165 lines
5 KiB
C++
165 lines
5 KiB
C++
// Copyright (c) 2007-2009 Fredrik Mellbin
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#ifndef UTILS_H
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#define UTILS_H
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#include <vector>
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#include <sstream>
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#include <fstream>
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#include <cstdio>
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#include "ffms.h"
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#include "matroskaparser.h"
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extern "C" {
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#include "stdiostream.h"
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#include <libavformat/avformat.h>
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#include <libavcodec/avcodec.h>
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#include <libswscale/swscale.h>
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#include <libpostproc/postprocess.h>
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}
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// must be included after ffmpeg headers
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#include "ffmscompat.h"
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#ifdef HAALISOURCE
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# define WIN32_LEAN_AND_MEAN
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# define _WIN32_DCOM
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# include <windows.h>
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# include <tchar.h>
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# include <atlbase.h>
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# include <dshow.h>
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# include <initguid.h>
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# include "CoParser.h"
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# include "guids.h"
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#endif
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#define FFMS_GET_VECTOR_PTR(v) (((v).size() ? &(v)[0] : NULL))
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const int64_t ffms_av_nopts_value = static_cast<int64_t>(1) << 63;
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// used for matroska<->ffmpeg codec ID mapping to avoid Win32 dependency
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typedef struct FFMS_BITMAPINFOHEADER {
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uint32_t biSize;
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int32_t biWidth;
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int32_t biHeight;
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uint16_t biPlanes;
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uint16_t biBitCount;
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uint32_t biCompression;
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uint32_t biSizeImage;
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int32_t biXPelsPerMeter;
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int32_t biYPelsPerMeter;
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uint32_t biClrUsed;
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uint32_t biClrImportant;
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} FFMS_BITMAPINFOHEADER;
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class FFMS_Exception : public std::exception {
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private:
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std::string _Message;
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int _ErrorType;
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int _SubType;
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public:
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FFMS_Exception(int ErrorType, int SubType, const char *Message = "");
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FFMS_Exception(int ErrorType, int SubType, const std::string &Message);
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~FFMS_Exception() throw ();
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const std::string &GetErrorMessage() const;
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int CopyOut(FFMS_ErrorInfo *ErrorInfo) const;
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};
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template<class T>
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class FFSourceResources {
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private:
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T *_PrivClass;
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bool _Enabled;
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bool _Arg;
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public:
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FFSourceResources(T *Target) : _PrivClass(Target), _Enabled(true), _Arg(false) {
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}
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~FFSourceResources() {
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if (_Enabled)
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_PrivClass->Free(_Arg);
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}
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void SetEnabled(bool Enabled) {
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_Enabled = Enabled;
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}
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void SetArg(bool Arg) {
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_Arg = Arg;
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}
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void CloseCodec(bool Arg) {
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_Arg = Arg;
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}
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};
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struct MatroskaReaderContext {
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public:
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StdIoStream ST;
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uint8_t *Buffer;
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unsigned int BufferSize;
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char CSBuffer[4096];
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MatroskaReaderContext() {
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InitStdIoStream(&ST);
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Buffer = NULL;
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BufferSize = 0;
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}
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~MatroskaReaderContext() {
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free(Buffer);
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}
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};
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class ffms_fstream : public std::fstream {
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public:
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void open(const char *filename, std::ios_base::openmode mode = std::ios_base::in | std::ios_base::out);
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ffms_fstream(const char *filename, std::ios_base::openmode mode = std::ios_base::in | std::ios_base::out);
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};
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int GetSWSCPUFlags();
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int GetPPCPUFlags();
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void ClearErrorInfo(FFMS_ErrorInfo *ErrorInfo);
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FFMS_TrackType HaaliTrackTypeToFFTrackType(int TT);
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void ReadFrame(uint64_t FilePos, unsigned int &FrameSize, CompressedStream *CS, MatroskaReaderContext &Context);
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bool AudioFMTIsFloat(SampleFormat FMT);
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void InitNullPacket(AVPacket &pkt);
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void FillAP(FFMS_AudioProperties &AP, AVCodecContext *CTX, FFMS_Track &Frames);
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#ifdef HAALISOURCE
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unsigned vtSize(VARIANT &vt);
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void vtCopy(VARIANT& vt,void *dest);
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void InitializeCodecContextFromHaaliInfo(CComQIPtr<IPropertyBag> pBag, AVCodecContext *CodecContext);
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#endif
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void InitializeCodecContextFromMatroskaTrackInfo(TrackInfo *TI, AVCodecContext *CodecContext);
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CodecID MatroskaToFFCodecID(char *Codec, void *CodecPrivate, unsigned int FourCC = 0, unsigned int BitsPerSample = 0);
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FILE *ffms_fopen(const char *filename, const char *mode);
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size_t ffms_mbstowcs (wchar_t *wcstr, const char *mbstr, size_t max);
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#if defined(_WIN32) && defined(FFMS_USE_UTF8_PATHS)
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void ffms_patch_lavf_file_open();
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#endif
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#ifdef HAALISOURCE
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CComPtr<IMMContainer> HaaliOpenFile(const char *SourceFile, enum FFMS_Sources SourceMode);
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#endif
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void LAVFOpenFile(const char *SourceFile, AVFormatContext *&FormatContext);
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void CorrectNTSCRationalFramerate(int *Num, int *Den);
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void CorrectTimebase(FFMS_VideoProperties *VP, FFMS_TrackTimeBase *TTimebase);
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#endif
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