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mpeg: remove disabled code

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This commit is contained in:
Diego Biurrun 2011-07-29 12:01:22 +02:00
parent c37c383e59
commit 20d569dd61
1 changed files with 0 additions and 41 deletions
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41
libavformat/mpeg.c
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@ -163,41 +163,6 @@ static int find_next_start_code(AVIOContext *pb, int *size_ptr,
return val;
}
#if 0 /* unused, remove? */
/* XXX: optimize */
static int find_prev_start_code(AVIOContext *pb, int *size_ptr)
{
int64_t pos, pos_start;
int max_size, start_code;
max_size = *size_ptr;
pos_start = avio_tell(pb);
/* in order to go faster, we fill the buffer */
pos = pos_start - 16386;
if (pos < 0)
pos = 0;
avio_seek(pb, pos, SEEK_SET);
avio_r8(pb);
pos = pos_start;
for(;;) {
pos--;
if (pos < 0 || (pos_start - pos) >= max_size) {
start_code = -1;
goto the_end;
}
avio_seek(pb, pos, SEEK_SET);
start_code = avio_rb32(pb);
if ((start_code & 0xffffff00) == 0x100)
break;
}
the_end:
*size_ptr = pos_start - pos;
return start_code;
}
#endif
/**
* Extract stream types from a program stream map
* According to ISO/IEC 13818-1 ('MPEG-2 Systems') table 2-35
@ -327,12 +292,6 @@ static int mpegps_read_pes_header(AVFormatContext *s,
}
} else if ((c & 0xc0) == 0x80) {
/* mpeg 2 PES */
#if 0 /* some streams have this field set for no apparent reason */
if ((c & 0x30) != 0) {
/* Encrypted multiplex not handled */
goto redo;
}
#endif
flags = avio_r8(s->pb);
header_len = avio_r8(s->pb);
len -= 2;