2 * Copyright (c) 2014 The WebM project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
11 #ifndef VIDEO_READER_H_
12 #define VIDEO_READER_H_
14 #include "./video_common.h"
16 // The following code is work in progress. It is going to support transparent
17 // reading of input files. Right now only IVF format is supported for
18 // simplicity. The main goal the API is to be simple and easy to use in example
19 // code and in vpxenc/vpxdec later. All low-level details like memory
20 // buffer management are hidden from API users.
21 struct VpxVideoReaderStruct;
22 typedef struct VpxVideoReaderStruct VpxVideoReader;
28 // Opens the input file for reading and inspects it to determine file type.
29 // Returns an opaque VpxVideoReader* upon success, or NULL upon failure.
30 // Right now only IVF format is supported.
31 VpxVideoReader *vpx_video_reader_open(const char *filename);
33 // Frees all resources associated with VpxVideoReader* returned from
34 // vpx_video_reader_open() call.
35 void vpx_video_reader_close(VpxVideoReader *reader);
37 // Reads frame from the file and stores it in internal buffer.
38 int vpx_video_reader_read_frame(VpxVideoReader *reader);
40 // Returns the pointer to memory buffer with frame data read by last call to
41 // vpx_video_reader_read_frame().
42 const uint8_t *vpx_video_reader_get_frame(VpxVideoReader *reader,
45 // Fills VpxVideoInfo with information from opened video file.
46 const VpxVideoInfo *vpx_video_reader_get_info(VpxVideoReader *reader);
52 #endif // VIDEO_READER_H_