* 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
*/
static int ape_read_header(AVFormatContext * s, AVFormatParameters * ap)
{
- ByteIOContext *pb = s->pb;
+ AVIOContext *pb = s->pb;
APEContext *ape = s->priv_data;
AVStream *st;
uint32_t tag;
/* TODO: Skip any leading junk such as id3v2 tags */
ape->junklength = 0;
- tag = get_le32(pb);
+ tag = avio_rl32(pb);
if (tag != MKTAG('M', 'A', 'C', ' '))
return -1;
- ape->fileversion = get_le16(pb);
+ ape->fileversion = avio_rl16(pb);
if (ape->fileversion < APE_MIN_VERSION || ape->fileversion > APE_MAX_VERSION) {
av_log(s, AV_LOG_ERROR, "Unsupported file version - %d.%02d\n", ape->fileversion / 1000, (ape->fileversion % 1000) / 10);
}
if (ape->fileversion >= 3980) {
- ape->padding1 = get_le16(pb);
- ape->descriptorlength = get_le32(pb);
- ape->headerlength = get_le32(pb);
- ape->seektablelength = get_le32(pb);
- ape->wavheaderlength = get_le32(pb);
- ape->audiodatalength = get_le32(pb);
- ape->audiodatalength_high = get_le32(pb);
- ape->wavtaillength = get_le32(pb);
- get_buffer(pb, ape->md5, 16);
+ ape->padding1 = avio_rl16(pb);
+ ape->descriptorlength = avio_rl32(pb);
+ ape->headerlength = avio_rl32(pb);
+ ape->seektablelength = avio_rl32(pb);
+ ape->wavheaderlength = avio_rl32(pb);
+ ape->audiodatalength = avio_rl32(pb);
+ ape->audiodatalength_high = avio_rl32(pb);
+ ape->wavtaillength = avio_rl32(pb);
+ avio_read(pb, ape->md5, 16);
/* Skip any unknown bytes at the end of the descriptor.
This is for future compatibility */
if (ape->descriptorlength > 52)
- url_fseek(pb, ape->descriptorlength - 52, SEEK_CUR);
+ avio_skip(pb, ape->descriptorlength - 52);
/* Read header data */
- ape->compressiontype = get_le16(pb);
- ape->formatflags = get_le16(pb);
- ape->blocksperframe = get_le32(pb);
- ape->finalframeblocks = get_le32(pb);
- ape->totalframes = get_le32(pb);
- ape->bps = get_le16(pb);
- ape->channels = get_le16(pb);
- ape->samplerate = get_le32(pb);
+ ape->compressiontype = avio_rl16(pb);
+ ape->formatflags = avio_rl16(pb);
+ ape->blocksperframe = avio_rl32(pb);
+ ape->finalframeblocks = avio_rl32(pb);
+ ape->totalframes = avio_rl32(pb);
+ ape->bps = avio_rl16(pb);
+ ape->channels = avio_rl16(pb);
+ ape->samplerate = avio_rl32(pb);
} else {
ape->descriptorlength = 0;
ape->headerlength = 32;
- ape->compressiontype = get_le16(pb);
- ape->formatflags = get_le16(pb);
- ape->channels = get_le16(pb);
- ape->samplerate = get_le32(pb);
- ape->wavheaderlength = get_le32(pb);
- ape->wavtaillength = get_le32(pb);
- ape->totalframes = get_le32(pb);
- ape->finalframeblocks = get_le32(pb);
+ ape->compressiontype = avio_rl16(pb);
+ ape->formatflags = avio_rl16(pb);
+ ape->channels = avio_rl16(pb);
+ ape->samplerate = avio_rl32(pb);
+ ape->wavheaderlength = avio_rl32(pb);
+ ape->wavtaillength = avio_rl32(pb);
+ ape->totalframes = avio_rl32(pb);
+ ape->finalframeblocks = avio_rl32(pb);
if (ape->formatflags & MAC_FORMAT_FLAG_HAS_PEAK_LEVEL) {
- url_fseek(pb, 4, SEEK_CUR); /* Skip the peak level */
+ avio_skip(pb, 4); /* Skip the peak level */
ape->headerlength += 4;
}
if (ape->formatflags & MAC_FORMAT_FLAG_HAS_SEEK_ELEMENTS) {
- ape->seektablelength = get_le32(pb);
+ ape->seektablelength = avio_rl32(pb);
ape->headerlength += 4;
ape->seektablelength *= sizeof(int32_t);
} else
/* Skip any stored wav header */
if (!(ape->formatflags & MAC_FORMAT_FLAG_CREATE_WAV_HEADER))
- url_fskip(pb, ape->wavheaderlength);
+ avio_skip(pb, ape->wavheaderlength);
}
+ if(!ape->totalframes){
+ av_log(s, AV_LOG_ERROR, "No frames in the file!\n");
+ return AVERROR(EINVAL);
+ }
if(ape->totalframes > UINT_MAX / sizeof(APEFrame)){
av_log(s, AV_LOG_ERROR, "Too many frames: %d\n", ape->totalframes);
return -1;
}
+ if (ape->seektablelength && (ape->seektablelength / sizeof(*ape->seektable)) < ape->totalframes) {
+ av_log(s, AV_LOG_ERROR, "Number of seek entries is less than number of frames: %d vs. %d\n",
+ ape->seektablelength / sizeof(*ape->seektable), ape->totalframes);
+ return AVERROR_INVALIDDATA;
+ }
ape->frames = av_malloc(ape->totalframes * sizeof(APEFrame));
if(!ape->frames)
return AVERROR(ENOMEM);
if (ape->seektablelength > 0) {
ape->seektable = av_malloc(ape->seektablelength);
for (i = 0; i < ape->seektablelength / sizeof(uint32_t); i++)
- ape->seektable[i] = get_le32(pb);
+ ape->seektable[i] = avio_rl32(pb);
}
ape->frames[0].pos = ape->firstframe;
ape_dumpinfo(s, ape);
/* try to read APE tags */
- if (!url_is_streamed(pb)) {
+ if (pb->seekable) {
ff_ape_parse_tag(s);
- url_fseek(pb, 0, SEEK_SET);
+ avio_seek(pb, 0, SEEK_SET);
}
av_log(s, AV_LOG_DEBUG, "Decoding file - v%d.%02d, compression level %d\n", ape->fileversion / 1000, (ape->fileversion % 1000) / 10, ape->compressiontype);
APEContext *ape = s->priv_data;
uint32_t extra_size = 8;
- if (url_feof(s->pb))
+ if (s->pb->eof_reached)
return AVERROR(EIO);
if (ape->currentframe > ape->totalframes)
return AVERROR(EIO);
- url_fseek (s->pb, ape->frames[ape->currentframe].pos, SEEK_SET);
+ avio_seek (s->pb, ape->frames[ape->currentframe].pos, SEEK_SET);
/* Calculate how many blocks there are in this frame */
if (ape->currentframe == (ape->totalframes - 1))
AV_WL32(pkt->data , nblocks);
AV_WL32(pkt->data + 4, ape->frames[ape->currentframe].skip);
- ret = get_buffer(s->pb, pkt->data + extra_size, ape->frames[ape->currentframe].size);
+ ret = avio_read(s->pb, pkt->data + extra_size, ape->frames[ape->currentframe].size);
pkt->pts = ape->frames[ape->currentframe].pts;
pkt->stream_index = 0;
return 0;
}
-AVInputFormat ape_demuxer = {
+AVInputFormat ff_ape_demuxer = {
"ape",
NULL_IF_CONFIG_SMALL("Monkey's Audio"),
sizeof(APEContext),
projects / ffmpeg / blobdiff