2010-01-30 16:57:40 +00:00
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/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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2002-04-09 14:01:53 +00:00
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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2005-11-18 14:39:25 +00:00
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#include "config.h"
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2013-12-17 01:39:45 +00:00
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#include "common/msg.h"
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2002-04-09 14:01:53 +00:00
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2012-11-09 00:06:43 +00:00
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#include "video/img_format.h"
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#include "video/mp_image.h"
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2002-04-09 14:01:53 +00:00
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#include "vf.h"
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2013-12-17 01:02:25 +00:00
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#include "options/m_option.h"
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2003-03-15 20:51:35 +00:00
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static struct vf_priv_s {
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options: use m_config for options instead of m_struct
For some reason, both m_config and m_struct are somewhat similar, except
that m_config is much more powerful. m_config is used for VOs and some
other things, so to unify them. We plan to kick out m_struct and use
m_config for everything. (Unfortunately, m_config is also a bit more
bloated, so this commit isn't all that great, but it will allow to
reduce the option parser mess somewhat.)
This commit also switches all video filters to use the option macros.
One reason is that m_struct and m_config, even though they both use
m_option, store the offsets of the option fields differently (sigh...),
meaning the options defined for either are incompatible. It's easier to
switch everything in one go.
This commit will allow using the -vf option parser for other things,
like VOs and AOs.
2013-07-21 17:33:08 +00:00
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int fmt;
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int outfmt;
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2007-01-28 16:48:01 +00:00
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} const vf_priv_dflt = {
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video: decouple internal pixel formats from FourCCs
mplayer's video chain traditionally used FourCCs for pixel formats. For
example, it used IMGFMT_YV12 for 4:2:0 YUV, which was defined to the
string 'YV12' interpreted as unsigned int. Additionally, it used to
encode information into the numeric values of some formats. The RGB
formats had their bit depth and endian encoded into the least
significant byte. Extended planar formats (420P10 etc.) had chroma
shift, endian, and component bit depth encoded. (This has been removed
in recent commits.)
Replace the FourCC mess with a simple enum. Remove all the redundant
formats like YV12/I420/IYUV. Replace some image format names by
something more intuitive, most importantly IMGFMT_YV12 -> IMGFMT_420P.
Add img_fourcc.h, which contains the old IDs for code that actually uses
FourCCs. Change the way demuxers, that output raw video, identify the
video format: they set either MP_FOURCC_RAWVIDEO or MP_FOURCC_IMGFMT to
request the rawvideo decoder, and sh_video->imgfmt specifies the pixel
format. Like the previous hack, this is supposed to avoid the need for
a complete codecs.cfg entry per format, or other lookup tables. (Note
that the RGB raw video FourCCs mostly rely on ffmpeg's mappings for NUT
raw video, but this is still considered better than adding a raw video
decoder - even if trivial, it would be full of annoying lookup tables.)
The TV code has not been tested.
Some corrective changes regarding endian and other image format flags
creep in.
2012-12-23 19:03:30 +00:00
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IMGFMT_YUYV,
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2010-06-05 17:55:20 +00:00
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0
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2002-04-09 14:01:53 +00:00
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};
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//===========================================================================//
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2010-05-29 14:15:55 +00:00
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static int query_format(struct vf_instance *vf, unsigned int fmt){
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2010-06-05 17:55:20 +00:00
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if(fmt==vf->priv->fmt) {
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if (vf->priv->outfmt)
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fmt = vf->priv->outfmt;
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2002-04-09 14:01:53 +00:00
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return vf_next_query_format(vf,fmt);
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2010-06-05 17:55:20 +00:00
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}
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2002-04-09 14:01:53 +00:00
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return 0;
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}
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2010-06-05 17:55:20 +00:00
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static int config(struct vf_instance *vf, int width, int height,
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int d_width, int d_height,
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unsigned flags, unsigned outfmt){
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return vf_next_config(vf, width, height, d_width, d_height, flags, vf->priv->outfmt);
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}
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2013-01-17 15:23:01 +00:00
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static struct mp_image *filter(struct vf_instance *vf, struct mp_image *mpi)
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{
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// As documented in the manpage, the user can easily provoke crashes
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if (vf->priv->outfmt)
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mp_image_setfmt(mpi, vf->priv->outfmt);
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return mpi;
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}
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2013-12-03 23:01:38 +00:00
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static int vf_open(vf_instance_t *vf){
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2002-04-09 14:01:53 +00:00
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vf->query_format=query_format;
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2013-01-17 15:23:01 +00:00
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if (vf->priv->outfmt) {
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2010-06-05 17:55:20 +00:00
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vf->config=config;
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2013-01-17 15:23:01 +00:00
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vf->filter=filter;
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}
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2002-04-09 14:01:53 +00:00
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return 1;
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}
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options: use m_config for options instead of m_struct
For some reason, both m_config and m_struct are somewhat similar, except
that m_config is much more powerful. m_config is used for VOs and some
other things, so to unify them. We plan to kick out m_struct and use
m_config for everything. (Unfortunately, m_config is also a bit more
bloated, so this commit isn't all that great, but it will allow to
reduce the option parser mess somewhat.)
This commit also switches all video filters to use the option macros.
One reason is that m_struct and m_config, even though they both use
m_option, store the offsets of the option fields differently (sigh...),
meaning the options defined for either are incompatible. It's easier to
switch everything in one go.
This commit will allow using the -vf option parser for other things,
like VOs and AOs.
2013-07-21 17:33:08 +00:00
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#define OPT_BASE_STRUCT struct vf_priv_s
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2008-04-26 13:35:40 +00:00
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static const m_option_t vf_opts_fields[] = {
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options: use m_config for options instead of m_struct
For some reason, both m_config and m_struct are somewhat similar, except
that m_config is much more powerful. m_config is used for VOs and some
other things, so to unify them. We plan to kick out m_struct and use
m_config for everything. (Unfortunately, m_config is also a bit more
bloated, so this commit isn't all that great, but it will allow to
reduce the option parser mess somewhat.)
This commit also switches all video filters to use the option macros.
One reason is that m_struct and m_config, even though they both use
m_option, store the offsets of the option fields differently (sigh...),
meaning the options defined for either are incompatible. It's easier to
switch everything in one go.
This commit will allow using the -vf option parser for other things,
like VOs and AOs.
2013-07-21 17:33:08 +00:00
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OPT_IMAGEFORMAT("fmt", fmt, 0),
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OPT_IMAGEFORMAT("outfmt", outfmt, 0),
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{0}
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2003-03-15 20:51:35 +00:00
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};
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2007-12-02 14:57:15 +00:00
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const vf_info_t vf_info_format = {
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2013-10-23 17:06:42 +00:00
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.description = "force output format",
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.name = "format",
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.open = vf_open,
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options: use m_config for options instead of m_struct
For some reason, both m_config and m_struct are somewhat similar, except
that m_config is much more powerful. m_config is used for VOs and some
other things, so to unify them. We plan to kick out m_struct and use
m_config for everything. (Unfortunately, m_config is also a bit more
bloated, so this commit isn't all that great, but it will allow to
reduce the option parser mess somewhat.)
This commit also switches all video filters to use the option macros.
One reason is that m_struct and m_config, even though they both use
m_option, store the offsets of the option fields differently (sigh...),
meaning the options defined for either are incompatible. It's easier to
switch everything in one go.
This commit will allow using the -vf option parser for other things,
like VOs and AOs.
2013-07-21 17:33:08 +00:00
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.priv_size = sizeof(struct vf_priv_s),
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.priv_defaults = &vf_priv_dflt,
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.options = vf_opts_fields,
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2002-04-09 14:01:53 +00:00
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};
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//===========================================================================//
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