gecko-dev/third_party/aom/video_reader.h

53 строки
2.0 KiB
C

/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#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 aomenc/aomdec later. All low-level details like memory
// buffer management are hidden from API users.
struct AvxVideoReaderStruct;
typedef struct AvxVideoReaderStruct AvxVideoReader;
#ifdef __cplusplus
extern "C" {
#endif
// Opens the input file for reading and inspects it to determine file type.
// Returns an opaque AvxVideoReader* upon success, or NULL upon failure.
// Right now only IVF format is supported.
AvxVideoReader *aom_video_reader_open(const char *filename);
// Frees all resources associated with AvxVideoReader* returned from
// aom_video_reader_open() call.
void aom_video_reader_close(AvxVideoReader *reader);
// Reads frame from the file and stores it in internal buffer.
int aom_video_reader_read_frame(AvxVideoReader *reader);
// Returns the pointer to memory buffer with frame data read by last call to
// aom_video_reader_read_frame().
const uint8_t *aom_video_reader_get_frame(AvxVideoReader *reader, size_t *size);
// Fills AvxVideoInfo with information from opened video file.
const AvxVideoInfo *aom_video_reader_get_info(AvxVideoReader *reader);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VIDEO_READER_H_