[FFmpeg-cvslog] r14857 - in trunk/libavformat: avio.c avio.h
rbultje
subversion
Wed Aug 20 01:44:23 CEST 2008
Author: rbultje
Date: Wed Aug 20 01:44:23 2008
New Revision: 14857
Log:
Implement url_open_protocol(), which is basiclly the former url_open() but which opens a URLProtocol instead of a filename. url_open() is reimplemented to call url_open_protocol(). See discussion on "url_open_protocol" on ffmpeg-devel.
Modified:
trunk/libavformat/avio.c
trunk/libavformat/avio.h
Modified: trunk/libavformat/avio.c
==============================================================================
--- trunk/libavformat/avio.c (original)
+++ trunk/libavformat/avio.c Wed Aug 20 01:44:23 2008
@@ -59,41 +59,12 @@ int register_protocol(URLProtocol *proto
return 0;
}
-int url_open(URLContext **puc, const char *filename, int flags)
+int url_open_protocol (URLContext **puc, struct URLProtocol *up,
+ const char *filename, int flags)
{
URLContext *uc;
- URLProtocol *up;
- const char *p;
- char proto_str[128], *q;
int err;
- p = filename;
- q = proto_str;
- while (*p != '\0' && *p != ':') {
- /* protocols can only contain alphabetic chars */
- if (!isalpha(*p))
- goto file_proto;
- if ((q - proto_str) < sizeof(proto_str) - 1)
- *q++ = *p;
- p++;
- }
- /* if the protocol has length 1, we consider it is a dos drive */
- if (*p == '\0' || (q - proto_str) <= 1) {
- file_proto:
- strcpy(proto_str, "file");
- } else {
- *q = '\0';
- }
-
- up = first_protocol;
- while (up != NULL) {
- if (!strcmp(proto_str, up->name))
- goto found;
- up = up->next;
- }
- err = AVERROR(ENOENT);
- goto fail;
- found:
uc = av_malloc(sizeof(URLContext) + strlen(filename) + 1);
if (!uc) {
err = AVERROR(ENOMEM);
@@ -117,7 +88,7 @@ int url_open(URLContext **puc, const cha
//We must be carefull here as url_seek() could be slow, for example for http
if( (flags & (URL_WRONLY | URL_RDWR))
- || !strcmp(proto_str, "file"))
+ || !strcmp(up->name, "file"))
if(!uc->is_streamed && url_seek(uc, 0, SEEK_SET) < 0)
uc->is_streamed= 1;
*puc = uc;
@@ -127,6 +98,40 @@ int url_open(URLContext **puc, const cha
return err;
}
+int url_open(URLContext **puc, const char *filename, int flags)
+{
+ URLProtocol *up;
+ const char *p;
+ char proto_str[128], *q;
+
+ p = filename;
+ q = proto_str;
+ while (*p != '\0' && *p != ':') {
+ /* protocols can only contain alphabetic chars */
+ if (!isalpha(*p))
+ goto file_proto;
+ if ((q - proto_str) < sizeof(proto_str) - 1)
+ *q++ = *p;
+ p++;
+ }
+ /* if the protocol has length 1, we consider it is a dos drive */
+ if (*p == '\0' || (q - proto_str) <= 1) {
+ file_proto:
+ strcpy(proto_str, "file");
+ } else {
+ *q = '\0';
+ }
+
+ up = first_protocol;
+ while (up != NULL) {
+ if (!strcmp(proto_str, up->name))
+ return url_open_protocol (puc, up, filename, flags);
+ up = up->next;
+ }
+ *puc = NULL;
+ return AVERROR(ENOENT);
+}
+
int url_read(URLContext *h, unsigned char *buf, int size)
{
int ret;
Modified: trunk/libavformat/avio.h
==============================================================================
--- trunk/libavformat/avio.h (original)
+++ trunk/libavformat/avio.h Wed Aug 20 01:44:23 2008
@@ -62,6 +62,8 @@ typedef struct URLPollEntry {
typedef int URLInterruptCB(void);
+int url_open_protocol (URLContext **puc, struct URLProtocol *up,
+ const char *filename, int flags);
int url_open(URLContext **h, const char *filename, int flags);
int url_read(URLContext *h, unsigned char *buf, int size);
int url_write(URLContext *h, unsigned char *buf, int size);
More information about the ffmpeg-cvslog
mailing list