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Diffstat (limited to 'libavformat/avio.c')
-rw-r--r--libavformat/avio.c75
1 files changed, 61 insertions, 14 deletions
diff --git a/libavformat/avio.c b/libavformat/avio.c
index a43b241399..6d8a8bb92a 100644
--- a/libavformat/avio.c
+++ b/libavformat/avio.c
@@ -2,20 +2,20 @@
* unbuffered I/O
* Copyright (c) 2001 Fabrice Bellard
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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 2.1 of the License, or (at your option) any later version.
*
- * Libav 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -134,8 +134,33 @@ static int url_alloc_for_protocol (URLContext **puc, struct URLProtocol *up,
if (up->priv_data_size) {
uc->priv_data = av_mallocz(up->priv_data_size);
if (up->priv_data_class) {
+ int proto_len= strlen(up->name);
+ char *start = strchr(uc->filename, ',');
*(const AVClass**)uc->priv_data = up->priv_data_class;
av_opt_set_defaults(uc->priv_data);
+ if(!strncmp(up->name, uc->filename, proto_len) && uc->filename + proto_len == start){
+ int ret= 0;
+ char *p= start;
+ char sep= *++p;
+ char *key, *val;
+ p++;
+ while(ret >= 0 && (key= strchr(p, sep)) && p<key && (val = strchr(key+1, sep))){
+ *val= *key= 0;
+ ret= av_opt_set(uc->priv_data, p, key+1, 0);
+ if (ret == AVERROR_OPTION_NOT_FOUND)
+ av_log(uc, AV_LOG_ERROR, "Key '%s' not found.\n", p);
+ *val= *key= sep;
+ p= val+1;
+ }
+ if(ret<0 || p!=key){
+ av_log(uc, AV_LOG_ERROR, "Error parsing options string %s\n", start);
+ av_freep(&uc->priv_data);
+ av_freep(&uc);
+ err = AVERROR(EINVAL);
+ goto fail;
+ }
+ memmove(start, key+1, strlen(key));
+ }
}
}
if (int_cb)
@@ -180,11 +205,18 @@ int ffurl_alloc(URLContext **puc, const char *filename, int flags,
char proto_str[128], proto_nested[128], *ptr;
size_t proto_len = strspn(filename, URL_SCHEME_CHARS);
- if (filename[proto_len] != ':' || is_dos_path(filename))
+ if (!first_protocol) {
+ av_log(NULL, AV_LOG_WARNING, "No URL Protocols are registered. "
+ "Missing call to av_register_all()?\n");
+ }
+
+ if (filename[proto_len] != ':' && filename[proto_len] != ',' || is_dos_path(filename))
strcpy(proto_str, "file");
else
av_strlcpy(proto_str, filename, FFMIN(proto_len+1, sizeof(proto_str)));
+ if ((ptr = strchr(proto_str, ',')))
+ *ptr = '\0';
av_strlcpy(proto_nested, proto_str, sizeof(proto_nested));
if ((ptr = strchr(proto_nested, '+')))
*ptr = '\0';
@@ -197,7 +229,7 @@ int ffurl_alloc(URLContext **puc, const char *filename, int flags,
return url_alloc_for_protocol (puc, up, filename, flags, int_cb);
}
*puc = NULL;
- return AVERROR(ENOENT);
+ return AVERROR_PROTOCOL_NOT_FOUND;
}
int ffurl_open(URLContext **puc, const char *filename, int flags,
@@ -223,6 +255,7 @@ static inline int retry_transfer_wrapper(URLContext *h, unsigned char *buf, int
{
int ret, len;
int fast_retries = 5;
+ int64_t wait_since = 0;
len = 0;
while (len < size_min) {
@@ -233,16 +266,23 @@ static inline int retry_transfer_wrapper(URLContext *h, unsigned char *buf, int
return ret;
if (ret == AVERROR(EAGAIN)) {
ret = 0;
- if (fast_retries)
+ if (fast_retries) {
fast_retries--;
- else
+ } else {
+ if (h->rw_timeout) {
+ if (!wait_since)
+ wait_since = av_gettime();
+ else if (av_gettime() > wait_since + h->rw_timeout)
+ return AVERROR(EIO);
+ }
av_usleep(1000);
+ }
} else if (ret < 1)
return ret < 0 ? ret : len;
if (ret)
fast_retries = FFMAX(fast_retries, 2);
len += ret;
- if (ff_check_interrupt(&h->interrupt_callback))
+ if (len < size && ff_check_interrupt(&h->interrupt_callback))
return AVERROR_EXIT;
}
return len;
@@ -270,7 +310,7 @@ int ffurl_write(URLContext *h, const unsigned char *buf, int size)
if (h->max_packet_size && size > h->max_packet_size)
return AVERROR(EIO);
- return retry_transfer_wrapper(h, buf, size, size, h->prot->url_write);
+ return retry_transfer_wrapper(h, (unsigned char *)buf, size, size, (void*)h->prot->url_write);
}
int64_t ffurl_seek(URLContext *h, int64_t pos, int whence)
@@ -283,8 +323,9 @@ int64_t ffurl_seek(URLContext *h, int64_t pos, int whence)
return ret;
}
-int ffurl_close(URLContext *h)
+int ffurl_closep(URLContext **hh)
{
+ URLContext *h= *hh;
int ret = 0;
if (!h) return 0; /* can happen when ffurl_open fails */
@@ -297,12 +338,18 @@ int ffurl_close(URLContext *h)
if (h->prot->priv_data_size) {
if (h->prot->priv_data_class)
av_opt_free(h->priv_data);
- av_free(h->priv_data);
+ av_freep(&h->priv_data);
}
- av_free(h);
+ av_freep(hh);
return ret;
}
+int ffurl_close(URLContext *h)
+{
+ return ffurl_closep(&h);
+}
+
+
int avio_check(const char *url, int flags)
{
URLContext *h;
@@ -349,7 +396,7 @@ int ffurl_get_multi_file_handle(URLContext *h, int **handles, int *numhandles)
if (!h->prot->url_get_multi_file_handle) {
if (!h->prot->url_get_file_handle)
return AVERROR(ENOSYS);
- *handles = av_malloc(sizeof(*handles));
+ *handles = av_malloc(sizeof(**handles));
if (!*handles)
return AVERROR(ENOMEM);
*numhandles = 1;