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vf_uspp.c
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1 /*
2  * Copyright (C) 2005 Michael Niedermayer <michaelni@gmx.at>
3  *
4  * This file is part of MPlayer.
5  *
6  * MPlayer 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  * MPlayer 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 along
17  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19  */
20 
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <string.h>
24 #include <inttypes.h>
25 #include <math.h>
26 #include <assert.h>
27 
28 #include "config.h"
29 
30 #include "mp_msg.h"
31 #include "cpudetect.h"
32 
33 #include "libavutil/mem.h"
34 #include "libavcodec/avcodec.h"
35 
36 #include "img_format.h"
37 #include "mp_image.h"
38 #include "vf.h"
39 #include "av_helpers.h"
40 #include "libvo/fastmemcpy.h"
41 
42 #define XMIN(a,b) ((a) < (b) ? (a) : (b))
43 
44 #define BLOCK 16
45 
46 //===========================================================================//
47 DECLARE_ALIGNED(8, static const uint8_t, dither)[8][8] = {
48 { 0*4, 48*4, 12*4, 60*4, 3*4, 51*4, 15*4, 63*4, },
49 { 32*4, 16*4, 44*4, 28*4, 35*4, 19*4, 47*4, 31*4, },
50 { 8*4, 56*4, 4*4, 52*4, 11*4, 59*4, 7*4, 55*4, },
51 { 40*4, 24*4, 36*4, 20*4, 43*4, 27*4, 39*4, 23*4, },
52 { 2*4, 50*4, 14*4, 62*4, 1*4, 49*4, 13*4, 61*4, },
53 { 34*4, 18*4, 46*4, 30*4, 33*4, 17*4, 45*4, 29*4, },
54 { 10*4, 58*4, 6*4, 54*4, 9*4, 57*4, 5*4, 53*4, },
55 { 42*4, 26*4, 38*4, 22*4, 41*4, 25*4, 37*4, 21*4, },
56 };
57 
58 static const uint8_t offset[511][2]= {
59 { 0, 0},
60 { 0, 0}, { 8, 8},
61 { 0, 0}, { 4, 4}, {12, 8}, { 8,12},
62 { 0, 0}, {10, 2}, { 4, 4}, {14, 6}, { 8, 8}, { 2,10}, {12,12}, { 6,14},
63 
64 { 0, 0}, {10, 2}, { 4, 4}, {14, 6}, { 8, 8}, { 2,10}, {12,12}, { 6,14},
65 { 5, 1}, {15, 3}, { 9, 5}, { 3, 7}, {13, 9}, { 7,11}, { 1,13}, {11,15},
66 
67 { 0, 0}, { 8, 0}, { 0, 8}, { 8, 8}, { 5, 1}, {13, 1}, { 5, 9}, {13, 9},
68 { 2, 2}, {10, 2}, { 2,10}, {10,10}, { 7, 3}, {15, 3}, { 7,11}, {15,11},
69 { 4, 4}, {12, 4}, { 4,12}, {12,12}, { 1, 5}, { 9, 5}, { 1,13}, { 9,13},
70 { 6, 6}, {14, 6}, { 6,14}, {14,14}, { 3, 7}, {11, 7}, { 3,15}, {11,15},
71 
72 { 0, 0}, { 8, 0}, { 0, 8}, { 8, 8}, { 4, 0}, {12, 0}, { 4, 8}, {12, 8},
73 { 1, 1}, { 9, 1}, { 1, 9}, { 9, 9}, { 5, 1}, {13, 1}, { 5, 9}, {13, 9},
74 { 3, 2}, {11, 2}, { 3,10}, {11,10}, { 7, 2}, {15, 2}, { 7,10}, {15,10},
75 { 2, 3}, {10, 3}, { 2,11}, {10,11}, { 6, 3}, {14, 3}, { 6,11}, {14,11},
76 { 0, 4}, { 8, 4}, { 0,12}, { 8,12}, { 4, 4}, {12, 4}, { 4,12}, {12,12},
77 { 1, 5}, { 9, 5}, { 1,13}, { 9,13}, { 5, 5}, {13, 5}, { 5,13}, {13,13},
78 { 3, 6}, {11, 6}, { 3,14}, {11,14}, { 7, 6}, {15, 6}, { 7,14}, {15,14},
79 { 2, 7}, {10, 7}, { 2,15}, {10,15}, { 6, 7}, {14, 7}, { 6,15}, {14,15},
80 
81 { 0, 0}, { 8, 0}, { 0, 8}, { 8, 8}, { 0, 2}, { 8, 2}, { 0,10}, { 8,10},
82 { 0, 4}, { 8, 4}, { 0,12}, { 8,12}, { 0, 6}, { 8, 6}, { 0,14}, { 8,14},
83 { 1, 1}, { 9, 1}, { 1, 9}, { 9, 9}, { 1, 3}, { 9, 3}, { 1,11}, { 9,11},
84 { 1, 5}, { 9, 5}, { 1,13}, { 9,13}, { 1, 7}, { 9, 7}, { 1,15}, { 9,15},
85 { 2, 0}, {10, 0}, { 2, 8}, {10, 8}, { 2, 2}, {10, 2}, { 2,10}, {10,10},
86 { 2, 4}, {10, 4}, { 2,12}, {10,12}, { 2, 6}, {10, 6}, { 2,14}, {10,14},
87 { 3, 1}, {11, 1}, { 3, 9}, {11, 9}, { 3, 3}, {11, 3}, { 3,11}, {11,11},
88 { 3, 5}, {11, 5}, { 3,13}, {11,13}, { 3, 7}, {11, 7}, { 3,15}, {11,15},
89 { 4, 0}, {12, 0}, { 4, 8}, {12, 8}, { 4, 2}, {12, 2}, { 4,10}, {12,10},
90 { 4, 4}, {12, 4}, { 4,12}, {12,12}, { 4, 6}, {12, 6}, { 4,14}, {12,14},
91 { 5, 1}, {13, 1}, { 5, 9}, {13, 9}, { 5, 3}, {13, 3}, { 5,11}, {13,11},
92 { 5, 5}, {13, 5}, { 5,13}, {13,13}, { 5, 7}, {13, 7}, { 5,15}, {13,15},
93 { 6, 0}, {14, 0}, { 6, 8}, {14, 8}, { 6, 2}, {14, 2}, { 6,10}, {14,10},
94 { 6, 4}, {14, 4}, { 6,12}, {14,12}, { 6, 6}, {14, 6}, { 6,14}, {14,14},
95 { 7, 1}, {15, 1}, { 7, 9}, {15, 9}, { 7, 3}, {15, 3}, { 7,11}, {15,11},
96 { 7, 5}, {15, 5}, { 7,13}, {15,13}, { 7, 7}, {15, 7}, { 7,15}, {15,15},
97 
98 { 0, 0}, { 8, 0}, { 0, 8}, { 8, 8}, { 4, 4}, {12, 4}, { 4,12}, {12,12}, { 0, 4}, { 8, 4}, { 0,12}, { 8,12}, { 4, 0}, {12, 0}, { 4, 8}, {12, 8}, { 2, 2}, {10, 2}, { 2,10}, {10,10}, { 6, 6}, {14, 6}, { 6,14}, {14,14}, { 2, 6}, {10, 6}, { 2,14}, {10,14}, { 6, 2}, {14, 2}, { 6,10}, {14,10}, { 0, 2}, { 8, 2}, { 0,10}, { 8,10}, { 4, 6}, {12, 6}, { 4,14}, {12,14}, { 0, 6}, { 8, 6}, { 0,14}, { 8,14}, { 4, 2}, {12, 2}, { 4,10}, {12,10}, { 2, 0}, {10, 0}, { 2, 8}, {10, 8}, { 6, 4}, {14, 4}, { 6,12}, {14,12}, { 2, 4}, {10, 4}, { 2,12}, {10,12}, { 6, 0}, {14, 0}, { 6, 8}, {14, 8}, { 1, 1}, { 9, 1}, { 1, 9}, { 9, 9}, { 5, 5}, {13, 5}, { 5,13}, {13,13}, { 1, 5}, { 9, 5}, { 1,13}, { 9,13}, { 5, 1}, {13, 1}, { 5, 9}, {13, 9}, { 3, 3}, {11, 3}, { 3,11}, {11,11}, { 7, 7}, {15, 7}, { 7,15}, {15,15}, { 3, 7}, {11, 7}, { 3,15}, {11,15}, { 7, 3}, {15, 3}, { 7,11}, {15,11}, { 1, 3}, { 9, 3}, { 1,11}, { 9,11}, { 5, 7}, {13, 7}, { 5,15}, {13,15}, { 1, 7}, { 9, 7}, { 1,15}, { 9,15}, { 5, 3}, {13, 3}, { 5,11}, {13,11}, { 3, 1}, {11, 1}
99 , { 3, 9}, {11, 9}, { 7, 5}, {15, 5}, { 7,13}, {15,13}, { 3, 5}, {11, 5}, { 3,13}, {11,13}, { 7, 1}, {15, 1}, { 7, 9}, {15, 9}, { 0, 1}, { 8, 1}, { 0, 9}, { 8, 9}, { 4, 5}, {12, 5}, { 4,13}, {12,13}, { 0, 5}, { 8, 5}, { 0,13}, { 8,13}, { 4, 1}, {12, 1}, { 4, 9}, {12, 9}, { 2, 3}, {10, 3}, { 2,11}, {10,11}, { 6, 7}, {14, 7}, { 6,15}, {14,15}, { 2, 7}, {10, 7}, { 2,15}, {10,15}, { 6, 3}, {14, 3}, { 6,11}, {14,11}, { 0, 3}, { 8, 3}, { 0,11}, { 8,11}, { 4, 7}, {12, 7}, { 4,15}, {12,15}, { 0, 7}, { 8, 7}, { 0,15}, { 8,15}, { 4, 3}, {12, 3}, { 4,11}, {12,11}, { 2, 1}, {10, 1}, { 2, 9}, {10, 9}, { 6, 5}, {14, 5}, { 6,13}, {14,13}, { 2, 5}, {10, 5}, { 2,13}, {10,13}, { 6, 1}, {14, 1}, { 6, 9}, {14, 9}, { 1, 0}, { 9, 0}, { 1, 8}, { 9, 8}, { 5, 4}, {13, 4}, { 5,12}, {13,12}, { 1, 4}, { 9, 4}, { 1,12}, { 9,12}, { 5, 0}, {13, 0}, { 5, 8}, {13, 8}, { 3, 2}, {11, 2}, { 3,10}, {11,10}, { 7, 6}, {15, 6}, { 7,14}, {15,14}, { 3, 6}, {11, 6}, { 3,14}, {11,14}, { 7, 2}, {15, 2}, { 7,10}, {15,10}, { 1, 2}, { 9, 2}, { 1,10}, { 9,
100 10}, { 5, 6}, {13, 6}, { 5,14}, {13,14}, { 1, 6}, { 9, 6}, { 1,14}, { 9,14}, { 5, 2}, {13, 2}, { 5,10}, {13,10}, { 3, 0}, {11, 0}, { 3, 8}, {11, 8}, { 7, 4}, {15, 4}, { 7,12}, {15,12}, { 3, 4}, {11, 4}, { 3,12}, {11,12}, { 7, 0}, {15, 0}, { 7, 8}, {15, 8},
101 };
102 
103 struct vf_priv_s {
104  int log2_count;
105  int qp;
106  int mode;
107  int mpeg2;
108  int temp_stride[3];
109  uint8_t *src[3];
110  int16_t *temp[3];
111  int outbuf_size;
112  uint8_t *outbuf;
113  AVCodecContext *avctx_enc[BLOCK*BLOCK];
114  AVFrame *frame;
115  AVFrame *frame_dec;
116 };
117 
118 static void store_slice_c(uint8_t *dst, int16_t *src, int dst_stride, int src_stride, int width, int height, int log2_scale){
119  int y, x;
120 
121 #define STORE(pos) \
122  temp= ((src[x + y*src_stride + pos]<<log2_scale) + d[pos])>>8;\
123  if(temp & 0x100) temp= ~(temp>>31);\
124  dst[x + y*dst_stride + pos]= temp;
125 
126  for(y=0; y<height; y++){
127  const uint8_t *d= dither[y&7];
128  for(x=0; x<width; x+=8){
129  int temp;
130  STORE(0);
131  STORE(1);
132  STORE(2);
133  STORE(3);
134  STORE(4);
135  STORE(5);
136  STORE(6);
137  STORE(7);
138  }
139  }
140 }
141 
142 static void filter(struct vf_priv_s *p, uint8_t *dst[3], uint8_t *src[3], int dst_stride[3], int src_stride[3], int width, int height, uint8_t *qp_store, int qp_stride){
143  int x, y, i, j;
144  const int count= 1<<p->log2_count;
145 
146  for(i=0; i<3; i++){
147  int is_chroma= !!i;
148  int w= width >>is_chroma;
149  int h= height>>is_chroma;
150  int stride= p->temp_stride[i];
151  int block= BLOCK>>is_chroma;
152 
153  if (!src[i] || !dst[i])
154  continue; // HACK avoid crash for Y8 colourspace
155  for(y=0; y<h; y++){
156  int index= block + block*stride + y*stride;
157  fast_memcpy(p->src[i] + index, src[i] + y*src_stride[i], w);
158  for(x=0; x<block; x++){
159  p->src[i][index - x - 1]= p->src[i][index + x ];
160  p->src[i][index + w + x ]= p->src[i][index + w - x - 1];
161  }
162  }
163  for(y=0; y<block; y++){
164  fast_memcpy(p->src[i] + ( block-1-y)*stride, p->src[i] + ( y+block )*stride, stride);
165  fast_memcpy(p->src[i] + (h+block +y)*stride, p->src[i] + (h-y+block-1)*stride, stride);
166  }
167 
168  p->frame->linesize[i]= stride;
169  memset(p->temp[i], 0, (h+2*block)*stride*sizeof(int16_t));
170  }
171 
172  if(p->qp)
173  p->frame->quality= p->qp * FF_QP2LAMBDA;
174  else
175  p->frame->quality= norm_qscale(qp_store[0], p->mpeg2) * FF_QP2LAMBDA;
176 // init per MB qscale stuff FIXME
177 
178  for(i=0; i<count; i++){
179  const int x1= offset[i+count-1][0];
180  const int y1= offset[i+count-1][1];
181  int offset;
182  p->frame->data[0]= p->src[0] + x1 + y1 * p->frame->linesize[0];
183  p->frame->data[1]= p->src[1] + x1/2 + y1/2 * p->frame->linesize[1];
184  p->frame->data[2]= p->src[2] + x1/2 + y1/2 * p->frame->linesize[2];
185 
186  avcodec_encode_video(p->avctx_enc[i], p->outbuf, p->outbuf_size, p->frame);
187  p->frame_dec = p->avctx_enc[i]->coded_frame;
188 
189  offset= (BLOCK-x1) + (BLOCK-y1)*p->frame_dec->linesize[0];
190  //FIXME optimize
191  for(y=0; y<height; y++){
192  for(x=0; x<width; x++){
193  p->temp[0][ x + y*p->temp_stride[0] ] += p->frame_dec->data[0][ x + y*p->frame_dec->linesize[0] + offset ];
194  }
195  }
196  offset= (BLOCK/2-x1/2) + (BLOCK/2-y1/2)*p->frame_dec->linesize[1];
197  for(y=0; y<height/2; y++){
198  for(x=0; x<width/2; x++){
199  p->temp[1][ x + y*p->temp_stride[1] ] += p->frame_dec->data[1][ x + y*p->frame_dec->linesize[1] + offset ];
200  p->temp[2][ x + y*p->temp_stride[2] ] += p->frame_dec->data[2][ x + y*p->frame_dec->linesize[2] + offset ];
201  }
202  }
203  }
204 
205  for(j=0; j<3; j++){
206  int is_chroma= !!j;
207  if (!dst[j])
208  continue; // HACK avoid crash for Y8 colourspace
209  store_slice_c(dst[j], p->temp[j], dst_stride[j], p->temp_stride[j], width>>is_chroma, height>>is_chroma, 8-p->log2_count);
210  }
211 }
212 
213 static int config(struct vf_instance *vf,
214  int width, int height, int d_width, int d_height,
215  unsigned int flags, unsigned int outfmt){
216  int i;
217  AVCodec *enc= avcodec_find_encoder(AV_CODEC_ID_SNOW);
218 
219  for(i=0; i<3; i++){
220  int is_chroma= !!i;
221  int w= ((width + 4*BLOCK-1) & (~(2*BLOCK-1)))>>is_chroma;
222  int h= ((height + 4*BLOCK-1) & (~(2*BLOCK-1)))>>is_chroma;
223 
224  vf->priv->temp_stride[i]= w;
225  vf->priv->temp[i]= malloc(vf->priv->temp_stride[i]*h*sizeof(int16_t));
226  vf->priv->src [i]= malloc(vf->priv->temp_stride[i]*h*sizeof(uint8_t));
227  }
228  for(i=0; i< (1<<vf->priv->log2_count); i++){
229  AVCodecContext *avctx_enc;
230  AVDictionary *opts = NULL;
231 
232  avctx_enc=
233  vf->priv->avctx_enc[i]= avcodec_alloc_context3(NULL);
234  avctx_enc->width = width + BLOCK;
235  avctx_enc->height = height + BLOCK;
236  avctx_enc->time_base= (AVRational){1,25}; // meaningless
237  avctx_enc->gop_size = 300;
238  avctx_enc->max_b_frames= 0;
239  avctx_enc->pix_fmt = AV_PIX_FMT_YUV420P;
240  avctx_enc->flags = CODEC_FLAG_QSCALE | CODEC_FLAG_LOW_DELAY;
241  avctx_enc->strict_std_compliance = FF_COMPLIANCE_EXPERIMENTAL;
242  avctx_enc->global_quality= 123;
243  av_dict_set(&opts, "no_bitstream", "1", 0);
244  if (avcodec_open2(avctx_enc, enc, &opts) < 0)
245  return 0;
246  av_dict_free(&opts);
247  assert(avctx_enc->codec);
248  }
249  vf->priv->frame= av_frame_alloc();
250  vf->priv->frame_dec= av_frame_alloc();
251 
252  vf->priv->outbuf_size= (width + BLOCK)*(height + BLOCK)*10;
253  vf->priv->outbuf= malloc(vf->priv->outbuf_size);
254 
255  return ff_vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
256 }
257 
258 static void get_image(struct vf_instance *vf, mp_image_t *mpi){
259  if(mpi->flags&MP_IMGFLAG_PRESERVE) return; // don't change
260  // ok, we can do pp in-place (or pp disabled):
261  vf->dmpi=ff_vf_get_image(vf->next,mpi->imgfmt,
262  mpi->type, mpi->flags | MP_IMGFLAG_READABLE, mpi->width, mpi->height);
263  mpi->planes[0]=vf->dmpi->planes[0];
264  mpi->stride[0]=vf->dmpi->stride[0];
265  mpi->width=vf->dmpi->width;
266  if(mpi->flags&MP_IMGFLAG_PLANAR){
267  mpi->planes[1]=vf->dmpi->planes[1];
268  mpi->planes[2]=vf->dmpi->planes[2];
269  mpi->stride[1]=vf->dmpi->stride[1];
270  mpi->stride[2]=vf->dmpi->stride[2];
271  }
272  mpi->flags|=MP_IMGFLAG_DIRECT;
273 }
274 
275 static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
276  mp_image_t *dmpi;
277 
278  if(!(mpi->flags&MP_IMGFLAG_DIRECT)){
279  // no DR, so get a new image! hope we'll get DR buffer:
280  dmpi=ff_vf_get_image(vf->next,mpi->imgfmt,
281  MP_IMGTYPE_TEMP,
282  MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
283  mpi->width,mpi->height);
284  ff_vf_clone_mpi_attributes(dmpi, mpi);
285  }else{
286  dmpi=vf->dmpi;
287  }
288 
289  vf->priv->mpeg2= mpi->qscale_type;
290  if(vf->priv->log2_count || !(mpi->flags&MP_IMGFLAG_DIRECT)){
291  if(mpi->qscale || vf->priv->qp){
292  filter(vf->priv, dmpi->planes, mpi->planes, dmpi->stride, mpi->stride, mpi->w, mpi->h, mpi->qscale, mpi->qstride);
293  }else{
294  memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h, dmpi->stride[0], mpi->stride[0]);
295  memcpy_pic(dmpi->planes[1], mpi->planes[1], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, dmpi->stride[1], mpi->stride[1]);
296  memcpy_pic(dmpi->planes[2], mpi->planes[2], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, dmpi->stride[2], mpi->stride[2]);
297  }
298  }
299 
300 #if HAVE_MMX_INLINE
301  if(ff_gCpuCaps.hasMMX) __asm__ volatile ("emms\n\t");
302 #endif
303 #if HAVE_MMXEXT_INLINE
304  if(ff_gCpuCaps.hasMMX2) __asm__ volatile ("sfence\n\t");
305 #endif
306 
307  return ff_vf_next_put_image(vf,dmpi, pts);
308 }
309 
310 static void uninit(struct vf_instance *vf){
311  int i;
312  if(!vf->priv) return;
313 
314  for(i=0; i<3; i++){
315  free(vf->priv->temp[i]);
316  vf->priv->temp[i]= NULL;
317  free(vf->priv->src[i]);
318  vf->priv->src[i]= NULL;
319  }
320  for(i=0; i<BLOCK*BLOCK; i++){
321  av_freep(&vf->priv->avctx_enc[i]);
322  }
323 
324  free(vf->priv);
325  vf->priv=NULL;
326 }
327 
328 //===========================================================================//
329 static int query_format(struct vf_instance *vf, unsigned int fmt){
330  switch(fmt){
331  case IMGFMT_YV12:
332  case IMGFMT_I420:
333  case IMGFMT_IYUV:
334  case IMGFMT_Y800:
335  case IMGFMT_Y8:
336  return ff_vf_next_query_format(vf,fmt);
337  }
338  return 0;
339 }
340 
341 static int control(struct vf_instance *vf, int request, void* data){
342  switch(request){
343  case VFCTRL_QUERY_MAX_PP_LEVEL:
344  return 8;
345  case VFCTRL_SET_PP_LEVEL:
346  vf->priv->log2_count= *((unsigned int*)data);
347  //FIXME we have to realloc a few things here
348  return CONTROL_TRUE;
349  }
350  return ff_vf_next_control(vf,request,data);
351 }
352 
353 static int vf_open(vf_instance_t *vf, char *args){
354 
355  int log2c=-1;
356 
357  vf->config=config;
358  vf->put_image=put_image;
359  vf->get_image=get_image;
360  vf->query_format=query_format;
361  vf->uninit=uninit;
362  vf->control= control;
363  vf->priv=malloc(sizeof(struct vf_priv_s));
364  memset(vf->priv, 0, sizeof(struct vf_priv_s));
365 
366  ff_init_avcodec();
367 
368  vf->priv->log2_count= 4;
369 
370  if (args) sscanf(args, "%d:%d:%d", &log2c, &vf->priv->qp, &vf->priv->mode);
371 
372  if( log2c >=0 && log2c <=8 )
373  vf->priv->log2_count = log2c;
374 
375  if(vf->priv->qp < 0)
376  vf->priv->qp = 0;
377 
378 // #if HAVE_MMX_INLINE
379 // if(ff_gCpuCaps.hasMMX){
380 // store_slice= store_slice_mmx;
381 // }
382 // #endif
383 
384  return 1;
385 }
386 
387 const vf_info_t ff_vf_info_uspp = {
388  "ultra simple/slow postprocess",
389  "uspp",
390  "Michael Niedermayer",
391  "",
392  vf_open,
393  NULL
394 };
Generated on Fri Dec 5 2014 04:42:08 for FFmpeg by   doxygen 1.8.2