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添加空指针检查

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Signed-off-by: liushuai <cqliushuai@outlook.com>
This commit is contained in:
liushuai 2024-11-04 18:00:35 +08:00
parent 468574896a
commit b10ff8806c
1 changed files with 6 additions and 3 deletions
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9
libavformat/av3adec.c
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@ -203,7 +203,7 @@ static int av3a_get_packet_size(AVFormatContext *s)
int16_t objects, hoa_order;
int64_t total_bitrate;
if ((!s) || (!s->pb)) {
if (!s) {
return AVERROR(ENOMEM);
}
@ -347,11 +347,14 @@ static int av3a_read_header(AVFormatContext *s)
{
int ret = 0;
uint8_t header[AV3A_MAX_NBYTES_HEADER];
AVIOContext *pb = s->pb;
AVStream *stream = NULL;
Av3aFormatContext av3afmtctx;
AATFHeaderInfo hdf;
if (!s) {
return AVERROR(ENOMEM);
}
if (!(stream = avformat_new_stream(s, NULL))) {
return AVERROR(ENOMEM);
}
@ -362,7 +365,7 @@ static int av3a_read_header(AVFormatContext *s)
stream->codecpar->codec_id = s->iformat->raw_codec_id;
stream->codecpar->codec_tag = MKTAG('a', 'v', '3', 'a');
if ((ret = avio_read(pb, header, AV3A_MAX_NBYTES_HEADER)) != AV3A_MAX_NBYTES_HEADER) {
if ((ret = avio_read(s->pb, header, AV3A_MAX_NBYTES_HEADER)) != AV3A_MAX_NBYTES_HEADER) {
return (ret < 0) ? ret : AVERROR_EOF;
}