libvpx: Pull from upstream

source/libvpx/vpx/internal/vpx_codec_internal.h

 /*
  *  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.
  */
 
@@ skipping 41 matching lines @@
 #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_CODEC_INTERNAL_ABI_VERSION (4) /**<\hideinitializer*/
+#define VPX_CODEC_INTERNAL_ABI_VERSION (5) /**<\hideinitializer*/
 
 typedef struct vpx_codec_alg_priv  vpx_codec_alg_priv_t;
 typedef struct vpx_codec_priv_enc_mr_cfg vpx_codec_priv_enc_mr_cfg_t;
 
 /*!\brief init function pointer prototype
  *
  * Performs algorithm-specific initialization of the decoder context. This
  * function is called by the generic vpx_codec_init() wrapper function, so
  * plugins implementing this interface may trust the input parameters to be
  * properly initialized.
@@ skipping 138 matching lines @@
  *
  * \param[in]     ctx      Pointer to this instance's context
  * \param[in out] iter     Iterator storage, initialized to NULL
  *
  * \return Returns a pointer to an image, if one is ready for display. Frames
  *         produced will always be in PTS (presentation time stamp) order.
  */
 typedef vpx_image_t *(*vpx_codec_get_frame_fn_t)(vpx_codec_alg_priv_t *ctx,
                                                  vpx_codec_iter_t     *iter);
 
+/*!\brief Pass in external frame buffers for the decoder to use.
+ *
+ * Registers functions to be called when libvpx needs a frame buffer
+ * to decode the current frame and a function to be called when libvpx does
+ * not internally reference the frame buffer. This set function must
+ * be called before the first call to decode or libvpx will assume the
+ * default behavior of allocating frame buffers internally.
+ *
+ * \param[in] ctx          Pointer to this instance's context
+ * \param[in] cb_get       Pointer to the get callback function
+ * \param[in] cb_release   Pointer to the release callback function
+ * \param[in] cb_priv      Callback's private data
+ *
+ * \retval #VPX_CODEC_OK
+ *     External frame buffers will be used by libvpx.
+ * \retval #VPX_CODEC_INVALID_PARAM
+ *     One or more of the callbacks were NULL.
+ * \retval #VPX_CODEC_ERROR
+ *     Decoder context not initialized, or algorithm not capable of
+ *     using external frame buffers.
+ *
+ * \note
+ * When decoding VP9, the application may be required to pass in at least
+ * #VP9_MAXIMUM_REF_BUFFERS + #VPX_MAXIMUM_WORK_BUFFERS external frame
+ * buffers.
+ */
+typedef vpx_codec_err_t (*vpx_codec_set_fb_fn_t)(
+    vpx_codec_alg_priv_t *ctx,
+    vpx_get_frame_buffer_cb_fn_t cb_get,
+    vpx_release_frame_buffer_cb_fn_t cb_release, void *cb_priv);
 
 /*\brief eXternal Memory Allocation memory map get iterator
  *
  * Iterates over a list of the memory maps requested by the decoder. The
  * iterator storage should be initialized to NULL to start the iteration.
  * Iteration is complete when this function returns NULL.
  *
  * \param[in out] iter     Iterator storage, initialized to NULL
  *
  * \return Returns a pointer to an memory segment descriptor, or NULL to
@@ skipping 70 matching lines @@
   vpx_codec_init_fn_t       init;    /**< \copydoc ::vpx_codec_init_fn_t */
   vpx_codec_destroy_fn_t    destroy;     /**< \copydoc ::vpx_codec_destroy_fn_t */
   vpx_codec_ctrl_fn_map_t  *ctrl_maps;   /**< \copydoc ::vpx_codec_ctrl_fn_map_t */
   vpx_codec_get_mmap_fn_t   get_mmap;    /**< \copydoc ::vpx_codec_get_mmap_fn_t */
   vpx_codec_set_mmap_fn_t   set_mmap;    /**< \copydoc ::vpx_codec_set_mmap_fn_t */
   struct vpx_codec_dec_iface {
     vpx_codec_peek_si_fn_t    peek_si;     /**< \copydoc ::vpx_codec_peek_si_fn_t */
     vpx_codec_get_si_fn_t     get_si;      /**< \copydoc ::vpx_codec_get_si_fn_t */
     vpx_codec_decode_fn_t     decode;      /**< \copydoc ::vpx_codec_decode_fn_t */
     vpx_codec_get_frame_fn_t  get_frame;   /**< \copydoc ::vpx_codec_get_frame_fn_t */
+    vpx_codec_set_fb_fn_t     set_fb_fn;   /**< \copydoc ::vpx_codec_set_fb_fn_t */
   } dec;
   struct vpx_codec_enc_iface {
     vpx_codec_enc_cfg_map_t           *cfg_maps;      /**< \copydoc ::vpx_codec_enc_cfg_map_t */
     vpx_codec_encode_fn_t              encode;        /**< \copydoc ::vpx_codec_encode_fn_t */
     vpx_codec_get_cx_data_fn_t         get_cx_data;   /**< \copydoc ::vpx_codec_get_cx_data_fn_t */
     vpx_codec_enc_config_set_fn_t      cfg_set;       /**< \copydoc ::vpx_codec_enc_config_set_fn_t */
     vpx_codec_get_global_headers_fn_t  get_glob_hdrs; /**< \copydoc ::vpx_codec_get_global_headers_fn_t */
     vpx_codec_get_preview_frame_fn_t   get_preview;   /**< \copydoc ::vpx_codec_get_preview_frame_fn_t */
     vpx_codec_enc_mr_get_mem_loc_fn_t  mr_get_mem_loc;   /**< \copydoc ::vpx_codec_enc_mr_get_mem_loc_fn_t */
   } enc;
@@ skipping 181 matching lines @@
 // Returns #VPX_CODEC_OK on success, #VPX_CODEC_MEM_ERROR otherwise.
 vpx_codec_err_t vpx_validate_mmaps(const vpx_codec_stream_info_t *si,
                                    const vpx_codec_mmap_t *mmaps,
                                    const mem_req_t *mem_reqs, int nreqs,
                                    vpx_codec_flags_t init_flags);
 #ifdef __cplusplus
 }  // extern "C"
 #endif
 
 #endif  // VPX_INTERNAL_VPX_CODEC_INTERNAL_H_