/*
- * Copyright (C) 1997-2009 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 1997-2011 Andre Noll <maan@systemlinux.org>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
#include <sys/mman.h> /* mmap */
#include <sys/time.h> /* gettimeofday */
#include <sys/types.h>
-#include <dirent.h>
+#include <regex.h>
#include "para.h"
#include "error.h"
#ifdef HAVE_FAAD
void aac_afh_init(struct audio_format_handler *);
#endif
+#ifdef HAVE_SPEEX
+ void spx_afh_init(struct audio_format_handler *);
+#endif
+void wma_afh_init(struct audio_format_handler *);
/**
* The list of supported audio formats.
*
.name = "aac",
#ifdef HAVE_FAAD
.init = aac_afh_init,
+#endif
+ },
+ {
+ .name = "wma",
+ .init = wma_afh_init,
+ },
+ {
+ .name = "spx",
+#ifdef HAVE_SPEEX
+ .init = spx_afh_init,
#endif
},
{
int i;
PARA_INFO_LOG("supported audio formats: %s\n",
- SUPPORTED_AUDIO_FORMATS);
+ SERVER_AUDIO_FORMATS);
FOR_EACH_AUDIO_FORMAT(i) {
PARA_NOTICE_LOG("initializing %s handler\n",
audio_format_name(i));
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.
*
{
int ret, i, format;
- 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;
}
/**
*/
const char *audio_format_name(int i)
{
- //PARA_NOTICE_LOG("array size: %u¸ requested: %d\n", ARRAY_SIZE(afl), i);
- assert(i < 0 || i < ARRAY_SIZE(afl) - 1);
- return i >= 0? afl[i].name : "(none)";
+ if (i < 0 || i >= ARRAY_SIZE(afl) - 1)
+ return "???";
+ return afl[i].name;
}
/**
* Get the header of an audio file.
*
* \param afhi The audio file handler data describing the file.
+ * \param audio_format_id Determines the audio format handler.
* \param map The data of the audio file.
+ * \param mapsize The amount of bytes of the mmapped audio file.
* \param buf The length of the header is stored here.
* \param len Points to a buffer containing the header on return.
*
* 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.
+ *
+ * Otherwise, it is checked whether the audio format handler given by
+ * \a audio_format_id defines a ->get_header() method. If it does, this
+ * method is called to obtain the header. If ->get_header() is \p NULL,
+ * a reference to the first chunk of the audio file is returned.
+ *
+ * Once the header is no longer needed, the caller must call \ref
+ * afh_free_header() to free the resources allocated by this function.
*/
-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)
{
- if (!map || !afhi || ! afhi->header_len) {
+ struct audio_format_handler *afh = afl + audio_format_id;
+
+ if (!map || !afhi || !afhi->header_len) {
*buf = NULL;
*len = 0;
+ return;
+ }
+ if (!afh->get_header) {
+ *len = afhi->header_len;
+ *buf = map;
+ return;
}
- *len = afhi->header_len;
- *buf = map + afhi->header_offset;
+ afh->get_header(map, mapsize, buf, len);
+}
+
+/**
+ * Deallocate any resources obtained from afh_get_header().
+ *
+ * \param header_buf Pointer obtained via afh_get_header().
+ * \param audio_format_id Determines the audio format handler.
+ */
+void afh_free_header(char *header_buf, uint8_t audio_format_id)
+{
+ struct audio_format_handler *afh = afl + audio_format_id;
+
+ if (afh->get_header)
+ free(header_buf);
}
projects / paraslash.git / blobdiff