picture_t * (*pf_convert) ( image_handler_t *, picture_t *,
video_format_t *, video_format_t * );
+ picture_t * (*pf_filter) ( image_handler_t *, picture_t *,
+ video_format_t *, const char * );
/* Private properties */
vlc_object_t *p_parent;
#define image_Write( a, b, c, d ) a->pf_write( a, b, c, d )
#define image_WriteUrl( a, b, c, d, e ) a->pf_write_url( a, b, c, d, e )
#define image_Convert( a, b, c, d ) a->pf_convert( a, b, c, d )
+#define image_Filter( a, b, c, d ) a->pf_filter( a, b, c, d )
# ifdef __cplusplus
}
static picture_t *ImageConvert( image_handler_t *, picture_t *,
video_format_t *, video_format_t * );
+static picture_t *ImageFilter( image_handler_t *, picture_t *,
+ video_format_t *, const char *psz_module );
static decoder_t *CreateDecoder( vlc_object_t *, video_format_t * );
static void DeleteDecoder( decoder_t * );
video_format_t * );
static void DeleteEncoder( encoder_t * );
static filter_t *CreateFilter( vlc_object_t *, es_format_t *,
- video_format_t * );
+ video_format_t *, const char * );
static void DeleteFilter( filter_t * );
static vlc_fourcc_t Ext2Fourcc( const char * );
p_image->pf_write = ImageWrite;
p_image->pf_write_url = ImageWriteUrl;
p_image->pf_convert = ImageConvert;
+ p_image->pf_filter = ImageFilter;
return p_image;
}
if( !p_fmt_out->i_chroma )
p_fmt_out->i_chroma = p_image->p_dec->fmt_out.video.i_chroma;
+ if( !p_fmt_out->i_width && p_fmt_out->i_height )
+ p_fmt_out->i_width = p_fmt_out->i_height
+ * p_image->p_dec->fmt_out.video.i_aspect
+ / VOUT_ASPECT_FACTOR;
+ if( !p_fmt_out->i_height && p_fmt_out->i_width )
+ p_fmt_out->i_height = p_fmt_out->i_width * VOUT_ASPECT_FACTOR
+ / p_image->p_dec->fmt_out.video.i_aspect;
if( !p_fmt_out->i_width )
p_fmt_out->i_width = p_image->p_dec->fmt_out.video.i_width;
if( !p_fmt_out->i_height )
{
p_image->p_filter =
CreateFilter( p_image->p_parent, &p_image->p_dec->fmt_out,
- p_fmt_out );
+ p_fmt_out, NULL );
if( !p_image->p_filter )
{
p_image->p_filter =
CreateFilter( p_image->p_parent, &fmt_in,
- &p_image->p_enc->fmt_in.video );
+ &p_image->p_enc->fmt_in.video, NULL );
if( !p_image->p_filter )
{
fmt_in.video = *p_fmt_in;
p_image->p_filter =
- CreateFilter( p_image->p_parent, &fmt_in, p_fmt_out );
+ CreateFilter( p_image->p_parent, &fmt_in, p_fmt_out, NULL );
if( !p_image->p_filter )
{
return p_pif;
}
+/**
+ * Filter an image with a psz_module filter
+ *
+ */
+
+static picture_t *ImageFilter( image_handler_t *p_image, picture_t *p_pic,
+ video_format_t *p_fmt, const char *psz_module )
+{
+ void (*pf_release)( picture_t * );
+ picture_t *p_pif;
+
+ /* Start a filter */
+ if( !p_image->p_filter )
+ {
+ es_format_t fmt;
+ es_format_Init( &fmt, VIDEO_ES, p_fmt->i_chroma );
+ fmt.video = *p_fmt;
+
+ p_image->p_filter =
+ CreateFilter( p_image->p_parent, &fmt, &fmt.video, psz_module );
+
+ if( !p_image->p_filter )
+ {
+ return NULL;
+ }
+ }
+ else
+ {
+ /* Filters should handle on-the-fly size changes */
+ p_image->p_filter->fmt_in.video = *p_fmt;
+ p_image->p_filter->fmt_out.video = *p_fmt;
+ }
+
+ pf_release = p_pic->pf_release;
+ p_pic->pf_release = PicRelease; /* Small hack */
+ p_pif = p_image->p_filter->pf_video_filter( p_image->p_filter, p_pic );
+ p_pic->pf_release = pf_release;
+
+ return p_pif;
+}
+
/**
* Misc functions
*
}
static filter_t *CreateFilter( vlc_object_t *p_this, es_format_t *p_fmt_in,
- video_format_t *p_fmt_out )
+ video_format_t *p_fmt_out,
+ const char *psz_module )
{
filter_t *p_filter;
p_filter->fmt_out = *p_fmt_in;
p_filter->fmt_out.i_codec = p_fmt_out->i_chroma;
p_filter->fmt_out.video = *p_fmt_out;
- p_filter->p_module = module_Need( p_filter, "video filter2", 0, 0 );
+ p_filter->p_module = module_Need( p_filter, "video filter2", psz_module,
+ 0 );
if( !p_filter->p_module )
{