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Enlarged buffer size of libcdio adapter on Linux to 64k

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This commit is contained in:
Thomas Schmitt 2010-01-04 13:52:57 +00:00
parent d9239aeafc
commit 80bcabfd57
2 changed files with 9 additions and 5 deletions
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2
cdrskin/cdrskin_timestamp.h
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@ -1 +1 @@
#define Cdrskin_timestamP "2010.01.04.134949"
#define Cdrskin_timestamP "2010.01.04.135427"

12
libburn/os-libcdio.h
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@ -39,12 +39,16 @@ SIGKILL, SIGCHLD, SIGSTOP
/* The maximum size for a (SCSI) i/o transaction */
/* Important : MUST be at least 32768 ! */
/* (It might be risky to use 64k. FreeBSD is said to can only 32k.) */
/* On Linux kernel 2.6.18 when stream recording 2x BD-RE
this would bring about 10 % more speed:
BURN_OS_TRANSPORT_BUFFER_SIZE 65536
/* My Blu-ray burner LG GGW-H20 writes junk if stream recording is combined
with buffer size 32 kB. So stream recording is allowed only with size 64k.
This makes it worth to have a special case for Linux buffer size here.
*/
#ifdef __linux
#define BURN_OS_TRANSPORT_BUFFER_SIZE 65536
#else
/* (It might be risky to use 64k. FreeBSD is said to can only 32k.) */
#define BURN_OS_TRANSPORT_BUFFER_SIZE 32768
#endif
/* To hold the position of the most recently delivered address from