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-rw-r--r--libavformat/omadec.c28
1 files changed, 11 insertions, 17 deletions
diff --git a/libavformat/omadec.c b/libavformat/omadec.c
index 9d9c7264f7..9f3d3aa860 100644
--- a/libavformat/omadec.c
+++ b/libavformat/omadec.c
@@ -5,20 +5,20 @@
* 2008 Benjamin Larsson
* 2011 David Goldwich
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -174,13 +174,9 @@ static int nprobe(AVFormatContext *s, uint8_t *enc_header, unsigned size,
taglen = AV_RB32(&enc_header[pos + 32]);
datalen = AV_RB32(&enc_header[pos + 36]) >> 4;
- pos += 44;
- if (size - pos < taglen)
- return -1;
-
- pos += taglen;
+ pos += 44L + taglen;
- if (datalen << 4 > size - pos)
+ if (pos + (((uint64_t)datalen) << 4) > size)
return -1;
av_des_init(&av_des, n_val, 192, 1);
@@ -299,7 +295,7 @@ static int oma_read_header(AVFormatContext *s)
ID3v2ExtraMeta *extra_meta = NULL;
OMAContext *oc = s->priv_data;
- ff_id3v2_read(s, ID3v2_EA3_MAGIC, &extra_meta);
+ ff_id3v2_read(s, ID3v2_EA3_MAGIC, &extra_meta, 0);
ret = avio_read(s->pb, buf, EA3_HEADER_SIZE);
if (ret < EA3_HEADER_SIZE)
return -1;
@@ -355,12 +351,10 @@ static int oma_read_header(AVFormatContext *s)
/* fake the ATRAC3 extradata
* (wav format, makes stream copy to wav work) */
- st->codec->extradata_size = 14;
- edata = av_mallocz(14 + FF_INPUT_BUFFER_PADDING_SIZE);
- if (!edata)
+ if (ff_alloc_extradata(st->codec, 14))
return AVERROR(ENOMEM);
- st->codec->extradata = edata;
+ edata = st->codec->extradata;
AV_WL16(&edata[0], 1); // always 1
AV_WL32(&edata[2], samplerate); // samples rate
AV_WL16(&edata[6], jsflag); // coding mode
@@ -390,7 +384,7 @@ static int oma_read_header(AVFormatContext *s)
avpriv_set_pts_info(st, 64, 1, samplerate);
break;
case OMA_CODECID_MP3:
- st->need_parsing = AVSTREAM_PARSE_FULL;
+ st->need_parsing = AVSTREAM_PARSE_FULL_RAW;
framesize = 1024;
break;
case OMA_CODECID_LPCM:
@@ -456,7 +450,7 @@ static int oma_read_probe(AVProbeData *p)
/* This check cannot overflow as tag_len has at most 28 bits */
if (p->buf_size < tag_len + 5)
/* EA3 header comes late, might be outside of the probe buffer */
- return tag_len ? AVPROBE_SCORE_EXTENSION : 0;
+ return tag_len ? AVPROBE_SCORE_EXTENSION/2 : 0;
buf += tag_len;