Commit 9bec6fed authored by Anton Mitrofanov's avatar Anton Mitrofanov Committed by Fiona

libx264 API usage example

parent 329fe5f6
......@@ -36,6 +36,8 @@ OBJCLI =
OBJCHK = tools/checkasm.o
OBJEXAMPLE = example.o
CONFIG := $(shell cat config.h)
# GPL-only files
......@@ -176,9 +178,10 @@ $(SONAME): $(GENERATED) .depend $(OBJS) $(OBJASM) $(OBJSO)
$(LD)$@ $(OBJS) $(OBJASM) $(OBJSO) $(SOFLAGS) $(LDFLAGS)
ifneq ($(EXE),)
.PHONY: x264 checkasm
.PHONY: x264 checkasm example
x264: x264$(EXE)
checkasm: checkasm$(EXE)
example: example$(EXE)
endif
x264$(EXE): $(GENERATED) .depend $(OBJCLI) $(CLI_LIBX264)
......@@ -187,7 +190,10 @@ x264$(EXE): $(GENERATED) .depend $(OBJCLI) $(CLI_LIBX264)
checkasm$(EXE): $(GENERATED) .depend $(OBJCHK) $(LIBX264)
$(LD)$@ $(OBJCHK) $(LIBX264) $(LDFLAGS)
$(OBJS) $(OBJASM) $(OBJSO) $(OBJCLI) $(OBJCHK): .depend
example$(EXE): $(GENERATED) .depend $(OBJEXAMPLE) $(LIBX264)
$(LD)$@ $(OBJEXAMPLE) $(LIBX264) $(LDFLAGS)
$(OBJS) $(OBJASM) $(OBJSO) $(OBJCLI) $(OBJCHK) $(OBJEXAMPLE): .depend
%.o: %.asm common/x86/x86inc.asm common/x86/x86util.asm
$(AS) $(ASFLAGS) -o $@ $<
......@@ -254,6 +260,7 @@ endif
clean:
rm -f $(OBJS) $(OBJASM) $(OBJCLI) $(OBJSO) $(SONAME) *.a *.lib *.exp *.pdb x264 x264.exe .depend TAGS
rm -f checkasm checkasm.exe $(OBJCHK) $(GENERATED) x264_lookahead.clbin
rm -f example example.exe $(OBJEXAMPLE)
rm -f $(SRC2:%.c=%.gcda) $(SRC2:%.c=%.gcno) *.dyn pgopti.dpi pgopti.dpi.lock *.pgd *.pgc
distclean: clean
......
/*****************************************************************************
* example.c: libx264 API usage example
*****************************************************************************
* Copyright (C) 2014 x264 project
*
* Authors: Anton Mitrofanov <BugMaster@narod.ru>
*
* 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 <stdint.h>
#include <stdio.h>
#include <signal.h>
#include <x264.h>
/* Ctrl-C handler */
static volatile int b_ctrl_c = 0;
static void sigint_handler( int a )
{
b_ctrl_c = 1;
}
#define FAIL_IF_ERROR( cond, ... )\
do\
{\
if( cond )\
{\
fprintf( stderr, __VA_ARGS__ );\
goto fail;\
}\
} while( 0 )
int main( int argc, char **argv )
{
int width, height;
x264_param_t param;
x264_picture_t pic;
x264_picture_t pic_out;
x264_t *h;
int i_frame = 0;
int i_frame_size;
x264_nal_t *nal;
int i_nal;
#ifdef _WIN32
_setmode( _fileno( stdin ), _O_BINARY );
_setmode( _fileno( stdout ), _O_BINARY );
_setmode( _fileno( stderr ), _O_BINARY );
#endif
/* Control-C handler */
signal( SIGINT, sigint_handler );
FAIL_IF_ERROR( !(argc > 1), "Example usage: example 352x288 <input.yuv >output.h264\n" );
FAIL_IF_ERROR( 2 != sscanf( argv[1], "%dx%d", &width, &height ), "resolution not specified or incorrect\n" );
/* Get default params for preset/tuning */
if( x264_param_default_preset( &param, "medium", NULL ) < 0 )
goto fail;
/* Configure non-default params */
param.i_csp = X264_CSP_I420;
param.i_width = width;
param.i_height = height;
param.b_vfr_input = 0;
param.b_repeat_headers = 1;
param.b_annexb = 1;
/* Apply profile restrictions. */
if( x264_param_apply_profile( &param, "high" ) < 0 )
goto fail;
if( x264_picture_alloc( &pic, param.i_csp, param.i_width, param.i_height ) < 0 )
goto fail;
#undef fail
#define fail fail2
h = x264_encoder_open( &param );
if( !h )
goto fail;
#undef fail
#define fail fail3
/* Encode frames */
for( ; !b_ctrl_c; i_frame++ )
{
/* Read input frame */
int plane_size = width * height;
if( fread( pic.img.plane[0], 1, plane_size, stdin ) != plane_size )
break;
plane_size = ((width + 1) >> 1) * ((height + 1) >> 1);
if( fread( pic.img.plane[1], 1, plane_size, stdin ) != plane_size )
break;
if( fread( pic.img.plane[2], 1, plane_size, stdin ) != plane_size )
break;
pic.i_pts = i_frame;
i_frame_size = x264_encoder_encode( h, &nal, &i_nal, &pic, &pic_out );
if( i_frame_size < 0 )
goto fail;
else if( i_frame_size )
{
if( !fwrite( nal->p_payload, i_frame_size, 1, stdout ) )
goto fail;
}
}
/* Flush delayed frames */
while( !b_ctrl_c && x264_encoder_delayed_frames( h ) )
{
i_frame_size = x264_encoder_encode( h, &nal, &i_nal, NULL, &pic_out );
if( i_frame_size < 0 )
goto fail;
else if( i_frame_size )
{
if( !fwrite( nal->p_payload, i_frame_size, 1, stdout ) )
goto fail;
}
}
x264_encoder_close( h );
x264_picture_clean( &pic );
return 0;
#undef fail
fail3:
x264_encoder_close( h );
fail2:
x264_picture_clean( &pic );
fail:
return -1;
}
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