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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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c125059f97
Original commit message from CVS: Added the excellent mpeg2dec decoder. Not 100% optimized but allready very fast. More cleanup.
35 lines
808 B
C
35 lines
808 B
C
/* define DCT types */
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#include "config.h"
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/*
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* DCTSIZE underlying (1d) transform size
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* DCTSIZE2 DCTSIZE squared
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*/
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#define DCTSIZE (8)
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#define DCTSIZE2 (DCTSIZE*DCTSIZE)
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#define EIGHT_BIT_SAMPLES /* needed in jrevdct.c */
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typedef short DCTELEM; /* must be at least 16 bits */
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typedef DCTELEM DCTBLOCK[DCTSIZE2];
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typedef long INT32; /* must be at least 32 bits */
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extern void gst_idct_int_idct();
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extern void gst_idct_init_fast_int_idct (void);
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extern void gst_idct_fast_int_idct (short *block);
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#ifdef HAVE_LIBMMX
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extern void gst_idct_mmx_idct (short *block);
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extern void gst_idct_mmx32_idct (short *block);
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extern void gst_idct_sse_idct (short *block);
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#endif /* HAVE_LIBMMX */
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extern void gst_idct_init_float_idct(void);
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extern void gst_idct_float_idct (short *block);
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