+++ /dev/null
-/*****************************************************************************
- * chroma.c: chroma conversion using ffmpeg library
- *****************************************************************************
- * Copyright (C) 1999-2008 the VideoLAN team
- * $Id$
- *
- * Authors: Gildas Bazin <gbazin@videolan.org>
- *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
-
-/*****************************************************************************
- * Preamble
- *****************************************************************************/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <vlc_common.h>
-#include <vlc_vout.h>
-#include <vlc_filter.h>
-
-/* ffmpeg header */
-#ifdef HAVE_LIBAVCODEC_AVCODEC_H
-# include <libavcodec/avcodec.h>
-#elif defined(HAVE_FFMPEG_AVCODEC_H)
-# include <ffmpeg/avcodec.h>
-#else
-# include <avcodec.h>
-#endif
-
-#include "chroma.h"
-
-static void ChromaConversion( filter_t *, picture_t *, picture_t * );
-static picture_t *ChromaConversion_Filter( filter_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 filter_sys_t
-{
- int i_src_vlc_chroma;
- int i_src_ffmpeg_chroma;
- int i_dst_vlc_chroma;
- int i_dst_ffmpeg_chroma;
- AVPicture tmp_pic;
- ImgReSampleContext *p_rsc;
-};
-
-/*****************************************************************************
- * OpenChroma: allocate a chroma function
- *****************************************************************************
- * This function allocates and initializes a chroma function
- *****************************************************************************/
-int OpenChroma( vlc_object_t *p_this )
-{
- filter_t *p_filter = (filter_t *)p_this;
- int i_ffmpeg_chroma[2], i_vlc_chroma[2], i;
-
- /*
- * Check the source chroma first, then the destination chroma
- */
- i_vlc_chroma[0] = p_filter->fmt_in.video.i_chroma;
- i_vlc_chroma[1] = p_filter->fmt_out.video.i_chroma;
- for( i = 0; i < 2; i++ )
- {
- i_ffmpeg_chroma[i] = GetFfmpegChroma( i_vlc_chroma[i] );
- if( i_ffmpeg_chroma[i] < 0 ) return VLC_EGENERIC;
- }
-
- p_filter->pf_video_filter = ChromaConversion_Filter;
-
- p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
- if( p_filter->p_sys == NULL )
- {
- return VLC_ENOMEM;
- }
-
- p_filter->p_sys->i_src_vlc_chroma = p_filter->fmt_in.video.i_chroma;
- p_filter->p_sys->i_dst_vlc_chroma = p_filter->fmt_out.video.i_chroma;
- p_filter->p_sys->i_src_ffmpeg_chroma = i_ffmpeg_chroma[0];
- p_filter->p_sys->i_dst_ffmpeg_chroma = i_ffmpeg_chroma[1];
-
- if( ( p_filter->fmt_in.video.i_height != p_filter->fmt_out.video.i_height ||
- p_filter->fmt_in.video.i_width != p_filter->fmt_out.video.i_width ) &&
- ( p_filter->p_sys->i_dst_vlc_chroma == VLC_FOURCC('I','4','2','0') ||
- p_filter->p_sys->i_dst_vlc_chroma == VLC_FOURCC('Y','V','1','2') ))
- {
- msg_Dbg( p_filter, "preparing to resample picture" );
- p_filter->p_sys->p_rsc =
- img_resample_init( p_filter->fmt_out.video.i_width,
- p_filter->fmt_out.video.i_height,
- p_filter->fmt_in.video.i_width,
- p_filter->fmt_in.video.i_height );
- avpicture_alloc( &p_filter->p_sys->tmp_pic,
- p_filter->p_sys->i_dst_ffmpeg_chroma,
- p_filter->fmt_in.video.i_width,
- p_filter->fmt_in.video.i_height );
- }
- else
- {
- msg_Dbg( p_filter, "no resampling" );
- p_filter->p_sys->p_rsc = NULL;
- }
-
- return VLC_SUCCESS;
-}
-
-VIDEO_FILTER_WRAPPER( ChromaConversion )
-
-/*****************************************************************************
- * ChromaConversion: actual chroma conversion function
- *****************************************************************************/
-static void ChromaConversion( filter_t *p_filter,
- picture_t *p_src, picture_t *p_dest )
-{
- AVPicture src_pic;
- AVPicture dest_pic;
- int i;
-
- /* Prepare the AVPictures for converion */
- for( i = 0; i < p_src->i_planes; i++ )
- {
- src_pic.data[i] = p_src->p[i].p_pixels;
- src_pic.linesize[i] = p_src->p[i].i_pitch;
- }
- for( i = 0; i < p_dest->i_planes; i++ )
- {
- dest_pic.data[i] = p_dest->p[i].p_pixels;
- dest_pic.linesize[i] = p_dest->p[i].i_pitch;
- }
-
- /* Special cases */
- if( p_filter->p_sys->i_src_vlc_chroma == VLC_FOURCC('Y','V','1','2') ||
- p_filter->p_sys->i_src_vlc_chroma == VLC_FOURCC('Y','V','U','9') )
- {
- /* Invert U and V */
- src_pic.data[1] = p_src->p[2].p_pixels;
- src_pic.data[2] = p_src->p[1].p_pixels;
- }
- if( p_filter->p_sys->i_dst_vlc_chroma == VLC_FOURCC('Y','V','1','2') ||
- p_filter->p_sys->i_dst_vlc_chroma == VLC_FOURCC('Y','V','U','9') )
- {
- /* Invert U and V */
- dest_pic.data[1] = p_dest->p[2].p_pixels;
- dest_pic.data[2] = p_dest->p[1].p_pixels;
- }
- if( p_filter->p_sys->i_src_ffmpeg_chroma == PIX_FMT_RGB24 )
- if( p_filter->fmt_in.video.i_bmask == 0x00ff0000 )
- p_filter->p_sys->i_src_ffmpeg_chroma = PIX_FMT_BGR24;
-
- if( p_filter->p_sys->p_rsc )
- {
- img_convert( &p_filter->p_sys->tmp_pic,
- p_filter->p_sys->i_dst_ffmpeg_chroma,
- &src_pic, p_filter->p_sys->i_src_ffmpeg_chroma,
- p_filter->fmt_in.video.i_width,
- p_filter->fmt_in.video.i_height );
- img_resample( p_filter->p_sys->p_rsc, &dest_pic,
- &p_filter->p_sys->tmp_pic );
- }
- else
- {
- img_convert( &dest_pic, p_filter->p_sys->i_dst_ffmpeg_chroma,
- &src_pic, p_filter->p_sys->i_src_ffmpeg_chroma,
- p_filter->fmt_in.video.i_width,
- p_filter->fmt_in.video.i_height );
- }
-}
-
-/*****************************************************************************
- * CloseChroma: free the chroma function
- *****************************************************************************
- * This function frees the previously allocated chroma function
- *****************************************************************************/
-void CloseChroma( vlc_object_t *p_this )
-{
- filter_t *p_filter = (filter_t *)p_this;
- if( p_filter->p_sys->p_rsc )
- {
- img_resample_close( p_filter->p_sys->p_rsc );
- avpicture_free( &p_filter->p_sys->tmp_pic );
- }
- free( p_filter->p_sys );
-}
#include <vlc_common.h>
#include <vlc_plugin.h>
-#include <vlc_codec.h>
+#include <vlc_vout.h>
+#include <vlc_filter.h>
-#include "imgresample.h"
+/* ffmpeg header */
+#ifdef HAVE_LIBAVCODEC_AVCODEC_H
+# include <libavcodec/avcodec.h>
+#elif defined(HAVE_FFMPEG_AVCODEC_H)
+# include <ffmpeg/avcodec.h>
+#else
+# include <avcodec.h>
+#endif
+
+#include "chroma.h"
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static int OpenFilter( vlc_object_t * );
+static void CloseFilter( vlc_object_t * );
+
+static void Conversion( filter_t *, picture_t *, picture_t * );
+static picture_t *Conversion_Filter( filter_t *, picture_t * );
/*****************************************************************************
* Module descriptor
set_capability( "video filter2", 50 );
set_callbacks( OpenFilter, CloseFilter );
set_description( N_("FFmpeg video filter") );
+vlc_module_end();
+
+/*****************************************************************************
+ * chroma_sys_t: chroma method descriptor
+ *****************************************************************************
+ * This structure is part of the chroma transformation descriptor, it
+ * describes the chroma plugin specific properties.
+ *****************************************************************************/
+struct filter_sys_t
+{
+ int i_src_vlc_chroma;
+ int i_src_ffmpeg_chroma;
+ int i_dst_vlc_chroma;
+ int i_dst_ffmpeg_chroma;
+ AVPicture tmp_pic;
+ ImgReSampleContext *p_rsc;
+};
- /* crop/padd submodule */
- add_submodule();
- set_capability( "crop padd", 10 ); /* FIXME / Remove */
- set_callbacks( OpenCropPadd, CloseFilter );
- set_description( N_("FFmpeg crop padd filter") );
+/*****************************************************************************
+ * OpenFilter: allocate a chroma function
+ *****************************************************************************
+ * This function allocates and initializes a chroma function
+ *****************************************************************************/
+int OpenFilter( vlc_object_t *p_this )
+{
+ filter_t *p_filter = (filter_t *)p_this;
+ int i_ffmpeg_chroma[2], i_vlc_chroma[2], i;
- /* chroma conversion submodule */
- add_submodule();
- set_capability( "video filter2", 50 );
- set_callbacks( OpenChroma, CloseChroma );
- set_description( N_("FFmpeg chroma conversion") );
-vlc_module_end();
+ /*
+ * Check the source chroma first, then the destination chroma
+ */
+ i_vlc_chroma[0] = p_filter->fmt_in.video.i_chroma;
+ i_vlc_chroma[1] = p_filter->fmt_out.video.i_chroma;
+ for( i = 0; i < 2; i++ )
+ {
+ i_ffmpeg_chroma[i] = GetFfmpegChroma( i_vlc_chroma[i] );
+ if( i_ffmpeg_chroma[i] < 0 ) return VLC_EGENERIC;
+ }
+
+ p_filter->pf_video_filter = Conversion_Filter;
+
+ p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
+ if( p_filter->p_sys == NULL )
+ {
+ return VLC_ENOMEM;
+ }
+
+ p_filter->p_sys->i_src_vlc_chroma = p_filter->fmt_in.video.i_chroma;
+ p_filter->p_sys->i_dst_vlc_chroma = p_filter->fmt_out.video.i_chroma;
+ p_filter->p_sys->i_src_ffmpeg_chroma = i_ffmpeg_chroma[0];
+ p_filter->p_sys->i_dst_ffmpeg_chroma = i_ffmpeg_chroma[1];
+
+ if( ( p_filter->fmt_in.video.i_height != p_filter->fmt_out.video.i_height ||
+ p_filter->fmt_in.video.i_width != p_filter->fmt_out.video.i_width ) &&
+ ( p_filter->p_sys->i_dst_vlc_chroma == VLC_FOURCC('I','4','2','0') ||
+ p_filter->p_sys->i_dst_vlc_chroma == VLC_FOURCC('Y','V','1','2') ))
+ {
+ msg_Dbg( p_filter, "preparing to resample picture" );
+ p_filter->p_sys->p_rsc =
+ img_resample_init( p_filter->fmt_out.video.i_width,
+ p_filter->fmt_out.video.i_height,
+ p_filter->fmt_in.video.i_width,
+ p_filter->fmt_in.video.i_height );
+ avpicture_alloc( &p_filter->p_sys->tmp_pic,
+ p_filter->p_sys->i_dst_ffmpeg_chroma,
+ p_filter->fmt_in.video.i_width,
+ p_filter->fmt_in.video.i_height );
+ }
+ else
+ {
+ msg_Dbg( p_filter, "no resampling" );
+ p_filter->p_sys->p_rsc = NULL;
+ }
+
+ return VLC_SUCCESS;
+}
+
+VIDEO_FILTER_WRAPPER( Conversion )
+
+/*****************************************************************************
+ * ChromaConversion: actual chroma conversion function
+ *****************************************************************************/
+static void Conversion( filter_t *p_filter,
+ picture_t *p_src, picture_t *p_dest )
+{
+ AVPicture src_pic;
+ AVPicture dest_pic;
+ int i;
+
+ /* Prepare the AVPictures for converion */
+ for( i = 0; i < p_src->i_planes; i++ )
+ {
+ src_pic.data[i] = p_src->p[i].p_pixels;
+ src_pic.linesize[i] = p_src->p[i].i_pitch;
+ }
+ for( i = 0; i < p_dest->i_planes; i++ )
+ {
+ dest_pic.data[i] = p_dest->p[i].p_pixels;
+ dest_pic.linesize[i] = p_dest->p[i].i_pitch;
+ }
+
+ /* Special cases */
+ if( p_filter->p_sys->i_src_vlc_chroma == VLC_FOURCC('Y','V','1','2') ||
+ p_filter->p_sys->i_src_vlc_chroma == VLC_FOURCC('Y','V','U','9') )
+ {
+ /* Invert U and V */
+ src_pic.data[1] = p_src->p[2].p_pixels;
+ src_pic.data[2] = p_src->p[1].p_pixels;
+ }
+ if( p_filter->p_sys->i_dst_vlc_chroma == VLC_FOURCC('Y','V','1','2') ||
+ p_filter->p_sys->i_dst_vlc_chroma == VLC_FOURCC('Y','V','U','9') )
+ {
+ /* Invert U and V */
+ dest_pic.data[1] = p_dest->p[2].p_pixels;
+ dest_pic.data[2] = p_dest->p[1].p_pixels;
+ }
+ if( p_filter->p_sys->i_src_ffmpeg_chroma == PIX_FMT_RGB24 )
+ if( p_filter->fmt_in.video.i_bmask == 0x00ff0000 )
+ p_filter->p_sys->i_src_ffmpeg_chroma = PIX_FMT_BGR24;
+
+ if( p_filter->p_sys->p_rsc )
+ {
+ img_convert( &p_filter->p_sys->tmp_pic,
+ p_filter->p_sys->i_dst_ffmpeg_chroma,
+ &src_pic, p_filter->p_sys->i_src_ffmpeg_chroma,
+ p_filter->fmt_in.video.i_width,
+ p_filter->fmt_in.video.i_height );
+ img_resample( p_filter->p_sys->p_rsc, &dest_pic,
+ &p_filter->p_sys->tmp_pic );
+ }
+ else
+ {
+ img_convert( &dest_pic, p_filter->p_sys->i_dst_ffmpeg_chroma,
+ &src_pic, p_filter->p_sys->i_src_ffmpeg_chroma,
+ p_filter->fmt_in.video.i_width,
+ p_filter->fmt_in.video.i_height );
+ }
+}
+
+/*****************************************************************************
+ * CloseFilter: free the chroma function
+ *****************************************************************************
+ * This function frees the previously allocated chroma function
+ *****************************************************************************/
+void CloseFilter( vlc_object_t *p_this )
+{
+ filter_t *p_filter = (filter_t *)p_this;
+ if( p_filter->p_sys->p_rsc )
+ {
+ img_resample_close( p_filter->p_sys->p_rsc );
+ avpicture_free( &p_filter->p_sys->tmp_pic );
+ }
+ free( p_filter->p_sys );
+}
+++ /dev/null
-/*****************************************************************************
- * video filter: video filter doing chroma conversion and resizing
- * using the ffmpeg library
- *****************************************************************************
- * Copyright (C) 1999-2001 the VideoLAN team
- * $Id$
- *
- * Authors: Gildas Bazin <gbazin@videolan.org>
- *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
-
-/*****************************************************************************
- * Preamble
- *****************************************************************************/
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <vlc_common.h>
-#include <vlc_codec.h>
-#include <vlc_vout.h>
-#include <vlc_filter.h>
-
-/* ffmpeg header */
-#ifdef HAVE_LIBAVCODEC_AVCODEC_H
-# include <libavcodec/avcodec.h>
-#elif defined(HAVE_FFMPEG_AVCODEC_H)
-# include <ffmpeg/avcodec.h>
-#else
-# include <avcodec.h>
-#endif
-
-#include "chroma.h"
-
-static int CheckInit( filter_t *p_filter );
-static picture_t *Process( filter_t *p_filter, picture_t *p_pic );
-
-/*****************************************************************************
- * filter_sys_t : filter descriptor
- *****************************************************************************/
-struct filter_sys_t
-{
- bool b_resize;
- bool b_convert;
- bool b_resize_first;
- bool b_enable_croppadd;
-
- es_format_t fmt_in;
- int i_src_ffmpeg_chroma;
- es_format_t fmt_out;
- int i_dst_ffmpeg_chroma;
-
- AVPicture tmp_pic;
-
- ImgReSampleContext *p_rsc;
-};
-
-/*****************************************************************************
- * OpenFilterEx: common code to OpenFilter and OpenCropPadd
- *****************************************************************************/
-static int OpenFilterEx( vlc_object_t *p_this, bool b_enable_croppadd )
-{
- filter_t *p_filter = (filter_t*)p_this;
- filter_sys_t *p_sys;
- bool b_convert, b_resize;
-
- /* Check if we can handle that formats */
- if( GetFfmpegChroma( p_filter->fmt_in.video.i_chroma ) < 0 ||
- GetFfmpegChroma( p_filter->fmt_out.video.i_chroma ) < 0 )
- {
- return VLC_EGENERIC;
- }
-
- b_resize =
- ( 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 );
-
- if ( b_enable_croppadd )
- {
- b_resize = b_resize ||
- ( p_filter->fmt_in.video.i_visible_width != p_filter->fmt_in.video.i_width ) ||
- ( p_filter->fmt_in.video.i_visible_height != p_filter->fmt_in.video.i_height ) ||
- ( p_filter->fmt_in.video.i_x_offset != 0 ) ||
- ( p_filter->fmt_in.video.i_y_offset != 0 ) ||
- ( p_filter->fmt_out.video.i_visible_width != p_filter->fmt_out.video.i_width ) ||
- ( p_filter->fmt_out.video.i_visible_height != p_filter->fmt_out.video.i_height ) ||
- ( p_filter->fmt_out.video.i_x_offset != 0 ) ||
- ( p_filter->fmt_out.video.i_y_offset != 0 );
- }
-
- b_convert =
- ( p_filter->fmt_in.video.i_chroma != p_filter->fmt_out.video.i_chroma );
-
- if( !b_resize && !b_convert )
- {
- /* Nothing to do */
- return VLC_EGENERIC;
- }
-
- /* Allocate the memory needed to store the decoder's structure */
- if( ( p_filter->p_sys = p_sys =
- (filter_sys_t *)malloc(sizeof(filter_sys_t)) ) == NULL )
- {
- msg_Err( p_filter, "out of memory" );
- return VLC_EGENERIC;
- }
-
- /* Misc init */
- p_sys->p_rsc = NULL;
- p_sys->b_enable_croppadd = b_enable_croppadd;
- p_sys->i_src_ffmpeg_chroma =
- GetFfmpegChroma( p_filter->fmt_in.video.i_chroma );
- p_sys->i_dst_ffmpeg_chroma =
- GetFfmpegChroma( p_filter->fmt_out.video.i_chroma );
- p_filter->pf_video_filter = Process;
- es_format_Init( &p_sys->fmt_in, 0, 0 );
- es_format_Init( &p_sys->fmt_out, 0, 0 );
-
- /* Dummy alloc, will be reallocated in CheckInit */
- avpicture_alloc( &p_sys->tmp_pic, p_sys->i_src_ffmpeg_chroma,
- p_filter->fmt_out.video.i_width,
- p_filter->fmt_out.video.i_height );
-
- if( CheckInit( p_filter ) != VLC_SUCCESS )
- {
- if( p_sys->p_rsc ) img_resample_close( p_sys->p_rsc );
- avpicture_free( &p_sys->tmp_pic );
- free( p_sys );
- return VLC_EGENERIC;
- }
-
- msg_Dbg( p_filter, "input: %ix%i %4.4s -> %ix%i %4.4s",
- p_filter->fmt_in.video.i_width, p_filter->fmt_in.video.i_height,
- (char *)&p_filter->fmt_in.video.i_chroma,
- p_filter->fmt_out.video.i_width, p_filter->fmt_out.video.i_height,
- (char *)&p_filter->fmt_out.video.i_chroma );
-
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * OpenFilter: probe the filter and return score
- *****************************************************************************/
-int OpenFilter( vlc_object_t *p_this )
-{
- return OpenFilterEx( p_this, false );
-}
-
-/*****************************************************************************
- * OpenCropPadd: probe the filter and return score
- *****************************************************************************/
-int OpenCropPadd( vlc_object_t *p_this )
-{
- return OpenFilterEx( p_this, true );
-}
-
-
-/*****************************************************************************
- * CloseFilter: clean up the filter
- *****************************************************************************/
-void CloseFilter( vlc_object_t *p_this )
-{
- filter_t *p_filter = (filter_t*)p_this;
- filter_sys_t *p_sys = p_filter->p_sys;
-
- if( p_sys->p_rsc ) img_resample_close( p_sys->p_rsc );
- avpicture_free( &p_sys->tmp_pic );
-
- free( p_sys );
-}
-
-/*****************************************************************************
- * CheckInit: Initialise filter when necessary
- *****************************************************************************/
-static int CheckInit( filter_t *p_filter )
-{
- filter_sys_t *p_sys = p_filter->p_sys;
- bool b_change;
- int i_croptop=0;
- int i_cropbottom=0;
- int i_cropleft=0;
- int i_cropright=0;
- int i_paddtop=0;
- int i_paddbottom=0;
- int i_paddleft=0;
- int i_paddright=0;
-
- b_change = ( p_filter->fmt_in.video.i_width != p_sys->fmt_in.video.i_width ) ||
- ( p_filter->fmt_in.video.i_height != p_sys->fmt_in.video.i_height ) ||
- ( p_filter->fmt_out.video.i_width != p_sys->fmt_out.video.i_width ) ||
- ( p_filter->fmt_out.video.i_height != p_sys->fmt_out.video.i_height );
-
- if ( p_sys->b_enable_croppadd )
- {
- b_change = b_change ||
- ( p_filter->fmt_in.video.i_y_offset != p_sys->fmt_in.video.i_y_offset ) ||
- ( p_filter->fmt_in.video.i_x_offset != p_sys->fmt_in.video.i_x_offset ) ||
- ( p_filter->fmt_in.video.i_visible_width != p_sys->fmt_in.video.i_visible_width ) ||
- ( p_filter->fmt_in.video.i_visible_height != p_sys->fmt_in.video.i_visible_height ) ||
- ( p_filter->fmt_out.video.i_y_offset != p_sys->fmt_out.video.i_y_offset ) ||
- ( p_filter->fmt_out.video.i_x_offset != p_sys->fmt_out.video.i_x_offset ) ||
- ( p_filter->fmt_out.video.i_visible_width != p_sys->fmt_out.video.i_visible_width ) ||
- ( p_filter->fmt_out.video.i_visible_height != p_sys->fmt_out.video.i_visible_height );
- }
-
- if ( b_change )
- {
- if( p_sys->p_rsc ) img_resample_close( p_sys->p_rsc );
-
- p_sys->p_rsc = NULL;
- p_sys->b_convert =
- ( p_filter->fmt_in.video.i_chroma != p_filter->fmt_out.video.i_chroma );
-
- p_sys->b_resize =
- ( 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 );
-
- p_sys->b_resize_first =
- ( p_filter->fmt_in.video.i_width * p_filter->fmt_in.video.i_height ) >
- ( p_filter->fmt_out.video.i_width * p_filter->fmt_out.video.i_height );
-
- if( p_sys->b_resize &&
- ( p_sys->i_src_ffmpeg_chroma != PIX_FMT_YUV420P ) &&
- ( p_sys->i_src_ffmpeg_chroma != PIX_FMT_YUVJ420P ) &&
- ( p_sys->i_dst_ffmpeg_chroma != PIX_FMT_YUV420P ) &&
- ( p_sys->i_dst_ffmpeg_chroma != PIX_FMT_YUVJ420P ) )
- {
- msg_Err( p_filter, "img_resample_init only deals with I420" );
- return VLC_EGENERIC;
- }
- else if( ( p_sys->i_src_ffmpeg_chroma != PIX_FMT_YUV420P ) &&
- ( p_sys->i_src_ffmpeg_chroma != PIX_FMT_YUVJ420P ) )
- {
- p_sys->b_resize_first = false;
- }
- else if( ( p_sys->i_dst_ffmpeg_chroma != PIX_FMT_YUV420P ) &&
- ( p_sys->i_dst_ffmpeg_chroma != PIX_FMT_YUVJ420P ) )
- {
- p_sys->b_resize_first = true;
- }
-
- if ( p_sys->b_enable_croppadd )
- {
- p_sys->b_resize = p_sys->b_resize ||
- ( p_filter->fmt_in.video.i_visible_width != p_filter->fmt_in.video.i_width ) ||
- ( p_filter->fmt_in.video.i_visible_height != p_filter->fmt_in.video.i_height ) ||
- ( p_filter->fmt_in.video.i_x_offset != 0 ) ||
- ( p_filter->fmt_in.video.i_y_offset != 0 ) ||
- ( p_filter->fmt_out.video.i_visible_width != p_filter->fmt_out.video.i_width ) ||
- ( p_filter->fmt_out.video.i_visible_height != p_filter->fmt_out.video.i_height ) ||
- ( p_filter->fmt_out.video.i_x_offset != 0 ) ||
- ( p_filter->fmt_out.video.i_y_offset != 0 );
- }
-
- if( p_sys->b_resize )
- {
- if ( p_sys->b_enable_croppadd )
- {
- i_croptop = p_filter->fmt_in.video.i_y_offset;
- i_cropbottom = p_filter->fmt_in.video.i_height
- - p_filter->fmt_in.video.i_visible_height
- - p_filter->fmt_in.video.i_y_offset;
- i_cropleft = p_filter->fmt_in.video.i_x_offset;
- i_cropright = p_filter->fmt_in.video.i_width
- - p_filter->fmt_in.video.i_visible_width
- - p_filter->fmt_in.video.i_x_offset;
-
-
- i_paddtop = p_filter->fmt_out.video.i_y_offset;
- i_paddbottom = p_filter->fmt_out.video.i_height
- - p_filter->fmt_out.video.i_visible_height
- - p_filter->fmt_out.video.i_y_offset;
- i_paddleft = p_filter->fmt_out.video.i_x_offset;
- i_paddright = p_filter->fmt_out.video.i_width
- - p_filter->fmt_out.video.i_visible_width
- - p_filter->fmt_out.video.i_x_offset;
- }
-
- p_sys->p_rsc = img_resample_full_init(
- p_filter->fmt_out.video.i_width,
- p_filter->fmt_out.video.i_height,
- p_filter->fmt_in.video.i_width,
- p_filter->fmt_in.video.i_height,
- i_croptop,i_cropbottom,
- i_cropleft,i_cropright,
- i_paddtop,i_paddbottom,
- i_paddleft,i_paddright );
-
- if( !p_sys->p_rsc )
- {
- msg_Err( p_filter, "img_resample_init failed" );
- return VLC_EGENERIC;
- }
-
- msg_Dbg( p_filter, "input: %ix%i -> %ix%i",
- p_filter->fmt_out.video.i_width,
- p_filter->fmt_out.video.i_height,
- p_filter->fmt_in.video.i_width,
- p_filter->fmt_in.video.i_height);
-
- }
-
- avpicture_free( &p_sys->tmp_pic );
-
- if( p_sys->b_resize_first )
- {
- /* Resizing then conversion */
- avpicture_alloc( &p_sys->tmp_pic, p_sys->i_src_ffmpeg_chroma,
- p_filter->fmt_out.video.i_width,
- p_filter->fmt_out.video.i_height );
- }
- else
- {
- /* Conversion then resizing */
- avpicture_alloc( &p_sys->tmp_pic, p_sys->i_dst_ffmpeg_chroma,
- p_filter->fmt_in.video.i_width,
- p_filter->fmt_in.video.i_height );
- }
-
- p_sys->fmt_in = p_filter->fmt_in;
- p_sys->fmt_out = p_filter->fmt_out;
- }
-
- return VLC_SUCCESS;
-}
-
-/* fill padd code from ffmpeg */
-static int padcolor[3] = { 16, 128, 128 };
-
-/* Expects img to be yuv420 */
-static void fill_pad_region( AVPicture* img, int height, int width,
- int padtop, int padbottom, int padleft, int padright, int *color )
-{
- int i, y, shift;
- uint8_t *optr;
-
- for ( i = 0; i < 3; i++ )
- {
- shift = ( i == 0 ) ? 0 : 1;
-
- if ( padtop || padleft )
- {
- memset( img->data[i], color[i], ( ( ( img->linesize[i] * padtop ) +
- padleft ) >> shift) );
- }
-
- if ( padleft || padright )
- {
- optr = img->data[i] + ( img->linesize[i] * ( padtop >> shift ) ) +
- ( img->linesize[i] - ( padright >> shift ) );
-
- for ( y = 0; y < ( ( height - ( padtop + padbottom ) ) >> shift ); y++ )
- {
- memset( optr, color[i], ( padleft + padright ) >> shift );
- optr += img->linesize[i];
- }
- }
-
- if (padbottom)
- {
- optr = img->data[i] + ( img->linesize[i] * ( ( height - padbottom ) >> shift ) );
- memset( optr, color[i], ( ( img->linesize[i] * padbottom ) >> shift ) );
- }
- }
-}
-
-/* Workaround, because old libavcodec doesnt know how to padd */
-static void img_resample_padd( ImgReSampleContext *s, AVPicture *output,
- const AVPicture *input, int padtop, int padleft )
-{
- AVPicture nopadd_pic = *output;
-
- /* shift out top and left padding for old ffmpeg */
- nopadd_pic.data[0] += ( nopadd_pic.linesize[0] * padtop + padleft );
- nopadd_pic.data[1] += ( nopadd_pic.linesize[1] * padtop + padleft ) >> 1;
- nopadd_pic.data[2] += ( nopadd_pic.linesize[2] * padtop + padleft ) >> 1;
- img_resample( s, &nopadd_pic, input );
-}
-
-
-/*****************************************************************************
- * Do the processing here
- *****************************************************************************/
-static picture_t *Process( filter_t *p_filter, picture_t *p_pic )
-{
- filter_sys_t *p_sys = p_filter->p_sys;
- AVPicture src_pic, dest_pic;
- AVPicture *p_src, *p_dst;
- picture_t *p_pic_dst;
- int i;
-
- /* Check if format properties changed */
- if( CheckInit( p_filter ) != VLC_SUCCESS ) return 0;
-
- /* Request output picture */
- p_pic_dst = p_filter->pf_vout_buffer_new( p_filter );
- if( !p_pic_dst )
- {
- msg_Warn( p_filter, "can't get output picture" );
- p_pic->pf_release( p_pic );
- return NULL;
- }
-
- /* Prepare the AVPictures for the conversion */
- for( i = 0; i < p_pic->i_planes; i++ )
- {
- src_pic.data[i] = p_pic->p[i].p_pixels;
- src_pic.linesize[i] = p_pic->p[i].i_pitch;
- }
- for( i = 0; i < p_pic_dst->i_planes; i++ )
- {
- dest_pic.data[i] = p_pic_dst->p[i].p_pixels;
- dest_pic.linesize[i] = p_pic_dst->p[i].i_pitch;
- }
-
- /* Special cases */
- if( p_filter->fmt_in.video.i_chroma == VLC_FOURCC('Y','V','1','2') ||
- p_filter->fmt_in.video.i_chroma == VLC_FOURCC('Y','V','U','9') )
- {
- /* Invert U and V */
- src_pic.data[1] = p_pic->p[2].p_pixels;
- src_pic.data[2] = p_pic->p[1].p_pixels;
- }
- if( p_filter->fmt_out.video.i_chroma == VLC_FOURCC('Y','V','1','2') ||
- p_filter->fmt_out.video.i_chroma == VLC_FOURCC('Y','V','U','9') )
- {
- /* Invert U and V */
- dest_pic.data[1] = p_pic_dst->p[2].p_pixels;
- dest_pic.data[2] = p_pic_dst->p[1].p_pixels;
- }
- if( p_sys->i_src_ffmpeg_chroma == PIX_FMT_RGB24 )
- if( p_filter->fmt_in.video.i_bmask == 0x00ff0000 )
- p_sys->i_src_ffmpeg_chroma = PIX_FMT_BGR24;
-
- p_src = &src_pic;
-
- if( p_sys->b_resize && p_sys->p_rsc )
- {
- p_dst = &dest_pic;
- if( p_sys->b_resize_first )
- {
- if( p_sys->b_convert ) p_dst = &p_sys->tmp_pic;
-
- img_resample( p_sys->p_rsc, p_dst, p_src );
-
- if (p_sys->b_enable_croppadd)
- {
- if (p_filter->fmt_out.video.i_visible_width != p_filter->fmt_out.video.i_width ||
- p_filter->fmt_out.video.i_visible_height != p_filter->fmt_out.video.i_height ||
- p_filter->fmt_out.video.i_x_offset != 0 ||
- p_filter->fmt_out.video.i_y_offset != 0)
- {
- fill_pad_region(p_dst, p_filter->fmt_out.video.i_height,
- p_filter->fmt_out.video.i_width,
- p_filter->fmt_out.video.i_y_offset,
- p_filter->fmt_out.video.i_height
- - p_filter->fmt_out.video.i_visible_height
- - p_filter->fmt_out.video.i_y_offset,
- p_filter->fmt_out.video.i_x_offset,
- p_filter->fmt_out.video.i_width
- - p_filter->fmt_out.video.i_visible_width
- - p_filter->fmt_out.video.i_x_offset,
- padcolor);
- }
- }
-
- p_src = p_dst;
- }
- }
-
- if( p_sys->b_convert )
- {
- video_format_t *p_fmt = &p_filter->fmt_out.video;
- p_dst = &dest_pic;
- if( p_sys->b_resize && !p_sys->b_resize_first )
- {
- p_dst = &p_sys->tmp_pic;
- p_fmt = &p_filter->fmt_in.video;
- }
-
- img_convert( p_dst, p_sys->i_dst_ffmpeg_chroma,
- p_src, p_sys->i_src_ffmpeg_chroma,
- p_fmt->i_width, p_fmt->i_height );
-
- p_src = p_dst;
- }
-
- if( p_sys->b_resize && !p_sys->b_resize_first && p_sys->p_rsc )
- {
- p_dst = &dest_pic;
-
- img_resample( p_sys->p_rsc, p_dst, p_src );
-
- if (p_sys->b_enable_croppadd)
- {
- if (p_filter->fmt_out.video.i_visible_width != p_filter->fmt_out.video.i_width ||
- p_filter->fmt_out.video.i_visible_height != p_filter->fmt_out.video.i_height ||
- p_filter->fmt_out.video.i_x_offset != 0 ||
- p_filter->fmt_out.video.i_y_offset != 0)
- {
- fill_pad_region(p_dst, p_filter->fmt_out.video.i_height,
- p_filter->fmt_out.video.i_width,
- p_filter->fmt_out.video.i_y_offset,
- p_filter->fmt_out.video.i_height
- - p_filter->fmt_out.video.i_visible_height
- - p_filter->fmt_out.video.i_y_offset,
- p_filter->fmt_out.video.i_x_offset,
- p_filter->fmt_out.video.i_width
- - p_filter->fmt_out.video.i_visible_width
- - p_filter->fmt_out.video.i_x_offset,
- padcolor);
- }
- }
- }
-
- /* Special case for RV32 -> YUVA */
- if( !p_sys->b_resize &&
- p_filter->fmt_in.video.i_chroma == VLC_FOURCC('R','V','3','2') &&
- p_filter->fmt_out.video.i_chroma == VLC_FOURCC('Y','U','V','A') )
- {
- uint8_t *p_src = p_pic->p[0].p_pixels;
- int i_src_pitch = p_pic->p[0].i_pitch;
- uint8_t *p_dst = p_pic_dst->p[3].p_pixels;
- int i_dst_pitch = p_pic_dst->p[3].i_pitch;
- uint32_t l,j;
-
- for( l = 0; l < p_filter->fmt_out.video.i_height; l++ )
- {
- for( j = 0; j < p_filter->fmt_out.video.i_width; j++ )
- {
- p_dst[j] = p_src[j*4+3];
- }
- p_src += i_src_pitch;
- p_dst += i_dst_pitch;
- }
- }
- else if( p_filter->fmt_out.video.i_chroma == VLC_FOURCC('Y','U','V','A') )
- {
- /* Special case for YUVA */
- memset( p_pic_dst->p[3].p_pixels, 0xFF,
- p_pic_dst->p[3].i_pitch * p_pic_dst->p[3].i_lines );
- }
-
- p_pic_dst->date = p_pic->date;
- p_pic_dst->b_force = p_pic->b_force;
- p_pic_dst->i_nb_fields = p_pic->i_nb_fields;
- p_pic_dst->b_progressive = p_pic->b_progressive;
- p_pic_dst->b_top_field_first = p_pic->b_top_field_first;
-
- p_pic->pf_release( p_pic );
- return p_pic_dst;
-}
projects / vlc / commitdiff