53 строки
1.9 KiB
C
53 строки
1.9 KiB
C
/*
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* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VIDEO_READER_H_
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#define VIDEO_READER_H_
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#include "./video_common.h"
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// The following code is work in progress. It is going to support transparent
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// reading of input files. Right now only IVF format is supported for
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// simplicity. The main goal the API is to be simple and easy to use in example
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// code and in vpxenc/vpxdec later. All low-level details like memory
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// buffer management are hidden from API users.
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struct VpxVideoReaderStruct;
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typedef struct VpxVideoReaderStruct VpxVideoReader;
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Opens the input file for reading and inspects it to determine file type.
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// Returns an opaque VpxVideoReader* upon success, or NULL upon failure.
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// Right now only IVF format is supported.
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VpxVideoReader *vpx_video_reader_open(const char *filename);
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// Frees all resources associated with VpxVideoReader* returned from
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// vpx_video_reader_open() call.
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void vpx_video_reader_close(VpxVideoReader *reader);
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// Reads frame from the file and stores it in internal buffer.
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int vpx_video_reader_read_frame(VpxVideoReader *reader);
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// Returns the pointer to memory buffer with frame data read by last call to
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// vpx_video_reader_read_frame().
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const uint8_t *vpx_video_reader_get_frame(VpxVideoReader *reader,
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size_t *size);
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// Fills VpxVideoInfo with information from opened video file.
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const VpxVideoInfo *vpx_video_reader_get_info(VpxVideoReader *reader);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VIDEO_READER_H_
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