mirror of
https://github.com/mpv-player/mpv
synced 2025-02-17 21:27:08 +00:00
(de)interleave filter (can be used to split/merge an interlaced image so other non interlaced filters an be used with idividual fields)
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8005 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
michael
parent
3c438bdca0
commit
3a64cf3d52
@ -6,7 +6,7 @@ LIBNAME2 = libmpencoders.a
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AUDIO_SRCS=dec_audio.c ad.c ad_liba52.c ad_acm.c ad_alaw.c ad_dk3adpcm.c ad_dshow.c ad_dvdpcm.c ad_ffmpeg.c ad_hwac3.c ad_imaadpcm.c ad_mp3lib.c ad_msadpcm.c ad_pcm.c ad_roqaudio.c ad_msgsm.c ad_faad.c ad_libvorbis.c ad_libmad.c ad_realaud.c ad_libdv.c
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VIDEO_SRCS=dec_video.c vd.c vd_null.c vd_realvid.c vd_cinepak.c vd_qtrpza.c vd_ffmpeg.c vd_dshow.c vd_vfw.c vd_vfwex.c vd_odivx.c vd_divx4.c vd_raw.c vd_xanim.c vd_msvidc.c vd_fli.c vd_qtrle.c vd_qtsmc.c vd_roqvideo.c vd_cyuv.c vd_nuv.c vd_libmpeg2.c vd_msrle.c vd_huffyuv.c vd_mpegpes.c vd_svq1.c vd_xvid.c vd_libdv.c vd_lcl.c vd_mtga.c vd_lzo.c
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VFILTER_SRCS=vf.c vf_vo.c vf_crop.c vf_expand.c vf_pp.c vf_scale.c vf_format.c vf_yuy2.c vf_flip.c vf_rgb2bgr.c vf_rotate.c vf_mirror.c vf_palette.c vf_lavc.c vf_dvbscale.c vf_cropdetect.c vf_test.c vf_noise.c vf_yvu9.c vf_rectangle.c vf_lavcdeint.c vf_eq.c vf_eq2.c vf_halfpack.c vf_dint.c vf_1bpp.c vf_bmovl.c vf_2xsai.c vf_unsharp.c vf_swapuv.c
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VFILTER_SRCS=vf.c vf_vo.c vf_crop.c vf_expand.c vf_pp.c vf_scale.c vf_format.c vf_yuy2.c vf_flip.c vf_rgb2bgr.c vf_rotate.c vf_mirror.c vf_palette.c vf_lavc.c vf_dvbscale.c vf_cropdetect.c vf_test.c vf_noise.c vf_yvu9.c vf_rectangle.c vf_lavcdeint.c vf_eq.c vf_eq2.c vf_halfpack.c vf_dint.c vf_1bpp.c vf_bmovl.c vf_2xsai.c vf_unsharp.c vf_swapuv.c vf_il.c
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ENCODER_SRCS=ve.c ve_divx4.c ve_lavc.c ve_vfw.c ve_rawrgb.c ve_libdv.c ve_xvid.c
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NATIVE_SRCS=native/RTjpegN.c native/cinepak.c native/cyuv.c native/fli.c native/minilzo.c native/msvidc.c native/nuppelvideo.c native/qtrle.c native/qtrpza.c native/qtsmc.c native/roqav.c native/xa_gsm.c native/svq1.c
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@ -47,6 +47,7 @@ extern vf_info_t vf_info_1bpp;
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extern vf_info_t vf_info_2xsai;
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extern vf_info_t vf_info_unsharp;
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extern vf_info_t vf_info_swapuv;
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extern vf_info_t vf_info_il;
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char** vo_plugin_args=(char**) NULL;
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@ -87,6 +88,7 @@ static vf_info_t* filter_list[]={
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&vf_info_2xsai,
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&vf_info_unsharp,
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&vf_info_swapuv,
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&vf_info_il,
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NULL
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};
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164
libmpcodecs/vf_il.c
Normal file
164
libmpcodecs/vf_il.c
Normal file
@ -0,0 +1,164 @@
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/*
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Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at>
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This program 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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This program 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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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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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#include <assert.h>
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#include "../config.h"
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#include "../mp_msg.h"
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#ifdef HAVE_MALLOC_H
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#include <malloc.h>
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#endif
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#include "img_format.h"
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#include "mp_image.h"
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#include "vf.h"
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#include "../libvo/fastmemcpy.h"
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//===========================================================================//
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struct vf_priv_s {
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int interleave;
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int chroma;
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int swap;
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};
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/***************************************************************************/
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static int config(struct vf_instance_s* vf,
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int width, int height, int d_width, int d_height,
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unsigned int flags, unsigned int outfmt){
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return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
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}
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static int interleave(uint8_t *dst, uint8_t *src, int w, int h, int dstStride, int srcStride, int interleave, int swap){
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const int a= swap;
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const int b= 1-a;
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const int m= h>>1;
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int y;
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switch(interleave){
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case -1:
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for(y=0; y < m; y++){
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memcpy(dst + dstStride* y , src + srcStride*(y*2 + a), w);
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memcpy(dst + dstStride*(y + m), src + srcStride*(y*2 + b), w);
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}
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break;
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case 0:
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for(y=0; y < m; y++){
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memcpy(dst + dstStride* y*2 , src + srcStride*(y*2 + a), w);
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memcpy(dst + dstStride*(y*2+1), src + srcStride*(y*2 + b), w);
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}
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break;
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case 1:
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for(y=0; y < m; y++){
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memcpy(dst + dstStride*(y*2+a), src + srcStride* y , w);
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memcpy(dst + dstStride*(y*2+b), src + srcStride*(y + m), w);
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}
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break;
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}
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}
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static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
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int w;
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mp_image_t *dmpi=vf_get_image(vf->next,mpi->imgfmt,
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MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
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mpi->w,mpi->h);
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if(mpi->flags&MP_IMGFLAG_PLANAR)
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w= mpi->w;
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else
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w= mpi->w * mpi->bpp/8;
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interleave(dmpi->planes[0], mpi->planes[0],
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w, mpi->h, dmpi->stride[0], mpi->stride[0], vf->priv->interleave, vf->priv->swap);
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if(mpi->flags&MP_IMGFLAG_PLANAR){
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int cw= mpi->w >> mpi->chroma_x_shift;
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int ch= mpi->h >> mpi->chroma_y_shift;
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if(vf->priv->chroma){
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interleave(dmpi->planes[1], mpi->planes[1], cw,ch,
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dmpi->stride[1], mpi->stride[1], vf->priv->interleave, vf->priv->swap);
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interleave(dmpi->planes[2], mpi->planes[2], cw,ch,
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dmpi->stride[2], mpi->stride[2], vf->priv->interleave, vf->priv->swap);
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}else{
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int y;
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for(y=0; y < ch; y++)
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memcpy(dmpi->planes[1] + dmpi->stride[1]*y, mpi->planes[1] + mpi->stride[1]*y, cw);
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for(y=0; y < ch; y++)
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memcpy(dmpi->planes[2] + dmpi->stride[2]*y, mpi->planes[2] + mpi->stride[2]*y, cw);
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}
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}
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return vf_next_put_image(vf,dmpi);
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}
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//===========================================================================//
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static int query_format(struct vf_instance_s* vf, unsigned int fmt){
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/* we support all formats :) */
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return vf_next_query_format(vf, fmt);
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}
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static int open(vf_instance_t *vf, char* args){
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char *pos, *max;
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vf->config=config;
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vf->put_image=put_image;
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// vf->get_image=get_image;
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vf->query_format=query_format;
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vf->priv=malloc(sizeof(struct vf_priv_s));
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memset(vf->priv, 0, sizeof(struct vf_priv_s));
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if(args==NULL) return 0;
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max= args + strlen(args);
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pos= strchr(args, 's');
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if(pos && pos<max) vf->priv->swap=1;
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pos= strchr(args, 'c');
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if(pos && pos<max) vf->priv->chroma=1;
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pos= strchr(args, 'i');
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if(pos && pos<max) vf->priv->interleave=1;
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pos= strchr(args, 'd');
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if(pos && pos<max) vf->priv->interleave=-1;
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return 1;
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}
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vf_info_t vf_info_il = {
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"(de)interleave",
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"il",
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"Michael Niedermayer",
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"",
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open
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};
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//===========================================================================//
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