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Diffstat (limited to 'converter/ppm/ppmtompeg/headers/frame.h')
| -rw-r--r-- | converter/ppm/ppmtompeg/headers/frame.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/converter/ppm/ppmtompeg/headers/frame.h b/converter/ppm/ppmtompeg/headers/frame.h new file mode 100644 index 00000000..1003ee15 --- /dev/null +++ b/converter/ppm/ppmtompeg/headers/frame.h @@ -0,0 +1,147 @@ +/*===========================================================================* + * frame.h * + * * + * basic frames procedures * + * * + *===========================================================================*/ + +/* + * Copyright (c) 1995 The Regents of the University of California. + * All rights reserved. + * + * Permission to use, copy, modify, and distribute this software and its + * documentation for any purpose, without fee, and without written agreement is + * hereby granted, provided that the above copyright notice and the following + * two paragraphs appear in all copies of this software. + * + * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT + * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF + * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + */ + + +#ifndef FRAME_INCLUDED +#define FRAME_INCLUDED + +/*==============* + * HEADER FILES * + *==============*/ + +#include "general.h" +#include "ansi.h" +#include "mtypes.h" + +/*===========* + * CONSTANTS * + *===========*/ +#define TYPE_IFRAME 2 +#define TYPE_PFRAME 3 +#define TYPE_BFRAME 4 + + +/*=======================* + * STRUCTURE DEFINITIONS * + *=======================*/ + +typedef struct mpegFrame { + int type; + char inputFileName[256]; + int id; /* the frame number -- starts at 0 */ + boolean inUse; /* TRUE iff this frame is currently being used */ + /* FALSE means any data here can be thrashed */ + + /* + * now, the YCrCb data. All pixel information is stored in unsigned + * 8-bit pieces. We separate y, cr, and cb because cr and cb are + * subsampled by a factor of 2. + * + * if orig_y is NULL, then orig_cr, orig_cb are undefined + */ + uint8 **orig_y, **orig_cr, **orig_cb; + + /* now, the decoded data -- relevant only if + * referenceFrame == DECODED_FRAME + * + * if decoded_y is NULL, then decoded_cr, decoded_cb are undefined + */ + uint8 **decoded_y, **decoded_cr, **decoded_cb; + + /* reference data */ + uint8 **ref_y, **ref_cr, **ref_cb; + + /* + * these are the Blocks which will ultimately compose MacroBlocks. + * A Block is in a format that mp_fwddct() can crunch. + * if y_blocks is NULL, then cr_blocks, cb_blocks are undefined + */ + Block **y_blocks, **cr_blocks, **cb_blocks; + + /* + * this is the half-pixel luminance data (for reference frames) + */ + uint8 **halfX, **halfY, **halfBoth; + + boolean halfComputed; /* TRUE iff half-pixels already computed */ + + struct mpegFrame *next; /* points to the next B-frame to be encoded, if + * stdin is used as the input. + */ +} MpegFrame; + + +void +Frame_Init(unsigned int const numOfFramesRequested); + +void +Frame_Exit(void); + +void +Frame_Free(MpegFrame * const frameP); + +MpegFrame * +Frame_New(int const id, + int const type); + +void +Frame_AllocBlocks(MpegFrame * const frameP); + +void +Frame_AllocYCC(MpegFrame * const frameP); + +void +Frame_AllocHalf(MpegFrame * const frameP); + +void +Frame_AllocDecoded(MpegFrame * const frameP, + boolean const makeReference); + +void +Frame_Resize(MpegFrame * const omf, + MpegFrame * const mf, + int const insize_x, + int const insize_y, + int const outsize_x, + int const outsize_y); + + +extern void Frame_Free _ANSI_ARGS_((MpegFrame *frame)); +extern void Frame_Exit _ANSI_ARGS_((void)); +extern void Frame_AllocPPM _ANSI_ARGS_((MpegFrame * frame)); +extern void Frame_AllocYCC _ANSI_ARGS_((MpegFrame * mf)); +extern void Frame_AllocDecoded _ANSI_ARGS_((MpegFrame *frame, + boolean makeReference)); +extern void Frame_AllocHalf _ANSI_ARGS_((MpegFrame *frame)); +extern void Frame_AllocBlocks _ANSI_ARGS_((MpegFrame *mf)); +extern void Frame_Resize _ANSI_ARGS_((MpegFrame *omf, MpegFrame *mf, + int insize_x, int insize_y, + int outsize_x, int outsize_y)); + + +#endif /* FRAME_INCLUDED */ |