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/*
* Copyright (C) 2000 the xine project
*
* This file is part of xine, a unix video player.
*
* xine 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.
*
* xine 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: input_file.c,v 1.4 2001/04/24 17:42:27 guenter Exp $
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include "xine_internal.h"
#include "monitor.h"
#include "input_plugin.h"
static uint32_t xine_debug;
typedef struct file_input_plugin_s {
input_plugin_t input_plugin;
int fh;
char *mrl;
config_values_t *config;
} file_input_plugin_t;
static uint32_t file_plugin_get_capabilities (input_plugin_t *this_gen) {
return INPUT_CAP_SEEKABLE;
}
static int file_plugin_open (input_plugin_t *this_gen, char *mrl) {
char *filename;
file_input_plugin_t *this = (file_input_plugin_t *) this_gen;
this->mrl = mrl;
if (!strncasecmp (mrl, "file:",5))
filename = &mrl[5];
else
filename = mrl;
xprintf (VERBOSE|INPUT, "Opening >%s<\n",filename);
this->fh = open (filename, O_RDONLY);
if (this->fh == -1) {
return 0;
}
return 1;
}
static off_t file_plugin_read (input_plugin_t *this_gen, char *buf, off_t len) {
file_input_plugin_t *this = (file_input_plugin_t *) this_gen;
return read (this->fh, buf, len);
}
static buf_element_t *file_plugin_read_block (input_plugin_t *this_gen, fifo_buffer_t *fifo, off_t todo) {
off_t num_bytes, total_bytes;
file_input_plugin_t *this = (file_input_plugin_t *) this_gen;
buf_element_t *buf = fifo->buffer_pool_alloc (fifo);
buf->content = buf->mem;
total_bytes = 0;
while (total_bytes < todo) {
num_bytes = read (this->fh, buf->mem + total_bytes, todo-total_bytes);
total_bytes += num_bytes;
if (!num_bytes) {
buf->free_buffer (buf);
return NULL;
}
}
return buf;
}
static off_t file_plugin_seek (input_plugin_t *this_gen, off_t offset, int origin) {
file_input_plugin_t *this = (file_input_plugin_t *) this_gen;
return lseek (this->fh, offset, origin);
}
static off_t file_plugin_get_current_pos (input_plugin_t *this_gen){
file_input_plugin_t *this = (file_input_plugin_t *) this_gen;
return lseek (this->fh, 0, SEEK_CUR);
}
static off_t file_plugin_get_length (input_plugin_t *this_gen) {
struct stat buf ;
file_input_plugin_t *this = (file_input_plugin_t *) this_gen;
if (fstat (this->fh, &buf) == 0) {
return buf.st_size;
} else
perror ("system call fstat");
return 0;
}
static uint32_t file_plugin_get_blocksize (input_plugin_t *this_gen) {
return 0;
}
static char **file_plugin_get_dir (input_plugin_t *this_gen, char *filename, int *nFiles) {
/* not yet implemented */
printf ("input_file : get_dir () not implemented yet!\n");
return NULL;
}
static int file_plugin_eject_media (input_plugin_t *this_gen) {
return 1; /* doesn't make sense */
}
static char* file_plugin_get_mrl (input_plugin_t *this_gen) {
file_input_plugin_t *this = (file_input_plugin_t *) this_gen;
return this->mrl;
}
static void file_plugin_close (input_plugin_t *this_gen) {
file_input_plugin_t *this = (file_input_plugin_t *) this_gen;
xprintf (VERBOSE|INPUT, "closing input\n");
close(this->fh);
this->fh = -1;
}
static char *file_plugin_get_description (input_plugin_t *this_gen) {
return "plain file input plugin as shipped with xine";
}
static char *file_plugin_get_identifier (input_plugin_t *this_gen) {
return "file";
}
input_plugin_t *get_input_plugin (int iface, config_values_t *config) {
file_input_plugin_t *this;
xine_debug = config->lookup_int (config, "xine_debug", 0);
switch (iface) {
case 1:
this = (file_input_plugin_t *) malloc (sizeof (file_input_plugin_t));
this->input_plugin.interface_version = INPUT_PLUGIN_IFACE_VERSION;
this->input_plugin.get_capabilities = file_plugin_get_capabilities;
this->input_plugin.open = file_plugin_open;
this->input_plugin.read = file_plugin_read;
this->input_plugin.read_block = file_plugin_read_block;
this->input_plugin.seek = file_plugin_seek;
this->input_plugin.get_current_pos = file_plugin_get_current_pos;
this->input_plugin.get_length = file_plugin_get_length;
this->input_plugin.get_blocksize = file_plugin_get_blocksize;
this->input_plugin.get_dir = file_plugin_get_dir;
this->input_plugin.eject_media = file_plugin_eject_media;
this->input_plugin.get_mrl = file_plugin_get_mrl;
this->input_plugin.close = file_plugin_close;
this->input_plugin.get_description = file_plugin_get_description;
this->input_plugin.get_identifier = file_plugin_get_identifier;
this->input_plugin.get_autoplay_list = NULL;
this->input_plugin.get_clut = NULL;
this->fh = -1;
this->mrl = NULL;
this->config = config;
return (input_plugin_t *) this;
break;
default:
fprintf(stderr,
"File input plugin doesn't support plugin API version %d.\n"
"PLUGIN DISABLED.\n"
"This means there's a version mismatch between xine and this input"
"plugin.\nInstalling current input plugins should help.\n",
iface);
return NULL;
}
}
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