2001-07-22 16:18:56 +02:00
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/*
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2007-07-17 14:57:50 +02:00
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* Misc image conversion routines
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2009-01-19 16:46:40 +01:00
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* Copyright (c) 2001, 2002, 2003 Fabrice Bellard
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2001-07-22 16:18:56 +02:00
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*
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2006-10-07 17:30:46 +02:00
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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2002-05-26 00:45:33 +02:00
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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2006-10-07 17:30:46 +02:00
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* version 2.1 of the License, or (at your option) any later version.
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2001-07-22 16:18:56 +02:00
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*
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2006-10-07 17:30:46 +02:00
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* FFmpeg is distributed in the hope that it will be useful,
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2001-07-22 16:18:56 +02:00
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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2002-05-26 00:45:33 +02:00
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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2001-07-22 16:18:56 +02:00
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*
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2002-05-26 00:45:33 +02:00
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* You should have received a copy of the GNU Lesser General Public
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2006-10-07 17:30:46 +02:00
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* License along with FFmpeg; if not, write to the Free Software
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2006-01-12 23:43:26 +01:00
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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2001-07-22 16:18:56 +02:00
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*/
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2003-03-06 12:32:04 +01:00
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/**
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2010-04-20 16:45:34 +02:00
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* @file
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2007-07-17 14:57:50 +02:00
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* misc image conversion routines
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2003-03-06 12:32:04 +01:00
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*/
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2003-04-21 14:12:58 +02:00
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/* TODO:
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* - write 'ffimg' program to test all the image related stuff
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* - move all api to slice based system
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* - integrate deinterlacing, postprocessing and scaling in the conversion process
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*/
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2003-03-06 12:32:04 +01:00
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2001-07-22 16:18:56 +02:00
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#include "avcodec.h"
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2001-08-11 21:03:02 +02:00
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#include "dsputil.h"
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2010-02-28 04:52:10 +01:00
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#include "internal.h"
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2010-07-01 20:49:44 +02:00
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#include "libavutil/colorspace.h"
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2012-08-06 15:49:32 +02:00
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#include "libavutil/common.h"
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2009-11-26 00:52:20 +01:00
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#include "libavutil/pixdesc.h"
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2011-02-07 14:37:08 +01:00
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#include "libavutil/imgutils.h"
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2001-07-22 16:18:56 +02:00
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2012-08-28 14:53:33 +02:00
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#if HAVE_MMX_EXTERNAL
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2008-12-22 10:12:42 +01:00
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#include "x86/dsputil_mmx.h"
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2002-10-30 10:09:34 +01:00
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#endif
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2003-01-11 01:08:48 +01:00
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2007-02-20 09:35:25 +01:00
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#define FF_COLOR_RGB 0 /**< RGB color space */
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#define FF_COLOR_GRAY 1 /**< gray color space */
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#define FF_COLOR_YUV 2 /**< YUV color space. 16 <= Y <= 235, 16 <= U, V <= 240 */
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#define FF_COLOR_YUV_JPEG 3 /**< YUV color space. 0 <= Y <= 255, 0 <= U, V <= 255 */
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2003-04-20 18:18:44 +02:00
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2012-08-28 14:53:33 +02:00
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#if HAVE_MMX_EXTERNAL
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2010-07-31 16:50:51 +02:00
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#define deinterlace_line_inplace ff_deinterlace_line_inplace_mmx
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#define deinterlace_line ff_deinterlace_line_mmx
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#else
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#define deinterlace_line_inplace deinterlace_line_inplace_c
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#define deinterlace_line deinterlace_line_c
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#endif
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2012-03-08 14:40:30 +01:00
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#define pixdesc_has_alpha(pixdesc) \
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((pixdesc)->nb_components == 2 || (pixdesc)->nb_components == 4 || (pixdesc)->flags & PIX_FMT_PAL)
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2003-01-11 01:08:48 +01:00
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typedef struct PixFmtInfo {
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2007-02-20 09:35:25 +01:00
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uint8_t color_type; /**< color type (see FF_COLOR_xxx constants) */
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2011-07-19 15:38:53 +02:00
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uint8_t padded_size; /**< padded size in bits if different from the non-padded size */
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2003-01-11 01:08:48 +01:00
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} PixFmtInfo;
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/* this table gives more information about formats */
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2012-10-06 12:10:34 +02:00
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static const PixFmtInfo pix_fmt_info[AV_PIX_FMT_NB] = {
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2003-01-11 01:08:48 +01:00
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/* YUV formats */
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2012-10-06 12:10:34 +02:00
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[AV_PIX_FMT_YUV420P] = {
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2003-04-20 18:18:44 +02:00
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.color_type = FF_COLOR_YUV,
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2003-01-11 01:08:48 +01:00
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},
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2012-10-06 12:10:34 +02:00
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[AV_PIX_FMT_YUV422P] = {
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2003-04-20 18:18:44 +02:00
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.color_type = FF_COLOR_YUV,
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2003-01-11 01:08:48 +01:00
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},
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2012-10-06 12:10:34 +02:00
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[AV_PIX_FMT_YUV444P] = {
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2003-04-20 18:18:44 +02:00
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.color_type = FF_COLOR_YUV,
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2003-01-11 01:08:48 +01:00
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},
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2012-10-06 12:10:34 +02:00
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[AV_PIX_FMT_YUYV422] = {
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2003-04-20 18:18:44 +02:00
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.color_type = FF_COLOR_YUV,
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2003-01-11 01:08:48 +01:00
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},
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2012-10-06 12:10:34 +02:00
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[AV_PIX_FMT_UYVY422] = {
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2004-07-25 12:01:36 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-06 12:10:34 +02:00
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[AV_PIX_FMT_YUV410P] = {
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2003-04-20 18:18:44 +02:00
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.color_type = FF_COLOR_YUV,
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2003-01-11 01:08:48 +01:00
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},
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2012-10-06 12:10:34 +02:00
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[AV_PIX_FMT_YUV411P] = {
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2003-04-20 18:18:44 +02:00
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.color_type = FF_COLOR_YUV,
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2003-01-11 01:08:48 +01:00
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},
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2012-10-06 12:10:34 +02:00
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[AV_PIX_FMT_YUV440P] = {
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2007-07-18 10:11:16 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV420P9LE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV422P9LE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV444P9LE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV420P9BE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV422P9BE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV444P9BE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV420P10LE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV422P10LE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV444P10LE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV420P10BE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV422P10BE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV444P10BE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV420P12LE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV422P12LE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV444P12LE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV420P12BE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV422P12BE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV444P12BE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV420P14LE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV422P14LE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV444P14LE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV420P14BE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV422P14BE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUV444P14BE] = {
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2012-07-03 18:57:02 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-06 12:10:34 +02:00
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[AV_PIX_FMT_YUV420P16LE] = {
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2009-04-21 03:02:48 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-06 12:10:34 +02:00
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[AV_PIX_FMT_YUV422P16LE] = {
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2009-04-21 03:02:48 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-06 12:10:34 +02:00
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[AV_PIX_FMT_YUV444P16LE] = {
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2009-04-21 03:02:48 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-06 12:10:34 +02:00
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[AV_PIX_FMT_YUV420P16BE] = {
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2009-04-21 03:02:48 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-06 12:10:34 +02:00
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[AV_PIX_FMT_YUV422P16BE] = {
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2009-04-21 03:02:48 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-06 12:10:34 +02:00
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[AV_PIX_FMT_YUV444P16BE] = {
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2009-04-21 03:02:48 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2007-09-24 15:21:41 +02:00
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/* YUV formats with alpha plane */
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2012-10-06 12:10:34 +02:00
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[AV_PIX_FMT_YUVA420P] = {
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2007-09-24 15:21:41 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUVA422P] = {
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2012-05-08 08:39:37 +02:00
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.color_type = FF_COLOR_YUV,
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},
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2012-10-08 20:54:00 +02:00
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[AV_PIX_FMT_YUVA444P] = {
|
2012-01-30 11:24:02 +01:00
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.color_type = FF_COLOR_YUV,
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},
|
2012-10-31 02:14:16 +01:00
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[AV_PIX_FMT_YUVA420P9LE] = {
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.color_type = FF_COLOR_YUV,
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},
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[AV_PIX_FMT_YUVA422P9LE] = {
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.color_type = FF_COLOR_YUV,
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},
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[AV_PIX_FMT_YUVA444P9LE] = {
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.color_type = FF_COLOR_YUV,
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},
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[AV_PIX_FMT_YUVA420P9BE] = {
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.color_type = FF_COLOR_YUV,
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},
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[AV_PIX_FMT_YUVA422P9BE] = {
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.color_type = FF_COLOR_YUV,
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},
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[AV_PIX_FMT_YUVA444P9BE] = {
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|
|
|
.color_type = FF_COLOR_YUV,
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|
|
},
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|
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|
[AV_PIX_FMT_YUVA420P10LE] = {
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|
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|
.color_type = FF_COLOR_YUV,
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},
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|
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[AV_PIX_FMT_YUVA422P10LE] = {
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|
|
|
.color_type = FF_COLOR_YUV,
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|
|
|
},
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|
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[AV_PIX_FMT_YUVA444P10LE] = {
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|
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|
.color_type = FF_COLOR_YUV,
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|
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|
},
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|
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[AV_PIX_FMT_YUVA420P10BE] = {
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|
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|
.color_type = FF_COLOR_YUV,
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},
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[AV_PIX_FMT_YUVA422P10BE] = {
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|
|
|
.color_type = FF_COLOR_YUV,
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|
},
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|
[AV_PIX_FMT_YUVA444P10BE] = {
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|
|
|
.color_type = FF_COLOR_YUV,
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|
|
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},
|
2012-01-30 11:24:02 +01:00
|
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|
2003-04-20 18:18:44 +02:00
|
|
|
/* JPEG YUV */
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_YUVJ420P] = {
|
2003-04-20 18:18:44 +02:00
|
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|
.color_type = FF_COLOR_YUV_JPEG,
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|
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},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_YUVJ422P] = {
|
2003-04-20 18:18:44 +02:00
|
|
|
.color_type = FF_COLOR_YUV_JPEG,
|
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_YUVJ444P] = {
|
2003-04-20 18:18:44 +02:00
|
|
|
.color_type = FF_COLOR_YUV_JPEG,
|
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_YUVJ440P] = {
|
2007-07-18 10:11:16 +02:00
|
|
|
.color_type = FF_COLOR_YUV_JPEG,
|
|
|
|
},
|
2003-04-20 18:18:44 +02:00
|
|
|
|
2003-01-11 01:08:48 +01:00
|
|
|
/* RGB formats */
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_RGB24] = {
|
2003-04-20 18:18:44 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
2003-01-11 01:08:48 +01:00
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_BGR24] = {
|
2003-04-20 18:18:44 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
2003-01-11 01:08:48 +01:00
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_ARGB] = {
|
2003-04-20 18:18:44 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
2003-01-11 01:08:48 +01:00
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_RGB48BE] = {
|
2009-02-22 01:55:49 +01:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_RGB48LE] = {
|
2009-02-22 01:55:49 +01:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-08 20:54:00 +02:00
|
|
|
[AV_PIX_FMT_RGBA64BE] = {
|
2011-09-23 20:26:20 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-08 20:54:00 +02:00
|
|
|
[AV_PIX_FMT_RGBA64LE] = {
|
2011-09-23 20:26:20 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_RGB565BE] = {
|
2003-04-20 18:18:44 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
2003-01-11 01:08:48 +01:00
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_RGB565LE] = {
|
2009-03-22 00:08:20 +01:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_RGB555BE] = {
|
2009-03-22 00:08:20 +01:00
|
|
|
.color_type = FF_COLOR_RGB,
|
2011-07-19 15:38:53 +02:00
|
|
|
.padded_size = 16,
|
2009-03-22 00:08:20 +01:00
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_RGB555LE] = {
|
2003-04-20 18:18:44 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
2011-07-19 15:38:53 +02:00
|
|
|
.padded_size = 16,
|
2003-01-11 01:08:48 +01:00
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_RGB444BE] = {
|
2010-03-05 09:26:23 +01:00
|
|
|
.color_type = FF_COLOR_RGB,
|
2011-07-19 15:38:53 +02:00
|
|
|
.padded_size = 16,
|
2010-03-05 09:26:23 +01:00
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_RGB444LE] = {
|
2010-03-05 09:26:23 +01:00
|
|
|
.color_type = FF_COLOR_RGB,
|
2011-07-19 15:38:53 +02:00
|
|
|
.padded_size = 16,
|
2010-03-05 09:26:23 +01:00
|
|
|
},
|
2003-01-11 01:08:48 +01:00
|
|
|
|
|
|
|
/* gray / mono formats */
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_GRAY16BE] = {
|
2006-10-24 06:57:43 +02:00
|
|
|
.color_type = FF_COLOR_GRAY,
|
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_GRAY16LE] = {
|
2006-10-24 06:57:43 +02:00
|
|
|
.color_type = FF_COLOR_GRAY,
|
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_GRAY8] = {
|
2003-04-20 18:18:44 +02:00
|
|
|
.color_type = FF_COLOR_GRAY,
|
2003-01-11 01:08:48 +01:00
|
|
|
},
|
2012-10-08 20:54:00 +02:00
|
|
|
[AV_PIX_FMT_GRAY8A] = {
|
2012-01-15 02:40:18 +01:00
|
|
|
.color_type = FF_COLOR_GRAY,
|
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_MONOWHITE] = {
|
2003-04-20 18:18:44 +02:00
|
|
|
.color_type = FF_COLOR_GRAY,
|
2003-01-11 01:08:48 +01:00
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_MONOBLACK] = {
|
2003-04-20 18:18:44 +02:00
|
|
|
.color_type = FF_COLOR_GRAY,
|
2003-01-11 01:08:48 +01:00
|
|
|
},
|
2003-02-09 17:20:25 +01:00
|
|
|
|
|
|
|
/* paletted formats */
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_PAL8] = {
|
2003-04-20 18:18:44 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
2003-02-09 17:20:25 +01:00
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_UYYVYY411] = {
|
2004-10-22 04:04:30 +02:00
|
|
|
.color_type = FF_COLOR_YUV,
|
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_ABGR] = {
|
2006-08-28 16:56:47 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-08 20:54:00 +02:00
|
|
|
[AV_PIX_FMT_BGR48BE] = {
|
2011-09-23 20:26:20 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-08 20:54:00 +02:00
|
|
|
[AV_PIX_FMT_BGR48LE] = {
|
2011-09-23 20:26:20 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-08 20:54:00 +02:00
|
|
|
[AV_PIX_FMT_BGRA64BE] = {
|
2011-09-23 20:26:20 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-08 20:54:00 +02:00
|
|
|
[AV_PIX_FMT_BGRA64LE] = {
|
2011-09-23 20:26:20 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_BGR565BE] = {
|
2009-03-22 00:08:20 +01:00
|
|
|
.color_type = FF_COLOR_RGB,
|
2011-07-19 15:38:53 +02:00
|
|
|
.padded_size = 16,
|
2009-03-22 00:08:20 +01:00
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_BGR565LE] = {
|
2009-03-22 00:08:20 +01:00
|
|
|
.color_type = FF_COLOR_RGB,
|
2011-07-19 15:38:53 +02:00
|
|
|
.padded_size = 16,
|
2009-03-22 00:08:20 +01:00
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_BGR555BE] = {
|
2006-08-28 16:56:47 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
2011-07-19 15:38:53 +02:00
|
|
|
.padded_size = 16,
|
2006-08-28 16:56:47 +02:00
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_BGR555LE] = {
|
2006-08-28 16:56:47 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
2011-07-19 15:38:53 +02:00
|
|
|
.padded_size = 16,
|
2006-08-28 16:56:47 +02:00
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_BGR444BE] = {
|
2010-03-05 09:26:23 +01:00
|
|
|
.color_type = FF_COLOR_RGB,
|
2011-07-19 15:38:53 +02:00
|
|
|
.padded_size = 16,
|
2010-03-05 09:26:23 +01:00
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_BGR444LE] = {
|
2010-03-05 09:26:23 +01:00
|
|
|
.color_type = FF_COLOR_RGB,
|
2011-07-19 15:38:53 +02:00
|
|
|
.padded_size = 16,
|
2010-03-05 09:26:23 +01:00
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_RGB8] = {
|
2006-08-28 16:56:47 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_RGB4] = {
|
2006-08-28 16:56:47 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_RGB4_BYTE] = {
|
2006-08-28 16:56:47 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
2011-07-19 15:38:53 +02:00
|
|
|
.padded_size = 8,
|
2006-08-28 16:56:47 +02:00
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_BGR8] = {
|
2006-08-28 16:56:47 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_BGR4] = {
|
2006-08-28 16:56:47 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_BGR4_BYTE] = {
|
2006-08-28 16:56:47 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
2011-07-19 15:38:53 +02:00
|
|
|
.padded_size = 8,
|
2006-08-28 16:56:47 +02:00
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_NV12] = {
|
2006-08-28 16:56:47 +02:00
|
|
|
.color_type = FF_COLOR_YUV,
|
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_NV21] = {
|
2006-08-28 16:56:47 +02:00
|
|
|
.color_type = FF_COLOR_YUV,
|
|
|
|
},
|
|
|
|
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_BGRA] = {
|
2006-08-28 16:56:47 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-06 12:10:34 +02:00
|
|
|
[AV_PIX_FMT_RGBA] = {
|
2006-08-28 16:56:47 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-07-03 19:00:01 +02:00
|
|
|
|
2012-10-08 20:54:00 +02:00
|
|
|
[AV_PIX_FMT_GBRP] = {
|
2012-07-03 19:00:01 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-08 20:54:00 +02:00
|
|
|
[AV_PIX_FMT_GBRP9BE] = {
|
2012-07-03 19:00:01 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-08 20:54:00 +02:00
|
|
|
[AV_PIX_FMT_GBRP9LE] = {
|
2012-07-03 19:00:01 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-08 20:54:00 +02:00
|
|
|
[AV_PIX_FMT_GBRP10BE] = {
|
2012-07-03 19:00:01 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-08 20:54:00 +02:00
|
|
|
[AV_PIX_FMT_GBRP10LE] = {
|
2012-07-03 19:00:01 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-08 20:54:00 +02:00
|
|
|
[AV_PIX_FMT_GBRP12BE] = {
|
2012-07-03 19:00:01 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-08 20:54:00 +02:00
|
|
|
[AV_PIX_FMT_GBRP12LE] = {
|
2012-07-03 19:00:01 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-08 20:54:00 +02:00
|
|
|
[AV_PIX_FMT_GBRP14BE] = {
|
2012-07-03 19:00:01 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-08 20:54:00 +02:00
|
|
|
[AV_PIX_FMT_GBRP14LE] = {
|
2012-07-03 19:00:01 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-08 20:54:00 +02:00
|
|
|
[AV_PIX_FMT_GBRP16BE] = {
|
2012-07-03 19:00:01 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2012-10-08 20:54:00 +02:00
|
|
|
[AV_PIX_FMT_GBRP16LE] = {
|
2012-07-03 19:00:01 +02:00
|
|
|
.color_type = FF_COLOR_RGB,
|
|
|
|
},
|
2003-01-11 01:08:48 +01:00
|
|
|
};
|
|
|
|
|
2012-10-06 12:10:34 +02:00
|
|
|
void avcodec_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, int *h_shift, int *v_shift)
|
2003-01-11 01:08:48 +01:00
|
|
|
{
|
2012-10-06 13:29:37 +02:00
|
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
|
|
|
|
*h_shift = desc->log2_chroma_w;
|
|
|
|
*v_shift = desc->log2_chroma_h;
|
2003-01-11 01:08:48 +01:00
|
|
|
}
|
|
|
|
|
2012-10-06 12:10:34 +02:00
|
|
|
int ff_is_hwaccel_pix_fmt(enum AVPixelFormat pix_fmt)
|
2009-02-23 14:35:52 +01:00
|
|
|
{
|
2012-10-06 13:29:37 +02:00
|
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
|
|
|
|
return desc->flags & PIX_FMT_HWACCEL;
|
2009-02-23 14:35:52 +01:00
|
|
|
}
|
|
|
|
|
2012-10-30 04:27:09 +01:00
|
|
|
int avpicture_fill(AVPicture *picture, const uint8_t *ptr,
|
2012-10-06 12:10:34 +02:00
|
|
|
enum AVPixelFormat pix_fmt, int width, int height)
|
2008-02-15 19:01:07 +01:00
|
|
|
{
|
2012-06-19 02:45:36 +02:00
|
|
|
return av_image_fill_arrays(picture->data, picture->linesize,
|
|
|
|
ptr, pix_fmt, width, height, 1);
|
2008-02-15 19:01:07 +01:00
|
|
|
}
|
|
|
|
|
2012-10-06 12:10:34 +02:00
|
|
|
int avpicture_layout(const AVPicture* src, enum AVPixelFormat pix_fmt, int width, int height,
|
2003-05-07 21:01:45 +02:00
|
|
|
unsigned char *dest, int dest_size)
|
|
|
|
{
|
2012-06-19 02:45:36 +02:00
|
|
|
return av_image_copy_to_buffer(dest, dest_size,
|
2012-09-05 18:44:42 +02:00
|
|
|
(const uint8_t * const*)src->data, src->linesize,
|
2012-06-19 02:45:36 +02:00
|
|
|
pix_fmt, width, height, 1);
|
2003-05-07 21:01:45 +02:00
|
|
|
}
|
|
|
|
|
2012-10-08 20:54:00 +02:00
|
|
|
int avpicture_get_size(enum AVPixelFormat pix_fmt, int width, int height)
|
2003-01-11 05:54:38 +01:00
|
|
|
{
|
2012-06-19 02:45:36 +02:00
|
|
|
return av_image_get_buffer_size(pix_fmt, width, height, 1);
|
2003-01-11 05:54:38 +01:00
|
|
|
}
|
|
|
|
|
2012-10-08 20:54:00 +02:00
|
|
|
static int get_pix_fmt_depth(int *min, int *max, enum AVPixelFormat pix_fmt)
|
2011-07-24 15:38:59 +02:00
|
|
|
{
|
2012-10-06 13:29:37 +02:00
|
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
|
2011-07-24 15:38:59 +02:00
|
|
|
int i;
|
|
|
|
|
2012-10-12 16:48:26 +02:00
|
|
|
if (!desc || !desc->nb_components) {
|
2011-07-24 15:38:59 +02:00
|
|
|
*min = *max = 0;
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
|
|
|
|
*min = INT_MAX, *max = -INT_MAX;
|
|
|
|
for (i = 0; i < desc->nb_components; i++) {
|
|
|
|
*min = FFMIN(desc->comp[i].depth_minus1+1, *min);
|
|
|
|
*max = FFMAX(desc->comp[i].depth_minus1+1, *max);
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2012-10-06 12:10:34 +02:00
|
|
|
int avcodec_get_pix_fmt_loss(enum AVPixelFormat dst_pix_fmt, enum AVPixelFormat src_pix_fmt,
|
2003-04-20 18:18:44 +02:00
|
|
|
int has_alpha)
|
|
|
|
{
|
|
|
|
const PixFmtInfo *pf, *ps;
|
2012-10-06 13:29:37 +02:00
|
|
|
const AVPixFmtDescriptor *src_desc = av_pix_fmt_desc_get(src_pix_fmt);
|
|
|
|
const AVPixFmtDescriptor *dst_desc = av_pix_fmt_desc_get(dst_pix_fmt);
|
2011-07-24 15:38:59 +02:00
|
|
|
int src_min_depth, src_max_depth, dst_min_depth, dst_max_depth;
|
|
|
|
int ret, loss;
|
2003-04-20 18:18:44 +02:00
|
|
|
|
2012-10-08 20:54:00 +02:00
|
|
|
if (dst_pix_fmt >= AV_PIX_FMT_NB || dst_pix_fmt <= AV_PIX_FMT_NONE)
|
2011-09-01 02:01:54 +02:00
|
|
|
return ~0;
|
|
|
|
|
2003-04-20 18:18:44 +02:00
|
|
|
ps = &pix_fmt_info[src_pix_fmt];
|
|
|
|
|
|
|
|
/* compute loss */
|
|
|
|
loss = 0;
|
2011-07-24 15:38:59 +02:00
|
|
|
|
|
|
|
if ((ret = get_pix_fmt_depth(&src_min_depth, &src_max_depth, src_pix_fmt)) < 0)
|
|
|
|
return ret;
|
|
|
|
if ((ret = get_pix_fmt_depth(&dst_min_depth, &dst_max_depth, dst_pix_fmt)) < 0)
|
|
|
|
return ret;
|
|
|
|
if (dst_min_depth < src_min_depth ||
|
|
|
|
dst_max_depth < src_max_depth)
|
2003-04-20 18:18:44 +02:00
|
|
|
loss |= FF_LOSS_DEPTH;
|
2009-11-26 21:00:03 +01:00
|
|
|
if (dst_desc->log2_chroma_w > src_desc->log2_chroma_w ||
|
|
|
|
dst_desc->log2_chroma_h > src_desc->log2_chroma_h)
|
2003-04-20 18:18:44 +02:00
|
|
|
loss |= FF_LOSS_RESOLUTION;
|
2011-07-24 15:38:59 +02:00
|
|
|
|
|
|
|
pf = &pix_fmt_info[dst_pix_fmt];
|
2003-04-20 18:18:44 +02:00
|
|
|
switch(pf->color_type) {
|
|
|
|
case FF_COLOR_RGB:
|
|
|
|
if (ps->color_type != FF_COLOR_RGB &&
|
|
|
|
ps->color_type != FF_COLOR_GRAY)
|
|
|
|
loss |= FF_LOSS_COLORSPACE;
|
|
|
|
break;
|
|
|
|
case FF_COLOR_GRAY:
|
|
|
|
if (ps->color_type != FF_COLOR_GRAY)
|
|
|
|
loss |= FF_LOSS_COLORSPACE;
|
|
|
|
break;
|
|
|
|
case FF_COLOR_YUV:
|
|
|
|
if (ps->color_type != FF_COLOR_YUV)
|
|
|
|
loss |= FF_LOSS_COLORSPACE;
|
|
|
|
break;
|
|
|
|
case FF_COLOR_YUV_JPEG:
|
|
|
|
if (ps->color_type != FF_COLOR_YUV_JPEG &&
|
2005-12-17 19:14:38 +01:00
|
|
|
ps->color_type != FF_COLOR_YUV &&
|
2003-04-21 17:01:37 +02:00
|
|
|
ps->color_type != FF_COLOR_GRAY)
|
2003-04-20 18:18:44 +02:00
|
|
|
loss |= FF_LOSS_COLORSPACE;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
/* fail safe test */
|
|
|
|
if (ps->color_type != pf->color_type)
|
|
|
|
loss |= FF_LOSS_COLORSPACE;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (pf->color_type == FF_COLOR_GRAY &&
|
|
|
|
ps->color_type != FF_COLOR_GRAY)
|
|
|
|
loss |= FF_LOSS_CHROMA;
|
2012-03-08 14:40:30 +01:00
|
|
|
if (!pixdesc_has_alpha(dst_desc) && (pixdesc_has_alpha(src_desc) && has_alpha))
|
2003-04-20 18:18:44 +02:00
|
|
|
loss |= FF_LOSS_ALPHA;
|
2012-10-08 20:54:00 +02:00
|
|
|
if (dst_pix_fmt == AV_PIX_FMT_PAL8 &&
|
|
|
|
(src_pix_fmt != AV_PIX_FMT_PAL8 && (ps->color_type != FF_COLOR_GRAY || (pixdesc_has_alpha(src_desc) && has_alpha))))
|
2003-04-20 18:18:44 +02:00
|
|
|
loss |= FF_LOSS_COLORQUANT;
|
2012-01-18 15:51:09 +01:00
|
|
|
|
2003-04-20 18:18:44 +02:00
|
|
|
return loss;
|
|
|
|
}
|
|
|
|
|
2012-10-06 12:10:34 +02:00
|
|
|
static int avg_bits_per_pixel(enum AVPixelFormat pix_fmt)
|
2003-04-20 18:18:44 +02:00
|
|
|
{
|
2011-07-19 15:38:53 +02:00
|
|
|
const PixFmtInfo *info = &pix_fmt_info[pix_fmt];
|
2012-10-06 13:29:37 +02:00
|
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
|
2003-04-20 18:18:44 +02:00
|
|
|
|
2011-07-19 15:38:53 +02:00
|
|
|
return info->padded_size ?
|
|
|
|
info->padded_size : av_get_bits_per_pixel(desc);
|
2003-04-20 18:18:44 +02:00
|
|
|
}
|
|
|
|
|
2012-07-02 11:31:26 +02:00
|
|
|
#if FF_API_FIND_BEST_PIX_FMT
|
2012-10-06 12:10:34 +02:00
|
|
|
enum AVPixelFormat avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, enum AVPixelFormat src_pix_fmt,
|
2011-08-26 19:03:50 +02:00
|
|
|
int has_alpha, int *loss_ptr)
|
2003-04-20 18:18:44 +02:00
|
|
|
{
|
2012-10-08 20:54:00 +02:00
|
|
|
enum AVPixelFormat dst_pix_fmt;
|
2011-08-26 19:03:50 +02:00
|
|
|
int i;
|
|
|
|
|
|
|
|
if (loss_ptr) /* all losses count (for backward compatibility) */
|
|
|
|
*loss_ptr = 0;
|
|
|
|
|
2012-10-08 20:54:00 +02:00
|
|
|
dst_pix_fmt = AV_PIX_FMT_NONE; /* so first iteration doesn't have to be treated special */
|
|
|
|
for(i = 0; i< FFMIN(AV_PIX_FMT_NB, 64); i++){
|
2011-08-26 19:03:50 +02:00
|
|
|
if (pix_fmt_mask & (1ULL << i))
|
2012-07-25 01:37:38 +02:00
|
|
|
dst_pix_fmt = avcodec_find_best_pix_fmt_of_2(dst_pix_fmt, i, src_pix_fmt, has_alpha, loss_ptr);
|
2011-08-26 19:03:50 +02:00
|
|
|
}
|
|
|
|
return dst_pix_fmt;
|
|
|
|
}
|
2012-07-02 11:31:26 +02:00
|
|
|
#endif /* FF_API_FIND_BEST_PIX_FMT */
|
2011-08-26 19:03:50 +02:00
|
|
|
|
2012-10-08 20:54:00 +02:00
|
|
|
enum AVPixelFormat avcodec_find_best_pix_fmt_of_2(enum AVPixelFormat dst_pix_fmt1, enum AVPixelFormat dst_pix_fmt2,
|
|
|
|
enum AVPixelFormat src_pix_fmt, int has_alpha, int *loss_ptr)
|
2011-08-26 19:03:50 +02:00
|
|
|
{
|
2012-10-06 12:10:34 +02:00
|
|
|
enum AVPixelFormat dst_pix_fmt;
|
2011-08-26 19:03:50 +02:00
|
|
|
int loss1, loss2, loss_order1, loss_order2, i, loss_mask;
|
2003-04-20 18:18:44 +02:00
|
|
|
static const int loss_mask_order[] = {
|
|
|
|
~0, /* no loss first */
|
|
|
|
~FF_LOSS_ALPHA,
|
|
|
|
~FF_LOSS_RESOLUTION,
|
2012-07-18 17:17:46 +02:00
|
|
|
~FF_LOSS_COLORSPACE,
|
2003-04-20 18:18:44 +02:00
|
|
|
~(FF_LOSS_COLORSPACE | FF_LOSS_RESOLUTION),
|
|
|
|
~FF_LOSS_COLORQUANT,
|
|
|
|
~FF_LOSS_DEPTH,
|
2012-04-17 03:17:19 +02:00
|
|
|
~(FF_LOSS_DEPTH|FF_LOSS_COLORSPACE),
|
2011-08-26 19:03:50 +02:00
|
|
|
~(FF_LOSS_RESOLUTION | FF_LOSS_DEPTH | FF_LOSS_COLORSPACE | FF_LOSS_ALPHA |
|
|
|
|
FF_LOSS_COLORQUANT | FF_LOSS_CHROMA),
|
2011-08-27 01:07:00 +02:00
|
|
|
0x80000, //non zero entry that combines all loss variants including future additions
|
2003-04-20 18:18:44 +02:00
|
|
|
0,
|
|
|
|
};
|
|
|
|
|
2011-08-26 19:03:50 +02:00
|
|
|
loss_mask= loss_ptr?~*loss_ptr:~0; /* use loss mask if provided */
|
2012-10-08 20:54:00 +02:00
|
|
|
dst_pix_fmt = AV_PIX_FMT_NONE;
|
2011-08-26 19:03:50 +02:00
|
|
|
loss1 = avcodec_get_pix_fmt_loss(dst_pix_fmt1, src_pix_fmt, has_alpha) & loss_mask;
|
|
|
|
loss2 = avcodec_get_pix_fmt_loss(dst_pix_fmt2, src_pix_fmt, has_alpha) & loss_mask;
|
|
|
|
|
2003-04-20 18:18:44 +02:00
|
|
|
/* try with successive loss */
|
2012-10-08 20:54:00 +02:00
|
|
|
for(i = 0;loss_mask_order[i] != 0 && dst_pix_fmt == AV_PIX_FMT_NONE;i++) {
|
2011-08-26 19:03:50 +02:00
|
|
|
loss_order1 = loss1 & loss_mask_order[i];
|
|
|
|
loss_order2 = loss2 & loss_mask_order[i];
|
|
|
|
|
2012-10-13 23:41:10 +02:00
|
|
|
if (loss_order1 == 0 && loss_order2 == 0 && dst_pix_fmt2 != AV_PIX_FMT_NONE && dst_pix_fmt1 != AV_PIX_FMT_NONE){ /* use format with smallest depth */
|
2011-08-26 19:03:50 +02:00
|
|
|
dst_pix_fmt = avg_bits_per_pixel(dst_pix_fmt2) < avg_bits_per_pixel(dst_pix_fmt1) ? dst_pix_fmt2 : dst_pix_fmt1;
|
|
|
|
} else if (loss_order1 == 0 || loss_order2 == 0) { /* use format with no loss */
|
|
|
|
dst_pix_fmt = loss_order2 ? dst_pix_fmt1 : dst_pix_fmt2;
|
|
|
|
}
|
2003-04-20 18:18:44 +02:00
|
|
|
}
|
2011-08-26 19:03:50 +02:00
|
|
|
|
2003-04-20 18:18:44 +02:00
|
|
|
if (loss_ptr)
|
|
|
|
*loss_ptr = avcodec_get_pix_fmt_loss(dst_pix_fmt, src_pix_fmt, has_alpha);
|
|
|
|
return dst_pix_fmt;
|
|
|
|
}
|
|
|
|
|
2012-08-31 20:35:27 +02:00
|
|
|
#if AV_HAVE_INCOMPATIBLE_FORK_ABI
|
2012-10-08 20:54:00 +02:00
|
|
|
enum AVPixelFormat avcodec_find_best_pix_fmt2(enum AVPixelFormat *pix_fmt_list,
|
|
|
|
enum AVPixelFormat src_pix_fmt,
|
2012-08-31 20:35:27 +02:00
|
|
|
int has_alpha, int *loss_ptr){
|
|
|
|
return avcodec_find_best_pix_fmt_of_list(pix_fmt_list, src_pix_fmt, has_alpha, loss_ptr);
|
|
|
|
}
|
|
|
|
#else
|
2012-10-08 20:54:00 +02:00
|
|
|
enum AVPixelFormat avcodec_find_best_pix_fmt2(enum AVPixelFormat dst_pix_fmt1, enum AVPixelFormat dst_pix_fmt2,
|
|
|
|
enum AVPixelFormat src_pix_fmt, int has_alpha, int *loss_ptr)
|
2012-07-25 01:37:38 +02:00
|
|
|
{
|
|
|
|
return avcodec_find_best_pix_fmt_of_2(dst_pix_fmt1, dst_pix_fmt2, src_pix_fmt, has_alpha, loss_ptr);
|
|
|
|
}
|
2012-08-31 20:35:27 +02:00
|
|
|
#endif
|
2012-07-25 01:37:38 +02:00
|
|
|
|
2012-10-08 20:54:00 +02:00
|
|
|
enum AVPixelFormat avcodec_find_best_pix_fmt_of_list(enum AVPixelFormat *pix_fmt_list,
|
|
|
|
enum AVPixelFormat src_pix_fmt,
|
2012-07-15 01:50:02 +02:00
|
|
|
int has_alpha, int *loss_ptr){
|
|
|
|
int i;
|
|
|
|
|
2012-10-08 20:54:00 +02:00
|
|
|
enum AVPixelFormat best = AV_PIX_FMT_NONE;
|
2012-07-15 01:50:02 +02:00
|
|
|
|
2012-10-08 20:54:00 +02:00
|
|
|
for(i=0; pix_fmt_list[i] != AV_PIX_FMT_NONE; i++)
|
2012-07-25 01:37:38 +02:00
|
|
|
best = avcodec_find_best_pix_fmt_of_2(best, pix_fmt_list[i], src_pix_fmt, has_alpha, loss_ptr);
|
2012-07-15 01:50:02 +02:00
|
|
|
|
|
|
|
return best;
|
|
|
|
}
|
|
|
|
|
2010-08-11 16:18:52 +02:00
|
|
|
void av_picture_copy(AVPicture *dst, const AVPicture *src,
|
2012-10-06 12:10:34 +02:00
|
|
|
enum AVPixelFormat pix_fmt, int width, int height)
|
2010-08-11 16:18:52 +02:00
|
|
|
{
|
2012-09-05 18:44:42 +02:00
|
|
|
av_image_copy(dst->data, dst->linesize, (const uint8_t **)src->data,
|
2010-09-07 23:23:59 +02:00
|
|
|
src->linesize, pix_fmt, width, height);
|
2010-08-11 16:18:52 +02:00
|
|
|
}
|
|
|
|
|
2001-08-11 21:03:02 +02:00
|
|
|
/* 2x2 -> 1x1 */
|
2006-03-31 22:43:37 +02:00
|
|
|
void ff_shrink22(uint8_t *dst, int dst_wrap,
|
2003-04-21 16:38:52 +02:00
|
|
|
const uint8_t *src, int src_wrap,
|
2001-08-11 21:03:02 +02:00
|
|
|
int width, int height)
|
|
|
|
{
|
|
|
|
int w;
|
2003-04-21 16:38:52 +02:00
|
|
|
const uint8_t *s1, *s2;
|
|
|
|
uint8_t *d;
|
2001-08-11 21:03:02 +02:00
|
|
|
|
|
|
|
for(;height > 0; height--) {
|
|
|
|
s1 = src;
|
|
|
|
s2 = s1 + src_wrap;
|
|
|
|
d = dst;
|
|
|
|
for(w = width;w >= 4; w-=4) {
|
2003-04-21 17:01:37 +02:00
|
|
|
d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 2;
|
|
|
|
d[1] = (s1[2] + s1[3] + s2[2] + s2[3] + 2) >> 2;
|
|
|
|
d[2] = (s1[4] + s1[5] + s2[4] + s2[5] + 2) >> 2;
|
|
|
|
d[3] = (s1[6] + s1[7] + s2[6] + s2[7] + 2) >> 2;
|
2001-08-11 21:03:02 +02:00
|
|
|
s1 += 8;
|
|
|
|
s2 += 8;
|
|
|
|
d += 4;
|
|
|
|
}
|
|
|
|
for(;w > 0; w--) {
|
2003-04-21 17:01:37 +02:00
|
|
|
d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 2;
|
2001-08-11 21:03:02 +02:00
|
|
|
s1 += 2;
|
|
|
|
s2 += 2;
|
|
|
|
d++;
|
|
|
|
}
|
|
|
|
src += 2 * src_wrap;
|
|
|
|
dst += dst_wrap;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2003-04-21 16:38:52 +02:00
|
|
|
/* 4x4 -> 1x1 */
|
2006-03-31 22:43:37 +02:00
|
|
|
void ff_shrink44(uint8_t *dst, int dst_wrap,
|
2003-04-21 16:38:52 +02:00
|
|
|
const uint8_t *src, int src_wrap,
|
2002-07-21 09:54:53 +02:00
|
|
|
int width, int height)
|
|
|
|
{
|
|
|
|
int w;
|
2003-04-21 16:38:52 +02:00
|
|
|
const uint8_t *s1, *s2, *s3, *s4;
|
|
|
|
uint8_t *d;
|
2002-07-21 09:54:53 +02:00
|
|
|
|
|
|
|
for(;height > 0; height--) {
|
|
|
|
s1 = src;
|
2003-04-21 16:38:52 +02:00
|
|
|
s2 = s1 + src_wrap;
|
|
|
|
s3 = s2 + src_wrap;
|
|
|
|
s4 = s3 + src_wrap;
|
2002-07-21 09:54:53 +02:00
|
|
|
d = dst;
|
2003-04-21 16:38:52 +02:00
|
|
|
for(w = width;w > 0; w--) {
|
|
|
|
d[0] = (s1[0] + s1[1] + s1[2] + s1[3] +
|
|
|
|
s2[0] + s2[1] + s2[2] + s2[3] +
|
|
|
|
s3[0] + s3[1] + s3[2] + s3[3] +
|
|
|
|
s4[0] + s4[1] + s4[2] + s4[3] + 8) >> 4;
|
|
|
|
s1 += 4;
|
|
|
|
s2 += 4;
|
|
|
|
s3 += 4;
|
|
|
|
s4 += 4;
|
2002-07-21 09:54:53 +02:00
|
|
|
d++;
|
|
|
|
}
|
2003-04-21 16:38:52 +02:00
|
|
|
src += 4 * src_wrap;
|
|
|
|
dst += dst_wrap;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2006-03-31 22:43:37 +02:00
|
|
|
/* 8x8 -> 1x1 */
|
|
|
|
void ff_shrink88(uint8_t *dst, int dst_wrap,
|
|
|
|
const uint8_t *src, int src_wrap,
|
|
|
|
int width, int height)
|
|
|
|
{
|
|
|
|
int w, i;
|
|
|
|
|
|
|
|
for(;height > 0; height--) {
|
|
|
|
for(w = width;w > 0; w--) {
|
|
|
|
int tmp=0;
|
|
|
|
for(i=0; i<8; i++){
|
|
|
|
tmp += src[0] + src[1] + src[2] + src[3] + src[4] + src[5] + src[6] + src[7];
|
|
|
|
src += src_wrap;
|
|
|
|
}
|
|
|
|
*(dst++) = (tmp + 32)>>6;
|
|
|
|
src += 8 - 8*src_wrap;
|
|
|
|
}
|
|
|
|
src += 8*src_wrap - 8*width;
|
|
|
|
dst += dst_wrap - width;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2003-01-11 01:08:48 +01:00
|
|
|
|
2003-10-11 10:18:05 +02:00
|
|
|
int avpicture_alloc(AVPicture *picture,
|
2012-10-06 12:10:34 +02:00
|
|
|
enum AVPixelFormat pix_fmt, int width, int height)
|
2003-01-11 01:08:48 +01:00
|
|
|
{
|
2010-12-08 11:24:09 +01:00
|
|
|
int ret;
|
|
|
|
|
2010-12-12 16:31:49 +01:00
|
|
|
if ((ret = av_image_alloc(picture->data, picture->linesize, width, height, pix_fmt, 1)) < 0) {
|
2010-12-08 11:24:07 +01:00
|
|
|
memset(picture, 0, sizeof(AVPicture));
|
2010-12-08 11:24:09 +01:00
|
|
|
return ret;
|
2010-12-08 11:24:02 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
2003-01-11 01:08:48 +01:00
|
|
|
}
|
|
|
|
|
2003-10-11 10:18:05 +02:00
|
|
|
void avpicture_free(AVPicture *picture)
|
2003-01-11 01:08:48 +01:00
|
|
|
{
|
2003-01-24 00:03:09 +01:00
|
|
|
av_free(picture->data[0]);
|
2003-01-11 01:08:48 +01:00
|
|
|
}
|
|
|
|
|
2003-04-21 14:12:58 +02:00
|
|
|
/* return true if yuv planar */
|
2012-10-08 20:54:00 +02:00
|
|
|
static inline int is_yuv_planar(enum AVPixelFormat fmt)
|
2003-04-21 14:12:58 +02:00
|
|
|
{
|
2011-07-23 15:37:05 +02:00
|
|
|
const PixFmtInfo *info = &pix_fmt_info[fmt];
|
2012-10-12 16:48:26 +02:00
|
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt);
|
2011-07-23 15:37:05 +02:00
|
|
|
int i;
|
|
|
|
int planes[4] = { 0 };
|
|
|
|
|
|
|
|
if (info->color_type != FF_COLOR_YUV &&
|
|
|
|
info->color_type != FF_COLOR_YUV_JPEG)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* set the used planes */
|
|
|
|
for (i = 0; i < desc->nb_components; i++)
|
|
|
|
planes[desc->comp[i].plane] = 1;
|
|
|
|
|
|
|
|
/* if there is an unused plane, the format is not planar */
|
|
|
|
for (i = 0; i < desc->nb_components; i++)
|
|
|
|
if (!planes[i])
|
|
|
|
return 0;
|
|
|
|
return 1;
|
2003-04-21 14:12:58 +02:00
|
|
|
}
|
|
|
|
|
2007-03-04 12:53:11 +01:00
|
|
|
int av_picture_crop(AVPicture *dst, const AVPicture *src,
|
2012-10-06 12:10:34 +02:00
|
|
|
enum AVPixelFormat pix_fmt, int top_band, int left_band)
|
2006-03-10 14:55:48 +01:00
|
|
|
{
|
2012-10-06 13:29:37 +02:00
|
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
|
2006-03-10 14:55:48 +01:00
|
|
|
int y_shift;
|
|
|
|
int x_shift;
|
|
|
|
|
2012-10-08 20:54:00 +02:00
|
|
|
if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB)
|
2006-03-10 14:55:48 +01:00
|
|
|
return -1;
|
|
|
|
|
2012-10-06 13:29:37 +02:00
|
|
|
y_shift = desc->log2_chroma_h;
|
|
|
|
x_shift = desc->log2_chroma_w;
|
2006-03-10 14:55:48 +01:00
|
|
|
|
2011-07-23 15:37:05 +02:00
|
|
|
if (is_yuv_planar(pix_fmt)) {
|
2006-03-10 14:55:48 +01:00
|
|
|
dst->data[0] = src->data[0] + (top_band * src->linesize[0]) + left_band;
|
|
|
|
dst->data[1] = src->data[1] + ((top_band >> y_shift) * src->linesize[1]) + (left_band >> x_shift);
|
|
|
|
dst->data[2] = src->data[2] + ((top_band >> y_shift) * src->linesize[2]) + (left_band >> x_shift);
|
2011-05-15 22:37:02 +02:00
|
|
|
} else{
|
|
|
|
if(top_band % (1<<y_shift) || left_band % (1<<x_shift))
|
|
|
|
return -1;
|
|
|
|
if(left_band) //FIXME add support for this too
|
|
|
|
return -1;
|
|
|
|
dst->data[0] = src->data[0] + (top_band * src->linesize[0]) + left_band;
|
|
|
|
}
|
2006-03-10 14:55:48 +01:00
|
|
|
|
|
|
|
dst->linesize[0] = src->linesize[0];
|
|
|
|
dst->linesize[1] = src->linesize[1];
|
|
|
|
dst->linesize[2] = src->linesize[2];
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2007-03-04 12:53:11 +01:00
|
|
|
int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
|
2012-10-06 12:10:34 +02:00
|
|
|
enum AVPixelFormat pix_fmt, int padtop, int padbottom, int padleft, int padright,
|
2007-01-17 11:47:58 +01:00
|
|
|
int *color)
|
2006-04-10 09:45:29 +02:00
|
|
|
{
|
2012-10-06 13:29:37 +02:00
|
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
|
2007-01-17 12:02:07 +01:00
|
|
|
uint8_t *optr;
|
2006-04-10 09:45:29 +02:00
|
|
|
int y_shift;
|
|
|
|
int x_shift;
|
|
|
|
int yheight;
|
|
|
|
int i, y;
|
|
|
|
|
2012-10-06 12:10:34 +02:00
|
|
|
if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB ||
|
2011-07-23 15:37:05 +02:00
|
|
|
!is_yuv_planar(pix_fmt)) return -1;
|
2006-04-10 09:45:29 +02:00
|
|
|
|
|
|
|
for (i = 0; i < 3; i++) {
|
2012-10-06 13:29:37 +02:00
|
|
|
x_shift = i ? desc->log2_chroma_w : 0;
|
|
|
|
y_shift = i ? desc->log2_chroma_h : 0;
|
2006-04-10 09:45:29 +02:00
|
|
|
|
|
|
|
if (padtop || padleft) {
|
2007-01-17 11:47:58 +01:00
|
|
|
memset(dst->data[i], color[i],
|
|
|
|
dst->linesize[i] * (padtop >> y_shift) + (padleft >> x_shift));
|
2006-04-10 09:45:29 +02:00
|
|
|
}
|
|
|
|
|
2007-01-17 12:02:07 +01:00
|
|
|
if (padleft || padright) {
|
|
|
|
optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) +
|
|
|
|
(dst->linesize[i] - (padright >> x_shift));
|
|
|
|
yheight = (height - 1 - (padtop + padbottom)) >> y_shift;
|
|
|
|
for (y = 0; y < yheight; y++) {
|
|
|
|
memset(optr, color[i], (padleft + padright) >> x_shift);
|
|
|
|
optr += dst->linesize[i];
|
2006-04-10 09:45:29 +02:00
|
|
|
}
|
2007-01-17 12:02:07 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
if (src) { /* first line */
|
|
|
|
uint8_t *iptr = src->data[i];
|
|
|
|
optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) +
|
|
|
|
(padleft >> x_shift);
|
2008-06-01 04:28:33 +02:00
|
|
|
memcpy(optr, iptr, (width - padleft - padright) >> x_shift);
|
2007-01-17 12:02:07 +01:00
|
|
|
iptr += src->linesize[i];
|
2007-01-17 11:47:58 +01:00
|
|
|
optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) +
|
|
|
|
(dst->linesize[i] - (padright >> x_shift));
|
2006-04-10 09:45:29 +02:00
|
|
|
yheight = (height - 1 - (padtop + padbottom)) >> y_shift;
|
|
|
|
for (y = 0; y < yheight; y++) {
|
|
|
|
memset(optr, color[i], (padleft + padright) >> x_shift);
|
2007-01-17 12:02:07 +01:00
|
|
|
memcpy(optr + ((padleft + padright) >> x_shift), iptr,
|
2008-06-01 04:28:33 +02:00
|
|
|
(width - padleft - padright) >> x_shift);
|
2007-01-17 12:02:07 +01:00
|
|
|
iptr += src->linesize[i];
|
2006-04-10 09:45:29 +02:00
|
|
|
optr += dst->linesize[i];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (padbottom || padright) {
|
2007-01-17 11:47:58 +01:00
|
|
|
optr = dst->data[i] + dst->linesize[i] *
|
|
|
|
((height - padbottom) >> y_shift) - (padright >> x_shift);
|
|
|
|
memset(optr, color[i],dst->linesize[i] *
|
|
|
|
(padbottom >> y_shift) + (padright >> x_shift));
|
2006-04-10 09:45:29 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2012-08-28 14:53:33 +02:00
|
|
|
#if !HAVE_MMX_EXTERNAL
|
2001-08-11 21:03:02 +02:00
|
|
|
/* filter parameters: [-1 4 2 4 -1] // 8 */
|
2010-07-31 16:50:51 +02:00
|
|
|
static void deinterlace_line_c(uint8_t *dst,
|
2005-12-22 02:10:11 +01:00
|
|
|
const uint8_t *lum_m4, const uint8_t *lum_m3,
|
|
|
|
const uint8_t *lum_m2, const uint8_t *lum_m1,
|
|
|
|
const uint8_t *lum,
|
|
|
|
int size)
|
2001-08-11 21:03:02 +02:00
|
|
|
{
|
2006-11-12 21:08:09 +01:00
|
|
|
uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
|
2001-08-11 21:03:02 +02:00
|
|
|
int sum;
|
|
|
|
|
|
|
|
for(;size > 0;size--) {
|
2002-10-30 10:09:34 +01:00
|
|
|
sum = -lum_m4[0];
|
|
|
|
sum += lum_m3[0] << 2;
|
|
|
|
sum += lum_m2[0] << 1;
|
|
|
|
sum += lum_m1[0] << 2;
|
|
|
|
sum += -lum[0];
|
2001-08-11 21:03:02 +02:00
|
|
|
dst[0] = cm[(sum + 4) >> 3];
|
2002-10-30 10:09:34 +01:00
|
|
|
lum_m4++;
|
|
|
|
lum_m3++;
|
|
|
|
lum_m2++;
|
|
|
|
lum_m1++;
|
|
|
|
lum++;
|
2001-08-11 21:03:02 +02:00
|
|
|
dst++;
|
|
|
|
}
|
2002-10-30 10:09:34 +01:00
|
|
|
}
|
2010-07-31 16:50:51 +02:00
|
|
|
|
|
|
|
static void deinterlace_line_inplace_c(uint8_t *lum_m4, uint8_t *lum_m3,
|
|
|
|
uint8_t *lum_m2, uint8_t *lum_m1,
|
|
|
|
uint8_t *lum, int size)
|
2002-10-30 10:09:34 +01:00
|
|
|
{
|
2006-11-12 21:08:09 +01:00
|
|
|
uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
|
2002-10-30 10:09:34 +01:00
|
|
|
int sum;
|
|
|
|
|
|
|
|
for(;size > 0;size--) {
|
|
|
|
sum = -lum_m4[0];
|
|
|
|
sum += lum_m3[0] << 2;
|
|
|
|
sum += lum_m2[0] << 1;
|
|
|
|
lum_m4[0]=lum_m2[0];
|
|
|
|
sum += lum_m1[0] << 2;
|
|
|
|
sum += -lum[0];
|
|
|
|
lum_m2[0] = cm[(sum + 4) >> 3];
|
|
|
|
lum_m4++;
|
|
|
|
lum_m3++;
|
|
|
|
lum_m2++;
|
|
|
|
lum_m1++;
|
|
|
|
lum++;
|
|
|
|
}
|
2001-08-11 21:03:02 +02:00
|
|
|
}
|
2012-08-28 14:53:33 +02:00
|
|
|
#endif /* !HAVE_MMX_EXTERNAL */
|
2001-08-11 21:03:02 +02:00
|
|
|
|
|
|
|
/* deinterlacing : 2 temporal taps, 3 spatial taps linear filter. The
|
|
|
|
top field is copied as is, but the bottom field is deinterlaced
|
|
|
|
against the top field. */
|
2003-02-11 17:35:48 +01:00
|
|
|
static void deinterlace_bottom_field(uint8_t *dst, int dst_wrap,
|
2003-09-29 17:44:59 +02:00
|
|
|
const uint8_t *src1, int src_wrap,
|
2002-10-30 10:09:34 +01:00
|
|
|
int width, int height)
|
2001-08-11 21:03:02 +02:00
|
|
|
{
|
2003-09-29 17:44:59 +02:00
|
|
|
const uint8_t *src_m2, *src_m1, *src_0, *src_p1, *src_p2;
|
2002-10-30 10:09:34 +01:00
|
|
|
int y;
|
|
|
|
|
|
|
|
src_m2 = src1;
|
|
|
|
src_m1 = src1;
|
|
|
|
src_0=&src_m1[src_wrap];
|
|
|
|
src_p1=&src_0[src_wrap];
|
|
|
|
src_p2=&src_p1[src_wrap];
|
|
|
|
for(y=0;y<(height-2);y+=2) {
|
|
|
|
memcpy(dst,src_m1,width);
|
2001-08-11 21:03:02 +02:00
|
|
|
dst += dst_wrap;
|
2002-10-30 10:09:34 +01:00
|
|
|
deinterlace_line(dst,src_m2,src_m1,src_0,src_p1,src_p2,width);
|
|
|
|
src_m2 = src_0;
|
|
|
|
src_m1 = src_p1;
|
|
|
|
src_0 = src_p2;
|
|
|
|
src_p1 += 2*src_wrap;
|
|
|
|
src_p2 += 2*src_wrap;
|
2001-08-11 21:03:02 +02:00
|
|
|
dst += dst_wrap;
|
|
|
|
}
|
2002-10-30 10:09:34 +01:00
|
|
|
memcpy(dst,src_m1,width);
|
|
|
|
dst += dst_wrap;
|
|
|
|
/* do last line */
|
|
|
|
deinterlace_line(dst,src_m2,src_m1,src_0,src_0,src_0,width);
|
|
|
|
}
|
|
|
|
|
2003-02-11 17:35:48 +01:00
|
|
|
static void deinterlace_bottom_field_inplace(uint8_t *src1, int src_wrap,
|
2005-12-22 02:10:11 +01:00
|
|
|
int width, int height)
|
2002-10-30 10:09:34 +01:00
|
|
|
{
|
2003-02-11 17:35:48 +01:00
|
|
|
uint8_t *src_m1, *src_0, *src_p1, *src_p2;
|
2002-10-30 10:09:34 +01:00
|
|
|
int y;
|
2003-02-11 17:35:48 +01:00
|
|
|
uint8_t *buf;
|
2011-12-31 16:30:59 +01:00
|
|
|
buf = av_malloc(width);
|
2002-10-30 10:09:34 +01:00
|
|
|
|
|
|
|
src_m1 = src1;
|
|
|
|
memcpy(buf,src_m1,width);
|
|
|
|
src_0=&src_m1[src_wrap];
|
|
|
|
src_p1=&src_0[src_wrap];
|
|
|
|
src_p2=&src_p1[src_wrap];
|
|
|
|
for(y=0;y<(height-2);y+=2) {
|
|
|
|
deinterlace_line_inplace(buf,src_m1,src_0,src_p1,src_p2,width);
|
|
|
|
src_m1 = src_p1;
|
|
|
|
src_0 = src_p2;
|
|
|
|
src_p1 += 2*src_wrap;
|
|
|
|
src_p2 += 2*src_wrap;
|
|
|
|
}
|
|
|
|
/* do last line */
|
|
|
|
deinterlace_line_inplace(buf,src_m1,src_0,src_0,src_0,width);
|
2002-05-19 01:03:29 +02:00
|
|
|
av_free(buf);
|
2001-08-11 21:03:02 +02:00
|
|
|
}
|
|
|
|
|
2003-09-29 17:44:59 +02:00
|
|
|
int avpicture_deinterlace(AVPicture *dst, const AVPicture *src,
|
2012-10-06 12:10:34 +02:00
|
|
|
enum AVPixelFormat pix_fmt, int width, int height)
|
2001-07-22 16:18:56 +02:00
|
|
|
{
|
2001-08-11 21:03:02 +02:00
|
|
|
int i;
|
|
|
|
|
2012-10-06 12:10:34 +02:00
|
|
|
if (pix_fmt != AV_PIX_FMT_YUV420P &&
|
|
|
|
pix_fmt != AV_PIX_FMT_YUVJ420P &&
|
|
|
|
pix_fmt != AV_PIX_FMT_YUV422P &&
|
|
|
|
pix_fmt != AV_PIX_FMT_YUVJ422P &&
|
|
|
|
pix_fmt != AV_PIX_FMT_YUV444P &&
|
|
|
|
pix_fmt != AV_PIX_FMT_YUV411P &&
|
|
|
|
pix_fmt != AV_PIX_FMT_GRAY8)
|
2001-08-11 21:03:02 +02:00
|
|
|
return -1;
|
2002-10-30 10:09:34 +01:00
|
|
|
if ((width & 3) != 0 || (height & 3) != 0)
|
2001-08-11 21:03:02 +02:00
|
|
|
return -1;
|
2002-10-30 10:09:34 +01:00
|
|
|
|
2001-08-11 21:03:02 +02:00
|
|
|
for(i=0;i<3;i++) {
|
|
|
|
if (i == 1) {
|
|
|
|
switch(pix_fmt) {
|
2012-10-06 12:10:34 +02:00
|
|
|
case AV_PIX_FMT_YUVJ420P:
|
|
|
|
case AV_PIX_FMT_YUV420P:
|
2001-08-11 21:03:02 +02:00
|
|
|
width >>= 1;
|
|
|
|
height >>= 1;
|
|
|
|
break;
|
2012-10-06 12:10:34 +02:00
|
|
|
case AV_PIX_FMT_YUV422P:
|
|
|
|
case AV_PIX_FMT_YUVJ422P:
|
2001-08-11 21:03:02 +02:00
|
|
|
width >>= 1;
|
|
|
|
break;
|
2012-10-06 12:10:34 +02:00
|
|
|
case AV_PIX_FMT_YUV411P:
|
2003-08-27 00:05:12 +02:00
|
|
|
width >>= 2;
|
|
|
|
break;
|
2001-08-11 21:03:02 +02:00
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
2012-10-06 12:10:34 +02:00
|
|
|
if (pix_fmt == AV_PIX_FMT_GRAY8) {
|
2007-10-12 00:31:08 +02:00
|
|
|
break;
|
|
|
|
}
|
2001-08-11 21:03:02 +02:00
|
|
|
}
|
2002-10-30 10:09:34 +01:00
|
|
|
if (src == dst) {
|
2003-09-29 17:44:59 +02:00
|
|
|
deinterlace_bottom_field_inplace(dst->data[i], dst->linesize[i],
|
2001-08-11 21:03:02 +02:00
|
|
|
width, height);
|
2002-10-30 10:09:34 +01:00
|
|
|
} else {
|
|
|
|
deinterlace_bottom_field(dst->data[i],dst->linesize[i],
|
|
|
|
src->data[i], src->linesize[i],
|
|
|
|
width, height);
|
|
|
|
}
|
2001-07-22 16:18:56 +02:00
|
|
|
}
|
2007-09-29 17:09:34 +02:00
|
|
|
emms_c();
|
2001-08-11 21:03:02 +02:00
|
|
|
return 0;
|
2001-07-22 16:18:56 +02:00
|
|
|
}
|