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authorKostya Shishkov <kostya.shishkov@gmail.com>2013-05-25 12:15:37 +0200
committerKostya Shishkov <kostya.shishkov@gmail.com>2013-05-28 14:08:09 +0200
commit6647aa0426e73839b9b1d1c9d86188f469167531 (patch)
treec4877dfa1dec1188e72fbab4f0ab7e8d5b591977 /libavcodec/ivi_dsp.h
parent3b03d7e251ff6e65cb4e509c66ff0d02887c3247 (diff)
indeo4: add missing Haar and slanted transforms
That involves fixing INV_HAAR4() macro and changing it to work with different input and output like INV_HAAR8() instead of in-place transform.
Diffstat (limited to 'libavcodec/ivi_dsp.h')
-rw-r--r--libavcodec/ivi_dsp.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/libavcodec/ivi_dsp.h b/libavcodec/ivi_dsp.h
index c46f8b2d8d..31d37e3f9f 100644
--- a/libavcodec/ivi_dsp.h
+++ b/libavcodec/ivi_dsp.h
@@ -66,6 +66,71 @@ 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.
@@ -142,6 +207,30 @@ 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);