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123 lines
3.9 KiB
C
123 lines
3.9 KiB
C
/*
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* HVQM2File.h: HVQM2(YUV 4:2:2/4:1:1) file format header file.
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*
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* Copyright (C) 1998,1999 NINTENDO Co., Ltd.
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*
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*/
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/* revision 1.1 1999-02-12 */
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#ifndef __HVQM2FILE_H__
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#define __HVQM2FILE_H__
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#include <HVQmd.h>
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/*
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* HVQM2Header : HVQM2 file header
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*/
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typedef struct {
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CARD8 file_version[16]; /* File version "HVQM2 1.0" */
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CARD32 file_size; /* File size [byte] */
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CARD16 width; /* Number of pixels in horizontal direction of image */
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CARD16 height; /* Number of pixels in vertical direction of image */
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CARD8 h_sampling_rate; /* Video UV component's sampling step in horizontal direction */
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CARD8 v_sampling_rate; /* Video UV component's sampling step in vertical direction */
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CARD8 y_shiftnum; /* Image base read start y-coordinate LSB */
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CARD8 video_quantize_shift; /* Video quantized step */
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CARD32 total_frames; /* Total number of video records */
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CARD32 usec_per_frame; /* Video frame interval [usec.] */
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CARD32 max_frame_size; /* Maximum size of video record [bytes]
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(Excluding record header) */
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CARD32 max_sp_packets; /* Maximum number of packets needed for SP FIFO */
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CARD8 audio_format; /* Audio data format */
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CARD8 channels; /* Number of audio channels */
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CARD8 sample_bits; /* Number of bits in 1 sample (channel) [bit] */
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CARD8 audio_quantize_step; /* Audio quantized step */
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CARD32 total_audio_records; /* Total number of audio records */
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CARD32 samples_per_sec; /* Number of audio samples per second */
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CARD32 max_audio_record_size; /* Maximum size of audio record [byte]
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(Excluding record header) */
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} HVQM2Header;
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/*
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* Audio data format (HVQM2Header.audio_format)
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*/
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#define HVQM2_AUDIO_PCM 0 /* PCM format */
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#define HVQM2_AUDIO_IMA_ADPCM 1 /* IMA ADPCM format */
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/*
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* HVQM2Record : Record header (Located directly after HVQM2Header)
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*/
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typedef struct {
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CARD16 type; /* Record type */
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CARD16 format; /* Data format */
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CARD32 size; /* Record size (excluding the header) [byte] */
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} HVQM2Record;
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/*
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* Record type (HVQM2Record.type)
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*/
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#define HVQM2_AUDIO 0 /* Audio record */
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#define HVQM2_VIDEO 1 /* Video record */
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/*
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* Audio record's (HVQM2Record.type == HVQM2_AUDIO)
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* data type (HVQM2Record.format)
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*/
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#define HVQM2_AUDIO_KEYFRAME 0 /* Key frame */
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#define HVQM2_AUDIO_PREDICT 1 /* Predict frame */
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/*
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* Video record's (HVQM2Record.type == HVQM2_VIDEO)
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* data format (HVQM2Record.format)
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*/
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#define HVQM2_VIDEO_KEYFRAME 0 /* Key frame */
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#define HVQM2_VIDEO_PREDICT 1 /* Predict frame */
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#define HVQM2_VIDEO_HOLD 2 /* Hold frame */
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/*
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* HVQM2Audio : Audio header (Follows record header)
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*/
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typedef struct {
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CARD32 samples; /* Number of samples (/channels) */
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} HVQM2Audio;
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/*
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* HVQM2Frame : Video header (Follows record header)
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*/
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typedef struct {
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CARD32 basisnum_offset[2]; /* Basis number block (0: brightness, 1: color difference) */
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CARD32 basnumrn_offset[2]; /* Basis number cold run (0: brightness, 1: color difference) */
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CARD32 scale_offset[3]; /* Basis coefficient (0:Y, 1:U, 2:V) */
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CARD32 fixvl_offset[3]; /* Fixed length code (0:Y, 1:U, 2:V) */
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CARD32 dcval_offset[3]; /* Block DC (0:Y, 1:U, 2:V) */
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} HVQM2Frame;
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/*
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* HVQM2KeyFrame : Key frame header (Follows the video header)
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*/
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typedef struct {
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CARD32 dcrun_offset[3]; /* DC value cold run (0:Y, 1:U, 2:V) */
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CARD16 nest_start_x; /* Base start position (x coordinate) */
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CARD16 nest_start_y; /* Base start position (y coordinate) */
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} HVQM2KeyFrame;
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/*
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* HVQM2PredictFrame : Predict frame header (Follows video header)
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*/
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typedef struct {
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CARD32 movevector_offset; /* Movement vector */
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CARD32 macroblock_offset; /* Macro block state flag */
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} HVQM2PredictFrame;
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/* Nest size */
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#define HVQM2_NESTSIZE_L 70 /* Number of elements on long side */
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#define HVQM2_NESTSIZE_S 38 /* Number of elements on shot side */
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#define HVQM2_NESTSIZE (HVQM2_NESTSIZE_L * HVQM2_NESTSIZE_S)
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#endif /* __HVQM2FILE_H__ */
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