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40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
#ifndef TRANSFORM_H_
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#define TRANSFORM_H_
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/**
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* \file
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* \brief Transformations, such as quantization and DST.
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*
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* \author Marko Viitanen ( fador@iki.fi ),
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* Tampere University of Technology,
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* Department of Pervasive Computing.
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* \author Ari Koivula ( ari@koivu.la ),
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* Tampere University of Technology,
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* Department of Pervasive Computing.
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*/
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#include "global.h"
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#include "encoder.h"
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extern int32_t* g_quant_coeff[4][6][6];
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extern const int32_t g_quant_intra_default_8x8[64];
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extern const uint8_t g_chroma_scale[58];
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void quant(encoder_control *encoder, int16_t *coef, int16_t *q_coef, int32_t width,
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int32_t height, uint32_t *ac_sum, int8_t type, int8_t scan_idx );
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void dequant(encoder_control *encoder, int16_t *q_coef, int16_t *coef, int32_t width, int32_t height,int8_t type);
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void transform2d(int16_t *block,int16_t *coeff, int8_t block_size, int32_t mode);
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void itransform2d(int16_t *block,int16_t *coeff, int8_t block_size, int32_t mode);
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void scalinglist_init();
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void scalinglist_process_enc( int32_t *coeff, int32_t *quant_coeff, int32_t quant_scales,
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uint32_t height,uint32_t width, uint32_t ratio, int32_t size_num, uint32_t dc, uint8_t flat);
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void scalinglist_process();
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void scalinglist_set(int32_t *coeff, uint32_t list_id, uint32_t size_id, uint32_t qp);
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void scalinglist_destroy();
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#endif
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