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mpv/libmpcodecs/ve_xvid4.c
reimar b46fa6a150 Initialized BITMAPINFOHEADER to 0 to avoid problems, esp. windows has problems 
when unused parts have bogus values.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@14550 b3059339-0415-0410-9bf9-f77b7e298cf2
2005-01-20 22:53:37 +00:00

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/*****************************************************************************
*
* - XviD 1.x export module for mplayer/mencoder -
*
* Copyright(C) 2003 Marco Belli <elcabesa@inwind.it>
* 2003-2004 Edouard Gomez <ed.gomez@free.fr>
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
****************************************************************************/
/*****************************************************************************
* Includes
****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <math.h>
#include <limits.h>
#include <time.h>
#include "../config.h"
#include "../mp_msg.h"
#ifdef HAVE_XVID4
#include "codec-cfg.h"
#include "stream.h"
#include "demuxer.h"
#include "stheader.h"
#include "muxer.h"
#include "img_format.h"
#include "mp_image.h"
#include "vf.h"
#include <xvid.h>
#include <stdio.h>
#include <stdarg.h>
#include <limits.h>
#include <assert.h>
#include "m_option.h"
#define XVID_FIRST_PASS_FILENAME "xvid-twopass.stats"
#define FINE (!0)
#define BAD (!FINE)
// Code taken from Libavcodec and ve_lavc.c to handle Aspect Ratio calculation
typedef struct xvid_rational_s{
int num;
int den;
} XVIDRational;
#define MAX(a,b) ((a) > (b) ? (a) : (b))
#define ABS(a) ((a) >= 0 ? (a) : (-(a)))
static int64_t xvid_gcd(int64_t a, int64_t b){
if(b) return xvid_gcd(b, a%b);
else return a;
}
static int xvid_reduce(int *dst_nom, int *dst_den, int64_t nom, int64_t den, int64_t max){
int exact=1, sign=0;
int64_t gcd;
assert(den != 0);
if(den < 0){
den= -den;
nom= -nom;
}
if(nom < 0){
nom= -nom;
sign= 1;
}
gcd = xvid_gcd(nom, den);
nom /= gcd;
den /= gcd;
if(nom > max || den > max){
XVIDRational a0={0,1}, a1={1,0};
exact=0;
for(;;){
int64_t x= nom / den;
int64_t a2n= x*a1.num + a0.num;
int64_t a2d= x*a1.den + a0.den;
if(a2n > max || a2d > max) break;
nom %= den;
a0= a1;
a1= (XVIDRational){a2n, a2d};
if(nom==0) break;
x= nom; nom=den; den=x;
}
nom= a1.num;
den= a1.den;
}
assert(xvid_gcd(nom, den) == 1);
if(sign) nom= -nom;
*dst_nom = nom;
*dst_den = den;
return exact;
}
static XVIDRational xvid_d2q(double d, int max){
XVIDRational a;
int exponent= MAX( (int)(log(ABS(d) + 1e-20)/log(2)), 0);
int64_t den= 1LL << (61 - exponent);
xvid_reduce(&a.num, &a.den, (int64_t)(d * den + 0.5), den, max);
return a;
}
/*****************************************************************************
* Configuration options
****************************************************************************/
static int xvidenc_bitrate = 0;
static int xvidenc_pass = 0;
static float xvidenc_quantizer = 0;
static int xvidenc_packed = 0;
static int xvidenc_closed_gop = 1;
static int xvidenc_interlaced = 0;
static int xvidenc_quarterpel = 0;
static int xvidenc_gmc = 0;
static int xvidenc_trellis = 0;
static int xvidenc_cartoon = 0;
static int xvidenc_hqacpred = 1;
static int xvidenc_chromame = 0;
static int xvidenc_chroma_opt = 0;
static int xvidenc_vhq = 0;
static int xvidenc_bvhq = 0;
static int xvidenc_motion = 6;
static int xvidenc_turbo = 0;
static int xvidenc_stats = 0;
static int xvidenc_max_key_interval = 0; /* Let xvidcore set a 10s interval by default */
static int xvidenc_frame_drop_ratio = 0;
static int xvidenc_greyscale = 0;
static int xvidenc_debug = 0;
static int xvidenc_psnr = 0;
static int xvidenc_max_bframes = 2;
static int xvidenc_bquant_ratio = 150;
static int xvidenc_bquant_offset = 100;
static int xvidenc_bframe_threshold = 0;
static int xvidenc_min_quant[3] = {2, 2, 2};
static int xvidenc_max_quant[3] = {31, 31, 31};
static char *xvidenc_intra_matrix_file = NULL;
static char *xvidenc_inter_matrix_file = NULL;
static char *xvidenc_quant_method = NULL;
static int xvidenc_cbr_reaction_delay_factor = 0;
static int xvidenc_cbr_averaging_period = 0;
static int xvidenc_cbr_buffer = 0;
static int xvidenc_vbr_keyframe_boost = 0;
static int xvidenc_vbr_overflow_control_strength = 5;
static int xvidenc_vbr_curve_compression_high = 0;
static int xvidenc_vbr_curve_compression_low = 0;
static int xvidenc_vbr_max_overflow_improvement = 5;
static int xvidenc_vbr_max_overflow_degradation = 5;
static int xvidenc_vbr_kfreduction = 0;
static int xvidenc_vbr_kfthreshold = 0;
static int xvidenc_vbr_container_frame_overhead = 24; /* mencoder uses AVI container */
static char *xvidenc_par = NULL;
static int xvidenc_par_width = 0;
static int xvidenc_par_height = 0;
static float xvidenc_dar_aspect = 0.0f;
static int xvidenc_autoaspect = 0;
m_option_t xvidencopts_conf[] =
{
/* Standard things mencoder should be able to treat directly */
{"bitrate", &xvidenc_bitrate, CONF_TYPE_INT, 0, 0, 0, NULL},
{"pass", &xvidenc_pass, CONF_TYPE_INT, CONF_RANGE, 1, 2, NULL},
{"fixed_quant", &xvidenc_quantizer, CONF_TYPE_FLOAT, CONF_RANGE, 1, 31, NULL},
/* Features */
{"quant_type", &xvidenc_quant_method, CONF_TYPE_STRING, 0, 0, 0, NULL},
{"me_quality", &xvidenc_motion, CONF_TYPE_INT, CONF_RANGE, 0, 6, NULL},
{"chroma_me", &xvidenc_chromame, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"nochroma_me", &xvidenc_chromame, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"chroma_opt", &xvidenc_chroma_opt, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"nochroma_opt", &xvidenc_chroma_opt, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"vhq", &xvidenc_vhq, CONF_TYPE_INT, CONF_RANGE, 0, 4, NULL},
{"bvhq", &xvidenc_bvhq, CONF_TYPE_INT, CONF_RANGE, 0, 1, NULL},
{"max_bframes", &xvidenc_max_bframes, CONF_TYPE_INT, CONF_RANGE, 0, 20, NULL},
{"bquant_ratio", &xvidenc_bquant_ratio, CONF_TYPE_INT, CONF_RANGE, 0, 200, NULL},
{"bquant_offset", &xvidenc_bquant_offset, CONF_TYPE_INT, CONF_RANGE, 0, 200, NULL},
{"bf_threshold", &xvidenc_bframe_threshold, CONF_TYPE_INT, CONF_RANGE, -255, 255, NULL},
{"qpel", &xvidenc_quarterpel, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"noqpel", &xvidenc_quarterpel, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"gmc", &xvidenc_gmc, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"nogmc", &xvidenc_gmc, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"trellis", &xvidenc_trellis, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"notrellis", &xvidenc_trellis, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"packed", &xvidenc_packed, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"nopacked", &xvidenc_packed, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"closed_gop", &xvidenc_closed_gop, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"noclosed_gop", &xvidenc_closed_gop, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"interlacing", &xvidenc_interlaced, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"nointerlacing", &xvidenc_interlaced, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"cartoon", &xvidenc_cartoon, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"nocartoon", &xvidenc_cartoon, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"hq_ac", &xvidenc_hqacpred, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"nohq_ac", &xvidenc_hqacpred, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"frame_drop_ratio", &xvidenc_frame_drop_ratio, CONF_TYPE_INT, CONF_RANGE, 0, 100, NULL},
{"max_key_interval", &xvidenc_max_key_interval, CONF_TYPE_INT, CONF_MIN, 0, 0, NULL},
{"greyscale", &xvidenc_greyscale, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"nogreyscale", &xvidenc_greyscale, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"turbo", &xvidenc_turbo, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"debug", &xvidenc_debug, CONF_TYPE_INT , 0 ,0,-1,NULL},
{"stats", &xvidenc_stats, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"psnr", &xvidenc_psnr , CONF_TYPE_FLAG, 0, 0, 1, NULL},
/* section [quantizer] */
{"min_iquant", &xvidenc_min_quant[0], CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
{"max_iquant", &xvidenc_max_quant[0], CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
{"min_pquant", &xvidenc_min_quant[1], CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
{"max_pquant", &xvidenc_max_quant[1], CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
{"min_bquant", &xvidenc_min_quant[2], CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
{"max_bquant", &xvidenc_max_quant[2], CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
{"quant_intra_matrix", &xvidenc_intra_matrix_file, CONF_TYPE_STRING, 0, 0, 100, NULL},
{"quant_inter_matrix", &xvidenc_inter_matrix_file, CONF_TYPE_STRING, 0, 0, 100, NULL},
/* section [cbr] */
{"rc_reaction_delay_factor", &xvidenc_cbr_reaction_delay_factor, CONF_TYPE_INT, CONF_RANGE, 0, 100, NULL},
{"rc_averaging_period", &xvidenc_cbr_averaging_period, CONF_TYPE_INT, CONF_MIN, 0, 0, NULL},
{"rc_buffer", &xvidenc_cbr_buffer, CONF_TYPE_INT, CONF_MIN, 0, 0, NULL},
/* section [vbr] */
{"keyframe_boost", &xvidenc_vbr_keyframe_boost, CONF_TYPE_INT, CONF_RANGE, 0, 100, NULL},
{"curve_compression_high", &xvidenc_vbr_curve_compression_high, CONF_TYPE_INT, CONF_RANGE, 0, 100, NULL},
{"curve_compression_low", &xvidenc_vbr_curve_compression_low, CONF_TYPE_INT, CONF_RANGE, 0, 100, NULL},
{"overflow_control_strength", &xvidenc_vbr_overflow_control_strength, CONF_TYPE_INT, CONF_RANGE, 0, 100, NULL},
{"max_overflow_improvement", &xvidenc_vbr_max_overflow_improvement, CONF_TYPE_INT, CONF_RANGE, 0, 100, NULL},
{"max_overflow_degradation", &xvidenc_vbr_max_overflow_degradation, CONF_TYPE_INT, CONF_RANGE, 0, 100, NULL},
{"kfreduction", &xvidenc_vbr_kfreduction, CONF_TYPE_INT, CONF_RANGE, 0, 100, NULL},
{"kfthreshold", &xvidenc_vbr_kfthreshold, CONF_TYPE_INT, CONF_MIN, 0, 0, NULL},
{"container_frame_overhead", &xvidenc_vbr_container_frame_overhead, CONF_TYPE_INT, CONF_MIN, 0, 0, NULL},
/* Section Aspect Ratio */
{"par", &xvidenc_par, CONF_TYPE_STRING, 0, 0, 0, NULL},
{"par_width", &xvidenc_par_width, CONF_TYPE_INT, CONF_RANGE, 0, 255, NULL},
{"par_height", &xvidenc_par_height, CONF_TYPE_INT, CONF_RANGE, 0, 255, NULL},
{"aspect", &xvidenc_dar_aspect, CONF_TYPE_FLOAT, CONF_RANGE, 0.1, 9.99, NULL},
{"autoaspect", &xvidenc_autoaspect, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"noautoaspect", &xvidenc_autoaspect, CONF_TYPE_FLAG, 0, 1, 0, NULL},
/* End of the config array */
{NULL, 0, 0, 0, 0, 0, NULL}
};
/*****************************************************************************
* Module private data
****************************************************************************/
typedef struct _xvid_mplayer_module_t
{
/* Instance related global vars */
void *instance;
xvid_gbl_init_t init;
xvid_enc_create_t create;
xvid_enc_frame_t frame;
xvid_plugin_single_t onepass;
xvid_plugin_2pass1_t pass1;
xvid_plugin_2pass2_t pass2;
/* This data must survive local block scope, so here it is */
xvid_enc_plugin_t plugins[7];
xvid_enc_zone_t zones[1];
/* MPEG4 stream buffer */
muxer_stream_t *mux;
/* Stats accumulators */
int frames;
long long sse_y;
long long sse_u;
long long sse_v;
/* Min & Max PSNR */
int min_sse_y;
int min_sse_u;
int min_sse_v;
int min_framenum;
int max_sse_y;
int max_sse_u;
int max_sse_v;
int max_framenum;
int pixels;
/* DAR/PAR and all that thingies */
int d_width;
int d_height;
FILE *fvstats;
} xvid_mplayer_module_t;
static void dispatch_settings(xvid_mplayer_module_t *mod);
static int set_create_struct(xvid_mplayer_module_t *mod);
static int set_frame_struct(xvid_mplayer_module_t *mod, mp_image_t *mpi);
static void update_stats(xvid_mplayer_module_t *mod, xvid_enc_stats_t *stats);
static void print_stats(xvid_mplayer_module_t *mod);
static void flush_internal_buffers(xvid_mplayer_module_t *mod);
static const char *par_string(int parcode);
static const char *errorstring(int err);
/*****************************************************************************
* Video Filter API function definitions
****************************************************************************/
/*============================================================================
* config
*==========================================================================*/
static int
config(struct vf_instance_s* vf,
int width, int height, int d_width, int d_height,
unsigned int flags, unsigned int outfmt)
{
int err;
xvid_mplayer_module_t *mod = (xvid_mplayer_module_t *)vf->priv;
/* Complete the muxer initialization */
mod->mux->bih->biWidth = width;
mod->mux->bih->biHeight = height;
mod->mux->bih->biSizeImage =
mod->mux->bih->biWidth * mod->mux->bih->biHeight * 3 / 2;
mod->mux->aspect = (float)d_width/d_height;
/* Message the FourCC type */
mp_msg(MSGT_MENCODER, MSGL_INFO,
"videocodec: XviD (%dx%d fourcc=%x [%.4s])\n",
width, height, mod->mux->bih->biCompression,
(char *)&mod->mux->bih->biCompression);
/* Total number of pixels per frame required for PSNR */
mod->pixels = mod->mux->bih->biWidth*mod->mux->bih->biHeight;
/*--------------------------------------------------------------------
* Dispatch all module settings to XviD structures
*------------------------------------------------------------------*/
mod->d_width = d_width;
mod->d_height = d_height;
dispatch_settings(mod);
/*--------------------------------------------------------------------
* Set remaining information in the xvid_enc_create_t structure
*------------------------------------------------------------------*/
if(set_create_struct(mod) == BAD)
return(BAD);
/*--------------------------------------------------------------------
* Encoder instance creation
*------------------------------------------------------------------*/
err = xvid_encore(NULL, XVID_ENC_CREATE, &mod->create, NULL);
if(err<0) {
mp_msg(MSGT_MENCODER, MSGL_ERR,
"xvid: xvidcore returned a '%s' error\n", errorstring(err));
return(BAD);
}
/* Store the encoder instance into the private data */
mod->instance = mod->create.handle;
return(FINE);
}
/*============================================================================
* uninit
*==========================================================================*/
static void
uninit(struct vf_instance_s* vf)
{
xvid_mplayer_module_t *mod = (xvid_mplayer_module_t *)vf->priv;
/* Destroy xvid instance */
xvid_encore(mod->instance, XVID_ENC_DESTROY, NULL, NULL);
/* Display stats (if any) */
print_stats(mod);
/* Close PSNR file if ever opened */
if (mod->fvstats) {
fclose(mod->fvstats);
mod->fvstats = NULL;
}
/* Free allocated memory */
if(mod->frame.quant_intra_matrix)
free(mod->frame.quant_intra_matrix);
if(mod->frame.quant_inter_matrix)
free(mod->frame.quant_inter_matrix);
if(mod->mux->bih)
free(mod->mux->bih);
free(vf->priv);
vf->priv=NULL;
return;
}
/*============================================================================
* control
*==========================================================================*/
static int
control(struct vf_instance_s* vf, int request, void* data)
{
xvid_mplayer_module_t *mod = (xvid_mplayer_module_t *)vf->priv;
switch(request){
case VFCTRL_FLUSH_FRAMES:
if(mod)/*paranoid*/
flush_internal_buffers(mod);
break;
}
return(CONTROL_UNKNOWN);
}
/*============================================================================
* query_format
*==========================================================================*/
static int
query_format(struct vf_instance_s* vf, unsigned int fmt)
{
switch(fmt){
case IMGFMT_YV12:
case IMGFMT_IYUV:
case IMGFMT_I420:
return(VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW);
case IMGFMT_YUY2:
case IMGFMT_UYVY:
return(VFCAP_CSP_SUPPORTED);
}
return(BAD);
}
/*============================================================================
* put_image
*==========================================================================*/
static int
put_image(struct vf_instance_s* vf, mp_image_t *mpi)
{
int size;
xvid_enc_stats_t stats;
xvid_mplayer_module_t *mod = (xvid_mplayer_module_t *)vf->priv;
/* Prepare the stats */
memset(&stats,0,sizeof( xvid_enc_stats_t));
stats.version = XVID_VERSION;
/* -------------------------------------------------------------------
* Set remaining information in the xvid_enc_frame_t structure
* NB: all the other struct members were initialized by
* dispatch_settings
* -----------------------------------------------------------------*/
if(set_frame_struct(mod, mpi) == BAD)
return(BAD);
/* -------------------------------------------------------------------
* Encode the frame
* ---------------------------------------------------------------- */
size = xvid_encore(mod->instance, XVID_ENC_ENCODE, &mod->frame, &stats);
/* Analyse the returned value */
if(size<0) {
mp_msg(MSGT_MENCODER, MSGL_ERR,
"xvid: xvidcore returned a '%s' error\n", errorstring(size));
return(BAD);
}
/* If size is == 0, we're done with that frame */
if(size == 0) return(FINE);
/* xvidcore returns stats about encoded frame in an asynchronous way
* accumulate these stats */
update_stats(mod, &stats);
/* xvidcore outputed bitstream -- mux it */
muxer_write_chunk(mod->mux,
size,
(mod->frame.out_flags & XVID_KEYFRAME)?0x10:0);
return(FINE);
}
/*============================================================================
* vf_open
*==========================================================================*/
static int
vf_open(vf_instance_t *vf, char* args)
{
xvid_mplayer_module_t *mod;
xvid_gbl_init_t xvid_gbl_init;
xvid_gbl_info_t xvid_gbl_info;
/* Setting libmpcodec module API pointers */
vf->config = config;
vf->control = control;
vf->uninit = uninit;
vf->query_format = query_format;
vf->put_image = put_image;
/* Allocate the private part of the codec module */
vf->priv = malloc(sizeof(xvid_mplayer_module_t));
mod = (xvid_mplayer_module_t*)vf->priv;
if(mod == NULL) {
mp_msg(MSGT_MENCODER,MSGL_ERR,
"xvid: memory allocation failure (private data)\n");
return(BAD);
}
/* Initialize the module to zeros */
memset(mod, 0, sizeof(xvid_mplayer_module_t));
mod->min_sse_y = mod->min_sse_u = mod->min_sse_v = INT_MAX;
mod->max_sse_y = mod->max_sse_u = mod->max_sse_v = INT_MIN;
/* Bind the Muxer */
mod->mux = (muxer_stream_t*)args;
/* Initialize muxer BITMAP header */
mod->mux->bih = calloc(1, sizeof(BITMAPINFOHEADER));
if(mod->mux->bih == NULL) {
mp_msg(MSGT_MENCODER,MSGL_ERR,
"xvid: memory allocation failure (BITMAP header)\n");
return(BAD);
}
mod->mux->bih->biSize = sizeof(BITMAPINFOHEADER);
mod->mux->bih->biWidth = 0;
mod->mux->bih->biHeight = 0;
mod->mux->bih->biPlanes = 1;
mod->mux->bih->biBitCount = 12;
mod->mux->bih->biCompression = mmioFOURCC('X','V','I','D');
/* Retrieve information about the host XviD library */
memset(&xvid_gbl_info, 0, sizeof(xvid_gbl_info_t));
xvid_gbl_info.version = XVID_VERSION;
if (xvid_global(NULL, XVID_GBL_INFO, &xvid_gbl_info, NULL) < 0) {
mp_msg(MSGT_MENCODER,MSGL_WARN, "xvid: could not get information about the library\n");
} else {
mp_msg(MSGT_MENCODER,MSGL_INFO, "xvid: using library version %d.%d.%d (build %s)\n",
XVID_VERSION_MAJOR(xvid_gbl_info.actual_version),
XVID_VERSION_MINOR(xvid_gbl_info.actual_version),
XVID_VERSION_PATCH(xvid_gbl_info.actual_version),
xvid_gbl_info.build);
}
/* Initialize the xvid_gbl_init structure */
memset(&xvid_gbl_init, 0, sizeof(xvid_gbl_init_t));
xvid_gbl_init.version = XVID_VERSION;
xvid_gbl_init.debug = xvidenc_debug;
/* Initialize the xvidcore library */
if (xvid_global(NULL, XVID_GBL_INIT, &xvid_gbl_init, NULL) < 0) {
mp_msg(MSGT_MENCODER,MSGL_ERR, "xvid: initialisation failure\n");
return(BAD);
}
return(FINE);
}
/*****************************************************************************
* Helper functions
****************************************************************************/
static void *read_matrix(unsigned char *filename);
static void dispatch_settings(xvid_mplayer_module_t *mod)
{
xvid_enc_create_t *create = &mod->create;
xvid_enc_frame_t *frame = &mod->frame;
xvid_plugin_single_t *onepass = &mod->onepass;
xvid_plugin_2pass2_t *pass2 = &mod->pass2;
XVIDRational ar;
const int motion_presets[7] =
{
0,
0,
0,
0,
XVID_ME_HALFPELREFINE16,
XVID_ME_HALFPELREFINE16 | XVID_ME_ADVANCEDDIAMOND16,
XVID_ME_HALFPELREFINE16 | XVID_ME_EXTSEARCH16 |
XVID_ME_HALFPELREFINE8 | XVID_ME_USESQUARES16
};
/* -------------------------------------------------------------------
* Dispatch all settings having an impact on the "create" structure
* This includes plugins as they are passed to encore through the
* create structure
* -----------------------------------------------------------------*/
/* -------------------------------------------------------------------
* The create structure
* ---------------------------------------------------------------- */
create->global = 0;
if(xvidenc_packed)
create->global |= XVID_GLOBAL_PACKED;
if(xvidenc_closed_gop)
create->global |= XVID_GLOBAL_CLOSED_GOP;
if(xvidenc_psnr)
xvidenc_stats = 1;
if(xvidenc_stats)
create->global |= XVID_GLOBAL_EXTRASTATS_ENABLE;
create->num_zones = 0;
create->zones = NULL;
create->num_plugins = 0;
create->plugins = NULL;
create->num_threads = 0;
create->max_bframes = xvidenc_max_bframes;
create->bquant_ratio = xvidenc_bquant_ratio;
create->bquant_offset = xvidenc_bquant_offset;
create->max_key_interval = xvidenc_max_key_interval;
create->frame_drop_ratio = xvidenc_frame_drop_ratio;
create->min_quant[0] = xvidenc_min_quant[0];
create->min_quant[1] = xvidenc_min_quant[1];
create->min_quant[2] = xvidenc_min_quant[2];
create->max_quant[0] = xvidenc_max_quant[0];
create->max_quant[1] = xvidenc_max_quant[1];
create->max_quant[2] = xvidenc_max_quant[2];
/* -------------------------------------------------------------------
* The single pass plugin
* ---------------------------------------------------------------- */
if (xvidenc_bitrate > 16000) onepass->bitrate = xvidenc_bitrate;
else onepass->bitrate = xvidenc_bitrate*1000;
onepass->reaction_delay_factor = xvidenc_cbr_reaction_delay_factor;
onepass->averaging_period = xvidenc_cbr_averaging_period;
onepass->buffer = xvidenc_cbr_buffer;
/* -------------------------------------------------------------------
* The pass2 plugin
* ---------------------------------------------------------------- */
pass2->keyframe_boost = xvidenc_vbr_keyframe_boost;
pass2->overflow_control_strength = xvidenc_vbr_overflow_control_strength;
pass2->curve_compression_high = xvidenc_vbr_curve_compression_high;
pass2->curve_compression_low = xvidenc_vbr_curve_compression_low;
pass2->max_overflow_improvement = xvidenc_vbr_max_overflow_improvement;
pass2->max_overflow_degradation = xvidenc_vbr_max_overflow_degradation;
pass2->kfreduction = xvidenc_vbr_kfreduction;
pass2->kfthreshold = xvidenc_vbr_kfthreshold;
pass2->container_frame_overhead = xvidenc_vbr_container_frame_overhead;
/* -------------------------------------------------------------------
* The frame structure
* ---------------------------------------------------------------- */
frame->vol_flags = 0;
frame->vop_flags = 0;
frame->motion = 0;
frame->vop_flags |= XVID_VOP_HALFPEL;
frame->motion |= motion_presets[xvidenc_motion];
if(xvidenc_stats)
frame->vol_flags |= XVID_VOL_EXTRASTATS;
if(xvidenc_greyscale)
frame->vop_flags |= XVID_VOP_GREYSCALE;
if(xvidenc_cartoon) {
frame->vop_flags |= XVID_VOP_CARTOON;
frame->motion |= XVID_ME_DETECT_STATIC_MOTION;
}
if(xvidenc_intra_matrix_file != NULL) {
frame->quant_intra_matrix = (unsigned char*)read_matrix(xvidenc_intra_matrix_file);
if(frame->quant_intra_matrix != NULL) {
mp_msg(MSGT_MENCODER, MSGL_INFO, "xvid: Loaded Intra matrix (switching to mpeg quantization type)\n");
if(xvidenc_quant_method) free(xvidenc_quant_method);
xvidenc_quant_method = strdup("mpeg");
}
}
if(xvidenc_inter_matrix_file != NULL) {
frame->quant_inter_matrix = read_matrix(xvidenc_inter_matrix_file);
if(frame->quant_inter_matrix) {
mp_msg(MSGT_MENCODER, MSGL_INFO, "\nxvid: Loaded Inter matrix (switching to mpeg quantization type)\n");
if(xvidenc_quant_method) free(xvidenc_quant_method);
xvidenc_quant_method = strdup("mpeg");
}
}
if(xvidenc_quant_method != NULL && !strcasecmp(xvidenc_quant_method, "mpeg")) {
frame->vol_flags |= XVID_VOL_MPEGQUANT;
}
if(xvidenc_quarterpel) {
frame->vol_flags |= XVID_VOL_QUARTERPEL;
frame->motion |= XVID_ME_QUARTERPELREFINE16;
frame->motion |= XVID_ME_QUARTERPELREFINE8;
}
if(xvidenc_gmc) {
frame->vol_flags |= XVID_VOL_GMC;
frame->motion |= XVID_ME_GME_REFINE;
}
if(xvidenc_interlaced) {
frame->vol_flags |= XVID_VOL_INTERLACING;
}
if(xvidenc_trellis) {
frame->vop_flags |= XVID_VOP_TRELLISQUANT;
}
if(xvidenc_hqacpred) {
frame->vop_flags |= XVID_VOP_HQACPRED;
}
if(xvidenc_chroma_opt) {
frame->vop_flags |= XVID_VOP_CHROMAOPT;
}
if(xvidenc_motion > 4) {
frame->vop_flags |= XVID_VOP_INTER4V;
}
if(xvidenc_chromame) {
frame->motion |= XVID_ME_CHROMA_PVOP;
frame->motion |= XVID_ME_CHROMA_BVOP;
}
if(xvidenc_vhq >= 1) {
frame->vop_flags |= XVID_VOP_MODEDECISION_RD;
}
if(xvidenc_vhq >= 2) {
frame->motion |= XVID_ME_HALFPELREFINE16_RD;
frame->motion |= XVID_ME_QUARTERPELREFINE16_RD;
}
if(xvidenc_vhq >= 3) {
frame->motion |= XVID_ME_HALFPELREFINE8_RD;
frame->motion |= XVID_ME_QUARTERPELREFINE8_RD;
frame->motion |= XVID_ME_CHECKPREDICTION_RD;
}
if(xvidenc_vhq >= 4) {
frame->motion |= XVID_ME_EXTSEARCH_RD;
}
if(xvidenc_bvhq >= 1) {
#if XVID_API >= XVID_MAKE_API(4,1)
frame->vop_flags |= XVID_VOP_RD_BVOP;
#endif
}
if(xvidenc_turbo) {
frame->motion |= XVID_ME_FASTREFINE16;
frame->motion |= XVID_ME_FASTREFINE8;
frame->motion |= XVID_ME_SKIP_DELTASEARCH;
frame->motion |= XVID_ME_FAST_MODEINTERPOLATE;
frame->motion |= XVID_ME_BFRAME_EARLYSTOP;
}
/* motion level == 0 means no motion search which is equivalent to
* intra coding only */
if(xvidenc_motion == 0) {
frame->type = XVID_TYPE_IVOP;
} else {
frame->type = XVID_TYPE_AUTO;
}
frame->bframe_threshold = xvidenc_bframe_threshold;
/* PAR related initialization */
frame->par = XVID_PAR_11_VGA; /* Default */
if(xvidenc_dar_aspect > 0)
ar = xvid_d2q(xvidenc_dar_aspect * mod->mux->bih->biHeight / mod->mux->bih->biWidth, 255);
else if(xvidenc_autoaspect)
ar = xvid_d2q((float)mod->d_width / mod->d_height * mod->mux->bih->biHeight / mod->mux->bih->biWidth, 255);
else ar.num = ar.den = 0;
if(ar.den != 0) {
if(ar.num == 12 && ar.den == 11)
frame->par = XVID_PAR_43_PAL;
else if(ar.num == 10 && ar.den == 11)
frame->par = XVID_PAR_43_NTSC;
else if(ar.num == 16 && ar.den == 11)
frame->par = XVID_PAR_169_PAL;
else if(ar.num == 40 && ar.den == 33)
frame->par = XVID_PAR_169_NTSC;
else
{
frame->par = XVID_PAR_EXT;
frame->par_width = ar.num;
frame->par_height= ar.den;
}
} else if(xvidenc_par != NULL) {
if(strcasecmp(xvidenc_par, "pal43") == 0)
frame->par = XVID_PAR_43_PAL;
else if(strcasecmp(xvidenc_par, "pal169") == 0)
frame->par = XVID_PAR_169_PAL;
else if(strcasecmp(xvidenc_par, "ntsc43") == 0)
frame->par = XVID_PAR_43_NTSC;
else if(strcasecmp(xvidenc_par, "ntsc169") == 0)
frame->par = XVID_PAR_169_NTSC;
else if(strcasecmp(xvidenc_par, "ext") == 0)
frame->par = XVID_PAR_EXT;
if(frame->par == XVID_PAR_EXT) {
if(xvidenc_par_width)
frame->par_width = xvidenc_par_width;
else
frame->par_width = 1;
if(xvidenc_par_height)
frame->par_height = xvidenc_par_height;
else
frame->par_height = 1;
}
}
/* Display par information */
mp_msg(MSGT_MENCODER, MSGL_INFO, "xvid: par=%d/%d (%s), displayed=%dx%d, sampled=%dx%d\n",
ar.num, ar.den, par_string(frame->par),
mod->d_width, mod->d_height, mod->mux->bih->biWidth, mod->mux->bih->biHeight);
return;
}
static int set_create_struct(xvid_mplayer_module_t *mod)
{
int pass;
xvid_enc_create_t *create = &mod->create;
/* Most of the structure is initialized by dispatch settings, only a
* few things are missing */
create->version = XVID_VERSION;
/* Width and Height */
create->width = mod->mux->bih->biWidth;
create->height = mod->mux->bih->biHeight;
/* FPS */
create->fincr = mod->mux->h.dwScale;
create->fbase = mod->mux->h.dwRate;
/* Encodings zones */
memset(mod->zones, 0, sizeof(mod->zones));
create->zones = mod->zones;
create->num_zones = 0;
/* Plugins */
memset(mod->plugins, 0, sizeof(mod->plugins));
create->plugins = mod->plugins;
create->num_plugins = 0;
/* -------------------------------------------------------------------
* Initialize and bind the right rate controller plugin
* ---------------------------------------------------------------- */
/* First we try to sort out configuration conflicts */
if(xvidenc_quantizer != 0 && (xvidenc_bitrate || xvidenc_pass)) {
mp_msg(MSGT_MENCODER, MSGL_ERR,
"xvid: you can't mix Fixed Quantizer Rate Control"
" with other Rate Control mechanisms\n");
return(BAD);
}
if(xvidenc_bitrate != 0 && xvidenc_pass == 1) {
mp_msg(MSGT_MENCODER, MSGL_WARN,
"xvid: bitrate setting is ignored during first pass\n");
}
/* Sort out which sort of pass we are supposed to do
* pass == 1<<0 CBR
* pass == 1<<1 Two pass first pass
* pass == 1<<2 Two pass second pass
* pass == 1<<3 Constant quantizer
*/
#define MODE_CBR (1<<0)
#define MODE_2PASS1 (1<<1)
#define MODE_2PASS2 (1<<2)
#define MODE_QUANT (1<<3)
pass = 0;
if(xvidenc_bitrate != 0 && xvidenc_pass == 0)
pass |= MODE_CBR;
if(xvidenc_pass == 1)
pass |= MODE_2PASS1;
if(xvidenc_bitrate != 0 && xvidenc_pass == 2)
pass |= MODE_2PASS2;
if(xvidenc_quantizer != 0 && xvidenc_pass == 0)
pass |= MODE_QUANT;
/* We must be in at least one RC mode */
if(pass == 0) {
mp_msg(MSGT_MENCODER, MSGL_ERR,
"xvid: you must specify one or a valid combination of "
"'bitrate', 'pass', 'quantizer' settings\n");
return(BAD);
}
/* Sanity checking */
if(pass != MODE_CBR && pass != MODE_QUANT &&
pass != MODE_2PASS1 && pass != MODE_2PASS2) {
mp_msg(MSGT_MENCODER, MSGL_ERR,
"xvid: this code should not be reached - fill a bug "
"report\n");
return(BAD);
}
/* This is a single pass encoding: either a CBR pass or a constant
* quantizer pass */
if(pass == MODE_CBR || pass == MODE_QUANT) {
xvid_plugin_single_t *onepass = &mod->onepass;
/* There is not much left to initialize after dispatch settings */
onepass->version = XVID_VERSION;
if (xvidenc_bitrate > 16000) onepass->bitrate = xvidenc_bitrate;
else onepass->bitrate = xvidenc_bitrate*1000;
/* Quantizer mode uses the same plugin, we have only to define
* a constant quantizer zone beginning at frame 0 */
if(pass == MODE_QUANT) {
XVIDRational squant;
squant = xvid_d2q(xvidenc_quantizer,128);
create->zones[create->num_zones].mode = XVID_ZONE_QUANT;
create->zones[create->num_zones].frame = 0;
create->zones[create->num_zones].increment = squant.num;
create->zones[create->num_zones].base = squant.den;
create->num_zones++;
mp_msg(MSGT_MENCODER, MSGL_INFO,
"xvid: Fixed Quant Rate Control -- quantizer=%d/%d=%2.2f\n",
squant.num,
squant.den,
(float)(squant.num)/(float)(squant.den));
} else {
mp_msg(MSGT_MENCODER, MSGL_INFO,
"xvid: CBR Rate Control -- bitrate=%dkbit/s\n",
xvidenc_bitrate>16000?xvidenc_bitrate/1000:xvidenc_bitrate);
}
create->plugins[create->num_plugins].func = xvid_plugin_single;
create->plugins[create->num_plugins].param = onepass;
create->num_plugins++;
}
/* This is the first pass of a Two pass process */
if(pass == MODE_2PASS1) {
xvid_plugin_2pass1_t *pass1 = &mod->pass1;
/* There is not much to initialize for this plugin */
pass1->version = XVID_VERSION;
pass1->filename = XVID_FIRST_PASS_FILENAME;
create->plugins[create->num_plugins].func = xvid_plugin_2pass1;
create->plugins[create->num_plugins].param = pass1;
create->num_plugins++;
mp_msg(MSGT_MENCODER, MSGL_INFO,
"xvid: 2Pass Rate Control -- 1st pass\n");
}
/* This is the second pass of a Two pass process */
if(pass == MODE_2PASS2) {
xvid_plugin_2pass2_t *pass2 = &mod->pass2;
/* There is not much left to initialize after dispatch settings */
pass2->version = XVID_VERSION;
pass2->filename = XVID_FIRST_PASS_FILENAME;
/* Positive bitrate values are bitrates as usual but if the
* value is negative it is considered as being a total size
* to reach (in kilobytes) */
if(xvidenc_bitrate > 0) {
if(xvidenc_bitrate > 16000) pass2->bitrate = xvidenc_bitrate;
else pass2->bitrate = xvidenc_bitrate*1000;
mp_msg(MSGT_MENCODER, MSGL_INFO,
"xvid: 2Pass Rate Control -- 2nd pass -- bitrate=%dkbit/s\n",
xvidenc_bitrate>16000?xvidenc_bitrate/1000:xvidenc_bitrate);
} else {
pass2->bitrate = xvidenc_bitrate;
mp_msg(MSGT_MENCODER, MSGL_INFO,
"xvid: 2Pass Rate Control -- 2nd pass -- total size=%dkB\n",
-xvidenc_bitrate);
}
create->plugins[create->num_plugins].func = xvid_plugin_2pass2;
create->plugins[create->num_plugins].param = pass2;
create->num_plugins++;
}
return(FINE);
}
static int set_frame_struct(xvid_mplayer_module_t *mod, mp_image_t *mpi)
{
xvid_enc_frame_t *frame = &mod->frame;
/* Most of the initialization is done during dispatch_settings */
frame->version = XVID_VERSION;
/* Bind output buffer */
frame->bitstream = mod->mux->buffer;
frame->length = -1;
/* Frame format */
switch(mpi->imgfmt) {
case IMGFMT_YV12:
case IMGFMT_IYUV:
case IMGFMT_I420:
frame->input.csp = XVID_CSP_USER;
break;
case IMGFMT_YUY2:
frame->input.csp = XVID_CSP_YUY2;
break;
case IMGFMT_UYVY:
frame->input.csp = XVID_CSP_UYVY;
break;
default:
mp_msg(MSGT_MENCODER, MSGL_ERR,
"xvid: unsupported picture format (%s)!\n",
vo_format_name(mpi->imgfmt));
return(BAD);
}
/* Bind source frame */
frame->input.plane[0] = mpi->planes[0];
frame->input.plane[1] = mpi->planes[1];
frame->input.plane[2] = mpi->planes[2];
frame->input.stride[0] = mpi->stride[0];
frame->input.stride[1] = mpi->stride[1];
frame->input.stride[2] = mpi->stride[2];
/* Force the right quantizer -- It is internally managed by RC
* plugins */
frame->quant = 0;
return(FINE);
}
static void
flush_internal_buffers(xvid_mplayer_module_t *mod)
{
int size;
xvid_enc_frame_t *frame = &mod->frame;
if (mod->instance == NULL)
return;/*encoder not inited*/
/* Init a fake frame to force flushing */
frame->version = XVID_VERSION;
frame->bitstream = mod->mux->buffer;
frame->length = -1;
frame->input.csp = XVID_CSP_NULL;
frame->input.plane[0] = NULL;
frame->input.plane[1] = NULL;
frame->input.plane[2] = NULL;
frame->input.stride[0] = 0;
frame->input.stride[1] = 0;
frame->input.stride[2] = 0;
frame->quant = 0;
/* Flush encoder buffers caused by bframes usage */
do {
xvid_enc_stats_t stats;
memset(&stats, 0, sizeof(xvid_enc_stats_t));
stats.version = XVID_VERSION;
/* Encode internal buffer */
size = xvid_encore(mod->instance, XVID_ENC_ENCODE, &mod->frame, &stats);
if (size>0) {
/* Update stats */
update_stats(mod, &stats);
/* xvidcore outputed bitstream -- mux it */
muxer_write_chunk(mod->mux, size,
(mod->frame.out_flags & XVID_KEYFRAME)?0x10:0);
}
} while (size>0);
}
#define SSE2PSNR(sse, nbpixels) \
((!(sse)) ? 99.99f : 48.131f - 10*(double)log10((double)(sse)/(double)((nbpixels))))
static void
update_stats(xvid_mplayer_module_t *mod, xvid_enc_stats_t *stats)
{
if(xvidenc_stats && stats->type > 0) {
mod->sse_y += stats->sse_y;
mod->sse_u += stats->sse_u;
mod->sse_v += stats->sse_v;
if(mod->min_sse_y > stats->sse_y) {
mod->min_sse_y = stats->sse_y;
mod->min_sse_u = stats->sse_u;
mod->min_sse_v = stats->sse_v;
mod->min_framenum = mod->frames;
}
if(mod->max_sse_y < stats->sse_y) {
mod->max_sse_y = stats->sse_y;
mod->max_sse_u = stats->sse_u;
mod->max_sse_v = stats->sse_v;
mod->max_framenum = mod->frames;
}
if (xvidenc_psnr) {
if (!mod->fvstats) {
char filename[20];
time_t today2;
struct tm *today;
today2 = time (NULL);
today = localtime (&today2);
sprintf (filename, "psnr_%02d%02d%02d.log", today->tm_hour, today->tm_min, today->tm_sec);
mod->fvstats = fopen (filename,"w");
if (!mod->fvstats) {
perror ("fopen");
/* Disable PSNR file output so we don't get here again */
xvidenc_psnr = 0;
}
}
fprintf (mod->fvstats, "%6d, %2d, %6d, %2.2f, %2.2f, %2.2f, %2.2f %c\n",
mod->frames,
stats->quant,
stats->length,
SSE2PSNR (stats->sse_y, mod->pixels),
SSE2PSNR (stats->sse_u, mod->pixels / 4),
SSE2PSNR (stats->sse_v, mod->pixels / 4),
SSE2PSNR (stats->sse_y + stats->sse_u + stats->sse_v,(double)mod->pixels * 1.5),
stats->type==1?'I':stats->type==2?'P':stats->type==3?'B':stats->type?'S':'?'
);
}
mod->frames++;
}
}
static void
print_stats(xvid_mplayer_module_t *mod)
{
if (mod->frames) {
mod->sse_y /= mod->frames;
mod->sse_u /= mod->frames;
mod->sse_v /= mod->frames;
mp_msg(MSGT_MENCODER, MSGL_INFO,
"The value 99.99dB is a special value and represents "
"the upper range limit\n");
mp_msg(MSGT_MENCODER, MSGL_INFO,
"xvid: Min PSNR y : %.2f dB, u : %.2f dB, v : %.2f dB, in frame %d\n",
SSE2PSNR(mod->max_sse_y, mod->pixels),
SSE2PSNR(mod->max_sse_u, mod->pixels/4),
SSE2PSNR(mod->max_sse_v, mod->pixels/4),
mod->max_framenum);
mp_msg(MSGT_MENCODER, MSGL_INFO,
"xvid: Average PSNR y : %.2f dB, u : %.2f dB, v : %.2f dB, for %d frames\n",
SSE2PSNR(mod->sse_y, mod->pixels),
SSE2PSNR(mod->sse_u, mod->pixels/4),
SSE2PSNR(mod->sse_v, mod->pixels/4),
mod->frames);
mp_msg(MSGT_MENCODER, MSGL_INFO,
"xvid: Max PSNR y : %.2f dB, u : %.2f dB, v : %.2f dB, in frame %d\n",
SSE2PSNR(mod->min_sse_y, mod->pixels),
SSE2PSNR(mod->min_sse_u, mod->pixels/4),
SSE2PSNR(mod->min_sse_v, mod->pixels/4),
mod->min_framenum);
}
}
#undef SSE2PSNR
static void *read_matrix(unsigned char *filename)
{
int i;
unsigned char *matrix;
FILE *input;
/* Allocate matrix space */
if((matrix = malloc(64*sizeof(unsigned char))) == NULL)
return(NULL);
/* Open the matrix file */
if((input = fopen(filename, "rb")) == NULL) {
mp_msg(MSGT_MENCODER, MSGL_ERR,
"xvid: Error opening the matrix file %s\n",
filename);
free(matrix);
return(NULL);
}
/* Read the matrix */
for(i=0; i<64; i++) {
int value;
/* If fscanf fails then get out of the loop */
if(fscanf(input, "%d", &value) != 1) {
mp_msg(MSGT_MENCODER, MSGL_ERR,
"xvid: Error reading the matrix file %s\n",
filename);
free(matrix);
fclose(input);
return(NULL);
}
/* Clamp the value to safe range */
value = (value< 1)?1 :value;
value = (value>255)?255:value;
matrix[i] = value;
}
/* Fills the rest with 1 */
while(i<64) matrix[i++] = 1;
/* We're done */
fclose(input);
return(matrix);
}
static const char *
par_string(int parcode)
{
const char *par_string;
switch (parcode) {
case XVID_PAR_11_VGA:
par_string = "vga11";
break;
case XVID_PAR_43_PAL:
par_string = "pal43";
break;
case XVID_PAR_43_NTSC:
par_string = "ntsc43";
break;
case XVID_PAR_169_PAL:
par_string = "pal169";
break;
case XVID_PAR_169_NTSC:
par_string = "ntsc69";
break;
case XVID_PAR_EXT:
par_string = "ext";
break;
default:
par_string = "unknown";
break;
}
return (par_string);
}
static const char *errorstring(int err)
{
const char *error;
switch(err) {
case XVID_ERR_FAIL:
error = "General fault";
break;
case XVID_ERR_MEMORY:
error = "Memory allocation error";
break;
case XVID_ERR_FORMAT:
error = "File format error";
break;
case XVID_ERR_VERSION:
error = "Structure version not supported";
break;
case XVID_ERR_END:
error = "End of stream reached";
break;
default:
error = "Unknown";
}
return(error);
}
/*****************************************************************************
* Module structure definition
****************************************************************************/
vf_info_t ve_info_xvid = {
"XviD 1.0 encoder",
"xvid",
"Marco Belli <elcabesa@inwind.it>, Edouard Gomez <ed.gomez@free.fr>",
"No comment",
vf_open
};
#endif /* HAVE_XVID4 */
/* Please do not change that tag comment.
* arch-tag: 42ccc257-0548-4a3e-9617-2876c4e8ac88 mplayer xvid encoder module */
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