first cut at altivec support on darwin patch by (Brian Foley <bfoley at compsoc dot nuigalway dot ie>)

Originally committed as revision 875 to svn://svn.ffmpeg.org/ffmpeg/trunk

more debug output by default for errors (so we can see immedeatly whats wrong on bugreports)
guess long_vectors mode

Originally committed as revision 874 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 873 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 872 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 870 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 869 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 867 to svn://svn.ffmpeg.org/ffmpeg/trunk

forgot the const bits in 2pass curve matching (patch (with rounding removed) by Rémi Guyomarch <rguyom at pobox dot com>)

Originally committed as revision 866 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 865 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 864 to svn://svn.ffmpeg.org/ffmpeg/trunk

sadly there are no (unsigned) int left in AVCodecContext so this breaks shared libavcodec libs :(

Originally committed as revision 863 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 862 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 861 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 859 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 858 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 857 to svn://svn.ffmpeg.org/ffmpeg/trunk

dont trash mm0, its still used in the next iteration of the loop (fixes strange horizontal lines on some blocks in b frames on mmx only cpus)

Originally committed as revision 855 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 854 to svn://svn.ffmpeg.org/ffmpeg/trunk

skip blocks with small chroma dc too (if the user wants it) needed to avoid IDCT(input coeffs !=0) == 0 problems which cause catastrophic error accumulation at qp=1

Originally committed as revision 853 to svn://svn.ffmpeg.org/ffmpeg/trunk

  creating $(prefix)/bin and $(prefix)/lib
  improved linking libavcodec.so -> libavcodec-$(VERSION).so
  ldconfig does not rise an error on not beeing root when installing

Originally committed as revision 852 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 849 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 848 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 844 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 843 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 842 to svn://svn.ffmpeg.org/ffmpeg/trunk

hopefully fixing unreprodceable segfault when overreading the end if error_resilience==-1 (it didnt overread here though)

Originally committed as revision 841 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 840 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 839 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 838 to svn://svn.ffmpeg.org/ffmpeg/trunk

last_picture should be never == NULL (it was with dr1) this might fix a segfault with error concealment

Originally committed as revision 837 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 836 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 835 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 834 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 833 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 832 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 831 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 827 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 826 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 824 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 814 to svn://svn.ffmpeg.org/ffmpeg/trunk