#include <vlc/vlc.h>
#include <vlc_vout.h>
+#ifdef HAVE_FFMPEG_SWSCALE_H
+#include <vlc_filter.h>
+#endif
+
/* ffmpeg header */
#ifdef HAVE_FFMPEG_AVCODEC_H
# include <ffmpeg/avcodec.h>
}
free( p_vout->chroma.p_sys );
}
+#else
+
+static void ChromaConversion( vout_thread_t *, picture_t *, picture_t * );
+
+/*****************************************************************************
+ * chroma_sys_t: chroma method descriptor
+ *****************************************************************************
+ * This structure is part of the chroma transformation descriptor, it
+ * describes the chroma plugin specific properties.
+ *****************************************************************************/
+struct chroma_sys_t
+{
+ filter_t *p_swscaler;
+};
+
+/*****************************************************************************
+ * Video Filter2 functions
+ *****************************************************************************/
+struct filter_owner_sys_t
+{
+ vout_thread_t *p_vout;
+};
+
+static picture_t *video_new_buffer_filter( filter_t *p_filter )
+{
+ picture_t *p_picture;
+ vout_thread_t *p_vout = p_filter->p_owner->p_vout;
+
+ p_picture = vout_CreatePicture( p_vout, 0, 0, 0 );
+
+ return p_picture;
+}
+
+static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
+{
+ vout_DestroyPicture( p_filter->p_owner->p_vout, p_pic );
+}
+
+/*****************************************************************************
+ * OpenChroma: allocate a chroma function
+ *****************************************************************************
+ * This function allocates and initializes a chroma function
+ *****************************************************************************/
+int E_(OpenChroma)( vlc_object_t *p_this )
+{
+ vout_thread_t *p_vout = (vout_thread_t *)p_this;
+ chroma_sys_t *p_sys = p_vout->chroma.p_sys;
+
+ p_vout->chroma.p_sys = p_sys = malloc( sizeof( chroma_sys_t ) );
+ if( p_vout->chroma.p_sys == NULL )
+ {
+ return VLC_ENOMEM;
+ }
+ p_vout->chroma.pf_convert = ChromaConversion;
+
+ p_sys->p_swscaler = vlc_object_create( p_vout, VLC_OBJECT_FILTER );
+ vlc_object_attach( p_sys->p_swscaler, p_vout );
+
+ p_sys->p_swscaler->pf_vout_buffer_new = video_new_buffer_filter;
+ p_sys->p_swscaler->pf_vout_buffer_del = video_del_buffer_filter;
+
+ p_sys->p_swscaler->fmt_out.video.i_x_offset =
+ p_sys->p_swscaler->fmt_out.video.i_y_offset = 0;
+ p_sys->p_swscaler->fmt_in.video = p_vout->fmt_in;
+ p_sys->p_swscaler->fmt_out.video = p_vout->fmt_out;
+ p_sys->p_swscaler->fmt_out.video.i_aspect = p_vout->render.i_aspect;
+ p_sys->p_swscaler->fmt_in.video.i_chroma = p_vout->render.i_chroma;
+ p_sys->p_swscaler->fmt_out.video.i_chroma = p_vout->output.i_chroma;
+
+ p_sys->p_swscaler->p_module = module_Need( p_sys->p_swscaler,
+ "video filter2", 0, 0 );
+
+ if( p_sys->p_swscaler->p_module )
+ {
+ p_sys->p_swscaler->p_owner =
+ malloc( sizeof( filter_owner_sys_t ) );
+ if( p_sys->p_swscaler->p_owner )
+ p_sys->p_swscaler->p_owner->p_vout = p_vout;
+ }
+
+ if( !p_sys->p_swscaler->p_module || !p_sys->p_swscaler->p_owner )
+ {
+ vlc_object_detach( p_sys->p_swscaler );
+ vlc_object_destroy( p_sys->p_swscaler );
+ free( p_vout->chroma.p_sys );
+ return VLC_EGENERIC;
+ }
+
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * ChromaConversion: actual chroma conversion function
+ *****************************************************************************/
+static void ChromaConversion( vout_thread_t *p_vout,
+ picture_t *p_src, picture_t *p_dest )
+{
+ chroma_sys_t *p_sys = (chroma_sys_t *) p_vout->chroma.p_sys;
+
+ if( p_sys && p_src && p_dest &&
+ p_sys->p_swscaler && p_sys->p_swscaler->p_module )
+ {
+ picture_t *p_pic;
+#if 0
+ p_pic = (picture_t *) malloc( sizeof( picture_t ) );
+ if( p_pic )
+ {
+ memset( p_pic, 0, sizeof( picture_t ) );
+ vout_AllocatePicture( VLC_OBJECT(p_vout),
+ p_pic, p_vout->fmt_in.i_chroma,
+ p_vout->fmt_in.i_width,
+ p_vout->fmt_in.i_height,
+ p_vout->fmt_in.i_aspect );
+ if( !p_pic->i_planes )
+ {
+ free( p_pic->p_data_orig );
+ free( p_pic );
+ }
+ else
+ {
+ vout_CopyPicture( p_vout, p_pic, p_src );
+ p_sys->p_swscaler->fmt_in.video = p_vout->fmt_in;
+ p_sys->p_swscaler->fmt_out.video = p_vout->fmt_out;
+ p_pic = p_sys->p_swscaler->pf_video_filter( p_sys->p_swscaler, p_pic );
+ if( p_pic )
+ {
+ vout_CopyPicture( p_vout, p_dest, p_pic );
+ free( p_pic->p_data_orig );
+ if( p_pic->pf_release ) p_pic->pf_release( p_pic );
+ }
+ }
+ }
+#else
+ p_sys->p_swscaler->fmt_in.video = p_vout->fmt_in;
+ p_sys->p_swscaler->fmt_out.video = p_vout->fmt_out;
+
+ msg_Dbg( p_vout, "chroma %4.4s (%d) to %4.4s (%d)",
+ (char *)&p_vout->fmt_in.i_chroma, p_src->i_planes,
+ (char *)&p_vout->fmt_out.i_chroma, p_dest->i_planes );
+ p_pic = p_sys->p_swscaler->pf_video_filter( (filter_t*)p_sys->p_swscaler, p_src );
+ if( p_pic )
+ {
+ vout_CopyPicture( p_vout, p_dest, p_pic );
+ free( p_pic->p_data_orig );
+ if( p_pic->pf_release ) p_pic->pf_release( p_pic );
+ }
+#endif
+ }
+}
+
+/*****************************************************************************
+ * CloseChroma: free the chroma function
+ *****************************************************************************
+ * This function frees the previously allocated chroma function
+ *****************************************************************************/
+void E_(CloseChroma)( vlc_object_t *p_this )
+{
+ vout_thread_t *p_vout = (vout_thread_t *)p_this;
+ chroma_sys_t *p_sys = (chroma_sys_t *)p_vout->chroma.p_sys;
+ if( p_sys->p_swscaler && p_sys->p_swscaler->p_module )
+ {
+ free( p_sys->p_swscaler->p_owner );
+ module_Unneed( p_sys->p_swscaler, p_sys->p_swscaler->p_module );
+ vlc_object_detach( p_sys->p_swscaler );
+ vlc_object_destroy( p_sys->p_swscaler );
+ p_sys->p_swscaler= NULL;
+ }
+ free( p_vout->chroma.p_sys );
+}
+
#endif /* !defined(HAVE_FFMPEG_SWSCALE_H) && !defined(HAVE_LIBSWSCALE_TREE) */