1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/omx-plugin/include/ics/system/graphics.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,123 @@
1.4 +/*
1.5 + * Copyright (C) 2011 The Android Open Source Project
1.6 + *
1.7 + * Licensed under the Apache License, Version 2.0 (the "License");
1.8 + * you may not use this file except in compliance with the License.
1.9 + * You may obtain a copy of the License at
1.10 + *
1.11 + * http://www.apache.org/licenses/LICENSE-2.0
1.12 + *
1.13 + * Unless required by applicable law or agreed to in writing, software
1.14 + * distributed under the License is distributed on an "AS IS" BASIS,
1.15 + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1.16 + * See the License for the specific language governing permissions and
1.17 + * limitations under the License.
1.18 + */
1.19 +
1.20 +#ifndef SYSTEM_CORE_INCLUDE_ANDROID_GRAPHICS_H
1.21 +#define SYSTEM_CORE_INCLUDE_ANDROID_GRAPHICS_H
1.22 +
1.23 +#ifdef __cplusplus
1.24 +extern "C" {
1.25 +#endif
1.26 +
1.27 +/*
1.28 + * If the HAL needs to create service threads to handle graphics related
1.29 + * tasks, these threads need to run at HAL_PRIORITY_URGENT_DISPLAY priority
1.30 + * if they can block the main rendering thread in any way.
1.31 + *
1.32 + * the priority of the current thread can be set with:
1.33 + *
1.34 + * #include <sys/resource.h>
1.35 + * setpriority(PRIO_PROCESS, 0, HAL_PRIORITY_URGENT_DISPLAY);
1.36 + *
1.37 + */
1.38 +
1.39 +#define HAL_PRIORITY_URGENT_DISPLAY (-8)
1.40 +
1.41 +/**
1.42 + * pixel format definitions
1.43 + */
1.44 +
1.45 +enum {
1.46 + HAL_PIXEL_FORMAT_RGBA_8888 = 1,
1.47 + HAL_PIXEL_FORMAT_RGBX_8888 = 2,
1.48 + HAL_PIXEL_FORMAT_RGB_888 = 3,
1.49 + HAL_PIXEL_FORMAT_RGB_565 = 4,
1.50 + HAL_PIXEL_FORMAT_BGRA_8888 = 5,
1.51 + HAL_PIXEL_FORMAT_RGBA_5551 = 6,
1.52 + HAL_PIXEL_FORMAT_RGBA_4444 = 7,
1.53 +
1.54 + /* 0x8 - 0xFF range unavailable */
1.55 +
1.56 + /*
1.57 + * 0x100 - 0x1FF
1.58 + *
1.59 + * This range is reserved for pixel formats that are specific to the HAL
1.60 + * implementation. Implementations can use any value in this range to
1.61 + * communicate video pixel formats between their HAL modules. These formats
1.62 + * must not have an alpha channel. Additionally, an EGLimage created from a
1.63 + * gralloc buffer of one of these formats must be supported for use with the
1.64 + * GL_OES_EGL_image_external OpenGL ES extension.
1.65 + */
1.66 +
1.67 + /*
1.68 + * Android YUV format:
1.69 + *
1.70 + * This format is exposed outside of the HAL to software decoders and
1.71 + * applications. EGLImageKHR must support it in conjunction with the
1.72 + * OES_EGL_image_external extension.
1.73 + *
1.74 + * YV12 is a 4:2:0 YCrCb planar format comprised of a WxH Y plane followed
1.75 + * by (W/2) x (H/2) Cr and Cb planes.
1.76 + *
1.77 + * This format assumes
1.78 + * - an even width
1.79 + * - an even height
1.80 + * - a horizontal stride multiple of 16 pixels
1.81 + * - a vertical stride equal to the height
1.82 + *
1.83 + * y_size = stride * height
1.84 + * c_size = ALIGN(stride/2, 16) * height/2
1.85 + * size = y_size + c_size * 2
1.86 + * cr_offset = y_size
1.87 + * cb_offset = y_size + c_size
1.88 + *
1.89 + */
1.90 + HAL_PIXEL_FORMAT_YV12 = 0x32315659, // YCrCb 4:2:0 Planar
1.91 +
1.92 +
1.93 +
1.94 + /* Legacy formats (deprecated), used by ImageFormat.java */
1.95 + HAL_PIXEL_FORMAT_YCbCr_422_SP = 0x10, // NV16
1.96 + HAL_PIXEL_FORMAT_YCrCb_420_SP = 0x11, // NV21
1.97 + HAL_PIXEL_FORMAT_YCbCr_422_I = 0x14, // YUY2
1.98 +};
1.99 +
1.100 +
1.101 +/**
1.102 + * Transformation definitions
1.103 + *
1.104 + * IMPORTANT NOTE:
1.105 + * HAL_TRANSFORM_ROT_90 is applied CLOCKWISE and AFTER HAL_TRANSFORM_FLIP_{H|V}.
1.106 + *
1.107 + */
1.108 +
1.109 +enum {
1.110 + /* flip source image horizontally (around the vertical axis) */
1.111 + HAL_TRANSFORM_FLIP_H = 0x01,
1.112 + /* flip source image vertically (around the horizontal axis)*/
1.113 + HAL_TRANSFORM_FLIP_V = 0x02,
1.114 + /* rotate source image 90 degrees clockwise */
1.115 + HAL_TRANSFORM_ROT_90 = 0x04,
1.116 + /* rotate source image 180 degrees */
1.117 + HAL_TRANSFORM_ROT_180 = 0x03,
1.118 + /* rotate source image 270 degrees clockwise */
1.119 + HAL_TRANSFORM_ROT_270 = 0x07,
1.120 +};
1.121 +
1.122 +#ifdef __cplusplus
1.123 +}
1.124 +#endif
1.125 +
1.126 +#endif /* SYSTEM_CORE_INCLUDE_ANDROID_GRAPHICS_H */
