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avformat/s337m: Use av_get_packet() to read packet 

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2021-03-20 04:39:27 +01:00
parent 47d0b86cf3
commit 84b02bbb78
1 changed files with 2 additions and 11 deletions
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13
libavformat/s337m.c
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@ -147,7 +147,6 @@ static int s337m_read_packet(AVFormatContext *s, AVPacket *pkt)
uint64_t state = 0;
int ret, data_type, data_size, offset;
enum AVCodecID codec;
int64_t pos;
while (!IS_LE_MARKER(state)) {
state = (state << 8) | avio_r8(pb);
@ -163,19 +162,11 @@ static int s337m_read_packet(AVFormatContext *s, AVPacket *pkt)
data_size = avio_rl24(pb);
}
pos = avio_tell(pb);
if ((ret = s337m_get_offset_and_codec(s, state, data_type, data_size, &offset, &codec)) < 0)
return ret;
if ((ret = av_new_packet(pkt, offset)) < 0)
return ret;
pkt->pos = pos;
if (avio_read(pb, pkt->data, pkt->size) < pkt->size) {
return AVERROR_EOF;
}
if ((ret = av_get_packet(pb, pkt, offset)) != offset)
return ret < 0 ? ret : AVERROR_EOF;
if (IS_16LE_MARKER(state))
ff_spdif_bswap_buf16((uint16_t *)pkt->data, (uint16_t *)pkt->data, pkt->size >> 1);