SDL  2.0
SDL_yuv_sw_c.h
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
4 
5  This software is provided 'as-is', without any express or implied
6  warranty. In no event will the authors be held liable for any damages
7  arising from the use of this software.
8 
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12 
13  1. The origin of this software must not be misrepresented; you must not
14  claim that you wrote the original software. If you use this software
15  in a product, an acknowledgment in the product documentation would be
16  appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18  misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20 */
21 #include "../SDL_internal.h"
22 
23 #include "SDL_video.h"
24 
25 /* This is the software implementation of the YUV texture support */
26 
28 {
31  int w, h;
33  int *colortab;
36  unsigned char *lum, unsigned char *cr,
37  unsigned char *cb, unsigned char *out,
38  int rows, int cols, int mod);
40  unsigned char *lum, unsigned char *cr,
41  unsigned char *cb, unsigned char *out,
42  int rows, int cols, int mod);
43 
44  /* These are just so we don't have to allocate them separately */
47 
48  /* This is a temporary surface in case we have to stretch copy */
51 };
52 
54 
57  int *pitch);
59  const void *pixels, int pitch);
61  const Uint8 *Yplane, int Ypitch,
62  const Uint8 *Uplane, int Upitch,
63  const Uint8 *Vplane, int Vpitch);
65  void **pixels, int *pitch);
67 int SDL_SW_CopyYUVToRGB(SDL_SW_YUVTexture * swdata, const SDL_Rect * srcrect,
68  Uint32 target_format, int w, int h, void *pixels,
69  int pitch);
71 
72 /* FIXME: This breaks on various versions of GCC and should be rewritten using intrinsics */
73 #if 0 /* (__GNUC__ > 2) && defined(__i386__) && __OPTIMIZE__ && SDL_ASSEMBLY_ROUTINES && !defined(__clang__) */
74 #define USE_MMX_ASSEMBLY 1
75 #endif
76 
77 /* vi: set ts=4 sw=4 expandtab: */
void(* Display1X)(int *colortab, Uint32 *rgb_2_pix, unsigned char *lum, unsigned char *cr, unsigned char *cb, unsigned char *out, int rows, int cols, int mod)
Definition: SDL_yuv_sw_c.h:35
int SDL_SW_UpdateYUVTexture(SDL_SW_YUVTexture *swdata, const SDL_Rect *rect, const void *pixels, int pitch)
Definition: SDL_yuv_sw.c:1129
SDL_Rect rect
Definition: testrelative.c:27
GLfloat GLfloat GLfloat GLfloat h
A collection of pixels used in software blitting.
Definition: SDL_surface.h:69
uint32_t Uint32
Definition: SDL_stdinc.h:181
int SDL_SW_UpdateYUVTexturePlanar(SDL_SW_YUVTexture *swdata, const SDL_Rect *rect, const Uint8 *Yplane, int Ypitch, const Uint8 *Uplane, int Upitch, const Uint8 *Vplane, int Vpitch)
Definition: SDL_yuv_sw.c:1203
GLint GLint GLsizei GLsizei GLsizei GLint GLenum format
Definition: SDL_opengl.h:1572
SDL_SW_YUVTexture * SDL_SW_CreateYUVTexture(Uint32 format, int w, int h)
Definition: SDL_yuv_sw.c:1036
uint8_t Uint8
Definition: SDL_stdinc.h:157
GLubyte GLubyte GLubyte GLubyte w
void SDL_SW_UnlockYUVTexture(SDL_SW_YUVTexture *swdata)
Definition: SDL_yuv_sw.c:1283
Uint32 * rgb_2_pix
Definition: SDL_yuv_sw_c.h:34
void SDL_SW_DestroyYUVTexture(SDL_SW_YUVTexture *swdata)
Definition: SDL_yuv_sw.c:1408
GLint GLint GLsizei GLsizei GLsizei GLint GLenum GLenum const GLvoid * pixels
Definition: SDL_opengl.h:1572
SDL_Surface * stretch
Definition: SDL_yuv_sw_c.h:49
int SDL_SW_CopyYUVToRGB(SDL_SW_YUVTexture *swdata, const SDL_Rect *srcrect, Uint32 target_format, int w, int h, void *pixels, int pitch)
Definition: SDL_yuv_sw.c:1288
Uint8 * planes[3]
Definition: SDL_yuv_sw_c.h:46
void(* Display2X)(int *colortab, Uint32 *rgb_2_pix, unsigned char *lum, unsigned char *cr, unsigned char *cb, unsigned char *out, int rows, int cols, int mod)
Definition: SDL_yuv_sw_c.h:39
Uint16 pitches[3]
Definition: SDL_yuv_sw_c.h:45
SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char const char SDL_SCANF_FORMAT_STRING const char return SDL_ThreadFunction const char void return Uint32 return Uint32 void
uint16_t Uint16
Definition: SDL_stdinc.h:169
int SDL_SW_LockYUVTexture(SDL_SW_YUVTexture *swdata, const SDL_Rect *rect, void **pixels, int *pitch)
Definition: SDL_yuv_sw.c:1258
int SDL_SW_QueryYUVTexturePixels(SDL_SW_YUVTexture *swdata, void **pixels, int *pitch)
Definition: SDL_yuv_sw.c:1120
SDL_Surface * display
Definition: SDL_yuv_sw_c.h:50
A rectangle, with the origin at the upper left.
Definition: SDL_rect.h:64