#include "avcodec.h"
#include "ivi_common.h"
Go to the source code of this file.
Functions | |
void | ff_ivi_recompose53 (const IVIPlaneDesc *plane, uint8_t *dst, const int dst_pitch, const int num_bands) |
5/3 wavelet recomposition filter for Indeo5 | |
void | ff_ivi_recompose_haar (const IVIPlaneDesc *plane, uint8_t *dst, const int dst_pitch, const int num_bands) |
Haar wavelet recomposition filter for Indeo 4. | |
void | ff_ivi_inverse_haar_8x8 (const int32_t *in, int16_t *out, uint32_t pitch, const uint8_t *flags) |
two-dimensional inverse Haar 8x8 transform for Indeo 4 | |
void | ff_ivi_dc_haar_2d (const int32_t *in, int16_t *out, uint32_t pitch, int blk_size) |
DC-only two-dimensional inverse Haar transform for Indeo 4. | |
void | ff_ivi_inverse_slant_8x8 (const int32_t *in, int16_t *out, uint32_t pitch, const uint8_t *flags) |
two-dimensional inverse slant 8x8 transform | |
void | ff_ivi_inverse_slant_4x4 (const int32_t *in, int16_t *out, uint32_t pitch, const uint8_t *flags) |
two-dimensional inverse slant 4x4 transform | |
void | ff_ivi_dc_slant_2d (const int32_t *in, int16_t *out, uint32_t pitch, int blk_size) |
DC-only two-dimensional inverse slant transform. | |
void | ff_ivi_row_slant8 (const int32_t *in, int16_t *out, uint32_t pitch, const uint8_t *flags) |
inverse 1D row slant transform | |
void | ff_ivi_col_slant8 (const int32_t *in, int16_t *out, uint32_t pitch, const uint8_t *flags) |
inverse 1D column slant transform | |
void | ff_ivi_dc_row_slant (const int32_t *in, int16_t *out, uint32_t pitch, int blk_size) |
DC-only inverse row slant transform. | |
void | ff_ivi_dc_col_slant (const int32_t *in, int16_t *out, uint32_t pitch, int blk_size) |
DC-only inverse column slant transform. | |
void | ff_ivi_put_pixels_8x8 (const int32_t *in, int16_t *out, uint32_t pitch, const uint8_t *flags) |
Copy the pixels into the frame buffer. | |
void | ff_ivi_put_dc_pixel_8x8 (const int32_t *in, int16_t *out, uint32_t pitch, int blk_size) |
Copy the DC coefficient into the first pixel of the block and zero all others. | |
void | ff_ivi_mc_8x8_delta (int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type) |
8x8 block motion compensation with adding delta | |
void | ff_ivi_mc_4x4_delta (int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type) |
4x4 block motion compensation with adding delta | |
void | ff_ivi_mc_8x8_no_delta (int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type) |
motion compensation without adding delta | |
void | ff_ivi_mc_4x4_no_delta (int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type) |
4x4 block motion compensation without adding delta |
Definition in file ivi_dsp.h.
void ff_ivi_col_slant8 | ( | const int32_t * | in, | |
int16_t * | out, | |||
uint32_t | pitch, | |||
const uint8_t * | flags | |||
) |
inverse 1D column slant transform
[in] | in | pointer to the vector of transform coefficients |
[out] | out | pointer to the output buffer (frame) |
[in] | pitch | pitch to move to the next y line |
[in] | flags | pointer to the array of column flags: != 0 - non_empty column, 0 - empty one (this array must be filled by caller) |
Definition at line 509 of file ivi_dsp.c.
Referenced by decode_gop_header().
void ff_ivi_dc_col_slant | ( | const int32_t * | in, | |
int16_t * | out, | |||
uint32_t | pitch, | |||
int | blk_size | |||
) |
DC-only inverse column slant transform.
Definition at line 536 of file ivi_dsp.c.
Referenced by decode_gop_header().
void ff_ivi_dc_haar_2d | ( | const int32_t * | in, | |
int16_t * | out, | |||
uint32_t | pitch, | |||
int | blk_size | |||
) |
DC-only two-dimensional inverse Haar transform for Indeo 4.
Performing the inverse transform in this case is equivalent to spreading DC_coeff >> 3 over the whole block.
[in] | in | pointer to the dc coefficient |
[out] | out | pointer to the output buffer (frame) |
[in] | pitch | pitch to move to the next y line |
[in] | blk_size | transform block size |
void ff_ivi_dc_row_slant | ( | const int32_t * | in, | |
int16_t * | out, | |||
uint32_t | pitch, | |||
int | blk_size | |||
) |
DC-only inverse row slant transform.
Definition at line 491 of file ivi_dsp.c.
Referenced by decode_gop_header().
void ff_ivi_dc_slant_2d | ( | const int32_t * | in, | |
int16_t * | out, | |||
uint32_t | pitch, | |||
int | blk_size | |||
) |
DC-only two-dimensional inverse slant transform.
Performing the inverse slant transform in this case is equivalent to spreading (DC_coeff + 1)/2 over the whole block. It works much faster than performing the slant transform on a vector of zeroes.
[in] | in | pointer to the dc coefficient |
[out] | out | pointer to the output buffer (frame) |
[in] | pitch | pitch to move to the next y line |
[in] | blk_size | transform block size |
Definition at line 458 of file ivi_dsp.c.
Referenced by decode_gop_header().
void ff_ivi_inverse_haar_8x8 | ( | const int32_t * | in, | |
int16_t * | out, | |||
uint32_t | pitch, | |||
const uint8_t * | flags | |||
) |
two-dimensional inverse Haar 8x8 transform for Indeo 4
[in] | in | pointer to the vector of transform coefficients |
[out] | out | pointer to the output buffer (frame) |
[in] | pitch | pitch to move to the next y line |
[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_slant_4x4 | ( | const int32_t * | in, | |
int16_t * | out, | |||
uint32_t | pitch, | |||
const uint8_t * | flags | |||
) |
two-dimensional inverse slant 4x4 transform
[in] | in | pointer to the vector of transform coefficients |
[out] | out | pointer to the output buffer (frame) |
[in] | pitch | pitch to move to the next y line |
[in] | flags | pointer to the array of column flags: != 0 - non_empty column, 0 - empty one (this array must be filled by caller) |
Definition at line 418 of file ivi_dsp.c.
Referenced by decode_gop_header().
void ff_ivi_inverse_slant_8x8 | ( | const int32_t * | in, | |
int16_t * | out, | |||
uint32_t | pitch, | |||
const uint8_t * | flags | |||
) |
two-dimensional inverse slant 8x8 transform
[in] | in | pointer to the vector of transform coefficients |
[out] | out | pointer to the output buffer (frame) |
[in] | pitch | pitch to move to the next y line |
[in] | flags | pointer to the array of column flags: != 0 - non_empty column, 0 - empty one (this array must be filled by caller) |
Definition at line 378 of file ivi_dsp.c.
Referenced by decode_gop_header().
4x4 block motion compensation with adding delta
[in,out] | buf | pointer to the block in the current frame buffer containing delta |
[in] | ref_buf | pointer to the corresponding block in the reference frame |
[in] | pitch | pitch for moving to the next y line |
[in] | mc_type | interpolation type |
Referenced by ff_ivi_decode_blocks().
4x4 block motion compensation without adding delta
[in,out] | buf | pointer to the block in the current frame receiving the result |
[in] | ref_buf | pointer to the corresponding block in the reference frame |
[in] | pitch | pitch for moving to the next y line |
[in] | mc_type | interpolation type |
Referenced by ff_ivi_decode_blocks(), and ff_ivi_process_empty_tile().
8x8 block motion compensation with adding delta
[in,out] | buf | pointer to the block in the current frame buffer containing delta |
[in] | ref_buf | pointer to the corresponding block in the reference frame |
[in] | pitch | pitch for moving to the next y line |
[in] | mc_type | interpolation type |
Referenced by ff_ivi_decode_blocks().
motion compensation without adding delta
[in,out] | buf | pointer to the block in the current frame receiving the result |
[in] | ref_buf | pointer to the corresponding block in the reference frame |
[in] | pitch | pitch for moving to the next y line |
[in] | mc_type | interpolation type |
Referenced by ff_ivi_decode_blocks(), and ff_ivi_process_empty_tile().
void ff_ivi_put_dc_pixel_8x8 | ( | const int32_t * | in, | |
int16_t * | out, | |||
uint32_t | pitch, | |||
int | blk_size | |||
) |
Copy the DC coefficient into the first pixel of the block and zero all others.
Definition at line 560 of file ivi_dsp.c.
Referenced by decode_gop_header().
void ff_ivi_put_pixels_8x8 | ( | const int32_t * | in, | |
int16_t * | out, | |||
uint32_t | pitch, | |||
const uint8_t * | flags | |||
) |
Copy the pixels into the frame buffer.
Definition at line 550 of file ivi_dsp.c.
Referenced by decode_gop_header().
void ff_ivi_recompose53 | ( | const IVIPlaneDesc * | plane, | |
uint8_t * | dst, | |||
const int | dst_pitch, | |||
const int | num_bands | |||
) |
5/3 wavelet recomposition filter for Indeo5
[in] | plane | pointer to the descriptor of the plane being processed |
[out] | dst | pointer to the destination buffer |
[in] | dst_pitch | pitch of the destination buffer |
[in] | num_bands | number of wavelet bands to be processed |
Definition at line 35 of file ivi_dsp.c.
Referenced by decode_frame().
void ff_ivi_recompose_haar | ( | const IVIPlaneDesc * | plane, | |
uint8_t * | dst, | |||
const int | dst_pitch, | |||
const int | num_bands | |||
) |
Haar wavelet recomposition filter for Indeo 4.
[in] | plane | pointer to the descriptor of the plane being processed |
[out] | dst | pointer to the destination buffer |
[in] | dst_pitch | pitch of the destination buffer |
[in] | num_bands | number of wavelet bands to be processed |
Definition at line 181 of file ivi_dsp.c.
Referenced by decode_frame().
void ff_ivi_row_slant8 | ( | const int32_t * | in, | |
int16_t * | out, | |||
uint32_t | pitch, | |||
const uint8_t * | flags | |||
) |
inverse 1D row slant transform
[in] | in | pointer to the vector of transform coefficients |
[out] | out | pointer to the output buffer (frame) |
[in] | pitch | pitch to move to the next y line |
[in] | flags | pointer to the array of column flags (unused here) |
Definition at line 471 of file ivi_dsp.c.
Referenced by decode_gop_header().