X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=afh.h;h=a574edf5899f9f43c4abd0f2e6fc39085bb49854;hp=f6286b24ba6243f561f264aa404601c1d4d4a29d;hb=0cbd0ac87ebe208b0d47df28e86c16886bdb687d;hpb=a358653e195bb99f97aeedd7e23956b3caa10fa7

diff --git a/afh.h b/afh.h
index f6286b24..a574edf5 100644
--- a/afh.h
+++ b/afh.h
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2005-2011 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2012 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
 
-/** \file afh.h structures for audio format handling (para_server) */
+/** \file afh.h Structures for audio format handling (para_server). */
 
 /**
  * The tags used by all audio format handlers.
@@ -42,11 +42,6 @@ struct afh_info {
 	uint32_t *chunk_table;
 	/** Period of time between sending data chunks. */
 	struct timeval chunk_tv;
-	/**
-	 * The position of the header within the audio file. Ignored if \a
-	 * header_len equals zero.
-	 */
-	uint32_t header_offset;
 	/**
 	 * The header is needed by senders in case a new client connects in the
 	 * middle of the stream. The length of the header defaults to zero
@@ -85,7 +80,7 @@ struct audio_format_handler {
 	/**
 	 * Check if this audio format handler can handle the file.
 	 *
-	 * This is a  pointer to a function returning whether a given file is
+	 * This is a pointer to a function returning whether a given file is
 	 * valid for this audio format. A negative return value indicates that
 	 * this audio format handler is unable to decode the given file. On
 	 * success, the function must return a positive value and fill in the
@@ -95,6 +90,8 @@ struct audio_format_handler {
 	 */
 	int (*get_file_info)(char *map, size_t numbytes, int fd,
 		struct afh_info *afi);
+	/** Optional, used for header-rewriting. See \ref afh_get_header(). */
+	void (*get_header)(void *map, size_t mapsize, char **buf, size_t *len);
 };
 
 void afh_init(void);
@@ -104,4 +101,6 @@ int compute_afhi(const char *path, char *data, size_t size,
 const char *audio_format_name(int);
 void afh_get_chunk(long unsigned chunk_num, struct afh_info *afhi,
 		void *map, const char **buf, size_t *len);
-void afh_get_header(struct afh_info *afhi, void *map, const char **buf, size_t *len);
+void afh_get_header(struct afh_info *afhi, uint8_t audio_format_id,
+		void *map, size_t mapsize, char **buf, size_t *len);
+void afh_free_header(char *header_buf, uint8_t audio_format_id);