From: Luca Barbato <[email protected]>
CC: [email protected]
Bug-Id: CID 1087092
---
libavformat/xwma.c | 25 ++++++++++++++++---------
1 file changed, 16 insertions(+), 9 deletions(-)
diff --git a/libavformat/xwma.c b/libavformat/xwma.c
index 45d74de..0af4182 100644
--- a/libavformat/xwma.c
+++ b/libavformat/xwma.c
@@ -44,9 +44,9 @@ static int xwma_probe(AVProbeData *p)
static int xwma_read_header(AVFormatContext *s)
{
int64_t size;
- int ret;
+ int ret = 0;
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_INVALIDDATA;
+ goto fail;
+ }
/* 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 fail;
}
/* Compute the number of entries in the dpds chunk. */
@@ -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 fail;
+ }
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 fail;
}
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;
}
+fail:
av_free(dpds_table);
- return 0;
+ return ret;
}
static int xwma_read_packet(AVFormatContext *s, AVPacket *pkt)
--
1.9.3 (Apple Git-50)
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