X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Faviobuf.c;h=24c6b79097a7300e63a828bc583e0c37cfb59ccb;hb=2904d052b7ca8714fda5c039c958bc0a0ae40877;hp=738459e83034e7b2183c9c39e0fd8e7701caf961;hpb=4c91599484e115e9b51c884fc46cea3f8511f8ae;p=ffmpeg

diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c
index 738459e8303..24c6b79097a 100644
--- a/libavformat/aviobuf.c
+++ b/libavformat/aviobuf.c
@@ -19,6 +19,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/bprint.h"
 #include "libavutil/crc.h"
 #include "libavutil/dict.h"
 #include "libavutil/intreadwrite.h"
@@ -953,6 +954,24 @@ int64_t avio_seek_time(AVIOContext *s, int stream_index,
     return ret;
 }
 
+int avio_read_to_bprint(AVIOContext *h, AVBPrint *pb, size_t max_size)
+{
+    int ret;
+    char buf[1024];
+    while (max_size) {
+        ret = avio_read(h, buf, FFMIN(max_size, sizeof(buf)));
+        if (ret == AVERROR_EOF)
+            return 0;
+        if (ret <= 0)
+            return ret;
+        av_bprint_append_data(pb, buf, ret);
+        if (!av_bprint_is_complete(pb))
+            return AVERROR(ENOMEM);
+        max_size -= ret;
+    }
+    return 0;
+}
+
 /* output in a dynamic buffer */
 
 typedef struct DynBuffer {