lavc: restore copy_block{4,16} functions

[ffmpeg] / libavformat / concat.c

diff --git a/libavformat/concat.c b/libavformat/concat.c
index 40317de69ef401ee8025c60a4d45a3c7ec92b89e..416bbf5fc3bef1fcc36846f7c7fcc4194597836f 100644 (file)
--- a/libavformat/concat.c
+++ b/libavformat/concat.c
@@ -50,28 +50,22 @@ static av_cold int concat_close(URLContext *h)
         err |= ffurl_close(nodes[i].uc);
 
     av_freep(&data->nodes);
-    av_freep(&h->priv_data);
 
     return err < 0 ? -1 : 0;
 }
 
 static av_cold int concat_open(URLContext *h, const char *uri, int flags)
 {
-    char *node_uri = NULL, *tmp_uri;
+    char *node_uri = NULL;
     int err = 0;
     int64_t size;
     size_t  len, i;
     URLContext *uc;
-    struct concat_data  *data;
+    struct concat_data  *data = h->priv_data;
     struct concat_nodes *nodes;
 
     av_strstart(uri, "concat:", &uri);
 
-    /* creating data */
-    if (!(data = av_mallocz(sizeof(*data))))
-        return AVERROR(ENOMEM);
-    h->priv_data = data;
-
     for (i = 0, len = 1; uri[i]; i++)
         if (uri[i] == *AV_CAT_SEPARATOR)
             /* integer overflow */
@@ -80,8 +74,7 @@ static av_cold int concat_open(URLContext *h, const char *uri, int flags)
                 return AVERROR(ENAMETOOLONG);
             }
 
-    if (!(nodes = av_malloc(sizeof(*nodes) * len))) {
-        av_freep(&h->priv_data);
+    if (!(nodes = av_realloc(NULL, sizeof(*nodes) * len))) {
         return AVERROR(ENOMEM);
     } else
         data->nodes = nodes;
@@ -92,20 +85,18 @@ static av_cold int concat_open(URLContext *h, const char *uri, int flags)
     for (i = 0; *uri; i++) {
         /* parsing uri */
         len = strcspn(uri, AV_CAT_SEPARATOR);
-        if (!(tmp_uri = av_realloc(node_uri, len+1))) {
-            err = AVERROR(ENOMEM);
+        if ((err = av_reallocp(&node_uri, len + 1)) < 0)
             break;
-        } else
-            node_uri = tmp_uri;
         av_strlcpy(node_uri, uri, len+1);
         uri += len + strspn(uri+len, AV_CAT_SEPARATOR);
 
         /* creating URLContext */
-        if ((err = ffurl_open(&uc, node_uri, flags)) < 0)
+        if ((err = ffurl_open(&uc, node_uri, flags,
+                              &h->interrupt_callback, NULL)) < 0)
             break;
 
         /* creating size */
-        if ((size = url_filesize(uc)) < 0) {
+        if ((size = ffurl_size(uc)) < 0) {
             ffurl_close(uc);
             err = AVERROR(ENOSYS);
             break;
@@ -120,10 +111,9 @@ static av_cold int concat_open(URLContext *h, const char *uri, int flags)
 
     if (err < 0)
         concat_close(h);
-    else if (!(nodes = av_realloc(nodes, data->length * sizeof(*nodes)))) {
+    else if ((err = av_reallocp(&nodes, data->length * sizeof(*nodes))) < 0)
         concat_close(h);
-        err = AVERROR(ENOMEM);
-    } else
+    else
         data->nodes = nodes;
     return err;
 }
@@ -190,10 +180,10 @@ static int64_t concat_seek(URLContext *h, int64_t pos, int whence)
 }
 
 URLProtocol ff_concat_protocol = {
-    "concat",
-    concat_open,
-    concat_read,
-    NULL,
-    concat_seek,
-    concat_close,
+    .name           = "concat",
+    .url_open       = concat_open,
+    .url_read       = concat_read,
+    .url_seek       = concat_seek,
+    .url_close      = concat_close,
+    .priv_data_size = sizeof(struct concat_data),
 };