1/*
2 * Copyright (c) 2011 Michael Niedermayer
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 *
20 * Parts of this file have been stolen from mplayer
21 */
22
23/**
24 * @file
25 */
26
27#include "avfilter.h"
28#include "video.h"
29#include "formats.h"
30#include "internal.h"
31#include "libavutil/avassert.h"
32#include "libavutil/pixdesc.h"
33#include "libavutil/intreadwrite.h"
34#include "libavutil/imgutils.h"
35#include "libavutil/opt.h"
36
37#include "libmpcodecs/vf.h"
38#include "libmpcodecs/img_format.h"
39#include "libmpcodecs/cpudetect.h"
40#include "libmpcodecs/av_helpers.h"
41#include "libmpcodecs/libvo/fastmemcpy.h"
42
43#include "libswscale/swscale.h"
44
45
46//FIXME maybe link the orig in
47//XXX: identical pix_fmt must be following with each others
48static const struct {
49    int fmt;
50    enum AVPixelFormat pix_fmt;
51} conversion_map[] = {
52    {IMGFMT_ARGB, AV_PIX_FMT_ARGB},
53    {IMGFMT_BGRA, AV_PIX_FMT_BGRA},
54    {IMGFMT_BGR24, AV_PIX_FMT_BGR24},
55    {IMGFMT_BGR16BE, AV_PIX_FMT_RGB565BE},
56    {IMGFMT_BGR16LE, AV_PIX_FMT_RGB565LE},
57    {IMGFMT_BGR15BE, AV_PIX_FMT_RGB555BE},
58    {IMGFMT_BGR15LE, AV_PIX_FMT_RGB555LE},
59    {IMGFMT_BGR12BE, AV_PIX_FMT_RGB444BE},
60    {IMGFMT_BGR12LE, AV_PIX_FMT_RGB444LE},
61    {IMGFMT_BGR8,  AV_PIX_FMT_RGB8},
62    {IMGFMT_BGR4,  AV_PIX_FMT_RGB4},
63    {IMGFMT_BGR1,  AV_PIX_FMT_MONOBLACK},
64    {IMGFMT_RGB1,  AV_PIX_FMT_MONOBLACK},
65    {IMGFMT_RG4B,  AV_PIX_FMT_BGR4_BYTE},
66    {IMGFMT_BG4B,  AV_PIX_FMT_RGB4_BYTE},
67    {IMGFMT_RGB48LE, AV_PIX_FMT_RGB48LE},
68    {IMGFMT_RGB48BE, AV_PIX_FMT_RGB48BE},
69    {IMGFMT_ABGR, AV_PIX_FMT_ABGR},
70    {IMGFMT_RGBA, AV_PIX_FMT_RGBA},
71    {IMGFMT_RGB24, AV_PIX_FMT_RGB24},
72    {IMGFMT_RGB16BE, AV_PIX_FMT_BGR565BE},
73    {IMGFMT_RGB16LE, AV_PIX_FMT_BGR565LE},
74    {IMGFMT_RGB15BE, AV_PIX_FMT_BGR555BE},
75    {IMGFMT_RGB15LE, AV_PIX_FMT_BGR555LE},
76    {IMGFMT_RGB12BE, AV_PIX_FMT_BGR444BE},
77    {IMGFMT_RGB12LE, AV_PIX_FMT_BGR444LE},
78    {IMGFMT_RGB8,  AV_PIX_FMT_BGR8},
79    {IMGFMT_RGB4,  AV_PIX_FMT_BGR4},
80    {IMGFMT_BGR8,  AV_PIX_FMT_PAL8},
81    {IMGFMT_YUY2,  AV_PIX_FMT_YUYV422},
82    {IMGFMT_UYVY,  AV_PIX_FMT_UYVY422},
83    {IMGFMT_NV12,  AV_PIX_FMT_NV12},
84    {IMGFMT_NV21,  AV_PIX_FMT_NV21},
85    {IMGFMT_Y800,  AV_PIX_FMT_GRAY8},
86    {IMGFMT_Y8,    AV_PIX_FMT_GRAY8},
87    {IMGFMT_YVU9,  AV_PIX_FMT_YUV410P},
88    {IMGFMT_IF09,  AV_PIX_FMT_YUV410P},
89    {IMGFMT_YV12,  AV_PIX_FMT_YUV420P},
90    {IMGFMT_I420,  AV_PIX_FMT_YUV420P},
91    {IMGFMT_IYUV,  AV_PIX_FMT_YUV420P},
92    {IMGFMT_411P,  AV_PIX_FMT_YUV411P},
93    {IMGFMT_422P,  AV_PIX_FMT_YUV422P},
94    {IMGFMT_444P,  AV_PIX_FMT_YUV444P},
95    {IMGFMT_440P,  AV_PIX_FMT_YUV440P},
96
97    {IMGFMT_420A,  AV_PIX_FMT_YUVA420P},
98
99    {IMGFMT_420P16_LE,  AV_PIX_FMT_YUV420P16LE},
100    {IMGFMT_420P16_BE,  AV_PIX_FMT_YUV420P16BE},
101    {IMGFMT_422P16_LE,  AV_PIX_FMT_YUV422P16LE},
102    {IMGFMT_422P16_BE,  AV_PIX_FMT_YUV422P16BE},
103    {IMGFMT_444P16_LE,  AV_PIX_FMT_YUV444P16LE},
104    {IMGFMT_444P16_BE,  AV_PIX_FMT_YUV444P16BE},
105
106    // YUVJ are YUV formats that use the full Y range and not just
107    // 16 - 235 (see colorspaces.txt).
108    // Currently they are all treated the same way.
109    {IMGFMT_YV12,  AV_PIX_FMT_YUVJ420P},
110    {IMGFMT_422P,  AV_PIX_FMT_YUVJ422P},
111    {IMGFMT_444P,  AV_PIX_FMT_YUVJ444P},
112    {IMGFMT_440P,  AV_PIX_FMT_YUVJ440P},
113
114#if FF_API_XVMC
115    {IMGFMT_XVMC_MOCO_MPEG2, AV_PIX_FMT_XVMC_MPEG2_MC},
116    {IMGFMT_XVMC_IDCT_MPEG2, AV_PIX_FMT_XVMC_MPEG2_IDCT},
117#endif /* FF_API_XVMC */
118
119    {IMGFMT_VDPAU_MPEG1,     AV_PIX_FMT_VDPAU_MPEG1},
120    {IMGFMT_VDPAU_MPEG2,     AV_PIX_FMT_VDPAU_MPEG2},
121    {IMGFMT_VDPAU_H264,      AV_PIX_FMT_VDPAU_H264},
122    {IMGFMT_VDPAU_WMV3,      AV_PIX_FMT_VDPAU_WMV3},
123    {IMGFMT_VDPAU_VC1,       AV_PIX_FMT_VDPAU_VC1},
124    {IMGFMT_VDPAU_MPEG4,     AV_PIX_FMT_VDPAU_MPEG4},
125    {0, AV_PIX_FMT_NONE}
126};
127
128extern const vf_info_t ff_vf_info_eq2;
129extern const vf_info_t ff_vf_info_eq;
130extern const vf_info_t ff_vf_info_fspp;
131extern const vf_info_t ff_vf_info_ilpack;
132extern const vf_info_t ff_vf_info_pp7;
133extern const vf_info_t ff_vf_info_softpulldown;
134extern const vf_info_t ff_vf_info_uspp;
135
136
137static const vf_info_t* const filters[]={
138    &ff_vf_info_eq2,
139    &ff_vf_info_eq,
140    &ff_vf_info_fspp,
141    &ff_vf_info_ilpack,
142    &ff_vf_info_pp7,
143    &ff_vf_info_softpulldown,
144    &ff_vf_info_uspp,
145
146    NULL
147};
148
149/*
150Unsupported filters
1511bpp
152ass
153bmovl
154crop
155dvbscale
156flip
157expand
158format
159halfpack
160lavc
161lavcdeint
162noformat
163pp
164scale
165tfields
166vo
167yadif
168zrmjpeg
169*/
170
171CpuCaps ff_gCpuCaps; //FIXME initialize this so optims work
172
173enum AVPixelFormat ff_mp2ff_pix_fmt(int mp){
174    int i;
175    for(i=0; conversion_map[i].fmt && mp != conversion_map[i].fmt; i++)
176        ;
177    return mp == conversion_map[i].fmt ? conversion_map[i].pix_fmt : AV_PIX_FMT_NONE;
178}
179
180typedef struct {
181    const AVClass *class;
182    vf_instance_t vf;
183    vf_instance_t next_vf;
184    AVFilterContext *avfctx;
185    int frame_returned;
186    char *filter;
187    enum AVPixelFormat in_pix_fmt;
188} MPContext;
189
190#define OFFSET(x) offsetof(MPContext, x)
191#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
192static const AVOption mp_options[] = {
193    { "filter", "set MPlayer filter name and parameters", OFFSET(filter), AV_OPT_TYPE_STRING, {.str=NULL}, .flags = FLAGS },
194    { NULL }
195};
196
197AVFILTER_DEFINE_CLASS(mp);
198
199void ff_mp_msg(int mod, int lev, const char *format, ... ){
200    va_list va;
201    va_start(va, format);
202    //FIXME convert lev/mod
203    av_vlog(NULL, AV_LOG_DEBUG, format, va);
204    va_end(va);
205}
206
207int ff_mp_msg_test(int mod, int lev){
208    return 123;
209}
210
211void ff_init_avcodec(void)
212{
213    //we maybe should init but its kinda 1. unneeded 2. a bit impolite from here
214}
215
216//Exact copy of vf.c
217void ff_vf_clone_mpi_attributes(mp_image_t* dst, mp_image_t* src){
218    dst->pict_type= src->pict_type;
219    dst->fields = src->fields;
220    dst->qscale_type= src->qscale_type;
221    if(dst->width == src->width && dst->height == src->height){
222        dst->qstride= src->qstride;
223        dst->qscale= src->qscale;
224    }
225}
226
227//Exact copy of vf.c
228void ff_vf_next_draw_slice(struct vf_instance *vf,unsigned char** src, int * stride,int w, int h, int x, int y){
229    if (vf->next->draw_slice) {
230        vf->next->draw_slice(vf->next,src,stride,w,h,x,y);
231        return;
232    }
233    if (!vf->dmpi) {
234        ff_mp_msg(MSGT_VFILTER,MSGL_ERR,"draw_slice: dmpi not stored by vf_%s\n", vf->info->name);
235        return;
236    }
237    if (!(vf->dmpi->flags & MP_IMGFLAG_PLANAR)) {
238        memcpy_pic(vf->dmpi->planes[0]+y*vf->dmpi->stride[0]+vf->dmpi->bpp/8*x,
239            src[0], vf->dmpi->bpp/8*w, h, vf->dmpi->stride[0], stride[0]);
240        return;
241    }
242    memcpy_pic(vf->dmpi->planes[0]+y*vf->dmpi->stride[0]+x, src[0],
243        w, h, vf->dmpi->stride[0], stride[0]);
244    memcpy_pic(vf->dmpi->planes[1]+(y>>vf->dmpi->chroma_y_shift)*vf->dmpi->stride[1]+(x>>vf->dmpi->chroma_x_shift),
245        src[1], w>>vf->dmpi->chroma_x_shift, h>>vf->dmpi->chroma_y_shift, vf->dmpi->stride[1], stride[1]);
246    memcpy_pic(vf->dmpi->planes[2]+(y>>vf->dmpi->chroma_y_shift)*vf->dmpi->stride[2]+(x>>vf->dmpi->chroma_x_shift),
247        src[2], w>>vf->dmpi->chroma_x_shift, h>>vf->dmpi->chroma_y_shift, vf->dmpi->stride[2], stride[2]);
248}
249
250//Exact copy of vf.c
251void ff_vf_mpi_clear(mp_image_t* mpi,int x0,int y0,int w,int h){
252    int y;
253    if(mpi->flags&MP_IMGFLAG_PLANAR){
254        y0&=~1;h+=h&1;
255        if(x0==0 && w==mpi->width){
256            // full width clear:
257            memset(mpi->planes[0]+mpi->stride[0]*y0,0,mpi->stride[0]*h);
258            memset(mpi->planes[1]+mpi->stride[1]*(y0>>mpi->chroma_y_shift),128,mpi->stride[1]*(h>>mpi->chroma_y_shift));
259            memset(mpi->planes[2]+mpi->stride[2]*(y0>>mpi->chroma_y_shift),128,mpi->stride[2]*(h>>mpi->chroma_y_shift));
260        } else
261        for(y=y0;y<y0+h;y+=2){
262            memset(mpi->planes[0]+x0+mpi->stride[0]*y,0,w);
263            memset(mpi->planes[0]+x0+mpi->stride[0]*(y+1),0,w);
264            memset(mpi->planes[1]+(x0>>mpi->chroma_x_shift)+mpi->stride[1]*(y>>mpi->chroma_y_shift),128,(w>>mpi->chroma_x_shift));
265            memset(mpi->planes[2]+(x0>>mpi->chroma_x_shift)+mpi->stride[2]*(y>>mpi->chroma_y_shift),128,(w>>mpi->chroma_x_shift));
266        }
267        return;
268    }
269    // packed:
270    for(y=y0;y<y0+h;y++){
271        unsigned char* dst=mpi->planes[0]+mpi->stride[0]*y+(mpi->bpp>>3)*x0;
272        if(mpi->flags&MP_IMGFLAG_YUV){
273            unsigned int* p=(unsigned int*) dst;
274            int size=(mpi->bpp>>3)*w/4;
275            int i;
276#if HAVE_BIGENDIAN
277#define CLEAR_PACKEDYUV_PATTERN 0x00800080
278#define CLEAR_PACKEDYUV_PATTERN_SWAPPED 0x80008000
279#else
280#define CLEAR_PACKEDYUV_PATTERN 0x80008000
281#define CLEAR_PACKEDYUV_PATTERN_SWAPPED 0x00800080
282#endif
283            if(mpi->flags&MP_IMGFLAG_SWAPPED){
284                for(i=0;i<size-3;i+=4) p[i]=p[i+1]=p[i+2]=p[i+3]=CLEAR_PACKEDYUV_PATTERN_SWAPPED;
285                for(;i<size;i++) p[i]=CLEAR_PACKEDYUV_PATTERN_SWAPPED;
286            } else {
287                for(i=0;i<size-3;i+=4) p[i]=p[i+1]=p[i+2]=p[i+3]=CLEAR_PACKEDYUV_PATTERN;
288                for(;i<size;i++) p[i]=CLEAR_PACKEDYUV_PATTERN;
289            }
290        } else
291            memset(dst,0,(mpi->bpp>>3)*w);
292    }
293}
294
295int ff_vf_next_query_format(struct vf_instance *vf, unsigned int fmt){
296    return 1;
297}
298
299//used by delogo
300unsigned int ff_vf_match_csp(vf_instance_t** vfp,const unsigned int* list,unsigned int preferred){
301    return preferred;
302}
303
304mp_image_t* ff_vf_get_image(vf_instance_t* vf, unsigned int outfmt, int mp_imgtype, int mp_imgflag, int w, int h){
305    MPContext *m= (MPContext*)(((uint8_t*)vf) - offsetof(MPContext, next_vf));
306  mp_image_t* mpi=NULL;
307  int w2;
308  int number = mp_imgtype >> 16;
309
310  av_assert0(vf->next == NULL); // all existing filters call this just on next
311
312  //vf_dint needs these as it calls ff_vf_get_image() before configuring the output
313  if(vf->w==0 && w>0) vf->w=w;
314  if(vf->h==0 && h>0) vf->h=h;
315
316  av_assert0(w == -1 || w >= vf->w);
317  av_assert0(h == -1 || h >= vf->h);
318  av_assert0(vf->w > 0);
319  av_assert0(vf->h > 0);
320
321  av_log(m->avfctx, AV_LOG_DEBUG, "get_image: %d:%d, vf: %d:%d\n", w,h,vf->w,vf->h);
322
323  if (w == -1) w = vf->w;
324  if (h == -1) h = vf->h;
325
326  w2=(mp_imgflag&MP_IMGFLAG_ACCEPT_ALIGNED_STRIDE)?((w+15)&(~15)):w;
327
328  // Note: we should call libvo first to check if it supports direct rendering
329  // and if not, then fallback to software buffers:
330  switch(mp_imgtype & 0xff){
331  case MP_IMGTYPE_EXPORT:
332    if(!vf->imgctx.export_images[0]) vf->imgctx.export_images[0]=ff_new_mp_image(w2,h);
333    mpi=vf->imgctx.export_images[0];
334    break;
335  case MP_IMGTYPE_STATIC:
336    if(!vf->imgctx.static_images[0]) vf->imgctx.static_images[0]=ff_new_mp_image(w2,h);
337    mpi=vf->imgctx.static_images[0];
338    break;
339  case MP_IMGTYPE_TEMP:
340    if(!vf->imgctx.temp_images[0]) vf->imgctx.temp_images[0]=ff_new_mp_image(w2,h);
341    mpi=vf->imgctx.temp_images[0];
342    break;
343  case MP_IMGTYPE_IPB:
344    if(!(mp_imgflag&MP_IMGFLAG_READABLE)){ // B frame:
345      if(!vf->imgctx.temp_images[0]) vf->imgctx.temp_images[0]=ff_new_mp_image(w2,h);
346      mpi=vf->imgctx.temp_images[0];
347      break;
348    }
349  case MP_IMGTYPE_IP:
350    if(!vf->imgctx.static_images[vf->imgctx.static_idx]) vf->imgctx.static_images[vf->imgctx.static_idx]=ff_new_mp_image(w2,h);
351    mpi=vf->imgctx.static_images[vf->imgctx.static_idx];
352    vf->imgctx.static_idx^=1;
353    break;
354  case MP_IMGTYPE_NUMBERED:
355    if (number == -1) {
356      int i;
357      for (i = 0; i < NUM_NUMBERED_MPI; i++)
358        if (!vf->imgctx.numbered_images[i] || !vf->imgctx.numbered_images[i]->usage_count)
359          break;
360      number = i;
361    }
362    if (number < 0 || number >= NUM_NUMBERED_MPI) return NULL;
363    if (!vf->imgctx.numbered_images[number]) vf->imgctx.numbered_images[number] = ff_new_mp_image(w2,h);
364    mpi = vf->imgctx.numbered_images[number];
365    mpi->number = number;
366    break;
367  }
368  if(mpi){
369    mpi->type=mp_imgtype;
370    mpi->w=vf->w; mpi->h=vf->h;
371    // keep buffer allocation status & color flags only:
372//    mpi->flags&=~(MP_IMGFLAG_PRESERVE|MP_IMGFLAG_READABLE|MP_IMGFLAG_DIRECT);
373    mpi->flags&=MP_IMGFLAG_ALLOCATED|MP_IMGFLAG_TYPE_DISPLAYED|MP_IMGFLAGMASK_COLORS;
374    // accept restrictions, draw_slice and palette flags only:
375    mpi->flags|=mp_imgflag&(MP_IMGFLAGMASK_RESTRICTIONS|MP_IMGFLAG_DRAW_CALLBACK|MP_IMGFLAG_RGB_PALETTE);
376    if(!vf->draw_slice) mpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;
377    if(mpi->width!=w2 || mpi->height!=h){
378//      printf("vf.c: MPI parameters changed!  %dx%d -> %dx%d   \n", mpi->width,mpi->height,w2,h);
379        if(mpi->flags&MP_IMGFLAG_ALLOCATED){
380            if(mpi->width<w2 || mpi->height<h){
381                // need to re-allocate buffer memory:
382                av_free(mpi->planes[0]);
383                mpi->flags&=~MP_IMGFLAG_ALLOCATED;
384                ff_mp_msg(MSGT_VFILTER,MSGL_V,"vf.c: have to REALLOCATE buffer memory :(\n");
385            }
386//      } else {
387        } {
388            mpi->width=w2; mpi->chroma_width=(w2 + (1<<mpi->chroma_x_shift) - 1)>>mpi->chroma_x_shift;
389            mpi->height=h; mpi->chroma_height=(h + (1<<mpi->chroma_y_shift) - 1)>>mpi->chroma_y_shift;
390        }
391    }
392    if(!mpi->bpp) ff_mp_image_setfmt(mpi,outfmt);
393    if(!(mpi->flags&MP_IMGFLAG_ALLOCATED) && mpi->type>MP_IMGTYPE_EXPORT){
394
395        av_assert0(!vf->get_image);
396        // check libvo first!
397        if(vf->get_image) vf->get_image(vf,mpi);
398
399        if(!(mpi->flags&MP_IMGFLAG_DIRECT)){
400          // non-direct and not yet allocated image. allocate it!
401          if (!mpi->bpp) { // no way we can allocate this
402              ff_mp_msg(MSGT_DECVIDEO, MSGL_FATAL,
403                     "ff_vf_get_image: Tried to allocate a format that can not be allocated!\n");
404              return NULL;
405          }
406
407          // check if codec prefer aligned stride:
408          if(mp_imgflag&MP_IMGFLAG_PREFER_ALIGNED_STRIDE){
409              int align=(mpi->flags&MP_IMGFLAG_PLANAR &&
410                         mpi->flags&MP_IMGFLAG_YUV) ?
411                         (8<<mpi->chroma_x_shift)-1 : 15; // -- maybe FIXME
412              w2=((w+align)&(~align));
413              if(mpi->width!=w2){
414#if 0
415                  // we have to change width... check if we CAN co it:
416                  int flags=vf->query_format(vf,outfmt); // should not fail
417                  if(!(flags&3)) ff_mp_msg(MSGT_DECVIDEO,MSGL_WARN,"??? ff_vf_get_image{vf->query_format(outfmt)} failed!\n");
418//                printf("query -> 0x%X    \n",flags);
419                  if(flags&VFCAP_ACCEPT_STRIDE){
420#endif
421                      mpi->width=w2;
422                      mpi->chroma_width=(w2 + (1<<mpi->chroma_x_shift) - 1)>>mpi->chroma_x_shift;
423//                  }
424              }
425          }
426
427          ff_mp_image_alloc_planes(mpi);
428//        printf("clearing img!\n");
429          ff_vf_mpi_clear(mpi,0,0,mpi->width,mpi->height);
430        }
431    }
432    av_assert0(!vf->start_slice);
433    if(mpi->flags&MP_IMGFLAG_DRAW_CALLBACK)
434        if(vf->start_slice) vf->start_slice(vf,mpi);
435    if(!(mpi->flags&MP_IMGFLAG_TYPE_DISPLAYED)){
436            ff_mp_msg(MSGT_DECVIDEO,MSGL_V,"*** [%s] %s%s mp_image_t, %dx%dx%dbpp %s %s, %d bytes\n",
437                  "NULL"/*vf->info->name*/,
438                  (mpi->type==MP_IMGTYPE_EXPORT)?"Exporting":
439                  ((mpi->flags&MP_IMGFLAG_DIRECT)?"Direct Rendering":"Allocating"),
440                  (mpi->flags&MP_IMGFLAG_DRAW_CALLBACK)?" (slices)":"",
441                  mpi->width,mpi->height,mpi->bpp,
442                  (mpi->flags&MP_IMGFLAG_YUV)?"YUV":((mpi->flags&MP_IMGFLAG_SWAPPED)?"BGR":"RGB"),
443                  (mpi->flags&MP_IMGFLAG_PLANAR)?"planar":"packed",
444                  mpi->bpp*mpi->width*mpi->height/8);
445            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",
446                mpi->imgfmt, mpi->planes[0], mpi->planes[1], mpi->planes[2],
447                mpi->stride[0], mpi->stride[1], mpi->stride[2],
448                mpi->chroma_width, mpi->chroma_height, mpi->chroma_x_shift, mpi->chroma_y_shift);
449            mpi->flags|=MP_IMGFLAG_TYPE_DISPLAYED;
450    }
451
452  mpi->qscale = NULL;
453  mpi->usage_count++;
454  }
455//    printf("\rVF_MPI: %p %p %p %d %d %d    \n",
456//      mpi->planes[0],mpi->planes[1],mpi->planes[2],
457//      mpi->stride[0],mpi->stride[1],mpi->stride[2]);
458  return mpi;
459}
460
461int ff_vf_next_put_image(struct vf_instance *vf,mp_image_t *mpi, double pts){
462    MPContext *m= (MPContext*)(((uint8_t*)vf) - offsetof(MPContext, vf));
463    AVFilterLink *outlink     = m->avfctx->outputs[0];
464    AVFrame *picref = av_frame_alloc();
465    int i;
466
467    av_assert0(vf->next);
468
469    av_log(m->avfctx, AV_LOG_DEBUG, "ff_vf_next_put_image\n");
470
471    if (!picref)
472        goto fail;
473
474    picref->width  = mpi->w;
475    picref->height = mpi->h;
476
477    picref->type = AVMEDIA_TYPE_VIDEO;
478
479    for(i=0; conversion_map[i].fmt && mpi->imgfmt != conversion_map[i].fmt; i++);
480    picref->format = conversion_map[i].pix_fmt;
481
482    for(i=0; conversion_map[i].fmt && m->in_pix_fmt != conversion_map[i].pix_fmt; i++);
483    if (mpi->imgfmt == conversion_map[i].fmt)
484        picref->format = conversion_map[i].pix_fmt;
485
486    memcpy(picref->linesize, mpi->stride, FFMIN(sizeof(picref->linesize), sizeof(mpi->stride)));
487
488    for(i=0; i<4 && mpi->stride[i]; i++){
489        picref->data[i] = mpi->planes[i];
490    }
491
492    if(pts != MP_NOPTS_VALUE)
493        picref->pts= pts * av_q2d(outlink->time_base);
494
495    if(1) { // mp buffers are currently unsupported in libavfilter, we thus must copy
496        AVFrame *tofree = picref;
497        picref = av_frame_clone(picref);
498        av_frame_free(&tofree);
499    }
500
501    ff_filter_frame(outlink, picref);
502    m->frame_returned++;
503
504    return 1;
505fail:
506    av_frame_free(&picref);
507    return 0;
508}
509
510int ff_vf_next_config(struct vf_instance *vf,
511        int width, int height, int d_width, int d_height,
512        unsigned int voflags, unsigned int outfmt){
513
514    av_assert0(width>0 && height>0);
515    vf->next->w = width; vf->next->h = height;
516
517    return 1;
518#if 0
519    int flags=vf->next->query_format(vf->next,outfmt);
520    if(!flags){
521        // hmm. colorspace mismatch!!!
522        //this is fatal for us ATM
523        return 0;
524    }
525    ff_mp_msg(MSGT_VFILTER,MSGL_V,"REQ: flags=0x%X  req=0x%X  \n",flags,vf->default_reqs);
526    miss=vf->default_reqs - (flags&vf->default_reqs);
527    if(miss&VFCAP_ACCEPT_STRIDE){
528        // vf requires stride support but vf->next doesn't support it!
529        // let's insert the 'expand' filter, it does the job for us:
530        vf_instance_t* vf2=vf_open_filter(vf->next,"expand",NULL);
531        if(!vf2) return 0; // shouldn't happen!
532        vf->next=vf2;
533    }
534    vf->next->w = width; vf->next->h = height;
535    return 1;
536#endif
537}
538
539int ff_vf_next_control(struct vf_instance *vf, int request, void* data){
540    MPContext *m= (MPContext*)(((uint8_t*)vf) - offsetof(MPContext, vf));
541    av_log(m->avfctx, AV_LOG_DEBUG, "Received control %d\n", request);
542    return 0;
543}
544
545static int vf_default_query_format(struct vf_instance *vf, unsigned int fmt){
546    MPContext *m= (MPContext*)(((uint8_t*)vf) - offsetof(MPContext, vf));
547    int i;
548    av_log(m->avfctx, AV_LOG_DEBUG, "query %X\n", fmt);
549
550    for(i=0; conversion_map[i].fmt; i++){
551        if(fmt==conversion_map[i].fmt)
552            return 1; //we suport all
553    }
554    return 0;
555}
556
557
558static av_cold int init(AVFilterContext *ctx)
559{
560    MPContext *m = ctx->priv;
561    int cpu_flags = av_get_cpu_flags();
562    char name[256];
563    const char *args;
564    int i;
565
566    ff_gCpuCaps.hasMMX      = cpu_flags & AV_CPU_FLAG_MMX;
567    ff_gCpuCaps.hasMMX2     = cpu_flags & AV_CPU_FLAG_MMX2;
568    ff_gCpuCaps.hasSSE      = cpu_flags & AV_CPU_FLAG_SSE;
569    ff_gCpuCaps.hasSSE2     = cpu_flags & AV_CPU_FLAG_SSE2;
570    ff_gCpuCaps.hasSSE3     = cpu_flags & AV_CPU_FLAG_SSE3;
571    ff_gCpuCaps.hasSSSE3    = cpu_flags & AV_CPU_FLAG_SSSE3;
572    ff_gCpuCaps.hasSSE4     = cpu_flags & AV_CPU_FLAG_SSE4;
573    ff_gCpuCaps.hasSSE42    = cpu_flags & AV_CPU_FLAG_SSE42;
574    ff_gCpuCaps.hasAVX      = cpu_flags & AV_CPU_FLAG_AVX;
575    ff_gCpuCaps.has3DNow    = cpu_flags & AV_CPU_FLAG_3DNOW;
576    ff_gCpuCaps.has3DNowExt = cpu_flags & AV_CPU_FLAG_3DNOWEXT;
577
578    m->avfctx= ctx;
579
580    args = m->filter;
581    if(!args || 1!=sscanf(args, "%255[^:=]", name)){
582        av_log(ctx, AV_LOG_ERROR, "Invalid parameter.\n");
583        return AVERROR(EINVAL);
584    }
585    args += strlen(name);
586    if (args[0] == '=')
587        args++;
588
589    for(i=0; ;i++){
590        if(!filters[i] || !strcmp(name, filters[i]->name))
591            break;
592    }
593
594    if(!filters[i]){
595        av_log(ctx, AV_LOG_ERROR, "Unknown filter %s\n", name);
596        return AVERROR(EINVAL);
597    }
598
599    av_log(ctx, AV_LOG_WARNING,
600           "'%s' is a wrapped MPlayer filter (libmpcodecs). This filter may be removed\n"
601           "once it has been ported to a native libavfilter.\n", name);
602
603    memset(&m->vf,0,sizeof(m->vf));
604    m->vf.info= filters[i];
605
606    m->vf.next        = &m->next_vf;
607    m->vf.put_image   = ff_vf_next_put_image;
608    m->vf.config      = ff_vf_next_config;
609    m->vf.query_format= vf_default_query_format;
610    m->vf.control     = ff_vf_next_control;
611    m->vf.default_caps=VFCAP_ACCEPT_STRIDE;
612    m->vf.default_reqs=0;
613    if(m->vf.info->opts)
614        av_log(ctx, AV_LOG_ERROR, "opts / m_struct_set is unsupported\n");
615#if 0
616    if(vf->info->opts) { // vf_vo get some special argument
617      const m_struct_t* st = vf->info->opts;
618      void* vf_priv = m_struct_alloc(st);
619      int n;
620      for(n = 0 ; args && args[2*n] ; n++)
621        m_struct_set(st,vf_priv,args[2*n],args[2*n+1]);
622      vf->priv = vf_priv;
623      args = NULL;
624    } else // Otherwise we should have the '_oldargs_'
625      if(args && !strcmp(args[0],"_oldargs_"))
626        args = (char**)args[1];
627      else
628        args = NULL;
629#endif
630    if(m->vf.info->vf_open(&m->vf, (char*)args)<=0){
631        av_log(ctx, AV_LOG_ERROR, "vf_open() of %s with arg=%s failed\n", name, args);
632        return -1;
633    }
634
635    return 0;
636}
637
638static av_cold void uninit(AVFilterContext *ctx)
639{
640    MPContext *m = ctx->priv;
641    vf_instance_t *vf = &m->vf;
642
643    while(vf){
644        vf_instance_t *next = vf->next;
645        if(vf->uninit)
646            vf->uninit(vf);
647        ff_free_mp_image(vf->imgctx.static_images[0]);
648        ff_free_mp_image(vf->imgctx.static_images[1]);
649        ff_free_mp_image(vf->imgctx.temp_images[0]);
650        ff_free_mp_image(vf->imgctx.export_images[0]);
651        vf = next;
652    }
653}
654
655static int query_formats(AVFilterContext *ctx)
656{
657    AVFilterFormats *avfmts=NULL;
658    MPContext *m = ctx->priv;
659    enum AVPixelFormat lastpixfmt = AV_PIX_FMT_NONE;
660    int i;
661
662    for(i=0; conversion_map[i].fmt; i++){
663        av_log(ctx, AV_LOG_DEBUG, "query: %X\n", conversion_map[i].fmt);
664        if(m->vf.query_format(&m->vf, conversion_map[i].fmt)){
665            av_log(ctx, AV_LOG_DEBUG, "supported,adding\n");
666            if (conversion_map[i].pix_fmt != lastpixfmt) {
667                ff_add_format(&avfmts, conversion_map[i].pix_fmt);
668                lastpixfmt = conversion_map[i].pix_fmt;
669            }
670        }
671    }
672
673    if (!avfmts)
674        return -1;
675
676    //We assume all allowed input formats are also allowed output formats
677    ff_set_common_formats(ctx, avfmts);
678    return 0;
679}
680
681static int config_inprops(AVFilterLink *inlink)
682{
683    MPContext *m = inlink->dst->priv;
684    int i;
685    for(i=0; conversion_map[i].fmt && conversion_map[i].pix_fmt != inlink->format; i++);
686
687    av_assert0(conversion_map[i].fmt && inlink->w && inlink->h);
688
689    m->vf.fmt.have_configured = 1;
690    m->vf.fmt.orig_height     = inlink->h;
691    m->vf.fmt.orig_width      = inlink->w;
692    m->vf.fmt.orig_fmt        = conversion_map[i].fmt;
693
694    if(m->vf.config(&m->vf, inlink->w, inlink->h, inlink->w, inlink->h, 0, conversion_map[i].fmt)<=0)
695        return -1;
696
697    return 0;
698}
699
700static int config_outprops(AVFilterLink *outlink)
701{
702    MPContext *m = outlink->src->priv;
703
704    outlink->w = m->next_vf.w;
705    outlink->h = m->next_vf.h;
706
707    return 0;
708}
709
710static int request_frame(AVFilterLink *outlink)
711{
712    MPContext *m = outlink->src->priv;
713    int ret;
714
715    av_log(m->avfctx, AV_LOG_DEBUG, "mp request_frame\n");
716
717    for(m->frame_returned=0; !m->frame_returned;){
718        ret=ff_request_frame(outlink->src->inputs[0]);
719        if(ret<0)
720            break;
721    }
722
723    av_log(m->avfctx, AV_LOG_DEBUG, "mp request_frame ret=%d\n", ret);
724    return ret;
725}
726
727static int filter_frame(AVFilterLink *inlink, AVFrame *inpic)
728{
729    MPContext *m = inlink->dst->priv;
730    int i;
731    double pts= MP_NOPTS_VALUE;
732    mp_image_t* mpi = ff_new_mp_image(inpic->width, inpic->height);
733
734    if(inpic->pts != AV_NOPTS_VALUE)
735        pts= inpic->pts / av_q2d(inlink->time_base);
736
737    for(i=0; conversion_map[i].fmt && conversion_map[i].pix_fmt != inlink->format; i++);
738    ff_mp_image_setfmt(mpi,conversion_map[i].fmt);
739    m->in_pix_fmt = inlink->format;
740
741    memcpy(mpi->planes, inpic->data,     FFMIN(sizeof(inpic->data)    , sizeof(mpi->planes)));
742    memcpy(mpi->stride, inpic->linesize, FFMIN(sizeof(inpic->linesize), sizeof(mpi->stride)));
743
744    if (inpic->interlaced_frame)
745        mpi->fields |= MP_IMGFIELD_INTERLACED;
746    if (inpic->top_field_first)
747        mpi->fields |= MP_IMGFIELD_TOP_FIRST;
748    if (inpic->repeat_pict)
749        mpi->fields |= MP_IMGFIELD_REPEAT_FIRST;
750
751    // mpi->flags|=MP_IMGFLAG_ALLOCATED; ?
752    mpi->flags |= MP_IMGFLAG_READABLE;
753    if(!av_frame_is_writable(inpic))
754        mpi->flags |= MP_IMGFLAG_PRESERVE;
755    if(m->vf.put_image(&m->vf, mpi, pts) == 0){
756        av_log(m->avfctx, AV_LOG_DEBUG, "put_image() says skip\n");
757    }else{
758        av_frame_free(&inpic);
759    }
760    ff_free_mp_image(mpi);
761    return 0;
762}
763
764static const AVFilterPad mp_inputs[] = {
765    {
766        .name         = "default",
767        .type         = AVMEDIA_TYPE_VIDEO,
768        .filter_frame = filter_frame,
769        .config_props = config_inprops,
770    },
771    { NULL }
772};
773
774static const AVFilterPad mp_outputs[] = {
775    {
776        .name          = "default",
777        .type          = AVMEDIA_TYPE_VIDEO,
778        .request_frame = request_frame,
779        .config_props  = config_outprops,
780    },
781    { NULL }
782};
783
784AVFilter ff_vf_mp = {
785    .name          = "mp",
786    .description   = NULL_IF_CONFIG_SMALL("Apply a libmpcodecs filter to the input video."),
787    .init          = init,
788    .uninit        = uninit,
789    .priv_size     = sizeof(MPContext),
790    .query_formats = query_formats,
791    .inputs        = mp_inputs,
792    .outputs       = mp_outputs,
793    .priv_class    = &mp_class,
794};
795