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avfilter: remove vf_mp.c 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
tags/n2.6
Paul B Mahol 11 years ago
parent
e7e0005cc6
commit
a34f4e2fd2
1 changed files with 0 additions and 769 deletions
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      libavfilter/vf_mp.c

+ 0
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libavfilter/vf_mp.c View File

@@ -1,769 +0,0 @@
/*
* 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 "video.h"
#include "formats.h"
#include "internal.h"
#include "libavutil/avassert.h"
#include "libavutil/pixdesc.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"

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

#include "libswscale/swscale.h"


//FIXME maybe link the orig in
//XXX: identical pix_fmt must be following with each others
static const struct {
int fmt;
enum AVPixelFormat pix_fmt;
} conversion_map[] = {
{IMGFMT_ARGB, AV_PIX_FMT_ARGB},
{IMGFMT_BGRA, AV_PIX_FMT_BGRA},
{IMGFMT_BGR24, AV_PIX_FMT_BGR24},
{IMGFMT_BGR16BE, AV_PIX_FMT_RGB565BE},
{IMGFMT_BGR16LE, AV_PIX_FMT_RGB565LE},
{IMGFMT_BGR15BE, AV_PIX_FMT_RGB555BE},
{IMGFMT_BGR15LE, AV_PIX_FMT_RGB555LE},
{IMGFMT_BGR12BE, AV_PIX_FMT_RGB444BE},
{IMGFMT_BGR12LE, AV_PIX_FMT_RGB444LE},
{IMGFMT_BGR8, AV_PIX_FMT_RGB8},
{IMGFMT_BGR4, AV_PIX_FMT_RGB4},
{IMGFMT_BGR1, AV_PIX_FMT_MONOBLACK},
{IMGFMT_RGB1, AV_PIX_FMT_MONOBLACK},
{IMGFMT_RG4B, AV_PIX_FMT_BGR4_BYTE},
{IMGFMT_BG4B, AV_PIX_FMT_RGB4_BYTE},
{IMGFMT_RGB48LE, AV_PIX_FMT_RGB48LE},
{IMGFMT_RGB48BE, AV_PIX_FMT_RGB48BE},
{IMGFMT_ABGR, AV_PIX_FMT_ABGR},
{IMGFMT_RGBA, AV_PIX_FMT_RGBA},
{IMGFMT_RGB24, AV_PIX_FMT_RGB24},
{IMGFMT_RGB16BE, AV_PIX_FMT_BGR565BE},
{IMGFMT_RGB16LE, AV_PIX_FMT_BGR565LE},
{IMGFMT_RGB15BE, AV_PIX_FMT_BGR555BE},
{IMGFMT_RGB15LE, AV_PIX_FMT_BGR555LE},
{IMGFMT_RGB12BE, AV_PIX_FMT_BGR444BE},
{IMGFMT_RGB12LE, AV_PIX_FMT_BGR444LE},
{IMGFMT_RGB8, AV_PIX_FMT_BGR8},
{IMGFMT_RGB4, AV_PIX_FMT_BGR4},
{IMGFMT_BGR8, AV_PIX_FMT_PAL8},
{IMGFMT_YUY2, AV_PIX_FMT_YUYV422},
{IMGFMT_UYVY, AV_PIX_FMT_UYVY422},
{IMGFMT_NV12, AV_PIX_FMT_NV12},
{IMGFMT_NV21, AV_PIX_FMT_NV21},
{IMGFMT_Y800, AV_PIX_FMT_GRAY8},
{IMGFMT_Y8, AV_PIX_FMT_GRAY8},
{IMGFMT_YVU9, AV_PIX_FMT_YUV410P},
{IMGFMT_IF09, AV_PIX_FMT_YUV410P},
{IMGFMT_YV12, AV_PIX_FMT_YUV420P},
{IMGFMT_I420, AV_PIX_FMT_YUV420P},
{IMGFMT_IYUV, AV_PIX_FMT_YUV420P},
{IMGFMT_411P, AV_PIX_FMT_YUV411P},
{IMGFMT_422P, AV_PIX_FMT_YUV422P},
{IMGFMT_444P, AV_PIX_FMT_YUV444P},
{IMGFMT_440P, AV_PIX_FMT_YUV440P},

{IMGFMT_420A, AV_PIX_FMT_YUVA420P},

{IMGFMT_420P16_LE, AV_PIX_FMT_YUV420P16LE},
{IMGFMT_420P16_BE, AV_PIX_FMT_YUV420P16BE},
{IMGFMT_422P16_LE, AV_PIX_FMT_YUV422P16LE},
{IMGFMT_422P16_BE, AV_PIX_FMT_YUV422P16BE},
{IMGFMT_444P16_LE, AV_PIX_FMT_YUV444P16LE},
{IMGFMT_444P16_BE, AV_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, AV_PIX_FMT_YUVJ420P},
{IMGFMT_422P, AV_PIX_FMT_YUVJ422P},
{IMGFMT_444P, AV_PIX_FMT_YUVJ444P},
{IMGFMT_440P, AV_PIX_FMT_YUVJ440P},

#if FF_API_XVMC
{IMGFMT_XVMC_MOCO_MPEG2, AV_PIX_FMT_XVMC_MPEG2_MC},
{IMGFMT_XVMC_IDCT_MPEG2, AV_PIX_FMT_XVMC_MPEG2_IDCT},
#endif /* FF_API_XVMC */

{IMGFMT_VDPAU_MPEG1, AV_PIX_FMT_VDPAU_MPEG1},
{IMGFMT_VDPAU_MPEG2, AV_PIX_FMT_VDPAU_MPEG2},
{IMGFMT_VDPAU_H264, AV_PIX_FMT_VDPAU_H264},
{IMGFMT_VDPAU_WMV3, AV_PIX_FMT_VDPAU_WMV3},
{IMGFMT_VDPAU_VC1, AV_PIX_FMT_VDPAU_VC1},
{IMGFMT_VDPAU_MPEG4, AV_PIX_FMT_VDPAU_MPEG4},
{0, AV_PIX_FMT_NONE}
};

static const vf_info_t* const filters[]={
NULL
};

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

CpuCaps ff_gCpuCaps; //FIXME initialize this so optims work

enum AVPixelFormat ff_mp2ff_pix_fmt(int mp){
int i;
for(i=0; conversion_map[i].fmt && mp != conversion_map[i].fmt; i++)
;
return mp == conversion_map[i].fmt ? conversion_map[i].pix_fmt : AV_PIX_FMT_NONE;
}

typedef struct {
const AVClass *class;
vf_instance_t vf;
vf_instance_t next_vf;
AVFilterContext *avfctx;
int frame_returned;
char *filter;
enum AVPixelFormat in_pix_fmt;
} MPContext;

#define OFFSET(x) offsetof(MPContext, x)
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
static const AVOption mp_options[] = {
{ "filter", "set MPlayer filter name and parameters", OFFSET(filter), AV_OPT_TYPE_STRING, {.str=NULL}, .flags = FLAGS },
{ NULL }
};

AVFILTER_DEFINE_CLASS(mp);

void ff_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 ff_mp_msg_test(int mod, int lev){
return 123;
}

//Exact copy of vf.c
void ff_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 ff_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) {
ff_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 ff_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 ff_vf_next_query_format(struct vf_instance *vf, unsigned int fmt){
return 1;
}

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

mp_image_t* ff_vf_get_image(vf_instance_t* vf, unsigned int outfmt, int mp_imgtype, int mp_imgflag, int w, int h){
MPContext *m= (MPContext*)(((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 ff_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]=ff_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]=ff_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]=ff_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]=ff_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]=ff_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] = ff_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;
ff_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) ff_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
ff_mp_msg(MSGT_DECVIDEO, MSGL_FATAL,
"ff_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)) ff_mp_msg(MSGT_DECVIDEO,MSGL_WARN,"??? ff_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;
// }
}
}

ff_mp_image_alloc_planes(mpi);
// printf("clearing img!\n");
ff_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)){
ff_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);
ff_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 ff_vf_next_put_image(struct vf_instance *vf,mp_image_t *mpi, double pts){
MPContext *m= (MPContext*)(((uint8_t*)vf) - offsetof(MPContext, vf));
AVFilterLink *outlink = m->avfctx->outputs[0];
AVFrame *picref = av_frame_alloc();
int i;

av_assert0(vf->next);

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

if (!picref)
goto fail;

picref->width = mpi->w;
picref->height = mpi->h;

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

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

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

for(i=0; i<4 && mpi->stride[i]; i++){
picref->data[i] = mpi->planes[i];
}

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

if(1) { // mp buffers are currently unsupported in libavfilter, we thus must copy
AVFrame *tofree = picref;
picref = av_frame_clone(picref);
av_frame_free(&tofree);
}

ff_filter_frame(outlink, picref);
m->frame_returned++;

return 1;
fail:
av_frame_free(&picref);
return 0;
}

int ff_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;
}
ff_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;
return 1;
#endif
}

int ff_vf_next_control(struct vf_instance *vf, int request, void* data){
MPContext *m= (MPContext*)(((uint8_t*)vf) - offsetof(MPContext, 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= (MPContext*)(((uint8_t*)vf) - offsetof(MPContext, 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)
{
MPContext *m = ctx->priv;
int cpu_flags = av_get_cpu_flags();
char name[256];
const char *args;
int i;

ff_gCpuCaps.hasMMX = cpu_flags & AV_CPU_FLAG_MMX;
ff_gCpuCaps.hasMMX2 = cpu_flags & AV_CPU_FLAG_MMX2;
ff_gCpuCaps.hasSSE = cpu_flags & AV_CPU_FLAG_SSE;
ff_gCpuCaps.hasSSE2 = cpu_flags & AV_CPU_FLAG_SSE2;
ff_gCpuCaps.hasSSE3 = cpu_flags & AV_CPU_FLAG_SSE3;
ff_gCpuCaps.hasSSSE3 = cpu_flags & AV_CPU_FLAG_SSSE3;
ff_gCpuCaps.hasSSE4 = cpu_flags & AV_CPU_FLAG_SSE4;
ff_gCpuCaps.hasSSE42 = cpu_flags & AV_CPU_FLAG_SSE42;
ff_gCpuCaps.hasAVX = cpu_flags & AV_CPU_FLAG_AVX;
ff_gCpuCaps.has3DNow = cpu_flags & AV_CPU_FLAG_3DNOW;
ff_gCpuCaps.has3DNowExt = cpu_flags & AV_CPU_FLAG_3DNOWEXT;

m->avfctx= ctx;

args = m->filter;
if(!args || 1!=sscanf(args, "%255[^:=]", name)){
av_log(ctx, AV_LOG_ERROR, "Invalid parameter.\n");
return AVERROR(EINVAL);
}
args += strlen(name);
if (args[0] == '=')
args++;

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);
}

av_log(ctx, AV_LOG_WARNING,
"'%s' is a wrapped MPlayer filter (libmpcodecs). This filter may be removed\n"
"once it has been ported to a native libavfilter.\n", name);

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

m->vf.next = &m->next_vf;
m->vf.put_image = ff_vf_next_put_image;
m->vf.config = ff_vf_next_config;
m->vf.query_format= vf_default_query_format;
m->vf.control = ff_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, (char*)args)<=0){
av_log(ctx, AV_LOG_ERROR, "vf_open() of %s with arg=%s failed\n", name, args);
return -1;
}

return 0;
}

static av_cold void uninit(AVFilterContext *ctx)
{
MPContext *m = ctx->priv;
vf_instance_t *vf = &m->vf;

while(vf){
vf_instance_t *next = vf->next;
if(vf->uninit)
vf->uninit(vf);
ff_free_mp_image(vf->imgctx.static_images[0]);
ff_free_mp_image(vf->imgctx.static_images[1]);
ff_free_mp_image(vf->imgctx.temp_images[0]);
ff_free_mp_image(vf->imgctx.export_images[0]);
vf = next;
}
}

static int query_formats(AVFilterContext *ctx)
{
AVFilterFormats *avfmts=NULL;
MPContext *m = ctx->priv;
enum AVPixelFormat lastpixfmt = AV_PIX_FMT_NONE;
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");
if (conversion_map[i].pix_fmt != lastpixfmt) {
ff_add_format(&avfmts, conversion_map[i].pix_fmt);
lastpixfmt = conversion_map[i].pix_fmt;
}
}
}

if (!avfmts)
return -1;

//We assume all allowed input formats are also allowed output formats
ff_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=ff_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 int filter_frame(AVFilterLink *inlink, AVFrame *inpic)
{
MPContext *m = inlink->dst->priv;
int i;
double pts= MP_NOPTS_VALUE;
mp_image_t* mpi = ff_new_mp_image(inpic->width, inpic->height);

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++);
ff_mp_image_setfmt(mpi,conversion_map[i].fmt);
m->in_pix_fmt = inlink->format;

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

if (inpic->interlaced_frame)
mpi->fields |= MP_IMGFIELD_INTERLACED;
if (inpic->top_field_first)
mpi->fields |= MP_IMGFIELD_TOP_FIRST;
if (inpic->repeat_pict)
mpi->fields |= MP_IMGFIELD_REPEAT_FIRST;

// mpi->flags|=MP_IMGFLAG_ALLOCATED; ?
mpi->flags |= MP_IMGFLAG_READABLE;
if(!av_frame_is_writable(inpic))
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");
}else{
av_frame_free(&inpic);
}
ff_free_mp_image(mpi);
return 0;
}

static const AVFilterPad mp_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.filter_frame = filter_frame,
.config_props = config_inprops,
},
{ NULL }
};

static const AVFilterPad mp_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.request_frame = request_frame,
.config_props = config_outprops,
},
{ NULL }
};

AVFilter ff_vf_mp = {
.name = "mp",
.description = NULL_IF_CONFIG_SMALL("Apply a libmpcodecs filter to the input video."),
.init = init,
.uninit = uninit,
.priv_size = sizeof(MPContext),
.query_formats = query_formats,
.inputs = mp_inputs,
.outputs = mp_outputs,
.priv_class = &mp_class,
};

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