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Add libmpcodecs wrapper for libavfilter, still disabled

tags/n0.8
Michael Niedermayer 15 years ago
parent
3be78f7ecd
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1 changed files with 913 additions and 0 deletions
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      libavfilter/vf_mp.c

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libavfilter/vf_mp.c View File

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/*
* Copyright (c) 2011 Michael Niedermayer
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Parts of this file have been stolen from mplayer
*/

/**
* @file
*/

#include "avfilter.h"
#include "libavutil/avassert.h"
#include "libavutil/pixdesc.h"
#include "libavutil/intreadwrite.h"
#include "libavcore/imgutils.h"

#include "libmpcodecs/vf.h"
#include "libmpcodecs/img_format.h"
#include "libmpcodecs/cpudetect.h"
#include "libmpcodecs/vd_ffmpeg.h"
#include "libmpcodecs/vf_scale.h"
#include "libmpcodecs/libvo/fastmemcpy.h"

#include "libswscale/swscale.h"


//FIXME maybe link the orig in
static const struct {
int fmt;
enum PixelFormat pix_fmt;
} conversion_map[] = {
{IMGFMT_ARGB, PIX_FMT_ARGB},
{IMGFMT_BGRA, PIX_FMT_BGRA},
{IMGFMT_BGR24, PIX_FMT_BGR24},
{IMGFMT_BGR16BE, PIX_FMT_RGB565BE},
{IMGFMT_BGR16LE, PIX_FMT_RGB565LE},
{IMGFMT_BGR15BE, PIX_FMT_RGB555BE},
{IMGFMT_BGR15LE, PIX_FMT_RGB555LE},
{IMGFMT_BGR12BE, PIX_FMT_RGB444BE},
{IMGFMT_BGR12LE, PIX_FMT_RGB444LE},
{IMGFMT_BGR8, PIX_FMT_RGB8},
{IMGFMT_BGR4, PIX_FMT_RGB4},
{IMGFMT_BGR1, PIX_FMT_MONOBLACK},
{IMGFMT_RGB1, PIX_FMT_MONOBLACK},
{IMGFMT_RG4B, PIX_FMT_BGR4_BYTE},
{IMGFMT_BG4B, PIX_FMT_RGB4_BYTE},
{IMGFMT_RGB48LE, PIX_FMT_RGB48LE},
{IMGFMT_RGB48BE, PIX_FMT_RGB48BE},
{IMGFMT_ABGR, PIX_FMT_ABGR},
{IMGFMT_RGBA, PIX_FMT_RGBA},
{IMGFMT_RGB24, PIX_FMT_RGB24},
{IMGFMT_RGB16BE, PIX_FMT_BGR565BE},
{IMGFMT_RGB16LE, PIX_FMT_BGR565LE},
{IMGFMT_RGB15BE, PIX_FMT_BGR555BE},
{IMGFMT_RGB15LE, PIX_FMT_BGR555LE},
{IMGFMT_RGB12BE, PIX_FMT_BGR444BE},
{IMGFMT_RGB12LE, PIX_FMT_BGR444LE},
{IMGFMT_RGB8, PIX_FMT_BGR8},
{IMGFMT_RGB4, PIX_FMT_BGR4},
{IMGFMT_BGR8, PIX_FMT_PAL8},
{IMGFMT_YUY2, PIX_FMT_YUYV422},
{IMGFMT_UYVY, PIX_FMT_UYVY422},
{IMGFMT_NV12, PIX_FMT_NV12},
{IMGFMT_NV21, PIX_FMT_NV21},
{IMGFMT_Y800, PIX_FMT_GRAY8},
{IMGFMT_Y8, PIX_FMT_GRAY8},
{IMGFMT_YVU9, PIX_FMT_YUV410P},
{IMGFMT_IF09, PIX_FMT_YUV410P},
{IMGFMT_YV12, PIX_FMT_YUV420P},
{IMGFMT_I420, PIX_FMT_YUV420P},
{IMGFMT_IYUV, PIX_FMT_YUV420P},
{IMGFMT_411P, PIX_FMT_YUV411P},
{IMGFMT_422P, PIX_FMT_YUV422P},
{IMGFMT_444P, PIX_FMT_YUV444P},
{IMGFMT_440P, PIX_FMT_YUV440P},

{IMGFMT_420A, PIX_FMT_YUVA420P},

{IMGFMT_420P16_LE, PIX_FMT_YUV420P16LE},
{IMGFMT_420P16_BE, PIX_FMT_YUV420P16BE},
{IMGFMT_422P16_LE, PIX_FMT_YUV422P16LE},
{IMGFMT_422P16_BE, PIX_FMT_YUV422P16BE},
{IMGFMT_444P16_LE, PIX_FMT_YUV444P16LE},
{IMGFMT_444P16_BE, PIX_FMT_YUV444P16BE},

// YUVJ are YUV formats that use the full Y range and not just
// 16 - 235 (see colorspaces.txt).
// Currently they are all treated the same way.
{IMGFMT_YV12, PIX_FMT_YUVJ420P},
{IMGFMT_422P, PIX_FMT_YUVJ422P},
{IMGFMT_444P, PIX_FMT_YUVJ444P},
{IMGFMT_440P, PIX_FMT_YUVJ440P},

{IMGFMT_XVMC_MOCO_MPEG2, PIX_FMT_XVMC_MPEG2_MC},
{IMGFMT_XVMC_IDCT_MPEG2, PIX_FMT_XVMC_MPEG2_IDCT},
{IMGFMT_VDPAU_MPEG1, PIX_FMT_VDPAU_MPEG1},
{IMGFMT_VDPAU_MPEG2, PIX_FMT_VDPAU_MPEG2},
{IMGFMT_VDPAU_H264, PIX_FMT_VDPAU_H264},
{IMGFMT_VDPAU_WMV3, PIX_FMT_VDPAU_WMV3},
{IMGFMT_VDPAU_VC1, PIX_FMT_VDPAU_VC1},
{IMGFMT_VDPAU_MPEG4, PIX_FMT_VDPAU_MPEG4},
{0, PIX_FMT_NONE}
};

//copied from vf.c
extern const vf_info_t vf_info_vo;
extern const vf_info_t vf_info_rectangle;
extern const vf_info_t vf_info_bmovl;
extern const vf_info_t vf_info_crop;
extern const vf_info_t vf_info_expand;
extern const vf_info_t vf_info_pp;
extern const vf_info_t vf_info_scale;
extern const vf_info_t vf_info_format;
extern const vf_info_t vf_info_noformat;
extern const vf_info_t vf_info_flip;
extern const vf_info_t vf_info_rotate;
extern const vf_info_t vf_info_mirror;
extern const vf_info_t vf_info_palette;
extern const vf_info_t vf_info_lavc;
extern const vf_info_t vf_info_zrmjpeg;
extern const vf_info_t vf_info_dvbscale;
extern const vf_info_t vf_info_cropdetect;
extern const vf_info_t vf_info_test;
extern const vf_info_t vf_info_noise;
extern const vf_info_t vf_info_yvu9;
extern const vf_info_t vf_info_lavcdeint;
extern const vf_info_t vf_info_eq;
extern const vf_info_t vf_info_eq2;
extern const vf_info_t vf_info_gradfun;
extern const vf_info_t vf_info_halfpack;
extern const vf_info_t vf_info_dint;
extern const vf_info_t vf_info_1bpp;
extern const vf_info_t vf_info_2xsai;
extern const vf_info_t vf_info_unsharp;
extern const vf_info_t vf_info_swapuv;
extern const vf_info_t vf_info_il;
extern const vf_info_t vf_info_fil;
extern const vf_info_t vf_info_boxblur;
extern const vf_info_t vf_info_sab;
extern const vf_info_t vf_info_smartblur;
extern const vf_info_t vf_info_perspective;
extern const vf_info_t vf_info_down3dright;
extern const vf_info_t vf_info_field;
extern const vf_info_t vf_info_denoise3d;
extern const vf_info_t vf_info_hqdn3d;
extern const vf_info_t vf_info_detc;
extern const vf_info_t vf_info_telecine;
extern const vf_info_t vf_info_tinterlace;
extern const vf_info_t vf_info_tfields;
extern const vf_info_t vf_info_ivtc;
extern const vf_info_t vf_info_ilpack;
extern const vf_info_t vf_info_dsize;
extern const vf_info_t vf_info_decimate;
extern const vf_info_t vf_info_softpulldown;
extern const vf_info_t vf_info_pullup;
extern const vf_info_t vf_info_filmdint;
extern const vf_info_t vf_info_framestep;
extern const vf_info_t vf_info_tile;
extern const vf_info_t vf_info_delogo;
extern const vf_info_t vf_info_remove_logo;
extern const vf_info_t vf_info_hue;
extern const vf_info_t vf_info_spp;
extern const vf_info_t vf_info_uspp;
extern const vf_info_t vf_info_fspp;
extern const vf_info_t vf_info_pp7;
extern const vf_info_t vf_info_yuvcsp;
extern const vf_info_t vf_info_kerndeint;
extern const vf_info_t vf_info_rgbtest;
extern const vf_info_t vf_info_qp;
extern const vf_info_t vf_info_phase;
extern const vf_info_t vf_info_divtc;
extern const vf_info_t vf_info_harddup;
extern const vf_info_t vf_info_softskip;
extern const vf_info_t vf_info_screenshot;
extern const vf_info_t vf_info_ass;
extern const vf_info_t vf_info_mcdeint;
extern const vf_info_t vf_info_yadif;
extern const vf_info_t vf_info_blackframe;
extern const vf_info_t vf_info_geq;
extern const vf_info_t vf_info_ow;
extern const vf_info_t vf_info_fixpts;
extern const vf_info_t vf_info_stereo3d;


static const vf_info_t* const filters[]={
&vf_info_2xsai,
&vf_info_blackframe,
&vf_info_boxblur,
&vf_info_cropdetect,
&vf_info_decimate,
&vf_info_delogo,
&vf_info_denoise3d,
&vf_info_detc,
&vf_info_dint,
&vf_info_divtc,
&vf_info_down3dright,
&vf_info_dsize,
&vf_info_eq2,
&vf_info_eq,
&vf_info_field,
&vf_info_fil,
// &vf_info_filmdint, cmmx.h vd.h ‘opt_screen_size_x’
&vf_info_fixpts,
&vf_info_framestep,
&vf_info_fspp,
&vf_info_geq,
&vf_info_gradfun,
&vf_info_harddup,
&vf_info_hqdn3d,
&vf_info_hue,
&vf_info_il,
&vf_info_ilpack,
&vf_info_ivtc,
&vf_info_kerndeint,
&vf_info_mcdeint,
&vf_info_mirror,
&vf_info_noise,
&vf_info_ow,
&vf_info_palette,
&vf_info_perspective,
&vf_info_phase,
&vf_info_pp7,
&vf_info_pullup,
&vf_info_qp,
&vf_info_rectangle,
&vf_info_remove_logo,
&vf_info_rgbtest,
&vf_info_rotate,
&vf_info_sab,
&vf_info_screenshot,
&vf_info_smartblur,
&vf_info_softpulldown,
&vf_info_softskip,
&vf_info_spp,
&vf_info_swapuv,
&vf_info_telecine,
&vf_info_test,
&vf_info_tile,
&vf_info_tinterlace,
&vf_info_unsharp,
&vf_info_uspp,
&vf_info_yuvcsp,
&vf_info_yvu9,

NULL
};

/*
Unsupported filters
1bpp
ass
bmovl
crop
dvbscale
flip
expand
format
halfpack
lavc
lavcdeint
noformat
pp
scale
stereo3d
tfields
vo
yadif
zrmjpeg
*/

CpuCaps gCpuCaps; //FIXME initialize this so optims work


//exact copy from vf_scale.c
int get_sws_cpuflags(void){
return
(gCpuCaps.hasMMX ? SWS_CPU_CAPS_MMX : 0)
| (gCpuCaps.hasMMX2 ? SWS_CPU_CAPS_MMX2 : 0)
| (gCpuCaps.has3DNow ? SWS_CPU_CAPS_3DNOW : 0)
| (gCpuCaps.hasAltiVec ? SWS_CPU_CAPS_ALTIVEC : 0);
}

static void sws_getFlagsAndFilterFromCmdLine(int *flags, SwsFilter **srcFilterParam, SwsFilter **dstFilterParam)
{
static int firstTime=1;
*flags=0;

#if ARCH_X86
if(gCpuCaps.hasMMX)
__asm__ volatile("emms\n\t"::: "memory"); //FIXME this should not be required but it IS (even for non-MMX versions)
#endif
if(firstTime)
{
firstTime=0;
*flags= SWS_PRINT_INFO;
}
else if( mp_msg_test(MSGT_VFILTER,MSGL_DBG2) ) *flags= SWS_PRINT_INFO;

switch(SWS_BILINEAR)
{
case 0: *flags|= SWS_FAST_BILINEAR; break;
case 1: *flags|= SWS_BILINEAR; break;
case 2: *flags|= SWS_BICUBIC; break;
case 3: *flags|= SWS_X; break;
case 4: *flags|= SWS_POINT; break;
case 5: *flags|= SWS_AREA; break;
case 6: *flags|= SWS_BICUBLIN; break;
case 7: *flags|= SWS_GAUSS; break;
case 8: *flags|= SWS_SINC; break;
case 9: *flags|= SWS_LANCZOS; break;
case 10:*flags|= SWS_SPLINE; break;
default:*flags|= SWS_BILINEAR; break;
}

*srcFilterParam= NULL;
*dstFilterParam= NULL;
}

//exact copy from vf_scale.c
// will use sws_flags & src_filter (from cmd line)
struct SwsContext *sws_getContextFromCmdLine(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat)
{
int flags, i;
SwsFilter *dstFilterParam, *srcFilterParam;
enum PixelFormat dfmt, sfmt;

for(i=0; conversion_map[i].fmt && dstFormat != conversion_map[i].fmt; i++);
dfmt= conversion_map[i].pix_fmt;
for(i=0; conversion_map[i].fmt && srcFormat != conversion_map[i].fmt; i++);
sfmt= conversion_map[i].pix_fmt;

if (srcFormat == IMGFMT_RGB8 || srcFormat == IMGFMT_BGR8) sfmt = PIX_FMT_PAL8;
sws_getFlagsAndFilterFromCmdLine(&flags, &srcFilterParam, &dstFilterParam);

return sws_getContext(srcW, srcH, sfmt, dstW, dstH, dfmt, flags | get_sws_cpuflags(), srcFilterParam, dstFilterParam, NULL);
}

typedef struct {
vf_instance_t vf;
vf_instance_t next_vf;
AVFilterContext *avfctx;
int frame_returned;
} MPContext;

void mp_msg(int mod, int lev, const char *format, ... ){
va_list va;
va_start(va, format);
//FIXME convert lev/mod
av_vlog(NULL, AV_LOG_DEBUG, format, va);
va_end(va);
}

int mp_msg_test(int mod, int lev){
return 123;
}

void init_avcodec(void)
{
//we maybe should init but its kinda 1. unneeded 2. a bit inpolite from here
}

//Exact copy of vf.c
void vf_clone_mpi_attributes(mp_image_t* dst, mp_image_t* src){
dst->pict_type= src->pict_type;
dst->fields = src->fields;
dst->qscale_type= src->qscale_type;
if(dst->width == src->width && dst->height == src->height){
dst->qstride= src->qstride;
dst->qscale= src->qscale;
}
}

//Exact copy of vf.c
void vf_next_draw_slice(struct vf_instance *vf,unsigned char** src, int * stride,int w, int h, int x, int y){
if (vf->next->draw_slice) {
vf->next->draw_slice(vf->next,src,stride,w,h,x,y);
return;
}
if (!vf->dmpi) {
mp_msg(MSGT_VFILTER,MSGL_ERR,"draw_slice: dmpi not stored by vf_%s\n", vf->info->name);
return;
}
if (!(vf->dmpi->flags & MP_IMGFLAG_PLANAR)) {
memcpy_pic(vf->dmpi->planes[0]+y*vf->dmpi->stride[0]+vf->dmpi->bpp/8*x,
src[0], vf->dmpi->bpp/8*w, h, vf->dmpi->stride[0], stride[0]);
return;
}
memcpy_pic(vf->dmpi->planes[0]+y*vf->dmpi->stride[0]+x, src[0],
w, h, vf->dmpi->stride[0], stride[0]);
memcpy_pic(vf->dmpi->planes[1]+(y>>vf->dmpi->chroma_y_shift)*vf->dmpi->stride[1]+(x>>vf->dmpi->chroma_x_shift),
src[1], w>>vf->dmpi->chroma_x_shift, h>>vf->dmpi->chroma_y_shift, vf->dmpi->stride[1], stride[1]);
memcpy_pic(vf->dmpi->planes[2]+(y>>vf->dmpi->chroma_y_shift)*vf->dmpi->stride[2]+(x>>vf->dmpi->chroma_x_shift),
src[2], w>>vf->dmpi->chroma_x_shift, h>>vf->dmpi->chroma_y_shift, vf->dmpi->stride[2], stride[2]);
}

//Exact copy of vf.c
void vf_mpi_clear(mp_image_t* mpi,int x0,int y0,int w,int h){
int y;
if(mpi->flags&MP_IMGFLAG_PLANAR){
y0&=~1;h+=h&1;
if(x0==0 && w==mpi->width){
// full width clear:
memset(mpi->planes[0]+mpi->stride[0]*y0,0,mpi->stride[0]*h);
memset(mpi->planes[1]+mpi->stride[1]*(y0>>mpi->chroma_y_shift),128,mpi->stride[1]*(h>>mpi->chroma_y_shift));
memset(mpi->planes[2]+mpi->stride[2]*(y0>>mpi->chroma_y_shift),128,mpi->stride[2]*(h>>mpi->chroma_y_shift));
} else
for(y=y0;y<y0+h;y+=2){
memset(mpi->planes[0]+x0+mpi->stride[0]*y,0,w);
memset(mpi->planes[0]+x0+mpi->stride[0]*(y+1),0,w);
memset(mpi->planes[1]+(x0>>mpi->chroma_x_shift)+mpi->stride[1]*(y>>mpi->chroma_y_shift),128,(w>>mpi->chroma_x_shift));
memset(mpi->planes[2]+(x0>>mpi->chroma_x_shift)+mpi->stride[2]*(y>>mpi->chroma_y_shift),128,(w>>mpi->chroma_x_shift));
}
return;
}
// packed:
for(y=y0;y<y0+h;y++){
unsigned char* dst=mpi->planes[0]+mpi->stride[0]*y+(mpi->bpp>>3)*x0;
if(mpi->flags&MP_IMGFLAG_YUV){
unsigned int* p=(unsigned int*) dst;
int size=(mpi->bpp>>3)*w/4;
int i;
#if HAVE_BIGENDIAN
#define CLEAR_PACKEDYUV_PATTERN 0x00800080
#define CLEAR_PACKEDYUV_PATTERN_SWAPPED 0x80008000
#else
#define CLEAR_PACKEDYUV_PATTERN 0x80008000
#define CLEAR_PACKEDYUV_PATTERN_SWAPPED 0x00800080
#endif
if(mpi->flags&MP_IMGFLAG_SWAPPED){
for(i=0;i<size-3;i+=4) p[i]=p[i+1]=p[i+2]=p[i+3]=CLEAR_PACKEDYUV_PATTERN_SWAPPED;
for(;i<size;i++) p[i]=CLEAR_PACKEDYUV_PATTERN_SWAPPED;
} else {
for(i=0;i<size-3;i+=4) p[i]=p[i+1]=p[i+2]=p[i+3]=CLEAR_PACKEDYUV_PATTERN;
for(;i<size;i++) p[i]=CLEAR_PACKEDYUV_PATTERN;
}
} else
memset(dst,0,(mpi->bpp>>3)*w);
}
}

int vf_next_query_format(struct vf_instance *vf, unsigned int fmt){
return 1;
}

//used by delogo
unsigned int vf_match_csp(vf_instance_t** vfp,const unsigned int* list,unsigned int preferred){
return preferred;
}

mp_image_t* vf_get_image(vf_instance_t* vf, unsigned int outfmt, int mp_imgtype, int mp_imgflag, int w, int h){
MPContext *m= ((uint8_t*)vf) - offsetof(MPContext, next_vf);
mp_image_t* mpi=NULL;
int w2;
int number = mp_imgtype >> 16;

av_assert0(vf->next == NULL); // all existing filters call this just on next

//vf_dint needs these as it calls vf_get_image() before configuring the output
if(vf->w==0 && w>0) vf->w=w;
if(vf->h==0 && h>0) vf->h=h;

av_assert0(w == -1 || w >= vf->w);
av_assert0(h == -1 || h >= vf->h);
av_assert0(vf->w > 0);
av_assert0(vf->h > 0);

av_log(m->avfctx, AV_LOG_DEBUG, "get_image: %d:%d, vf: %d:%d\n", w,h,vf->w,vf->h);

if (w == -1) w = vf->w;
if (h == -1) h = vf->h;

w2=(mp_imgflag&MP_IMGFLAG_ACCEPT_ALIGNED_STRIDE)?((w+15)&(~15)):w;

// Note: we should call libvo first to check if it supports direct rendering
// and if not, then fallback to software buffers:
switch(mp_imgtype & 0xff){
case MP_IMGTYPE_EXPORT:
if(!vf->imgctx.export_images[0]) vf->imgctx.export_images[0]=new_mp_image(w2,h);
mpi=vf->imgctx.export_images[0];
break;
case MP_IMGTYPE_STATIC:
if(!vf->imgctx.static_images[0]) vf->imgctx.static_images[0]=new_mp_image(w2,h);
mpi=vf->imgctx.static_images[0];
break;
case MP_IMGTYPE_TEMP:
if(!vf->imgctx.temp_images[0]) vf->imgctx.temp_images[0]=new_mp_image(w2,h);
mpi=vf->imgctx.temp_images[0];
break;
case MP_IMGTYPE_IPB:
if(!(mp_imgflag&MP_IMGFLAG_READABLE)){ // B frame:
if(!vf->imgctx.temp_images[0]) vf->imgctx.temp_images[0]=new_mp_image(w2,h);
mpi=vf->imgctx.temp_images[0];
break;
}
case MP_IMGTYPE_IP:
if(!vf->imgctx.static_images[vf->imgctx.static_idx]) vf->imgctx.static_images[vf->imgctx.static_idx]=new_mp_image(w2,h);
mpi=vf->imgctx.static_images[vf->imgctx.static_idx];
vf->imgctx.static_idx^=1;
break;
case MP_IMGTYPE_NUMBERED:
if (number == -1) {
int i;
for (i = 0; i < NUM_NUMBERED_MPI; i++)
if (!vf->imgctx.numbered_images[i] || !vf->imgctx.numbered_images[i]->usage_count)
break;
number = i;
}
if (number < 0 || number >= NUM_NUMBERED_MPI) return NULL;
if (!vf->imgctx.numbered_images[number]) vf->imgctx.numbered_images[number] = new_mp_image(w2,h);
mpi = vf->imgctx.numbered_images[number];
mpi->number = number;
break;
}
if(mpi){
mpi->type=mp_imgtype;
mpi->w=vf->w; mpi->h=vf->h;
// keep buffer allocation status & color flags only:
// mpi->flags&=~(MP_IMGFLAG_PRESERVE|MP_IMGFLAG_READABLE|MP_IMGFLAG_DIRECT);
mpi->flags&=MP_IMGFLAG_ALLOCATED|MP_IMGFLAG_TYPE_DISPLAYED|MP_IMGFLAGMASK_COLORS;
// accept restrictions, draw_slice and palette flags only:
mpi->flags|=mp_imgflag&(MP_IMGFLAGMASK_RESTRICTIONS|MP_IMGFLAG_DRAW_CALLBACK|MP_IMGFLAG_RGB_PALETTE);
if(!vf->draw_slice) mpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;
if(mpi->width!=w2 || mpi->height!=h){
// printf("vf.c: MPI parameters changed! %dx%d -> %dx%d \n", mpi->width,mpi->height,w2,h);
if(mpi->flags&MP_IMGFLAG_ALLOCATED){
if(mpi->width<w2 || mpi->height<h){
// need to re-allocate buffer memory:
av_free(mpi->planes[0]);
mpi->flags&=~MP_IMGFLAG_ALLOCATED;
mp_msg(MSGT_VFILTER,MSGL_V,"vf.c: have to REALLOCATE buffer memory :(\n");
}
// } else {
} {
mpi->width=w2; mpi->chroma_width=(w2 + (1<<mpi->chroma_x_shift) - 1)>>mpi->chroma_x_shift;
mpi->height=h; mpi->chroma_height=(h + (1<<mpi->chroma_y_shift) - 1)>>mpi->chroma_y_shift;
}
}
if(!mpi->bpp) mp_image_setfmt(mpi,outfmt);
if(!(mpi->flags&MP_IMGFLAG_ALLOCATED) && mpi->type>MP_IMGTYPE_EXPORT){

av_assert0(!vf->get_image);
// check libvo first!
if(vf->get_image) vf->get_image(vf,mpi);

if(!(mpi->flags&MP_IMGFLAG_DIRECT)){
// non-direct and not yet allocated image. allocate it!
if (!mpi->bpp) { // no way we can allocate this
mp_msg(MSGT_DECVIDEO, MSGL_FATAL,
"vf_get_image: Tried to allocate a format that can not be allocated!\n");
return NULL;
}

// check if codec prefer aligned stride:
if(mp_imgflag&MP_IMGFLAG_PREFER_ALIGNED_STRIDE){
int align=(mpi->flags&MP_IMGFLAG_PLANAR &&
mpi->flags&MP_IMGFLAG_YUV) ?
(8<<mpi->chroma_x_shift)-1 : 15; // -- maybe FIXME
w2=((w+align)&(~align));
if(mpi->width!=w2){
#if 0
// we have to change width... check if we CAN co it:
int flags=vf->query_format(vf,outfmt); // should not fail
if(!(flags&3)) mp_msg(MSGT_DECVIDEO,MSGL_WARN,"??? vf_get_image{vf->query_format(outfmt)} failed!\n");
// printf("query -> 0x%X \n",flags);
if(flags&VFCAP_ACCEPT_STRIDE){
#endif
mpi->width=w2;
mpi->chroma_width=(w2 + (1<<mpi->chroma_x_shift) - 1)>>mpi->chroma_x_shift;
// }
}
}

mp_image_alloc_planes(mpi);
// printf("clearing img!\n");
vf_mpi_clear(mpi,0,0,mpi->width,mpi->height);
}
}
av_assert0(!vf->start_slice);
if(mpi->flags&MP_IMGFLAG_DRAW_CALLBACK)
if(vf->start_slice) vf->start_slice(vf,mpi);
if(!(mpi->flags&MP_IMGFLAG_TYPE_DISPLAYED)){
mp_msg(MSGT_DECVIDEO,MSGL_V,"*** [%s] %s%s mp_image_t, %dx%dx%dbpp %s %s, %d bytes\n",
"NULL"/*vf->info->name*/,
(mpi->type==MP_IMGTYPE_EXPORT)?"Exporting":
((mpi->flags&MP_IMGFLAG_DIRECT)?"Direct Rendering":"Allocating"),
(mpi->flags&MP_IMGFLAG_DRAW_CALLBACK)?" (slices)":"",
mpi->width,mpi->height,mpi->bpp,
(mpi->flags&MP_IMGFLAG_YUV)?"YUV":((mpi->flags&MP_IMGFLAG_SWAPPED)?"BGR":"RGB"),
(mpi->flags&MP_IMGFLAG_PLANAR)?"planar":"packed",
mpi->bpp*mpi->width*mpi->height/8);
mp_msg(MSGT_DECVIDEO,MSGL_DBG2,"(imgfmt: %x, planes: %p,%p,%p strides: %d,%d,%d, chroma: %dx%d, shift: h:%d,v:%d)\n",
mpi->imgfmt, mpi->planes[0], mpi->planes[1], mpi->planes[2],
mpi->stride[0], mpi->stride[1], mpi->stride[2],
mpi->chroma_width, mpi->chroma_height, mpi->chroma_x_shift, mpi->chroma_y_shift);
mpi->flags|=MP_IMGFLAG_TYPE_DISPLAYED;
}

mpi->qscale = NULL;
}
mpi->usage_count++;
// printf("\rVF_MPI: %p %p %p %d %d %d \n",
// mpi->planes[0],mpi->planes[1],mpi->planes[2],
// mpi->stride[0],mpi->stride[1],mpi->stride[2]);
return mpi;
}


int vf_next_put_image(struct vf_instance *vf,mp_image_t *mpi, double pts){
MPContext *m= (void*)vf;
AVFilterLink *outlink = m->avfctx->outputs[0];
AVFilterBuffer *pic = av_mallocz(sizeof(AVFilterBuffer));
AVFilterBufferRef *picref = av_mallocz(sizeof(AVFilterBufferRef));
int i;

av_assert0(vf->next);

av_log(m->avfctx, AV_LOG_DEBUG, "vf_next_put_image\n");

if (!pic || !picref)
goto fail;

picref->buf = pic;
picref->buf->please_use_av_free= av_free;
if (!(picref->video = av_mallocz(sizeof(AVFilterBufferRefVideoProps))))
goto fail;

pic->w = picref->video->w = mpi->w;
pic->h = picref->video->h = mpi->h;

/* make sure the buffer gets read permission or it's useless for output */
picref->perms = AV_PERM_READ | AV_PERM_REUSE2;
// av_assert0(mpi->flags&MP_IMGFLAG_READABLE);
if(!(mpi->flags&MP_IMGFLAG_PRESERVE))
picref->perms |= AV_PERM_WRITE;

pic->refcount = 1;
picref->type = AVMEDIA_TYPE_VIDEO;

for(i=0; conversion_map[i].fmt && mpi->imgfmt != conversion_map[i].fmt; i++);
pic->format = picref->format = conversion_map[i].pix_fmt;

memcpy(pic->data, mpi->planes, FFMIN(sizeof(pic->data) , sizeof(mpi->planes)));
memcpy(pic->linesize, mpi->stride, FFMIN(sizeof(pic->linesize), sizeof(mpi->stride)));
memcpy(picref->data, pic->data, sizeof(picref->data));
memcpy(picref->linesize, pic->linesize, sizeof(picref->linesize));

if(pts != MP_NOPTS_VALUE)
picref->pts= pts * av_q2d(outlink->time_base);

avfilter_start_frame(outlink, avfilter_ref_buffer(picref, ~0));
avfilter_draw_slice(outlink, 0, picref->video->h, 1);
avfilter_end_frame(outlink);
avfilter_unref_buffer(picref);
m->frame_returned++;

return 1;
fail:
if (picref && picref->video)
av_free(picref->video);
av_free(picref);
av_free(pic);
return 0;
}

int vf_next_config(struct vf_instance *vf,
int width, int height, int d_width, int d_height,
unsigned int voflags, unsigned int outfmt){

av_assert0(width>0 && height>0);
vf->next->w = width; vf->next->h = height;

return 1;
#if 0
int flags=vf->next->query_format(vf->next,outfmt);
if(!flags){
// hmm. colorspace mismatch!!!
//this is fatal for us ATM
return 0;
}
mp_msg(MSGT_VFILTER,MSGL_V,"REQ: flags=0x%X req=0x%X \n",flags,vf->default_reqs);
miss=vf->default_reqs - (flags&vf->default_reqs);
if(miss&VFCAP_ACCEPT_STRIDE){
// vf requires stride support but vf->next doesn't support it!
// let's insert the 'expand' filter, it does the job for us:
vf_instance_t* vf2=vf_open_filter(vf->next,"expand",NULL);
if(!vf2) return 0; // shouldn't happen!
vf->next=vf2;
}
vf->next->w = width; vf->next->h = height;
#endif
return 1;
}

int vf_next_control(struct vf_instance *vf, int request, void* data){
MPContext *m= (void*)vf;
av_log(m->avfctx, AV_LOG_DEBUG, "Received control %d\n", request);
return 0;
}

static int vf_default_query_format(struct vf_instance *vf, unsigned int fmt){
MPContext *m= (void*)vf;
int i;
av_log(m->avfctx, AV_LOG_DEBUG, "query %X\n", fmt);

for(i=0; conversion_map[i].fmt; i++){
if(fmt==conversion_map[i].fmt)
return 1; //we suport all
}
return 0;
}


static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
{
MPContext *m = ctx->priv;
char name[256];
int i;

m->avfctx= ctx;

if(!args || 1!=sscanf(args, "%255[^:]", name)){
av_log(ctx, AV_LOG_ERROR, "Invalid parameter.\n");
return AVERROR(EINVAL);
}
args+= strlen(name)+1;

for(i=0; ;i++){
if(!filters[i] || !strcmp(name, filters[i]->name))
break;
}

if(!filters[i]){
av_log(ctx, AV_LOG_ERROR, "Unknown filter %s\n", name);
return AVERROR(EINVAL);
}

memset(&m->vf,0,sizeof(m->vf));
m->vf.info= filters[i];

m->vf.next = &m->next_vf;
m->vf.put_image = vf_next_put_image;
m->vf.config = vf_next_config;
m->vf.query_format= vf_default_query_format;
m->vf.control = vf_next_control;
m->vf.default_caps=VFCAP_ACCEPT_STRIDE;
m->vf.default_reqs=0;
if(m->vf.info->opts)
av_log(ctx, AV_LOG_ERROR, "opts / m_struct_set is unsupported\n");
#if 0
if(vf->info->opts) { // vf_vo get some special argument
const m_struct_t* st = vf->info->opts;
void* vf_priv = m_struct_alloc(st);
int n;
for(n = 0 ; args && args[2*n] ; n++)
m_struct_set(st,vf_priv,args[2*n],args[2*n+1]);
vf->priv = vf_priv;
args = NULL;
} else // Otherwise we should have the '_oldargs_'
if(args && !strcmp(args[0],"_oldargs_"))
args = (char**)args[1];
else
args = NULL;
#endif
if(m->vf.info->vf_open(&m->vf, args)<=0){
av_log(ctx, AV_LOG_ERROR, "vf_open() of %s with arg=%s failed\n", name, args);
return -1;
}

return 0;
}

static int query_formats(AVFilterContext *ctx)
{
AVFilterFormats *avfmts=NULL;
MPContext *m = ctx->priv;
int i;

for(i=0; conversion_map[i].fmt; i++){
av_log(ctx, AV_LOG_DEBUG, "query: %X\n", conversion_map[i].fmt);
if(m->vf.query_format(&m->vf, conversion_map[i].fmt)){
av_log(ctx, AV_LOG_DEBUG, "supported,adding\n");
avfilter_add_format(&avfmts, conversion_map[i].pix_fmt);
}
}

//We assume all allowed input formats are also allowed output formats
avfilter_set_common_formats(ctx, avfmts);
return 0;
}

static int config_inprops(AVFilterLink *inlink)
{
MPContext *m = inlink->dst->priv;
int i;
for(i=0; conversion_map[i].fmt && conversion_map[i].pix_fmt != inlink->format; i++);

av_assert0(conversion_map[i].fmt && inlink->w && inlink->h);

m->vf.fmt.have_configured = 1;
m->vf.fmt.orig_height = inlink->h;
m->vf.fmt.orig_width = inlink->w;
m->vf.fmt.orig_fmt = conversion_map[i].fmt;

if(m->vf.config(&m->vf, inlink->w, inlink->h, inlink->w, inlink->h, 0, conversion_map[i].fmt)<=0)
return -1;

return 0;
}

static int config_outprops(AVFilterLink *outlink)
{
MPContext *m = outlink->src->priv;

outlink->w = m->next_vf.w;
outlink->h = m->next_vf.h;

return 0;
}

static int request_frame(AVFilterLink *outlink)
{
MPContext *m = outlink->src->priv;
int ret;

av_log(m->avfctx, AV_LOG_DEBUG, "mp request_frame\n");

for(m->frame_returned=0; !m->frame_returned;){
ret=avfilter_request_frame(outlink->src->inputs[0]);
if(ret<0)
break;
}

av_log(m->avfctx, AV_LOG_DEBUG, "mp request_frame ret=%d\n", ret);
return ret;
}

static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref)
{
}

static void null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
{
}

static void end_frame(AVFilterLink *inlink)
{
MPContext *m = inlink->dst->priv;
AVFilterBufferRef *inpic = inlink->cur_buf;
AVFilterLink *outlink = inlink->dst->outputs[0];
int i;
double pts= MP_NOPTS_VALUE;
mp_image_t* mpi = new_mp_image(inpic->video->w, inpic->video->h);

if(inpic->pts != AV_NOPTS_VALUE)
pts= inpic->pts / av_q2d(inlink->time_base);

for(i=0; conversion_map[i].fmt && conversion_map[i].pix_fmt != inlink->format; i++);
mp_image_setfmt(mpi,conversion_map[i].fmt);

memcpy(mpi->planes, inpic->data, FFMIN(sizeof(inpic->data) , sizeof(mpi->planes)));
memcpy(mpi->stride, inpic->linesize, FFMIN(sizeof(inpic->linesize), sizeof(mpi->stride)));

//FIXME pass interleced & tff flags around

// mpi->flags|=MP_IMGFLAG_ALLOCATED; ?
mpi->flags |= MP_IMGFLAG_READABLE;
if(!(inpic->perms & AV_PERM_WRITE))
mpi->flags |= MP_IMGFLAG_PRESERVE;
if(m->vf.put_image(&m->vf, mpi, pts) == 0){
av_log(m->avfctx, AV_LOG_DEBUG, "put_image() says skip\n");
}
free_mp_image(mpi);

// avfilter_unref_buffer(inpic);
}

AVFilter avfilter_vf_mp = {
.name = "mp",
.description = NULL_IF_CONFIG_SMALL("libmpcodecs wrapper."),
.init = init,
.priv_size = sizeof(MPContext),
.query_formats = query_formats,

.inputs = (AVFilterPad[]) {{ .name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.start_frame = start_frame,
.draw_slice = null_draw_slice,
.end_frame = end_frame,
.config_props = config_inprops,
.min_perms = AV_PERM_READ, },
{ .name = NULL}},
.outputs = (AVFilterPad[]) {{ .name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.request_frame = request_frame,
.config_props = config_outprops, },
{ .name = NULL}},
};

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