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/*
 * This file is part of MPlayer.
 *
 * MPlayer 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.
 *
 * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <limits.h>
#include <time.h>
#include <assert.h>

#if !defined(INFINITY) && defined(HUGE_VAL)
#define INFINITY HUGE_VAL
#endif

#include "config.h"

#include "mp_msg.h"
#include "av_opts.h"
#include "osdep/strsep.h"

#include "codec-cfg.h"
#include "stream/stream.h"
#include "libmpdemux/demuxer.h"
#include "libmpdemux/stheader.h"

#include "libmpdemux/muxer.h"

#include "img_format.h"
#include "fmt-conversion.h"
#include "mp_image.h"
#include "vf.h"
#include "vd_ffmpeg.h"

extern char* passtmpfile;

//===========================================================================//

#include "libavcodec/avcodec.h"


/* video options */
static char *lavc_param_vcodec = "mpeg4";
static int lavc_param_vbitrate = -1;
static int lavc_param_vrate_tolerance = 1000*8;
static int lavc_param_mb_decision = 0; /* default is realtime encoding */
static int lavc_param_v4mv = 0;
static int lavc_param_vme = 4;
static float lavc_param_vqscale = -1;
static int lavc_param_vqmin = 2;
static int lavc_param_vqmax = 31;
static int lavc_param_mb_qmin = 2;
static int lavc_param_mb_qmax = 31;
static float lavc_param_lmin = 2;
static float lavc_param_lmax = 31;
static float lavc_param_mb_lmin = 2;
static float lavc_param_mb_lmax = 31;
static int lavc_param_vqdiff = 3;
static float lavc_param_vqcompress = 0.5;
static float lavc_param_vqblur = 0.5;
static float lavc_param_vb_qfactor = 1.25;
static float lavc_param_vb_qoffset = 1.25;
static float lavc_param_vi_qfactor = 0.8;
static float lavc_param_vi_qoffset = 0.0;
static int lavc_param_vmax_b_frames = 0;
static int lavc_param_keyint = -1;
static int lavc_param_vpass = 0;
static int lavc_param_vrc_strategy = 0;
static int lavc_param_vb_strategy = 0;
static int lavc_param_luma_elim_threshold = 0;
static int lavc_param_chroma_elim_threshold = 0;
static int lavc_param_packet_size= 0;
static int lavc_param_strict= -1;
static int lavc_param_data_partitioning= 0;
static int lavc_param_gray=0;
static float lavc_param_rc_qsquish=1.0;
static float lavc_param_rc_qmod_amp=0;
static int lavc_param_rc_qmod_freq=0;
static char *lavc_param_rc_override_string=NULL;
static char *lavc_param_rc_eq="tex^qComp";
static int lavc_param_rc_buffer_size=0;
static float lavc_param_rc_buffer_aggressivity=1.0;
static int lavc_param_rc_max_rate=0;
static int lavc_param_rc_min_rate=0;
static float lavc_param_rc_initial_cplx=0;
static float lavc_param_rc_initial_buffer_occupancy=0.9;
static int lavc_param_mpeg_quant=0;
static int lavc_param_fdct=0;
static int lavc_param_idct=0;
static char* lavc_param_aspect = NULL;
static int lavc_param_autoaspect = 0;
static float lavc_param_lumi_masking= 0.0;
static float lavc_param_dark_masking= 0.0;
static float lavc_param_temporal_cplx_masking= 0.0;
static float lavc_param_spatial_cplx_masking= 0.0;
static float lavc_param_p_masking= 0.0;
static float lavc_param_border_masking= 0.0;
static int lavc_param_normalize_aqp= 0;
static int lavc_param_interlaced_dct= 0;
static int lavc_param_prediction_method= FF_PRED_LEFT;
static int lavc_param_format= IMGFMT_YV12;
static int lavc_param_debug= 0;
static int lavc_param_psnr= 0;
static int lavc_param_me_pre_cmp= 0;
static int lavc_param_me_cmp= 0;
static int lavc_param_me_sub_cmp= 0;
static int lavc_param_mb_cmp= 0;
#ifdef FF_CMP_VSAD
static int lavc_param_ildct_cmp= FF_CMP_VSAD;
#endif
static int lavc_param_pre_dia_size= 0;
static int lavc_param_dia_size= 0;
static int lavc_param_qpel= 0;
static int lavc_param_trell= 0;
static int lavc_param_lowdelay= 0;
static int lavc_param_bit_exact = 0;
static int lavc_param_aic= 0;
static int lavc_param_aiv= 0;
static int lavc_param_umv= 0;
static int lavc_param_gmc= 0;
static int lavc_param_obmc= 0;
static int lavc_param_loop= 0;
static int lavc_param_last_pred= 0;
static int lavc_param_pre_me= 1;
static int lavc_param_me_subpel_quality= 8;
static int lavc_param_me_range= 0;
static int lavc_param_ibias= FF_DEFAULT_QUANT_BIAS;
static int lavc_param_pbias= FF_DEFAULT_QUANT_BIAS;
static int lavc_param_coder= 0;
static int lavc_param_context= 0;
static char *lavc_param_intra_matrix = NULL;
static char *lavc_param_inter_matrix = NULL;
static int lavc_param_cbp= 0;
static int lavc_param_mv0= 0;
static int lavc_param_noise_reduction= 0;
static int lavc_param_qns= 0;
static int lavc_param_qp_rd= 0;
static int lavc_param_inter_threshold= 0;
static int lavc_param_sc_threshold= 0;
static int lavc_param_ss= 0;
static int lavc_param_top= -1;
static int lavc_param_alt= 0;
static int lavc_param_ilme= 0;
static int lavc_param_nssew= 8;
static int lavc_param_closed_gop = 0;
static int lavc_param_dc_precision = 8;
static int lavc_param_threads= 1;
static int lavc_param_turbo = 0;
static int lavc_param_skip_threshold=0;
static int lavc_param_skip_factor=0;
static int lavc_param_skip_exp=0;
static int lavc_param_skip_cmp=0;
static int lavc_param_brd_scale = 0;
static int lavc_param_bidir_refine = 0;
static int lavc_param_sc_factor = 1;
static int lavc_param_video_global_header= 0;
static int lavc_param_mv0_threshold = 256;
static int lavc_param_refs = 1;
static int lavc_param_b_sensitivity = 40;
static int lavc_param_level = FF_LEVEL_UNKNOWN;

char *lavc_param_acodec = "mp2";
int lavc_param_atag = 0;
int lavc_param_abitrate = 224;
int lavc_param_audio_global_header= 0;
static char *lavc_param_avopt = NULL;

#include "m_option.h"

const m_option_t lavcopts_conf[]={
	{"acodec", &lavc_param_acodec, CONF_TYPE_STRING, 0, 0, 0, NULL},
	{"abitrate", &lavc_param_abitrate, CONF_TYPE_INT, CONF_RANGE, 1, 1000000, NULL},
	{"atag", &lavc_param_atag, CONF_TYPE_INT, CONF_RANGE, 0, 0xffff, NULL},
	{"vcodec", &lavc_param_vcodec, CONF_TYPE_STRING, 0, 0, 0, NULL},
	{"vbitrate", &lavc_param_vbitrate, CONF_TYPE_INT, CONF_RANGE, 4, 24000000, NULL},
	{"vratetol", &lavc_param_vrate_tolerance, CONF_TYPE_INT, CONF_RANGE, 4, 24000000, NULL},
	{"vhq", &lavc_param_mb_decision, CONF_TYPE_FLAG, 0, 0, 1, NULL},
	{"mbd", &lavc_param_mb_decision, CONF_TYPE_INT, CONF_RANGE, 0, 9, NULL},
	{"v4mv", &lavc_param_v4mv, CONF_TYPE_FLAG, 0, 0, 1, NULL},
	{"vme", &lavc_param_vme, CONF_TYPE_INT, CONF_RANGE, 0, 8, NULL},
	{"vqscale", &lavc_param_vqscale, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 255.0, NULL},
	{"vqmin", &lavc_param_vqmin, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
	{"vqmax", &lavc_param_vqmax, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
	{"mbqmin", &lavc_param_mb_qmin, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
	{"mbqmax", &lavc_param_mb_qmax, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
	{"lmin", &lavc_param_lmin, CONF_TYPE_FLOAT, CONF_RANGE, 0.01, 255.0, NULL},
	{"lmax", &lavc_param_lmax, CONF_TYPE_FLOAT, CONF_RANGE, 0.01, 255.0, NULL},
	{"mblmin", &lavc_param_mb_lmin, CONF_TYPE_FLOAT, CONF_RANGE, 0.01, 255.0, NULL},
	{"mblmax", &lavc_param_mb_lmax, CONF_TYPE_FLOAT, CONF_RANGE, 0.01, 255.0, NULL},
	{"vqdiff", &lavc_param_vqdiff, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
	{"vqcomp", &lavc_param_vqcompress, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 1.0, NULL},
	{"vqblur", &lavc_param_vqblur, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 1.0, NULL},
	{"vb_qfactor", &lavc_param_vb_qfactor, CONF_TYPE_FLOAT, CONF_RANGE, -31.0, 31.0, NULL},
	{"vmax_b_frames", &lavc_param_vmax_b_frames, CONF_TYPE_INT, CONF_RANGE, 0, FF_MAX_B_FRAMES, NULL},
	{"vpass", &lavc_param_vpass, CONF_TYPE_INT, CONF_RANGE, 0, 3, NULL},
	{"vrc_strategy", &lavc_param_vrc_strategy, CONF_TYPE_INT, CONF_RANGE, 0, 2, NULL},
	{"vb_strategy", &lavc_param_vb_strategy, CONF_TYPE_INT, CONF_RANGE, 0, 10, NULL},
	{"vb_qoffset", &lavc_param_vb_qoffset, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 31.0, NULL},
	{"vlelim", &lavc_param_luma_elim_threshold, CONF_TYPE_INT, CONF_RANGE, -99, 99, NULL},
	{"vcelim", &lavc_param_chroma_elim_threshold, CONF_TYPE_INT, CONF_RANGE, -99, 99, NULL},
	{"vpsize", &lavc_param_packet_size, CONF_TYPE_INT, CONF_RANGE, 0, 100000000, NULL},
	{"vstrict", &lavc_param_strict, CONF_TYPE_INT, CONF_RANGE, -99, 99, NULL},
	{"vdpart", &lavc_param_data_partitioning, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_PART, NULL},
	{"keyint", &lavc_param_keyint, CONF_TYPE_INT, 0, 0, 0, NULL},
	{"gray", &lavc_param_gray, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_PART, NULL},
	{"mpeg_quant", &lavc_param_mpeg_quant, CONF_TYPE_FLAG, 0, 0, 1, NULL},
	{"vi_qfactor", &lavc_param_vi_qfactor, CONF_TYPE_FLOAT, CONF_RANGE, -31.0, 31.0, NULL},
	{"vi_qoffset", &lavc_param_vi_qoffset, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 31.0, NULL},
	{"vqsquish", &lavc_param_rc_qsquish, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 99.0, NULL},
	{"vqmod_amp", &lavc_param_rc_qmod_amp, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 99.0, NULL},
	{"vqmod_freq", &lavc_param_rc_qmod_freq, CONF_TYPE_INT, 0, 0, 0, NULL},
	{"vrc_eq", &lavc_param_rc_eq, CONF_TYPE_STRING, 0, 0, 0, NULL},
	{"vrc_override", &lavc_param_rc_override_string, CONF_TYPE_STRING, 0, 0, 0, NULL},
	{"vrc_maxrate", &lavc_param_rc_max_rate, CONF_TYPE_INT, CONF_RANGE, 0, 24000000, NULL},
	{"vrc_minrate", &lavc_param_rc_min_rate, CONF_TYPE_INT, CONF_RANGE, 0, 24000000, NULL},
	{"vrc_buf_size", &lavc_param_rc_buffer_size, CONF_TYPE_INT, CONF_RANGE, 4, 24000000, NULL},
	{"vrc_buf_aggressivity", &lavc_param_rc_buffer_aggressivity, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 99.0, NULL},
	{"vrc_init_cplx", &lavc_param_rc_initial_cplx, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 9999999.0, NULL},
	{"vrc_init_occupancy", &lavc_param_rc_initial_buffer_occupancy, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 1.0, NULL},
        {"vfdct", &lavc_param_fdct, CONF_TYPE_INT, CONF_RANGE, 0, 10, NULL},
	{"aspect", &lavc_param_aspect, CONF_TYPE_STRING, 0, 0, 0, NULL},
	{"autoaspect", &lavc_param_autoaspect, CONF_TYPE_FLAG, 0, 0, 1, NULL},
	{"lumi_mask", &lavc_param_lumi_masking, CONF_TYPE_FLOAT, CONF_RANGE, -1.0, 1.0, NULL},
	{"tcplx_mask", &lavc_param_temporal_cplx_masking, CONF_TYPE_FLOAT, CONF_RANGE, -1.0, 1.0, NULL},
	{"scplx_mask", &lavc_param_spatial_cplx_masking, CONF_TYPE_FLOAT, CONF_RANGE, -1.0, 1.0, NULL},
	{"p_mask", &lavc_param_p_masking, CONF_TYPE_FLOAT, CONF_RANGE, -1.0, 1.0, NULL},
	{"naq", &lavc_param_normalize_aqp, CONF_TYPE_FLAG, 0, 0, 1, NULL},
	{"dark_mask", &lavc_param_dark_masking, CONF_TYPE_FLOAT, CONF_RANGE, -1.0, 1.0, NULL},
	{"ildct", &lavc_param_interlaced_dct, CONF_TYPE_FLAG, 0, 0, 1, NULL},
        {"idct", &lavc_param_idct, CONF_TYPE_INT, CONF_RANGE, 0, 20, NULL},
        {"pred", &lavc_param_prediction_method, CONF_TYPE_INT, CONF_RANGE, 0, 20, NULL},
        {"format", &lavc_param_format, CONF_TYPE_IMGFMT, 0, 0, 0, NULL},
        {"debug", &lavc_param_debug, CONF_TYPE_INT, CONF_RANGE, 0, 100000000, NULL},
        {"psnr", &lavc_param_psnr, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_PSNR, NULL},
        {"precmp", &lavc_param_me_pre_cmp, CONF_TYPE_INT, CONF_RANGE, 0, 2000, NULL},
        {"cmp", &lavc_param_me_cmp, CONF_TYPE_INT, CONF_RANGE, 0, 2000, NULL},
        {"subcmp", &lavc_param_me_sub_cmp, CONF_TYPE_INT, CONF_RANGE, 0, 2000, NULL},
        {"mbcmp", &lavc_param_mb_cmp, CONF_TYPE_INT, CONF_RANGE, 0, 2000, NULL},
        {"skipcmp", &lavc_param_skip_cmp, CONF_TYPE_INT, CONF_RANGE, 0, 2000, NULL},
#ifdef FF_CMP_VSAD
        {"ildctcmp", &lavc_param_ildct_cmp, CONF_TYPE_INT, CONF_RANGE, 0, 2000, NULL},
#endif
        {"bit_exact", &lavc_param_bit_exact, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_BITEXACT, NULL},
        {"predia", &lavc_param_pre_dia_size, CONF_TYPE_INT, CONF_RANGE, -2000, 2000, NULL},
        {"dia", &lavc_param_dia_size, CONF_TYPE_INT, CONF_RANGE, -2000, 2000, NULL},
	{"qpel", &lavc_param_qpel, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_QPEL, NULL},
	{"trell", &lavc_param_trell, CONF_TYPE_FLAG, 0, 0, 1, NULL},
	{"lowdelay", &lavc_param_lowdelay, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_LOW_DELAY, NULL},
	{"last_pred", &lavc_param_last_pred, CONF_TYPE_INT, CONF_RANGE, 0, 2000, NULL},
	{"preme", &lavc_param_pre_me, CONF_TYPE_INT, CONF_RANGE, 0, 2000, NULL},
	{"subq", &lavc_param_me_subpel_quality, CONF_TYPE_INT, CONF_RANGE, 0, 8, NULL},
	{"me_range", &lavc_param_me_range, CONF_TYPE_INT, CONF_RANGE, 0, 16000, NULL},
#ifdef CODEC_FLAG_AC_PRED
	{"aic", &lavc_param_aic, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_AC_PRED, NULL},
	{"umv", &lavc_param_umv, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_H263P_UMV, NULL},
#endif
#ifdef CODEC_FLAG_H263P_AIV
	{"aiv", &lavc_param_aiv, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_H263P_AIV, NULL},
#endif
#ifdef CODEC_FLAG_OBMC
	{"obmc", &lavc_param_obmc, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_OBMC, NULL},
#endif
#ifdef CODEC_FLAG_LOOP_FILTER
	{"loop", &lavc_param_loop, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_LOOP_FILTER, NULL},
#endif
	{"ibias", &lavc_param_ibias, CONF_TYPE_INT, CONF_RANGE, -512, 512, NULL},
	{"pbias", &lavc_param_pbias, CONF_TYPE_INT, CONF_RANGE, -512, 512, NULL},
	{"coder", &lavc_param_coder, CONF_TYPE_INT, CONF_RANGE, 0, 10, NULL},
	{"context", &lavc_param_context, CONF_TYPE_INT, CONF_RANGE, 0, 10, NULL},
	{"intra_matrix", &lavc_param_intra_matrix, CONF_TYPE_STRING, 0, 0, 0, NULL},
	{"inter_matrix", &lavc_param_inter_matrix, CONF_TYPE_STRING, 0, 0, 0, NULL},
	{"cbp", &lavc_param_cbp, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_CBP_RD, NULL},
	{"mv0", &lavc_param_mv0, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_MV0, NULL},
	{"nr", &lavc_param_noise_reduction, CONF_TYPE_INT, CONF_RANGE, 0, 1000000, NULL},
#ifdef CODEC_FLAG_QP_RD
	{"qprd", &lavc_param_qp_rd, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_QP_RD, NULL},
#endif
#ifdef CODEC_FLAG_H263P_SLICE_STRUCT
	{"ss", &lavc_param_ss, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_H263P_SLICE_STRUCT, NULL},
#endif
#ifdef CODEC_FLAG_ALT_SCAN
	{"alt", &lavc_param_alt, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_ALT_SCAN, NULL},
#endif
#ifdef CODEC_FLAG_INTERLACED_ME
	{"ilme", &lavc_param_ilme, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_INTERLACED_ME, NULL},
#endif
#ifdef CODEC_FLAG_CLOSED_GOP
	{"cgop", &lavc_param_closed_gop, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_CLOSED_GOP, NULL},
#endif
#ifdef CODEC_FLAG_GMC
	{"gmc", &lavc_param_gmc, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_GMC, NULL},
#endif
	{"dc", &lavc_param_dc_precision, CONF_TYPE_INT, CONF_RANGE, 8, 11, NULL},
	{"border_mask", &lavc_param_border_masking, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 1.0, NULL},
	{"inter_threshold", &lavc_param_inter_threshold, CONF_TYPE_INT, CONF_RANGE, -1000000, 1000000, NULL},
	{"sc_threshold", &lavc_param_sc_threshold, CONF_TYPE_INT, CONF_RANGE, -1000000000, 1000000000, NULL},
	{"top", &lavc_param_top, CONF_TYPE_INT, CONF_RANGE, -1, 1, NULL},
        {"qns", &lavc_param_qns, CONF_TYPE_INT, CONF_RANGE, 0, 1000000, NULL},
        {"nssew", &lavc_param_nssew, CONF_TYPE_INT, CONF_RANGE, 0, 1000000, NULL},
	{"threads", &lavc_param_threads, CONF_TYPE_INT, CONF_RANGE, 1, 8, NULL},
	{"turbo", &lavc_param_turbo, CONF_TYPE_FLAG, 0, 0, 1, NULL},
        {"skip_threshold", &lavc_param_skip_threshold, CONF_TYPE_INT, CONF_RANGE, 0, 1000000, NULL},
        {"skip_factor", &lavc_param_skip_factor, CONF_TYPE_INT, CONF_RANGE, 0, 1000000, NULL},
        {"skip_exp", &lavc_param_skip_exp, CONF_TYPE_INT, CONF_RANGE, 0, 1000000, NULL},
	{"brd_scale", &lavc_param_brd_scale, CONF_TYPE_INT, CONF_RANGE, 0, 10, NULL},
	{"bidir_refine", &lavc_param_bidir_refine, CONF_TYPE_INT, CONF_RANGE, 0, 4, NULL},
	{"sc_factor", &lavc_param_sc_factor, CONF_TYPE_INT, CONF_RANGE, 1, INT_MAX, NULL},
	{"vglobal", &lavc_param_video_global_header, CONF_TYPE_INT, CONF_RANGE, 0, INT_MAX, NULL},
	{"aglobal", &lavc_param_audio_global_header, CONF_TYPE_INT, CONF_RANGE, 0, INT_MAX, NULL},
	{"mv0_threshold", &lavc_param_mv0_threshold, CONF_TYPE_INT, CONF_RANGE, 0, INT_MAX, NULL},
	{"refs", &lavc_param_refs, CONF_TYPE_INT, CONF_RANGE, 1, 16, NULL},
        {"b_sensitivity", &lavc_param_b_sensitivity, CONF_TYPE_INT, CONF_RANGE, 1, INT_MAX, NULL},
	{"level", &lavc_param_level, CONF_TYPE_INT, CONF_RANGE, INT_MIN, INT_MAX, NULL},
        {"o", &lavc_param_avopt, CONF_TYPE_STRING, 0, 0, 0, NULL},
	{NULL, NULL, 0, 0, 0, 0, NULL}
};

struct vf_priv_s {
    muxer_stream_t* mux;
    AVCodecContext *context;
    AVFrame *pic;
    AVCodec *codec;
    FILE *stats_file;
};

#define stats_file (vf->priv->stats_file)
#define mux_v (vf->priv->mux)
#define lavc_venc_context (vf->priv->context)

static int encode_frame(struct vf_instance *vf, AVFrame *pic, double pts);

static int config(struct vf_instance *vf,
        int width, int height, int d_width, int d_height,
	unsigned int flags, unsigned int outfmt){
    int size, i;
    char *p;

    mux_v->bih->biWidth=width;
    mux_v->bih->biHeight=height;
    mux_v->bih->biSizeImage=mux_v->bih->biWidth*mux_v->bih->biHeight*(mux_v->bih->biBitCount/8);

    mp_msg(MSGT_MENCODER, MSGL_INFO,"videocodec: libavcodec (%dx%d fourcc=%x [%.4s])\n",
	mux_v->bih->biWidth, mux_v->bih->biHeight, mux_v->bih->biCompression,
	    (char *)&mux_v->bih->biCompression);

    lavc_venc_context->width = width;
    lavc_venc_context->height = height;
    if (lavc_param_vbitrate > 16000) /* != -1 */
	lavc_venc_context->bit_rate = lavc_param_vbitrate;
    else if (lavc_param_vbitrate >= 0) /* != -1 */
	lavc_venc_context->bit_rate = lavc_param_vbitrate*1000;
    else
	lavc_venc_context->bit_rate = 800000; /* default */

    mux_v->avg_rate= lavc_venc_context->bit_rate;

    lavc_venc_context->bit_rate_tolerance= lavc_param_vrate_tolerance*1000;
    lavc_venc_context->time_base= (AVRational){mux_v->h.dwScale, mux_v->h.dwRate};
    lavc_venc_context->qmin= lavc_param_vqmin;
    lavc_venc_context->qmax= lavc_param_vqmax;
    lavc_venc_context->mb_qmin= lavc_param_mb_qmin;
    lavc_venc_context->mb_qmax= lavc_param_mb_qmax;
    lavc_venc_context->lmin= (int)(FF_QP2LAMBDA * lavc_param_lmin + 0.5);
    lavc_venc_context->lmax= (int)(FF_QP2LAMBDA * lavc_param_lmax + 0.5);
    lavc_venc_context->mb_lmin= (int)(FF_QP2LAMBDA * lavc_param_mb_lmin + 0.5);
    lavc_venc_context->mb_lmax= (int)(FF_QP2LAMBDA * lavc_param_mb_lmax + 0.5);
    lavc_venc_context->max_qdiff= lavc_param_vqdiff;
    lavc_venc_context->qcompress= lavc_param_vqcompress;
    lavc_venc_context->qblur= lavc_param_vqblur;
    lavc_venc_context->max_b_frames= lavc_param_vmax_b_frames;
    lavc_venc_context->b_quant_factor= lavc_param_vb_qfactor;
    lavc_venc_context->rc_strategy= lavc_param_vrc_strategy;
    lavc_venc_context->b_frame_strategy= lavc_param_vb_strategy;
    lavc_venc_context->b_quant_offset= (int)(FF_QP2LAMBDA * lavc_param_vb_qoffset + 0.5);
    lavc_venc_context->luma_elim_threshold= lavc_param_luma_elim_threshold;
    lavc_venc_context->chroma_elim_threshold= lavc_param_chroma_elim_threshold;
    lavc_venc_context->rtp_payload_size= lavc_param_packet_size;
    lavc_venc_context->strict_std_compliance= lavc_param_strict;
    lavc_venc_context->i_quant_factor= lavc_param_vi_qfactor;
    lavc_venc_context->i_quant_offset= (int)(FF_QP2LAMBDA * lavc_param_vi_qoffset + 0.5);
    lavc_venc_context->rc_qsquish= lavc_param_rc_qsquish;
    lavc_venc_context->rc_qmod_amp= lavc_param_rc_qmod_amp;
    lavc_venc_context->rc_qmod_freq= lavc_param_rc_qmod_freq;
    lavc_venc_context->rc_eq= lavc_param_rc_eq;

    mux_v->max_rate=
    lavc_venc_context->rc_max_rate= lavc_param_rc_max_rate*1000;
    lavc_venc_context->rc_min_rate= lavc_param_rc_min_rate*1000;

    mux_v->vbv_size=
    lavc_venc_context->rc_buffer_size= lavc_param_rc_buffer_size*1000;

    lavc_venc_context->rc_initial_buffer_occupancy=
            lavc_venc_context->rc_buffer_size *
            lavc_param_rc_initial_buffer_occupancy;
    lavc_venc_context->rc_buffer_aggressivity= lavc_param_rc_buffer_aggressivity;
    lavc_venc_context->rc_initial_cplx= lavc_param_rc_initial_cplx;
    lavc_venc_context->debug= lavc_param_debug;
    lavc_venc_context->last_predictor_count= lavc_param_last_pred;
    lavc_venc_context->pre_me= lavc_param_pre_me;
    lavc_venc_context->me_pre_cmp= lavc_param_me_pre_cmp;
    lavc_venc_context->pre_dia_size= lavc_param_pre_dia_size;
    lavc_venc_context->me_subpel_quality= lavc_param_me_subpel_quality;
    lavc_venc_context->me_range= lavc_param_me_range;
    lavc_venc_context->intra_quant_bias= lavc_param_ibias;
    lavc_venc_context->inter_quant_bias= lavc_param_pbias;
    lavc_venc_context->coder_type= lavc_param_coder;
    lavc_venc_context->context_model= lavc_param_context;
    lavc_venc_context->scenechange_threshold= lavc_param_sc_threshold;
    lavc_venc_context->noise_reduction= lavc_param_noise_reduction;
    lavc_venc_context->quantizer_noise_shaping= lavc_param_qns;
    lavc_venc_context->inter_threshold= lavc_param_inter_threshold;
    lavc_venc_context->nsse_weight= lavc_param_nssew;
    lavc_venc_context->frame_skip_threshold= lavc_param_skip_threshold;
    lavc_venc_context->frame_skip_factor= lavc_param_skip_factor;
    lavc_venc_context->frame_skip_exp= lavc_param_skip_exp;
    lavc_venc_context->frame_skip_cmp= lavc_param_skip_cmp;

    if (lavc_param_intra_matrix)
    {
	char *tmp;

	lavc_venc_context->intra_matrix =
	    av_malloc(sizeof(*lavc_venc_context->intra_matrix)*64);

	i = 0;
	while ((tmp = strsep(&lavc_param_intra_matrix, ",")) && (i < 64))
	{
	    if (!tmp || (tmp && !strlen(tmp)))
		break;
	    lavc_venc_context->intra_matrix[i++] = atoi(tmp);
	}

	if (i != 64)
	    av_freep(&lavc_venc_context->intra_matrix);
	else
	    mp_msg(MSGT_MENCODER, MSGL_V, "Using user specified intra matrix\n");
    }
    if (lavc_param_inter_matrix)
    {
	char *tmp;

	lavc_venc_context->inter_matrix =
	    av_malloc(sizeof(*lavc_venc_context->inter_matrix)*64);

	i = 0;
	while ((tmp = strsep(&lavc_param_inter_matrix, ",")) && (i < 64))
	{
	    if (!tmp || (tmp && !strlen(tmp)))
		break;
	    lavc_venc_context->inter_matrix[i++] = atoi(tmp);
	}

	if (i != 64)
	    av_freep(&lavc_venc_context->inter_matrix);
	else
	    mp_msg(MSGT_MENCODER, MSGL_V, "Using user specified inter matrix\n");
    }

    p= lavc_param_rc_override_string;
    for(i=0; p; i++){
        int start, end, q;
        int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
        if(e!=3){
	    mp_msg(MSGT_MENCODER,MSGL_ERR,"error parsing vrc_q\n");
            return 0;
        }
        lavc_venc_context->rc_override=
            realloc(lavc_venc_context->rc_override, sizeof(RcOverride)*(i+1));
        lavc_venc_context->rc_override[i].start_frame= start;
        lavc_venc_context->rc_override[i].end_frame  = end;
        if(q>0){
            lavc_venc_context->rc_override[i].qscale= q;
            lavc_venc_context->rc_override[i].quality_factor= 1.0;
        }
        else{
            lavc_venc_context->rc_override[i].qscale= 0;
            lavc_venc_context->rc_override[i].quality_factor= -q/100.0;
        }
        p= strchr(p, '/');
        if(p) p++;
    }
    lavc_venc_context->rc_override_count=i;

    lavc_venc_context->mpeg_quant=lavc_param_mpeg_quant;

    lavc_venc_context->dct_algo= lavc_param_fdct;
    lavc_venc_context->idct_algo= lavc_param_idct;

    lavc_venc_context->lumi_masking= lavc_param_lumi_masking;
    lavc_venc_context->temporal_cplx_masking= lavc_param_temporal_cplx_masking;
    lavc_venc_context->spa