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authorKlaus Schmidinger <kls (at) cadsoft (dot) de>2001-08-12 18:00:00 +0200
committerKlaus Schmidinger <kls (at) cadsoft (dot) de>2001-08-12 18:00:00 +0200
commitefea0f64d08052b0189d962101e1a3634d4adfc8 (patch)
treea3feff7ccf6874da549b25ea3b671d15a65d0e3d /ac3dec/cpu_accel.c
parentf1d1c9849c8e27cccb46cf9c0d0ccb59da3f91f9 (diff)
downloadvdr-patch-lnbsharing-efea0f64d08052b0189d962101e1a3634d4adfc8.tar.gz
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Version 0.91vdr-0.91
- Fixed displaying colored button texts that are too long. - Suppressing replay progress display when replaying a DVD. - Updated channels.conf.cable (thanks to Uwe Scheffler). - Updated French OSD texts (thanks to Jean-Claude Repetto). - Improved AC3 decoding when replaying DVDs (thanks to Matjaz Thaler). - Fixed handling DVB card indexes when using only one card in a multi-card system. - Changed the 'Eject DVD' button text to a simple 'Eject' (the German text was too long...). - Made the font file generation more stable (thanks to Artur Skawina). - Changed the default value for the "DiSEqC" setup parameter to "off". - The new command line option '-E' can be used to define where the EPG data shall be written to. This is especially useful if VDR runs in a system that turns off the video disk when it is not used, and therefore needs to write the EPG file to a ramdisk (or turn off writing it alltogether). See 'vdr --help' for details. - Making sure the disk is up and running before starting recording (this is important for systems that turn off the video disk when it is not used). - Added the "Jump" function in replay mode (thanks to Stefan Huelswitt). See the description of the "Red" key in MANUAL under "Replay Control" for details. - Fixed displaying editing marks when toggling a mark in "pause" mode. - If there is no free DVB device to record, the log message will now be given only once. - Made I/O more robust by handling EINTR (thanks to Werner Fink).
Diffstat (limited to 'ac3dec/cpu_accel.c')
-rw-r--r--ac3dec/cpu_accel.c129
1 files changed, 129 insertions, 0 deletions
diff --git a/ac3dec/cpu_accel.c b/ac3dec/cpu_accel.c
new file mode 100644
index 0000000..e01db83
--- /dev/null
+++ b/ac3dec/cpu_accel.c
@@ -0,0 +1,129 @@
+/*****
+*
+* This file is part of the OMS program.
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation; either version 2, or (at your option)
+* any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; see the file COPYING. If not, write to
+* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+*
+*****/
+
+#include <inttypes.h>
+#include "mm_accel.h"
+
+//#ifdef __i386__
+#if 0
+
+#ifdef __PIC__
+#define cpuid(op, eax, ebx, ecx, edx) \
+ __asm__ __volatile__ ("pushl %%ebx\n\t" \
+ "cpuid\n\t" \
+ "movl %%ebx, %%esi\n\t" \
+ "popl %%ebx" \
+ : "=a" (eax), \
+ "=S" (ebx), \
+ "=c" (ecx), \
+ "=d" (edx) \
+ : "a" (op) \
+ : "cc")
+#else
+#define cpuid(op, eax, ebx, ecx, edx) \
+ __asm__("cpuid" \
+ : "=a" (eax), \
+ "=b" (ebx), \
+ "=c" (ecx), \
+ "=d" (edx) \
+ : "a" (op) \
+ : "cc")
+#endif
+
+static inline int has_cpuid ()
+{
+ return 1;
+/*
+ uint32_t eax, ebx;
+
+ asm ("pushfl\n\t"
+ "popl %0\n\t"
+ "movl %0,%1\n\t"
+ "xorl $0x200000,%0\n\t"
+ "pushl %0\n\t"
+ "popfl\n\t"
+ "pushfl\n\t"
+ "popl %0"
+ : "=a" (eax),
+ "=b" (ebx)
+ :
+ : "cc");
+
+ return (eax != ebx);
+*/
+}
+
+
+static uint32_t x86_accel (void)
+{
+ uint32_t eax, ebx, ecx, edx;
+ int AMD;
+ uint32_t caps;
+
+ if (!has_cpuid ()) // no cpuid
+ return 0;
+
+ cpuid (0x00000000, eax, ebx, ecx, edx);
+ if (!eax) // vendor string only
+ return 0;
+
+ AMD = (ebx == 0x68747541) && (ecx == 0x444d4163) && (edx == 0x69746e65);
+
+ cpuid (0x00000001, eax, ebx, ecx, edx);
+ if (! (edx & 0x00800000)) // no MMX
+ return 0;
+
+ caps = OMS_ACCEL_X86_MMX;
+ if (edx & 0x02000000) // SSE - identical to AMD MMX extensions
+ caps = OMS_ACCEL_X86_MMX | OMS_ACCEL_X86_MMXEXT;
+
+ cpuid (0x80000000, eax, ebx, ecx, edx);
+ if (eax < 0x80000001) // no extended capabilities
+ return caps;
+
+ cpuid (0x80000001, eax, ebx, ecx, edx);
+
+ if (edx & 0x80000000)
+ caps |= OMS_ACCEL_X86_3DNOW;
+
+ if (AMD && (edx & 0x00400000)) // AMD MMX extensions
+ caps |= OMS_ACCEL_X86_MMXEXT;
+
+ return caps;
+}
+#endif
+
+uint32_t mm_accel (void)
+{
+//#ifdef __i386__
+#if 0
+ static int got_accel = 0;
+ static uint32_t accel;
+
+ if (!got_accel) {
+ got_accel = 1;
+ accel = x86_accel ();
+ }
+
+ return accel;
+#else
+ return 0;
+#endif
+}