libvpx: Pull from upstream

source/libvpx/ivfdec.h

 /*
  *  Copyright (c) 2013 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.
  */
 #ifndef IVFDEC_H_
 #define IVFDEC_H_
 
 #include "./tools_common.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 int file_is_ivf(struct VpxInputContext *input);
 
 int ivf_read_frame(FILE *infile, uint8_t **buffer,
                    size_t *bytes_read, size_t *buffer_size);
 
-// The following code is work in progress. It is going to be in a separate file
-// and support transparent reading of IVF and Y4M formats. Right now only IVF
-// format is supported for simplicity. The main goal the API is to be
-// simple and easy to use in example code (and probably in vpxenc/vpxdec later).
-// All low-level details like memory buffer management are hidden from API
-// users.
-struct vpx_video;
-typedef struct vpx_video vpx_video_t;
-
-// Opens the input file and inspects it to determine file type. Returns an
-// opaque vpx_video_t* upon success, or NULL upon failure.
-vpx_video_t *vpx_video_open_file(FILE *file);
-
-// Frees all resources associated with vpx_video_t returned from
-// vpx_video_open_file() call
-void vpx_video_close(vpx_video_t *video);
-
-int vpx_video_get_width(vpx_video_t *video);
-int vpx_video_get_height(vpx_video_t *video);
-unsigned int vpx_video_get_fourcc(vpx_video_t *video);
-
-// Reads video frame bytes from the file and stores them into internal buffer.
-int vpx_video_read_frame(vpx_video_t *video);
-
-// Returns the pointer to internal memory buffer with frame bytes read from
-// last call to vpx_video_read_frame().
-const unsigned char *vpx_video_get_frame(vpx_video_t *video, size_t *size);
-
 #ifdef __cplusplus
 }  /* extern "C" */
 #endif
 
 #endif  // IVFDEC_H_