/*
- * Copyright (C) 2005-2014 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005 Andre Noll <maan@tuebingen.mpg.de>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
uint16_t bitrate;
};
+/** Data about the current audio file, passed from afs to server. */
+struct audio_file_data {
+ /** The open file descriptor to the current audio file. */
+ int fd;
+ /** Vss needs this for streaming. */
+ struct afh_info afhi;
+ /** Size of the largest chunk. */
+ uint32_t max_chunk_size;
+ /** Needed to get the audio file header. */
+ uint8_t audio_format_id;
+};
+
/**
- * Structure for audio format handling.
+ * Structure for audio format handling.
*
- * There's one such struct for each supported audio format. Initially, only \a
- * name and \a init are defined. During the startup process, para_server calls
- * the \a init function of each audio format handler which is expected to fill
- * in the other part of this struct.
+ * There's one such struct for each supported audio format. Initially, only \a
+ * name and \a init are defined. During the startup process, para_server calls
+ * the \a init function of each audio format handler which is expected to fill
+ * in the other part of this struct.
*/
struct audio_format_handler {
/** Name of the audio format. */
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);
+ /**
+ * Write audio file with altered tags, optional.
+ *
+ * The output file descriptor has been opened by the caller and must not
+ * be closed in this function.
+ */
+ int (*rewrite_tags)(const char *map, size_t mapsize, struct taginfo *tags,
+ int output_fd, const char *filename);
};
void afh_init(void);
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);
+int32_t afh_get_start_chunk(int32_t approx_chunk_num,
+ const struct afh_info *afhi);
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);
void clear_afhi(struct afh_info *afhi);
unsigned afh_get_afhi_txt(int audio_format_num, struct afh_info *afhi, char **result);
+int afh_rewrite_tags(int audio_format_id, void *map, size_t mapsize,
+ struct taginfo *tags, int output_fd, const char *filename);