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comparison: media/omx-plugin/include/ics/system/graphics.h
media/omx-plugin/include/ics/system/graphics.h
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- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:9dbe00f9814b |
|---|---|
| 1 /* | |
| 2 * Copyright (C) 2011 The Android Open Source Project | |
| 3 * | |
| 4 * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 * you may not use this file except in compliance with the License. | |
| 6 * You may obtain a copy of the License at | |
| 7 * | |
| 8 * http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 * | |
| 10 * Unless required by applicable law or agreed to in writing, software | |
| 11 * distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 * See the License for the specific language governing permissions and | |
| 14 * limitations under the License. | |
| 15 */ | |
| 16 | |
| 17 #ifndef SYSTEM_CORE_INCLUDE_ANDROID_GRAPHICS_H | |
| 18 #define SYSTEM_CORE_INCLUDE_ANDROID_GRAPHICS_H | |
| 19 | |
| 20 #ifdef __cplusplus | |
| 21 extern "C" { | |
| 22 #endif | |
| 23 | |
| 24 /* | |
| 25 * If the HAL needs to create service threads to handle graphics related | |
| 26 * tasks, these threads need to run at HAL_PRIORITY_URGENT_DISPLAY priority | |
| 27 * if they can block the main rendering thread in any way. | |
| 28 * | |
| 29 * the priority of the current thread can be set with: | |
| 30 * | |
| 31 * #include <sys/resource.h> | |
| 32 * setpriority(PRIO_PROCESS, 0, HAL_PRIORITY_URGENT_DISPLAY); | |
| 33 * | |
| 34 */ | |
| 35 | |
| 36 #define HAL_PRIORITY_URGENT_DISPLAY (-8) | |
| 37 | |
| 38 /** | |
| 39 * pixel format definitions | |
| 40 */ | |
| 41 | |
| 42 enum { | |
| 43 HAL_PIXEL_FORMAT_RGBA_8888 = 1, | |
| 44 HAL_PIXEL_FORMAT_RGBX_8888 = 2, | |
| 45 HAL_PIXEL_FORMAT_RGB_888 = 3, | |
| 46 HAL_PIXEL_FORMAT_RGB_565 = 4, | |
| 47 HAL_PIXEL_FORMAT_BGRA_8888 = 5, | |
| 48 HAL_PIXEL_FORMAT_RGBA_5551 = 6, | |
| 49 HAL_PIXEL_FORMAT_RGBA_4444 = 7, | |
| 50 | |
| 51 /* 0x8 - 0xFF range unavailable */ | |
| 52 | |
| 53 /* | |
| 54 * 0x100 - 0x1FF | |
| 55 * | |
| 56 * This range is reserved for pixel formats that are specific to the HAL | |
| 57 * implementation. Implementations can use any value in this range to | |
| 58 * communicate video pixel formats between their HAL modules. These formats | |
| 59 * must not have an alpha channel. Additionally, an EGLimage created from a | |
| 60 * gralloc buffer of one of these formats must be supported for use with the | |
| 61 * GL_OES_EGL_image_external OpenGL ES extension. | |
| 62 */ | |
| 63 | |
| 64 /* | |
| 65 * Android YUV format: | |
| 66 * | |
| 67 * This format is exposed outside of the HAL to software decoders and | |
| 68 * applications. EGLImageKHR must support it in conjunction with the | |
| 69 * OES_EGL_image_external extension. | |
| 70 * | |
| 71 * YV12 is a 4:2:0 YCrCb planar format comprised of a WxH Y plane followed | |
| 72 * by (W/2) x (H/2) Cr and Cb planes. | |
| 73 * | |
| 74 * This format assumes | |
| 75 * - an even width | |
| 76 * - an even height | |
| 77 * - a horizontal stride multiple of 16 pixels | |
| 78 * - a vertical stride equal to the height | |
| 79 * | |
| 80 * y_size = stride * height | |
| 81 * c_size = ALIGN(stride/2, 16) * height/2 | |
| 82 * size = y_size + c_size * 2 | |
| 83 * cr_offset = y_size | |
| 84 * cb_offset = y_size + c_size | |
| 85 * | |
| 86 */ | |
| 87 HAL_PIXEL_FORMAT_YV12 = 0x32315659, // YCrCb 4:2:0 Planar | |
| 88 | |
| 89 | |
| 90 | |
| 91 /* Legacy formats (deprecated), used by ImageFormat.java */ | |
| 92 HAL_PIXEL_FORMAT_YCbCr_422_SP = 0x10, // NV16 | |
| 93 HAL_PIXEL_FORMAT_YCrCb_420_SP = 0x11, // NV21 | |
| 94 HAL_PIXEL_FORMAT_YCbCr_422_I = 0x14, // YUY2 | |
| 95 }; | |
| 96 | |
| 97 | |
| 98 /** | |
| 99 * Transformation definitions | |
| 100 * | |
| 101 * IMPORTANT NOTE: | |
| 102 * HAL_TRANSFORM_ROT_90 is applied CLOCKWISE and AFTER HAL_TRANSFORM_FLIP_{H|V}. | |
| 103 * | |
| 104 */ | |
| 105 | |
| 106 enum { | |
| 107 /* flip source image horizontally (around the vertical axis) */ | |
| 108 HAL_TRANSFORM_FLIP_H = 0x01, | |
| 109 /* flip source image vertically (around the horizontal axis)*/ | |
| 110 HAL_TRANSFORM_FLIP_V = 0x02, | |
| 111 /* rotate source image 90 degrees clockwise */ | |
| 112 HAL_TRANSFORM_ROT_90 = 0x04, | |
| 113 /* rotate source image 180 degrees */ | |
| 114 HAL_TRANSFORM_ROT_180 = 0x03, | |
| 115 /* rotate source image 270 degrees clockwise */ | |
| 116 HAL_TRANSFORM_ROT_270 = 0x07, | |
| 117 }; | |
| 118 | |
| 119 #ifdef __cplusplus | |
| 120 } | |
| 121 #endif | |
| 122 | |
| 123 #endif /* SYSTEM_CORE_INCLUDE_ANDROID_GRAPHICS_H */ |
