ffmpeg.c

/*
 * FFmpeg main 
 * Copyright (c) 2000-2003 Fabrice Bellard
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#define HAVE_AV_CONFIG_H
#include <limits.h>
#include "avformat.h"
#include "framehook.h"
#include "dsputil.h"

#ifndef CONFIG_WIN32
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include <termios.h>
#include <sys/resource.h>
#include <signal.h>
#endif
#ifdef CONFIG_OS2
#include <sys/types.h>
#include <sys/select.h>
#include <stdlib.h>
#endif
#undef time //needed because HAVE_AV_CONFIG_H is defined on top
#include <time.h>

#include "cmdutils.h"

#undef NDEBUG
#include <assert.h>

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

/* select an input stream for an output stream */
typedef struct AVStreamMap {
    int file_index;
    int stream_index;
    int sync_file_index;
    int sync_stream_index;
} AVStreamMap;

/** select an input file for an output file */
typedef struct AVMetaDataMap {
    int out_file;
    int in_file;
} AVMetaDataMap;

extern const OptionDef options[];

static void show_help(void);
static void show_license(void);

#define MAX_FILES 20

static AVFormatContext *input_files[MAX_FILES];
static int64_t input_files_ts_offset[MAX_FILES];
static int nb_input_files = 0;

static AVFormatContext *output_files[MAX_FILES];
static int nb_output_files = 0;

static AVStreamMap stream_maps[MAX_FILES];
static int nb_stream_maps;

static AVMetaDataMap meta_data_maps[MAX_FILES];
static int nb_meta_data_maps;

static AVInputFormat *file_iformat;
static AVOutputFormat *file_oformat;
static AVImageFormat *image_format;
static int frame_width  = 0;
static int frame_height = 0;
static float frame_aspect_ratio = 0;
static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
static int frame_padtop  = 0;
static int frame_padbottom = 0;
static int frame_padleft  = 0;
static int frame_padright = 0;
static int padcolor[3] = {16,128,128}; /* default to black */
static int frame_topBand  = 0;
static int frame_bottomBand = 0;
static int frame_leftBand  = 0;
static int frame_rightBand = 0;
static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
static int frame_rate = 25;
static int frame_rate_base = 1;
static int video_bit_rate = 200*1000;
static int video_bit_rate_tolerance = 4000*1000;
static float video_qscale = 0;
static int video_qmin = 2;
static int video_qmax = 31;
static int video_lmin = 2*FF_QP2LAMBDA;
static int video_lmax = 31*FF_QP2LAMBDA;
static int video_mb_lmin = 2*FF_QP2LAMBDA;
static int video_mb_lmax = 31*FF_QP2LAMBDA;
static int video_qdiff = 3;
static float video_qblur = 0.5;
static float video_qsquish = 0.0;
static float video_qcomp = 0.5;
static uint16_t *intra_matrix = NULL;
static uint16_t *inter_matrix = NULL;
#if 0 //experimental, (can be removed)
static float video_rc_qsquish=1.0;
static float video_rc_qmod_amp=0;
static int video_rc_qmod_freq=0;
#endif
static char *video_rc_override_string=NULL;
static char *video_rc_eq="tex^qComp";
static int video_rc_buffer_size=0;
static float video_rc_buffer_aggressivity=1.0;
static int video_rc_max_rate=0;
static int video_rc_min_rate=0;
static float video_rc_initial_cplx=0;
static float video_b_qfactor = 1.25;
static float video_b_qoffset = 1.25;
static float video_i_qfactor = -0.8;
static float video_i_qoffset = 0.0;
static int video_intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
static int video_inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
static int me_method = ME_EPZS;
static int video_disable = 0;
static int video_discard = 0;
static int video_codec_id = CODEC_ID_NONE;
static int video_codec_tag = 0;
static int same_quality = 0;
static int b_frames = 0;
static int b_strategy = 0;
static int mb_decision = FF_MB_DECISION_SIMPLE;
static int ildct_cmp = FF_CMP_VSAD;
static int mb_cmp = FF_CMP_SAD;
static int sub_cmp = FF_CMP_SAD;
static int cmp = FF_CMP_SAD;
static int pre_cmp = FF_CMP_SAD;
static int pre_me = 0;
static float lumi_mask = 0;
static float dark_mask = 0;
static float scplx_mask = 0;
static float tcplx_mask = 0;
static float p_mask = 0;
static int use_4mv = 0;
static int use_obmc = 0;
static int use_loop = 0;
static int use_aic = 0;
static int use_aiv = 0;
static int use_umv = 0;
static int use_ss = 0;
static int use_alt_scan = 0;
static int use_trell = 0;
static int use_scan_offset = 0;
static int use_qpel = 0;
static int use_qprd = 0;
static int use_cbprd = 0;
static int use_mv0 = 0;
static int do_normalize_aqp = 0;
static int qns = 0;
static int closed_gop = 0;
static int strict_gop = 0;
static int no_output = 0;
static int do_deinterlace = 0;
static int do_interlace_dct = 0;
static int do_interlace_me = 0;
static int workaround_bugs = FF_BUG_AUTODETECT;
static int error_resilience = FF_ER_CAREFULL;
static int error_concealment = 3;
static int dct_algo = 0;
static int idct_algo = 0;
static int use_part = 0;
static int packet_size = 0;
static int error_rate = 0;
static int strict = 0;
static int top_field_first = -1;
static int noise_reduction = 0;
static int sc_threshold = 0;
static int debug = 0;
static int debug_mv = 0;
static int me_threshold = 0;
static int mb_threshold = 0;
static int intra_dc_precision = 8;
static int coder = 0;
static int context = 0;
static int predictor = 0;
static int video_profile = FF_PROFILE_UNKNOWN;
static int video_level = FF_LEVEL_UNKNOWN;