x264.c.svn-base

H.264 source codes

/*****************************************************************************
 * x264: h264 encoder/decoder testing program.
 *****************************************************************************
 * Copyright (C) 2003 Laurent Aimar
 * $Id: x264.c,v 1.1 2004/06/03 19:24:12 fenrir Exp $
 *
 * Authors: Laurent Aimar <[e-mail]>
 *
 * 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, USA.
 *****************************************************************************/

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include <math.h>

#include <signal.h>
#define _GNU_SOURCE
#include <getopt.h>

#ifdef _MSC_VER
#include <io.h>     /* _setmode() */
#include <fcntl.h>  /* _O_BINARY */
#endif

#ifdef AVIS_INPUT
#include <windows.h>
#include <vfw.h>
#endif

#ifdef MP4_OUTPUT
#include <gpac/m4_author.h>
#endif

#include "common/common.h"
#include "x264.h"
#ifndef _MSC_VER
#include "config.h"
#endif

#define DATA_MAX 3000000
uint8_t data[DATA_MAX];

typedef void *hnd_t;

/* Ctrl-C handler */
static int     b_ctrl_c = 0;
static int     b_exit_on_ctrl_c = 0;
static void    SigIntHandler( int a )
{
    if( b_exit_on_ctrl_c )
        exit(0);
    b_ctrl_c = 1;
}

typedef struct {
    int b_decompress;
    int b_progress;
    int i_maxframes;
    int i_seek;
    hnd_t hin;
    hnd_t hout;
} cli_opt_t;

/* input file operation function pointers */
static int (*p_open_infile)( char *psz_filename, hnd_t *p_handle, x264_param_t *p_param );
static int (*p_get_frame_total)( hnd_t handle, int i_width, int i_height );
static int (*p_read_frame)( x264_picture_t *p_pic, hnd_t handle, int i_frame, int i_width, int i_height );
static int (*p_close_infile)( hnd_t handle );

static int open_file_yuv( char *psz_filename, hnd_t *p_handle, x264_param_t *p_param );
static int get_frame_total_yuv( hnd_t handle, int i_width, int i_height );
static int read_frame_yuv( x264_picture_t *p_pic, hnd_t handle, int i_frame, int i_width, int i_height );
static int close_file_yuv( hnd_t handle );

#ifdef AVIS_INPUT
static int open_file_avis( char *psz_filename, hnd_t *p_handle, x264_param_t *p_param );
static int get_frame_total_avis( hnd_t handle, int i_width, int i_height );
static int read_frame_avis( x264_picture_t *p_pic, hnd_t handle, int i_frame, int i_width, int i_height );
static int close_file_avis( hnd_t handle );
#endif

/* output file operation function pointers */
static int (*p_open_outfile)( char *psz_filename, hnd_t *p_handle );
static int (*p_set_outfile_param)( hnd_t handle, x264_param_t *p_param );
static int (*p_write_nalu)( hnd_t handle, uint8_t *p_nal, int i_size );
static int (*p_set_eop)( hnd_t handle, x264_picture_t *p_picture );
static int (*p_close_outfile)( hnd_t handle );

static int open_file_bsf( char *psz_filename, hnd_t *p_handle );
static int set_param_bsf( hnd_t handle, x264_param_t *p_param );
static int write_nalu_bsf( hnd_t handle, uint8_t *p_nal, int i_size );
static int set_eop_bsf( hnd_t handle,  x264_picture_t *p_picture );
static int close_file_bsf( hnd_t handle );

#ifdef MP4_OUTPUT
static int open_file_mp4( char *psz_filename, hnd_t *p_handle );
static int set_param_mp4( hnd_t handle, x264_param_t *p_param );
static int write_nalu_mp4( hnd_t handle, uint8_t *p_nal, int i_size );
static int set_eop_mp4( hnd_t handle, x264_picture_t *p_picture );
static int close_file_mp4( hnd_t handle );
#endif

static void Help( x264_param_t *defaults );
static int  Parse( int argc, char **argv, x264_param_t *param, cli_opt_t *opt );
static int  Encode( x264_param_t *param, cli_opt_t *opt );


/****************************************************************************
 * main:
 ****************************************************************************/
int main( int argc, char **argv )
{
    x264_param_t param;
    cli_opt_t opt;

#ifdef _MSC_VER
    _setmode(_fileno(stdin), _O_BINARY);    /* thanks to Marcos Morais <morais at dee.ufcg.edu.br> */
    _setmode(_fileno(stdout), _O_BINARY);
#endif

    x264_param_default( &param );

    /* Parse command line */
    if( Parse( argc, argv, &param, &opt ) < 0 )
        return -1;

    /* Control-C handler */
    signal( SIGINT, SigIntHandler );

    return Encode( &param, &opt );
}

/*****************************************************************************
 * Help:
 *****************************************************************************/
static void Help( x264_param_t *defaults )
{
    fprintf( stderr,
             "x264 core:%d%s\n"
             "Syntax: x264 [options] -o outfile infile [widthxheight]\n"
             "\n"
             "Infile can be raw YUV 4:2:0 (in which case resolution is required),\n"
             "  or AVI or Avisynth if compiled with AVIS support (%s).\n"
             "Outfile type is selected by filename:\n"
             " .264 -> Raw bytestream\n"
             " .mp4 -> MP4 if compiled with GPAC support (%s)\n"
             "\n"
             "Options:\n"
             "\n"
             "  -h, --help                  Print this help\n"
             "\n"
             "  -I, --keyint <integer>      Maximum GOP size [%d]\n"
             "  -i, --min-keyint <integer>  Minimum GOP size [%d]\n"
             "      --scenecut <integer>    How aggressively to insert extra I-frames [%d]\n"
             "  -b, --bframes <integer>     Number of B-frames between I and P [%d]\n"
             "      --no-b-adapt            Disable adaptive B-frame decision\n"
             "      --b-bias <integer>      Influences how often B-frames are used [%d]\n"
             "      --b-pyramid             Keep some B-frames as references\n"
             "\n"
             "      --no-cabac              Disable CABAC\n"
             "  -r, --ref <integer>         Number of reference frames [%d]\n"
             "      --nf                    Disable loop filter\n"
             "  -f, --filter <alpha:beta>   Loop filter AlphaC0 and Beta parameters [%d:%d]\n"
             "\n"
             "  -q, --qp <integer>          Set QP [%d]\n"
             "  -B, --bitrate <integer>     Set bitrate\n"
             "      --qpmin <integer>       Set min QP [%d]\n"
             "      --qpmax <integer>       Set max QP [%d]\n"
             "      --qpstep <integer>      Set max QP step [%d]\n"
             "      --ratetol <float>       Allowed variance of average bitrate [%.1f]\n"
             "      --vbv-maxrate <integer> Max local bitrate [%d]\n"
             "      --vbv-bufsize <integer> Size of VBV buffer [%d]\n"
             "      --vbv-init <float>      Initial VBV buffer occupancy [%.1f]\n"
             "\n"
             "      --ipratio <float>       QP factor between I and P [%.2f]\n"
             "      --pbratio <float>       QP factor between P and B [%.2f]\n"
             "      --chroma-qp-offset <integer>  QP difference between chroma and luma [%d]\n"
             "\n"
             "  -p, --pass <1|2|3>          Enable multipass ratecontrol:\n"
             "                                  - 1: First pass, creates stats file\n"
             "                                  - 2: Last pass, does not overwrite stats file\n"
             "                                  - 3: Nth pass, overwrites stats file\n"
             "      --stats <string>        Filename for 2 pass stats [\"%s\"]\n"
             "      --rceq <string>         Ratecontrol equation [\"%s\"]\n"
             "      --qcomp <float>         QP curve compression: 0.0 => CBR, 1.0 => CQP [%.2f]\n"
             "      --cplxblur <float>      Reduce fluctuations in QP (before curve compression) [%.1f]\n"
             "      --qblur <float>         Reduce fluctuations in QP (after curve compression) [%.1f]\n"
             "\n"
             "  -A, --analyse <string>      Analyse options: [\"i4x4,p8x8,b8x8\"]\n"
             "                                  - i4x4\n"
             "                                  - p8x8, p4x4, b8x8\n"
             "                                  - none, all\n"
             "      --direct <string>       Direct MV prediction mode [\"temporal\"]\n"
             "                                  - none, spatial, temporal\n"
             "  -w, --weightb               Weighted prediction for B-frames\n"
             "      --me <string>           Integer pixel motion estimation method [\"%s\"]\n"
             "                                  - dia: diamond search, radius 1 (fast)\n"
             "                                  - hex: hexagonal search, radius 2\n"
             "                                  - esa: exhaustive search algorithm (slow)\n"
             "      --merange <integer>     Maximum motion vector search range [%d]\n"
             "  -m, --subme <integer>       Subpixel motion estimation quality: 1=fast, 5=best. [%d]\n"
             "      --no-chroma-me          Ignore chroma in motion estimation\n"
             "\n"
             "      --level <integer>       Specify level (as defined by Annex A)\n"
             "      --sar width:height      Specify Sample Aspect Ratio\n"
             "      --fps <float|rational>  Specify framerate\n"
             "      --seek <integer>        First frame to encode\n"
             "      --frames <integer>      Maximum number of frames to encode\n"
             "  -o, --output                Specify output file\n"
             "\n"
             "      --no-asm                Disable all CPU optimizations\n"
             "      --no-psnr               Disable PSNR computation\n"
             "      --quiet                 Quiet Mode\n"
             "  -v, --verbose               Print stats for each frame\n"
             "      --progress              Show a progress indicator while encoding\n"
             "      --visualize             Show MB types overlayed on the encoded video\n"
             "      --aud                   Use access unit delimiters\n"
             "\n",
            X264_BUILD, X264_VERSION,
#ifdef AVIS_INPUT
            "yes",
#else
            "no",
#endif
#ifdef MP4_OUTPUT
            "yes",
#else
            "no",
#endif
            defaults->i_keyint_max,
            defaults->i_keyint_min,
            defaults->i_scenecut_threshold,
            defaults->i_bframe,
            defaults->i_bframe_bias,
            defaults->i_frame_reference,
            defaults->i_deblocking_filter_alphac0,
            defaults->i_deblocking_filter_beta,
            defaults->rc.i_qp_constant,
            defaults->rc.i_qp_min,
            defaults->rc.i_qp_max,
            defaults->rc.i_qp_step,
            defaults->rc.f_rate_tolerance,
            defaults->rc.i_vbv_max_bitrate,
            defaults->rc.i_vbv_buffer_size,
            defaults->rc.f_vbv_buffer_init,
            defaults->rc.f_ip_factor,
            defaults->rc.f_pb_factor,
            defaults->analyse.i_chroma_qp_offset,
            defaults->rc.psz_stat_out,
            defaults->rc.psz_rc_eq,
            defaults->rc.f_qcompress,
            defaults->rc.f_complexity_blur,
            defaults->rc.f_qblur,
            defaults->analyse.i_me_method==X264_ME_DIA ? "dia"
            : defaults->analyse.i_me_method==X264_ME_HEX ? "hex"
            : defaults->analyse.i_me_method==X264_ME_ESA ? "esa" : NULL,
            defaults->analyse.i_me_range,
            defaults->analyse.i_subpel_refine
           );
}

/*****************************************************************************
 * Parse:
 *****************************************************************************/
static int  Parse( int argc, char **argv,
                   x264_param_t *param, cli_opt_t *opt )
{
    char *psz_filename = NULL;
    x264_param_t defaults = *param;
    char *psz;
    char b_avis = 0;

    memset( opt, 0, sizeof(cli_opt_t) );

    /* Default input file driver */
    p_open_infile = open_file_yuv;
    p_get_frame_total = get_frame_total_yuv;
    p_read_frame = read_frame_yuv;
    p_close_infile = close_file_yuv;

    /* Default output file driver */
    p_open_outfile = open_file_bsf;
    p_set_outfile_param = set_param_bsf;
    p_write_nalu = write_nalu_bsf;
    p_set_eop = set_eop_bsf;
    p_close_outfile = close_file_bsf;

    /* Parse command line options */
    opterr = 0; // no error message
    for( ;; )
    {
        int long_options_index;
#define OPT_QPMIN 256
#define OPT_QPMAX 257
#define OPT_QPSTEP 258
#define OPT_IPRATIO 260
#define OPT_PBRATIO 261
#define OPT_RATETOL 262
#define OPT_RCSTATS 264
#define OPT_RCEQ 265
#define OPT_QCOMP 266
#define OPT_NOPSNR 267
#define OPT_QUIET 268
#define OPT_SCENECUT 270
#define OPT_QBLUR 271
#define OPT_CPLXBLUR 272
#define OPT_FRAMES 273
#define OPT_FPS 274
#define OPT_DIRECT 275
#define OPT_LEVEL 276
#define OPT_NOBADAPT 277
#define OPT_BBIAS 278
#define OPT_BPYRAMID 279
#define OPT_CHROMA_QP 280
#define OPT_NO_CHROMA_ME 281
#define OPT_NO_CABAC 282
#define OPT_AUD 283
#define OPT_PROGRESS 284
#define OPT_ME 285
#define OPT_MERANGE 286
#define OPT_VBVMAXRATE 287
#define OPT_VBVBUFSIZE 288
#define OPT_VBVINIT 289
#define OPT_VISUALIZE 290
#define OPT_SEEK 291

        static struct option long_options[] =
        {
            { "help",    no_argument,       NULL, 'h' },
            { "bitrate", required_argument, NULL, 'B' },
            { "bframes", required_argument, NULL, 'b' },
            { "no-b-adapt", no_argument,    NULL, OPT_NOBADAPT },
            { "b-bias",  required_argument, NULL, OPT_BBIAS },
            { "b-pyramid", no_argument,     NULL, OPT_BPYRAMID },
            { "min-keyint",required_argument,NULL,'i' },
            { "keyint",  required_argument, NULL, 'I' },
            { "scenecut",required_argument, NULL, OPT_SCENECUT },
            { "nf",      no_argument,       NULL, 'n' },
            { "filter",  required_argument, NULL, 'f' },
            { "no-cabac",no_argument,       NULL, OPT_NO_CABAC },
            { "qp",      required_argument, NULL, 'q' },
            { "qpmin",   required_argument, NULL, OPT_QPMIN },