X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=afh_common.c;h=bb04453f599e29218abb955d18fcb74a078d1eb8;hp=bec99bf4d29b6fb8b75d66e29a627eb4f5a002a3;hb=43e0a7f669d782e73513119b7140dc4e56bcc3d7;hpb=cb4dd13c2327c13d486b6abe572f4af2398b65de diff --git a/afh_common.c b/afh_common.c index bec99bf4..bb04453f 100644 --- a/afh_common.c +++ b/afh_common.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1997-2008 Andre Noll + * Copyright (C) 1997-2009 Andre Noll * * Licensed under the GPL v2. For licencing details see COPYING. */ @@ -10,6 +10,7 @@ #include /* gettimeofday */ #include #include +#include #include "para.h" #include "error.h" @@ -121,39 +122,6 @@ int guess_audio_format(const char *name) return -E_AUDIO_FORMAT; } -/** - * Pretty-print the given meta-info. - * - * \param title The title of the audio file. - * \param artist The artist. - * \param album The name of the album. - * \param year Year of release. - * \param comment Further comments. - * - * This function is called by each audio format handler to produce the tag info - * status items. Usually, the audio format handlers read this info from the - * audio file (id3 tags, vorbis comments, ...). - * - * It is OK to pass \p NULL pointers for any argument in which case a suitable - * string is inserted which indicates that this information is not available. - * - * \return The status item string. It must be freed by the caller. - */ -char *make_taginfo(char *title, char *artist, char *album, char *year, - char *comment) -{ - return make_message("%s: %s, by %s\n" /* taginfo1 */ - "%s: A: %s, Y: %s, C: %s\n", /* taginfo2 */ - status_item_list[SI_TAGINFO1], - (title && *title)? title : "(title tag not set)", - (artist && *artist)? artist : "(artist tag not set)", - status_item_list[SI_TAGINFO2], - (album && *album)? album : "(album tag not set)", - (year && *year)? year : "????", - (comment && *comment)? comment : "(comment tag not set)" - ); -} - /** * Call get_file_info() to obtain an afhi structure. * @@ -180,22 +148,52 @@ int compute_afhi(const char *path, char *data, size_t size, int fd, afhi->header_offset = 0; afhi->header_len = 0; + afhi->techinfo = NULL; + afhi->tags.artist = NULL; + afhi->tags.title = NULL; + afhi->tags.year = NULL; + afhi->tags.album = NULL; + afhi->tags.comment = NULL; format = guess_audio_format(path); if (format >= 0) { ret = afl[format].get_file_info(data, size, fd, afhi); - if (ret >= 0) - return format; + if (ret >= 0) { + ret = format; + goto success; + } } FOR_EACH_AUDIO_FORMAT(i) { if (i == format) /* we already tried this one to no avail */ continue; ret = afl[i].get_file_info(data, size, fd, afhi); - if (ret >= 0) - return i; + if (ret >= 0) { + ret = i; + goto success; + } PARA_WARNING_LOG("%s\n", para_strerror(-ret)); } return -E_AUDIO_FORMAT; +success: + if (!afhi->techinfo) + afhi->techinfo = para_strdup(NULL); + if (!afhi->tags.artist) + afhi->tags.artist = para_strdup(NULL); + if (!afhi->tags.title) + afhi->tags.title = para_strdup(NULL); + if (!afhi->tags.year) + afhi->tags.year = para_strdup(NULL); + if (!afhi->tags.album) + afhi->tags.album = para_strdup(NULL); + if (!afhi->tags.comment) + afhi->tags.comment = para_strdup(NULL); + PARA_DEBUG_LOG("techinfo: %s\n", afhi->techinfo); + PARA_DEBUG_LOG("artist: %s\n", afhi->tags.artist); + PARA_DEBUG_LOG("title: %s\n", afhi->tags.title); + PARA_DEBUG_LOG("year: %s\n", afhi->tags.year); + PARA_DEBUG_LOG("album: %s\n", afhi->tags.album); + PARA_DEBUG_LOG("comment: %s\n", afhi->tags.comment); + return ret; } /** @@ -233,6 +231,15 @@ void afh_get_chunk(long unsigned chunk_num, struct afh_info *afhi, *len = afhi->chunk_table[chunk_num + 1] - pos; } +uint32_t afh_get_largest_chunk_size(struct afh_info *afhi) +{ + uint32_t n, largest = 0, *ct = afhi->chunk_table; + + for (n = 1; n <= afhi->chunks_total; n++) + largest = PARA_MAX(largest, ct[n] - ct[n - 1]); + return largest; +} + /** * Get the header of an audio file. * @@ -243,13 +250,14 @@ void afh_get_chunk(long unsigned chunk_num, struct afh_info *afhi, * * This function sets \a buf to \p NULL and \a len to zero if \a map or \a * afhi is \p NULL, or if the current audio format does not need special - * header treamtment. + * header treatment. */ void afh_get_header(struct afh_info *afhi, void *map, const char **buf, size_t *len) { - if (!map || !afhi || ! afhi->header_len) { + if (!map || !afhi || !afhi->header_len) { *buf = NULL; *len = 0; + return; } *len = afhi->header_len; *buf = map + afhi->header_offset;