| 1 | /***************************************************************************** |
| 2 | * Copyright (C) 2013 x265 project |
| 3 | * |
| 4 | * Authors: Steve Borho <steve@borho.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA. |
| 19 | * |
| 20 | * This program is also available under a commercial proprietary license. |
| 21 | * For more information, contact us at license @ x265.com. |
| 22 | *****************************************************************************/ |
| 23 | |
| 24 | #ifndef X265_Y4M_H |
| 25 | #define X265_Y4M_H |
| 26 | |
| 27 | #include "input.h" |
| 28 | #include "threading.h" |
| 29 | #include <fstream> |
| 30 | |
| 31 | #define QUEUE_SIZE 5 |
| 32 | |
| 33 | namespace x265 { |
| 34 | // x265 private namespace |
| 35 | |
| 36 | class Y4MInput : public Input, public Thread |
| 37 | { |
| 38 | protected: |
| 39 | |
| 40 | uint32_t rateNum; |
| 41 | |
| 42 | uint32_t rateDenom; |
| 43 | |
| 44 | uint32_t sarWidth; |
| 45 | |
| 46 | uint32_t sarHeight; |
| 47 | |
| 48 | size_t framesize; |
| 49 | |
| 50 | int depth; |
| 51 | |
| 52 | int width; |
| 53 | |
| 54 | int height; |
| 55 | |
| 56 | int colorSpace; |
| 57 | |
| 58 | bool threadActive; |
| 59 | |
| 60 | ThreadSafeInteger readCount; |
| 61 | |
| 62 | ThreadSafeInteger writeCount; |
| 63 | |
| 64 | char* buf[QUEUE_SIZE]; |
| 65 | |
| 66 | std::istream *ifs; |
| 67 | |
| 68 | bool parseHeader(); |
| 69 | |
| 70 | void threadMain(); |
| 71 | |
| 72 | bool populateFrameQueue(); |
| 73 | |
| 74 | public: |
| 75 | |
| 76 | Y4MInput(InputFileInfo& info); |
| 77 | |
| 78 | virtual ~Y4MInput(); |
| 79 | |
| 80 | void release(); |
| 81 | |
| 82 | bool isEof() const { return ifs && ifs->eof(); } |
| 83 | |
| 84 | bool isFail() { return !(ifs && !ifs->fail() && threadActive); } |
| 85 | |
| 86 | void startReader(); |
| 87 | |
| 88 | bool readPicture(x265_picture&); |
| 89 | |
| 90 | const char *getName() const { return "y4m"; } |
| 91 | }; |
| 92 | } |
| 93 | |
| 94 | #endif // ifndef X265_Y4M_H |