* Copyright (c) 2007 Benjamin Zores <ben@geexbox.org>
* based upon libdemac from Dave Chapman.
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/intreadwrite.h"
+#include "libavutil/dict.h"
#include "avformat.h"
-
-#define ENABLE_DEBUG 0
+#include "apetag.h"
#define APE_TAG_VERSION 2000
#define APE_TAG_FOOTER_BYTES 32
static int ape_tag_read_field(AVFormatContext *s)
{
- ByteIOContext *pb = s->pb;
+ AVIOContext *pb = s->pb;
uint8_t key[1024], *value;
- uint32_t size, flags;
- int i, l, c;
+ uint32_t size;
+ int i, c;
- size = get_le32(pb); /* field size */
- flags = get_le32(pb); /* field flags */
+ size = avio_rl32(pb); /* field size */
+ avio_skip(pb, 4); /* field flags */
for (i = 0; i < sizeof(key) - 1; i++) {
- c = get_byte(pb);
+ c = avio_r8(pb);
if (c < 0x20 || c > 0x7E)
break;
else
return -1;
value = av_malloc(size+1);
if (!value)
- return AVERROR_NOMEM;
- get_buffer(pb, value, size);
+ return AVERROR(ENOMEM);
+ avio_read(pb, value, size);
value[size] = 0;
- av_metadata_set2(&s->metadata, key, value, AV_METADATA_DONT_STRDUP_VAL);
+ av_dict_set(&s->metadata, key, value, AV_DICT_DONT_STRDUP_VAL);
return 0;
}
void ff_ape_parse_tag(AVFormatContext *s)
{
- ByteIOContext *pb = s->pb;
- int file_size = url_fsize(pb);
+ AVIOContext *pb = s->pb;
+ int file_size = avio_size(pb);
uint32_t val, fields, tag_bytes;
uint8_t buf[8];
int i;
if (file_size < APE_TAG_FOOTER_BYTES)
return;
- url_fseek(pb, file_size - APE_TAG_FOOTER_BYTES, SEEK_SET);
+ avio_seek(pb, file_size - APE_TAG_FOOTER_BYTES, SEEK_SET);
- get_buffer(pb, buf, 8); /* APETAGEX */
+ avio_read(pb, buf, 8); /* APETAGEX */
if (strncmp(buf, "APETAGEX", 8)) {
return;
}
- val = get_le32(pb); /* APE tag version */
+ val = avio_rl32(pb); /* APE tag version */
if (val > APE_TAG_VERSION) {
av_log(s, AV_LOG_ERROR, "Unsupported tag version. (>=%d)\n", APE_TAG_VERSION);
return;
}
- tag_bytes = get_le32(pb); /* tag size */
+ tag_bytes = avio_rl32(pb); /* tag size */
if (tag_bytes - APE_TAG_FOOTER_BYTES > (1024 * 1024 * 16)) {
av_log(s, AV_LOG_ERROR, "Tag size is way too big\n");
return;
}
- fields = get_le32(pb); /* number of fields */
+ fields = avio_rl32(pb); /* number of fields */
if (fields > 65536) {
av_log(s, AV_LOG_ERROR, "Too many tag fields (%d)\n", fields);
return;
}
- val = get_le32(pb); /* flags */
+ val = avio_rl32(pb); /* flags */
if (val & APE_TAG_FLAG_IS_HEADER) {
av_log(s, AV_LOG_ERROR, "APE Tag is a header\n");
return;
}
- url_fseek(pb, file_size - tag_bytes, SEEK_SET);
+ avio_seek(pb, file_size - tag_bytes, SEEK_SET);
for (i=0; i<fields; i++)
if (ape_tag_read_field(s) < 0) break;