X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=afh.h;h=a441d5fecc322726189c43dc45c78ceae108b847;hp=52d50a9103c8093a840c9b8e09003ad764f69c1f;hb=3cd38df0574ccdb7e6d941500ba9a96e003196aa;hpb=a6e79f02b6eab623425686f8f3cab5bc942e77d4 diff --git a/afh.h b/afh.h index 52d50a91..a441d5fe 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. */ @@ -23,13 +23,10 @@ /** \endcond */ -/** size of the audio_file info string */ +/** Size of the audio_file info string. */ #define AUDIO_FILE_INFO_SIZE 256 -/** - * Audio format dependent information. Details vary between each audio format - * handler. - */ +/** Audio format dependent information. */ struct afh_info { /** The number of chunks this audio file contains. */ long unsigned chunks_total; @@ -46,6 +43,11 @@ 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 @@ -53,15 +55,10 @@ 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; @@ -106,3 +103,6 @@ int guess_audio_format(const char *name); int compute_afhi(const char *path, char *data, size_t size, struct afh_info *afhi); const char *audio_format_name(int); +void afh_get_chunk(long unsigned chunk_num, struct afh_info *afhi, + void *map, char **buf, size_t *len); +void afh_get_header(struct afh_info *afhi, void *map, char **buf, size_t *len);