The Tor Browser / file comparison
comparison: content/media/raw/RawStructs.h
content/media/raw/RawStructs.h
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
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| -1:000000000000 | 0:3bc126721015 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #if !defined(RawStructs_h_) | |
| 6 #define RawStructs_h_ | |
| 7 | |
| 8 static const uint32_t RAW_ID = 0x595556; | |
| 9 | |
| 10 struct nsRawVideo_PRUint24 { | |
| 11 operator uint32_t() const { return value[2] << 16 | value[1] << 8 | value[0]; } | |
| 12 nsRawVideo_PRUint24& operator= (const uint32_t& rhs) | |
| 13 { value[2] = (rhs & 0x00FF0000) >> 16; | |
| 14 value[1] = (rhs & 0x0000FF00) >> 8; | |
| 15 value[0] = (rhs & 0x000000FF); | |
| 16 return *this; } | |
| 17 private: | |
| 18 uint8_t value[3]; | |
| 19 }; | |
| 20 | |
| 21 struct RawPacketHeader { | |
| 22 typedef nsRawVideo_PRUint24 PRUint24; | |
| 23 uint8_t packetID; | |
| 24 PRUint24 codecID; | |
| 25 }; | |
| 26 | |
| 27 // This is Arc's draft from wiki.xiph.org/OggYUV | |
| 28 struct RawVideoHeader { | |
| 29 typedef nsRawVideo_PRUint24 PRUint24; | |
| 30 uint8_t headerPacketID; // Header Packet ID (always 0) | |
| 31 PRUint24 codecID; // Codec identifier (always "YUV") | |
| 32 uint8_t majorVersion; // Version Major (breaks backwards compat) | |
| 33 uint8_t minorVersion; // Version Minor (preserves backwards compat) | |
| 34 uint16_t options; // Bit 1: Color (false = B/W) | |
| 35 // Bits 2-4: Chroma Pixel Shape | |
| 36 // Bit 5: 50% horizontal offset for Cr samples | |
| 37 // Bit 6: 50% vertical ... | |
| 38 // Bits 7-8: Chroma Blending | |
| 39 // Bit 9: Packed (false = Planar) | |
| 40 // Bit 10: Cr Staggered Horizontally | |
| 41 // Bit 11: Cr Staggered Vertically | |
| 42 // Bit 12: Unused (format is always little endian) | |
| 43 // Bit 13: Interlaced (false = Progressive) | |
| 44 // Bits 14-16: Interlace options (undefined) | |
| 45 | |
| 46 uint8_t alphaChannelBpp; | |
| 47 uint8_t lumaChannelBpp; | |
| 48 uint8_t chromaChannelBpp; | |
| 49 uint8_t colorspace; | |
| 50 | |
| 51 PRUint24 frameWidth; | |
| 52 PRUint24 frameHeight; | |
| 53 PRUint24 aspectNumerator; | |
| 54 PRUint24 aspectDenominator; | |
| 55 | |
| 56 uint32_t framerateNumerator; | |
| 57 uint32_t framerateDenominator; | |
| 58 }; | |
| 59 | |
| 60 #endif // RawStructs_h_ |
