libmpcodecs/ve_lavc.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <math.h>
   5 #include <time.h>
   6
   7 #if !defined(INFINITY) && defined(HUGE_VAL)
   8 #define INFINITY HUGE_VAL
   9 #endif
  10
  11 #include "../config.h"
  12
  13 #ifdef USE_LIBAVCODEC
  14
  15 #include "../mp_msg.h"
  16 #include "../help_mp.h"
  17
  18 #include "codec-cfg.h"
  19 #include "stream.h"
  20 #include "demuxer.h"
  21 #include "stheader.h"
  22
  23 #include "muxer.h"
  24
  25 #include "img_format.h"
  26 #include "mp_image.h"
  27 #include "vf.h"
  28
  29 extern char* passtmpfile;
  30
  31 //===========================================================================//
  32
  33 #ifdef USE_LIBAVCODEC_SO
  34 #include <ffmpeg/avcodec.h>
  35 #else
  36 #include "libavcodec/avcodec.h"
  37 #endif
  38
  39 #if LIBAVCODEC_BUILD < 4641
  40 #error we do not support libavcodec prior to build 4641, get the latest libavcodec CVS
  41 #endif
  42
  43 #if LIBAVCODEC_BUILD < 4659
  44 #warning your version of libavcodec is old, u might want to get a newer one
  45 #endif
  46
  47 #if LIBAVCODEC_BUILD < 4645
  48 #define AVFrame AVVideoFrame
  49 #define coded_frame coded_picture
  50 #endif
  51
  52 extern int avcodec_inited;
  53
  54 /* video options */
  55 static char *lavc_param_vcodec = "mpeg4";
  56 static int lavc_param_vbitrate = -1;
  57 static int lavc_param_vrate_tolerance = 1000*8;
  58 static int lavc_param_mb_decision = 0; /* default is realtime encoding */
  59 static int lavc_param_v4mv = 0;
  60 static int lavc_param_vme = 4;
  61 static float lavc_param_vqscale = 0.0;
  62 static int lavc_param_vqmin = 2;
  63 static int lavc_param_vqmax = 31;
  64 static int lavc_param_mb_qmin = 2;
  65 static int lavc_param_mb_qmax = 31;
  66 static float lavc_param_lmin = 2;
  67 static float lavc_param_lmax = 31;
  68 static int lavc_param_vqdiff = 3;
  69 static float lavc_param_vqcompress = 0.5;
  70 static float lavc_param_vqblur = 0.5;
  71 static float lavc_param_vb_qfactor = 1.25;
  72 static float lavc_param_vb_qoffset = 1.25;
  73 static float lavc_param_vi_qfactor = 0.8;
  74 static float lavc_param_vi_qoffset = 0.0;
  75 static int lavc_param_vmax_b_frames = 0;
  76 static int lavc_param_keyint = -1;
  77 static int lavc_param_vpass = 0;
  78 static int lavc_param_vrc_strategy = 2;
  79 static int lavc_param_vb_strategy = 0;
  80 static int lavc_param_luma_elim_threshold = 0;
  81 static int lavc_param_chroma_elim_threshold = 0;
  82 static int lavc_param_packet_size= 0;
  83 static int lavc_param_strict= 0;
  84 static int lavc_param_data_partitioning= 0;
  85 static int lavc_param_gray=0;
  86 static float lavc_param_rc_qsquish=1.0;
  87 static float lavc_param_rc_qmod_amp=0;
  88 static int lavc_param_rc_qmod_freq=0;
  89 static char *lavc_param_rc_override_string=NULL;
  90 static char *lavc_param_rc_eq="tex^qComp";
  91 static int lavc_param_rc_buffer_size=0;
  92 static float lavc_param_rc_buffer_aggressivity=1.0;
  93 static int lavc_param_rc_max_rate=0;
  94 static int lavc_param_rc_min_rate=0;
  95 static float lavc_param_rc_initial_cplx=0;
  96 static int lavc_param_mpeg_quant=0;
  97 static int lavc_param_fdct=0;
  98 static int lavc_param_idct=0;
  99 static char* lavc_param_aspect = NULL;
 100 static int lavc_param_autoaspect = 0;
 101 static float lavc_param_lumi_masking= 0.0;
 102 static float lavc_param_dark_masking= 0.0;
 103 static float lavc_param_temporal_cplx_masking= 0.0;
 104 static float lavc_param_spatial_cplx_masking= 0.0;
 105 static float lavc_param_p_masking= 0.0;
 106 static int lavc_param_normalize_aqp= 0;
 107 static int lavc_param_interlaced_dct= 0;
 108 static int lavc_param_prediction_method= FF_PRED_LEFT;
 109 static int lavc_param_format= IMGFMT_YV12;
 110 static int lavc_param_debug= 0;
 111 static int lavc_param_psnr= 0;
 112 static int lavc_param_me_pre_cmp= 0;
 113 static int lavc_param_me_cmp= 0;
 114 static int lavc_param_me_sub_cmp= 0;
 115 static int lavc_param_mb_cmp= 0;
 116 static int lavc_param_pre_dia_size= 0;
 117 static int lavc_param_dia_size= 0;
 118 static int lavc_param_qpel= 0;
 119 static int lavc_param_trell= 0;
 120 static int lavc_param_aic= 0;
 121 static int lavc_param_umv= 0;
 122 static int lavc_param_last_pred= 0;
 123 static int lavc_param_pre_me= 1;
 124 static int lavc_param_me_subpel_quality= 8;
 125 static int lavc_param_me_range= 0;
 126 #if LIBAVCODEC_BUILD >= 4663
 127 static int lavc_param_ibias= FF_DEFAULT_QUANT_BIAS;
 128 static int lavc_param_pbias= FF_DEFAULT_QUANT_BIAS;
 129 #endif
 130 static int lavc_param_coder= 0;
 131 static int lavc_param_context= 0;
 132 static char *lavc_param_intra_matrix = NULL;
 133 static char *lavc_param_inter_matrix = NULL;
 134 static int lavc_param_cbp= 0;
 135 static int lavc_param_mv0= 0;
 136 static int lavc_param_noise_reduction= 0;
 137 static int lavc_param_qp_rd= 0;
 138
 139 char *lavc_param_acodec = "mp2";
 140 int lavc_param_atag = 0;
 141 int lavc_param_abitrate = 224;
 142
 143 #include "m_option.h"
 144
 145 #ifdef USE_LIBAVCODEC
 146 m_option_t lavcopts_conf[]={
 147         {"acodec", &lavc_param_acodec, CONF_TYPE_STRING, 0, 0, 0, NULL},
 148         {"abitrate", &lavc_param_abitrate, CONF_TYPE_INT, CONF_RANGE, 1, 1000, NULL},
 149         {"atag", &lavc_param_atag, CONF_TYPE_INT, CONF_RANGE, 0, 0xffff, NULL},
 150         {"vcodec", &lavc_param_vcodec, CONF_TYPE_STRING, 0, 0, 0, NULL},
 151         {"vbitrate", &lavc_param_vbitrate, CONF_TYPE_INT, CONF_RANGE, 4, 24000000, NULL},
 152         {"vratetol", &lavc_param_vrate_tolerance, CONF_TYPE_INT, CONF_RANGE, 4, 24000000, NULL},
 153         {"vhq", &lavc_param_mb_decision, CONF_TYPE_FLAG, 0, 0, 1, NULL},
 154         {"mbd", &lavc_param_mb_decision, CONF_TYPE_INT, CONF_RANGE, 0, 9, NULL},
 155         {"v4mv", &lavc_param_v4mv, CONF_TYPE_FLAG, 0, 0, 1, NULL},
 156         {"vme", &lavc_param_vme, CONF_TYPE_INT, CONF_RANGE, 0, 5, NULL},
 157         {"vqscale", &lavc_param_vqscale, CONF_TYPE_FLOAT, CONF_RANGE, 0.01, 255.0, NULL},
 158         {"vqmin", &lavc_param_vqmin, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
 159         {"vqmax", &lavc_param_vqmax, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
 160         {"mbqmin", &lavc_param_mb_qmin, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
 161         {"mbqmax", &lavc_param_mb_qmax, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
 162         {"lmin", &lavc_param_lmin, CONF_TYPE_FLOAT, CONF_RANGE, 0.01, 255.0, NULL},
 163         {"lmax", &lavc_param_lmax, CONF_TYPE_FLOAT, CONF_RANGE, 0.01, 255.0, NULL},
 164         {"vqdiff", &lavc_param_vqdiff, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
 165         {"vqcomp", &lavc_param_vqcompress, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 1.0, NULL},
 166         {"vqblur", &lavc_param_vqblur, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 1.0, NULL},
 167         {"vb_qfactor", &lavc_param_vb_qfactor, CONF_TYPE_FLOAT, CONF_RANGE, -31.0, 31.0, NULL},
 168         {"vmax_b_frames", &lavc_param_vmax_b_frames, CONF_TYPE_INT, CONF_RANGE, 0, FF_MAX_B_FRAMES, NULL},
 169         {"vpass", &lavc_param_vpass, CONF_TYPE_INT, CONF_RANGE, 0, 2, NULL},
 170         {"vrc_strategy", &lavc_param_vrc_strategy, CONF_TYPE_INT, CONF_RANGE, 0, 2, NULL},
 171         {"vb_strategy", &lavc_param_vb_strategy, CONF_TYPE_INT, CONF_RANGE, 0, 10, NULL},
 172         {"vb_qoffset", &lavc_param_vb_qoffset, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 31.0, NULL},
 173         {"vlelim", &lavc_param_luma_elim_threshold, CONF_TYPE_INT, CONF_RANGE, -99, 99, NULL},
 174         {"vcelim", &lavc_param_chroma_elim_threshold, CONF_TYPE_INT, CONF_RANGE, -99, 99, NULL},
 175         {"vpsize", &lavc_param_packet_size, CONF_TYPE_INT, CONF_RANGE, 0, 100000000, NULL},
 176         {"vstrict", &lavc_param_strict, CONF_TYPE_INT, CONF_RANGE, -99, 99, NULL},
 177         {"vdpart", &lavc_param_data_partitioning, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_PART, NULL},
 178         {"keyint", &lavc_param_keyint, CONF_TYPE_INT, 0, 0, 0, NULL},
 179         {"gray", &lavc_param_gray, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_PART, NULL},
 180         {"mpeg_quant", &lavc_param_mpeg_quant, CONF_TYPE_FLAG, 0, 0, 1, NULL},
 181         {"vi_qfactor", &lavc_param_vi_qfactor, CONF_TYPE_FLOAT, CONF_RANGE, -31.0, 31.0, NULL},
 182         {"vi_qoffset", &lavc_param_vi_qoffset, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 31.0, NULL},
 183         {"vqsquish", &lavc_param_rc_qsquish, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 99.0, NULL},
 184         {"vqmod_amp", &lavc_param_rc_qmod_amp, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 99.0, NULL},
 185         {"vqmod_freq", &lavc_param_rc_qmod_freq, CONF_TYPE_INT, 0, 0, 0, NULL},
 186         {"vrc_eq", &lavc_param_rc_eq, CONF_TYPE_STRING, 0, 0, 0, NULL},
 187         {"vrc_override", &lavc_param_rc_override_string, CONF_TYPE_STRING, 0, 0, 0, NULL},
 188         {"vrc_maxrate", &lavc_param_rc_max_rate, CONF_TYPE_INT, CONF_RANGE, 4, 24000000, NULL},
 189         {"vrc_minrate", &lavc_param_rc_min_rate, CONF_TYPE_INT, CONF_RANGE, 4, 24000000, NULL},
 190         {"vrc_buf_size", &lavc_param_rc_buffer_size, CONF_TYPE_INT, CONF_RANGE, 4, 24000000, NULL},
 191         {"vrc_buf_aggressivity", &lavc_param_rc_buffer_aggressivity, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 99.0, NULL},
 192         {"vrc_init_cplx", &lavc_param_rc_initial_cplx, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 9999999.0, NULL},
 193         {"vfdct", &lavc_param_fdct, CONF_TYPE_INT, CONF_RANGE, 0, 10, NULL},
 194         {"aspect", &lavc_param_aspect, CONF_TYPE_STRING, 0, 0, 0, NULL},
 195         {"autoaspect", &lavc_param_autoaspect, CONF_TYPE_FLAG, 0, 0, 1, NULL},
 196         {"lumi_mask", &lavc_param_lumi_masking, CONF_TYPE_FLOAT, CONF_RANGE, -1.0, 1.0, NULL},
 197         {"tcplx_mask", &lavc_param_temporal_cplx_masking, CONF_TYPE_FLOAT, CONF_RANGE, -1.0, 1.0, NULL},
 198         {"scplx_mask", &lavc_param_spatial_cplx_masking, CONF_TYPE_FLOAT, CONF_RANGE, -1.0, 1.0, NULL},
 199         {"p_mask", &lavc_param_p_masking, CONF_TYPE_FLOAT, CONF_RANGE, -1.0, 1.0, NULL},
 200         {"naq", &lavc_param_normalize_aqp, CONF_TYPE_FLAG, 0, 0, 1, NULL},
 201         {"dark_mask", &lavc_param_dark_masking, CONF_TYPE_FLOAT, CONF_RANGE, -1.0, 1.0, NULL},
 202         {"ildct", &lavc_param_interlaced_dct, CONF_TYPE_FLAG, 0, 0, 1, NULL},
 203         {"idct", &lavc_param_idct, CONF_TYPE_INT, CONF_RANGE, 0, 20, NULL},
 204         {"pred", &lavc_param_prediction_method, CONF_TYPE_INT, CONF_RANGE, 0, 20, NULL},
 205         {"format", &lavc_param_format, CONF_TYPE_IMGFMT, 0, 0, 0, NULL},
 206 #if LIBAVCODEC_BUILD >= 4642
 207         {"debug", &lavc_param_debug, CONF_TYPE_INT, CONF_RANGE, 0, 100000000, NULL},
 208 #endif
 209 #if LIBAVCODEC_BUILD >= 4643
 210         {"psnr", &lavc_param_psnr, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_PSNR, NULL},
 211 #endif
 212         {"precmp", &lavc_param_me_pre_cmp, CONF_TYPE_INT, CONF_RANGE, 0, 2000, NULL},
 213         {"cmp", &lavc_param_me_cmp, CONF_TYPE_INT, CONF_RANGE, 0, 2000, NULL},
 214         {"subcmp", &lavc_param_me_sub_cmp, CONF_TYPE_INT, CONF_RANGE, 0, 2000, NULL},
 215         {"mbcmp", &lavc_param_mb_cmp, CONF_TYPE_INT, CONF_RANGE, 0, 2000, NULL},
 216         {"predia", &lavc_param_pre_dia_size, CONF_TYPE_INT, CONF_RANGE, -2000, 2000, NULL},
 217         {"dia", &lavc_param_dia_size, CONF_TYPE_INT, CONF_RANGE, -2000, 2000, NULL},
 218         {"qpel", &lavc_param_qpel, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_QPEL, NULL},
 219 #if LIBAVCODEC_BUILD >= 4648
 220         {"trell", &lavc_param_trell, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_TRELLIS_QUANT, NULL},
 221 #endif
 222         {"last_pred", &lavc_param_last_pred, CONF_TYPE_INT, CONF_RANGE, 0, 2000, NULL},
 223         {"preme", &lavc_param_pre_me, CONF_TYPE_INT, CONF_RANGE, 0, 2000, NULL},
 224         {"subq", &lavc_param_me_subpel_quality, CONF_TYPE_INT, CONF_RANGE, 0, 8, NULL},
 225         {"me_range", &lavc_param_me_range, CONF_TYPE_INT, CONF_RANGE, 0, 16000, NULL},
 226 #ifdef CODEC_FLAG_H263P_AIC
 227         {"aic", &lavc_param_aic, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_H263P_AIC, NULL},
 228         {"umv", &lavc_param_umv, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_H263P_UMV, NULL},
 229 #endif
 230 #if LIBAVCODEC_BUILD >= 4663
 231         {"ibias", &lavc_param_ibias, CONF_TYPE_INT, CONF_RANGE, -512, 512, NULL},
 232         {"pbias", &lavc_param_pbias, CONF_TYPE_INT, CONF_RANGE, -512, 512, NULL},
 233 #endif
 234 #if LIBAVCODEC_BUILD >= 4669
 235         {"coder", &lavc_param_coder, CONF_TYPE_INT, CONF_RANGE, 0, 10, NULL},
 236         {"context", &lavc_param_context, CONF_TYPE_INT, CONF_RANGE, 0, 10, NULL},
 237 #endif
 238 #if LIBAVCODEC_BUILD >= 4675
 239         {"intra_matrix", &lavc_param_intra_matrix, CONF_TYPE_STRING, 0, 0, 0, NULL},
 240         {"inter_matrix", &lavc_param_inter_matrix, CONF_TYPE_STRING, 0, 0, 0, NULL},
 241 #endif
 242 #if LIBAVCODEC_BUILD >= 4681
 243         {"cbp", &lavc_param_cbp, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_CBP_RD, NULL},
 244 #endif
 245 #if LIBAVCODEC_BUILD >= 4683
 246         {"mv0", &lavc_param_mv0, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_MV0, NULL},
 247 #endif
 248         {"nr", &lavc_param_noise_reduction, CONF_TYPE_INT, CONF_RANGE, 0, 1000000, NULL},
 249 #ifdef CODEC_FLAG_QP_RD
 250         {"qprd", &lavc_param_qp_rd, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_QP_RD, NULL},
 251 #endif
 252         {NULL, NULL, 0, 0, 0, 0, NULL}
 253 };
 254 #endif
 255
 256 struct vf_priv_s {
 257     muxer_stream_t* mux;
 258     AVCodecContext *context;
 259     AVFrame *pic;
 260     AVCodec *codec;
 261     FILE *stats_file;
 262 };
 263
 264 #define stats_file (vf->priv->stats_file)
 265 #define mux_v (vf->priv->mux)
 266 #define lavc_venc_context (vf->priv->context)
 267
 268 #if LIBAVCODEC_BUILD < 4684
 269 #define FF_QP2LAMBDA 1
 270 #endif
 271
 272 static int config(struct vf_instance_s* vf,
 273         int width, int height, int d_width, int d_height,
 274         unsigned int flags, unsigned int outfmt){
 275     int size, i;
 276     void *p;
 277
 278     mux_v->bih->biWidth=width;
 279     mux_v->bih->biHeight=height;
 280     mux_v->bih->biSizeImage=mux_v->bih->biWidth*mux_v->bih->biHeight*(mux_v->bih->biBitCount/8);
 281
 282     printf("videocodec: libavcodec (%dx%d fourcc=%x [%.4s])\n",
 283         mux_v->bih->biWidth, mux_v->bih->biHeight, mux_v->bih->biCompression,
 284             (char *)&mux_v->bih->biCompression);
 285
 286     lavc_venc_context->width = width;
 287     lavc_venc_context->height = height;
 288     if (lavc_param_vbitrate > 16000) /* != -1 */
 289         lavc_venc_context->bit_rate = lavc_param_vbitrate;
 290     else if (lavc_param_vbitrate >= 0) /* != -1 */
 291         lavc_venc_context->bit_rate = lavc_param_vbitrate*1000;
 292     else
 293         lavc_venc_context->bit_rate = 800000; /* default */
 294     lavc_venc_context->bit_rate_tolerance= lavc_param_vrate_tolerance*1000;
 295 #if LIBAVCODEC_BUILD >= 4662
 296     lavc_venc_context->frame_rate      = mux_v->h.dwRate;
 297     lavc_venc_context->frame_rate_base = mux_v->h.dwScale;
 298 #else
 299     lavc_venc_context->frame_rate      = mux_v->h.dwRate*FRAME_RATE_BASE/mux_v->h.dwScale;
 300 #endif
 301     lavc_venc_context->qmin= lavc_param_vqmin;
 302     lavc_venc_context->qmax= lavc_param_vqmax;
 303 #if LIBAVCODEC_BUILD >= 4646
 304     lavc_venc_context->mb_qmin= lavc_param_mb_qmin;
 305     lavc_venc_context->mb_qmax= lavc_param_mb_qmax;
 306 #endif
 307 #if LIBAVCODEC_BUILD >= 4684
 308     lavc_venc_context->lmin= (int)(FF_QP2LAMBDA * lavc_param_lmin + 0.5);
 309     lavc_venc_context->lmax= (int)(FF_QP2LAMBDA * lavc_param_lmax + 0.5);
 310 #endif
 311     lavc_venc_context->max_qdiff= lavc_param_vqdiff;
 312     lavc_venc_context->qcompress= lavc_param_vqcompress;
 313     lavc_venc_context->qblur= lavc_param_vqblur;
 314     lavc_venc_context->max_b_frames= lavc_param_vmax_b_frames;
 315     lavc_venc_context->b_quant_factor= lavc_param_vb_qfactor;
 316     lavc_venc_context->rc_strategy= lavc_param_vrc_strategy;
 317     lavc_venc_context->b_frame_strategy= lavc_param_vb_strategy;
 318     lavc_venc_context->b_quant_offset= lavc_param_vb_qoffset;
 319     lavc_venc_context->luma_elim_threshold= lavc_param_luma_elim_threshold;
 320     lavc_venc_context->chroma_elim_threshold= lavc_param_chroma_elim_threshold;
 321     lavc_venc_context->rtp_payload_size= lavc_param_packet_size;
 322     if(lavc_param_packet_size )lavc_venc_context->rtp_mode=1;
 323     lavc_venc_context->strict_std_compliance= lavc_param_strict;
 324     lavc_venc_context->i_quant_factor= lavc_param_vi_qfactor;
 325     lavc_venc_context->i_quant_offset= lavc_param_vi_qoffset;
 326     lavc_venc_context->rc_qsquish= lavc_param_rc_qsquish;
 327     lavc_venc_context->rc_qmod_amp= lavc_param_rc_qmod_amp;
 328     lavc_venc_context->rc_qmod_freq= lavc_param_rc_qmod_freq;
 329     lavc_venc_context->rc_eq= lavc_param_rc_eq;
 330     lavc_venc_context->rc_max_rate= lavc_param_rc_max_rate*1000;
 331     lavc_venc_context->rc_min_rate= lavc_param_rc_min_rate*1000;
 332     lavc_venc_context->rc_buffer_size= lavc_param_rc_buffer_size*1000;
 333     lavc_venc_context->rc_buffer_aggressivity= lavc_param_rc_buffer_aggressivity;
 334     lavc_venc_context->rc_initial_cplx= lavc_param_rc_initial_cplx;
 335 #if LIBAVCODEC_BUILD >= 4642
 336     lavc_venc_context->debug= lavc_param_debug;
 337 #endif
 338 #if LIBAVCODEC_BUILD >= 4649
 339     lavc_venc_context->last_predictor_count= lavc_param_last_pred;
 340 #endif
 341 #if LIBAVCODEC_BUILD >= 4650
 342     lavc_venc_context->pre_me= lavc_param_pre_me;
 343 #endif
 344 #if LIBAVCODEC_BUILD >= 4651
 345     lavc_venc_context->me_pre_cmp= lavc_param_me_pre_cmp;
 346     lavc_venc_context->pre_dia_size= lavc_param_pre_dia_size;
 347 #endif
 348 #if LIBAVCODEC_BUILD >= 4652
 349     lavc_venc_context->me_subpel_quality= lavc_param_me_subpel_quality;
 350 #endif
 351 #if LIBAVCODEC_BUILD >= 4659
 352     lavc_venc_context->me_range= lavc_param_me_range;
 353 #endif
 354 #if LIBAVCODEC_BUILD >= 4663
 355     lavc_venc_context->intra_quant_bias= lavc_param_ibias;
 356     lavc_venc_context->inter_quant_bias= lavc_param_pbias;
 357 #endif
 358 #if LIBAVCODEC_BUILD >= 4669
 359     lavc_venc_context->coder_type= lavc_param_coder;
 360     lavc_venc_context->context_model= lavc_param_context;
 361 #endif
 362 #if LIBAVCODEC_BUILD >= 4690
 363     lavc_venc_context->noise_reduction= lavc_param_noise_reduction;
 364 #endif
 365 #if LIBAVCODEC_BUILD >= 4675
 366     if (lavc_param_intra_matrix)
 367     {
 368         char *tmp;
 369
 370         lavc_venc_context->intra_matrix =
 371             malloc(sizeof(*lavc_venc_context->intra_matrix)*64);
 372
 373         i = 0;
 374         while ((tmp = strsep(&lavc_param_intra_matrix, ",")) && (i < 64))
 375         {
 376             if (!tmp || (tmp && !strlen(tmp)))
 377                 break;
 378             lavc_venc_context->intra_matrix[i++] = atoi(tmp);
 379         }
 380
 381         if (i != 64)
 382         {
 383             free(lavc_venc_context->intra_matrix);
 384             lavc_venc_context->intra_matrix = NULL;
 385         }
 386         else
 387             mp_msg(MSGT_MENCODER, MSGL_V, "Using user specified intra matrix\n");
 388     }
 389     if (lavc_param_inter_matrix)
 390     {
 391         char *tmp;
 392
 393         lavc_venc_context->inter_matrix =
 394             malloc(sizeof(*lavc_venc_context->inter_matrix)*64);
 395
 396         i = 0;
 397         while ((tmp = strsep(&lavc_param_inter_matrix, ",")) && (i < 64))
 398         {
 399             if (!tmp || (tmp && !strlen(tmp)))
 400                 break;
 401             lavc_venc_context->inter_matrix[i++] = atoi(tmp);
 402         }
 403
 404         if (i != 64)
 405         {
 406             free(lavc_venc_context->inter_matrix);
 407             lavc_venc_context->inter_matrix = NULL;
 408         }
 409         else
 410             mp_msg(MSGT_MENCODER, MSGL_V, "Using user specified inter matrix\n");
 411     }
 412 #endif
 413
 414     p= lavc_param_rc_override_string;
 415     for(i=0; p; i++){
 416         int start, end, q;
 417         int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
 418         if(e!=3){
 419             mp_msg(MSGT_MENCODER,MSGL_ERR,"error parsing vrc_q\n");
 420             return 0;
 421         }
 422         lavc_venc_context->rc_override=
 423             realloc(lavc_venc_context->rc_override, sizeof(RcOverride)*(i+1));
 424         lavc_venc_context->rc_override[i].start_frame= start;
 425         lavc_venc_context->rc_override[i].end_frame  = end;
 426         if(q>0){
 427             lavc_venc_context->rc_override[i].qscale= q;
 428             lavc_venc_context->rc_override[i].quality_factor= 1.0;
 429         }
 430         else{
 431             lavc_venc_context->rc_override[i].qscale= 0;
 432             lavc_venc_context->rc_override[i].quality_factor= -q/100.0;
 433         }
 434         p= strchr(p, '/');
 435         if(p) p++;
 436     }
 437     lavc_venc_context->rc_override_count=i;
 438
 439     lavc_venc_context->mpeg_quant=lavc_param_mpeg_quant;
 440
 441     lavc_venc_context->dct_algo= lavc_param_fdct;
 442     lavc_venc_context->idct_algo= lavc_param_idct;
 443
 444     lavc_venc_context->lumi_masking= lavc_param_lumi_masking;
 445     lavc_venc_context->temporal_cplx_masking= lavc_param_temporal_cplx_masking;
 446     lavc_venc_context->spatial_cplx_masking= lavc_param_spatial_cplx_masking;
 447     lavc_venc_context->p_masking= lavc_param_p_masking;
 448     lavc_venc_context->dark_masking= lavc_param_dark_masking;
 449
 450     if (lavc_param_aspect != NULL)
 451     {
 452         int par_width, par_height, e;
 453         float ratio=0;
 454
 455         e= sscanf (lavc_param_aspect, "%d/%d", &par_width, &par_height);
 456         if(e==2){
 457             if(par_height)
 458                 ratio= (float)par_width / (float)par_height;
 459         }else{
 460             e= sscanf (lavc_param_aspect, "%f", &ratio);
 461         }
 462
 463         if (e && ratio > 0.1 && ratio < 10.0) {
 464 #if LIBAVCODEC_BUILD >= 4687
 465             lavc_venc_context->sample_aspect_ratio= av_d2q(ratio * height / width, 255);
 466             mp_dbg(MSGT_MENCODER, MSGL_DBG2, "sample_aspect_ratio: %d/%d\n",
 467                 lavc_venc_context->sample_aspect_ratio.num,
 468                 lavc_venc_context->sample_aspect_ratio.den);
 469 #else
 470             lavc_venc_context->aspect_ratio= ratio;
 471 #endif
 472             mp_dbg(MSGT_MENCODER, MSGL_DBG2, "aspect_ratio: %f\n", ratio);
 473         } else {
 474             mp_dbg(MSGT_MENCODER, MSGL_ERR, "aspect ratio: cannot parse \"%s\"\n", lavc_param_aspect);
 475             return 0;
 476         }
 477     }
 478     else if (lavc_param_autoaspect)
 479 #if LIBAVCODEC_BUILD >= 4687
 480         lavc_venc_context->sample_aspect_ratio = av_d2q((float)d_width/d_height*height / width, 255);
 481 #else
 482         lavc_venc_context->aspect_ratio = (float)d_width/d_height;
 483 #endif
 484
 485     /* keyframe interval */
 486     if (lavc_param_keyint >= 0) /* != -1 */
 487         lavc_venc_context->gop_size = lavc_param_keyint;
 488     else
 489         lavc_venc_context->gop_size = 250; /* default */
 490
 491     lavc_venc_context->flags = 0;
 492     if (lavc_param_mb_decision)
 493     {
 494         printf("High quality encoding selected (non real time)!\n");
 495 #if LIBAVCODEC_BUILD < 4673
 496         lavc_venc_context->flags = CODEC_FLAG_HQ;
 497 #else
 498         lavc_venc_context->mb_decision= lavc_param_mb_decision;
 499 #endif
 500     }
 501
 502 #if LIBAVCODEC_BUILD >= 4647
 503     lavc_venc_context->me_cmp= lavc_param_me_cmp;
 504     lavc_venc_context->me_sub_cmp= lavc_param_me_sub_cmp;
 505     lavc_venc_context->mb_cmp= lavc_param_mb_cmp;
 506     lavc_venc_context->dia_size= lavc_param_dia_size;
 507     lavc_venc_context->flags|= lavc_param_qpel;
 508 #endif
 509 #if LIBAVCODEC_BUILD >= 4648
 510     lavc_venc_context->flags|= lavc_param_trell;
 511 #endif
 512     lavc_venc_context->flags|= lavc_param_aic;
 513     lavc_venc_context->flags|= lavc_param_umv;
 514     lavc_venc_context->flags|= lavc_param_v4mv ? CODEC_FLAG_4MV : 0;
 515     lavc_venc_context->flags|= lavc_param_data_partitioning;
 516     lavc_venc_context->flags|= lavc_param_cbp;
 517     lavc_venc_context->flags|= lavc_param_mv0;
 518     lavc_venc_context->flags|= lavc_param_qp_rd;
 519     if(lavc_param_gray) lavc_venc_context->flags|= CODEC_FLAG_GRAY;
 520
 521     if(lavc_param_normalize_aqp) lavc_venc_context->flags|= CODEC_FLAG_NORMALIZE_AQP;
 522     if(lavc_param_interlaced_dct) lavc_venc_context->flags|= CODEC_FLAG_INTERLACED_DCT;
 523 #if LIBAVCODEC_BUILD >= 4643
 524     lavc_venc_context->flags|= lavc_param_psnr;
 525 #endif
 526     lavc_venc_context->prediction_method= lavc_param_prediction_method;
 527     switch(lavc_param_format)
 528     {
 529         case IMGFMT_YV12:
 530             lavc_venc_context->pix_fmt = PIX_FMT_YUV420P;
 531             break;
 532         case IMGFMT_422P:
 533             lavc_venc_context->pix_fmt = PIX_FMT_YUV422P;
 534             break;
 535         case IMGFMT_444P:
 536             lavc_venc_context->pix_fmt = PIX_FMT_YUV444P;
 537             break;
 538         case IMGFMT_411P:
 539             lavc_venc_context->pix_fmt = PIX_FMT_YUV411P;
 540             break;
 541         case IMGFMT_YVU9:
 542             lavc_venc_context->pix_fmt = PIX_FMT_YUV410P;
 543             break;
 544         case IMGFMT_BGR32:
 545             lavc_venc_context->pix_fmt = PIX_FMT_RGBA32;
 546             break;
 547         default:
 548             mp_msg(MSGT_MENCODER,MSGL_ERR,"%s is not a supported format\n", vo_format_name(lavc_param_format));
 549             return 0;
 550     }
 551
 552     if(!stats_file) {
 553     /* lavc internal 2pass bitrate control */
 554     switch(lavc_param_vpass){
 555     case 1:
 556         lavc_venc_context->flags|= CODEC_FLAG_PASS1;
 557         stats_file= fopen(passtmpfile, "wb");
 558         if(stats_file==NULL){
 559             mp_msg(MSGT_MENCODER,MSGL_ERR,"2pass failed: filename=%s\n", passtmpfile);
 560             return 0;
 561         }
 562         break;
 563     case 2:
 564         lavc_venc_context->flags|= CODEC_FLAG_PASS2;
 565         stats_file= fopen(passtmpfile, "rb");
 566         if(stats_file==NULL){
 567             mp_msg(MSGT_MENCODER,MSGL_ERR,"2pass failed: filename=%s\n", passtmpfile);
 568             return 0;
 569         }
 570         fseek(stats_file, 0, SEEK_END);
 571         size= ftell(stats_file);
 572         fseek(stats_file, 0, SEEK_SET);
 573
 574         lavc_venc_context->stats_in= malloc(size + 1);
 575         lavc_venc_context->stats_in[size]=0;
 576
 577         if(fread(lavc_venc_context->stats_in, size, 1, stats_file)<1){
 578             mp_msg(MSGT_MENCODER,MSGL_ERR,"2pass failed: reading from filename=%s\n", passtmpfile);
 579             return 0;
 580         }
 581         break;
 582     }
 583     }
 584
 585     lavc_venc_context->me_method = ME_ZERO+lavc_param_vme;
 586
 587     /* fixed qscale :p */
 588     if (lavc_param_vqscale)
 589     {
 590         printf("Using constant qscale = %f (VBR)\n", lavc_param_vqscale);
 591         lavc_venc_context->flags |= CODEC_FLAG_QSCALE;
 592 #if LIBAVCODEC_BUILD >= 4668
 593         lavc_venc_context->global_quality=
 594 #endif
 595         vf->priv->pic->quality = (int)(FF_QP2LAMBDA * lavc_param_vqscale + 0.5);
 596     }
 597
 598     if (avcodec_open(lavc_venc_context, vf->priv->codec) != 0) {
 599         mp_msg(MSGT_MENCODER,MSGL_ERR,MSGTR_CantOpenCodec);
 600         return 0;
 601     }
 602
 603     if (lavc_venc_context->codec->encode == NULL) {
 604         mp_msg(MSGT_MENCODER,MSGL_ERR,"avcodec init failed (ctx->codec->encode == NULL)!\n");
 605         return 0;
 606     }
 607
 608     /* free second pass buffer, its not needed anymore */
 609     if(lavc_venc_context->stats_in) free(lavc_venc_context->stats_in);
 610     lavc_venc_context->stats_in= NULL;
 611     if(lavc_venc_context->bits_per_sample)
 612         mux_v->bih->biBitCount= lavc_venc_context->bits_per_sample;
 613     if(lavc_venc_context->extradata_size){
 614         memcpy(mux_v->bih + 1, lavc_venc_context->extradata, lavc_venc_context->extradata_size);
 615         mux_v->bih->biSize= sizeof(BITMAPINFOHEADER) + lavc_venc_context->extradata_size;
 616     }
 617
 618     return 1;
 619 }
 620
 621 static int control(struct vf_instance_s* vf, int request, void* data){
 622
 623     return CONTROL_UNKNOWN;
 624 }
 625
 626 static int query_format(struct vf_instance_s* vf, unsigned int fmt){
 627     switch(fmt){
 628     case IMGFMT_YV12:
 629     case IMGFMT_IYUV:
 630     case IMGFMT_I420:
 631         if(lavc_param_format == IMGFMT_YV12)
 632             return VFCAP_CSP_SUPPORTED | VFCAP_ACCEPT_STRIDE;
 633         break;
 634     case IMGFMT_411P:
 635         if(lavc_param_format == IMGFMT_411P)
 636             return VFCAP_CSP_SUPPORTED | VFCAP_ACCEPT_STRIDE;
 637         break;
 638     case IMGFMT_422P:
 639         if(lavc_param_format == IMGFMT_422P)
 640             return VFCAP_CSP_SUPPORTED | VFCAP_ACCEPT_STRIDE;
 641         break;
 642     case IMGFMT_444P:
 643         if(lavc_param_format == IMGFMT_444P)
 644             return VFCAP_CSP_SUPPORTED | VFCAP_ACCEPT_STRIDE;
 645         break;
 646     case IMGFMT_YVU9:
 647         if(lavc_param_format == IMGFMT_YVU9)
 648             return VFCAP_CSP_SUPPORTED | VFCAP_ACCEPT_STRIDE;
 649         break;
 650     case IMGFMT_BGR32:
 651         if(lavc_param_format == IMGFMT_BGR32)
 652             return VFCAP_CSP_SUPPORTED | VFCAP_ACCEPT_STRIDE;
 653         break;
 654     }
 655     return 0;
 656 }
 657
 658 static double psnr(double d){
 659     if(d==0) return INFINITY;
 660     return -10.0*log(d)/log(10);
 661 }
 662
 663 static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
 664     const char pict_type_char[5]= {'?', 'I', 'P', 'B', 'S'};
 665     int out_size;
 666     AVFrame *pic= vf->priv->pic;
 667
 668     pic->data[0]=mpi->planes[0];
 669     pic->data[1]=mpi->planes[1];
 670     pic->data[2]=mpi->planes[2];
 671     pic->linesize[0]=mpi->stride[0];
 672     pic->linesize[1]=mpi->stride[1];
 673     pic->linesize[2]=mpi->stride[2];
 674
 675         out_size = avcodec_encode_video(lavc_venc_context, mux_v->buffer, mux_v->buffer_size,
 676             pic);
 677
 678
 679     muxer_write_chunk(mux_v,out_size,lavc_venc_context->coded_frame->key_frame?0x10:0);
 680
 681 #if LIBAVCODEC_BUILD >= 4643
 682     /* store psnr / pict size / type / qscale */
 683     if(lavc_param_psnr){
 684         static FILE *fvstats=NULL;
 685         char filename[20];
 686         static long long int all_len=0;
 687         static int frame_number=0;
 688         static double all_frametime=0.0;
 689         AVFrame *pic= lavc_venc_context->coded_frame;
 690         double f= lavc_venc_context->width*lavc_venc_context->height*255.0*255.0;
 691         double quality=0.0;
 692         int8_t *q;
 693
 694         if(!fvstats) {
 695             time_t today2;
 696             struct tm *today;
 697             today2 = time(NULL);
 698             today = localtime(&today2);
 699             sprintf(filename, "psnr_%02d%02d%02d.log", today->tm_hour,
 700                 today->tm_min, today->tm_sec);
 701             fvstats = fopen(filename,"w");
 702             if(!fvstats) {
 703                 perror("fopen");
 704                 lavc_param_psnr=0; // disable block
 705                 /*exit(1);*/
 706             }
 707         }
 708
 709         // average MB quantizer
 710         q = lavc_venc_context->coded_frame->qscale_table;
 711         if(q) {
 712             int x, y;
 713             int w = (lavc_venc_context->width+15) >> 4;
 714             int h = (lavc_venc_context->height+15) >> 4;
 715             for( y = 0; y < h; y++ ) {
 716                 for( x = 0; x < w; x++ )
 717                     quality += (double)*(q+x);
 718                 q += lavc_venc_context->coded_frame->qstride;
 719             }
 720             quality /= w * h;
 721         } else
 722             quality = lavc_venc_context->coded_frame->quality / (float)FF_QP2LAMBDA;
 723
 724         fprintf(fvstats, "%6d, %2.2f, %6d, %2.2f, %2.2f, %2.2f, %2.2f %c\n",
 725             lavc_venc_context->coded_frame->coded_picture_number,
 726             quality,
 727             out_size,
 728             psnr(lavc_venc_context->coded_frame->error[0]/f),
 729             psnr(lavc_venc_context->coded_frame->error[1]*4/f),
 730             psnr(lavc_venc_context->coded_frame->error[2]*4/f),
 731             psnr((lavc_venc_context->coded_frame->error[0]+lavc_venc_context->coded_frame->error[1]+lavc_venc_context->coded_frame->error[2])/(f*1.5)),
 732             pict_type_char[lavc_venc_context->coded_frame->pict_type]
 733             );
 734     }
 735 #endif
 736     /* store stats if there are any */
 737     if(lavc_venc_context->stats_out && stats_file)
 738         fprintf(stats_file, "%s", lavc_venc_context->stats_out);
 739     return 1;
 740 }
 741
 742 static void uninit(struct vf_instance_s* vf){
 743     const char pict_type_char[5]= {'?', 'I', 'P', 'B', 'S'};
 744
 745 #if LIBAVCODEC_BUILD >= 4643
 746     if(lavc_param_psnr){
 747         double f= lavc_venc_context->width*lavc_venc_context->height*255.0*255.0;
 748         f*= lavc_venc_context->coded_frame->coded_picture_number;
 749
 750         printf("PSNR: Y:%2.2f, Cb:%2.2f, Cr:%2.2f, All:%2.2f\n",
 751             psnr(lavc_venc_context->error[0]/f),
 752             psnr(lavc_venc_context->error[1]*4/f),
 753             psnr(lavc_venc_context->error[2]*4/f),
 754             psnr((lavc_venc_context->error[0]+lavc_venc_context->error[1]+lavc_venc_context->error[2])/(f*1.5))
 755             );
 756     }
 757 #endif
 758
 759 #if LIBAVCODEC_BUILD >= 4675
 760     if (lavc_venc_context->intra_matrix)
 761         free(lavc_venc_context->intra_matrix);
 762     lavc_venc_context->intra_matrix = NULL;
 763     if (lavc_venc_context->inter_matrix)
 764         free(lavc_venc_context->inter_matrix);
 765     lavc_venc_context->inter_matrix = NULL;
 766 #endif
 767
 768     avcodec_close(lavc_venc_context);
 769
 770     if(stats_file) fclose(stats_file);
 771
 772     /* free rc_override */
 773     if(lavc_venc_context->rc_override) free(lavc_venc_context->rc_override);
 774     lavc_venc_context->rc_override= NULL;
 775
 776     if(vf->priv->context) free(vf->priv->context);
 777     vf->priv->context= NULL;
 778 }
 779
 780 //===========================================================================//
 781
 782 static int vf_open(vf_instance_t *vf, char* args){
 783     vf->uninit=uninit;
 784     vf->config=config;
 785     vf->control=control;
 786     vf->query_format=query_format;
 787     vf->put_image=put_image;
 788     vf->priv=malloc(sizeof(struct vf_priv_s));
 789     memset(vf->priv,0,sizeof(struct vf_priv_s));
 790     vf->priv->mux=(muxer_stream_t*)args;
 791
 792     /* XXX: hack: some of the MJPEG decoder DLL's needs exported huffman
 793        table, so we define a zero-table, also lavc mjpeg encoder is putting
 794        huffman tables into the stream, so no problem */
 795     if (lavc_param_vcodec && !strcasecmp(lavc_param_vcodec, "mjpeg"))
 796     {
 797         mux_v->bih=malloc(sizeof(BITMAPINFOHEADER)+28);
 798         memset(mux_v->bih, 0, sizeof(BITMAPINFOHEADER)+28);
 799         mux_v->bih->biSize=sizeof(BITMAPINFOHEADER)+28;
 800     }
 801     else if (lavc_param_vcodec && !strcasecmp(lavc_param_vcodec, "huffyuv"))
 802     {
 803     /* XXX: hack: huffyuv needs to store huffman tables (allthough we dunno the size yet ...) */
 804         mux_v->bih=malloc(sizeof(BITMAPINFOHEADER)+1000);
 805         memset(mux_v->bih, 0, sizeof(BITMAPINFOHEADER)+1000);
 806         mux_v->bih->biSize=sizeof(BITMAPINFOHEADER)+1000;
 807     }
 808     else if (lavc_param_vcodec && !strcasecmp(lavc_param_vcodec, "asv1"))
 809     {
 810         mux_v->bih=malloc(sizeof(BITMAPINFOHEADER)+8);
 811         memset(mux_v->bih, 0, sizeof(BITMAPINFOHEADER)+8);
 812         mux_v->bih->biSize=sizeof(BITMAPINFOHEADER)+8;
 813     }
 814     else if (lavc_param_vcodec && !strcasecmp(lavc_param_vcodec, "asv2"))
 815     {
 816         mux_v->bih=malloc(sizeof(BITMAPINFOHEADER)+8);
 817         memset(mux_v->bih, 0, sizeof(BITMAPINFOHEADER)+8);
 818         mux_v->bih->biSize=sizeof(BITMAPINFOHEADER)+8;
 819     }
 820     else if (lavc_param_vcodec && !strcasecmp(lavc_param_vcodec, "wmv2"))
 821     {
 822         mux_v->bih=malloc(sizeof(BITMAPINFOHEADER)+4);
 823         memset(mux_v->bih, 0, sizeof(BITMAPINFOHEADER)+4);
 824         mux_v->bih->biSize=sizeof(BITMAPINFOHEADER)+4;
 825     }
 826     else
 827     {
 828         mux_v->bih=malloc(sizeof(BITMAPINFOHEADER));
 829         memset(mux_v->bih, 0, sizeof(BITMAPINFOHEADER));
 830         mux_v->bih->biSize=sizeof(BITMAPINFOHEADER);
 831     }
 832     mux_v->bih->biWidth=0;
 833     mux_v->bih->biHeight=0;
 834     mux_v->bih->biPlanes=1;
 835     mux_v->bih->biBitCount=24;
 836     if (!lavc_param_vcodec)
 837     {
 838         printf("No libavcodec codec specified! It's required!\n");
 839         return 0;
 840     }
 841
 842     if (!strcasecmp(lavc_param_vcodec, "mpeg1") || !strcasecmp(lavc_param_vcodec, "mpeg1video"))
 843         mux_v->bih->biCompression = mmioFOURCC('m', 'p', 'g', '1');
 844     else if (!strcasecmp(lavc_param_vcodec, "mpeg2") || !strcasecmp(lavc_param_vcodec, "mpeg2video"))
 845         mux_v->bih->biCompression = mmioFOURCC('m', 'p', 'g', '2');
 846     else if (!strcasecmp(lavc_param_vcodec, "h263") || !strcasecmp(lavc_param_vcodec, "h263p"))
 847         mux_v->bih->biCompression = mmioFOURCC('h', '2', '6', '3');
 848     else if (!strcasecmp(lavc_param_vcodec, "rv10"))
 849         mux_v->bih->biCompression = mmioFOURCC('R', 'V', '1', '0');
 850     else if (!strcasecmp(lavc_param_vcodec, "mjpeg"))
 851         mux_v->bih->biCompression = mmioFOURCC('M', 'J', 'P', 'G');
 852     else if (!strcasecmp(lavc_param_vcodec, "ljpeg"))
 853         mux_v->bih->biCompression = mmioFOURCC('L', 'J', 'P', 'G');
 854     else if (!strcasecmp(lavc_param_vcodec, "mpeg4"))
 855         mux_v->bih->biCompression = mmioFOURCC('D', 'I', 'V', 'X');
 856     else if (!strcasecmp(lavc_param_vcodec, "msmpeg4"))
 857         mux_v->bih->biCompression = mmioFOURCC('d', 'i', 'v', '3');
 858     else if (!strcasecmp(lavc_param_vcodec, "msmpeg4v2"))
 859         mux_v->bih->biCompression = mmioFOURCC('M', 'P', '4', '2');
 860     else if (!strcasecmp(lavc_param_vcodec, "wmv1"))
 861         mux_v->bih->biCompression = mmioFOURCC('W', 'M', 'V', '1');
 862     else if (!strcasecmp(lavc_param_vcodec, "wmv2"))
 863         mux_v->bih->biCompression = mmioFOURCC('W', 'M', 'V', '2');
 864     else if (!strcasecmp(lavc_param_vcodec, "huffyuv"))
 865         mux_v->bih->biCompression = mmioFOURCC('H', 'F', 'Y', 'U');
 866     else if (!strcasecmp(lavc_param_vcodec, "asv1"))
 867         mux_v->bih->biCompression = mmioFOURCC('A', 'S', 'V', '1');
 868     else if (!strcasecmp(lavc_param_vcodec, "asv2"))
 869         mux_v->bih->biCompression = mmioFOURCC('A', 'S', 'V', '2');
 870     else if (!strcasecmp(lavc_param_vcodec, "ffv1"))
 871         mux_v->bih->biCompression = mmioFOURCC('F', 'F', 'V', '1');
 872     else
 873         mux_v->bih->biCompression = mmioFOURCC(lavc_param_vcodec[0],
 874                 lavc_param_vcodec[1], lavc_param_vcodec[2], lavc_param_vcodec[3]); /* FIXME!!! */
 875
 876     if (!avcodec_inited){
 877         avcodec_init();
 878         avcodec_register_all();
 879         avcodec_inited=1;
 880     }
 881
 882     vf->priv->codec = (AVCodec *)avcodec_find_encoder_by_name(lavc_param_vcodec);
 883     if (!vf->priv->codec) {
 884         mp_msg(MSGT_MENCODER,MSGL_ERR,MSGTR_MissingLAVCcodec, lavc_param_vcodec);
 885         return 0;
 886     }
 887
 888 #if LIBAVCODEC_BUILD >= 4645
 889     vf->priv->pic = avcodec_alloc_frame();
 890 #else
 891     vf->priv->pic = avcodec_alloc_picture();
 892 #endif
 893     vf->priv->context = avcodec_alloc_context();
 894
 895     return 1;
 896 }
 897
 898 vf_info_t ve_info_lavc = {
 899     "libavcodec encoder",
 900     "lavc",
 901     "A'rpi, Alex, Michael",
 902     "for internal use by mencoder",
 903     vf_open
 904 };
 905
 906 //===========================================================================//
 907 #endif