ref: 321f0ee272349b66535b56e0b10cf753755f1bd8
dir: /ivfdec.h/
/*
* Copyright (c) 2013 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 IVFDEC_H_
#define IVFDEC_H_
#include "./tools_common.h"
#ifdef __cplusplus
extern "C" {
#endif
int file_is_ivf(struct VpxInputContext *input);
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
#endif // IVFDEC_H_