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avformat/evcdec: remove unnecessary av_packet_unref() calls

And return proper error codes.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2023-06-19 23:35:37 -03:00
parent 2276bcc52a
commit 43ace56c7e

View File

@ -186,11 +186,8 @@ static int evc_read_packet(AVFormatContext *s, AVPacket *pkt)
EVCDemuxContext *const c = s->priv_data;
int eof = avio_feof (s->pb);
if(eof) {
av_packet_unref(pkt);
if (avio_feof(s->pb))
return AVERROR_EOF;
}
while(!au_end_found) {
uint8_t buf[EVC_NALU_LENGTH_PREFIX_SIZE];
@ -200,16 +197,12 @@ static int evc_read_packet(AVFormatContext *s, AVPacket *pkt)
return ret;
ret = avio_read(s->pb, (unsigned char *)&buf, EVC_NALU_LENGTH_PREFIX_SIZE);
if (ret < 0) {
av_packet_unref(pkt);
if (ret < 0)
return ret;
}
nalu_size = read_nal_unit_length((const uint8_t *)&buf, EVC_NALU_LENGTH_PREFIX_SIZE);
if(nalu_size <= 0) {
av_packet_unref(pkt);
return -1;
}
if (nalu_size <= 0)
return AVERROR_INVALIDDATA;
avio_seek(s->pb, -EVC_NALU_LENGTH_PREFIX_SIZE, SEEK_CUR);
@ -217,7 +210,7 @@ static int evc_read_packet(AVFormatContext *s, AVPacket *pkt)
if (ret < 0)
return ret;
if (ret != (nalu_size + EVC_NALU_LENGTH_PREFIX_SIZE))
return AVERROR(EIO);
return AVERROR_INVALIDDATA;
ret = av_bsf_send_packet(c->bsf, pkt);
if (ret < 0) {