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lib/libva/va/va_enc_jpeg.h

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+/*
+ * Copyright (c) 2007-2013 Intel Corporation. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file va_enc_jpeg.h
+ * \brief JPEG encoding API
+ *
+ * This file contains the \ref api_enc_jpeg "JPEG encoding API".
+ */
+
+#ifndef VA_ENC_JPEG_H
+#define VA_ENC_JPEG_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup api_enc_jpeg JPEG encoding API
+ *
+ * @{
+ */
+
+/**
+ * \brief JPEG Encoding Picture Parameter Buffer Structure
+ *
+ * This structure conveys picture level parameters.
+ *
+ */
+typedef struct  _VAEncPictureParameterBufferJPEG {
+    /** \brief holds reconstructed picture. */
+    VASurfaceID reconstructed_picture;
+    /** \brief picture width. */
+    uint16_t picture_width;
+    /** \brief picture height. */
+    uint16_t picture_height;
+    /** \brief holds coded data. */
+    VABufferID coded_buf;
+
+    /**
+     * \brief pic_flags
+     *
+     */
+    union {
+        struct {
+            /**
+             * \brief profile:
+             * 0 - Baseline, 1 - Extended, 2 - Lossless, 3 - Hierarchical
+             */
+            uint32_t profile     : 2;
+            /**
+             * \brief progressive:
+             * 0 - sequential, 1 - extended, 2 - progressive
+             */
+            uint32_t progressive : 1;
+            /**
+             * \brief huffman:
+             * 0 - arithmetic, 1 - huffman
+             */
+            uint32_t huffman     : 1;
+            /**
+             * \brief interleaved:
+             * 0 - non interleaved, 1 - interleaved
+             */
+            uint32_t interleaved : 1;
+            /**
+             * \brief differential:
+             * 0 - non differential, 1 - differential
+             */
+            uint32_t differential   : 1;
+        } bits;
+        uint32_t value;
+    } pic_flags;
+
+    /** \brief number of bits per sample. */
+    uint8_t    sample_bit_depth;
+    /** \brief total number of scans in image. */
+    uint8_t    num_scan;
+    /** \brief number of image components in frame. */
+    uint16_t   num_components;
+    /** \brief Component identifier (Ci). */
+    uint8_t    component_id[4];
+    /** \brief Quantization table selector (Tqi). */
+    uint8_t    quantiser_table_selector[4];
+    /** \brief number from 1 to 100 that specifies quality of image. */
+    uint8_t    quality;
+
+    /** \brief Reserved bytes for future use, must be zero */
+    uint32_t                va_reserved[VA_PADDING_LOW];
+} VAEncPictureParameterBufferJPEG;
+
+
+/**
+ * \brief Slice parameter for JPEG encoding.
+ *
+ * This structure conveys slice (scan) level parameters.
+ *
+ */
+typedef struct _VAEncSliceParameterBufferJPEG {
+    /** \brief Restart interval definition (Ri). */
+    uint16_t    restart_interval;
+    /** \brief number of image components in a scan. */
+    uint16_t    num_components;
+    struct {
+        /** \brief Scan component selector (Csj). */
+        uint8_t   component_selector;
+        /** \brief DC entropy coding table selector (Tdj). */
+        uint8_t   dc_table_selector;
+        /** \brief AC entropy coding table selector (Taj). */
+        uint8_t   ac_table_selector;
+    } components[4];
+
+    /** \brief Reserved bytes for future use, must be zero */
+    uint32_t                va_reserved[VA_PADDING_LOW];
+} VAEncSliceParameterBufferJPEG;
+
+/**
+ * \brief Quantization table for JPEG encoding.
+ *
+ */
+typedef struct _VAQMatrixBufferJPEG {
+    /** \brief load luma quantization table. */
+    int32_t load_lum_quantiser_matrix;
+    /** \brief load chroma quantization table. */
+    int32_t load_chroma_quantiser_matrix;
+    /** \brief luma quantization table. */
+    uint8_t lum_quantiser_matrix[64];
+    /** \brief chroma quantization table. */
+    uint8_t chroma_quantiser_matrix[64];
+
+    /** \brief Reserved bytes for future use, must be zero */
+    uint32_t                va_reserved[VA_PADDING_LOW];
+} VAQMatrixBufferJPEG;
+
+/**@}*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* VA_ENC_JPEG_H */