/*
* DSP functions for Indeo Video Interactive codecs (Indeo4 and Indeo5)
*
- * Copyright (c) 2009 Maxim Poliakovski
+ * Copyright (c) 2009-2011 Maxim Poliakovski
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
* @param[in] plane pointer to the descriptor of the plane being processed
* @param[out] dst pointer to the destination buffer
* @param[in] dst_pitch pitch of the destination buffer
- * @param[in] num_bands number of wavelet bands to be processed
*/
void ff_ivi_recompose53(const IVIPlaneDesc *plane, uint8_t *dst,
- const int dst_pitch, const int num_bands);
+ const int dst_pitch);
+
+/**
+ * Haar wavelet recomposition filter for Indeo 4
+ *
+ * @param[in] plane pointer to the descriptor of the plane being processed
+ * @param[out] dst pointer to the destination buffer
+ * @param[in] dst_pitch pitch of the destination buffer
+ */
+void ff_ivi_recompose_haar(const IVIPlaneDesc *plane, uint8_t *dst,
+ const int dst_pitch);
+
+/**
+ * two-dimensional inverse Haar 8x8 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_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
+ * spreading DC_coeff >> 3 over the whole block.
+ *
+ * @param[in] in pointer to the dc coefficient
+ * @param[out] out pointer to the output buffer (frame)
+ * @param[in] pitch pitch to move to the next y line
+ * @param[in] blk_size transform block size
+ */
+void ff_ivi_dc_haar_2d(const int32_t *in, int16_t *out, uint32_t pitch,
+ int blk_size);
/**
* two-dimensional inverse slant 8x8 transform
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
*/
projects / ffmpeg / blobdiff