static int audio_file;
static char *map;
-/* The mp3 audio format handler does not need any libs. */
-void mp3_init(struct audio_format_handler *);
-
-#ifdef HAVE_OGGVORBIS
- void ogg_init(struct audio_format_handler *);
-#endif
-#ifdef HAVE_FAAD
- void aac_afh_init(struct audio_format_handler *);
-#endif
-
-/**
- * The list of supported audio formats.
- *
- * We always define the full array of audio formats even if some audio formats
- * were not compiled in. This is because for each audio file the number of its
- * audio format is stored in the databse. We don't want that numbers to become
- * stale just because the user installed a new version of paraslash that
- * supports a different set of audio formats.
- *
- * It can still be easily detected whether an audio format is compiled in by
- * checking if the init function pointer is not \p NULL.
- */
-static struct audio_format_handler afl[] = {
- {
- .name = "mp3",
- .init = mp3_init,
- },
- {
- .name = "ogg",
-#ifdef HAVE_OGGVORBIS
- .init = ogg_init,
-#endif
- },
- {
- .name = "aac",
-#ifdef HAVE_FAAD
- .init = aac_afh_init,
-#endif
- },
- {
- .name = NULL,
- }
-};
-
-static inline int next_audio_format(int format)
-{
- for (;;) {
- if (!afl[format].name)
- return format;
- format++;
- if (afl[format].init)
- return format;
- }
-
-}
-
-/** Iterate over each supported audio format. */
-#define FOR_EACH_AUDIO_FORMAT(i) for (i = 0; afl[i].name; i = next_audio_format(i))
-
-
/**
* check if vss status flag \a P (playing) is set
*
&& !(mmd->new_vss_status_flags & VSS_PLAYING);
}
-/**
- * Get the name of the given audio format.
- *
- * \param i The audio format number.
- *
- * This returns a pointer to statically allocated memory so it
- * must not be freed by the caller.
- */
-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)";
-}
-
-static void afh_init(void)
-{
- int i;
-
- PARA_DEBUG_LOG("supported audio formats: %s\n",
- SUPPORTED_AUDIO_FORMATS);
- FOR_EACH_AUDIO_FORMAT(i) {
- PARA_NOTICE_LOG("initializing %s handler\n",
- audio_format_name(i));
- afl[i].init(&afl[i]);
- }
-}
-
/**
* initialize the virtual streaming system
*
}
}
-/**
- * guess the audio format judging from filename
- *
- * \param name the filename
- *
- * \return This function returns -1 if it has no idea what kind of audio
- * file this might be. Otherwise the (non-negative) number of the audio format
- * is returned.
- */
-int guess_audio_format(const char *name)
-{
- int i,j, len = strlen(name);
-
- FOR_EACH_AUDIO_FORMAT(i) {
- for (j = 0; afl[i].suffixes[j]; j++) {
- const char *p = afl[i].suffixes[j];
- int plen = strlen(p);
- if (len < plen + 1)
- continue;
- if (name[len - plen - 1] != '.')
- continue;
- if (strcasecmp(name + len - plen, p))
- continue;
-// PARA_DEBUG_LOG("might be %s\n", audio_format_name(i));
- return i;
- }
- }
- return -E_BAD_AUDIO_FILE_SUFFIX;
-}
-
-/**
- * Call get_file_info() to obtain an afhi structure.
- *
- * \param path The full path of the audio file.
- * \param data Pointer to the contents of the (mapped) file.
- * \param size The file size in bytes.
- * \param afhi Result pointer.
- *
- * \return The number of the audio format on success, \p -E_AUDIO_FORMAT if no
- * compiled in audio format handler is able to handler the file.
- *
- * This function tries to find an audio format handler that can interpret the
- * file given by \a data and \a size.
- *
- * It first tries to determine the audio format from the filename given by \a
- * path. If this doesn't work, all other audio format handlers are tried until
- * one is found that can handle the file.
- */
-int compute_afhi(const char *path, char *data, size_t size,
- struct audio_format_info *afhi)
-{
- int ret, i, format = guess_audio_format(path);
-
- if (format >= 0) {
- ret = afl[format].get_file_info(data, size, afhi);
- if (ret >= 0)
- return format;
- }
- 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, afhi);
- if (ret >= 0)
- return i;
- PARA_WARNING_LOG("%s\n", PARA_STRERROR(-ret));
- }
- return -E_AUDIO_FORMAT;
-}
-
static int chk_barrier(const char *bname, const struct timeval *now,
const struct timeval *barrier, struct timeval *diff,
int print_log)
projects / paraslash.git / blobdiff