Merge remote-tracking branch 'qatar/master'

[ffmpeg] / libavformat / avio.c

diff --git a/libavformat/avio.c b/libavformat/avio.c
index 330d52cfecb8bd4eb851ac7858cfc5d3e30c44ee..418a8a79fcecab80aa7f60d72d7ba3e621a0fdc3 100644 (file)
--- 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
  */
 
@@ -73,7 +73,7 @@ static const AVClass *urlcontext_child_class_next(const AVClass *prev)
 }
 
 static const AVOption options[] = {{NULL}};
-static const AVClass urlcontext_class = {
+const AVClass ffurl_context_class = {
     .class_name     = "URLContext",
     .item_name      = urlcontext_to_name,
     .option         = options,
@@ -83,16 +83,16 @@ static const AVClass urlcontext_class = {
 };
 /*@}*/
 
-static int default_interrupt_cb(void);
 
+#if FF_API_OLD_INTERRUPT_CB
+static int default_interrupt_cb(void);
 int (*url_interrupt_cb)(void) = default_interrupt_cb;
+#endif
 
-#if FF_API_OLD_AVIO
 URLProtocol *av_protocol_next(URLProtocol *p)
 {
     return ffurl_protocol_next(p);
 }
-#endif
 
 const char *avio_enum_protocols(void **opaque, int output)
 {
@@ -127,7 +127,7 @@ static int url_alloc_for_protocol (URLContext **puc, struct URLProtocol *up,
     int err;
 
 #if CONFIG_NETWORK
-    if (!ff_network_init())
+    if (up->flags & URL_PROTOCOL_FLAG_NETWORK && !ff_network_init())
         return AVERROR(EIO);
 #endif
     uc = av_mallocz(sizeof(URLContext) + strlen(filename) + 1);
@@ -135,7 +135,7 @@ static int url_alloc_for_protocol (URLContext **puc, struct URLProtocol *up,
         err = AVERROR(ENOMEM);
         goto fail;
     }
-    uc->av_class = &urlcontext_class;
+    uc->av_class = &ffurl_context_class;
     uc->filename = (char *) &uc[1];
     strcpy(uc->filename, filename);
     uc->prot = up;
@@ -145,8 +145,32 @@ 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);
+                    goto fail;
+                }
+                memmove(start, key+1, strlen(key));
+            }
         }
     }
     if (int_cb)
@@ -157,7 +181,8 @@ static int url_alloc_for_protocol (URLContext **puc, struct URLProtocol *up,
  fail:
     *puc = NULL;
 #if CONFIG_NETWORK
-    ff_network_close();
+    if (up->flags & URL_PROTOCOL_FLAG_NETWORK)
+        ff_network_close();
 #endif
     return err;
 }
@@ -267,11 +292,18 @@ 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';
@@ -329,7 +361,7 @@ static inline int retry_transfer_wrapper(URLContext *h, unsigned char *buf, int
         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;
@@ -357,7 +389,7 @@ 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, buf, size, size, (void*)h->prot->url_write);
 }
 
 int64_t ffurl_seek(URLContext *h, int64_t pos, int whence)
@@ -378,7 +410,8 @@ int ffurl_close(URLContext *h)
     if (h->is_connected && h->prot->url_close)
         ret = h->prot->url_close(h);
 #if CONFIG_NETWORK
-    ff_network_close();
+    if (h->prot->flags & URL_PROTOCOL_FLAG_NETWORK)
+        ff_network_close();
 #endif
     if (h->prot->priv_data_size) {
         if (h->prot->priv_data_class)
@@ -441,6 +474,7 @@ int ffurl_get_file_handle(URLContext *h)
     return h->prot->url_get_file_handle(h);
 }
 
+#if FF_API_OLD_INTERRUPT_CB
 static int default_interrupt_cb(void)
 {
     return 0;
@@ -452,13 +486,18 @@ void avio_set_interrupt_cb(int (*interrupt_cb)(void))
         interrupt_cb = default_interrupt_cb;
     url_interrupt_cb = interrupt_cb;
 }
+#endif
 
 int ff_check_interrupt(AVIOInterruptCB *cb)
 {
     int ret;
     if (cb && cb->callback && (ret = cb->callback(cb->opaque)))
         return ret;
+#if FF_API_OLD_INTERRUPT_CB
     return url_interrupt_cb();
+#else
+    return 0;
+#endif
 }
 
 #if FF_API_OLD_AVIO