X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=afh.h;h=e315f7870240b5796098e5cf9994acdfceea6cf5;hp=1e37c9c39c26a328c6663e8108f9ff2d071ff4a2;hb=6442f07bb08eb6e557086587f997b1785ea18ef7;hpb=732db80493440d188963cea27d822447925ab5ad diff --git a/afh.h b/afh.h index 1e37c9c3..e315f787 100644 --- a/afh.h +++ b/afh.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2005-2007 Andre Noll + * Copyright (C) 2005-2008 Andre Noll * * Licensed under the GPL v2. For licencing details see COPYING. */ @@ -23,9 +23,6 @@ /** \endcond */ -/** size of the audio_file info string */ -#define AUDIO_FILE_INFO_SIZE 256 - /** Audio format dependent information. */ struct afh_info { /** The number of chunks this audio file contains. */ @@ -33,7 +30,7 @@ struct afh_info { /** The length of the audio file in seconds. */ long unsigned seconds_total; /** A string that gets filled in by the audio format handler. */ - char info_string[AUDIO_FILE_INFO_SIZE]; + char *info_string; /** * The table that specifies the offset of the individual pieces in * the current audio file. @@ -43,6 +40,11 @@ struct afh_info { struct timeval chunk_tv; /** End of file timeout - Do not load new audio file until this time. */ struct timeval eof_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 @@ -50,15 +52,10 @@ struct afh_info { * treatment. The audio format handler does not need to set this to * zero in this case. */ - unsigned header_len; - /** - * The position of the header within the audio file. Ignored if \a - * header_len equals zero. - */ - unsigned header_offset; + uint32_t header_len; /** The number of channels. */ uint8_t channels; - /** Frquency on Hz. */ + /** Frequency in Hz. */ uint16_t frequency; /** Exact meaning depends on audio format. */ uint16_t bitrate; @@ -94,12 +91,17 @@ struct audio_format_handler { * * \sa struct afh_info */ - int (*get_file_info)(char *map, size_t numbytes, + int (*get_file_info)(char *map, size_t numbytes, int fd, struct afh_info *afi); }; void afh_init(void); int guess_audio_format(const char *name); int compute_afhi(const char *path, char *data, size_t size, - struct afh_info *afhi); + int fd, struct afh_info *afhi); 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); +char *make_taginfo(char *title, char *artist, char *album, char *year, + char *comment);