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libeplayer3: further malloc-memcpy-write -> writev replacements; not fully regression tested

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martii
2013-06-08 11:15:09 +02:00
committed by Stefan Seyfried
parent 9556f935bf
commit 546eb23e0e
12 changed files with 141 additions and 164 deletions
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23
libeplayer3/output/writer/mpeg2.c
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@@ -31,6 +31,7 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/uio.h>
#include <linux/dvb/video.h>
#include <linux/dvb/audio.h>
#include <memory.h>
@@ -120,7 +121,7 @@ static int writeData(void* _call)
return 0;
}
while(1) {
while(Position < call->len) {
int PacketLength = (call->len - Position) <= MAX_PES_PACKET_SIZE ?
(call->len - Position) : MAX_PES_PACKET_SIZE;
@@ -128,19 +129,21 @@ static int writeData(void* _call)
mpeg2_printf(20, "PacketLength=%d, Remaining=%d, Position=%d\n", PacketLength, Remaining, Position);
int HeaderLength = InsertPesHeader (PesHeader, PacketLength, 0xe0, call->Pts, 0);
unsigned char* PacketStart = malloc(PacketLength + HeaderLength);
memcpy (PacketStart, PesHeader, HeaderLength);
memcpy (PacketStart + HeaderLength, call->data + Position, PacketLength);
struct iovec iov[2];
iov[0].iov_base = PesHeader;
iov[0].iov_len = InsertPesHeader (PesHeader, PacketLength, 0xe0, call->Pts, 0);
iov[1].iov_base = call->data + Position;
iov[1].iov_len = PacketLength;
len = write(call->fd, PacketStart, PacketLength + HeaderLength);
free(PacketStart);
ssize_t l = writev(call->fd, iov, 2);
if (l < 0) {
len = l;
break;
}
len += l;
Position += PacketLength;
call->Pts = INVALID_PTS_VALUE;
if (Position == call->len)
break;
}
mpeg2_printf(10, "< len %d\n", len);