_this )
>      {
>          msg_Err( p_filter, "configuration variable %s empty, using 'input'",
>                           "opencv-output" );
> -        p_filter->p_sys->i_wrapper_output = VINPUT;
> +        p_sys->i_wrapper_output = VINPUT;
>      } else if( !strcmp( psz_output, "none" ) )
> -        p_filter->p_sys->i_wrapper_output = NONE;
> +        p_sys->i_wrapper_output = NONE;
>      else if( !strcmp( psz_output, "input" ) )
> -        p_filter->p_sys->i_wrapper_output = VINPUT;
> +        p_sys->i_wrapper_output = VINPUT;
>      else if( !strcmp( psz_output, "processed" ) )
> -        p_filter->p_sys->i_wrapper_output = PROCESSED;
> +        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;
> +        p_sys->i_wrapper_output = VINPUT;
>      }
>      free( psz_output );
>  
> -    p_filter->p_sys->f_scale =
> +    p_sys->f_scale =
>          var_InheritFloat( p_filter, "opencv-scale" );
>  
>      msg_Info(p_filter, "Configuration: opencv-scale: %f, opencv-chroma: %d, "
>          "opencv-output: %d, opencv-filter %s",
> -        p_filter->p_sys->f_scale,
> -        p_filter->p_sys->i_internal_chroma,
> -        p_filter->p_sys->i_wrapper_output,
> -        p_filter->p_sys->psz_inner_name);
> +        p_sys->f_scale,
> +        p_sys->i_internal_chroma,
> +        p_sys->i_wrapper_output,
> +        p_sys->psz_inner_name);
>  
>  #ifndef NDEBUG
>      msg_Dbg( p_filter, "opencv_wrapper successfully started" );
>  #endif
>  
> +    p_filter->p_sys = p_sys;
>      p_filter->pf_video_filter = Filter;
>  
>      return VLC_SUCCESS;
> @@ -266,14 +267,14 @@ static int Create( vlc_object_t *p_this )
>  static void Destroy( vlc_object_t *p_this )
>  {
>      filter_t* p_filter = (filter_t*)p_this;
> +    filter_sys_t *p_sys = p_filter->p_sys;
>      ReleaseImages( p_filter );
>  
>      // 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;
> +    module_unneed( p_sys->p_opencv, p_sys->p_opencv->p_module );
> +    vlc_object_release( p_sys->p_opencv );
>  
> -    free( p_filter->p_sys );
> +    free( p_sys );
>  }
>  
>  /*****************************************************************************
> @@ -403,6 +404,7 @@ static void VlcPictureToIplImage( filter_t* p_filter, picture_t* p_in )
>   *****************************************************************************/
>  static picture_t* Filter( filter_t* p_filter, picture_t* p_pic )
>  {
> +    filter_sys_t *p_sys = p_filter->p_sys;
>      picture_t* p_outpic = filter_NewPicture( p_filter );
>      if( p_outpic == NULL ) {
>          msg_Err( p_filter, "couldn't get a p_outpic!" );
> @@ -413,20 +415,20 @@ static picture_t* Filter( filter_t* p_filter, picture_t* p_pic )
>      video_format_t fmt_out;
>  
>      // Make a copy if we want to show the original input
> -    if (p_filter->p_sys->i_wrapper_output == VINPUT)
> +    if (p_sys->i_wrapper_output == VINPUT)
>          picture_Copy( p_outpic, p_pic );
>  
>      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, (picture_t*)&(p_filter->p_sys->p_cv_image[0]) );
> +    p_sys->p_opencv->pf_video_filter( p_sys->p_opencv, (picture_t*)&(p_sys->p_cv_image[0]) );
>  
> -    if(p_filter->p_sys->i_wrapper_output == PROCESSED) {
> +    if(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) &&
> -            (p_filter->p_sys->i_internal_chroma != CINPUT) ) {
> -            //p_filter->p_sys->p_proc_image->format.i_chroma = VLC_CODEC_RGB24;
> +        if( (p_sys->p_proc_image) &&
> +            (p_sys->p_proc_image->i_planes > 0) &&
> +            (p_sys->i_internal_chroma != CINPUT) ) {
> +            //p_sys->p_proc_image->format.i_chroma = VLC_CODEC_RGB24;
>  
>              memset( &fmt_out, 0, sizeof(video_format_t) );
>              fmt_out = p_pic->format;
> @@ -438,16 +440,16 @@ static picture_t* Filter( filter_t* p_filter, picture_t* p_pic )
>               * main video output error: pictures leaked, trying to workaround
>               */
>              picture_t* p_outpic_tmp = image_Convert(
> -                        p_filter->p_sys->p_image,
> -                        p_filter->p_sys->p_proc_image,
> -                        &(p_filter->p_sys->p_proc_image->format),
> +                        p_sys->p_image,
> +                        p_sys->p_proc_image,
> +                        &(p_sys->p_proc_image->format),
>                          &fmt_out );
>  
>              picture_CopyPixels( p_outpic, p_outpic_tmp );
>              CopyInfoAndRelease( p_outpic, p_outpic_tmp );
> -        } else if( p_filter->p_sys->i_internal_chroma == CINPUT ) {
> -            picture_CopyPixels( p_outpic, p_filter->p_sys->p_proc_image );
> -            picture_CopyProperties( p_outpic, p_filter->p_sys->p_proc_image );
> +        } else if( p_sys->i_internal_chroma == CINPUT ) {
> +            picture_CopyPixels( p_outpic, p_sys->p_proc_image );
> +            picture_CopyProperties( p_outpic, p_sys->p_proc_image );
>          }
>      }
>  
> @@ -458,7 +460,7 @@ static picture_t* Filter( filter_t* p_filter, picture_t* p_pic )
>      msg_Dbg( p_filter, "Filter() done" );
>  #endif
>  
> -    if( p_filter->p_sys->i_wrapper_output != NONE ) {
> +    if( p_sys->i_wrapper_output != NONE ) {
>          return p_outpic;
>      } else { // NONE
>          picture_Release( p_outpic );
> -- 
> 2.9.5
> 

Thank you for the fix.

LGTM for both.


More information about the vlc-devel mailing list