X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Favio.h;h=d022820a6edf301a06389f83f2ce01f93a3decae;hb=a04ad248a05e7b613abe09b3bb067f555108d794;hp=dcb8dcdf93ade80ba2bb767f2f008fb26ac168cc;hpb=f32d2939555706365ad1d39aadd5ee7ce1d9fa4f;p=ffmpeg

diff --git a/libavformat/avio.h b/libavformat/avio.h
index dcb8dcdf93a..d022820a6ed 100644
--- a/libavformat/avio.h
+++ b/libavformat/avio.h
@@ -571,9 +571,29 @@ int64_t avio_size(AVIOContext *s);
  */
 int avio_feof(AVIOContext *s);
 
-/** @warning Writes up to 4 KiB per call */
+/**
+ * Writes a formatted string to the context.
+ * @return number of bytes written, < 0 on error.
+ */
 int avio_printf(AVIOContext *s, const char *fmt, ...) av_printf_format(2, 3);
 
+/**
+ * Write a NULL terminated array of strings to the context.
+ * Usually you don't need to use this function directly but its macro wrapper,
+ * avio_print.
+ */
+void avio_print_string_array(AVIOContext *s, const char *strings[]);
+
+/**
+ * Write strings (const char *) to the context.
+ * This is a convenience macro around avio_print_string_array and it
+ * automatically creates the string array from the variable argument list.
+ * For simple string concatenations this function is more performant than using
+ * avio_printf since it does not need a temporary buffer.
+ */
+#define avio_print(s, ...) \
+    avio_print_string_array(s, (const char*[]){__VA_ARGS__, NULL})
+
 /**
  * Force flushing of buffered data.
  *
@@ -787,6 +807,13 @@ int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer);
  */
 const char *avio_enum_protocols(void **opaque, int output);
 
+/**
+ * Get AVClass by names of available protocols.
+ *
+ * @return A AVClass of input protocol name or NULL
+ */
+const AVClass *avio_protocol_get_class(const char *name);
+
 /**
  * Pause and resume playing - only meaningful if using a network streaming
  * protocol (e.g. MMS).