libvpx: Pull from upstream

source/libvpx/ivfdec.h

Index: source/libvpx/ivfdec.h
===================================================================
--- source/libvpx/ivfdec.h	(revision 251189)
+++ source/libvpx/ivfdec.h	(working copy)
@@ -21,34 +21,6 @@
 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