the xvid example problem!
linuxer <[email protected]>
| Newsgroups | gmane.comp.video.xvid.user |
|---|---|
| Message-ID | <[email protected]> |
hello! I use the example form xvidcore package 0.9.1. I modify the variable to set the programe xvid_encraw.c to compress a series rgb24 pic to a m4v raw mpeg4 file, then I use xvid_decraw.c to decode the same m4v to a rgb24 data file, when I display the decoded file , I find the pic was bottom up! I was pazzled at this. can any one tell me why? I attach the two file which I modified for refer. thanks! _______________________________________________ XviD-users mailing list [email protected] http://list.xvid.org/mailman/listinfo/xvid-users
xvid_decraw.c
(text/x-csrc, 13.5 KB)
/*****************************************************************************
*
* XVID MPEG-4 VIDEO CODEC
* - Console based decoding test application -
*
* Copyright(C) 2002 Christoph Lampert
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id: xvid_decraw.c,v 1.5 2003/02/09 19:32:52 edgomez Exp $
*
****************************************************************************/
/*****************************************************************************
*
* Application notes :
*
* An MPEG-4 bitstream is read from an input file (or stdin) and decoded,
* the speed for this is measured.
*
* The program is plain C and needs no libraries except for libxvidcore,
* and maths-lib, so with UN*X you simply compile by
*
* gcc xvid_decraw.c -lxvidcore -lm -o xvid_decraw
*
* You have to specify the image dimensions (until the add the feature
* to read this from the bitstream)
*
* Usage : xvid_decraw <-w width> <-h height> [OPTIONS]
* Options :
* -asm : use assembly optimizations (default=disabled)
* -w integer : frame width ([1.2048])
* -h integer : frame height ([1.2048])
* -i string : input filename (default=stdin)
* -t integer : input data type (raw=0, mp4u=1)
* -d boolean : save decoder output (0 False*, !=0 True)
* -m boolean : save mpeg4 raw stream to single files (0 False*, !=0 True)
* -help : This help message
* (* means default)
*
****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <time.h>
#include "xvid.h"
/*****************************************************************************
* Global vars in module and constants
****************************************************************************/
/* max number of frames */
#define ABS_MAXFRAMENR 2000
static int XDIM = 320;
static int YDIM = 240;
static int ARG_SAVEDECOUTPUT = 1;
static int ARG_SAVEMPEGSTREAM = 0;
static int ARG_STREAMTYPE = 0;
static char *ARG_INPUTFILE = "/hdb1/test/rgb24_320x240.m4v";
static char *ARG_OUTPUTFILE = "/hdb1/test/rgb24_320x240.dec";
static void *dec_handle = NULL;
# define BUFFER_SIZE 10*XDIM*YDIM
#define LONG_PACK(a,b,c,d) ((long) (((long)(a))<<24) | (((long)(b))<<16) | \
(((long)(c))<<8) |((long)(d)))
#define SWAP(a) ( (((a)&0x000000ff)<<24) | (((a)&0x0000ff00)<<8) | \
(((a)&0x00ff0000)>>8) | (((a)&0xff000000)>>24) )
/*****************************************************************************
* Local prototypes
****************************************************************************/
static double msecond();
static int write_pgm(char *filename,
unsigned char *image);
static int dec_init(int use_assembler);
static int dec_main(unsigned char *istream,
unsigned char *ostream,
int istream_size,
int *ostream_size);
static int dec_stop();
static void usage();
/*****************************************************************************
* Main program
****************************************************************************/
int main(int argc, char *argv[])
{
char* filepath = "./";
unsigned char *mp4_buffer = NULL;
unsigned char *mp4_ptr = NULL;
unsigned char *out_buffer = NULL;
int bigendian = 0;
double totaldectime;
long totalsize;
int status;
int use_assembler = 0;
char filename[256];
FILE *in_file;
FILE *out_file;
int filenr;
int i = 0;
printf("xvid_decraw - raw mpeg4 bitstream decoder ");
printf("written by Christoph Lampert 2002\n\n");
/*****************************************************************************
* Command line parsing
****************************************************************************/
use_assembler = 1;
ARG_SAVEMPEGSTREAM = atoi(argv[i]);
/*****************************************************************************
* Values checking
****************************************************************************/
if(XDIM <= 0 || XDIM > 2048 || YDIM <= 0 || YDIM > 2048) {
usage();
return -1;
}
if ( ARG_INPUTFILE == NULL || strcmp(ARG_INPUTFILE, "stdin") == 0) {
in_file = stdin;
}
else {
in_file = fopen(ARG_INPUTFILE, "rb");
if (in_file == NULL) {
fprintf(stderr, "Error opening input file %s\n", ARG_INPUTFILE);
return -1;
}
}
out_file = fopen(ARG_OUTPUTFILE, "w");
if(out_file == NULL)
{
fprintf(stderr, "Error opening input file %s\n", ARG_INPUTFILE);
return -1;
}
/*****************************************************************************
* Memory allocation
****************************************************************************/
/* Memory for encoded mp4 stream */
mp4_buffer = (unsigned char *) malloc(BUFFER_SIZE);
mp4_ptr = mp4_buffer;
if (!mp4_buffer)
goto free_all_memory;
/* Memory for frame output */
out_buffer = (unsigned char *) malloc(XDIM*YDIM*4);
if (!out_buffer)
goto free_all_memory;
/*****************************************************************************
* XviD PART Start
****************************************************************************/
status = dec_init(use_assembler);
if (status) {
fprintf(stderr,
"Decore INIT problem, return value %d\n", status);
goto release_all;
}
/*****************************************************************************
* Main loop
****************************************************************************/
totalsize = LONG_PACK('M','P','4','U');
mp4_ptr = (unsigned char *)&totalsize;
if(*mp4_ptr == 'M')
bigendian = 1;
else
bigendian = 0;
if(ARG_STREAMTYPE) {
unsigned char header[4];
/* MP4U format : read header */
if(feof(in_file))
goto release_all;
fread(header, 4, 1, in_file);
if(header[0] != 'M' || header[1] != 'P' ||
header[2] != '4' || header[3] != 'U') {
fprintf(stderr, "Error, this not a mp4u container file\n");
goto release_all;
}
}
else {
fread(mp4_buffer, BUFFER_SIZE, 1, in_file);
}
totaldectime = 0;
totalsize = 0;
filenr = 0;
mp4_ptr = mp4_buffer;
do {
int mp4_size = (mp4_buffer + BUFFER_SIZE - mp4_ptr);
int used_bytes = 0;
double dectime;
/* Read data from input file */
if(ARG_STREAMTYPE) {
/* MP4U container */
/* Read stream size first */
if(feof(in_file))
break;
fread(&mp4_size, sizeof(long), 1, in_file);
/* Mp4U container is big endian */
if(!bigendian)
mp4_size = SWAP(mp4_size);
/* Read mp4_size_bytes */
if(feof(in_file))
break;
fread(mp4_buffer, mp4_size, 1, in_file);
/*
* When reading mp4u, we don't have to care about buffer
* filling as we know exactly how much bytes there are in
* next frame
*/
mp4_ptr = mp4_buffer;
}
else {
/* Real raw stream */
/* buffer more than half empty -> Fill it */
if (mp4_ptr > mp4_buffer + BUFFER_SIZE/2) {
int rest = (mp4_buffer + BUFFER_SIZE - mp4_ptr);
/* Move data if needed */
if (rest)
memcpy(mp4_buffer, mp4_ptr, rest);
/* Update mp4_ptr */
mp4_ptr = mp4_buffer;
/* read new data */
if(feof(in_file))
break;
fread(mp4_buffer + rest, BUFFER_SIZE - rest, 1, in_file);
}
}
/* Decode frame */
dectime = msecond();
status = dec_main(mp4_ptr, out_buffer, mp4_size, &used_bytes);
dectime = msecond() - dectime;
if (status) {
break;
}
/*
* Only needed for real raw stream, mp4u uses
* mp4_ptr = mp4_buffer for each frame
*/
mp4_ptr += used_bytes;
/* Updated data */
totalsize += used_bytes;
totaldectime += dectime;
/* Prints some decoding stats */
printf("Frame %5d: dectime =%6.1f ms length=%7d bytes \n",
filenr, dectime, used_bytes);
/* Save individual mpeg4 strean if required */
if (ARG_SAVEMPEGSTREAM) {
FILE *filehandle = NULL;
sprintf(filename, "%sframe%05d.m4v", filepath, filenr);
filehandle = fopen(filename, "wb");
if(!filehandle) {
fprintf(stderr,
"Error writing single mpeg4 stream to file %s\n",
filename);
}
else {
fwrite(mp4_buffer, used_bytes, 1, filehandle);
fclose(filehandle);
}
}
/* Save output frame if required */
if (ARG_SAVEDECOUTPUT)
{
fwrite(out_buffer, 1, XDIM*YDIM*3, out_file);
}
filenr++;
} while ( (status>=0) && (filenr<ABS_MAXFRAMENR) );
/*****************************************************************************
* Calculate totals and averages for output, print results
****************************************************************************/
totalsize /= filenr;
totaldectime /= filenr;
printf("Avg: dectime %5.2f ms, %5.2f fps, mp4 stream size =%d\n",
totaldectime, 1000/totaldectime, (int)totalsize);
/*****************************************************************************
* XviD PART Stop
****************************************************************************/
release_all:
if (dec_handle) {
status = dec_stop();
if (status)
fprintf(stderr, "decore RELEASE problem return value %d\n", status);
}
fclose(out_file);
free_all_memory:
free(out_buffer);
free(mp4_buffer);
return 0;
}
/*****************************************************************************
* Usage function
****************************************************************************/
static void usage()
{
fprintf(stderr, "Usage : xvid_decraw <-w width> <-h height> [OPTIONS]\n");
fprintf(stderr, "Options :\n");
fprintf(stderr, " -asm : use assembly optimizations (default=disabled)\n");
fprintf(stderr, " -w integer : frame width ([1.2048])\n");
fprintf(stderr, " -h integer : frame height ([1.2048])\n");
fprintf(stderr, " -i string : input filename (default=stdin)\n");
fprintf(stderr, " -t integer : input data type (raw=0, mp4u=1)\n");
fprintf(stderr, " -d boolean : save decoder output (0 False*, !=0 True)\n");
fprintf(stderr, " -m boolean : save mpeg4 raw stream to individual files (0 False*, !=0 True)\n");
fprintf(stderr, " -help : This help message\n");
fprintf(stderr, " (* means default)\n");
}
/*****************************************************************************
* "helper" functions
****************************************************************************/
/* return the current time in milli seconds */
static double
msecond()
{
clock_t clk;
clk = clock();
return clk * 1000 / CLOCKS_PER_SEC;
}
/*****************************************************************************
* output functions
****************************************************************************/
static int
write_pgm(char *filename,
unsigned char *image)
{
int loop;
unsigned char *y = image;
unsigned char *u = image + XDIM*YDIM;
unsigned char *v = image + XDIM*YDIM + XDIM/2*YDIM/2;
FILE *filehandle;
filehandle=fopen(filename,"w+b");
if (filehandle) {
/* Write header */
fprintf(filehandle,"P5\n\n%d %d 255\n", XDIM,YDIM*3/2);
/* Write Y data */
fwrite(y, 1, XDIM*YDIM, filehandle);
for(loop=0; loop<YDIM/2; loop++)
{
/* Write U scanline */
fwrite(u, 1, XDIM/2, filehandle);
/* Write V scanline */
fwrite(v, 1, XDIM/2, filehandle);
/* Update pointers */
u += XDIM/2;
v += XDIM/2;
}
/* Close file */
fclose(filehandle);
return 0;
}
else
return 1;
}
/*****************************************************************************
* Routines for decoding: init decoder, use, and stop decoder
****************************************************************************/
/* init decoder before first run */
static int
dec_init(int use_assembler)
{
int xerr;
XVID_INIT_PARAM xinit;
XVID_DEC_PARAM xparam;
if(use_assembler)
#ifdef ARCH_IA64
xinit.cpu_flags = XVID_CPU_FORCE | XVID_CPU_IA64;
#else
xinit.cpu_flags = 0;
#endif
else
xinit.cpu_flags = XVID_CPU_FORCE;
xvid_init(NULL, 0, &xinit, NULL);
xparam.width = XDIM;
xparam.height = YDIM;
xerr = xvid_decore(NULL, XVID_DEC_CREATE, &xparam, NULL);
dec_handle = xparam.handle;
return xerr;
}
/* decode one frame */
static int
dec_main(unsigned char *istream,
unsigned char *ostream,
int istream_size,
int *ostream_size)
{
int xerr;
XVID_DEC_FRAME xframe;
xframe.bitstream = istream;
xframe.length = istream_size;
xframe.image = ostream;
xframe.stride = XDIM;
// xframe.colorspace = XVID_CSP_YV12;
xframe.colorspace = XVID_CSP_RGB24;
xerr = xvid_decore(dec_handle, XVID_DEC_DECODE, &xframe, NULL);
*ostream_size = xframe.length;
return xerr;
}
/* close decoder to release resources */
static int
dec_stop()
{
int xerr;
xerr = xvid_decore(dec_handle, XVID_DEC_DESTROY, NULL, NULL);
return xerr;
}
xvid_encraw.c
(text/x-csrc, 20.3 KB)
/*****************************************************************************
*
* XVID MPEG-4 VIDEO CODEC
* - Console based test application -
*
* Copyright(C) 2002 Christoph Lampert
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id: xvid_encraw.c,v 1.9 2003/02/11 21:56:31 edgomez Exp $
*
****************************************************************************/
/*****************************************************************************
* Application notes :
*
* A sequence of YUV pics in PGM file format is encoded and decoded
* The speed is measured and PSNR of decoded picture is calculated.
*
* The program is plain C and needs no libraries except for libxvidcore,
* and maths-lib.
*
************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#ifndef _MSC_VER
#include <sys/time.h>
#else
#include <time.h>
#endif
#include "xvid.h"
/*****************************************************************************
* Quality presets
****************************************************************************/
static int const motion_presets[7] = {
0, /* Q 0 */
PMV_EARLYSTOP16, /* Q 1 */
PMV_EARLYSTOP16, /* Q 2 */
PMV_EARLYSTOP16 | PMV_HALFPELREFINE16, /* Q 3 */
PMV_EARLYSTOP16 | PMV_HALFPELREFINE16, /* Q 4 */
PMV_EARLYSTOP16 | PMV_HALFPELREFINE16 | PMV_EARLYSTOP8 | /* Q 5 */
PMV_HALFPELREFINE8,
PMV_EARLYSTOP16 | PMV_HALFPELREFINE16 | PMV_EXTSEARCH16 | /* Q 6 */
PMV_USESQUARES16 | PMV_EARLYSTOP8 | PMV_HALFPELREFINE8
};
static int const general_presets[7] = {
XVID_H263QUANT, /* Q 0 */
XVID_MPEGQUANT, /* Q 1 */
XVID_H263QUANT, /* Q 2 */
XVID_H263QUANT | XVID_HALFPEL, /* Q 3 */
XVID_H263QUANT | XVID_HALFPEL | XVID_INTER4V, /* Q 4 */
XVID_H263QUANT | XVID_HALFPEL | XVID_INTER4V, /* Q 5 */
XVID_H263QUANT | XVID_HALFPEL | XVID_INTER4V /* Q 6 */
};
/*****************************************************************************
* Command line global variables
****************************************************************************/
/* Maximum number of frames to encode */
#define ABS_MAXFRAMENR 2000
/* HINTMODEs */
#define HINT_MODE_NONE 0
#define HINT_MODE_GET 1
#define HINT_MODE_SET 2
#define HINT_FILE "hints.mv"
static int ARG_BITRATE = 900;
static int ARG_QUANTI = 0;
static int ARG_QUALITY = 6;
static int ARG_MINQUANT = 1;
static int ARG_MAXQUANT = 31;
static float ARG_FRAMERATE = 25.00f;
static int ARG_MAXFRAMENR = ABS_MAXFRAMENR;
static char *ARG_INPUTFILE = "/hdb1/test/rgb24_320x240.data";
static int ARG_INPUTTYPE = 0;
static int ARG_SAVEMPEGSTREAM = 1;
static int ARG_OUTPUTTYPE = 0;
static char *ARG_OUTPUTFILE = "/hdb1/test/rgb24_320x240.m4v";
static int ARG_HINTMODE = HINT_MODE_NONE;
static int XDIM = 320;
static int YDIM = 240;
#define IMAGE_SIZE(x,y) ((x)*(y)*3)
#define MAX(A,B) ( ((A)>(B)) ? (A) : (B) )
#define SMALL_EPS 1e-10
#define LONG_PACK(a,b,c,d) ((long) (((long)(a))<<24) | (((long)(b))<<16) | \
(((long)(c))<<8) |((long)(d)))
#define SWAP(a) ( (((a)&0x000000ff)<<24) | (((a)&0x0000ff00)<<8) | \
(((a)&0x00ff0000)>>8) | (((a)&0xff000000)>>24) )
/****************************************************************************
* Nasty global vars ;-)
***************************************************************************/
static int i ,filenr = 0;
/* the path where to save output */
static char filepath[256] = "./";
/* Internal structures (handles) for encoding and decoding */
static void *enc_handle = NULL;
/*****************************************************************************
* Local prototypes
****************************************************************************/
/* Prints program usage message */
static void usage();
/* Statistical functions */
static double msecond();
/* PGM related functions */
static int read_pgmheader(FILE* handle);
static int read_pgmdata(FILE* handle, unsigned char *image);
static int read_yuvdata(FILE* handle, unsigned char *image);
/* Encoder related functions */
static int enc_init(int use_assembler);
static int enc_stop();
static int enc_main(unsigned char* image, unsigned char* bitstream,
unsigned char *hints_buffer,
long *streamlength, long* frametype, long *hints_size);
/*****************************************************************************
* Main function
****************************************************************************/
int main(int argc, char *argv[])
{
unsigned char *mp4_buffer = NULL;
unsigned char *in_buffer = NULL;
unsigned char *out_buffer = NULL;
unsigned char *hints_buffer = NULL;
double enctime;
double totalenctime=0.;
long totalsize;
long hints_size;
int status;
long frame_type;
long bigendian;
long m4v_size;
int use_assembler=0;
char filename[256];
FILE *in_file = stdin;
FILE *out_file = NULL;
FILE *hints_file = NULL;
printf("xvid_encraw - raw mpeg4 bitstream encoder ");
printf("written by Christoph Lampert 2002\n\n");
/*****************************************************************************
* Command line parsing
****************************************************************************/
use_assembler = 1;
/*****************************************************************************
* Arguments checking
****************************************************************************/
if (XDIM <= 0 || XDIM >= 2048 || YDIM <=0 || YDIM >= 2048 ) {
fprintf(stderr, "Trying to retreive width and height from PGM header\n");
ARG_INPUTTYPE = 1; /* pgm */
}
if ( ARG_QUALITY < 0 || ARG_QUALITY > 6) {
fprintf(stderr,"Wrong Quality\n");
return -1;
}
if ( ARG_BITRATE <= 0 && ARG_QUANTI == 0) {
fprintf(stderr,"Wrong Bitrate\n");
return -1;
}
if ( ARG_FRAMERATE <= 0) {
fprintf(stderr,"Wrong Framerate %s \n",argv[5]);
return -1;
}
if ( ARG_MAXFRAMENR <= 0) {
fprintf(stderr,"Wrong number of frames\n");
return -1;
}
if ( ARG_HINTMODE != HINT_MODE_NONE &&
ARG_HINTMODE != HINT_MODE_GET &&
ARG_HINTMODE != HINT_MODE_SET)
ARG_HINTMODE = HINT_MODE_NONE;
if( ARG_HINTMODE != HINT_MODE_NONE) {
char *rights = "rb";
/*
* If we are getting hints from core, we will have to write them to
* hint file
*/
if(ARG_HINTMODE == HINT_MODE_GET)
rights = "w+b";
/* Open the hint file */
hints_file = fopen(HINT_FILE, rights);
if(hints_file == NULL) {
fprintf(stderr, "Error opening input file %s\n", HINT_FILE);
return -1;
}
/* Allocate hint memory space, we will be using rawhints */
/* NB : Hope 1Mb is enough */
if((hints_buffer = malloc(1024*1024)) == NULL) {
fprintf(stderr, "Memory allocation error\n");
return -1;
}
}
//rgb24
if ( ARG_INPUTFILE == NULL || strcmp(ARG_INPUTFILE, "stdin") == 0) {
in_file = stdin;
}
else {
in_file = fopen(ARG_INPUTFILE, "rb");
if (in_file == NULL) {
fprintf(stderr, "Error opening input file %s\n", ARG_INPUTFILE);
return -1;
}
}
//0
if (ARG_INPUTTYPE) {
if (read_pgmheader(in_file)) {
fprintf(stderr, "Wrong input format, I want YUV encapsulated in PGM\n");
return -1;
}
}
/* now we know the sizes, so allocate memory */
in_buffer = (unsigned char *) malloc(IMAGE_SIZE(XDIM,YDIM));
if (!in_buffer)
goto free_all_memory;
/* this should really be enough memory ! */
mp4_buffer = (unsigned char *) malloc(IMAGE_SIZE(XDIM,YDIM)*2);
if (!mp4_buffer)
goto free_all_memory;
/*****************************************************************************
* XviD PART Start
****************************************************************************/
status = enc_init(use_assembler);
if (status)
{
fprintf(stderr, "Encore INIT problem, return value %d\n", status);
goto release_all;
}
/*****************************************************************************
* Main loop
****************************************************************************/
totalsize = LONG_PACK('M','P','4','U');
if(*((char *)(&totalsize)) == 'M')
bigendian = 1;
else
bigendian = 0;
if (ARG_SAVEMPEGSTREAM && (ARG_OUTPUTTYPE || ARG_OUTPUTFILE)) {
if (ARG_OUTPUTFILE == NULL && ARG_OUTPUTTYPE)
ARG_OUTPUTFILE = "stream.mp4u";
else if(ARG_OUTPUTFILE == NULL && !ARG_OUTPUTTYPE)
ARG_OUTPUTFILE = "/hdb1/test/rgb24_320x240.m4v";
// ARG_OUTPUTFILE = "stream.m4v";
if((out_file = fopen(ARG_OUTPUTFILE, "wb")) == NULL) {
fprintf(stderr, "Error opening output file %s\n", ARG_OUTPUTFILE);
goto release_all;
}
/* Write header */
if (ARG_OUTPUTTYPE) {
long test = LONG_PACK('M','P','4','U');
test = (!bigendian)?SWAP(test):test;
fwrite(&test, sizeof(test), 1, out_file);
}
}
else {
out_file = NULL;
}
/*****************************************************************************
* Encoding loop
****************************************************************************/
totalsize = 0;
do {
if (ARG_INPUTTYPE)
status = read_pgmdata(in_file, in_buffer); /* read PGM data (YUV-format) */
else
status = read_yuvdata(in_file, in_buffer); /* read raw data (YUV-format) */
if (status)
{
/* Couldn't read image, most likely end-of-file */
continue;
}
/*****************************************************************************
* Read hints from file
****************************************************************************/
if(ARG_HINTMODE == HINT_MODE_SET) {
fread(&hints_size, 1, sizeof(long), hints_file);
hints_size = (!bigendian)?SWAP(hints_size):hints_size;
fread(hints_buffer, 1, hints_size, hints_file);
}
/*****************************************************************************
* Encode and decode this frame
****************************************************************************/
enctime = msecond();
status = enc_main(in_buffer, mp4_buffer, hints_buffer,
&m4v_size, &frame_type, &hints_size);
enctime = msecond() - enctime;
totalenctime += enctime;
totalsize += m4v_size;
printf("Frame %5d: intra %1d, enctime=%6.1f ms, size=%6dbytes\n",
(int)filenr, (int)frame_type, (float)enctime, (int)m4v_size);
/*****************************************************************************
* Save hints to file
****************************************************************************/
if(ARG_HINTMODE == HINT_MODE_GET) {
hints_size = (!bigendian)?SWAP(hints_size):hints_size;
fwrite(&hints_size, 1, sizeof(long), hints_file);
hints_size = (!bigendian)?SWAP(hints_size):hints_size;
fwrite(hints_buffer, 1, hints_size, hints_file);
}
/*****************************************************************************
* Save stream to file
****************************************************************************/
if (ARG_SAVEMPEGSTREAM)
{
/* Save single files */
if (out_file == NULL) {
sprintf(filename, "%sframe%05d.m4v", filepath, filenr);
out_file = fopen(filename, "wb");
fwrite(mp4_buffer, m4v_size, 1, out_file);
fclose(out_file);
out_file = NULL;
}
else {
/* Using mp4u container */
if (ARG_OUTPUTTYPE) {
long size = m4v_size;
size = (!bigendian)?SWAP(size):size;
fwrite(&size, sizeof(size), 1, out_file);
}
/* Write mp4 data */
fwrite(mp4_buffer, m4v_size, 1, out_file);
}
}
/* Read the header if it's pgm stream */
if (ARG_INPUTTYPE)
status = read_pgmheader(in_file);
filenr++;
} while ( (!status) && (filenr<ARG_MAXFRAMENR) );
/*****************************************************************************
* Calculate totals and averages for output, print results
****************************************************************************/
totalsize /= filenr;
totalenctime /= filenr;
printf("Avg: enctime %5.2f ms, %5.2f fps, filesize %7d bytes\n",
totalenctime, 1000/totalenctime, (int)totalsize);
/*****************************************************************************
* XviD PART Stop
****************************************************************************/
release_all:
if (enc_handle)
{
status = enc_stop();
if (status)
fprintf(stderr, "Encore RELEASE problem return value %d\n", status);
}
if(in_file)
fclose(in_file);
if(out_file)
fclose(out_file);
if(hints_file)
fclose(hints_file);
free_all_memory:
free(out_buffer);
free(mp4_buffer);
free(in_buffer);
if(hints_buffer) free(hints_buffer);
return 0;
}
/*****************************************************************************
* "statistical" functions
*
* these are not needed for encoding or decoding, but for measuring
* time and quality, there in nothing specific to XviD in these
*
*****************************************************************************/
/* Return time elapsed time in miliseconds since the program started */
static double msecond()
{
#ifndef WIN32
struct timeval tv;
gettimeofday(&tv, 0);
return tv.tv_sec*1.0e3 + tv.tv_usec * 1.0e-3;
#else
clock_t clk;
clk = clock();
return clk * 1000 / CLOCKS_PER_SEC;
#endif
}
/*****************************************************************************
* Usage message
*****************************************************************************/
static void usage()
{
fprintf(stderr, "Usage : xvid_encraw [OPTIONS]\n");
fprintf(stderr, "Options :\n");
fprintf(stderr, " -asm : use assembly code\n");
fprintf(stderr, " -w integer : frame width ([1.2048])\n");
fprintf(stderr, " -h integer : frame height ([1.2048])\n");
fprintf(stderr, " -b integer : target bitrate (>0 | default=900kbit)\n");
fprintf(stderr, " -f float : target framerate (>0)\n");
fprintf(stderr, " -i string : input filename (default=stdin)\n");
fprintf(stderr, " -t integer : input data type (yuv=0, pgm=1)\n");
fprintf(stderr, " -n integer : number of frames to encode\n");
fprintf(stderr, " -q integer : quality ([0..5])\n");
fprintf(stderr, " -m boolean : save mpeg4 raw stream (0 False*, !=0 True)\n");
fprintf(stderr, " -o string : output container filename (only usefull when -m 1 is used) :\n");
fprintf(stderr, " When this option is not used : one file per encoded frame\n");
fprintf(stderr, " When this option is used :\n");
fprintf(stderr, " + stream.m4v with -mt 0\n");
fprintf(stderr, " + stream.mp4u with -mt 1\n");
fprintf(stderr, " -mt integer : output type (m4v=0, mp4u=1)\n");
fprintf(stderr, " -mv integer : Use motion vector hints (no hints=0, get hints=1, set hints=2)\n");
fprintf(stderr, " -help : prints this help message\n");
fprintf(stderr, " -quant integer : fixed quantizer (disables -b setting)\n");
fprintf(stderr, " (* means default)\n");
}
/*****************************************************************************
* Input and output functions
*
* the are small and simple routines to read and write PGM and YUV
* image. It's just for convenience, again nothing specific to XviD
*
*****************************************************************************/
static int read_pgmheader(FILE* handle)
{
int bytes,xsize,ysize,depth;
char dummy[2];
bytes = fread(dummy,1,2,handle);
if ( (bytes < 2) || (dummy[0] != 'P') || (dummy[1] != '5' ))
return 1;
fscanf(handle,"%d %d %d",&xsize,&ysize,&depth);
if ( (xsize > 1440) || (ysize > 2880 ) || (depth != 255) )
{
fprintf(stderr,"%d %d %d\n",xsize,ysize,depth);
return 2;
}
if ( (XDIM==0) || (YDIM==0) )
{
XDIM=xsize;
YDIM=ysize*2/3;
}
return 0;
}
static int read_pgmdata(FILE* handle, unsigned char *image)
{
int i;
char dummy;
unsigned char *y = image;
unsigned char *u = image + XDIM*YDIM;
unsigned char *v = image + XDIM*YDIM + XDIM/2*YDIM/2;
/* read Y component of picture */
fread(y, 1, XDIM*YDIM, handle);
for (i=0;i<YDIM/2;i++)
{
/* read U */
fread(u, 1, XDIM/2, handle);
/* read V */
fread(v, 1, XDIM/2, handle);
/* Update pointers */
u += XDIM/2;
v += XDIM/2;
}
/* I don't know why, but this seems needed */
fread(&dummy, 1, 1, handle);
return 0;
}
static int read_yuvdata(FILE* handle, unsigned char *image)
{
if (fread(image, 1, IMAGE_SIZE(XDIM, YDIM), handle) != (unsigned int)IMAGE_SIZE(XDIM, YDIM))
return 1;
else
return 0;
}
/*****************************************************************************
* Routines for encoding: init encoder, frame step, release encoder
****************************************************************************/
#define FRAMERATE_INCR 1001
/* Initialize encoder for first use, pass all needed parameters to the codec */
static int enc_init(int use_assembler)
{
int xerr;
XVID_INIT_PARAM xinit;
XVID_ENC_PARAM xparam;
if(use_assembler) {
#ifdef ARCH_IA64
xinit.cpu_flags = XVID_CPU_FORCE | XVID_CPU_IA64;
#else
xinit.cpu_flags = 0;
#endif
}
else {
xinit.cpu_flags = XVID_CPU_FORCE;
}
xvid_init(NULL, 0, &xinit, NULL);
xparam.width = XDIM;
xparam.height = YDIM;
if ((ARG_FRAMERATE - (int)ARG_FRAMERATE) < SMALL_EPS)
{
xparam.fincr = 1;
xparam.fbase = (int)ARG_FRAMERATE;
}
else
{
xparam.fincr = FRAMERATE_INCR;
xparam.fbase = (int)(FRAMERATE_INCR * ARG_FRAMERATE);
}
xparam.rc_reaction_delay_factor = 16;
xparam.rc_averaging_period = 100;
xparam.rc_buffer = 10;
xparam.rc_bitrate = ARG_BITRATE*1000;
xparam.min_quantizer = ARG_MINQUANT;
xparam.max_quantizer = ARG_MAXQUANT;
xparam.max_key_interval = (int)ARG_FRAMERATE*10;
/* I use a small value here, since will not encode whole movies, but short clips */
xerr = xvid_encore(NULL, XVID_ENC_CREATE, &xparam, NULL);
enc_handle=xparam.handle;
return xerr;
}
static int enc_stop()
{
int xerr;
xerr = xvid_encore(enc_handle, XVID_ENC_DESTROY, NULL, NULL);
return xerr;
}
static int enc_main(unsigned char* image, unsigned char* bitstream,
unsigned char* hints_buffer,
long *streamlength, long *frametype, long *hints_size)
{
int xerr;
XVID_ENC_FRAME xframe;
XVID_ENC_STATS xstats;
xframe.bitstream = bitstream;
xframe.length = -1; /* this is written by the routine */
xframe.image = image;
// xframe.colorspace = XVID_CSP_YV12; /* defined in <xvid.h> */
xframe.colorspace = XVID_CSP_RGB24; /* defined in <xvid.h> */
xframe.intra = -1; /* let the codec decide between I-frame (1) and P-frame (0) */
xframe.quant = ARG_QUANTI; /* is quant != 0, use a fixed quant (and ignore bitrate) */
xframe.motion = motion_presets[ARG_QUALITY];
xframe.general = general_presets[ARG_QUALITY];
xframe.quant_intra_matrix = xframe.quant_inter_matrix = NULL;
xframe.hint.hintstream = hints_buffer;
if(ARG_HINTMODE == HINT_MODE_SET) {
xframe.hint.hintlength = *hints_size;
xframe.hint.rawhints = 0;
xframe.general |= XVID_HINTEDME_SET;
}
if(ARG_HINTMODE == HINT_MODE_GET) {
xframe.hint.rawhints = 0;
xframe.general |= XVID_HINTEDME_GET;
}
xerr = xvid_encore(enc_handle, XVID_ENC_ENCODE, &xframe, &xstats);
if(ARG_HINTMODE == HINT_MODE_GET)
*hints_size = xframe.hint.hintlength;
/*
* This is statictical data, e.g. for 2-pass. If you are not
* interested in any of this, you can use NULL instead of &xstats
*/
*frametype = xframe.intra;
*streamlength = xframe.length;
return xerr;
}