/*****************************************************************************
* es_format.c : es_format_t helpers.
*****************************************************************************
- * Copyright (C) 2008 the VideoLAN team
+ * Copyright (C) 2008 VLC authors and VideoLAN
* $Id$
*
* Author: Laurent Aimar <fenrir@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
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser 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.
+ * You should have received a copy of the GNU Lesser 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.
*****************************************************************************/
/*****************************************************************************
#include <vlc_common.h>
#include <vlc_es.h>
-#include <vlc_aout.h>
/*****************************************************************************
void video_format_Setup( video_format_t *p_fmt, vlc_fourcc_t i_chroma,
int i_width, int i_height,
+ int i_visible_width, int i_visible_height,
int i_sar_num, int i_sar_den )
{
p_fmt->i_chroma = vlc_fourcc_GetCodec( VIDEO_ES, i_chroma );
- p_fmt->i_width =
- p_fmt->i_visible_width = i_width;
- p_fmt->i_height =
- p_fmt->i_visible_height = i_height;
+ p_fmt->i_width = i_width;
+ p_fmt->i_visible_width = i_visible_width;
+ p_fmt->i_height = i_height;
+ p_fmt->i_visible_height = i_visible_height;
p_fmt->i_x_offset =
p_fmt->i_y_offset = 0;
vlc_ureduce( &p_fmt->i_sar_num, &p_fmt->i_sar_den,
case VLC_CODEC_YUVA:
p_fmt->i_bits_per_pixel = 32;
break;
+ case VLC_CODEC_YUV420A:
+ p_fmt->i_bits_per_pixel = 20;
+ break;
+ case VLC_CODEC_YUV422A:
+ p_fmt->i_bits_per_pixel = 24;
+ break;
case VLC_CODEC_I444:
case VLC_CODEC_J444:
p_fmt->i_bits_per_pixel = 24;
case VLC_CODEC_RGB32:
case VLC_CODEC_RGBA:
+ case VLC_CODEC_ARGB:
p_fmt->i_bits_per_pixel = 32;
break;
case VLC_CODEC_RGB24:
p_fmt->i_bits_per_pixel = 8;
break;
+ case VLC_CODEC_XYZ12:
+ p_fmt->i_bits_per_pixel = 48;
+ break;
+
default:
p_fmt->i_bits_per_pixel = 0;
break;
}
}
+
+void video_format_CopyCrop( video_format_t *p_dst, const video_format_t *p_src )
+{
+ p_dst->i_x_offset = p_src->i_x_offset;
+ p_dst->i_y_offset = p_src->i_y_offset;
+ p_dst->i_visible_width = p_src->i_visible_width;
+ p_dst->i_visible_height = p_src->i_visible_height;
+}
+
+void video_format_ScaleCropAr( video_format_t *p_dst, const video_format_t *p_src )
+{
+ p_dst->i_x_offset = (uint64_t)p_src->i_x_offset * p_dst->i_width / p_src->i_width;
+ p_dst->i_y_offset = (uint64_t)p_src->i_y_offset * p_dst->i_height / p_src->i_height;
+ p_dst->i_visible_width = (uint64_t)p_src->i_visible_width * p_dst->i_width / p_src->i_width;
+ p_dst->i_visible_height = (uint64_t)p_src->i_visible_height * p_dst->i_height / p_src->i_height;
+
+ p_dst->i_sar_num *= p_src->i_width;
+ p_dst->i_sar_den *= p_dst->i_width;
+ vlc_ureduce(&p_dst->i_sar_num, &p_dst->i_sar_den,
+ p_dst->i_sar_num, p_dst->i_sar_den, 65536);
+
+ p_dst->i_sar_num *= p_dst->i_height;
+ p_dst->i_sar_den *= p_src->i_height;
+ vlc_ureduce(&p_dst->i_sar_num, &p_dst->i_sar_den,
+ p_dst->i_sar_num, p_dst->i_sar_den, 65536);
+}
+
+//Simplify transforms to have something more managable. Order: angle, hflip.
+static void transform_GetBasicOps( video_transform_t transform,
+ unsigned *restrict angle,
+ bool *restrict hflip )
+{
+ *hflip = ORIENT_IS_MIRROR(transform);
+
+ switch ( transform )
+ {
+ case TRANSFORM_R90:
+ case TRANSFORM_TRANSPOSE:
+ *angle = 90;
+ break;
+ case TRANSFORM_R180:
+ case TRANSFORM_VFLIP:
+ *angle = 180;
+ break;
+ case TRANSFORM_R270:
+ case TRANSFORM_ANTI_TRANSPOSE:
+ *angle = 270;
+ break;
+ case TRANSFORM_HFLIP:
+ case TRANSFORM_IDENTITY:
+ *angle = 0;
+ break;
+ }
+}
+
+static video_transform_t transform_FromBasicOps( unsigned angle, bool hflip )
+{
+ switch ( angle )
+ {
+ case 90:
+ return hflip ? TRANSFORM_TRANSPOSE : TRANSFORM_R90;
+ case 180:
+ return hflip ? TRANSFORM_VFLIP : TRANSFORM_R180;
+ case 270:
+ return hflip ? TRANSFORM_ANTI_TRANSPOSE : TRANSFORM_R270;
+ default:
+ return hflip ? TRANSFORM_HFLIP : TRANSFORM_IDENTITY;
+ }
+}
+
+video_transform_t video_format_GetTransform( video_orientation_t src,
+ video_orientation_t dst )
+{
+ unsigned angle1, angle2;
+ bool hflip1, hflip2;
+
+ transform_GetBasicOps( (video_transform_t)src, &angle1, &hflip1 );
+ transform_GetBasicOps( transform_Inverse( (video_transform_t)dst ),
+ &angle2, &hflip2 );
+
+ int angle = (angle1 + angle2) % 360;
+ bool hflip = hflip1 ^ hflip2;
+
+ return transform_FromBasicOps(angle, hflip);
+}
+
+void video_format_TransformBy( video_format_t *fmt, video_transform_t transform )
+{
+ /* Get destination orientation */
+ unsigned angle1, angle2;
+ bool hflip1, hflip2;
+
+ transform_GetBasicOps( transform, &angle1, &hflip1 );
+ transform_GetBasicOps( (video_transform_t)fmt->orientation, &angle2, &hflip2 );
+
+ unsigned angle = (angle2 - angle1 + 360) % 360;
+ bool hflip = hflip2 ^ hflip1;
+
+ video_orientation_t dst_orient = ORIENT_NORMAL;
+
+ if( hflip ) {
+
+ if( angle == 0 )
+ dst_orient = ORIENT_HFLIPPED;
+ else if( angle == 90 )
+ dst_orient = ORIENT_ANTI_TRANSPOSED;
+ else if( angle == 180 )
+ dst_orient = ORIENT_VFLIPPED;
+ else if( angle == 270 )
+ dst_orient = ORIENT_TRANSPOSED;
+ }
+ else {
+
+ if( angle == 90 )
+ dst_orient = ORIENT_ROTATED_90;
+ else if( angle == 180 )
+ dst_orient = ORIENT_ROTATED_180;
+ else if( angle == 270 )
+ dst_orient = ORIENT_ROTATED_270;
+ }
+
+ /* Apply transform */
+
+ video_format_t scratch = *fmt;
+
+ if( ORIENT_IS_SWAP( fmt->orientation ) != ORIENT_IS_SWAP( dst_orient )) {
+
+ fmt->i_width = scratch.i_height;
+ fmt->i_visible_width = scratch.i_visible_height;
+ fmt->i_height = scratch.i_width;
+ fmt->i_visible_height = scratch.i_visible_width;
+ fmt->i_sar_num = scratch.i_sar_den;
+ fmt->i_sar_den = scratch.i_sar_num;
+ }
+
+ unsigned int delta_y = scratch.i_height - scratch.i_visible_height - scratch.i_y_offset;
+ unsigned int delta_x = scratch.i_width - scratch.i_visible_width - scratch.i_x_offset;
+
+ switch ( transform )
+ {
+ case TRANSFORM_IDENTITY:
+ break;
+ case TRANSFORM_R90:
+ fmt->i_x_offset = delta_y;
+ fmt->i_y_offset = scratch.i_x_offset;
+ break;
+ case TRANSFORM_R180:
+ fmt->i_x_offset = delta_x;
+ fmt->i_y_offset = delta_y;
+ break;
+ case TRANSFORM_R270:
+ fmt->i_x_offset = scratch.i_y_offset;
+ fmt->i_y_offset = delta_x;
+ break;
+ case TRANSFORM_HFLIP:
+ fmt->i_x_offset = delta_x;
+ break;
+ case TRANSFORM_VFLIP:
+ fmt->i_y_offset = delta_y;
+ break;
+ case TRANSFORM_TRANSPOSE:
+ fmt->i_x_offset = scratch.i_y_offset;
+ fmt->i_y_offset = scratch.i_x_offset;
+ break;
+ case TRANSFORM_ANTI_TRANSPOSE:
+ fmt->i_x_offset = delta_y;
+ fmt->i_y_offset = delta_x;
+ break;
+ }
+
+ fmt->orientation = dst_orient;
+}
+
+void video_format_TransformTo( video_format_t *restrict fmt,
+ video_orientation_t dst_orientation )
+{
+ video_transform_t transform = video_format_GetTransform(fmt->orientation,
+ dst_orientation);
+ video_format_TransformBy(fmt, transform);
+}
+
+void video_format_ApplyRotation( video_format_t *restrict out,
+ const video_format_t *restrict in )
+{
+ *out = *in;
+
+ video_format_TransformTo(out, ORIENT_NORMAL);
+}
+
bool video_format_IsSimilar( const video_format_t *p_fmt1, const video_format_t *p_fmt2 )
{
video_format_t v1 = *p_fmt1;
if( v1.i_sar_num * v2.i_sar_den != v2.i_sar_num * v1.i_sar_den )
return false;
+ if( v1.orientation != v2.orientation)
+ return false;
+
if( v1.i_chroma == VLC_CODEC_RGB15 ||
v1.i_chroma == VLC_CODEC_RGB16 ||
v1.i_chroma == VLC_CODEC_RGB24 ||
fmt->i_level = -1;
fmt->i_id = -1;
fmt->i_group = 0;
- fmt->i_priority = 0;
+ fmt->i_priority = ES_PRIORITY_SELECTABLE_MIN;
fmt->psz_language = NULL;
fmt->psz_description = NULL;
if( !v1.i_chroma )
v1.i_chroma = vlc_fourcc_GetCodec( p_fmt1->i_cat, p_fmt1->i_codec );
if( !v2.i_chroma )
- v2.i_chroma = vlc_fourcc_GetCodec( p_fmt1->i_cat, p_fmt2->i_codec );
+ v2.i_chroma = vlc_fourcc_GetCodec( p_fmt2->i_cat, p_fmt2->i_codec );
return video_format_IsSimilar( &p_fmt1->video, &p_fmt2->video );
}
projects / vlc / blobdiff