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* x86: Fix constraints for decode_significance*_x86Martin Storsjö2011-12-27
| | | | | | | | | | | | | | | | | | | Originally, prior to 8742a4ff8, the caller code was compiled within this condition: ARCH_X86 && HAVE_7REGS && HAVE_EBX_AVAILABLE && !defined(BROKEN_RELOCATIONS) Since HAVE_7REGS is defined as (ARCH_X86_64 || (HAVE_EBX_AVAILABLE && HAVE_EBP_AVAILABLE)) the subcondition HAVE_7REGS && HAVE_EBX_AVAILABLE is equal to HAVE_7REGS (for 32 bit at least). The correct simplification of the original condition thus is HAVE_7REGS, not HAVE_EBX_AVAILABLE. This fixes compilation in some cases where HAVE_EBP_AVAILABLE = 0 and HAVE_EBX_AVAILABLE = 1. Signed-off-by: Martin Storsjö <martin@martin.st>
* x86: Tighten register constraints for decode_significance*_x86.Diego Biurrun2011-12-21
| | | | | | | On 32-bit OS X with gcc 4.0/4.2 and shared libraries enabled, the ebx register is not available, but required to assemble the functions. This reverts commit 8742a4f to a simplified version of the original constraints.
* x86: cabac: replace explicit memory references with "m" operandsMans Rullgard2011-12-11
| | | | | | | | This replaces the explicit offset(reg) memory references with "m" operands for the same locations. As a result, one fewer register operand is needed for these inline asm statements. Signed-off-by: Mans Rullgard <mans@mansr.com>
* x86: drop pointless ARCH_X86 #ifdef from files in x86 subdirectoryDiego Biurrun2011-11-08
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* x86: cabac: add operand size suffixes missing from 6c32576Mans Rullgard2011-07-28
| | | | | | This fixes build with clang. Signed-off-by: Mans Rullgard <mans@mansr.com>
* x86: cabac: don't load/store context values in asmMans Rullgard2011-07-28
| | | | | | | | | | | Inspection of compiled code shows gcc handles these fine on its own. Benchmarking also shows no measurable speed difference. Removing the remaining cases in get_cabac_bypass_sign_x86() does cause more substantial changes to the compiled code with uncertain impact. Signed-off-by: Mans Rullgard <mans@mansr.com>
* H.264: optimize CABAC x86 asm for AtomJason Garrett-Glaser2011-07-28
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* x86: cabac: fix register constraints for 32-bit modeMans Rullgard2011-06-20
| | | | | | | | Some operands need to be accessed in byte mode, which restricts the available registers in 32-bit mode. Using the 'q' constraint selects a suitable register. Signed-off-by: Mans Rullgard <mans@mansr.com>
* cabac: move x86 asm to libavcodec/x86/cabac.hMans Rullgard2011-06-20
| | | | Signed-off-by: Mans Rullgard <mans@mansr.com>
* x86: h264: cast pointers to intptr_t rather than intMans Rullgard2011-06-20
| | | | | | | Only the low-order bits are used here so the type is not important, but this avoids a compiler warning. Signed-off-by: Mans Rullgard <mans@mansr.com>
* x86: h264: remove hardcoded edi in decode_significance_8x8_x86()Mans Rullgard2011-06-20
| | | | Signed-off-by: Mans Rullgard <mans@mansr.com>
* x86: h264: remove hardcoded esi in decode_significance[_8x8]_x86()Mans Rullgard2011-06-20
| | | | Signed-off-by: Mans Rullgard <mans@mansr.com>
* x86: h264: remove hardcoded edx in decode_significance[_8x8]_x86()Mans Rullgard2011-06-20
| | | | Signed-off-by: Mans Rullgard <mans@mansr.com>
* x86: h264: remove hardcoded eax in decode_significance[_8x8]_x86()Mans Rullgard2011-06-20
| | | | Signed-off-by: Mans Rullgard <mans@mansr.com>
* x86: cabac: remove hardcoded ebx in inline asmMans Rullgard2011-06-20
| | | | Signed-off-by: Mans Rullgard <mans@mansr.com>
* x86: cabac: remove hardcoded struct offsets from inline asmMans Rullgard2011-06-20
| | | | Signed-off-by: Mans Rullgard <mans@mansr.com>
* 4:4:4 H.264 decoding supportJason Garrett-Glaser2011-06-13
| | | | Note: this is 4:4:4 from the 2007 spec revision, not the previous (now deprecated) 4:4:4 mode in H.264.
* Roll back 4:4:4 H.264 for nowJason Garrett-Glaser2011-06-13
| | | | Needs some ARM/PPC asm modifications.
* 4:4:4 H.264 decoding supportJason Garrett-Glaser2011-06-13
| | | | Note: this is 4:4:4 from the 2007 spec revision, not the previous (now deprecated) 4:4:4 mode in H.264.
* Replace FFmpeg with Libav in licence headersMans Rullgard2011-03-19
| | | | Signed-off-by: Mans Rullgard <mans@mansr.com>
* Remove explicit filename from Doxygen @file commands.Diego Biurrun2010-04-20
| | | | | | | | Passing an explicit filename to this command is only necessary if the documentation in the @file block refers to a file different from the one the block resides in. Originally committed as revision 22921 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Use full internal pathname in doxygen @file directives.Diego Biurrun2009-02-01
| | | | | | | Otherwise doxygen complains about ambiguous filenames when files exist under the same name in different subdirectories. Originally committed as revision 16912 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Change semantic of CONFIG_*, HAVE_* and ARCH_*.Aurelien Jacobs2009-01-13
| | | | | | They are now always defined to either 0 or 1. Originally committed as revision 16590 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Rename libavcodec/i386/ --> libavcodec/x86/.Diego Biurrun2008-12-22
It contains optimizations that are not specific to i386 and libavutil uses this naming scheme already. Originally committed as revision 16270 to svn://svn.ffmpeg.org/ffmpeg/trunk
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