/**
* @file
- * DSP functions (inverse transforms, motion compensations, wavelet recompostion)
+ * DSP functions (inverse transforms, motion compensations, wavelet recomposition)
* for Indeo Video Interactive codecs.
*/
#ifndef AVCODEC_IVI_DSP_H
#define AVCODEC_IVI_DSP_H
-#include "avcodec.h"
-#include "ivi_common.h"
+#include <stdint.h>
+
+#include "ivi.h"
/**
* 5/3 wavelet recomposition filter for Indeo5
void ff_ivi_inverse_haar_8x8(const int32_t *in, int16_t *out, uint32_t pitch,
const uint8_t *flags);
+/**
+ * one-dimensional inverse 8-point Haar transform on rows for Indeo 4
+ *
+ * @param[in] in pointer to the vector of transform coefficients
+ * @param[out] out pointer to the output buffer (frame)
+ * @param[in] pitch pitch to move to the next y line
+ * @param[in] flags pointer to the array of column flags:
+ * != 0 - non_empty column, 0 - empty one
+ * (this array must be filled by caller)
+ */
+void ff_ivi_row_haar8(const int32_t *in, int16_t *out, uint32_t pitch,
+ const uint8_t *flags);
+
+/**
+ * one-dimensional inverse 8-point Haar transform on columns for Indeo 4
+ *
+ * @param[in] in pointer to the vector of transform coefficients
+ * @param[out] out pointer to the output buffer (frame)
+ * @param[in] pitch pitch to move to the next y line
+ * @param[in] flags pointer to the array of column flags:
+ * != 0 - non_empty column, 0 - empty one
+ * (this array must be filled by caller)
+ */
+void ff_ivi_col_haar8(const int32_t *in, int16_t *out, uint32_t pitch,
+ const uint8_t *flags);
+
+/**
+ * two-dimensional inverse Haar 4x4 transform for Indeo 4
+ *
+ * @param[in] in pointer to the vector of transform coefficients
+ * @param[out] out pointer to the output buffer (frame)
+ * @param[in] pitch pitch to move to the next y line
+ * @param[in] flags pointer to the array of column flags:
+ * != 0 - non_empty column, 0 - empty one
+ * (this array must be filled by caller)
+ */
+void ff_ivi_inverse_haar_4x4(const int32_t *in, int16_t *out, uint32_t pitch,
+ const uint8_t *flags);
+
+/**
+ * one-dimensional inverse 4-point Haar transform on rows for Indeo 4
+ *
+ * @param[in] in pointer to the vector of transform coefficients
+ * @param[out] out pointer to the output buffer (frame)
+ * @param[in] pitch pitch to move to the next y line
+ * @param[in] flags pointer to the array of column flags:
+ * != 0 - non_empty column, 0 - empty one
+ * (this array must be filled by caller)
+ */
+void ff_ivi_row_haar4(const int32_t *in, int16_t *out, uint32_t pitch,
+ const uint8_t *flags);
+
+/**
+ * one-dimensional inverse 4-point Haar transform on columns for Indeo 4
+ *
+ * @param[in] in pointer to the vector of transform coefficients
+ * @param[out] out pointer to the output buffer (frame)
+ * @param[in] pitch pitch to move to the next y line
+ * @param[in] flags pointer to the array of column flags:
+ * != 0 - non_empty column, 0 - empty one
+ * (this array must be filled by caller)
+ */
+void ff_ivi_col_haar4(const int32_t *in, int16_t *out, uint32_t pitch,
+ const uint8_t *flags);
+
/**
* DC-only two-dimensional inverse Haar transform for Indeo 4.
* Performing the inverse transform in this case is equivalent to
void ff_ivi_col_slant8(const int32_t *in, int16_t *out, uint32_t pitch,
const uint8_t *flags);
+/**
+ * inverse 1D row slant transform
+ *
+ * @param[in] in pointer to the vector of transform coefficients
+ * @param[out] out pointer to the output buffer (frame)
+ * @param[in] pitch pitch to move to the next y line
+ * @param[in] flags pointer to the array of column flags (unused here)
+ */
+void ff_ivi_row_slant4(const int32_t *in, int16_t *out, uint32_t pitch,
+ const uint8_t *flags);
+
+/**
+ * inverse 1D column slant transform
+ *
+ * @param[in] in pointer to the vector of transform coefficients
+ * @param[out] out pointer to the output buffer (frame)
+ * @param[in] pitch pitch to move to the next y line
+ * @param[in] flags pointer to the array of column flags:
+ * != 0 - non_empty column, 0 - empty one
+ * (this array must be filled by caller)
+ */
+void ff_ivi_col_slant4(const int32_t *in, int16_t *out, uint32_t pitch,
+ const uint8_t *flags);
+
/**
* DC-only inverse row slant transform
*/
*/
void ff_ivi_mc_4x4_no_delta(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type);
+/**
+ * 8x8 block motion compensation with adding delta
+ *
+ * @param[in,out] buf pointer to the block in the current frame buffer containing delta
+ * @param[in] ref_buf pointer to the corresponding block in the backward reference frame
+ * @param[in] ref_buf2 pointer to the corresponding block in the forward reference frame
+ * @param[in] pitch pitch for moving to the next y line
+ * @param[in] mc_type interpolation type for backward reference
+ * @param[in] mc_type2 interpolation type for forward reference
+ */
+void ff_ivi_mc_avg_8x8_delta(int16_t *buf, const int16_t *ref_buf, const int16_t *ref_buf2, uint32_t pitch, int mc_type, int mc_type2);
+
+/**
+ * 4x4 block motion compensation with adding delta
+ *
+ * @param[in,out] buf pointer to the block in the current frame buffer containing delta
+ * @param[in] ref_buf pointer to the corresponding block in the backward reference frame
+ * @param[in] ref_buf2 pointer to the corresponding block in the forward reference frame
+ * @param[in] pitch pitch for moving to the next y line
+ * @param[in] mc_type interpolation type for backward reference
+ * @param[in] mc_type2 interpolation type for forward reference
+ */
+void ff_ivi_mc_avg_4x4_delta(int16_t *buf, const int16_t *ref_buf, const int16_t *ref_buf2, uint32_t pitch, int mc_type, int mc_type2);
+
+/**
+ * motion compensation without adding delta for B-frames
+ *
+ * @param[in,out] buf pointer to the block in the current frame receiving the result
+ * @param[in] ref_buf pointer to the corresponding block in the backward reference frame
+ * @param[in] ref_buf2 pointer to the corresponding block in the forward reference frame
+ * @param[in] pitch pitch for moving to the next y line
+ * @param[in] mc_type interpolation type for backward reference
+ * @param[in] mc_type2 interpolation type for forward reference
+ */
+void ff_ivi_mc_avg_8x8_no_delta(int16_t *buf, const int16_t *ref_buf, const int16_t *ref_buf2, uint32_t pitch, int mc_type, int mc_type2);
+
+/**
+ * 4x4 block motion compensation without adding delta for B-frames
+ *
+ * @param[in,out] buf pointer to the block in the current frame receiving the result
+ * @param[in] ref_buf pointer to the corresponding block in the backward reference frame
+ * @param[in] ref_buf2 pointer to the corresponding block in the forward reference frame
+ * @param[in] pitch pitch for moving to the next y line
+ * @param[in] mc_type interpolation type for backward reference
+ * @param[in] mc_type2 interpolation type for forward reference
+ */
+void ff_ivi_mc_avg_4x4_no_delta(int16_t *buf, const int16_t *ref_buf, const int16_t *ref_buf2, uint32_t pitch, int mc_type, int mc_type2);
+
#endif /* AVCODEC_IVI_DSP_H */
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