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| author | Roman Shaposhnik <roman@shaposhnik.org> | 2003-10-24 18:28:01 +0000 |
|---|---|---|
| committer | Roman Shaposhnik <roman@shaposhnik.org> | 2003-10-24 18:28:01 +0000 |
| commit | 10acc47995831802501d0dbb9aab4ba7f91cbcfb (patch) | |
| tree | 845c52c076f79526aaaed3ad815056d1b0835715 /libavcodec/dsputil.h | |
| parent | 01a2ddaf85037db70ae73efe1fcc74e148313523 (diff) | |
* introducing dct248 into the DSP context.
* simple/accurate implementation of dct248
* DV encoding now supports 2-4-8 DCT
* DV encoding gets a bit faster (but still miles away
from what I think it could do)
* misc. DV codec cleanups
Originally committed as revision 2425 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/dsputil.h')
| -rw-r--r-- | libavcodec/dsputil.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h index 9bb5fd2df5..f8711d2960 100644 --- a/libavcodec/dsputil.h +++ b/libavcodec/dsputil.h @@ -37,6 +37,7 @@ typedef short DCTELEM; void fdct_ifast (DCTELEM *data); void ff_jpeg_fdct_islow (DCTELEM *data); +void ff_fdct248_islow (DCTELEM *data); void j_rev_dct (DCTELEM *data); @@ -47,6 +48,7 @@ void ff_fdct_mmx2(DCTELEM *block); extern const uint8_t ff_alternate_horizontal_scan[64]; extern const uint8_t ff_alternate_vertical_scan[64]; extern const uint8_t ff_zigzag_direct[64]; +extern const uint8_t ff_zigzag248_direct[64]; /* pixel operations */ #define MAX_NEG_CROP 384 @@ -244,6 +246,7 @@ typedef struct DSPContext { /* (I)DCT */ void (*fdct)(DCTELEM *block/* align 16*/); + void (*fdct248)(DCTELEM *block/* align 16*/); /* IDCT really*/ void (*idct)(DCTELEM *block/* align 16*/); |