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Diffstat (limited to 'libavformat/xwma.c')
-rw-r--r--libavformat/xwma.c33
1 files changed, 20 insertions, 13 deletions
diff --git a/libavformat/xwma.c b/libavformat/xwma.c
index 45d74de0dd..127c097c44 100644
--- a/libavformat/xwma.c
+++ b/libavformat/xwma.c
@@ -2,20 +2,20 @@
* xWMA demuxer
* Copyright (c) 2011 Max Horn
*
- * 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
*/
@@ -46,7 +46,7 @@ static int xwma_read_header(AVFormatContext *s)
int64_t size;
int ret;
uint32_t dpds_table_size = 0;
- uint32_t *dpds_table = 0;
+ uint32_t *dpds_table = NULL;
unsigned int tag;
AVIOContext *pb = s->pb;
AVStream *st;
@@ -130,8 +130,10 @@ static int xwma_read_header(AVFormatContext *s)
/* parse the remaining RIFF chunks */
for (;;) {
- if (pb->eof_reached)
- return -1;
+ if (pb->eof_reached) {
+ ret = AVERROR_EOF;
+ goto end;
+ }
/* read next chunk tag */
tag = avio_rl32(pb);
size = avio_rl32(pb);
@@ -152,7 +154,8 @@ static int xwma_read_header(AVFormatContext *s)
/* Error out if there is more than one dpds chunk. */
if (dpds_table) {
av_log(s, AV_LOG_ERROR, "two dpds chunks present\n");
- return -1;
+ ret = AVERROR_INVALIDDATA;
+ goto end;
}
/* Compute the number of entries in the dpds chunk. */
@@ -164,7 +167,7 @@ static int xwma_read_header(AVFormatContext *s)
if (dpds_table_size == 0 || dpds_table_size >= INT_MAX / 4) {
av_log(s, AV_LOG_ERROR,
"dpds chunk size %"PRId64" invalid\n", size);
- return -1;
+ return AVERROR_INVALIDDATA;
}
/* Allocate some temporary storage to keep the dpds data around.
@@ -184,8 +187,10 @@ static int xwma_read_header(AVFormatContext *s)
}
/* Determine overall data length */
- if (size < 0)
- return -1;
+ if (size < 0) {
+ ret = AVERROR_INVALIDDATA;
+ goto end;
+ }
if (!size) {
xwma->data_end = INT64_MAX;
} else
@@ -204,7 +209,8 @@ static int xwma_read_header(AVFormatContext *s)
av_log(s, AV_LOG_ERROR,
"Invalid bits_per_coded_sample %d for %d channels\n",
st->codec->bits_per_coded_sample, st->codec->channels);
- return AVERROR_INVALIDDATA;
+ ret = AVERROR_INVALIDDATA;
+ goto end;
}
st->duration = total_decoded_bytes / bytes_per_sample;
@@ -239,9 +245,10 @@ static int xwma_read_header(AVFormatContext *s)
st->duration = (size<<3) * st->codec->sample_rate / st->codec->bit_rate;
}
+end:
av_free(dpds_table);
- return 0;
+ return ret;
}
static int xwma_read_packet(AVFormatContext *s, AVPacket *pkt)