/*****************************************************************************
* grey_yuv.c : grayscale to others conversion module for vlc
*****************************************************************************
- * Copyright (C) 2007 the VideoLAN team
+ * Copyright (C) 2007, 2008 the VideoLAN team
* $Id$
*
* Authors: Sam Hocevar <sam@zoy.org>
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <string.h> /* strerror() */
-#include <stdlib.h> /* malloc(), free() */
-#include <vlc/vlc.h>
-#include <vlc_vout.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_filter.h>
#define SRC_FOURCC "GREY"
#define DEST_FOURCC "I420,YUY2"
*****************************************************************************/
static int Activate ( vlc_object_t * );
-static void GREY_I420 ( vout_thread_t *, picture_t *, picture_t * );
-static void GREY_YUY2 ( vout_thread_t *, picture_t *, picture_t * );
+static void GREY_I420( filter_t *, picture_t *, picture_t * );
+static void GREY_YUY2( filter_t *, picture_t *, picture_t * );
+
+static picture_t *GREY_I420_Filter( filter_t *, picture_t * );
+static picture_t *GREY_YUY2_Filter( filter_t *, picture_t * );
/*****************************************************************************
* Module descriptor.
*****************************************************************************/
-vlc_module_begin();
- set_description( _("Conversions from " SRC_FOURCC " to " DEST_FOURCC) );
- set_capability( "chroma", 80 );
- set_callbacks( Activate, NULL );
-vlc_module_end();
+vlc_module_begin ()
+ set_description( N_("Conversions from " SRC_FOURCC " to " DEST_FOURCC) )
+ set_capability( "video filter2", 80 )
+ set_callbacks( Activate, NULL )
+vlc_module_end ()
/*****************************************************************************
* Activate: allocate a chroma function
*****************************************************************************/
static int Activate( vlc_object_t *p_this )
{
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
+ filter_t *p_filter = (filter_t *)p_this;
- if( p_vout->render.i_width & 1 || p_vout->render.i_height & 1 )
+ if( p_filter->fmt_out.video.i_width & 1
+ || p_filter->fmt_out.video.i_height & 1 )
{
return -1;
}
- switch( p_vout->render.i_chroma )
+ if( p_filter->fmt_in.video.i_width != p_filter->fmt_out.video.i_width
+ || p_filter->fmt_in.video.i_height != p_filter->fmt_out.video.i_height )
+ return -1;
+
+ switch( p_filter->fmt_in.video.i_chroma )
{
- case VLC_FOURCC('G','R','E','Y'):
- switch( p_vout->output.i_chroma )
+ case VLC_CODEC_GREY:
+ switch( p_filter->fmt_out.video.i_chroma )
{
- case VLC_FOURCC('I','4','2','0'):
- p_vout->chroma.pf_convert = GREY_I420;
+ case VLC_CODEC_I420:
+ p_filter->pf_video_filter = GREY_I420_Filter;
break;
- case VLC_FOURCC('Y','U','Y','2'):
- p_vout->chroma.pf_convert = GREY_YUY2;
+ case VLC_CODEC_YUYV:
+ p_filter->pf_video_filter = GREY_YUY2_Filter;
break;
default:
return -1;
return 0;
}
+VIDEO_FILTER_WRAPPER( GREY_I420 )
+VIDEO_FILTER_WRAPPER( GREY_YUY2 )
+
/* Following functions are local */
/*****************************************************************************
* GREY_I420: 8-bit grayscale to planar YUV 4:2:0
*****************************************************************************/
-static void GREY_I420( vout_thread_t *p_vout, picture_t *p_source,
- picture_t *p_dest )
+static void GREY_I420( filter_t *p_filter, picture_t *p_source,
+ picture_t *p_dest )
{
uint8_t *p_line = p_source->p->p_pixels;
uint8_t *p_y = p_dest->Y_PIXELS;
const int i_dest_margin_c = p_dest->p[1].i_pitch
- p_dest->p[1].i_visible_pitch;
- for( i_y = p_vout->render.i_height / 2; i_y-- ; )
+ for( i_y = p_filter->fmt_in.video.i_height / 2; i_y-- ; )
{
memset(p_u, 0x80, p_dest->p[1].i_visible_pitch);
p_u += i_dest_margin_c;
p_v += i_dest_margin_c;
}
- for( i_y = p_vout->render.i_height; i_y-- ; )
+ for( i_y = p_filter->fmt_in.video.i_height; i_y-- ; )
{
- for( i_x = p_vout->render.i_width / 8; i_x-- ; )
+ for( i_x = p_filter->fmt_in.video.i_width / 8; i_x-- ; )
{
*p_y++ = *p_line++; *p_y++ = *p_line++;
*p_y++ = *p_line++; *p_y++ = *p_line++;
*p_y++ = *p_line++; *p_y++ = *p_line++;
}
- for( i_x = p_vout->render.i_width % 8; i_x-- ; )
+ for( i_x = p_filter->fmt_in.video.i_width % 8; i_x-- ; )
{
*p_y++ = *p_line++;
}
/*****************************************************************************
* GREY_YUY2: 8-bit grayscale to packed YUY2
*****************************************************************************/
-static void GREY_YUY2( vout_thread_t *p_vout, picture_t *p_source,
- picture_t *p_dest )
+static void GREY_YUY2( filter_t *p_filter, picture_t *p_source,
+ picture_t *p_dest )
{
uint8_t *p_in = p_source->p->p_pixels;
uint8_t *p_out = p_dest->p->p_pixels;
const int i_dest_margin = p_dest->p->i_pitch
- p_dest->p->i_visible_pitch;
- for( i_y = p_vout->render.i_height; i_y-- ; )
+ for( i_y = p_filter->fmt_out.video.i_height; i_y-- ; )
{
- for( i_x = p_vout->render.i_width / 8; i_x-- ; )
+ for( i_x = p_filter->fmt_out.video.i_width / 8; i_x-- ; )
{
*p_out++ = *p_in++; *p_out++ = 0x80;
*p_out++ = *p_in++; *p_out++ = 0x80;
*p_out++ = *p_in++; *p_out++ = 0x80;
}
- for( i_x = (p_vout->render.i_width % 8) / 2; i_x-- ; )
+ for( i_x = (p_filter->fmt_out.video.i_width % 8) / 2; i_x-- ; )
{
*p_out++ = *p_in++; *p_out++ = 0x80;
*p_out++ = *p_in++; *p_out++ = 0x80;