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/*******************************************************************************
rechunk.c
libquicktime - A library for reading and writing quicktime/avi/mp4 files.
http://libquicktime.sourceforge.net
Copyright (C) 2002 Heroine Virtual Ltd.
Copyright (C) 2002-2011 Members of the libquicktime project.
This library is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free
Software Foundation; either version 2.1 of the License, or (at your option)
any later version.
This library is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
details.
You should have received a copy of the GNU Lesser General Public License along
with this library; if not, write to the Free Software Foundation, Inc., 51
Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*******************************************************************************/
#include "lqt_private.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <errno.h>
static int usage(void)
{
printf("usage: qtrechunk [-f framerate] [-w width] [-h height] [-c fourcc] [-b bitdepth] [-l file_list | <input frames>] <output movie>\n");
printf(" Concatenate input frames into a Quicktime movie.\n\n");
printf(" -l <file_list> reads filenames of the frame from\n");
printf(" <file_list>, which must contain one filename per line\n");
printf(" -f specifies the framerate either as float or rational number\n");
printf(" e.g. -f 30000:1001\n");
exit(1);
return 0;
}
static char ** add_frames_from_file(char ** input_frames,
int * total_input_frames, char * list_filename)
{
FILE * input;
char * pos;
#ifdef PATH_MAX
char filename[PATH_MAX+10];
#else
char *filename = NULL;
#endif
input = fopen(list_filename, "r");
if(!input)
{
fprintf(stderr, "Cannot open %s: %s\n", list_filename, strerror(errno));
exit(1);
return (char**)0;
}
#ifdef PATH_MAX
while(fgets(filename, PATH_MAX+10, input))
#else
while(getline(&filename, NULL, input) != -1)
#endif
{
/* Delete trailing '\n' and '\r' */
pos = &(filename[strlen(filename)-1]);
while(1)
{
if(*pos == '\r')
*pos = '\0';
if(*pos == '\n')
*pos = '\0';
else
break;
if(pos == filename)
{
#ifndef PATH_MAX
free(filename);
#endif
return input_frames;
}
pos--;
}
/* Add filename */
(*total_input_frames)++;
input_frames = realloc(input_frames, sizeof(char*) * *total_input_frames);
input_frames[*total_input_frames - 1] = strdup(filename);
// fprintf(stderr, "Adding file %s\n", input_frames[*total_input_frames - 1]);
#ifndef PATH_MAX
free(filename);
filename = NULL;
#endif
}
return input_frames;
}
int main(int argc, char *argv[])
{
lqt_codec_info_t ** codec_info;
quicktime_t *file;
FILE *input;
int i, j;
char *output = 0;
uint8_t *data = 0;
int bytes = 0;
float output_rate = 0;
char **input_frames = 0;
int total_input_frames = 0;
int width = 720, height = 480, bit_depth = 24;
char compressor[5] = "yv12";
int output_rate_num = 0;
int output_rate_den = 0;
if(argc < 3)
{
usage();
}
for(i = 1, j = 0; i < argc; i++)
{
if(!strcmp(argv[i], "-f"))
{
if(i + 1 < argc)
{
i++;
if(sscanf(argv[i], "%d:%d", &output_rate_num,
&output_rate_den) < 2)
{
output_rate = atof(argv[i]);
output_rate_num = 0;
}
fprintf(stderr, "Rate: %f (%d:%d)\n", output_rate,
output_rate_num, output_rate_den);
}
else
usage();
}
else
if(!strcmp(argv[i], "-w"))
{
if(i + 1 < argc)
width = atol(argv[++i]);
else
usage();
}
else
if(!strcmp(argv[i], "-h"))
{
if(i + 1 < argc)
height = atol(argv[++i]);
else
usage();
}
else
if(!strcmp(argv[i], "-c"))
{
if(i + 1 < argc)
{
strncpy(compressor, argv[++i], 4);
}
else
usage();
}
else
if(!strcmp(argv[i], "-b"))
{
if(i + 1 < argc)
bit_depth = atoi(argv[++i]);
else
usage();
}
else if(i == argc - 1)
{
output = argv[i];
}
else
if(!strcmp(argv[i], "-l"))
{
if(i + 1 < argc)
input_frames =
add_frames_from_file(input_frames,
&total_input_frames, argv[++i]);
else
usage();
}
else
{
total_input_frames++;
input_frames = realloc(input_frames, sizeof(char*) * total_input_frames);
input_frames[total_input_frames - 1] = argv[i];
}
}
input = fopen(output, "rb");
if(input != NULL)
{
printf("Output file already exists.\n");
exit(1);
}
if(!(file = quicktime_open(output, 0, 1)))
{
printf("Open failed\n");
exit(1);
}
if(!output_rate_num)
quicktime_set_video(file, 1, width, height, output_rate, compressor);
else
{
codec_info = lqt_find_video_codec(compressor, 1);
lqt_add_video_track(file, width, height, output_rate_den, output_rate_num,
*codec_info);
lqt_destroy_codec_info(codec_info);
}
quicktime_set_depth(file, bit_depth, 0);
for(i = 0; i < total_input_frames; i++)
{
/* Get output file */
if(!(input = fopen(input_frames[i], "rb")))
{
perror("Open failed");
continue;
}
/* Get input frame */
fseek(input, 0, SEEK_END);
bytes = ftell(input);
fseek(input, 0, SEEK_SET);
data = realloc(data, bytes);
fread(data, bytes, 1, input);
quicktime_write_frame(file, data, bytes, 0);
fclose(input);
if(!(i % 10))
{
if(i)
{
for(j = 0; j < 17; j++)
putchar(0x08);
}
printf("%6.2f%% Completed", 100.0 * (float)(i+1) / (float)(total_input_frames));
fflush(stdout);
}
}
printf("\n");
quicktime_close(file);
return 0;
}
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