62
76
enc = ID3v2_ENCODING_ISO8859;
64
78
avio_w8(dyn_buf, enc);
65
if (enc == ID3v2_ENCODING_UTF16BOM) {
66
avio_wl16(dyn_buf, 0xFEFF); /* BOM */
67
put = avio_put_str16le;
79
id3v2_encode_string(dyn_buf, str1, enc);
81
id3v2_encode_string(dyn_buf, str2, enc);
74
82
len = avio_close_dyn_buf(dyn_buf, &pb);
76
avio_wb32(s->pb, tag);
77
id3v2_put_size(s, len);
79
avio_write(s->pb, pb, len);
84
avio_wb32(avioc, tag);
85
/* ID3v2.3 frame size is not synchsafe */
86
if (id3->version == 3)
87
avio_wb32(avioc, len);
89
id3v2_put_size(avioc, len);
91
avio_write(avioc, pb, len);
82
94
return len + ID3v2_HEADER_SIZE;
85
static int id3v2_check_write_tag(AVFormatContext *s, AVDictionaryEntry *t, const char table[][4],
86
enum ID3v2Encoding enc)
97
static int id3v2_check_write_tag(ID3v2EncContext *id3, AVIOContext *pb, AVDictionaryEntry *t,
98
const char table[][4], enum ID3v2Encoding enc)
93
105
tag = AV_RB32(t->key);
94
106
for (i = 0; *table[i]; i++)
95
107
if (tag == AV_RB32(table[i]))
96
return id3v2_put_ttag(s, t->value, NULL, tag, enc);
108
return id3v2_put_ttag(id3, pb, t->value, NULL, tag, enc);
100
int ff_id3v2_write(struct AVFormatContext *s, int id3v2_version,
103
int64_t size_pos, cur_pos;
112
void ff_id3v2_start(ID3v2EncContext *id3, AVIOContext *pb, int id3v2_version,
115
id3->version = id3v2_version;
117
avio_wb32(pb, MKBETAG(magic[0], magic[1], magic[2], id3v2_version));
119
avio_w8(pb, 0); /* flags */
121
/* reserve space for size */
122
id3->size_pos = avio_tell(pb);
126
int ff_id3v2_write_metadata(AVFormatContext *s, ID3v2EncContext *id3)
104
128
AVDictionaryEntry *t = NULL;
106
int totlen = 0, enc = id3v2_version == 3 ? ID3v2_ENCODING_UTF16BOM :
110
avio_wb32(s->pb, MKBETAG(magic[0], magic[1], magic[2], id3v2_version));
112
avio_w8(s->pb, 0); /* flags */
114
/* reserve space for size */
115
size_pos = avio_tell(s->pb);
129
int enc = id3->version == 3 ? ID3v2_ENCODING_UTF16BOM :
118
132
ff_metadata_conv(&s->metadata, ff_id3v2_34_metadata_conv, NULL);
119
if (id3v2_version == 4)
133
if (id3->version == 4)
120
134
ff_metadata_conv(&s->metadata, ff_id3v2_4_metadata_conv, NULL);
122
136
while ((t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX))) {
125
if ((ret = id3v2_check_write_tag(s, t, ff_id3v2_tags, enc)) > 0) {
139
if ((ret = id3v2_check_write_tag(id3, s->pb, t, ff_id3v2_tags, enc)) > 0) {
129
if ((ret = id3v2_check_write_tag(s, t, id3v2_version == 3 ?
143
if ((ret = id3v2_check_write_tag(id3, s->pb, t, id3->version == 3 ?
130
144
ff_id3v2_3_tags : ff_id3v2_4_tags, enc)) > 0) {
135
149
/* unknown tag, write as TXXX frame */
136
if ((ret = id3v2_put_ttag(s, t->key, t->value, MKBETAG('T', 'X', 'X', 'X'), enc)) < 0)
150
if ((ret = id3v2_put_ttag(id3, s->pb, t->key, t->value, MKBETAG('T', 'X', 'X', 'X'), enc)) < 0)
141
cur_pos = avio_tell(s->pb);
142
avio_seek(s->pb, size_pos, SEEK_SET);
143
id3v2_put_size(s, totlen);
144
avio_seek(s->pb, cur_pos, SEEK_SET);
158
int ff_id3v2_write_apic(AVFormatContext *s, ID3v2EncContext *id3, AVPacket *pkt)
160
AVStream *st = s->streams[pkt->stream_index];
161
AVDictionaryEntry *e;
163
AVIOContext *dyn_buf;
165
const CodecMime *mime = ff_id3v2_mime_tags;
166
const char *mimetype = NULL, *desc = "";
167
int enc = id3->version == 3 ? ID3v2_ENCODING_UTF16BOM :
169
int i, len, type = 0;
171
/* get the mimetype*/
172
while (mime->id != AV_CODEC_ID_NONE) {
173
if (mime->id == st->codec->codec_id) {
174
mimetype = mime->str;
180
av_log(s, AV_LOG_ERROR, "No mimetype is known for stream %d, cannot "
181
"write an attached picture.\n", st->index);
182
return AVERROR(EINVAL);
185
/* get the picture type */
186
e = av_dict_get(st->metadata, "comment", NULL, 0);
187
for (i = 0; e && i < FF_ARRAY_ELEMS(ff_id3v2_picture_types); i++) {
188
if (strstr(ff_id3v2_picture_types[i], e->value) == ff_id3v2_picture_types[i]) {
194
/* get the description */
195
if ((e = av_dict_get(st->metadata, "title", NULL, 0)))
199
if (avio_open_dyn_buf(&dyn_buf) < 0)
200
return AVERROR(ENOMEM);
202
avio_w8(dyn_buf, enc);
203
avio_put_str(dyn_buf, mimetype);
204
avio_w8(dyn_buf, type);
205
id3v2_encode_string(dyn_buf, desc, enc);
206
avio_write(dyn_buf, pkt->data, pkt->size);
207
len = avio_close_dyn_buf(dyn_buf, &buf);
209
avio_wb32(s->pb, MKBETAG('A', 'P', 'I', 'C'));
210
if (id3->version == 3)
211
avio_wb32(s->pb, len);
213
id3v2_put_size(s->pb, len);
215
avio_write(s->pb, buf, len);
218
id3->len += len + ID3v2_HEADER_SIZE;
223
void ff_id3v2_finish(ID3v2EncContext *id3, AVIOContext *pb)
225
int64_t cur_pos = avio_tell(pb);
226
avio_seek(pb, id3->size_pos, SEEK_SET);
227
id3v2_put_size(pb, id3->len);
228
avio_seek(pb, cur_pos, SEEK_SET);
231
int ff_id3v2_write_simple(struct AVFormatContext *s, int id3v2_version,
234
ID3v2EncContext id3 = { 0 };
237
ff_id3v2_start(&id3, s->pb, id3v2_version, magic);
238
if ((ret = ff_id3v2_write_metadata(s, &id3)) < 0)
240
ff_id3v2_finish(&id3, s->pb);