mirror of https://github.com/odrling/Aegisub
564 lines
15 KiB
C++
564 lines
15 KiB
C++
// Copyright (c) 2004-2006, Rodrigo Braz Monteiro, Mike Matsnev
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright notice,
|
|
// this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above copyright notice,
|
|
// this list of conditions and the following disclaimer in the documentation
|
|
// and/or other materials provided with the distribution.
|
|
// * Neither the name of the Aegisub Group nor the names of its contributors
|
|
// may be used to endorse or promote products derived from this software
|
|
// without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
// POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
// -----------------------------------------------------------------------------
|
|
//
|
|
// AEGISUB
|
|
//
|
|
// Website: http://aegisub.cellosoft.com
|
|
// Contact: mailto:zeratul@cellosoft.com
|
|
//
|
|
|
|
|
|
///////////
|
|
// Headers
|
|
#include <algorithm>
|
|
#include <errno.h>
|
|
#include <wx/tokenzr.h>
|
|
#include <wx/choicdlg.h>
|
|
#include <wx/filename.h>
|
|
#include "mkv_wrap.h"
|
|
#include "dialog_progress.h"
|
|
#include "ass_file.h"
|
|
#include "ass_time.h"
|
|
|
|
|
|
////////////
|
|
// Instance
|
|
MatroskaWrapper MatroskaWrapper::wrapper;
|
|
|
|
|
|
///////////
|
|
// Defines
|
|
#define CACHESIZE 65536
|
|
|
|
|
|
///////////////
|
|
// Constructor
|
|
MatroskaWrapper::MatroskaWrapper() {
|
|
file = NULL;
|
|
}
|
|
|
|
|
|
//////////////
|
|
// Destructor
|
|
MatroskaWrapper::~MatroskaWrapper() {
|
|
Close();
|
|
}
|
|
|
|
|
|
/////////////
|
|
// Open file
|
|
void MatroskaWrapper::Open(wxString filename,bool parse) {
|
|
// Make sure it's closed first
|
|
Close();
|
|
|
|
// Open
|
|
char err[2048];
|
|
input = new MkvStdIO(filename);
|
|
if (input->fp) {
|
|
file = mkv_Open(input,err,sizeof(err));
|
|
|
|
// Failed parsing
|
|
if (!file) {
|
|
delete input;
|
|
throw wxString(_T("MatroskaParser error: ") + wxString(err,wxConvUTF8)).c_str();
|
|
}
|
|
|
|
// Parse
|
|
if (parse) Parse();
|
|
}
|
|
|
|
// Failed opening
|
|
else {
|
|
delete input;
|
|
throw _T("Unable to open Matroska file for parsing.");
|
|
}
|
|
}
|
|
|
|
|
|
//////////////
|
|
// Close file
|
|
void MatroskaWrapper::Close() {
|
|
if (file) {
|
|
mkv_Close(file);
|
|
file = NULL;
|
|
fclose(input->fp);
|
|
delete input;
|
|
}
|
|
keyFrames.Clear();
|
|
timecodes.clear();
|
|
}
|
|
|
|
|
|
////////////////////
|
|
// Return keyframes
|
|
wxArrayInt MatroskaWrapper::GetKeyFrames() {
|
|
return keyFrames;
|
|
}
|
|
|
|
|
|
///////////////////////
|
|
// Comparison operator
|
|
bool operator < (MkvFrame &t1, MkvFrame &t2) {
|
|
return t1.time < t2.time;
|
|
}
|
|
|
|
|
|
//////////////////
|
|
// Actually parse
|
|
void MatroskaWrapper::Parse() {
|
|
// Clear keyframes and timecodes
|
|
keyFrames.Clear();
|
|
bytePos.Clear();
|
|
timecodes.clear();
|
|
frames.clear();
|
|
rawFrames.clear();
|
|
bytePos.Clear();
|
|
|
|
// Get info
|
|
int tracks = mkv_GetNumTracks(file);
|
|
TrackInfo *trackInfo;
|
|
SegmentInfo *segInfo = mkv_GetFileInfo(file);
|
|
|
|
// Parse tracks
|
|
for (int track=0;track<tracks;track++) {
|
|
trackInfo = mkv_GetTrackInfo(file,track);
|
|
|
|
// Video track
|
|
if (trackInfo->Type == 1) {
|
|
// Variables
|
|
ulonglong startTime, endTime, filePos;
|
|
unsigned int rt, frameSize, frameFlags;
|
|
//CompressedStream *cs = NULL;
|
|
|
|
// Timecode scale
|
|
__int64 timecodeScale = mkv_TruncFloat(trackInfo->TimecodeScale) * segInfo->TimecodeScale;
|
|
|
|
// Mask other tracks away
|
|
mkv_SetTrackMask(file, ~(1 << track));
|
|
|
|
// Progress bar
|
|
int totalTime = int(double(segInfo->Duration) / timecodeScale);
|
|
volatile bool canceled = false;
|
|
DialogProgress *progress = new DialogProgress(NULL,_("Parsing Matroska"),&canceled,_("Reading keyframe and timecode data from Matroska file."),0,totalTime);
|
|
progress->Show();
|
|
progress->SetProgress(0,1);
|
|
|
|
// Read frames
|
|
int frameN = 0;
|
|
while (mkv_ReadFrame(file,0,&rt,&startTime,&endTime,&filePos,&frameSize,&frameFlags) == 0) {
|
|
// Read value
|
|
double curTime = double(startTime) / 1000000.0;
|
|
frames.push_back(MkvFrame((frameFlags & FRAME_KF) != 0,curTime,filePos));
|
|
frameN++;
|
|
|
|
// Cancelled?
|
|
if (canceled) {
|
|
Close();
|
|
throw _T("Canceled");
|
|
}
|
|
|
|
// Update progress
|
|
progress->SetProgress(int(curTime),totalTime);
|
|
}
|
|
|
|
// Clean up progress
|
|
if (!canceled) progress->Destroy();
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Copy raw
|
|
for (std::list<MkvFrame>::iterator cur=frames.begin();cur!=frames.end();cur++) {
|
|
rawFrames.push_back(*cur);
|
|
}
|
|
|
|
bool sortFirst = true;
|
|
if (sortFirst) {
|
|
// Process timecodes and keyframes
|
|
frames.sort();
|
|
MkvFrame curFrame(false,0,0);
|
|
int i = 0;
|
|
for (std::list<MkvFrame>::iterator cur=frames.begin();cur!=frames.end();cur++) {
|
|
curFrame = *cur;
|
|
if (curFrame.isKey) keyFrames.Add(i);
|
|
bytePos.Add(curFrame.filePos);
|
|
timecodes.push_back(curFrame.time);
|
|
i++;
|
|
}
|
|
}
|
|
|
|
else {
|
|
// Process keyframes
|
|
MkvFrame curFrame(false,0,0);
|
|
int i = 0;
|
|
for (std::list<MkvFrame>::iterator cur=frames.begin();cur!=frames.end();cur++) {
|
|
curFrame = *cur;
|
|
if (curFrame.isKey) keyFrames.Add(i);
|
|
bytePos.Add(curFrame.filePos);
|
|
i++;
|
|
}
|
|
|
|
// Process timecodes
|
|
frames.sort();
|
|
for (std::list<MkvFrame>::iterator cur=frames.begin();cur!=frames.end();cur++) {
|
|
curFrame = *cur;
|
|
timecodes.push_back(curFrame.time);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
///////////////////////////
|
|
// Set target to timecodes
|
|
void MatroskaWrapper::SetToTimecodes(FrameRate &target) {
|
|
// Enough frames?
|
|
int frames = timecodes.size();
|
|
if (frames <= 1) return;
|
|
|
|
// Sort
|
|
//std::sort<std::vector<double>::iterator>(timecodes.begin(),timecodes.end());
|
|
|
|
// Check if it's CFR
|
|
bool isCFR = true;
|
|
double estimateCFR = timecodes.back() / timecodes.size()-1;
|
|
double t1,t2;
|
|
for (int i=1;i<frames;i++) {
|
|
t1 = timecodes[i];
|
|
t2 = timecodes[i-1];
|
|
int delta = int(t1 - t2 - estimateCFR);
|
|
if (abs(delta > 2)) {
|
|
isCFR = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Constant framerate
|
|
if (isCFR) {
|
|
if (fabs(estimateCFR - 23.976) < 0.01) estimateCFR = 24000.0 / 1001.0;
|
|
if (fabs(estimateCFR - 29.97) < 0.01) estimateCFR = 30000.0 / 1001.0;
|
|
target.SetCFR(estimateCFR);
|
|
}
|
|
|
|
// Variable framerate
|
|
else {
|
|
std::vector<int> times;
|
|
for (int i=0;i<frames;i++) times.push_back(int(timecodes[i]+0.5));
|
|
target.SetVFR(times);
|
|
}
|
|
}
|
|
|
|
|
|
/////////////////
|
|
// Get subtitles
|
|
void MatroskaWrapper::GetSubtitles(AssFile *target) {
|
|
// Get info
|
|
int tracks = mkv_GetNumTracks(file);
|
|
TrackInfo *trackInfo;
|
|
//SegmentInfo *segInfo = mkv_GetFileInfo(file);
|
|
wxArrayInt tracksFound;
|
|
wxArrayString tracksNames;
|
|
int trackToRead = -1;
|
|
|
|
// Haali's library variables
|
|
ulonglong startTime, endTime, filePos;
|
|
unsigned int rt, frameSize, frameFlags;
|
|
//CompressedStream *cs = NULL;
|
|
|
|
// Find tracks
|
|
for (int track=0;track<tracks;track++) {
|
|
trackInfo = mkv_GetTrackInfo(file,track);
|
|
|
|
// Subtitle track
|
|
if (trackInfo->Type == 0x11) {
|
|
wxString CodecID = wxString(trackInfo->CodecID,*wxConvCurrent);
|
|
wxString TrackName = wxString(trackInfo->Name,*wxConvCurrent);
|
|
wxString TrackLanguage = wxString(trackInfo->Language,*wxConvCurrent);
|
|
|
|
// Known subtitle format
|
|
if (CodecID == _T("S_TEXT/SSA") || CodecID == _T("S_TEXT/ASS") || CodecID == _T("S_TEXT/UTF8")) {
|
|
tracksFound.Add(track);
|
|
tracksNames.Add(wxString::Format(_T("%i ("),track) + CodecID + _T(" ") + TrackLanguage + _T("): ") + TrackName);
|
|
}
|
|
}
|
|
}
|
|
|
|
// No tracks found
|
|
if (tracksFound.Count() == 0) {
|
|
target->LoadDefault(true);
|
|
Close();
|
|
throw _T("File has no known subtitle tracks.");
|
|
}
|
|
|
|
// Only one track found
|
|
else if (tracksFound.Count() == 1) {
|
|
trackToRead = tracksFound[0];
|
|
}
|
|
|
|
// Pick a track
|
|
else {
|
|
int choice = wxGetSingleChoiceIndex(_T("Choose which track to read:"),_T("Multiple subtitle tracks found"),tracksNames);
|
|
if (choice == -1) {
|
|
target->LoadDefault(true);
|
|
Close();
|
|
throw _T("Canceled.");
|
|
}
|
|
trackToRead = tracksFound[choice];
|
|
}
|
|
|
|
// Picked track
|
|
if (trackToRead != -1) {
|
|
// Get codec type (0 = ASS/SSA, 1 = SRT)
|
|
trackInfo = mkv_GetTrackInfo(file,trackToRead);
|
|
wxString CodecID = wxString(trackInfo->CodecID,*wxConvCurrent);
|
|
int codecType = 0;
|
|
if (CodecID == _T("S_TEXT/UTF8")) codecType = 1;
|
|
|
|
// Read private data if it's ASS/SSA
|
|
if (codecType == 0) {
|
|
// Read raw data
|
|
trackInfo = mkv_GetTrackInfo(file,trackToRead);
|
|
unsigned int privSize = trackInfo->CodecPrivateSize;
|
|
char *privData = new char[privSize+1];
|
|
memcpy(privData,trackInfo->CodecPrivate,privSize);
|
|
privData[privSize] = 0;
|
|
wxString privString(privData,wxConvUTF8);
|
|
delete privData;
|
|
|
|
// Load into file
|
|
wxString group = _T("[Script Info]");
|
|
int lasttime = 0;
|
|
int version = (CodecID == _T("S_TEXT/SSA"));
|
|
wxStringTokenizer token(privString,_T("\r\n"),wxTOKEN_STRTOK);
|
|
while (token.HasMoreTokens()) {
|
|
wxString next = token.GetNextToken();
|
|
if (next[0] == _T('[')) group = next;
|
|
lasttime = target->AddLine(next,group,lasttime,version,&group);
|
|
}
|
|
|
|
// Insert "[Events]"
|
|
//target->AddLine(_T(""),group,lasttime,version,&group);
|
|
//target->AddLine(_T("[Events]"),group,lasttime,version,&group);
|
|
//target->AddLine(_T("Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text"),group,lasttime,version,&group);
|
|
}
|
|
|
|
// Load default if it's SRT
|
|
else {
|
|
target->LoadDefault(false);
|
|
}
|
|
|
|
// Read timecode scale
|
|
SegmentInfo *segInfo = mkv_GetFileInfo(file);
|
|
__int64 timecodeScale = mkv_TruncFloat(trackInfo->TimecodeScale) * segInfo->TimecodeScale;
|
|
|
|
// Prepare STD vector to get lines inserted
|
|
std::vector<wxString> subList;
|
|
long int order = -1;
|
|
|
|
// Progress bar
|
|
int totalTime = int(double(segInfo->Duration) / timecodeScale);
|
|
volatile bool canceled = false;
|
|
DialogProgress *progress = new DialogProgress(NULL,_("Parsing Matroska"),&canceled,_("Reading subtitles from Matroska file."),0,totalTime);
|
|
progress->Show();
|
|
progress->SetProgress(0,1);
|
|
|
|
// Load blocks
|
|
mkv_SetTrackMask(file, ~(1 << trackToRead));
|
|
while (mkv_ReadFrame(file,0,&rt,&startTime,&endTime,&filePos,&frameSize,&frameFlags) == 0) {
|
|
// Canceled
|
|
if (canceled) {
|
|
target->LoadDefault(true);
|
|
Close();
|
|
throw _T("Canceled");
|
|
}
|
|
|
|
// Read to temp
|
|
char *tmp = new char[frameSize+1];
|
|
fseek(input->fp, filePos, SEEK_SET);
|
|
fread(tmp,1,frameSize,input->fp);
|
|
tmp[frameSize] = 0;
|
|
wxString blockString(tmp,wxConvUTF8);
|
|
|
|
// Get start and end times
|
|
//__int64 timecodeScaleLow = timecodeScale / 100;
|
|
__int64 timecodeScaleLow = 1000000;
|
|
AssTime subStart,subEnd;
|
|
subStart.SetMS(startTime / timecodeScaleLow);
|
|
subEnd.SetMS(endTime / timecodeScaleLow);
|
|
//wxLogMessage(subStart.GetASSFormated() + _T("-") + subEnd.GetASSFormated() + _T(": ") + blockString);
|
|
|
|
// Process SSA/ASS
|
|
if (codecType == 0) {
|
|
// Get order number
|
|
int pos = blockString.Find(_T(","));
|
|
wxString orderString = blockString.Left(pos);
|
|
orderString.ToLong(&order);
|
|
blockString = blockString.Mid(pos+1);
|
|
|
|
// Get layer number
|
|
pos = blockString.Find(_T(","));
|
|
long int layer = 0;
|
|
if (pos) {
|
|
wxString layerString = blockString.Left(pos);
|
|
layerString.ToLong(&layer);
|
|
blockString = blockString.Mid(pos+1);
|
|
}
|
|
|
|
// Assemble final
|
|
blockString = wxString::Format(_T("Dialogue: %i,"),layer) + subStart.GetASSFormated() + _T(",") + subEnd.GetASSFormated() + _T(",") + blockString;
|
|
}
|
|
|
|
// Process SRT
|
|
else {
|
|
blockString = wxString(_T("Dialogue: 0,")) + subStart.GetASSFormated() + _T(",") + subEnd.GetASSFormated() + _T(",Default,,0000,0000,0000,,") + blockString;
|
|
blockString.Replace(_T("\r\n"),_T("\\N"));
|
|
blockString.Replace(_T("\r"),_T("\\N"));
|
|
blockString.Replace(_T("\n"),_T("\\N"));
|
|
order++;
|
|
}
|
|
|
|
// Insert into vector
|
|
if (subList.size() == (unsigned int)order) subList.push_back(blockString);
|
|
else {
|
|
if ((signed)(subList.size()) < order+1) subList.resize(order+1);
|
|
subList[order] = blockString;
|
|
}
|
|
|
|
// Update progress bar
|
|
progress->SetProgress(int(double(startTime) / 1000000.0),totalTime);
|
|
}
|
|
|
|
// Insert into file
|
|
wxString group = _T("[Events]");
|
|
int lasttime = 0;
|
|
int version = (CodecID == _T("S_TEXT/SSA"));
|
|
for (unsigned int i=0;i<subList.size();i++) {
|
|
lasttime = target->AddLine(subList[i],group,lasttime,version,&group);
|
|
}
|
|
|
|
// Close progress bar
|
|
if (!canceled) progress->Destroy();
|
|
}
|
|
|
|
// No track to load
|
|
else {
|
|
target->LoadDefault(true);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
////////////////////////////// LOTS OF HAALI C CODE DOWN HERE ///////////////////////////////////////
|
|
|
|
///////////////
|
|
// STDIO class
|
|
int StdIoRead(InputStream *_st, ulonglong pos, void *buffer, int count) {
|
|
MkvStdIO *st = (MkvStdIO *) _st;
|
|
size_t rd;
|
|
if (fseek(st->fp, pos, SEEK_SET)) {
|
|
st->error = errno;
|
|
return -1;
|
|
}
|
|
rd = fread(buffer, 1, count, st->fp);
|
|
if (rd == 0) {
|
|
if (feof(st->fp))
|
|
return 0;
|
|
st->error = errno;
|
|
return -1;
|
|
}
|
|
return rd;
|
|
}
|
|
|
|
/* scan for a signature sig(big-endian) starting at file position pos
|
|
* return position of the first byte of signature or -1 if error/not found
|
|
*/
|
|
longlong StdIoScan(InputStream *_st, ulonglong start, unsigned signature) {
|
|
MkvStdIO *st = (MkvStdIO *) _st;
|
|
int c;
|
|
unsigned cmp = 0;
|
|
FILE *fp = st->fp;
|
|
|
|
if (fseek(fp, start, SEEK_SET))
|
|
return -1;
|
|
|
|
while ((c = getc(fp)) != EOF) {
|
|
cmp = ((cmp << 8) | c) & 0xffffffff;
|
|
if (cmp == signature)
|
|
return ftell(fp) - 4;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
/* return cache size, this is used to limit readahead */
|
|
unsigned StdIoGetCacheSize(InputStream *_st) {
|
|
return CACHESIZE;
|
|
}
|
|
|
|
/* return last error message */
|
|
const char *StdIoGetLastError(InputStream *_st) {
|
|
MkvStdIO *st = (MkvStdIO *) _st;
|
|
return strerror(st->error);
|
|
}
|
|
|
|
/* memory allocation, this is done via stdlib */
|
|
void *StdIoMalloc(InputStream *_st, size_t size) {
|
|
return malloc(size);
|
|
}
|
|
|
|
void *StdIoRealloc(InputStream *_st, void *mem, size_t size) {
|
|
return realloc(mem,size);
|
|
}
|
|
|
|
void StdIoFree(InputStream *_st, void *mem) {
|
|
free(mem);
|
|
}
|
|
|
|
int StdIoProgress(InputStream *_st, ulonglong cur, ulonglong max) {
|
|
return 1;
|
|
}
|
|
|
|
MkvStdIO::MkvStdIO(wxString filename) {
|
|
read = StdIoRead;
|
|
scan = StdIoScan;
|
|
getcachesize = StdIoGetCacheSize;
|
|
geterror = StdIoGetLastError;
|
|
memalloc = StdIoMalloc;
|
|
memrealloc = StdIoRealloc;
|
|
memfree = StdIoFree;
|
|
progress = StdIoProgress;
|
|
wxFileName fname(filename);
|
|
fp = fopen(fname.GetShortPath().mb_str(wxConvUTF8),"rb");
|
|
if (fp) {
|
|
setvbuf(fp, NULL, _IOFBF, CACHESIZE);
|
|
}
|
|
}
|