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Diffstat (limited to 'image/codecs/mpeg.h')
-rw-r--r-- | image/codecs/mpeg.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/image/codecs/mpeg.h b/image/codecs/mpeg.h new file mode 100644 index 0000000000..6cb10f21ac --- /dev/null +++ b/image/codecs/mpeg.h @@ -0,0 +1,101 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#ifdef USE_MPEG2 + +#ifndef IMAGE_CODECS_MPEG_H +#define IMAGE_CODECS_MPEG_H + +#include "image/codecs/codec.h" +#include "graphics/pixelformat.h" + +#if defined(__PLAYSTATION2__) + typedef uint8 uint8_t; + typedef uint16 uint16_t; + typedef uint32 uint32_t; +#elif defined(_WIN32_WCE) + typedef signed char int8_t; + typedef signed short int16_t; + typedef unsigned char uint8_t; + typedef unsigned short uint16_t; +#elif defined(_MSC_VER) || defined (__SYMBIAN32__) + typedef signed char int8_t; + typedef signed short int16_t; + typedef unsigned char uint8_t; + typedef unsigned short uint16_t; + #if !defined(SDL_COMPILEDVERSION) || (SDL_COMPILEDVERSION < 1210) + typedef signed long int32_t; + typedef unsigned long uint32_t; + #endif +#else +# include <inttypes.h> +#endif + +extern "C" { + #include <mpeg2dec/mpeg2.h> +} + +namespace Common { +class SeekableReadStream; +} + +namespace Graphics { +struct Surface; +} + +namespace Image { + +/** + * MPEG 1/2 video decoder. + * + * Used by BMP/AVI. + */ +class MPEGDecoder : public Codec { +public: + MPEGDecoder(); + ~MPEGDecoder(); + + // Codec interface + const Graphics::Surface *decodeFrame(Common::SeekableReadStream &stream); + Graphics::PixelFormat getPixelFormat() const { return _pixelFormat; } + + // MPEGPSDecoder call + bool decodePacket(Common::SeekableReadStream &packet, uint32 &framePeriod, Graphics::Surface *dst = 0); + +private: + Graphics::PixelFormat _pixelFormat; + Graphics::Surface *_surface; + + enum { + BUFFER_SIZE = 4096 + }; + + byte _buffer[BUFFER_SIZE]; + mpeg2dec_t *_mpegDecoder; + const mpeg2_info_t *_mpegInfo; +}; + +} // End of namespace Image + +#endif // IMAGE_CODECS_MPEG_H + +#endif // USE_MPEG2 |