diff options
Diffstat (limited to 'ffmpeg/libavcodec/ivi_dsp.h')
| -rw-r--r-- | ffmpeg/libavcodec/ivi_dsp.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/ffmpeg/libavcodec/ivi_dsp.h b/ffmpeg/libavcodec/ivi_dsp.h index e95bb11..245f01d 100644 --- a/ffmpeg/libavcodec/ivi_dsp.h +++ b/ffmpeg/libavcodec/ivi_dsp.h @@ -64,6 +64,75 @@ void ff_ivi_recompose_haar(const IVIPlaneDesc *plane, uint8_t *dst, */ void ff_ivi_inverse_haar_8x8(const int32_t *in, int16_t *out, uint32_t pitch, const uint8_t *flags); +void ff_ivi_inverse_haar_8x1(const int32_t *in, int16_t *out, uint32_t pitch, + const uint8_t *flags); +void ff_ivi_inverse_haar_1x8(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. @@ -142,6 +211,30 @@ 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_dc_row_slant(const int32_t *in, int16_t *out, uint32_t pitch, int blk_size); |