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 TEXT_DESCRIPTIONS_H_ 18 19 #define TEXT_DESCRIPTIONS_H_ 20 21 #include <binder/Parcel.h> 22 #include <media/stagefright/foundation/ABase.h> 23 24 namespace android { 25 26 class TextDescriptions { 27 public: 28 enum { 29 IN_BAND_TEXT_3GPP = 0x01, 30 OUT_OF_BAND_TEXT_SRT = 0x02, 31 32 GLOBAL_DESCRIPTIONS = 0x100, 33 LOCAL_DESCRIPTIONS = 0x200, 34 }; 35 36 static status_t getParcelOfDescriptions( 37 const uint8_t *data, ssize_t size, 38 uint32_t flags, int timeMs, Parcel *parcel); 39 private: 40 TextDescriptions(); 41 42 enum { 43 // These keys must be in sync with the keys in TimedText.java 44 KEY_DISPLAY_FLAGS = 1, // int 45 KEY_STYLE_FLAGS = 2, // int 46 KEY_BACKGROUND_COLOR_RGBA = 3, // int 47 KEY_HIGHLIGHT_COLOR_RGBA = 4, // int 48 KEY_SCROLL_DELAY = 5, // int 49 KEY_WRAP_TEXT = 6, // int 50 KEY_START_TIME = 7, // int 51 KEY_STRUCT_BLINKING_TEXT_LIST = 8, // List<CharPos> 52 KEY_STRUCT_FONT_LIST = 9, // List<Font> 53 KEY_STRUCT_HIGHLIGHT_LIST = 10, // List<CharPos> 54 KEY_STRUCT_HYPER_TEXT_LIST = 11, // List<HyperText> 55 KEY_STRUCT_KARAOKE_LIST = 12, // List<Karaoke> 56 KEY_STRUCT_STYLE_LIST = 13, // List<Style> 57 KEY_STRUCT_TEXT_POS = 14, // TextPos 58 KEY_STRUCT_JUSTIFICATION = 15, // Justification 59 KEY_STRUCT_TEXT = 16, // Text 60 61 KEY_GLOBAL_SETTING = 101, 62 KEY_LOCAL_SETTING = 102, 63 KEY_START_CHAR = 103, 64 KEY_END_CHAR = 104, 65 KEY_FONT_ID = 105, 66 KEY_FONT_SIZE = 106, 67 KEY_TEXT_COLOR_RGBA = 107, 68 }; 69 70 static status_t extractSRTLocalDescriptions( 71 const uint8_t *data, ssize_t size, 72 int timeMs, Parcel *parcel); 73 static status_t extract3GPPGlobalDescriptions( 74 const uint8_t *data, ssize_t size, 75 Parcel *parcel); 76 static status_t extract3GPPLocalDescriptions( 77 const uint8_t *data, ssize_t size, 78 int timeMs, Parcel *parcel); 79 80 DISALLOW_EVIL_CONSTRUCTORS(TextDescriptions); 81 }; 82 83 } // namespace android 84 #endif // TEXT_DESCRIPTIONS_H_ 85