Now commit the actual dir

git-svn-id: https://svn.musicpd.org/mpd/trunk@4463 09075e82-0dd4-0310-85a5-a0d7c8717e4f

1 files changed, 414 insertions, 0 deletions

diff --git a/mp4ff/mp4meta.c b/mp4ff/mp4meta.c
new file mode 100644
index 000000000..762f5dee7
--- /dev/null
+++ b/mp4ff/mp4meta.c
@@ -0,0 +1,414 @@
+/*
+** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
+** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU General Public License as published by
+** the Free Software Foundation; either version 2 of the License, or
+** (at your option) any later version.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+** GNU General Public License for more details.
+**
+** You should have received a copy of the GNU General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+**
+** Any non-GPL usage of this software or parts of this software is strictly
+** forbidden.
+**
+** Commercial non-GPL licensing of this software is possible.
+** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
+**
+** $Id: mp4meta.c,v 1.13 2004/01/11 15:52:18 menno Exp $
+**/
+
+#ifdef USE_TAGGING
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "mp4ffint.h"
+
+static int32_t mp4ff_tag_add_field(mp4ff_metadata_t *tags, const char *item, const char *value)
+{
+    void *backup = (void *)tags->tags;
+
+    if (!item || (item && !*item) || !value) return 0;
+
+    tags->tags = (mp4ff_tag_t*)realloc(tags->tags, (tags->count+1) * sizeof(mp4ff_tag_t));
+    if (!tags->tags)
+    {
+        if (backup) free(backup);
+        return 0;
+    } else {
+        tags->tags[tags->count].item = strdup(item);
+        tags->tags[tags->count].value = strdup(value);
+
+        if (!tags->tags[tags->count].item || !tags->tags[tags->count].value)
+        {
+            if (!tags->tags[tags->count].item) free (tags->tags[tags->count].item);
+            if (!tags->tags[tags->count].value) free (tags->tags[tags->count].value);
+            tags->tags[tags->count].item = NULL;
+            tags->tags[tags->count].value = NULL;
+            return 0;
+        }
+
+        tags->count++;
+        return 1;
+    }
+}
+
+static int32_t mp4ff_tag_set_field(mp4ff_metadata_t *tags, const char *item, const char *value)
+{
+    unsigned int i;
+
+    if (!item || (item && !*item) || !value) return 0;
+
+    for (i = 0; i < tags->count; i++)
+    {
+        if (!stricmp(tags->tags[i].item, item))
+        {
+			free(tags->tags[i].value);
+			tags->tags[i].value = strdup(value);
+            return 1;
+        }
+    }
+
+    return mp4ff_tag_add_field(tags, item, value);
+}
+
+int32_t mp4ff_tag_delete(mp4ff_metadata_t *tags)
+{
+    uint32_t i;
+
+    for (i = 0; i < tags->count; i++)
+    {
+        if (tags->tags[i].item) free(tags->tags[i].item);
+        if (tags->tags[i].value) free(tags->tags[i].value);
+    }
+
+    if (tags->tags) free(tags->tags);
+
+    tags->tags = NULL;
+    tags->count = 0;
+
+    return 0;
+}
+
+static const char* ID3v1GenreList[] = {
+    "Blues", "Classic Rock", "Country", "Dance", "Disco", "Funk",
+    "Grunge", "Hip-Hop", "Jazz", "Metal", "New Age", "Oldies",
+    "Other", "Pop", "R&B", "Rap", "Reggae", "Rock",
+    "Techno", "Industrial", "Alternative", "Ska", "Death Metal", "Pranks",
+    "Soundtrack", "Euro-Techno", "Ambient", "Trip-Hop", "Vocal", "Jazz+Funk",
+    "Fusion", "Trance", "Classical", "Instrumental", "Acid", "House",
+    "Game", "Sound Clip", "Gospel", "Noise", "AlternRock", "Bass",
+    "Soul", "Punk", "Space", "Meditative", "Instrumental Pop", "Instrumental Rock",
+    "Ethnic", "Gothic", "Darkwave", "Techno-Industrial", "Electronic", "Pop-Folk",
+    "Eurodance", "Dream", "Southern Rock", "Comedy", "Cult", "Gangsta",
+    "Top 40", "Christian Rap", "Pop/Funk", "Jungle", "Native American", "Cabaret",
+    "New Wave", "Psychadelic", "Rave", "Showtunes", "Trailer", "Lo-Fi",
+    "Tribal", "Acid Punk", "Acid Jazz", "Polka", "Retro", "Musical",
+    "Rock & Roll", "Hard Rock", "Folk", "Folk/Rock", "National Folk", "Swing",
+    "Fast-Fusion", "Bebob", "Latin", "Revival", "Celtic", "Bluegrass", "Avantgarde",
+    "Gothic Rock", "Progressive Rock", "Psychedelic Rock", "Symphonic Rock", "Slow Rock", "Big Band",
+    "Chorus", "Easy Listening", "Acoustic", "Humour", "Speech", "Chanson",
+    "Opera", "Chamber Music", "Sonata", "Symphony", "Booty Bass", "Primus",
+    "Porn Groove", "Satire", "Slow Jam", "Club", "Tango", "Samba",
+    "Folklore", "Ballad", "Power Ballad", "Rhythmic Soul", "Freestyle", "Duet",
+    "Punk Rock", "Drum Solo", "A capella", "Euro-House", "Dance Hall",
+    "Goa", "Drum & Bass", "Club House", "Hardcore", "Terror",
+    "Indie", "BritPop", "NegerPunk", "Polsk Punk", "Beat",
+    "Christian Gangsta", "Heavy Metal", "Black Metal", "Crossover", "Contemporary C",
+    "Christian Rock", "Merengue", "Salsa", "Thrash Metal", "Anime", "JPop",
+    "SynthPop",
+};
+
+uint32_t mp4ff_meta_genre_to_index(const char * genrestr)
+{
+	unsigned n;
+	for(n=0;n<sizeof(ID3v1GenreList)/sizeof(ID3v1GenreList[0]);n++)
+	{
+		if (!stricmp(genrestr,ID3v1GenreList[n])) return n+1;
+	}
+	return 0;
+}
+
+const char * mp4ff_meta_index_to_genre(uint32_t idx)
+{
+	if (idx>0 && idx<=sizeof(ID3v1GenreList)/sizeof(ID3v1GenreList[0]))
+	{
+		return ID3v1GenreList[idx-1];
+	}
+	else
+	{
+		return 0;
+	}
+}
+
+
+static int32_t TrackToString(char** str, const uint16_t track, const uint16_t totalTracks)
+{
+	char temp[32];
+    sprintf(temp, "%.5u of %.5u", track, totalTracks);
+	*str = strdup(temp);
+    return 0;
+}
+
+static int32_t mp4ff_set_metadata_name(mp4ff_t *f, const uint8_t atom_type, char **name)
+{
+    static char *tag_names[] = {
+        "unknown", "title", "artist", "writer", "album",
+        "date", "tool", "comment", "genre", "track",
+        "disc", "compilation", "genre", "tempo", "cover"
+    };
+    uint8_t tag_idx = 0;
+
+    switch (atom_type)
+    {
+    case ATOM_TITLE: tag_idx = 1; break;
+    case ATOM_ARTIST: tag_idx = 2; break;
+    case ATOM_WRITER: tag_idx = 3; break;
+    case ATOM_ALBUM: tag_idx = 4; break;
+    case ATOM_DATE: tag_idx = 5; break;
+    case ATOM_TOOL: tag_idx = 6; break;
+    case ATOM_COMMENT: tag_idx = 7; break;
+    case ATOM_GENRE1: tag_idx = 8; break;
+    case ATOM_TRACK: tag_idx = 9; break;
+    case ATOM_DISC: tag_idx = 10; break;
+    case ATOM_COMPILATION: tag_idx = 11; break;
+    case ATOM_GENRE2: tag_idx = 12; break;
+    case ATOM_TEMPO: tag_idx = 13; break;
+    case ATOM_COVER: tag_idx = 14; break;
+    default: tag_idx = 0; break;
+    }
+
+	*name = strdup(tag_names[tag_idx]);
+
+    return 0;
+}
+
+static int32_t mp4ff_parse_tag(mp4ff_t *f, const uint8_t parent_atom_type, const int32_t size)
+{
+    uint8_t atom_type;
+    uint8_t header_size = 0;
+    uint64_t subsize, sumsize = 0;
+    char * name = NULL;
+	char * data = NULL;
+	uint32_t done = 0;
+
+
+    while (sumsize < size)
+    {
+		uint64_t destpos;
+        subsize = mp4ff_atom_read_header(f, &atom_type, &header_size);
+		destpos = mp4ff_position(f)+subsize-header_size;
+		if (!done)
+		{
+			if (atom_type == ATOM_DATA)
+			{
+				mp4ff_read_char(f); /* version */
+				mp4ff_read_int24(f); /* flags */
+				mp4ff_read_int32(f); /* reserved */
+
+				/* some need special attention */
+				if (parent_atom_type == ATOM_GENRE2 || parent_atom_type == ATOM_TEMPO)
+				{
+					if (subsize - header_size >= 8 + 2)
+					{
+						uint16_t val = mp4ff_read_int16(f);
+
+						if (parent_atom_type == ATOM_TEMPO)
+						{
+							char temp[16];
+							sprintf(temp, "%.5u BPM", val);
+							mp4ff_tag_add_field(&(f->tags), "tempo", temp);
+						}
+						else
+						{
+							const char * temp = mp4ff_meta_index_to_genre(val);
+							if (temp)
+							{
+								mp4ff_tag_add_field(&(f->tags), "genre", temp);
+							}
+						}
+						done = 1;
+					}
+				} else if (parent_atom_type == ATOM_TRACK || parent_atom_type == ATOM_DISC) {
+					if (!done && subsize - header_size >= 8 + 8)
+					{
+						uint16_t index,total;
+						char temp[32];
+						mp4ff_read_int16(f);
+						index = mp4ff_read_int16(f);
+						total = mp4ff_read_int16(f);
+						mp4ff_read_int16(f);
+
+						sprintf(temp,"%d",index);
+						mp4ff_tag_add_field(&(f->tags), parent_atom_type == ATOM_TRACK ? "track" : "disc", temp);
+						if (total>0)
+						{
+							sprintf(temp,"%d",total);
+							mp4ff_tag_add_field(&(f->tags), parent_atom_type == ATOM_TRACK ? "totaltracks" : "totaldiscs", temp);
+						}
+						done = 1;
+					}
+				} else
+				{
+					if (data) {free(data);data = NULL;}
+					data = mp4ff_read_string(f,(uint32_t)(subsize-(header_size+8)));
+				}
+			} else if (atom_type == ATOM_NAME) {
+				if (!done)
+				{
+					mp4ff_read_char(f); /* version */
+					mp4ff_read_int24(f); /* flags */
+					if (name) free(name);
+					name = mp4ff_read_string(f,(uint32_t)(subsize-(header_size+4)));
+				}
+			}
+			mp4ff_set_position(f, destpos);
+			sumsize += subsize;
+		}
+    }
+
+	if (data)
+	{
+		if (!done)
+		{
+			if (name == NULL) mp4ff_set_metadata_name(f, parent_atom_type, &name);
+			if (name) mp4ff_tag_add_field(&(f->tags), name, data);
+		}
+
+		free(data);
+	}
+	if (name) free(name);
+    return 1;
+}
+
+int32_t mp4ff_parse_metadata(mp4ff_t *f, const int32_t size)
+{
+    uint64_t subsize, sumsize = 0;
+    uint8_t atom_type;
+    uint8_t header_size = 0;
+
+    while (sumsize < size)
+    {
+        subsize = mp4ff_atom_read_header(f, &atom_type, &header_size);
+        mp4ff_parse_tag(f, atom_type, (uint32_t)(subsize-header_size));
+        sumsize += subsize;
+    }
+
+    return 0;
+}
+
+/* find a metadata item by name */
+/* returns 0 if item found, 1 if no such item */
+static int32_t mp4ff_meta_find_by_name(const mp4ff_t *f, const char *item, char **value)
+{
+    uint32_t i;
+
+    for (i = 0; i < f->tags.count; i++)
+    {
+        if (!stricmp(f->tags.tags[i].item, item))
+        {
+			*value = strdup(f->tags.tags[i].value);
+            return 1;
+        }
+    }
+
+    *value = NULL;
+
+    /* not found */
+    return 0;
+}
+
+int32_t mp4ff_meta_get_num_items(const mp4ff_t *f)
+{
+    return f->tags.count;
+}
+
+int32_t mp4ff_meta_get_by_index(const mp4ff_t *f, uint32_t index,
+                                char **item, char **value)
+{
+    if (index >= f->tags.count)
+    {
+        *item = NULL;
+        *value = NULL;
+        return 0;
+    } else {
+		*item = strdup(f->tags.tags[index].item);
+		*value = strdup(f->tags.tags[index].value);
+		return 1;
+    }
+}
+
+int32_t mp4ff_meta_get_title(const mp4ff_t *f, char **value)
+{
+    return mp4ff_meta_find_by_name(f, "title", value);
+}
+
+int32_t mp4ff_meta_get_artist(const mp4ff_t *f, char **value)
+{
+    return mp4ff_meta_find_by_name(f, "artist", value);
+}
+
+int32_t mp4ff_meta_get_writer(const mp4ff_t *f, char **value)
+{
+    return mp4ff_meta_find_by_name(f, "writer", value);
+}
+
+int32_t mp4ff_meta_get_album(const mp4ff_t *f, char **value)
+{
+    return mp4ff_meta_find_by_name(f, "album", value);
+}
+
+int32_t mp4ff_meta_get_date(const mp4ff_t *f, char **value)
+{
+    return mp4ff_meta_find_by_name(f, "date", value);
+}
+
+int32_t mp4ff_meta_get_tool(const mp4ff_t *f, char **value)
+{
+    return mp4ff_meta_find_by_name(f, "tool", value);
+}
+
+int32_t mp4ff_meta_get_comment(const mp4ff_t *f, char **value)
+{
+    return mp4ff_meta_find_by_name(f, "comment", value);
+}
+
+int32_t mp4ff_meta_get_genre(const mp4ff_t *f, char **value)
+{
+    return mp4ff_meta_find_by_name(f, "genre", value);
+}
+
+int32_t mp4ff_meta_get_track(const mp4ff_t *f, char **value)
+{
+    return mp4ff_meta_find_by_name(f, "track", value);
+}
+
+int32_t mp4ff_meta_get_disc(const mp4ff_t *f, char **value)
+{
+    return mp4ff_meta_find_by_name(f, "disc", value);
+}
+
+int32_t mp4ff_meta_get_compilation(const mp4ff_t *f, char **value)
+{
+    return mp4ff_meta_find_by_name(f, "compilation", value);
+}
+
+int32_t mp4ff_meta_get_tempo(const mp4ff_t *f, char **value)
+{
+    return mp4ff_meta_find_by_name(f, "tempo", value);
+}
+
+int32_t mp4ff_meta_get_coverart(const mp4ff_t *f, char **value)
+{
+    return mp4ff_meta_find_by_name(f, "cover", value);
+}
+
+#endif