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/*
* Copyright (C) 2005-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#pragma once
#include "DVDMessageQueue.h"
#include "IVideoPlayer.h"
#include "threads/Thread.h"
#include "video/TeletextDefines.h"
class CDVDStreamInfo;
class CDVDTeletextData : public CThread, public IDVDStreamPlayer
{
public:
explicit CDVDTeletextData(CProcessInfo &processInfo);
~CDVDTeletextData() override;
bool CheckStream(CDVDStreamInfo &hints);
bool OpenStream(CDVDStreamInfo hints) override;
void CloseStream(bool bWaitForBuffers) override;
void Flush();
// waits until all available data has been rendered
void WaitForBuffers() { m_messageQueue.WaitUntilEmpty(); }
bool AcceptsData() const override { return !m_messageQueue.IsFull(); }
void SendMessage(std::shared_ptr<CDVDMsg> pMsg, int priority = 0) override
{
if (m_messageQueue.IsInited())
m_messageQueue.Put(pMsg, priority);
}
void FlushMessages() override { m_messageQueue.Flush(); }
bool IsInited() const override { return true; }
bool IsStalled() const override { return true; }
std::shared_ptr<TextCacheStruct_t> GetTeletextCache() { return m_TXTCache; }
void LoadPage(int p, int sp, unsigned char* buffer);
protected:
void OnExit() override;
void Process() override;
private:
void ResetTeletextCache();
void Decode_p2829(unsigned char *vtxt_row, TextExtData_t **ptExtData);
void SavePage(int p, int sp, unsigned char* buffer);
void ErasePage(int magazine);
void AllocateCache(int magazine);
int m_speed;
std::shared_ptr<TextCacheStruct_t> m_TXTCache = std::make_shared<TextCacheStruct_t>();
CDVDMessageQueue m_messageQueue;
};
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