rtp_utils.h

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//
// Copyright (c) 2025, Astute Systems PTY LTD
//
// This file is part of the VivoeX project developed by Astute Systems.
//
// Licensed under the Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
// License. See the LICENSE file in the project root for full license details.
//
 
#ifndef RTP_RTP_UTILS_H_
#define RTP_RTP_UTILS_H_
 
#ifdef _WIN32
#include <winsock2.h>
// Swap bytes in 16 bit value.
#define __bswap_constant_16(x) ((((x) >> 8) & 0xffu) | (((x)&0xffu) << 8))
// Swap bytes in 32 bit value.
#define __bswap_constant_32(x) \
  ((((x) >> 24) & 0xffu) | (((x)&0xff0000u) >> 8) | (((x)&0xff00u) << 8) | (((x)&0xffu) << 24))
#define __bswap_16(x) __bswap_constant_16(x)
#else
#include <byteswap.h>
#include <netdb.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <sys/types.h>
#endif
#include <string>
#include <string_view>
 
#include "rtp/rtp_types.h"
 
namespace mediax {
 
void InitRtp(int argc, char *argv[]);
 
bool IsRtpInitialised();
 
void RtpCleanup();
 
std::string ColourspaceTypeToString(rtp::ColourspaceType);
 
rtp::ColourspaceType ColourspaceTypeFromString(std::string_view);
 
uint8_t BitsPerPixel(rtp::ColourspaceType mode);
 
uint8_t BytesPerPixel(rtp::ColourspaceType mode);
 
}  // namespace mediax
 
void EndianSwap32(uint32_t *data, unsigned int length);
 
void EndianSwap16(uint16_t *data, unsigned int length);
 
void DumpHex(const void *data, size_t size);
 
void CreateColourBarEbuTestCard(uint8_t *data, uint32_t width, uint32_t height,
                                mediax::rtp::ColourspaceType colourspace);
void CreateColourBarTestCard(uint8_t *data, uint32_t width, uint32_t height, mediax::rtp::ColourspaceType colourspace);
 
void CreateGreyScaleBarTestCard(uint8_t *data, uint32_t width, uint32_t height,
                                mediax::rtp::ColourspaceType colourspace);
 
void CreateQuadTestCard(uint8_t *data, uint32_t width, uint32_t height, mediax::rtp::ColourspaceType colourspace);
 
void CreateCheckeredTestCard(uint8_t *data, uint32_t width, uint32_t height, mediax::rtp::ColourspaceType colourspace);
 
void CreateSolidTestCard(uint8_t *data, uint32_t width, uint32_t height, uint8_t red, uint8_t green, uint8_t blue,
                         mediax::rtp::ColourspaceType colourspace);
 
void CreateWhiteNoiseTestCard(uint8_t *data, uint32_t width, uint32_t height, mediax::rtp::ColourspaceType colourspace);
 
void CreateBouncingBallTestCard(uint8_t *data, uint32_t width, uint32_t height,
                                mediax::rtp::ColourspaceType colourspace);
 
#endif  // RTP_RTP_UTILS_H_