* rawvideo.c: Pseudo video decoder/packetizer for raw video data
*****************************************************************************
* Copyright (C) 2001, 2002 VideoLAN
- * $Id: rawvideo.c,v 1.12 2004/02/22 15:57:41 fenrir Exp $
+ * $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
* Input properties
*/
int i_raw_size;
+ vlc_bool_t b_invert;
/*
* Common properties
vlc_module_begin();
set_description( _("Pseudo raw video decoder") );
set_capability( "decoder", 50 );
+ set_category( CAT_INPUT );
+ set_subcategory( SUBCAT_INPUT_VCODEC );
set_callbacks( OpenDecoder, CloseDecoder );
add_submodule();
case VLC_FOURCC('I','Y','U','V'):
case VLC_FOURCC('I','4','1','1'):
case VLC_FOURCC('I','4','1','0'):
+ case VLC_FOURCC('Y','V','U','9'):
/* Packed YUV */
case VLC_FOURCC('Y','U','Y','2'):
/* Misc init */
p_dec->p_sys->b_packetizer = VLC_FALSE;
p_sys->i_pts = 0;
+ p_sys->b_invert = 0;
- if( p_dec->fmt_in.video.i_width <= 0 ||
- p_dec->fmt_in.video.i_height <= 0 )
+ if( (int)p_dec->fmt_in.video.i_height < 0 )
+ {
+ /* Frames are coded from bottom to top */
+ p_dec->fmt_in.video.i_height =
+ (unsigned int)(-(int)p_dec->fmt_in.video.i_height);
+ p_sys->b_invert = VLC_TRUE;
+ }
+
+ if( p_dec->fmt_in.video.i_width <= 0 || p_dec->fmt_in.video.i_height <= 0 )
{
msg_Err( p_dec, "invalid display size %dx%d",
p_dec->fmt_in.video.i_width, p_dec->fmt_in.video.i_height );
/* Set output properties */
p_dec->fmt_out.i_cat = VIDEO_ES;
p_dec->fmt_out.i_codec = p_dec->fmt_in.i_codec;
- //if( !p_dec->fmt_in.video.i_aspect )
+ if( !p_dec->fmt_in.video.i_aspect )
{
p_dec->fmt_out.video.i_aspect = VOUT_ASPECT_FACTOR *
p_dec->fmt_out.video.i_width / p_dec->fmt_out.video.i_height;
}
+ else p_dec->fmt_out.video.i_aspect = p_dec->fmt_in.video.i_aspect;
+
+ if( p_dec->fmt_in.video.i_rmask )
+ p_dec->fmt_out.video.i_rmask = p_dec->fmt_in.video.i_rmask;
+ if( p_dec->fmt_in.video.i_gmask )
+ p_dec->fmt_out.video.i_gmask = p_dec->fmt_in.video.i_gmask;
+ if( p_dec->fmt_in.video.i_bmask )
+ p_dec->fmt_out.video.i_bmask = p_dec->fmt_in.video.i_bmask;
/* Set callbacks */
p_dec->pf_decode_video = (picture_t *(*)(decoder_t *, block_t **))
{
uint8_t *p_src, *p_dst;
int i_src, i_plane, i_line, i_width;
+ decoder_sys_t *p_sys = p_dec->p_sys;
- p_src = p_block->p_buffer;
+ p_src = p_block->p_buffer;
i_src = p_block->i_buffer;
for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
p_dst = p_pic->p[i_plane].p_pixels;
i_width = p_pic->p[i_plane].i_visible_pitch;
- for( i_line = 0; i_line < p_pic->p[i_plane].i_lines; i_line++ )
+ if( p_sys->b_invert )
+ p_src += (i_width * (p_pic->p[i_plane].i_visible_lines - 1));
+
+ for( i_line = 0; i_line < p_pic->p[i_plane].i_visible_lines; i_line++ )
{
p_dec->p_vlc->pf_memcpy( p_dst, p_src, i_width );
- p_src += i_width;
+ p_src += p_sys->b_invert ? -i_width : i_width;
p_dst += p_pic->p[i_plane].i_pitch;
}
+
+ if( p_sys->b_invert )
+ p_src += (i_width * (p_pic->p[i_plane].i_visible_lines + 1));
}
}
p_block->i_dts = p_block->i_pts = p_sys->i_pts;
+ if( p_sys->b_invert )
+ {
+ picture_t pic;
+ uint8_t *p_tmp, *p_pixels;
+ int i, j;
+
+ /* Fill in picture_t fields */
+ vout_InitPicture( VLC_OBJECT(p_dec), &pic, p_dec->fmt_out.i_codec,
+ p_dec->fmt_out.video.i_width,
+ p_dec->fmt_out.video.i_height, VOUT_ASPECT_FACTOR );
+
+ if( !pic.i_planes )
+ {
+ msg_Err( p_dec, "unsupported chroma" );
+ return p_block;
+ }
+
+ p_tmp = malloc( pic.p[0].i_visible_pitch );
+ p_pixels = p_block->p_buffer;
+ for( i = 0; i < pic.i_planes; i++ )
+ {
+ int i_pitch = pic.p[i].i_visible_pitch;
+ uint8_t *p_top = p_pixels;
+ uint8_t *p_bottom = p_pixels + i_pitch *
+ (pic.p[i].i_visible_lines - 1);
+
+ for( j = 0; j < pic.p[i].i_visible_lines / 2; j++ )
+ {
+ p_dec->p_vlc->pf_memcpy( p_tmp, p_bottom,
+ pic.p[i].i_visible_pitch );
+ p_dec->p_vlc->pf_memcpy( p_bottom, p_top,
+ pic.p[i].i_visible_pitch );
+ p_dec->p_vlc->pf_memcpy( p_top, p_tmp,
+ pic.p[i].i_visible_pitch );
+ p_top += i_pitch;
+ p_bottom -= i_pitch;
+ }
+
+ p_pixels += i_pitch * pic.p[i].i_lines;
+ }
+ free( p_tmp );
+ }
+
return p_block;
}