Discussion:
[Python-3000-checkins] r67346 - in python/branches/py3k/Modules: yuv.h yuvconvert.c
amaury.forgeotdarc
2008-11-22 22:59:15 UTC
Permalink
Author: amaury.forgeotdarc
Date: Sat Nov 22 23:59:15 2008
New Revision: 67346

Log:
These files used to belong to the "sv" module, which was deleted.


Removed:
python/branches/py3k/Modules/yuv.h
python/branches/py3k/Modules/yuvconvert.c

Deleted: python/branches/py3k/Modules/yuv.h
==============================================================================
--- python/branches/py3k/Modules/yuv.h Sat Nov 22 23:59:15 2008
+++ (empty file)
@@ -1,99 +0,0 @@
-
-#ifndef Py_YUV_H
-#define Py_YUV_H
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*
- * SVideo YUV 4:1:1 format.
- *
- * 4 consecutive quadwords describe 8 pixels on 2 lines, as depicted
- * below. An array of (width/4) of the below structure describes 2
- * scan lines.
- *
- * +-------------------+
- * | 00 | 01 | 02 | 03 | . . .
- * +-------------------+
- * | 10 | 11 | 12 | 13 | . . .
- * +-------------------+
- */
-struct yuv411 {
- struct {
- unsigned int dummy:8;
- unsigned int y0:8;
- unsigned int u0:2;
- unsigned int v0:2;
- unsigned int y1:8;
- unsigned int u1:2;
- unsigned int v1:2;
- } v[4];
-};
-
-#define YUV411_Y00(y) (y).v[0].y0
-#define YUV411_Y01(y) (y).v[1].y0
-#define YUV411_Y02(y) (y).v[2].y0
-#define YUV411_Y03(y) (y).v[3].y0
-#define YUV411_Y10(y) (y).v[0].y1
-#define YUV411_Y11(y) (y).v[1].y1
-#define YUV411_Y12(y) (y).v[2].y1
-#define YUV411_Y13(y) (y).v[3].y1
-#define YUV411_U00(y) ((y).v[0].u0<<6|(y).v[1].u0<<4|(y).v[2].u0<<2|(y).v[3].u0)
-#define YUV411_U01(y) YUV411_U00(y)
-#define YUV411_U02(y) YUV411_U00(y)
-#define YUV411_U03(y) YUV411_U00(y)
-#define YUV411_U10(y) ((y).v[0].u1<<6|(y).v[1].u1<<4|(y).v[2].u1<<2|(y).v[3].u1)
-#define YUV411_U11(y) YUV411_U10(y)
-#define YUV411_U12(y) YUV411_U10(y)
-#define YUV411_U13(y) YUV411_U10(y)
-#define YUV411_V00(y) ((y).v[0].v0<<6|(y).v[1].v0<<4|(y).v[2].v0<<2|(y).v[3].v0)
-#define YUV411_V01(y) YUV411_V00(y)
-#define YUV411_V02(y) YUV411_V00(y)
-#define YUV411_V03(y) YUV411_V00(y)
-#define YUV411_V10(y) ((y).v[0].v1<<6|(y).v[1].v1<<4|(y).v[2].v1<<2|(y).v[3].v1)
-#define YUV411_V11(y) YUV411_V10(y)
-#define YUV411_V12(y) YUV411_V10(y)
-#define YUV411_V13(y) YUV411_V10(y)
-
-/*
- * Compression Library YUV 4:2:2 format.
- *
- * 1 longword describes 2 pixels.
- *
- * +-------+
- * | 0 | 1 |
- * +-------+
- */
-struct yuv422 {
- unsigned int u:8;
- unsigned int y0:8;
- unsigned int v:8;
- unsigned int y1:8;
-};
-#define YUV422_Y0(y) (y).y0
-#define YUV422_Y1(y) (y).y1
-#define YUV422_U0(y) (y).u
-#define YUV422_U1(y) (y).u
-#define YUV422_V0(y) (y).v
-#define YUV422_V1(y) (y).v
-
-/*
- * Compression library YUV 4:2:2 Duplicate Chroma format.
- *
- * This is like the previous format, but the U and V values are
- * duplicated vertically (and hence there is some redundancy in the
- * data). With other words, lines 2*n and 2*n+1 have the same U and V
- * values but different Y values.
- */
-
-/*
- * Conversion functions.
- */
-void yuv_sv411_to_cl422dc(int, void *, void *, int, int);
-void yuv_sv411_to_cl422dc_quartersize(int, void *, void *, int, int);
-void yuv_sv411_to_cl422dc_sixteenthsize(int, void *, void *, int, int);
-
-#ifdef __cplusplus
-}
-#endif
-#endif /* !Py_YUV_H */

Deleted: python/branches/py3k/Modules/yuvconvert.c
==============================================================================
--- python/branches/py3k/Modules/yuvconvert.c Sat Nov 22 23:59:15 2008
+++ (empty file)
@@ -1,118 +0,0 @@
-
-#include "yuv.h"
-
-void
-yuv_sv411_to_cl422dc(int invert, void *data, void *yuv, int width, int height)
-{
- struct yuv411 *in = data;
- struct yuv422 *out_even = yuv;
- struct yuv422 *out_odd = out_even + width / 2;
- int i, j; /* counters */
-
- for (i = height / 2; i--; ) {
- for (j = width / 4; j--; ) {
- YUV422_Y0(*out_even) = YUV411_Y00(*in);
- YUV422_U0(*out_even) = YUV411_U00(*in);
- YUV422_V0(*out_even) = YUV411_V00(*in);
- YUV422_Y1(*out_even) = YUV411_Y01(*in);
- out_even++;
- YUV422_Y0(*out_even) = YUV411_Y02(*in);
- YUV422_U0(*out_even) = YUV411_U02(*in);
- YUV422_V0(*out_even) = YUV411_V02(*in);
- YUV422_Y1(*out_even) = YUV411_Y03(*in);
- out_even++;
- YUV422_Y0(*out_odd) = YUV411_Y10(*in);
- YUV422_U0(*out_odd) = YUV411_U10(*in);
- YUV422_V0(*out_odd) = YUV411_V10(*in);
- YUV422_Y1(*out_odd) = YUV411_Y11(*in);
- out_odd++;
- YUV422_Y0(*out_odd) = YUV411_Y12(*in);
- YUV422_U0(*out_odd) = YUV411_U12(*in);
- YUV422_V0(*out_odd) = YUV411_V12(*in);
- YUV422_Y1(*out_odd) = YUV411_Y13(*in);
- out_odd++;
- in++;
- }
- out_even += width / 2;
- out_odd += width / 2;
- }
-}
-
-void
-yuv_sv411_to_cl422dc_quartersize(int invert, void *data, void *yuv,
- int width, int height)
-{
- int w4 = width / 4; /* quarter of width is used often */
- struct yuv411 *in_even = data;
- struct yuv411 *in_odd = in_even + w4;
- struct yuv422 *out_even = yuv;
- struct yuv422 *out_odd = out_even + w4;
- int i, j; /* counters */
- int u, v; /* U and V values */
-
- for (i = height / 4; i--; ) {
- for (j = w4; j--; ) {
- u = YUV411_U00(*in_even);
- v = YUV411_V00(*in_even);
-
- YUV422_Y0(*out_even) = YUV411_Y00(*in_even);
- YUV422_U0(*out_even) = u;
- YUV422_V0(*out_even) = v;
- YUV422_Y1(*out_even) = YUV411_Y02(*in_even);
-
- YUV422_Y0(*out_odd) = YUV411_Y10(*in_odd);
- YUV422_U0(*out_odd) = u;
- YUV422_V0(*out_odd) = v;
- YUV422_Y1(*out_odd) = YUV411_Y12(*in_odd);
-
- in_even++;
- in_odd++;
- out_even++;
- out_odd++;
- }
- in_even += w4;
- in_odd += w4;
- out_even += w4;
- out_odd += w4;
- }
-}
-
-void
-yuv_sv411_to_cl422dc_sixteenthsize(int invert, void *data, void *yuv,
- int width, int height)
-{
- int w4_3 = 3 * width / 4; /* three quarters of width is used often */
- int w8 = width / 8; /* and so is one eighth */
- struct yuv411 *in_even = data;
- struct yuv411 *in_odd = in_even + width / 2;
- struct yuv422 *out_even = yuv;
- struct yuv422 *out_odd = out_even + w8;
- int i, j; /* counters */
- int u, v; /* U and V values */
-
- for (i = height / 8; i--; ) {
- for (j = w8; j--; ) {
- u = YUV411_U00(in_even[0]);
- v = YUV411_V00(in_even[0]);
-
- YUV422_Y0(*out_even) = YUV411_Y00(in_even[0]);
- YUV422_U0(*out_even) = u;
- YUV422_V0(*out_even) = v;
- YUV422_Y1(*out_even) = YUV411_Y00(in_even[1]);
-
- YUV422_Y0(*out_odd) = YUV411_Y00(in_odd[0]);
- YUV422_U0(*out_odd) = u;
- YUV422_V0(*out_odd) = v;
- YUV422_Y1(*out_odd) = YUV411_Y00(in_even[1]);
-
- in_even += 2;
- in_odd += 2;
- out_even++;
- out_odd++;
- }
- in_even += w4_3;
- in_odd += w4_3;
- out_even += w8;
- out_odd += w8;
- }
-}

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