Add libvpx thirdparty library

Only necessary files

1 files changed, 235 insertions, 0 deletions

diff --git a/thirdparty/libvpx/vpx/vpx_image.h b/thirdparty/libvpx/vpx/vpx_image.h
new file mode 100644
index 0000000000..7958c69806
--- /dev/null
+++ b/thirdparty/libvpx/vpx/vpx_image.h
@@ -0,0 +1,235 @@
+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+
+/*!\file
+ * \brief Describes the vpx image descriptor and associated operations
+ *
+ */
+#ifndef VPX_VPX_IMAGE_H_
+#define VPX_VPX_IMAGE_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+  /*!\brief Current ABI version number
+   *
+   * \internal
+   * If this file is altered in any way that changes the ABI, this value
+   * must be bumped.  Examples include, but are not limited to, changing
+   * types, removing or reassigning enums, adding/removing/rearranging
+   * fields to structures
+   */
+#define VPX_IMAGE_ABI_VERSION (4) /**<\hideinitializer*/
+
+
+#define VPX_IMG_FMT_PLANAR     0x100  /**< Image is a planar format. */
+#define VPX_IMG_FMT_UV_FLIP    0x200  /**< V plane precedes U in memory. */
+#define VPX_IMG_FMT_HAS_ALPHA  0x400  /**< Image has an alpha channel. */
+#define VPX_IMG_FMT_HIGHBITDEPTH 0x800  /**< Image uses 16bit framebuffer. */
+
+  /*!\brief List of supported image formats */
+  typedef enum vpx_img_fmt {
+    VPX_IMG_FMT_NONE,
+    VPX_IMG_FMT_RGB24,   /**< 24 bit per pixel packed RGB */
+    VPX_IMG_FMT_RGB32,   /**< 32 bit per pixel packed 0RGB */
+    VPX_IMG_FMT_RGB565,  /**< 16 bit per pixel, 565 */
+    VPX_IMG_FMT_RGB555,  /**< 16 bit per pixel, 555 */
+    VPX_IMG_FMT_UYVY,    /**< UYVY packed YUV */
+    VPX_IMG_FMT_YUY2,    /**< YUYV packed YUV */
+    VPX_IMG_FMT_YVYU,    /**< YVYU packed YUV */
+    VPX_IMG_FMT_BGR24,   /**< 24 bit per pixel packed BGR */
+    VPX_IMG_FMT_RGB32_LE, /**< 32 bit packed BGR0 */
+    VPX_IMG_FMT_ARGB,     /**< 32 bit packed ARGB, alpha=255 */
+    VPX_IMG_FMT_ARGB_LE,  /**< 32 bit packed BGRA, alpha=255 */
+    VPX_IMG_FMT_RGB565_LE,  /**< 16 bit per pixel, gggbbbbb rrrrrggg */
+    VPX_IMG_FMT_RGB555_LE,  /**< 16 bit per pixel, gggbbbbb 0rrrrrgg */
+    VPX_IMG_FMT_YV12    = VPX_IMG_FMT_PLANAR | VPX_IMG_FMT_UV_FLIP | 1, /**< planar YVU */
+    VPX_IMG_FMT_I420    = VPX_IMG_FMT_PLANAR | 2,
+    VPX_IMG_FMT_VPXYV12 = VPX_IMG_FMT_PLANAR | VPX_IMG_FMT_UV_FLIP | 3, /** < planar 4:2:0 format with vpx color space */
+    VPX_IMG_FMT_VPXI420 = VPX_IMG_FMT_PLANAR | 4,
+    VPX_IMG_FMT_I422    = VPX_IMG_FMT_PLANAR | 5,
+    VPX_IMG_FMT_I444    = VPX_IMG_FMT_PLANAR | 6,
+    VPX_IMG_FMT_I440    = VPX_IMG_FMT_PLANAR | 7,
+    VPX_IMG_FMT_444A    = VPX_IMG_FMT_PLANAR | VPX_IMG_FMT_HAS_ALPHA | 6,
+    VPX_IMG_FMT_I42016    = VPX_IMG_FMT_I420 | VPX_IMG_FMT_HIGHBITDEPTH,
+    VPX_IMG_FMT_I42216    = VPX_IMG_FMT_I422 | VPX_IMG_FMT_HIGHBITDEPTH,
+    VPX_IMG_FMT_I44416    = VPX_IMG_FMT_I444 | VPX_IMG_FMT_HIGHBITDEPTH,
+    VPX_IMG_FMT_I44016    = VPX_IMG_FMT_I440 | VPX_IMG_FMT_HIGHBITDEPTH
+  } vpx_img_fmt_t; /**< alias for enum vpx_img_fmt */
+
+  /*!\brief List of supported color spaces */
+  typedef enum vpx_color_space {
+    VPX_CS_UNKNOWN    = 0,  /**< Unknown */
+    VPX_CS_BT_601     = 1,  /**< BT.601 */
+    VPX_CS_BT_709     = 2,  /**< BT.709 */
+    VPX_CS_SMPTE_170  = 3,  /**< SMPTE.170 */
+    VPX_CS_SMPTE_240  = 4,  /**< SMPTE.240 */
+    VPX_CS_BT_2020    = 5,  /**< BT.2020 */
+    VPX_CS_RESERVED   = 6,  /**< Reserved */
+    VPX_CS_SRGB       = 7   /**< sRGB */
+  } vpx_color_space_t; /**< alias for enum vpx_color_space */
+
+  /*!\brief List of supported color range */
+  typedef enum vpx_color_range {
+    VPX_CR_STUDIO_RANGE = 0,    /**< Y [16..235], UV [16..240] */
+    VPX_CR_FULL_RANGE   = 1     /**< YUV/RGB [0..255] */
+  } vpx_color_range_t; /**< alias for enum vpx_color_range */
+
+  /**\brief Image Descriptor */
+  typedef struct vpx_image {
+    vpx_img_fmt_t fmt; /**< Image Format */
+    vpx_color_space_t cs; /**< Color Space */
+    vpx_color_range_t range; /**< Color Range */
+
+    /* Image storage dimensions */
+    unsigned int  w;           /**< Stored image width */
+    unsigned int  h;           /**< Stored image height */
+    unsigned int  bit_depth;   /**< Stored image bit-depth */
+
+    /* Image display dimensions */
+    unsigned int  d_w;   /**< Displayed image width */
+    unsigned int  d_h;   /**< Displayed image height */
+
+    /* Image intended rendering dimensions */
+    unsigned int  r_w;   /**< Intended rendering image width */
+    unsigned int  r_h;   /**< Intended rendering image height */
+
+    /* Chroma subsampling info */
+    unsigned int  x_chroma_shift;   /**< subsampling order, X */
+    unsigned int  y_chroma_shift;   /**< subsampling order, Y */
+
+    /* Image data pointers. */
+#define VPX_PLANE_PACKED 0   /**< To be used for all packed formats */
+#define VPX_PLANE_Y      0   /**< Y (Luminance) plane */
+#define VPX_PLANE_U      1   /**< U (Chroma) plane */
+#define VPX_PLANE_V      2   /**< V (Chroma) plane */
+#define VPX_PLANE_ALPHA  3   /**< A (Transparency) plane */
+    unsigned char *planes[4];  /**< pointer to the top left pixel for each plane */
+    int      stride[4];  /**< stride between rows for each plane */
+
+    int     bps; /**< bits per sample (for packed formats) */
+
+    /* The following member may be set by the application to associate data
+     * with this image.
+     */
+    void    *user_priv; /**< may be set by the application to associate data
+                         *   with this image. */
+
+    /* The following members should be treated as private. */
+    unsigned char *img_data;       /**< private */
+    int      img_data_owner; /**< private */
+    int      self_allocd;    /**< private */
+
+    void    *fb_priv; /**< Frame buffer data associated with the image. */
+  } vpx_image_t; /**< alias for struct vpx_image */
+
+  /**\brief Representation of a rectangle on a surface */
+  typedef struct vpx_image_rect {
+    unsigned int x; /**< leftmost column */
+    unsigned int y; /**< topmost row */
+    unsigned int w; /**< width */
+    unsigned int h; /**< height */
+  } vpx_image_rect_t; /**< alias for struct vpx_image_rect */
+
+  /*!\brief Open a descriptor, allocating storage for the underlying image
+   *
+   * Returns a descriptor for storing an image of the given format. The
+   * storage for the descriptor is allocated on the heap.
+   *
+   * \param[in]    img       Pointer to storage for descriptor. If this parameter
+   *                         is NULL, the storage for the descriptor will be
+   *                         allocated on the heap.
+   * \param[in]    fmt       Format for the image
+   * \param[in]    d_w       Width of the image
+   * \param[in]    d_h       Height of the image
+   * \param[in]    align     Alignment, in bytes, of the image buffer and
+   *                         each row in the image(stride).
+   *
+   * \return Returns a pointer to the initialized image descriptor. If the img
+   *         parameter is non-null, the value of the img parameter will be
+   *         returned.
+   */
+  vpx_image_t *vpx_img_alloc(vpx_image_t  *img,
+                             vpx_img_fmt_t fmt,
+                             unsigned int d_w,
+                             unsigned int d_h,
+                             unsigned int align);
+
+  /*!\brief Open a descriptor, using existing storage for the underlying image
+   *
+   * Returns a descriptor for storing an image of the given format. The
+   * storage for descriptor has been allocated elsewhere, and a descriptor is
+   * desired to "wrap" that storage.
+   *
+   * \param[in]    img       Pointer to storage for descriptor. If this parameter
+   *                         is NULL, the storage for the descriptor will be
+   *                         allocated on the heap.
+   * \param[in]    fmt       Format for the image
+   * \param[in]    d_w       Width of the image
+   * \param[in]    d_h       Height of the image
+   * \param[in]    align     Alignment, in bytes, of each row in the image.
+   * \param[in]    img_data  Storage to use for the image
+   *
+   * \return Returns a pointer to the initialized image descriptor. If the img
+   *         parameter is non-null, the value of the img parameter will be
+   *         returned.
+   */
+  vpx_image_t *vpx_img_wrap(vpx_image_t  *img,
+                            vpx_img_fmt_t fmt,
+                            unsigned int d_w,
+                            unsigned int d_h,
+                            unsigned int align,
+                            unsigned char      *img_data);
+
+
+  /*!\brief Set the rectangle identifying the displayed portion of the image
+   *
+   * Updates the displayed rectangle (aka viewport) on the image surface to
+   * match the specified coordinates and size.
+   *
+   * \param[in]    img       Image descriptor
+   * \param[in]    x         leftmost column
+   * \param[in]    y         topmost row
+   * \param[in]    w         width
+   * \param[in]    h         height
+   *
+   * \return 0 if the requested rectangle is valid, nonzero otherwise.
+   */
+  int vpx_img_set_rect(vpx_image_t  *img,
+                       unsigned int  x,
+                       unsigned int  y,
+                       unsigned int  w,
+                       unsigned int  h);
+
+
+  /*!\brief Flip the image vertically (top for bottom)
+   *
+   * Adjusts the image descriptor's pointers and strides to make the image
+   * be referenced upside-down.
+   *
+   * \param[in]    img       Image descriptor
+   */
+  void vpx_img_flip(vpx_image_t *img);
+
+  /*!\brief Close an image descriptor
+   *
+   * Frees all allocated storage associated with an image descriptor.
+   *
+   * \param[in]    img       Image descriptor
+   */
+  void vpx_img_free(vpx_image_t *img);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // VPX_VPX_IMAGE_H_