/* *  Copyright (c) 2014 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 VIDEO_READER_H_#define VIDEO_READER_H_ #include "./video_common.h" // The following code is work in progress. It is going to  support transparent// reading of input files. 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 in vpxenc/vpxdec later. All low-level details like memory// buffer management are hidden from API users.struct VpxVideoReaderStruct;typedef struct VpxVideoReaderStruct VpxVideoReader; #ifdef __cplusplusextern "C" {#endif // Opens the input file for reading and inspects it to determine file type.// Returns an opaque VpxVideoReader* upon success, or NULL upon failure.// Right now only IVF format is supported.VpxVideoReader *vpx_video_reader_open(const char *filename); // Frees all resources associated with VpxVideoReader* returned from// vpx_video_reader_open() call.void vpx_video_reader_close(VpxVideoReader *reader); // Reads frame from the file and stores it in internal buffer.int vpx_video_reader_read_frame(VpxVideoReader *reader); // Returns the pointer to memory buffer with frame data read by last call to// vpx_video_reader_read_frame().const uint8_t *vpx_video_reader_get_frame(VpxVideoReader *reader,                                          size_t *size); // Fills VpxVideoInfo with information from opened video file.const VpxVideoInfo *vpx_video_reader_get_info(VpxVideoReader *reader); #ifdef __cplusplus}  // extern "C"#endif #endif  // VIDEO_READER_H_