/*
- * Copyright (C) 2006-2008 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006 Andre Noll <maan@tuebingen.mpg.de>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
* Ahead Software AG
*/
-/** \file aac_afh.c para_server's aac audio format handler */
+/** \file aac_afh.c para_server's aac audio format handler. */
+
+#include <regex.h>
+#include <mp4v2/mp4v2.h>
-#include <osl.h>
#include "para.h"
#include "error.h"
-#include "string.h"
#include "afh.h"
-#include "afs.h"
-#include "server.h"
+#include "string.h"
#include "aac.h"
+#include "fd.h"
static int aac_find_stsz(unsigned char *buf, size_t buflen, off_t *skip)
{
return -E_STSZ;
}
-static int atom_cmp(unsigned char *buf1, char *buf2)
+static int atom_cmp(const unsigned char *buf1, const char *buf2)
{
- unsigned char *b2 = (unsigned char *)buf2;
+ const unsigned char *b2 = (unsigned char *)buf2;
if (buf1[0] != b2[0])
return 1;
return buf;
}
-static char *read_tags(unsigned char *buf, size_t buflen)
+static void read_tags(unsigned char *buf, size_t buflen, struct afh_info *afhi)
{
unsigned char *p = buf;
- char *title = NULL, *artist = NULL, *album = NULL, *year = NULL,
- *comment = NULL, *result;
while (p + 32 < buf + buflen) {
unsigned char *q, type1[5], type2[5];
q = p + ret + ret2 + 8;
if (q + size2 > buf + buflen)
break;
- if (!atom_cmp(type1, "©ART"))
- artist = get_tag(q, size2);
- else if (!atom_cmp(type1, "©alb"))
- album = get_tag(q, size2);
- else if (!atom_cmp(type1, "©nam"))
- title = get_tag(q, size2);
- else if (!atom_cmp(type1, "©cmt"))
- comment = get_tag(q, size2);
- else if (!atom_cmp(type1, "©day"))
- year = get_tag(q, size2);
+ if (!atom_cmp(type1, "\xa9" "ART"))
+ afhi->tags.artist = get_tag(q, size2);
+ else if (!atom_cmp(type1, "\xa9" "alb"))
+ afhi->tags.album = get_tag(q, size2);
+ else if (!atom_cmp(type1, "\xa9" "nam"))
+ afhi->tags.title = get_tag(q, size2);
+ else if (!atom_cmp(type1, "\xa9" "cmt"))
+ afhi->tags.comment = get_tag(q, size2);
+ else if (!atom_cmp(type1, "\xa9" "day"))
+ afhi->tags.year = get_tag(q, size2);
p += size1;
}
- result = make_taginfo(title, artist, album, year, comment);
- free(title);
- free(artist);
- free(album);
- free(year);
- free(comment);
- return result;
}
-static char *read_meta(unsigned char *buf, size_t buflen)
+static void read_meta(unsigned char *buf, size_t buflen, struct afh_info *afhi)
{
unsigned char *p = buf;
continue;
}
p += 4;
- return read_tags(p, buflen - (p - buf));
+ return read_tags(p, buflen - (p - buf), afhi);
}
- return make_taginfo(NULL, NULL, NULL, NULL, NULL);
}
-static char *aac_get_taginfo(unsigned char *buf, size_t buflen)
+static void aac_get_taginfo(unsigned char *buf, size_t buflen,
+ struct afh_info *afhi)
{
int i;
uint64_t subsize;
p = buf + i;
i += read_atom_header(p, &subsize, type);
p = buf + i;
- return read_meta(p, buflen - i);
+ return read_meta(p, buflen - i, afhi);
}
PARA_INFO_LOG("no meta data\n");
- return make_taginfo(NULL, NULL, NULL, NULL, NULL);
}
static ssize_t aac_compute_chunk_table(struct afh_info *afhi,
{
float tmp = mp4ASC->sbr_present_flag == 1? 2047 : 1023;
struct timeval total;
- long unsigned ms = 1000.0 * afhi->chunks_total * tmp
- / mp4ASC->samplingFrequency;
+ long unsigned ms;
if (!mp4ASC->samplingFrequency)
return -E_MP4ASC;
mp4AudioSpecificConfig mp4ASC;
NeAACDecHandle handle = NULL;
unsigned char *umap = (unsigned char *) map;
- char *taginfo;
ret = aac_find_esds(umap, numbytes, &skip, &decoder_len);
if (ret < 0)
goto out;
- taginfo = aac_get_taginfo(umap, numbytes);
+ aac_get_taginfo(umap, numbytes, afhi);
handle = aac_open();
ret = -E_AAC_AFH_INIT;
if (NeAACDecInit(handle, umap + skip, decoder_len, &rate, &channels))
ret = (afhi->chunk_table[afhi->chunks_total] - afhi->chunk_table[0]) * 8; /* bits */
ret += (channels * afhi->seconds_total * 500); /* avoid rounding error */
afhi->bitrate = ret / (channels * afhi->seconds_total * 1000);
- afhi->info_string = make_message("%s:\n%s",
- status_item_list[SI_AUDIO_FILE_INFO],
- taginfo);
- free(taginfo);
- tv_scale(20, &afhi->chunk_tv, &afhi->eof_tv);
ret = 1;
out:
if (handle)
return ret;
}
+static int aac_rewrite_tags(const char *map, size_t mapsize,
+ struct taginfo *tags, int fd, const char *filename)
+{
+ MP4FileHandle h;
+ const MP4Tags *mdata;
+ int ret = write_all(fd, map, mapsize);
+
+ if (ret < 0)
+ return ret;
+ lseek(fd, 0, SEEK_SET);
+ h = MP4Modify(filename, 0);
+ if (!h) {
+ PARA_ERROR_LOG("MP4Modify() failed, fd = %d\n", fd);
+ return -E_MP4V2;
+ }
+ mdata = MP4TagsAlloc();
+ assert(mdata);
+ if (!MP4TagsFetch(mdata, h)) {
+ PARA_ERROR_LOG("MP4Tags_Fetch() failed\n");
+ ret = -E_MP4V2;
+ goto close;
+ }
+
+ if (!MP4TagsSetAlbum(mdata, tags->album)) {
+ PARA_ERROR_LOG("Could not set album\n");
+ ret = -E_MP4V2;
+ goto tags_free;
+ }
+ if (!MP4TagsSetArtist(mdata, tags->artist)) {
+ PARA_ERROR_LOG("Could not set album\n");
+ ret = -E_MP4V2;
+ goto tags_free;
+ }
+ if (!MP4TagsSetComments(mdata, tags->comment)) {
+ PARA_ERROR_LOG("Could not set comment\n");
+ ret = -E_MP4V2;
+ goto tags_free;
+ }
+ if (!MP4TagsSetName(mdata, tags->title)) {
+ PARA_ERROR_LOG("Could not set title\n");
+ ret = -E_MP4V2;
+ goto tags_free;
+ }
+ if (!MP4TagsSetReleaseDate(mdata, tags->year)) {
+ PARA_ERROR_LOG("Could not set release date\n");
+ ret = -E_MP4V2;
+ goto tags_free;
+ }
+
+ if (!MP4TagsStore(mdata, h)) {
+ PARA_ERROR_LOG("Could not store tags\n");
+ ret = -E_MP4V2;
+ goto tags_free;
+ }
+ ret = 1;
+tags_free:
+ MP4TagsFree(mdata);
+close:
+ MP4Close(h, 0);
+ return ret;
+}
+
static const char* aac_suffixes[] = {"m4a", "mp4", NULL};
/**
* the init function of the aac audio format handler
{
afh->get_file_info = aac_get_file_info,
afh->suffixes = aac_suffixes;
+ afh->rewrite_tags = aac_rewrite_tags;
}