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/*
* Copyright (c) 2011 The WebRTC 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.
*/
/*
* Jpeg source data manager
*/
#ifndef WEBRTC_COMMON_VIDEO_JPEG_DATA_MANAGER
#define WEBRTC_COMMON_VIDEO_JPEG_DATA_MANAGER
#include <stdio.h>
extern "C" {
#if defined(USE_SYSTEM_LIBJPEG)
#include <jpeglib.h>
#else
#include "jpeglib.h"
#endif
}
namespace webrtc
{
// Source manager:
// a general function that will set these values
void
jpegSetSrcBuffer(j_decompress_ptr cinfo, JOCTET* srcBuffer, size_t bufferSize);
// Initialize source. This is called by jpeg_read_header() before any
// data is actually read.
void
initSrc(j_decompress_ptr cinfo);
// Fill input buffer
// This is called whenever bytes_in_buffer has reached zero and more
// data is wanted.
boolean
fillInputBuffer(j_decompress_ptr cinfo);
// Skip input data
// Skip num_bytes worth of data.
void
skipInputData(j_decompress_ptr cinfo, long num_bytes);
// Terminate source
void
termSource (j_decompress_ptr cinfo);
} // end of namespace webrtc
#endif /* WEBRTC_COMMON_VIDEO_JPEG_DATA_MANAGER */