69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
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/*
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* Copyright (c) 2011 The WebRTC 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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/*
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* Jpeg source data manager
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*/
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#ifndef WEBRTC_COMMON_VIDEO_JPEG_DATA_MANAGER
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#define WEBRTC_COMMON_VIDEO_JPEG_DATA_MANAGER
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#include <stdio.h>
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// jpeg forward declaration
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struct jpeg_source_mgr;
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typedef unsigned char JOCTET;
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typedef int boolean;
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typedef struct jpeg_decompress_struct* j_decompress_ptr;
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typedef struct jpeg_compress_struct* j_compress_ptr;
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namespace webrtc
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{
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// Source manager:
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// a general function that will set these values
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void
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jpegSetSrcBuffer(j_decompress_ptr cinfo, JOCTET* srcBuffer, size_t bufferSize);
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// Initialize source. This is called by jpeg_read_header() before any
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// data is actually read.
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void
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initSrc(j_decompress_ptr cinfo);
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// Fill input buffer
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// This is called whenever bytes_in_buffer has reached zero and more
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// data is wanted.
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boolean
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fillInputBuffer(j_decompress_ptr cinfo);
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// Skip input data
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// Skip num_bytes worth of data.
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void
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skipInputData(j_decompress_ptr cinfo, long num_bytes);
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// Terminate source
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void
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termSource (j_decompress_ptr cinfo);
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} // end of namespace webrtc
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#endif /* WEBRTC_COMMON_VIDEO_JPEG_DATA_MANAGER */
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