adding ffmpeg specific version

1 files changed, 205 insertions, 0 deletions

diff --git a/ffmpeg1/libavcodec/ivi_dsp.h b/ffmpeg1/libavcodec/ivi_dsp.h
new file mode 100644
index 0000000..e95bb11
--- /dev/null
+++ b/ffmpeg1/libavcodec/ivi_dsp.h
@@ -0,0 +1,205 @@
+/*
+ * DSP functions for Indeo Video Interactive codecs (Indeo4 and Indeo5)
+ *
+ * Copyright (c) 2009-2011 Maxim Poliakovski
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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,
+ * 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
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * DSP functions (inverse transforms, motion compensations, wavelet recompostion)
+ * for Indeo Video Interactive codecs.
+ */
+
+#ifndef AVCODEC_IVI_DSP_H
+#define AVCODEC_IVI_DSP_H
+
+#include "avcodec.h"
+#include "ivi_common.h"
+
+/**
+ *  5/3 wavelet recomposition filter for Indeo5
+ *
+ *  @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_recompose53(const IVIPlaneDesc *plane, uint8_t *dst,
+                        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);
+
+/**
+ *  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
+ *
+ *  @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_slant_8x8(const int32_t *in, int16_t *out, uint32_t pitch,
+                              const uint8_t *flags);
+
+/**
+ *  two-dimensional inverse slant 4x4 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_inverse_slant_4x4(const int32_t *in, int16_t *out, uint32_t pitch,
+                              const uint8_t *flags);
+
+/**
+ *  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.
+ *
+ *  @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_slant_2d(const int32_t *in, int16_t *out, uint32_t pitch, int blk_size);
+
+/**
+ *  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_slant8(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_slant8(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);
+
+/**
+ *  DC-only inverse column slant transform
+ */
+void ff_ivi_dc_col_slant(const int32_t *in, int16_t *out, uint32_t pitch, int blk_size);
+
+/**
+ *  Copy the pixels into the frame buffer.
+ */
+void ff_ivi_put_pixels_8x8(const int32_t *in, int16_t *out, uint32_t pitch, const uint8_t *flags);
+
+/**
+ *  Copy the DC coefficient into the first pixel of the block and
+ *  zero all others.
+ */
+void ff_ivi_put_dc_pixel_8x8(const int32_t *in, int16_t *out, uint32_t pitch, int blk_size);
+
+/**
+ *  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 reference frame
+ *  @param[in]       pitch    pitch for moving to the next y line
+ *  @param[in]       mc_type  interpolation type
+ */
+void ff_ivi_mc_8x8_delta(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type);
+
+/**
+ *  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 reference frame
+ *  @param[in]       pitch    pitch for moving to the next y line
+ *  @param[in]       mc_type  interpolation type
+ */
+void ff_ivi_mc_4x4_delta(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type);
+
+/**
+ *  motion compensation without adding delta
+ *
+ *  @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 reference frame
+ *  @param[in]      pitch    pitch for moving to the next y line
+ *  @param[in]      mc_type  interpolation type
+ */
+void ff_ivi_mc_8x8_no_delta(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type);
+
+/**
+ *  4x4 block motion compensation without adding delta
+ *
+ *  @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 reference frame
+ *  @param[in]      pitch    pitch for moving to the next y line
+ *  @param[in]      mc_type  interpolation type
+ */
+void ff_ivi_mc_4x4_no_delta(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type);
+
+#endif /* AVCODEC_IVI_DSP_H */