-/*
- * Copyright (C) 2006 Andre Noll <maan@tuebingen.mpg.de>
- *
- * Licensed under the GPL v2. For licencing details see COPYING.
- */
+/* Copyright (C) 2006 Andre Noll <maan@tuebingen.mpg.de>, see file COPYING. */
/*
* based in parts on libfaad, Copyright (C) 2003-2005 M. Bakker,
* Ahead Software AG
static uint32_t aac_afh_read_cb(void *user_data, void *dest, uint32_t want)
{
struct aac_afh_context *c = user_data;
- uint32_t have, rv;
+ size_t have, rv;
- if (want == 0 || c->fpos >= c->mapsize) {
- PARA_INFO_LOG("failed attempt to read %u bytes @%zu\n", want,
- c->fpos);
- errno = EAGAIN;
- return -1;
- }
+ if (want == 0 || c->fpos >= c->mapsize)
+ return 0;
have = c->mapsize - c->fpos;
- rv = PARA_MIN(have, want);
- PARA_DEBUG_LOG("reading %u bytes @%zu\n", rv, c->fpos);
+ rv = PARA_MIN(have, (size_t)want);
+ PARA_DEBUG_LOG("reading %zu bytes @%zu\n", rv, c->fpos);
memcpy(dest, c->map + c->fpos, rv);
c->fpos += rv;
return rv;
static int aac_afh_open(const void *map, size_t mapsize, void **afh_context)
{
int ret;
- struct aac_afh_context *c = para_malloc(sizeof(*c));
+ struct aac_afh_context *c = alloc(sizeof(*c));
c->map = map;
c->mapsize = mapsize;
*/
int32_t mp4ff_set_sample_position(mp4ff_t *f, const int32_t track, const int32_t sample);
-static int aac_afh_get_chunk(long unsigned chunk_num, void *afh_context,
- const char **buf, size_t *len)
+static int aac_afh_get_chunk(uint32_t chunk_num, void *afh_context,
+ const char **buf, uint32_t *len)
{
struct aac_afh_context *c = afh_context;
int32_t ss;
struct aac_afh_context *c;
int64_t tmp;
const char *buf;
- size_t sz;
- uint32_t n;
+ uint32_t n, len;
ret = aac_afh_open(map, numbytes, (void **)&c);
if (ret < 0)
afhi->chunks_total = rv;
afhi->max_chunk_size = 0;
for (n = 0; n < afhi->chunks_total; n++) {
- if (aac_afh_get_chunk(n, c, &buf, &sz) < 0)
+ if (aac_afh_get_chunk(n, c, &buf, &len) < 0)
break;
- afhi->max_chunk_size = PARA_MAX((size_t)afhi->max_chunk_size, sz);
+ afhi->max_chunk_size = PARA_MAX(afhi->max_chunk_size, len);
}
tmp = c->masc.sbr_present_flag == 1? 2048 : 1024;
afhi->seconds_total = tmp * afhi->chunks_total / afhi->frequency;
ms2tv(1000 * tmp / afhi->frequency, &afhi->chunk_tv);
- if (aac_afh_get_chunk(0, c, &buf, &sz) >= 0)
+ if (aac_afh_get_chunk(0, c, &buf, &len) >= 0)
numbytes -= buf - map;
afhi->bitrate = 8 * numbytes / afhi->seconds_total / 1000;
_aac_afh_get_taginfo(c->mp4ff, &afhi->tags);
metadata.count = rv;
PARA_NOTICE_LOG("%d metadata item(s) found\n", rv);
- metadata.tags = para_malloc((metadata.count + 5) * sizeof(mp4ff_tag_t));
+ metadata.tags = alloc((metadata.count + 5) * sizeof(mp4ff_tag_t));
for (i = 0; i < metadata.count; i++) {
mp4ff_tag_t *tag = metadata.tags + i;
ret = -E_MP4FF_META_READ;
- if (mp4ff_meta_get_by_index(mp4ff, i,
- &tag->item, &tag->value) < 0)
+ if (!mp4ff_meta_get_by_index(mp4ff, i, &tag->item, &tag->value))
goto free_tags;
PARA_INFO_LOG("found: %s: %s\n", tag->item, tag->value);
if (!strcmp(tag->item, "artist"))
if (!found_comment)
add_tag(&metadata, "comment", tags->comment);
ret = -E_MP4FF_META_WRITE;
- if (mp4ff_meta_update(&cb, &metadata) < 0)
+ if (!mp4ff_meta_update(&cb, &metadata))
goto free_tags;
ret = 1;
free_tags:
}
static const char * const aac_suffixes[] = {"m4a", "mp4", NULL};
+
/**
- * the init function of the aac audio format handler
+ * The audio format handler for the Advanced Audio Codec.
*
- * \param afh pointer to the struct to initialize
+ * This is only compiled in if the faad library is installed.
*/
-void aac_afh_init(struct audio_format_handler *afh)
-{
- afh->get_file_info = aac_get_file_info,
- afh->suffixes = aac_suffixes;
- afh->rewrite_tags = aac_afh_rewrite_tags;
- afh->open = aac_afh_open;
- afh->get_chunk = aac_afh_get_chunk;
- afh->close = aac_afh_close;
-}
+const struct audio_format_handler aac_afh = {
+ .get_file_info = aac_get_file_info,
+ .suffixes = aac_suffixes,
+ .rewrite_tags = aac_afh_rewrite_tags,
+ .open = aac_afh_open,
+ .get_chunk = aac_afh_get_chunk,
+ .close = aac_afh_close,
+};