* Unbuffered io for ffmpeg system
* Copyright (c) 2001 Fabrice Bellard
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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 of the License, or (at your option) any later version.
+ * 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,
+ * FFmpeg 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avformat.h"
} else {
*q = '\0';
}
-
+
up = first_protocol;
while (up != NULL) {
if (!strcmp(proto_str, up->name))
{
int ret;
if (h->flags & URL_WRONLY)
- return -EIO;
+ return AVERROR_IO;
ret = h->prot->url_read(h, buf, size);
return ret;
}
-#ifdef CONFIG_ENCODERS
+#if defined(CONFIG_MUXERS) || defined(CONFIG_PROTOCOLS)
int url_write(URLContext *h, unsigned char *buf, int size)
{
int ret;
if (!(h->flags & (URL_WRONLY | URL_RDWR)))
- return -EIO;
+ return AVERROR_IO;
/* avoid sending too big packets */
if (h->max_packet_size && size > h->max_packet_size)
- return -EIO;
+ return AVERROR_IO;
ret = h->prot->url_write(h, buf, size);
return ret;
}
-#endif //CONFIG_ENCODERS
+#endif //CONFIG_MUXERS || CONFIG_PROTOCOLS
offset_t url_seek(URLContext *h, offset_t pos, int whence)
{
offset_t url_filesize(URLContext *h)
{
offset_t pos, size;
-
- pos = url_seek(h, 0, SEEK_CUR);
- size = url_seek(h, -1, SEEK_END)+1;
- url_seek(h, pos, SEEK_SET);
+
+ size= url_seek(h, 0, AVSEEK_SIZE);
+ if(size<0){
+ pos = url_seek(h, 0, SEEK_CUR);
+ size = url_seek(h, -1, SEEK_END)+1;
+ url_seek(h, pos, SEEK_SET);
+ }
return size;
}
-/*
+/*
* Return the maximum packet size associated to packetized file
* handle. If the file is not packetized (stream like http or file on
* disk), then 0 is returned.
- *
+ *
* @param h file handle
* @return maximum packet size in bytes
*/
return 0;
}
-/**
+/**
* The callback is called in blocking functions to test regulary if
* asynchronous interruption is needed. -EINTR is returned in this
* case by the interrupted function. 'NULL' means no interrupt
- * callback is given.
+ * callback is given.
*/
void url_set_interrupt_cb(URLInterruptCB *interrupt_cb)
{