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/*
* Copyright (C) 2014-2017 Team Kodi
* http://kodi.tv
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this Program; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#pragma once
#include "libXBMC_addon.h"
#include "kodi_game_types.h"
#include <string>
#include <stdio.h>
#if defined(ANDROID)
#include <sys/stat.h>
#endif
class CHelper_libKODI_game
{
public:
CHelper_libKODI_game(void) :
m_handle(nullptr),
m_callbacks(nullptr)
{
}
~CHelper_libKODI_game(void)
{
}
/*!
* @brief Resolve all callback methods
* @param handle Pointer to the add-on
* @return True when all methods were resolved, false otherwise.
*/
bool RegisterMe(void* handle)
{
m_handle = static_cast<AddonCB*>(handle);
if (m_handle)
m_callbacks = (AddonInstance_Game*)m_handle->GameLib_RegisterMe(m_handle->addonData);
if (!m_callbacks)
fprintf(stderr, "libKODI_game-ERROR: GameLib_RegisterMe can't get callback table from Kodi !!!\n");
return m_callbacks != nullptr;
}
// --- Game callbacks --------------------------------------------------------
/*!
* \brief Requests the frontend to stop the current game
*/
void CloseGame(void)
{
return m_callbacks->toKodi.CloseGame(m_callbacks->toKodi.kodiInstance);
}
/*!
* \brief Create a video stream for pixel data
*
* \param format The type of pixel data accepted by this stream
* \param width The frame width
* \param height The frame height
* \param rotation The rotation (counter-clockwise) of the video frames
*
* \return 0 on success or -1 if a video stream is already created
*/
bool OpenPixelStream(GAME_PIXEL_FORMAT format, unsigned int width, unsigned int height, GAME_VIDEO_ROTATION rotation)
{
return m_callbacks->toKodi.OpenPixelStream(m_callbacks->toKodi.kodiInstance, format, width, height, rotation) == 0;
}
/*!
* \brief Create a video stream for encoded video data
*
* \param codec The video format accepted by this stream
*
* \return 0 on success or -1 if a video stream is already created
*/
bool OpenVideoStream(GAME_VIDEO_CODEC codec)
{
return m_callbacks->toKodi.OpenVideoStream(m_callbacks->toKodi.kodiInstance, codec) == 0;
}
/*!
* \brief Create an audio stream for PCM audio data
*
* \param format The type of audio data accepted by this stream
* \param channel_map The channel layout terminated by GAME_CH_NULL
*
* \return 0 on success or -1 if an audio stream is already created
*/
bool OpenPCMStream(GAME_PCM_FORMAT format, const GAME_AUDIO_CHANNEL* channel_map)
{
return m_callbacks->toKodi.OpenPCMStream(m_callbacks->toKodi.kodiInstance, format, channel_map) == 0;
}
/*!
* \brief Create an audio stream for encoded audio data
*
* \param codec The audio format accepted by this stream
* \param channel_map The channel layout terminated by GAME_CH_NULL
*
* \return 0 on success or -1 if an audio stream is already created
*/
bool OpenAudioStream(GAME_AUDIO_CODEC codec, const GAME_AUDIO_CHANNEL* channel_map)
{
return m_callbacks->toKodi.OpenAudioStream(m_callbacks->toKodi.kodiInstance, codec, channel_map) == 0;
}
/*!
* \brief Add a data packet to an audio or video stream
*
* \param stream The target stream
* \param data The data packet
* \param size The size of the data
*/
void AddStreamData(GAME_STREAM_TYPE stream, const uint8_t* data, unsigned int size)
{
m_callbacks->toKodi.AddStreamData(m_callbacks->toKodi.kodiInstance, stream, data, size);
}
/*!
* \brief Free the specified stream
*
* \param stream The stream to close
*/
void CloseStream(GAME_STREAM_TYPE stream)
{
m_callbacks->toKodi.CloseStream(m_callbacks->toKodi.kodiInstance, stream);
}
// -- Hardware rendering callbacks -------------------------------------------
/*!
* \brief Enable hardware rendering
*
* \param hw_info A struct of properties for the hardware rendering system
*/
void EnableHardwareRendering(const struct game_hw_info* hw_info)
{
return m_callbacks->toKodi.EnableHardwareRendering(m_callbacks->toKodi.kodiInstance, hw_info);
}
/*!
* \brief Get the framebuffer for rendering
*
* \return The framebuffer
*/
uintptr_t HwGetCurrentFramebuffer(void)
{
return m_callbacks->toKodi.HwGetCurrentFramebuffer(m_callbacks->toKodi.kodiInstance);
}
/*!
* \brief Get a symbol from the hardware context
*
* \param symbol The symbol's name
*
* \return A function pointer for the specified symbol
*/
game_proc_address_t HwGetProcAddress(const char* sym)
{
return m_callbacks->toKodi.HwGetProcAddress(m_callbacks->toKodi.kodiInstance, sym);
}
/*!
* \brief Called when a frame is being rendered
*/
void RenderFrame()
{
return m_callbacks->toKodi.RenderFrame(m_callbacks->toKodi.kodiInstance);
}
// --- Input callbacks -------------------------------------------------------
/*!
* \brief Begin reporting events for the specified joystick port
*
* \param port The zero-indexed port number
*
* \return true if the port was opened, false otherwise
*/
bool OpenPort(unsigned int port)
{
return m_callbacks->toKodi.OpenPort(m_callbacks->toKodi.kodiInstance, port);
}
/*!
* \brief End reporting events for the specified port
*
* \param port The port number passed to OpenPort()
*/
void ClosePort(unsigned int port)
{
return m_callbacks->toKodi.ClosePort(m_callbacks->toKodi.kodiInstance, port);
}
/*!
* \brief Notify the port of an input event
*
* \param event The input event
*
* Input events can arrive for the following sources:
* - GAME_INPUT_EVENT_MOTOR
*
* \return true if the event was handled, false otherwise
*/
bool InputEvent(const game_input_event& event)
{
return m_callbacks->toKodi.InputEvent(m_callbacks->toKodi.kodiInstance, &event);
}
private:
AddonCB* m_handle;
AddonInstance_Game* m_callbacks;
};
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