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x264/x264.c

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/*****************************************************************************
* x264: top-level x264cli functions
*****************************************************************************
* Copyright (C) 2003-2024 x264 project
*
* Authors: Loren Merritt <lorenm@u.washington.edu>
* Laurent Aimar <fenrir@via.ecp.fr>
* Steven Walters <kemuri9@gmail.com>
* Fiona Glaser <fiona@x264.com>
* Kieran Kunhya <kieran@kunhya.com>
* Henrik Gramner <henrik@gramner.com>
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
*
* This program is also available under a commercial proprietary license.
* For more information, contact us at licensing@x264.com.
*****************************************************************************/
#ifdef _WIN32
/* The following two defines must be located before the inclusion of any system header files. */
#define WINVER 0x0500
#define _WIN32_WINNT 0x0500
#include <windows.h>
#include <io.h> /* _setmode() */
#include <fcntl.h> /* _O_BINARY */
#endif
#include <signal.h>
#include <getopt.h>
#include "x264cli.h"
#include "input/input.h"
#include "output/output.h"
#include "filters/filters.h"
#define QP_MAX_SPEC (51+6*2)
#define QP_MAX (QP_MAX_SPEC+18)
#define FAIL_IF_ERROR( cond, ... ) FAIL_IF_ERR( cond, "x264", __VA_ARGS__ )
#if HAVE_LAVF
#undef DECLARE_ALIGNED
#include <libavformat/avformat.h>
#include <libavutil/pixfmt.h>
#include <libavutil/pixdesc.h>
#endif
#if HAVE_SWSCALE
#undef DECLARE_ALIGNED
#include <libswscale/swscale.h>
#endif
#if HAVE_FFMS
#include <ffms.h>
#endif
#if HAVE_GPAC
#include <gpac/isomedia.h>
#endif
#if HAVE_LSMASH
#include <lsmash.h>
#endif
#ifdef _WIN32
#define CONSOLE_TITLE_SIZE 200
static wchar_t org_console_title[CONSOLE_TITLE_SIZE] = L"";
void x264_cli_set_console_title( const char *title )
{
wchar_t title_utf16[CONSOLE_TITLE_SIZE];
if( MultiByteToWideChar( CP_UTF8, MB_ERR_INVALID_CHARS, title, -1, title_utf16, CONSOLE_TITLE_SIZE ) )
SetConsoleTitleW( title_utf16 );
}
/* Retrieve command line arguments as UTF-8. */
static int get_argv_utf8( int *argc_ptr, char ***argv_ptr )
{
int ret = 0;
wchar_t **argv_utf16 = CommandLineToArgvW( GetCommandLineW(), argc_ptr );
if( argv_utf16 )
{
int argc = *argc_ptr;
int offset = (argc+1) * sizeof(char*);
int size = offset;
for( int i = 0; i < argc; i++ )
size += WideCharToMultiByte( CP_UTF8, 0, argv_utf16[i], -1, NULL, 0, NULL, NULL );
char **argv = *argv_ptr = malloc( size );
if( argv )
{
for( int i = 0; i < argc; i++ )
{
argv[i] = (char*)argv + offset;
offset += WideCharToMultiByte( CP_UTF8, 0, argv_utf16[i], -1, argv[i], size-offset, NULL, NULL );
}
argv[argc] = NULL;
ret = 1;
}
LocalFree( argv_utf16 );
}
return ret;
}
#endif
/* Ctrl-C handler */
static volatile int b_ctrl_c = 0;
static void sigint_handler( int a )
{
b_ctrl_c = 1;
}
typedef struct {
int b_progress;
int i_seek;
hnd_t hin;
hnd_t hout;
FILE *qpfile;
FILE *tcfile_out;
double timebase_convert_multiplier;
int i_pulldown;
} cli_opt_t;
/* file i/o operation structs */
cli_input_t cli_input;
static cli_output_t cli_output;
/* video filter operation struct */
static cli_vid_filter_t filter;
const char * const x264_avcintra_class_names[] = { "50", "100", "200", "300", "480", 0 };
const char * const x264_cqm_names[] = { "flat", "jvt", 0 };
const char * const x264_log_level_names[] = { "none", "error", "warning", "info", "debug", 0 };
const char * const x264_partition_names[] = { "p8x8", "p4x4", "b8x8", "i8x8", "i4x4", "none", "all", 0 };
const char * const x264_pulldown_names[] = { "none", "22", "32", "64", "double", "triple", "euro", 0 };
const char * const x264_range_names[] = { "auto", "tv", "pc", 0 };
const char * const x264_output_csp_names[] =
{
#if !X264_CHROMA_FORMAT || X264_CHROMA_FORMAT == X264_CSP_I400
"i400",
#endif
#if !X264_CHROMA_FORMAT || X264_CHROMA_FORMAT == X264_CSP_I420
"i420",
#endif
#if !X264_CHROMA_FORMAT || X264_CHROMA_FORMAT == X264_CSP_I422
"i422",
#endif
#if !X264_CHROMA_FORMAT || X264_CHROMA_FORMAT == X264_CSP_I444
"i444", "rgb",
#endif
0
};
const char * const x264_valid_profile_names[] =
{
#if !X264_CHROMA_FORMAT || X264_CHROMA_FORMAT <= X264_CSP_I420
#if HAVE_BITDEPTH8
#if !X264_CHROMA_FORMAT || X264_CHROMA_FORMAT == X264_CSP_I420
"baseline", "main",
#endif
"high",
#endif
#if HAVE_BITDEPTH10
"high10",
#endif
#endif
#if !X264_CHROMA_FORMAT || X264_CHROMA_FORMAT == X264_CSP_I422
"high422",
#endif
"high444", 0
};
const char * const x264_demuxer_names[] =
{
"auto", "raw", "y4m",
#if HAVE_AVS
"avs",
#endif
#if HAVE_LAVF
"lavf",
#endif
#if HAVE_FFMS
"ffms",
#endif
0
};
const char * const x264_muxer_names[] =
{
"auto", "raw", "mkv", "flv",
#if HAVE_GPAC || HAVE_LSMASH
"mp4",
#endif
0
};
static const char * const chroma_format_names[] =
{
[0] = "all",
[X264_CSP_I400] = "i400",
[X264_CSP_I420] = "i420",
[X264_CSP_I422] = "i422",
[X264_CSP_I444] = "i444"
};
typedef struct
{
int mod;
uint8_t pattern[24];
float fps_factor;
} cli_pulldown_t;
enum pulldown_type_e
{
X264_PULLDOWN_22 = 1,
X264_PULLDOWN_32,
X264_PULLDOWN_64,
X264_PULLDOWN_DOUBLE,
X264_PULLDOWN_TRIPLE,
X264_PULLDOWN_EURO
};
#define TB PIC_STRUCT_TOP_BOTTOM
#define BT PIC_STRUCT_BOTTOM_TOP
#define TBT PIC_STRUCT_TOP_BOTTOM_TOP
#define BTB PIC_STRUCT_BOTTOM_TOP_BOTTOM
static const cli_pulldown_t pulldown_values[] =
{
[X264_PULLDOWN_22] = {1, {TB}, 1.0},
[X264_PULLDOWN_32] = {4, {TBT, BT, BTB, TB}, 1.25},
[X264_PULLDOWN_64] = {2, {PIC_STRUCT_DOUBLE, PIC_STRUCT_TRIPLE}, 1.0},
[X264_PULLDOWN_DOUBLE] = {1, {PIC_STRUCT_DOUBLE}, 2.0},
[X264_PULLDOWN_TRIPLE] = {1, {PIC_STRUCT_TRIPLE}, 3.0},
[X264_PULLDOWN_EURO] = {24, {TBT, BT, BT, BT, BT, BT, BT, BT, BT, BT, BT, BT,
BTB, TB, TB, TB, TB, TB, TB, TB, TB, TB, TB, TB}, 25.0/24.0}
};
#undef TB
#undef BT
#undef TBT
#undef BTB
// indexed by pic_struct enum
static const float pulldown_frame_duration[10] = { 0.0, 1, 0.5, 0.5, 1, 1, 1.5, 1.5, 2, 3 };
static void help( x264_param_t *defaults, int longhelp );
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 );
/* logging and printing for within the cli system */
static int cli_log_level = X264_LOG_INFO;
void x264_cli_log( const char *name, int i_level, const char *fmt, ... )
{
if( i_level > cli_log_level )
return;
char *s_level;
switch( i_level )
{
case X264_LOG_ERROR:
s_level = "error";
break;
case X264_LOG_WARNING:
s_level = "warning";
break;
case X264_LOG_INFO:
s_level = "info";
break;
case X264_LOG_DEBUG:
s_level = "debug";
break;
default:
s_level = "unknown";
break;
}
fprintf( stderr, "%s [%s]: ", name, s_level );
va_list arg;
va_start( arg, fmt );
x264_vfprintf( stderr, fmt, arg );
va_end( arg );
}
void x264_cli_printf( int i_level, const char *fmt, ... )
{
if( i_level > cli_log_level )
return;
va_list arg;
va_start( arg, fmt );
x264_vfprintf( stderr, fmt, arg );
va_end( arg );
}
static void print_version_info( void )
{
#ifdef X264_POINTVER
printf( "x264 "X264_POINTVER"\n" );
#else
printf( "x264 0.%d.X\n", X264_BUILD );
#endif
#if HAVE_SWSCALE
printf( "(libswscale %d.%d.%d)\n", LIBSWSCALE_VERSION_MAJOR, LIBSWSCALE_VERSION_MINOR, LIBSWSCALE_VERSION_MICRO );
#endif
#if HAVE_LAVF
printf( "(libavformat %d.%d.%d)\n", LIBAVFORMAT_VERSION_MAJOR, LIBAVFORMAT_VERSION_MINOR, LIBAVFORMAT_VERSION_MICRO );
#endif
#if HAVE_FFMS
printf( "(ffmpegsource %d.%d.%d.%d)\n", FFMS_VERSION >> 24, (FFMS_VERSION & 0xff0000) >> 16, (FFMS_VERSION & 0xff00) >> 8, FFMS_VERSION & 0xff );
#endif
#if HAVE_GPAC
printf( "(gpac " GPAC_VERSION ")\n" );
#endif
#if HAVE_LSMASH
printf( "(lsmash %d.%d.%d)\n", LSMASH_VERSION_MAJOR, LSMASH_VERSION_MINOR, LSMASH_VERSION_MICRO );
#endif
printf( "built on " __DATE__ ", " );
#ifdef __INTEL_COMPILER
printf( "intel: %.2f (%d)\n", __INTEL_COMPILER / 100.f, __INTEL_COMPILER_BUILD_DATE );
#elif defined(__clang__)
printf( "clang: " __clang_version__ "\n" );
#elif defined(__GNUC__)
printf( "gcc: " __VERSION__ "\n" );
#elif defined(_MSC_FULL_VER)
printf( "msvc: %.2f (%u)\n", _MSC_VER / 100.f, _MSC_FULL_VER );
#else
printf( "using an unknown compiler\n" );
#endif
printf( "x264 configuration: --chroma-format=%s\n", chroma_format_names[X264_CHROMA_FORMAT] );
printf( "libx264 configuration: --chroma-format=%s\n", chroma_format_names[x264_chroma_format] );
printf( "x264 license: " );
#if HAVE_GPL
printf( "GPL version 2 or later\n" );
#else
printf( "Non-GPL commercial\n" );
#endif
#if HAVE_SWSCALE
const char *license = swscale_license();
printf( "libswscale%s%s license: %s\n", HAVE_LAVF ? "/libavformat" : "", HAVE_FFMS ? "/ffmpegsource" : "" , license );
if( !strcmp( license, "nonfree and unredistributable" ) ||
(!HAVE_GPL && (!strcmp( license, "GPL version 2 or later" )
|| !strcmp( license, "GPL version 3 or later" ))))
printf( "WARNING: This binary is unredistributable!\n" );
#endif
}
REALIGN_STACK int main( int argc, char **argv )
{
if( argc == 4 && !strcmp( argv[1], "--autocomplete" ) )
return x264_cli_autocomplete( argv[2], argv[3] );
x264_param_t param;
cli_opt_t opt = {0};
int ret = 0;
FAIL_IF_ERROR( x264_threading_init(), "unable to initialize threading\n" );
#ifdef _WIN32
FAIL_IF_ERROR( !get_argv_utf8( &argc, &argv ), "unable to convert command line to UTF-8\n" );
GetConsoleTitleW( org_console_title, CONSOLE_TITLE_SIZE );
_setmode( _fileno( stdin ), _O_BINARY );
_setmode( _fileno( stdout ), _O_BINARY );
_setmode( _fileno( stderr ), _O_BINARY );
#endif
x264_param_default( &param );
/* Parse command line */
if( parse( argc, argv, &param, &opt ) < 0 )
ret = -1;
#ifdef _WIN32
/* Restore title; it can be changed by input modules */
SetConsoleTitleW( org_console_title );
#endif
/* Control-C handler */
signal( SIGINT, sigint_handler );
if( !ret )
ret = encode( &param, &opt );
/* clean up handles */
if( filter.free )
filter.free( opt.hin );
else if( opt.hin )
cli_input.close_file( opt.hin );
if( opt.hout )
cli_output.close_file( opt.hout, 0, 0 );
if( opt.tcfile_out )
fclose( opt.tcfile_out );
if( opt.qpfile )
fclose( opt.qpfile );
x264_param_cleanup( &param );
#ifdef _WIN32
SetConsoleTitleW( org_console_title );
free( argv );
#endif
return ret;
}
static char const *strtable_lookup( const char * const table[], int idx )
{
int i = 0; while( table[i] ) i++;
return ( idx >= 0 && idx < i && *table[idx] ) ? table[idx] : "???";
}
static char *stringify_names( char *buf, const char * const names[] )
{
int i = 0;
char *p = buf;
for( p[0] = 0; names[i]; i++ )
if( *names[i] )
{
if( p != buf )
p += sprintf( p, ", " );
p += sprintf( p, "%s", names[i] );
}
return buf;
}
#define INDENT " "
#define INDENT_LEN 32 // strlen( INDENT )
#define SEPARATOR ", "
#define SEPARATOR_LEN 2 // strlen( SEPARATOR )
static void print_csp_name_internal( const char *name, size_t *line_len, int last )
{
if( name )
{
size_t name_len = strlen( name );
if( *line_len + name_len > (80 - SEPARATOR_LEN) )
{
printf( "\n" INDENT );
*line_len = INDENT_LEN;
}
printf( "%s", name );
*line_len += name_len;
if( !last )
{
printf( SEPARATOR );
*line_len += SEPARATOR_LEN;
}
}
}
static void print_csp_names( int longhelp )
{
if( longhelp < 2 )
return;
printf( " - valid csps for `raw' demuxer:\n" );
printf( INDENT );
size_t line_len = INDENT_LEN;
for( int i = X264_CSP_NONE+1; i < X264_CSP_CLI_MAX; i++ )
print_csp_name_internal( x264_cli_csps[i].name, &line_len, i == X264_CSP_CLI_MAX-1 );
#if HAVE_LAVF
printf( "\n" );
printf( " - valid csps for `lavf' demuxer:\n" );
printf( INDENT );
line_len = INDENT_LEN;
for( enum AVPixelFormat i = AV_PIX_FMT_NONE+1; i < AV_PIX_FMT_NB; i++ )
print_csp_name_internal( av_get_pix_fmt_name( i ), &line_len, i == AV_PIX_FMT_NB-1 );
#endif
printf( "\n" );
}
static void help( x264_param_t *defaults, int longhelp )
{
char buf[200];
#define H0 printf
#define H1 if( longhelp >= 1 ) printf
#define H2 if( longhelp == 2 ) printf
H0( "x264 core:%d%s\n"
"Syntax: x264 [options] -o outfile infile\n"
"\n"
"Infile can be raw (in which case resolution is required),\n"
" or YUV4MPEG (*.y4m),\n"
" or Avisynth if compiled with support (%s).\n"
" or libav* formats if compiled with lavf support (%s) or ffms support (%s).\n"
"Outfile type is selected by filename:\n"
" .264 -> Raw bytestream\n"
" .mkv -> Matroska\n"
" .flv -> Flash Video\n"
" .mp4 -> MP4 if compiled with GPAC or L-SMASH support (%s)\n"
"Output bit depth: %s\n"
"\n"
"Options:\n"
"\n"
" -h, --help List basic options\n"
" --longhelp List more options\n"
" --fullhelp List all options\n"
"\n",
X264_BUILD, X264_VERSION,
#if HAVE_AVS
"yes",
#else
"no",
#endif
#if HAVE_LAVF
"yes",
#else
"no",
#endif
#if HAVE_FFMS
"yes",
#else
"no",
#endif
#if HAVE_GPAC
"gpac",
#elif HAVE_LSMASH
"lsmash",
#else
"no",
#endif
#if HAVE_BITDEPTH8 && HAVE_BITDEPTH10
"8/10"
#elif HAVE_BITDEPTH8
"8"
#elif HAVE_BITDEPTH10
"10"
#else
"none"
#endif
);
H0( "Example usage:\n" );
H0( "\n" );
H0( " Constant quality mode:\n" );
H0( " x264 --crf 24 -o <output> <input>\n" );
H0( "\n" );
H0( " Two-pass with a bitrate of 1000kbps:\n" );
H0( " x264 --pass 1 --bitrate 1000 -o <output> <input>\n" );
H0( " x264 --pass 2 --bitrate 1000 -o <output> <input>\n" );
H0( "\n" );
H0( " Lossless:\n" );
H0( " x264 --qp 0 -o <output> <input>\n" );
H0( "\n" );
H0( " Maximum PSNR at the cost of speed and visual quality:\n" );
H0( " x264 --preset placebo --tune psnr -o <output> <input>\n" );
H0( "\n" );
H0( " Constant bitrate at 1000kbps with a 2 second-buffer:\n");
H0( " x264 --vbv-bufsize 2000 --bitrate 1000 -o <output> <input>\n" );
H0( "\n" );
H0( "Presets:\n" );
H0( "\n" );
H0( " --profile <string> Force the limits of an H.264 profile\n"
" Overrides all settings.\n" );
H2(
#if !X264_CHROMA_FORMAT || X264_CHROMA_FORMAT <= X264_CSP_I420
#if HAVE_BITDEPTH8
#if !X264_CHROMA_FORMAT || X264_CHROMA_FORMAT == X264_CSP_I420
" - baseline:\n"
" --no-8x8dct --bframes 0 --no-cabac\n"
" --cqm flat --weightp 0\n"
" No interlaced.\n"
" No lossless.\n"
" - main:\n"
" --no-8x8dct --cqm flat\n"
" No lossless.\n"
#endif
" - high:\n"
" No lossless.\n"
#endif
#if HAVE_BITDEPTH10
" - high10:\n"
" No lossless.\n"
" Support for bit depth 8-10.\n"
#endif
#endif
#if !X264_CHROMA_FORMAT || X264_CHROMA_FORMAT == X264_CSP_I422
" - high422:\n"
" No lossless.\n"
" Support for bit depth 8-10.\n"
" Support for 4:2:0/4:2:2 chroma subsampling.\n"
#endif
" - high444:\n"
" Support for bit depth 8-10.\n"
" Support for 4:2:0/4:2:2/4:4:4 chroma subsampling.\n" );
else H0( " - %s\n", stringify_names( buf, x264_valid_profile_names ) );
H0( " --preset <string> Use a preset to select encoding settings [medium]\n"
" Overridden by user settings.\n" );
H2( " - ultrafast:\n"
" --no-8x8dct --aq-mode 0 --b-adapt 0\n"
" --bframes 0 --no-cabac --no-deblock\n"
" --no-mbtree --me dia --no-mixed-refs\n"
" --partitions none --rc-lookahead 0 --ref 1\n"
" --scenecut 0 --subme 0 --trellis 0\n"
" --no-weightb --weightp 0\n"
" - superfast:\n"
" --no-mbtree --me dia --no-mixed-refs\n"
" --partitions i8x8,i4x4 --rc-lookahead 0\n"
" --ref 1 --subme 1 --trellis 0 --weightp 1\n"
" - veryfast:\n"
" --no-mixed-refs --rc-lookahead 10\n"
" --ref 1 --subme 2 --trellis 0 --weightp 1\n"
" - faster:\n"
" --no-mixed-refs --rc-lookahead 20\n"
" --ref 2 --subme 4 --weightp 1\n"
" - fast:\n"
" --rc-lookahead 30 --ref 2 --subme 6\n"
" --weightp 1\n"
" - medium:\n"
" Default settings apply.\n"
" - slow:\n"
" --direct auto --rc-lookahead 50 --ref 5\n"
" --subme 8 --trellis 2\n"
" - slower:\n"
" --b-adapt 2 --direct auto --me umh\n"
" --partitions all --rc-lookahead 60\n"
" --ref 8 --subme 9 --trellis 2\n"
" - veryslow:\n"
" --b-adapt 2 --bframes 8 --direct auto\n"
" --me umh --merange 24 --partitions all\n"
" --ref 16 --subme 10 --trellis 2\n"
" --rc-lookahead 60\n"
" - placebo:\n"
" --bframes 16 --b-adapt 2 --direct auto\n"
" --slow-firstpass --no-fast-pskip\n"
" --me tesa --merange 24 --partitions all\n"
" --rc-lookahead 60 --ref 16 --subme 11\n"
" --trellis 2\n" );
else H0( " - ultrafast,superfast,veryfast,faster,fast\n"
" - medium,slow,slower,veryslow,placebo\n" );
H0( " --tune <string> Tune the settings for a particular type of source\n"
" or situation\n"
" Overridden by user settings.\n"
" Multiple tunings are separated by commas.\n"
" Only one psy tuning can be used at a time.\n" );
H2( " - film (psy tuning):\n"
" --deblock -1:-1 --psy-rd <unset>:0.15\n"
" - animation (psy tuning):\n"
" --bframes {+2} --deblock 1:1\n"
" --psy-rd 0.4:<unset> --aq-strength 0.6\n"
" --ref {Double if >1 else 1}\n"
" - grain (psy tuning):\n"
" --aq-strength 0.5 --no-dct-decimate\n"
" --deadzone-inter 6 --deadzone-intra 6\n"
" --deblock -2:-2 --ipratio 1.1\n"
" --pbratio 1.1 --psy-rd <unset>:0.25\n"
" --qcomp 0.8\n"
" - stillimage (psy tuning):\n"
" --aq-strength 1.2 --deblock -3:-3\n"
" --psy-rd 2.0:0.7\n"
" - psnr (psy tuning):\n"
" --aq-mode 0 --no-psy\n"
" - ssim (psy tuning):\n"
" --aq-mode 2 --no-psy\n"
" - fastdecode:\n"
" --no-cabac --no-deblock --no-weightb\n"
" --weightp 0\n"
" - zerolatency:\n"
" --bframes 0 --force-cfr --no-mbtree\n"
" --sync-lookahead 0 --sliced-threads\n"
" --rc-lookahead 0\n" );
else H0( " - psy tunings: film,animation,grain,\n"
" stillimage,psnr,ssim\n"
" - other tunings: fastdecode,zerolatency\n" );
H2( " --slow-firstpass Don't force these faster settings with --pass 1:\n"
" --no-8x8dct --me dia --partitions none\n"
" --ref 1 --subme {2 if >2 else unchanged}\n"
" --trellis 0 --fast-pskip\n" );
else H1( " --slow-firstpass Don't force faster settings with --pass 1\n" );
H0( "\n" );
H0( "Frame-type options:\n" );
H0( "\n" );
H0( " -I, --keyint <integer or \"infinite\"> Maximum GOP size [%d]\n", defaults->i_keyint_max );
H2( " -i, --min-keyint <integer> Minimum GOP size [auto]\n" );
H2( " --no-scenecut Disable adaptive I-frame decision\n" );
H2( " --scenecut <integer> How aggressively to insert extra I-frames [%d]\n", defaults->i_scenecut_threshold );
H2( " --intra-refresh Use Periodic Intra Refresh instead of IDR frames\n" );
H1( " -b, --bframes <integer> Number of B-frames between I and P [%d]\n", defaults->i_bframe );
H1( " --b-adapt <integer> Adaptive B-frame decision method [%d]\n"
" Higher values may lower threading efficiency.\n"
" - 0: Disabled\n"
" - 1: Fast\n"
" - 2: Optimal (slow with high --bframes)\n", defaults->i_bframe_adaptive );
H2( " --b-bias <integer> Influences how often B-frames are used [%d]\n", defaults->i_bframe_bias );
H1( " --b-pyramid <string> Keep some B-frames as references [%s]\n"
" - none: Disabled\n"
" - strict: Strictly hierarchical pyramid\n"
" - normal: Non-strict (not Blu-ray compatible)\n",
strtable_lookup( x264_b_pyramid_names, defaults->i_bframe_pyramid ) );
H1( " --open-gop Use recovery points to close GOPs\n"
" Only available with b-frames\n" );
H1( " --no-cabac Disable CABAC\n" );
H1( " -r, --ref <integer> Number of reference frames [%d]\n", defaults->i_frame_reference );
H1( " --no-deblock Disable loop filter\n" );
H1( " -f, --deblock <alpha:beta> Loop filter parameters [%d:%d]\n",
defaults->i_deblocking_filter_alphac0, defaults->i_deblocking_filter_beta );
H2( " --slices <integer> Number of slices per frame; forces rectangular\n"
" slices and is overridden by other slicing options\n" );
else H1( " --slices <integer> Number of slices per frame\n" );
H2( " --slices-max <integer> Absolute maximum slices per frame; overrides\n"
" slice-max-size/slice-max-mbs when necessary\n" );
H2( " --slice-max-size <integer> Limit the size of each slice in bytes\n");
H2( " --slice-max-mbs <integer> Limit the size of each slice in macroblocks (max)\n");
H2( " --slice-min-mbs <integer> Limit the size of each slice in macroblocks (min)\n");
H0( " --tff Enable interlaced mode (top field first)\n" );
H0( " --bff Enable interlaced mode (bottom field first)\n" );
H2( " --constrained-intra Enable constrained intra prediction.\n" );
H0( " --pulldown <string> Use soft pulldown to change frame rate\n"
" - %s (requires cfr input)\n", stringify_names( buf, x264_pulldown_names ) );
H2( " --fake-interlaced Flag stream as interlaced but encode progressive.\n"
" Makes it possible to encode 25p and 30p Blu-Ray\n"
" streams. Ignored in interlaced mode.\n" );
H2( " --frame-packing <integer> For stereoscopic videos define frame arrangement\n"
" - 0: checkerboard - pixels are alternatively from L and R\n"
" - 1: column alternation - L and R are interlaced by column\n"
" - 2: row alternation - L and R are interlaced by row\n"
" - 3: side by side - L is on the left, R on the right\n"
" - 4: top bottom - L is on top, R on bottom\n"
" - 5: frame alternation - one view per frame\n"
" - 6: mono - 2D frame without any frame packing\n"
" - 7: tile format - L is on top-left, R split across\n" );
H0( "\n" );
H0( "Ratecontrol:\n" );
H0( "\n" );
H1( " -q, --qp <integer> Force constant QP (0-%d, 0=lossless)\n", QP_MAX );
H0( " -B, --bitrate <integer> Set bitrate (kbit/s)\n" );
H0( " --crf <float> Quality-based VBR (%d-51) [%.1f]\n", 51 - QP_MAX_SPEC, defaults->rc.f_rf_constant );
H1( " --rc-lookahead <integer> Number of frames for frametype lookahead [%d]\n", defaults->rc.i_lookahead );
H0( " --vbv-maxrate <integer> Max local bitrate (kbit/s) [%d]\n", defaults->rc.i_vbv_max_bitrate );
H0( " --vbv-bufsize <integer> Set size of the VBV buffer (kbit) [%d]\n", defaults->rc.i_vbv_buffer_size );
H2( " --vbv-init <float> Initial VBV buffer occupancy [%.1f]\n", defaults->rc.f_vbv_buffer_init );
H2( " --crf-max <float> With CRF+VBV, limit RF to this value\n"
" May cause VBV underflows!\n" );
H2( " --qpmin <integer> Set min QP [%d]\n", defaults->rc.i_qp_min );
H2( " --qpmax <integer> Set max QP [%d]\n", X264_MIN( defaults->rc.i_qp_max, QP_MAX ) );
H2( " --qpstep <integer> Set max QP step [%d]\n", defaults->rc.i_qp_step );
H2( " --ratetol <float> Tolerance of ABR ratecontrol and VBV [%.1f]\n", defaults->rc.f_rate_tolerance );
H2( " --ipratio <float> QP factor between I and P [%.2f]\n", defaults->rc.f_ip_factor );
H2( " --pbratio <float> QP factor between P and B [%.2f]\n", defaults->rc.f_pb_factor );
H2( " --chroma-qp-offset <integer> QP difference between chroma and luma [%d]\n", defaults->analyse.i_chroma_qp_offset );
H2( " --aq-mode <integer> AQ method [%d]\n"
" - 0: Disabled\n"
" - 1: Variance AQ (complexity mask)\n"
" - 2: Auto-variance AQ\n"
" - 3: Auto-variance AQ with bias to dark scenes\n", defaults->rc.i_aq_mode );
H1( " --aq-strength <float> Reduces blocking and blurring in flat and\n"
" textured areas. [%.1f]\n", defaults->rc.f_aq_strength );
H1( "\n" );
H0( " -p, --pass <integer> Enable multipass ratecontrol\n"
" - 1: First pass, creates stats file\n"
" - 2: Last pass, does not overwrite stats file\n" );
H2( " - 3: Nth pass, overwrites stats file\n" );
H1( " --stats <string> Filename for 2 pass stats [\"%s\"]\n", defaults->rc.psz_stat_out );
H2( " --no-mbtree Disable mb-tree ratecontrol.\n");
H2( " --qcomp <float> QP curve compression [%.2f]\n", defaults->rc.f_qcompress );
H2( " --cplxblur <float> Reduce fluctuations in QP (before curve compression) [%.1f]\n", defaults->rc.f_complexity_blur );
H2( " --qblur <float> Reduce fluctuations in QP (after curve compression) [%.1f]\n", defaults->rc.f_qblur );
H2( " --zones <zone0>/<zone1>/... Tweak the bitrate of regions of the video\n" );
H2( " Each zone is of the form\n"
" <start frame>,<end frame>,<option>\n"
" where <option> is either\n"
" q=<integer> (force QP)\n"
" or b=<float> (bitrate multiplier)\n" );
H2( " --qpfile <string> Force frametypes and QPs for some or all frames\n"
" Format of each line: framenumber frametype QP\n"
" QP is optional (none lets x264 choose). Frametypes: I,i,K,P,B,b.\n"
" K=<I or i> depending on open-gop setting\n"
" QPs are restricted by qpmin/qpmax.\n" );
H1( "\n" );
H1( "Analysis:\n" );
H1( "\n" );
H1( " -A, --partitions <string> Partitions to consider [\"p8x8,b8x8,i8x8,i4x4\"]\n"
" - %s\n"
" (p4x4 requires p8x8. i8x8 requires --8x8dct.)\n", stringify_names( buf, x264_partition_names ) );
H1( " --direct <string> Direct MV prediction mode [\"%s\"]\n"
" - none, spatial, temporal, auto\n",
strtable_lookup( x264_direct_pred_names, defaults->analyse.i_direct_mv_pred ) );
H2( " --no-weightb Disable weighted prediction for B-frames\n" );
H1( " --weightp <integer> Weighted prediction for P-frames [%d]\n"
" - 0: Disabled\n"
" - 1: Weighted refs\n"
" - 2: Weighted refs + Duplicates\n", defaults->analyse.i_weighted_pred );
H1( " --me <string> Integer pixel motion estimation method [\"%s\"]\n",
strtable_lookup( x264_motion_est_names, defaults->analyse.i_me_method ) );
H2( " - dia: diamond search, radius 1 (fast)\n"
" - hex: hexagonal search, radius 2\n"
" - umh: uneven multi-hexagon search\n"
" - esa: exhaustive search\n"
" - tesa: hadamard exhaustive search (slow)\n" );
else H1( " - dia, hex, umh\n" );
H2( " --merange <integer> Maximum motion vector search range [%d]\n", defaults->analyse.i_me_range );
H2( " --mvrange <integer> Maximum motion vector length [-1 (auto)]\n" );
H2( " --mvrange-thread <int> Minimum buffer between threads [-1 (auto)]\n" );
H1( " -m, --subme <integer> Subpixel motion estimation and mode decision [%d]\n", defaults->analyse.i_subpel_refine );
H2( " - 0: fullpel only (not recommended)\n"
" - 1: SAD mode decision, one qpel iteration\n"
" - 2: SATD mode decision\n"
" - 3-5: Progressively more qpel\n"
" - 6: RD mode decision for I/P-frames\n"
" - 7: RD mode decision for all frames\n"
" - 8: RD refinement for I/P-frames\n"
" - 9: RD refinement for all frames\n"
" - 10: QP-RD - requires trellis=2, aq-mode>0\n"
" - 11: Full RD: disable all early terminations\n" );
else H1( " decision quality: 1=fast, 11=best\n" );
H1( " --psy-rd <float:float> Strength of psychovisual optimization [\"%.1f:%.1f\"]\n"
" #1: RD (requires subme>=6)\n"
" #2: Trellis (requires trellis, experimental)\n",
defaults->analyse.f_psy_rd, defaults->analyse.f_psy_trellis );
H2( " --no-psy Disable all visual optimizations that worsen\n"
" both PSNR and SSIM.\n" );
H2( " --no-mixed-refs Don't decide references on a per partition basis\n" );
H2( " --no-chroma-me Ignore chroma in motion estimation\n" );
H1( " --no-8x8dct Disable adaptive spatial transform size\n" );
H1( " -t, --trellis <integer> Trellis RD quantization. [%d]\n"
" - 0: disabled\n"
" - 1: enabled only on the final encode of a MB\n"
" - 2: enabled on all mode decisions\n", defaults->analyse.i_trellis );
H2( " --no-fast-pskip Disables early SKIP detection on P-frames\n" );
H2( " --no-dct-decimate Disables coefficient thresholding on P-frames\n" );
H1( " --nr <integer> Noise reduction [%d]\n", defaults->analyse.i_noise_reduction );
H2( "\n" );
H2( " --deadzone-inter <int> Set the size of the inter luma quantization deadzone [%d]\n", defaults->analyse.i_luma_deadzone[0] );
H2( " --deadzone-intra <int> Set the size of the intra luma quantization deadzone [%d]\n", defaults->analyse.i_luma_deadzone[1] );
H2( " Deadzones should be in the range 0 - 32.\n" );
H2( " --cqm <string> Preset quant matrices [\"%s\"]\n"
" - %s\n", x264_cqm_names[0], stringify_names( buf, x264_cqm_names ) );
H1( " --cqmfile <string> Read custom quant matrices from a JM-compatible file\n" );
H2( " Overrides any other --cqm* options.\n" );
H2( " --cqm4 <list> Set all 4x4 quant matrices\n"
" Takes a comma-separated list of 16 integers.\n" );
H2( " --cqm8 <list> Set all 8x8 quant matrices\n"
" Takes a comma-separated list of 64 integers.\n" );
H2( " --cqm4i, --cqm4p, --cqm8i, --cqm8p <list>\n"
" Set both luma and chroma quant matrices\n" );
H2( " --cqm4iy, --cqm4ic, --cqm4py, --cqm4pc <list>\n"
" Set individual quant matrices\n" );
H2( "\n" );
H2( "Video Usability Info (Annex E):\n" );
H2( "The VUI settings are not used by the encoder but are merely suggestions to\n" );
H2( "the playback equipment. See doc/vui.txt for details. Use at your own risk.\n" );
H2( "\n" );
H2( " --overscan <string> Specify crop overscan setting [\"%s\"]\n"
" - undef, show, crop\n",
strtable_lookup( x264_overscan_names, defaults->vui.i_overscan ) );
H2( " --videoformat <string> Specify video format [\"%s\"]\n"
" - component, pal, ntsc, secam, mac, undef\n",
strtable_lookup( x264_vidformat_names, defaults->vui.i_vidformat ) );
H2( " --range <string> Specify color range [\"%s\"]\n"
" - %s\n", x264_range_names[0], stringify_names( buf, x264_range_names ) );
H2( " --colorprim <string> Specify color primaries [\"%s\"]\n"
" - undef, bt709, bt470m, bt470bg, smpte170m,\n"
" smpte240m, film, bt2020, smpte428,\n"
" smpte431, smpte432\n",
strtable_lookup( x264_colorprim_names, defaults->vui.i_colorprim ) );
H2( " --transfer <string> Specify transfer characteristics [\"%s\"]\n"
" - undef, bt709, bt470m, bt470bg, smpte170m,\n"
" smpte240m, linear, log100, log316,\n"
" iec61966-2-4, bt1361e, iec61966-2-1,\n"
" bt2020-10, bt2020-12, smpte2084, smpte428,\n"
" arib-std-b67\n",
strtable_lookup( x264_transfer_names, defaults->vui.i_transfer ) );
H2( " --colormatrix <string> Specify color matrix setting [\"%s\"]\n"
" - undef, bt709, fcc, bt470bg, smpte170m,\n"
" smpte240m, GBR, YCgCo, bt2020nc, bt2020c,\n"
" smpte2085, chroma-derived-nc,\n"
" chroma-derived-c, ICtCp\n",
strtable_lookup( x264_colmatrix_names, defaults->vui.i_colmatrix ) );
H2( " --chromaloc <integer> Specify chroma sample location (0 to 5) [%d]\n",
defaults->vui.i_chroma_loc );
H2( " --mastering-display <string> Specify 'G(x,y)B(x,y)R(x,y)WP(x,y)L(max,min)'\n"
" for primaries, white point, and display brightness\n" );
H2( " --cll <string> Specify 'max_content,max_frame_average' content\n"
" light levels\n" );
H2( " --alternative-transfer <string> Specify an alternative transfer\n"
" characteristics [\"%s\"]\n"
" - same values as --transfer\n",
strtable_lookup( x264_transfer_names, defaults->i_alternative_transfer ) );
H2( " --nal-hrd <string> Signal HRD information (requires vbv-bufsize)\n"
" - none, vbr, cbr (cbr not allowed in .mp4)\n" );
H2( " --filler Force hard-CBR and generate filler (implied by\n"
" --nal-hrd cbr)\n" );
H2( " --pic-struct Force pic_struct in Picture Timing SEI\n" );
H2( " --crop-rect <string> Add 'left,top,right,bottom' to the bitstream-level\n"
" cropping rectangle\n" );
H0( "\n" );
H0( "Input/Output:\n" );
H0( "\n" );
H0( " -o, --output <string> Specify output file\n" );
H1( " --muxer <string> Specify output container format [\"%s\"]\n"
" - %s\n", x264_muxer_names[0], stringify_names( buf, x264_muxer_names ) );
H1( " --demuxer <string> Specify input container format [\"%s\"]\n"
" - %s\n", x264_demuxer_names[0], stringify_names( buf, x264_demuxer_names ) );
H1( " --input-fmt <string> Specify input file format (requires lavf support)\n" );
H1( " --input-csp <string> Specify input colorspace format for raw input\n" );
print_csp_names( longhelp );
H1( " --output-csp <string> Specify output colorspace [\"%s\"]\n"
" - %s\n",
#if X264_CHROMA_FORMAT
x264_output_csp_names[0],
#else
"i420",
#endif
stringify_names( buf, x264_output_csp_names ) );
H1( " --input-depth <integer> Specify input bit depth for raw input\n" );
H1( " --output-depth <integer> Specify output bit depth\n" );
H1( " --input-range <string> Specify input color range [\"%s\"]\n"
" - %s\n", x264_range_names[0], stringify_names( buf, x264_range_names ) );
H1( " --input-res <intxint> Specify input resolution (width x height)\n" );
H1( " --index <string> Filename for input index file\n" );
H0( " --sar width:height Specify Sample Aspect Ratio\n" );
H0( " --fps <float|rational> Specify framerate\n" );
H0( " --seek <integer> First frame to encode\n" );
H0( " --frames <integer> Maximum number of frames to encode\n" );
H0( " --level <string> Specify level (as defined by Annex A)\n" );
H1( " --bluray-compat Enable compatibility hacks for Blu-ray support\n" );
H1( " --avcintra-class <integer> Use compatibility hacks for AVC-Intra class\n"
" - %s\n", stringify_names( buf, x264_avcintra_class_names ) );
H1( " --avcintra-flavor <string> AVC-Intra flavor [\"%s\"]\n"
" - %s\n", x264_avcintra_flavor_names[0], stringify_names( buf, x264_avcintra_flavor_names ) );
H1( " --stitchable Don't optimize headers based on video content\n"
" Ensures ability to recombine a segmented encode\n" );
H1( "\n" );
H1( " -v, --verbose Print stats for each frame\n" );
H1( " --no-progress Don't show the progress indicator while encoding\n" );
H0( " --quiet Quiet Mode\n" );
H1( " --log-level <string> Specify the maximum level of logging [\"%s\"]\n"
" - %s\n", strtable_lookup( x264_log_level_names, cli_log_level - X264_LOG_NONE ),
stringify_names( buf, x264_log_level_names ) );
H1( " --psnr Enable PSNR computation\n" );
H1( " --ssim Enable SSIM computation\n" );
H1( " --threads <integer> Force a specific number of threads\n" );
H2( " --lookahead-threads <integer> Force a specific number of lookahead threads\n" );
H2( " --sliced-threads Low-latency but lower-efficiency threading\n" );
H2( " --thread-input Run Avisynth in its own thread\n" );
H2( " --sync-lookahead <integer> Number of buffer frames for threaded lookahead\n" );
H2( " --non-deterministic Slightly improve quality of SMP, at the cost of repeatability\n" );
H2( " --cpu-independent Ensure exact reproducibility across different cpus,\n"
" as opposed to letting them select different algorithms\n" );
H2( " --asm <integer> Override CPU detection\n" );
H2( " --no-asm Disable all CPU optimizations\n" );
H2( " --opencl Enable use of OpenCL\n" );
H2( " --opencl-clbin <string> Specify path of compiled OpenCL kernel cache\n" );
H2( " --opencl-device <integer> Specify OpenCL device ordinal\n" );
H2( " --dump-yuv <string> Save reconstructed frames\n" );
H2( " --sps-id <integer> Set SPS and PPS id numbers [%d]\n", defaults->i_sps_id );
H2( " --aud Use access unit delimiters\n" );
H2( " --force-cfr Force constant framerate timestamp generation\n" );
H2( " --tcfile-in <string> Force timestamp generation with timecode file\n" );
H2( " --tcfile-out <string> Output timecode v2 file from input timestamps\n" );
H2( " --timebase <int/int> Specify timebase numerator and denominator\n"
" <integer> Specify timebase numerator for input timecode file\n"
" or specify timebase denominator for other input\n" );
H2( " --dts-compress Eliminate initial delay with container DTS hack\n" );
H0( "\n" );
H0( "Filtering:\n" );
H0( "\n" );
H0( " --vf, --video-filter <filter0>/<filter1>/... Apply video filtering to the input file\n" );
H0( "\n" );
H0( " Filter options may be specified in <filter>:<option>=<value> format.\n" );
H0( "\n" );
H0( " Available filters:\n" );
x264_register_vid_filters();
x264_vid_filter_help( longhelp );
H0( "\n" );
}
typedef enum
{
OPT_FRAMES = 256,
OPT_SEEK,
OPT_QPFILE,
OPT_THREAD_INPUT,
OPT_QUIET,
OPT_NOPROGRESS,
OPT_LONGHELP,
OPT_PROFILE,
OPT_PRESET,
OPT_TUNE,
OPT_SLOWFIRSTPASS,
OPT_FULLHELP,
OPT_FPS,
OPT_MUXER,
OPT_DEMUXER,
OPT_INDEX,
OPT_INTERLACED,
OPT_TCFILE_IN,
OPT_TCFILE_OUT,
OPT_TIMEBASE,
OPT_PULLDOWN,
OPT_LOG_LEVEL,
OPT_VIDEO_FILTER,
OPT_INPUT_FMT,
OPT_INPUT_RES,
OPT_INPUT_CSP,
OPT_INPUT_DEPTH,
OPT_OUTPUT_DEPTH,
OPT_DTS_COMPRESSION,
OPT_OUTPUT_CSP,
OPT_INPUT_RANGE,
OPT_RANGE
} OptionsOPT;
static char short_options[] = "8A:B:b:f:hI:i:m:o:p:q:r:t:Vvw";
static struct option long_options[] =
{
{ "help", no_argument, NULL, 'h' },
{ "longhelp", no_argument, NULL, OPT_LONGHELP },
{ "fullhelp", no_argument, NULL, OPT_FULLHELP },
{ "version", no_argument, NULL, 'V' },
{ "profile", required_argument, NULL, OPT_PROFILE },
{ "preset", required_argument, NULL, OPT_PRESET },
{ "tune", required_argument, NULL, OPT_TUNE },
{ "slow-firstpass", no_argument, NULL, OPT_SLOWFIRSTPASS },
{ "bitrate", required_argument, NULL, 'B' },
{ "bframes", required_argument, NULL, 'b' },
{ "b-adapt", required_argument, NULL, 0 },
{ "no-b-adapt", no_argument, NULL, 0 },
{ "b-bias", required_argument, NULL, 0 },
{ "b-pyramid", required_argument, NULL, 0 },
{ "open-gop", no_argument, NULL, 0 },
{ "bluray-compat", no_argument, NULL, 0 },
{ "avcintra-class", required_argument, NULL, 0 },
{ "avcintra-flavor", required_argument, NULL, 0 },
{ "min-keyint", required_argument, NULL, 'i' },
{ "keyint", required_argument, NULL, 'I' },
{ "intra-refresh", no_argument, NULL, 0 },
{ "scenecut", required_argument, NULL, 0 },
{ "no-scenecut", no_argument, NULL, 0 },
{ "nf", no_argument, NULL, 0 },
{ "no-deblock", no_argument, NULL, 0 },
{ "filter", required_argument, NULL, 0 },
{ "deblock", required_argument, NULL, 'f' },
{ "interlaced", no_argument, NULL, OPT_INTERLACED },
{ "tff", no_argument, NULL, OPT_INTERLACED },
{ "bff", no_argument, NULL, OPT_INTERLACED },
{ "no-interlaced", no_argument, NULL, OPT_INTERLACED },
{ "constrained-intra", no_argument, NULL, 0 },
{ "cabac", no_argument, NULL, 0 },
{ "no-cabac", no_argument, NULL, 0 },
{ "qp", required_argument, NULL, 'q' },
{ "qpmin", required_argument, NULL, 0 },
{ "qpmax", required_argument, NULL, 0 },
{ "qpstep", required_argument, NULL, 0 },
{ "crf", required_argument, NULL, 0 },
{ "rc-lookahead", required_argument, NULL, 0 },
{ "ref", required_argument, NULL, 'r' },
{ "asm", required_argument, NULL, 0 },
{ "no-asm", no_argument, NULL, 0 },
{ "opencl", no_argument, NULL, 1 },
{ "opencl-clbin", required_argument, NULL, 0 },
{ "opencl-device", required_argument, NULL, 0 },
{ "sar", required_argument, NULL, 0 },
{ "fps", required_argument, NULL, OPT_FPS },
{ "frames", required_argument, NULL, OPT_FRAMES },
{ "seek", required_argument, NULL, OPT_SEEK },
{ "output", required_argument, NULL, 'o' },
{ "muxer", required_argument, NULL, OPT_MUXER },
{ "demuxer", required_argument, NULL, OPT_DEMUXER },
{ "stdout", required_argument, NULL, OPT_MUXER },
{ "stdin", required_argument, NULL, OPT_DEMUXER },
{ "index", required_argument, NULL, OPT_INDEX },
{ "analyse", required_argument, NULL, 0 },
{ "partitions", required_argument, NULL, 'A' },
{ "direct", required_argument, NULL, 0 },
{ "weightb", no_argument, NULL, 'w' },
{ "no-weightb", no_argument, NULL, 0 },
{ "weightp", required_argument, NULL, 0 },
{ "me", required_argument, NULL, 0 },
{ "merange", required_argument, NULL, 0 },
{ "mvrange", required_argument, NULL, 0 },
{ "mvrange-thread", required_argument, NULL, 0 },
{ "subme", required_argument, NULL, 'm' },
{ "psy-rd", required_argument, NULL, 0 },
{ "no-psy", no_argument, NULL, 0 },
{ "psy", no_argument, NULL, 0 },
{ "mixed-refs", no_argument, NULL, 0 },
{ "no-mixed-refs", no_argument, NULL, 0 },
{ "no-chroma-me", no_argument, NULL, 0 },
{ "8x8dct", no_argument, NULL, '8' },
{ "no-8x8dct", no_argument, NULL, 0 },
{ "trellis", required_argument, NULL, 't' },
{ "fast-pskip", no_argument, NULL, 0 },
{ "no-fast-pskip", no_argument, NULL, 0 },
{ "no-dct-decimate", no_argument, NULL, 0 },
{ "aq-strength", required_argument, NULL, 0 },
{ "aq-mode", required_argument, NULL, 0 },
{ "deadzone-inter", required_argument, NULL, 0 },
{ "deadzone-intra", required_argument, NULL, 0 },
{ "level", required_argument, NULL, 0 },
{ "ratetol", required_argument, NULL, 0 },
{ "vbv-maxrate", required_argument, NULL, 0 },
{ "vbv-bufsize", required_argument, NULL, 0 },
{ "vbv-init", required_argument, NULL, 0 },
{ "crf-max", required_argument, NULL, 0 },
{ "ipratio", required_argument, NULL, 0 },
{ "pbratio", required_argument, NULL, 0 },
{ "chroma-qp-offset", required_argument, NULL, 0 },
{ "pass", required_argument, NULL, 'p' },
{ "stats", required_argument, NULL, 0 },
{ "qcomp", required_argument, NULL, 0 },
{ "mbtree", no_argument, NULL, 0 },
{ "no-mbtree", no_argument, NULL, 0 },
{ "qblur", required_argument, NULL, 0 },
{ "cplxblur", required_argument, NULL, 0 },
{ "zones", required_argument, NULL, 0 },
{ "qpfile", required_argument, NULL, OPT_QPFILE },
{ "threads", required_argument, NULL, 0 },
{ "lookahead-threads", required_argument, NULL, 0 },
{ "sliced-threads", no_argument, NULL, 0 },
{ "no-sliced-threads", no_argument, NULL, 0 },
{ "slice-max-size", required_argument, NULL, 0 },
{ "slice-max-mbs", required_argument, NULL, 0 },
{ "slice-min-mbs", required_argument, NULL, 0 },
{ "slices", required_argument, NULL, 0 },
{ "slices-max", required_argument, NULL, 0 },
{ "thread-input", no_argument, NULL, OPT_THREAD_INPUT },
{ "sync-lookahead", required_argument, NULL, 0 },
{ "non-deterministic", no_argument, NULL, 0 },
{ "cpu-independent", no_argument, NULL, 0 },
{ "psnr", no_argument, NULL, 0 },
{ "ssim", no_argument, NULL, 0 },
{ "quiet", no_argument, NULL, OPT_QUIET },
{ "verbose", no_argument, NULL, 'v' },
{ "log-level", required_argument, NULL, OPT_LOG_LEVEL },
{ "no-progress", no_argument, NULL, OPT_NOPROGRESS },
{ "dump-yuv", required_argument, NULL, 0 },
{ "sps-id", required_argument, NULL, 0 },
{ "aud", no_argument, NULL, 0 },
{ "nr", required_argument, NULL, 0 },
{ "cqm", required_argument, NULL, 0 },
{ "cqmfile", required_argument, NULL, 0 },
{ "cqm4", required_argument, NULL, 0 },
{ "cqm4i", required_argument, NULL, 0 },
{ "cqm4iy", required_argument, NULL, 0 },
{ "cqm4ic", required_argument, NULL, 0 },
{ "cqm4p", required_argument, NULL, 0 },
{ "cqm4py", required_argument, NULL, 0 },
{ "cqm4pc", required_argument, NULL, 0 },
{ "cqm8", required_argument, NULL, 0 },
{ "cqm8i", required_argument, NULL, 0 },
{ "cqm8p", required_argument, NULL, 0 },
{ "overscan", required_argument, NULL, 0 },
{ "videoformat", required_argument, NULL, 0 },
{ "range", required_argument, NULL, OPT_RANGE },
{ "colorprim", required_argument, NULL, 0 },
{ "transfer", required_argument, NULL, 0 },
{ "colormatrix", required_argument, NULL, 0 },
{ "chromaloc", required_argument, NULL, 0 },
{ "force-cfr", no_argument, NULL, 0 },
{ "tcfile-in", required_argument, NULL, OPT_TCFILE_IN },
{ "tcfile-out", required_argument, NULL, OPT_TCFILE_OUT },
{ "timebase", required_argument, NULL, OPT_TIMEBASE },
{ "pic-struct", no_argument, NULL, 0 },
{ "crop-rect", required_argument, NULL, 0 },
{ "nal-hrd", required_argument, NULL, 0 },
{ "pulldown", required_argument, NULL, OPT_PULLDOWN },
{ "fake-interlaced", no_argument, NULL, 0 },
{ "frame-packing", required_argument, NULL, 0 },
{ "mastering-display", required_argument, NULL, 0 },
{ "cll", required_argument, NULL, 0 },
{ "alternative-transfer", required_argument, NULL, 0 },
{ "vf", required_argument, NULL, OPT_VIDEO_FILTER },
{ "video-filter", required_argument, NULL, OPT_VIDEO_FILTER },
{ "input-fmt", required_argument, NULL, OPT_INPUT_FMT },
{ "input-res", required_argument, NULL, OPT_INPUT_RES },
{ "input-csp", required_argument, NULL, OPT_INPUT_CSP },
{ "input-depth", required_argument, NULL, OPT_INPUT_DEPTH },
{ "output-depth", required_argument, NULL, OPT_OUTPUT_DEPTH },
{ "dts-compress", no_argument, NULL, OPT_DTS_COMPRESSION },
{ "output-csp", required_argument, NULL, OPT_OUTPUT_CSP },
{ "input-range", required_argument, NULL, OPT_INPUT_RANGE },
{ "stitchable", no_argument, NULL, 0 },
{ "filler", no_argument, NULL, 0 },
{ NULL, 0, NULL, 0 }
};
static int select_output( const char *muxer, char *filename, x264_param_t *param )
{
const char *ext = get_filename_extension( filename );
if( !strcmp( filename, "-" ) || strcasecmp( muxer, "auto" ) )
ext = muxer;
if( !strcasecmp( ext, "mp4" ) )
{
#if HAVE_GPAC || HAVE_LSMASH
cli_output = mp4_output;
param->b_annexb = 0;
param->b_repeat_headers = 0;
if( param->i_nal_hrd == X264_NAL_HRD_CBR )
{
x264_cli_log( "x264", X264_LOG_WARNING, "cbr nal-hrd is not compatible with mp4\n" );
param->i_nal_hrd = X264_NAL_HRD_VBR;
}
#else
x264_cli_log( "x264", X264_LOG_ERROR, "not compiled with MP4 output support\n" );
return -1;
#endif
}
else if( !strcasecmp( ext, "mkv" ) )
{
cli_output = mkv_output;
param->b_annexb = 0;
param->b_repeat_headers = 0;
}
else if( !strcasecmp( ext, "flv" ) )
{
cli_output = flv_output;
param->b_annexb = 0;
param->b_repeat_headers = 0;
}
else
cli_output = raw_output;
return 0;
}
static int select_input( const char *demuxer, char *used_demuxer, char *filename,
hnd_t *p_handle, video_info_t *info, cli_input_opt_t *opt )
{
int b_auto = !strcasecmp( demuxer, "auto" );
const char *ext = b_auto ? get_filename_extension( filename ) : "";
int b_regular = strcmp( filename, "-" );
if( !b_regular && b_auto )
ext = "raw";
b_regular = b_regular && x264_is_regular_file_path( filename );
if( b_regular )
{
FILE *f = x264_fopen( filename, "r" );
if( f )
{
b_regular = x264_is_regular_file( f );
fclose( f );
}
}
const char *module = b_auto ? ext : demuxer;
if( !strcasecmp( module, "avs" ) || !strcasecmp( ext, "d2v" ) || !strcasecmp( ext, "dga" ) )
{
#if HAVE_AVS
cli_input = avs_input;
module = "avs";
#else
x264_cli_log( "x264", X264_LOG_ERROR, "not compiled with AVS input support\n" );
return -1;
#endif
}
else if( !strcasecmp( module, "y4m" ) )
cli_input = y4m_input;
else if( !strcasecmp( module, "raw" ) || !strcasecmp( ext, "yuv" ) )
cli_input = raw_input;
else
{
#if HAVE_FFMS
if( b_regular && (b_auto || !strcasecmp( demuxer, "ffms" )) &&
!ffms_input.open_file( filename, p_handle, info, opt ) )
{
module = "ffms";
b_auto = 0;
cli_input = ffms_input;
}
#endif
#if HAVE_LAVF
if( (b_auto || !strcasecmp( demuxer, "lavf" )) &&
!lavf_input.open_file( filename, p_handle, info, opt ) )
{
module = "lavf";
b_auto = 0;
cli_input = lavf_input;
}
#endif
#if HAVE_AVS
if( b_regular && (b_auto || !strcasecmp( demuxer, "avs" )) &&
!avs_input.open_file( filename, p_handle, info, opt ) )
{
module = "avs";
b_auto = 0;
cli_input = avs_input;
}
#endif
if( b_auto && !raw_input.open_file( filename, p_handle, info, opt ) )
{
module = "raw";
b_auto = 0;
cli_input = raw_input;
}
FAIL_IF_ERROR( !(*p_handle), "could not open input file `%s' via any method!\n", filename );
}
strcpy( used_demuxer, module );
return 0;
}
static int init_vid_filters( char *sequence, hnd_t *handle, video_info_t *info, x264_param_t *param, int output_csp )
{
x264_register_vid_filters();
/* initialize baseline filters */
if( x264_init_vid_filter( "source", handle, &filter, info, param, NULL ) ) /* wrap demuxer into a filter */
return -1;
if( x264_init_vid_filter( "resize", handle, &filter, info, param, "normcsp" ) ) /* normalize csps to be of a known/supported format */
return -1;
if( x264_init_vid_filter( "fix_vfr_pts", handle, &filter, info, param, NULL ) ) /* fix vfr pts */
return -1;
/* parse filter chain */
for( char *p = sequence; p && *p; )
{
int tok_len = strcspn( p, "/" );
int p_len = strlen( p );
p[tok_len] = 0;
int name_len = strcspn( p, ":" );
p[name_len] = 0;
name_len += name_len != tok_len;
if( x264_init_vid_filter( p, handle, &filter, info, param, p + name_len ) )
return -1;
p += X264_MIN( tok_len+1, p_len );
}
/* force end result resolution */
if( !param->i_width && !param->i_height )
{
param->i_height = info->height;
param->i_width = info->width;
}
/* force the output csp to what the user specified (or the default) */
param->i_csp = info->csp;
int csp = info->csp & X264_CSP_MASK;
if( output_csp == X264_CSP_I400 && csp != X264_CSP_I400 )
param->i_csp = X264_CSP_I400;
else if( output_csp == X264_CSP_I420 && (csp < X264_CSP_I420 || csp >= X264_CSP_I422) )
param->i_csp = X264_CSP_I420;
else if( output_csp == X264_CSP_I422 && (csp < X264_CSP_I422 || csp >= X264_CSP_I444) )
param->i_csp = X264_CSP_I422;
else if( output_csp == X264_CSP_I444 && (csp < X264_CSP_I444 || csp >= X264_CSP_BGR) )
param->i_csp = X264_CSP_I444;
else if( output_csp == X264_CSP_RGB && (csp < X264_CSP_BGR || csp > X264_CSP_RGB) )
param->i_csp = X264_CSP_RGB;
param->i_csp |= info->csp & X264_CSP_HIGH_DEPTH;
/* if the output range is not forced, assign it to the input one now */
if( param->vui.b_fullrange == RANGE_AUTO )
param->vui.b_fullrange = info->fullrange;
if( x264_init_vid_filter( "resize", handle, &filter, info, param, NULL ) )
return -1;
char args[20], name[20];
sprintf( args, "bit_depth=%d", param->i_bitdepth );
sprintf( name, "depth_%d", param->i_bitdepth );
if( x264_init_vid_filter( name, handle, &filter, info, param, args ) )
return -1;
return 0;
}
static int parse_enum_name( const char *arg, const char * const *names, const char **dst )
{
for( int i = 0; names[i]; i++ )
if( *names[i] && !strcasecmp( arg, names[i] ) )
{
*dst = names[i];
return 0;
}
return -1;
}
static int parse_enum_value( const char *arg, const char * const *names, int *dst )
{
for( int i = 0; names[i]; i++ )
if( *names[i] && !strcasecmp( arg, names[i] ) )
{
*dst = i;
return 0;
}
return -1;
}
static int parse( int argc, char **argv, x264_param_t *param, cli_opt_t *opt )
{
char *input_filename = NULL;
const char *demuxer = x264_demuxer_names[0];
char *output_filename = NULL;
const char *muxer = x264_muxer_names[0];
char *tcfile_name = NULL;
x264_param_t defaults;
char *profile = NULL;
char *vid_filters = NULL;
int b_thread_input = 0;
int b_turbo = 1;
int b_user_ref = 0;
int b_user_fps = 0;
int b_user_interlaced = 0;
cli_input_opt_t input_opt;
cli_output_opt_t output_opt;
char *preset = NULL;
char *tune = NULL;
/* Presets are applied before all other options. */
for( optind = 0;; )
{
int c = getopt_long( argc, argv, short_options, long_options, NULL );
if( c == -1 )
break;
if( c == OPT_PRESET )
preset = optarg;
if( c == OPT_TUNE )
tune = optarg;
else if( c == '?' )
return -1;
}
if( preset && !strcasecmp( preset, "placebo" ) )
b_turbo = 0;
if( (preset || tune) && x264_param_default_preset( param, preset, tune ) < 0 )
return -1;
x264_param_default( &defaults );
cli_log_level = defaults.i_log_level;
memset( &input_opt, 0, sizeof(cli_input_opt_t) );
memset( &output_opt, 0, sizeof(cli_output_opt_t) );
input_opt.bit_depth = 8;
input_opt.input_range = input_opt.output_range = param->vui.b_fullrange = RANGE_AUTO;
int output_csp = defaults.i_csp;
opt->b_progress = 1;
/* Parse command line options */
for( optind = 0;; )
{
int b_error = 0;
int long_options_index = -1;
int c = getopt_long( argc, argv, short_options, long_options, &long_options_index );
if( c == -1 )
{
break;
}
switch( c )
{
case 'h':
help( &defaults, 0 );
exit(0);
case OPT_LONGHELP:
help( &defaults, 1 );
exit(0);
case OPT_FULLHELP:
help( &defaults, 2 );
exit(0);
case 'V':
print_version_info();
exit(0);
case OPT_FRAMES:
param->i_frame_total = X264_MAX( atoi( optarg ), 0 );
break;
case OPT_SEEK:
opt->i_seek = X264_MAX( atoi( optarg ), 0 );
break;
case 'o':
output_filename = optarg;
break;
case OPT_MUXER:
FAIL_IF_ERROR( parse_enum_name( optarg, x264_muxer_names, &muxer ), "Unknown muxer `%s'\n", optarg );
break;
case OPT_DEMUXER:
FAIL_IF_ERROR( parse_enum_name( optarg, x264_demuxer_names, &demuxer ), "Unknown demuxer `%s'\n", optarg );
break;
case OPT_INDEX:
input_opt.index_file = optarg;
break;
case OPT_QPFILE:
opt->qpfile = x264_fopen( optarg, "rb" );
FAIL_IF_ERROR( !opt->qpfile, "can't open qpfile `%s'\n", optarg );
if( !x264_is_regular_file( opt->qpfile ) )
{
x264_cli_log( "x264", X264_LOG_ERROR, "qpfile incompatible with non-regular file `%s'\n", optarg );
fclose( opt->qpfile );
return -1;
}
break;
case OPT_THREAD_INPUT:
b_thread_input = 1;
break;
case OPT_QUIET:
cli_log_level = param->i_log_level = X264_LOG_NONE;
break;
case 'v':
cli_log_level = param->i_log_level = X264_LOG_DEBUG;
break;
case OPT_LOG_LEVEL:
if( !parse_enum_value( optarg, x264_log_level_names, &cli_log_level ) )
cli_log_level += X264_LOG_NONE;
else
cli_log_level = atoi( optarg );
param->i_log_level = cli_log_level;
break;
case OPT_NOPROGRESS:
opt->b_progress = 0;
break;
case OPT_TUNE:
case OPT_PRESET:
break;
case OPT_PROFILE:
profile = optarg;
break;
case OPT_SLOWFIRSTPASS:
b_turbo = 0;
break;
case 'r':
b_user_ref = 1;
goto generic_option;
case OPT_FPS:
b_user_fps = 1;
param->b_vfr_input = 0;
goto generic_option;
case OPT_INTERLACED:
b_user_interlaced = 1;
goto generic_option;
case OPT_TCFILE_IN:
tcfile_name = optarg;
break;
case OPT_TCFILE_OUT:
opt->tcfile_out = x264_fopen( optarg, "wb" );
FAIL_IF_ERROR( !opt->tcfile_out, "can't open `%s'\n", optarg );
break;
case OPT_TIMEBASE:
input_opt.timebase = optarg;
break;
case OPT_PULLDOWN:
FAIL_IF_ERROR( parse_enum_value( optarg, x264_pulldown_names, &opt->i_pulldown ), "Unknown pulldown `%s'\n", optarg );
break;
case OPT_VIDEO_FILTER:
vid_filters = optarg;
break;
case OPT_INPUT_FMT:
input_opt.format = optarg;
break;
case OPT_INPUT_RES:
input_opt.resolution = optarg;
break;
case OPT_INPUT_CSP:
input_opt.colorspace = optarg;
break;
case OPT_INPUT_DEPTH:
input_opt.bit_depth = atoi( optarg );
break;
case OPT_OUTPUT_DEPTH:
param->i_bitdepth = atoi( optarg );
break;
case OPT_DTS_COMPRESSION:
output_opt.use_dts_compress = 1;
break;
case OPT_OUTPUT_CSP:
FAIL_IF_ERROR( parse_enum_value( optarg, x264_output_csp_names, &output_csp ), "Unknown output csp `%s'\n", optarg );
// correct the parsed value to the libx264 csp value
#if X264_CHROMA_FORMAT
static const uint8_t output_csp_fix[] = { X264_CHROMA_FORMAT, X264_CSP_RGB };
#else
static const uint8_t output_csp_fix[] = { X264_CSP_I400, X264_CSP_I420, X264_CSP_I422, X264_CSP_I444, X264_CSP_RGB };
#endif
param->i_csp = output_csp = output_csp_fix[output_csp];
break;
case OPT_INPUT_RANGE:
FAIL_IF_ERROR( parse_enum_value( optarg, x264_range_names, &input_opt.input_range ), "Unknown input range `%s'\n", optarg );
input_opt.input_range += RANGE_AUTO;
break;
case OPT_RANGE:
FAIL_IF_ERROR( parse_enum_value( optarg, x264_range_names, &param->vui.b_fullrange ), "Unknown range `%s'\n", optarg );
input_opt.output_range = param->vui.b_fullrange += RANGE_AUTO;
break;
default:
generic_option:
{
if( long_options_index < 0 )
{
for( int i = 0; long_options[i].name; i++ )
if( long_options[i].val == c )
{
long_options_index = i;
break;
}
if( long_options_index < 0 )
{
/* getopt_long already printed an error message */
return -1;
}
}
b_error |= x264_param_parse( param, long_options[long_options_index].name, optarg );
}
}
if( b_error )
{
const char *name = long_options_index > 0 ? long_options[long_options_index].name : argv[optind-2];
x264_cli_log( "x264", X264_LOG_ERROR, "invalid argument: %s = %s\n", name, optarg );
return -1;
}
}
/* If first pass mode is used, apply faster settings. */
if( b_turbo )
x264_param_apply_fastfirstpass( param );
/* Apply profile restrictions. */
if( x264_param_apply_profile( param, profile ) < 0 )
return -1;
/* Get the file name */
FAIL_IF_ERROR( optind > argc - 1 || !output_filename, "No %s file. Run x264 --help for a list of options.\n",
optind > argc - 1 ? "input" : "output" );
if( select_output( muxer, output_filename, param ) )
return -1;
FAIL_IF_ERROR( cli_output.open_file( output_filename, &opt->hout, &output_opt ), "could not open output file `%s'\n", output_filename );
input_filename = argv[optind++];
video_info_t info = {0};
char demuxername[5];
/* set info flags to be overwritten by demuxer as necessary. */
info.csp = param->i_csp;
info.fps_num = param->i_fps_num;
info.fps_den = param->i_fps_den;
info.fullrange = input_opt.input_range == RANGE_PC;
info.interlaced = param->b_interlaced;
if( param->vui.i_sar_width > 0 && param->vui.i_sar_height > 0 )
{
info.sar_width = param->vui.i_sar_width;
info.sar_height = param->vui.i_sar_height;
}
info.tff = param->b_tff;
info.vfr = param->b_vfr_input;
input_opt.seek = opt->i_seek;
input_opt.progress = opt->b_progress;
input_opt.output_csp = output_csp;
if( select_input( demuxer, demuxername, input_filename, &opt->hin, &info, &input_opt ) )
return -1;
FAIL_IF_ERROR( !opt->hin && cli_input.open_file( input_filename, &opt->hin, &info, &input_opt ),
"could not open input file `%s'\n", input_filename );
x264_reduce_fraction( &info.sar_width, &info.sar_height );
x264_reduce_fraction( &info.fps_num, &info.fps_den );
x264_cli_log( demuxername, X264_LOG_INFO, "%dx%d%c %u:%u @ %u/%u fps (%cfr)\n", info.width,
info.height, info.interlaced ? 'i' : 'p', info.sar_width, info.sar_height,
info.fps_num, info.fps_den, info.vfr ? 'v' : 'c' );
FAIL_IF_ERROR( info.width <= 0 || info.height <= 0 ||
info.width > MAX_RESOLUTION || info.height > MAX_RESOLUTION,
"invalid width x height (%dx%d)\n", info.width, info.height );
if( tcfile_name )
{
FAIL_IF_ERROR( b_user_fps, "--fps + --tcfile-in is incompatible.\n" );
FAIL_IF_ERROR( timecode_input.open_file( tcfile_name, &opt->hin, &info, &input_opt ), "timecode input failed\n" );
cli_input = timecode_input;
}
else FAIL_IF_ERROR( !info.vfr && input_opt.timebase, "--timebase is incompatible with cfr input\n" );
/* init threaded input while the information about the input video is unaltered by filtering */
#if HAVE_THREAD
const cli_input_t *thread_input;
#if HAVE_BITDEPTH8
if( param->i_bitdepth == 8 )
thread_input = &thread_8_input;
else
#endif
#if HAVE_BITDEPTH10
if( param->i_bitdepth == 10 )
thread_input = &thread_10_input;
else
#endif
thread_input = NULL;
if( thread_input && info.thread_safe && (b_thread_input || param->i_threads > 1
|| (param->i_threads == X264_THREADS_AUTO && x264_cpu_num_processors() > 1)) )
{
if( thread_input->open_file( NULL, &opt->hin, &info, NULL ) )
{
fprintf( stderr, "x264 [error]: threaded input failed\n" );
return -1;
}
cli_input = *thread_input;
}
#endif
/* override detected values by those specified by the user */
if( param->vui.i_sar_width > 0 && param->vui.i_sar_height > 0 )
{
info.sar_width = param->vui.i_sar_width;
info.sar_height = param->vui.i_sar_height;
}
if( b_user_fps )
{
info.fps_num = param->i_fps_num;
info.fps_den = param->i_fps_den;
}
if( !info.vfr )
{
info.timebase_num = info.fps_den;
info.timebase_den = info.fps_num;
}
if( !tcfile_name && input_opt.timebase )
{
uint64_t i_user_timebase_num;
uint64_t i_user_timebase_den;
int ret = sscanf( input_opt.timebase, "%"SCNu64"/%"SCNu64, &i_user_timebase_num, &i_user_timebase_den );
FAIL_IF_ERROR( !ret, "invalid argument: timebase = %s\n", input_opt.timebase );
if( ret == 1 )
{
i_user_timebase_num = info.timebase_num;
i_user_timebase_den = strtoul( input_opt.timebase, NULL, 10 );
}
FAIL_IF_ERROR( i_user_timebase_num > UINT32_MAX || i_user_timebase_den > UINT32_MAX,
"timebase you specified exceeds H.264 maximum\n" );
opt->timebase_convert_multiplier = ((double)i_user_timebase_den / info.timebase_den)
* ((double)info.timebase_num / i_user_timebase_num);
info.timebase_num = i_user_timebase_num;
info.timebase_den = i_user_timebase_den;
info.vfr = 1;
}
if( b_user_interlaced )
{
info.interlaced = param->b_interlaced;
info.tff = param->b_tff;
}
if( input_opt.input_range != RANGE_AUTO )
info.fullrange = input_opt.input_range;
if( init_vid_filters( vid_filters, &opt->hin, &info, param, output_csp ) )
return -1;
/* set param flags from the post-filtered video */
param->b_vfr_input = info.vfr;
param->i_fps_num = info.fps_num;
param->i_fps_den = info.fps_den;
param->i_timebase_num = info.timebase_num;
param->i_timebase_den = info.timebase_den;
param->vui.i_sar_width = info.sar_width;
param->vui.i_sar_height = info.sar_height;
info.num_frames = X264_MAX( info.num_frames - opt->i_seek, 0 );
if( (!info.num_frames || param->i_frame_total < info.num_frames)
&& param->i_frame_total > 0 )
info.num_frames = param->i_frame_total;
param->i_frame_total = info.num_frames;
if( !b_user_interlaced && info.interlaced )
{
#if HAVE_INTERLACED
x264_cli_log( "x264", X264_LOG_WARNING, "input appears to be interlaced, enabling %cff interlaced mode.\n"
" If you want otherwise, use --no-interlaced or --%cff\n",
info.tff ? 't' : 'b', info.tff ? 'b' : 't' );
param->b_interlaced = 1;
param->b_tff = !!info.tff;
#else
x264_cli_log( "x264", X264_LOG_WARNING, "input appears to be interlaced, but not compiled with interlaced support\n" );
#endif
}
/* if the user never specified the output range and the input is now rgb, default it to pc */
int csp = param->i_csp & X264_CSP_MASK;
if( csp >= X264_CSP_BGR && csp <= X264_CSP_RGB )
{
if( input_opt.output_range == RANGE_AUTO )
param->vui.b_fullrange = RANGE_PC;
/* otherwise fail if they specified tv */
FAIL_IF_ERROR( !param->vui.b_fullrange, "RGB must be PC range" );
}
/* Automatically reduce reference frame count to match the user's target level
* if the user didn't explicitly set a reference frame count. */
if( !b_user_ref )
{
int mbs = (((param->i_width)+15)>>4) * (((param->i_height)+15)>>4);
for( int i = 0; x264_levels[i].level_idc != 0; i++ )
if( param->i_level_idc == x264_levels[i].level_idc )
{
while( mbs * param->i_frame_reference > x264_levels[i].dpb && param->i_frame_reference > 1 )
param->i_frame_reference--;
break;
}
}
return 0;
}
static void parse_qpfile( cli_opt_t *opt, x264_picture_t *pic, int i_frame )
{
int num = -1;
char type;
char buf[100];
while( num < i_frame )
{
int64_t file_pos = ftell( opt->qpfile );
int qp = -1;
int ret = fscanf( opt->qpfile, " %99[^\n]\n", buf );
if( ret == 1 )
{
ret = sscanf( buf, "%d %c %d", &num, &type, &qp );
if( ret == EOF )
ret = 0;
}
pic->i_type = X264_TYPE_AUTO;
pic->i_qpplus1 = X264_QP_AUTO;
if( num > i_frame || ret == EOF )
{
if( ret == EOF || file_pos < 0 || fseek( opt->qpfile, file_pos, SEEK_SET ) )
{
if( ret != EOF )
x264_cli_log( "x264", X264_LOG_ERROR, "qpfile seeking failed\n" );
fclose( opt->qpfile );
opt->qpfile = NULL;
}
break;
}
if( num < i_frame && ret >= 2 )
continue;
if ( type == 'I' ) pic->i_type = X264_TYPE_IDR;
else if( type == 'i' ) pic->i_type = X264_TYPE_I;
else if( type == 'K' ) pic->i_type = X264_TYPE_KEYFRAME;
else if( type == 'P' ) pic->i_type = X264_TYPE_P;
else if( type == 'B' ) pic->i_type = X264_TYPE_BREF;
else if( type == 'b' ) pic->i_type = X264_TYPE_B;
else ret = 0;
if( ret < 2 || qp < -1 || qp > QP_MAX )
{
x264_cli_log( "x264", X264_LOG_ERROR, "can't parse qpfile for frame %d\n", i_frame );
fclose( opt->qpfile );
opt->qpfile = NULL;
break;
}
if( ret == 3 && qp >= 0 )
pic->i_qpplus1 = qp+1;
}
}
static int encode_frame( x264_t *h, hnd_t hout, x264_picture_t *pic, int64_t *last_dts )
{
x264_picture_t pic_out;
x264_nal_t *nal;
int i_nal;
int i_frame_size = 0;
i_frame_size = x264_encoder_encode( h, &nal, &i_nal, pic, &pic_out );
FAIL_IF_ERROR( i_frame_size < 0, "x264_encoder_encode failed\n" );
if( i_frame_size )
{
i_frame_size = cli_output.write_frame( hout, nal[0].p_payload, i_frame_size, &pic_out );
*last_dts = pic_out.i_dts;
}
return i_frame_size;
}
static int64_t print_status( int64_t i_start, int64_t i_previous, int i_frame, int i_frame_total, int64_t i_file, x264_param_t *param, int64_t last_ts )
{
char buf[200];
int64_t i_time = x264_mdate();
if( i_previous && i_time - i_previous < UPDATE_INTERVAL )
return i_previous;
int64_t i_elapsed = i_time - i_start;
double fps = i_elapsed > 0 ? i_frame * 1000000. / i_elapsed : 0;
double bitrate;
if( last_ts )
bitrate = (double) i_file * 8 / ( (double) last_ts * 1000 * param->i_timebase_num / param->i_timebase_den );
else
bitrate = (double) i_file * 8 / ( (double) 1000 * param->i_fps_den / param->i_fps_num );
if( i_frame_total )
{
int eta = i_elapsed * (i_frame_total - i_frame) / ((int64_t)i_frame * 1000000);
sprintf( buf, "x264 [%.1f%%] %d/%d frames, %.2f fps, %.2f kb/s, eta %d:%02d:%02d",
100. * i_frame / i_frame_total, i_frame, i_frame_total, fps, bitrate,
eta/3600, (eta/60)%60, eta%60 );
}
else
sprintf( buf, "x264 %d frames: %.2f fps, %.2f kb/s", i_frame, fps, bitrate );
fprintf( stderr, "%s \r", buf+5 );
x264_cli_set_console_title( buf );
fflush( stderr ); // needed in windows
return i_time;
}
static void convert_cli_to_lib_pic( x264_picture_t *lib, cli_pic_t *cli )
{
memcpy( lib->img.i_stride, cli->img.stride, sizeof(cli->img.stride) );
memcpy( lib->img.plane, cli->img.plane, sizeof(cli->img.plane) );
lib->img.i_plane = cli->img.planes;
lib->img.i_csp = cli->img.csp;
lib->i_pts = cli->pts;
}
#define FAIL_IF_ERROR2( cond, ... )\
do\
{\
if( cond )\
{\
x264_cli_log( "x264", X264_LOG_ERROR, __VA_ARGS__ );\
retval = -1;\
goto fail;\
}\
} while( 0 )
static int encode( x264_param_t *param, cli_opt_t *opt )
{
x264_t *h = NULL;
x264_picture_t pic;
cli_pic_t cli_pic;
const cli_pulldown_t *pulldown = NULL; // shut up gcc
int i_frame = 0;
int i_frame_output = 0;
int64_t i_end, i_previous = 0, i_start = 0;
int64_t i_file = 0;
int i_frame_size;
int64_t last_dts = 0;
int64_t prev_dts = 0;
int64_t first_dts = 0;
# define MAX_PTS_WARNING 3 /* arbitrary */
int pts_warning_cnt = 0;
int64_t largest_pts = -1;
int64_t second_largest_pts = -1;
int64_t ticks_per_frame;
double duration;
double pulldown_pts = 0;
int retval = 0;
opt->b_progress &= param->i_log_level < X264_LOG_DEBUG;
/* set up pulldown */
if( opt->i_pulldown && !param->b_vfr_input )
{
param->b_pulldown = 1;
param->b_pic_struct = 1;
pulldown = &pulldown_values[opt->i_pulldown];
param->i_timebase_num = param->i_fps_den;
FAIL_IF_ERROR2( fmod( param->i_fps_num * pulldown->fps_factor, 1 ),
"unsupported framerate for chosen pulldown\n" );
param->i_timebase_den = param->i_fps_num * pulldown->fps_factor;
}
h = x264_encoder_open( param );
FAIL_IF_ERROR2( !h, "x264_encoder_open failed\n" );
x264_encoder_parameters( h, param );
FAIL_IF_ERROR2( cli_output.set_param( opt->hout, param ), "can't set outfile param\n" );
i_start = x264_mdate();
/* ticks/frame = ticks/second / frames/second */
ticks_per_frame = (int64_t)param->i_timebase_den * param->i_fps_den / param->i_timebase_num / param->i_fps_num;
FAIL_IF_ERROR2( ticks_per_frame < 1 && !param->b_vfr_input, "ticks_per_frame invalid: %"PRId64"\n", ticks_per_frame );
ticks_per_frame = X264_MAX( ticks_per_frame, 1 );
if( !param->b_repeat_headers )
{
// Write SPS/PPS/SEI
x264_nal_t *headers;
int i_nal;
FAIL_IF_ERROR2( x264_encoder_headers( h, &headers, &i_nal ) < 0, "x264_encoder_headers failed\n" );
FAIL_IF_ERROR2( (i_file = cli_output.write_headers( opt->hout, headers )) < 0, "error writing headers to output file\n" );
}
if( opt->tcfile_out )
fprintf( opt->tcfile_out, "# timecode format v2\n" );
/* Encode frames */
for( ; !b_ctrl_c && (i_frame < param->i_frame_total || !param->i_frame_total); i_frame++ )
{
if( filter.get_frame( opt->hin, &cli_pic, i_frame + opt->i_seek ) )
break;
x264_picture_init( &pic );
convert_cli_to_lib_pic( &pic, &cli_pic );
if( !param->b_vfr_input )
pic.i_pts = i_frame;
if( opt->i_pulldown && !param->b_vfr_input )
{
pic.i_pic_struct = pulldown->pattern[ i_frame % pulldown->mod ];
pic.i_pts = (int64_t)( pulldown_pts + 0.5 );
pulldown_pts += pulldown_frame_duration[pic.i_pic_struct];
}
else if( opt->timebase_convert_multiplier )
pic.i_pts = (int64_t)( pic.i_pts * opt->timebase_convert_multiplier + 0.5 );
if( pic.i_pts <= largest_pts )
{
if( cli_log_level >= X264_LOG_DEBUG || pts_warning_cnt < MAX_PTS_WARNING )
x264_cli_log( "x264", X264_LOG_WARNING, "non-strictly-monotonic pts at frame %d (%"PRId64" <= %"PRId64")\n",
i_frame, pic.i_pts, largest_pts );
else if( pts_warning_cnt == MAX_PTS_WARNING )
x264_cli_log( "x264", X264_LOG_WARNING, "too many nonmonotonic pts warnings, suppressing further ones\n" );
pts_warning_cnt++;
pic.i_pts = largest_pts + ticks_per_frame;
}
second_largest_pts = largest_pts;
largest_pts = pic.i_pts;
if( opt->tcfile_out )
fprintf( opt->tcfile_out, "%.6f\n", pic.i_pts * ((double)param->i_timebase_num / param->i_timebase_den) * 1e3 );
if( opt->qpfile )
parse_qpfile( opt, &pic, i_frame + opt->i_seek );
prev_dts = last_dts;
i_frame_size = encode_frame( h, opt->hout, &pic, &last_dts );
if( i_frame_size < 0 )
{
b_ctrl_c = 1; /* lie to exit the loop */
retval = -1;
}
else if( i_frame_size )
{
i_file += i_frame_size;
i_frame_output++;
if( i_frame_output == 1 )
first_dts = prev_dts = last_dts;
}
if( filter.release_frame( opt->hin, &cli_pic, i_frame + opt->i_seek ) )
break;
/* update status line (up to 1000 times per input file) */
if( opt->b_progress && i_frame_output )
i_previous = print_status( i_start, i_previous, i_frame_output, param->i_frame_total, i_file, param, 2 * last_dts - prev_dts - first_dts );
}
/* Flush delayed frames */
while( !b_ctrl_c && x264_encoder_delayed_frames( h ) )
{
prev_dts = last_dts;
i_frame_size = encode_frame( h, opt->hout, NULL, &last_dts );
if( i_frame_size < 0 )
{
b_ctrl_c = 1; /* lie to exit the loop */
retval = -1;
}
else if( i_frame_size )
{
i_file += i_frame_size;
i_frame_output++;
if( i_frame_output == 1 )
first_dts = prev_dts = last_dts;
}
if( opt->b_progress && i_frame_output )
i_previous = print_status( i_start, i_previous, i_frame_output, param->i_frame_total, i_file, param, 2 * last_dts - prev_dts - first_dts );
}
fail:
if( pts_warning_cnt >= MAX_PTS_WARNING && cli_log_level < X264_LOG_DEBUG )
x264_cli_log( "x264", X264_LOG_WARNING, "%d suppressed nonmonotonic pts warnings\n", pts_warning_cnt-MAX_PTS_WARNING );
/* duration algorithm fails when only 1 frame is output */
if( i_frame_output == 1 )
duration = (double)param->i_fps_den / param->i_fps_num;
else if( b_ctrl_c )
duration = (double)(2 * last_dts - prev_dts - first_dts) * param->i_timebase_num / param->i_timebase_den;
else
duration = (double)(2 * largest_pts - second_largest_pts) * param->i_timebase_num / param->i_timebase_den;
i_end = x264_mdate();
/* Erase progress indicator before printing encoding stats. */
if( opt->b_progress )
fprintf( stderr, " \r" );
if( h )
x264_encoder_close( h );
fprintf( stderr, "\n" );
if( b_ctrl_c )
fprintf( stderr, "aborted at input frame %d, output frame %d\n", opt->i_seek + i_frame, i_frame_output );
cli_output.close_file( opt->hout, largest_pts, second_largest_pts );
opt->hout = NULL;
if( i_frame_output > 0 )
{
double fps = (double)i_frame_output * (double)1000000 /
(double)( i_end - i_start );
fprintf( stderr, "encoded %d frames, %.2f fps, %.2f kb/s\n", i_frame_output, fps,
(double) i_file * 8 / ( 1000 * duration ) );
}
return retval;
}
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