52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
/*
|
|
* 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 __cplusplus
|
|
extern "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_
|