Delete SubtitleFormat::FPSRational and just use FractionalTime

Originally committed to SVN as r6117.
This commit is contained in:
Thomas Goyne 2011-12-22 21:27:53 +00:00
parent ac6e9fd022
commit 3b83b9e31b
8 changed files with 67 additions and 88 deletions

View file

@ -251,11 +251,10 @@ int AssTime::GetTimeMiliseconds() { return (time % 1000); }
/// ///
int AssTime::GetTimeCentiseconds() { return (time % 1000)/10; } int AssTime::GetTimeCentiseconds() { return (time % 1000)/10; }
FractionalTime::FractionalTime(int numerator, int denominator, bool dropframe, char sep) FractionalTime::FractionalTime(int numerator, int denominator, bool dropframe)
: num(numerator) : num(numerator)
, den(denominator) , den(denominator)
, drop(dropframe) , drop(dropframe)
, sep(sep)
{ {
if (drop) { if (drop) {
// no dropframe for any other framerates // no dropframe for any other framerates
@ -268,7 +267,7 @@ FractionalTime::FractionalTime(int numerator, int denominator, bool dropframe, c
throw "FractionalTime: nonsensical enumerator or denominator"; throw "FractionalTime: nonsensical enumerator or denominator";
} }
int FractionalTime::ToMillisecs(wxString text) { int FractionalTime::ToMillisecs(wxString text, char sep) {
text.Trim(false); text.Trim(false);
text.Trim(true); text.Trim(true);
@ -318,15 +317,15 @@ int FractionalTime::ToMillisecs(wxString text) {
return msecs_f; return msecs_f;
} }
AssTime FractionalTime::ToAssTime(wxString text) { AssTime FractionalTime::ToAssTime(wxString text, char sep) {
return AssTime(ToMillisecs(text)); return AssTime(ToMillisecs(text, sep));
} }
wxString FractionalTime::FromAssTime(AssTime time) { wxString FractionalTime::FromAssTime(AssTime time, char sep) {
return FromMillisecs(time.GetMS()); return FromMillisecs(time.GetMS(), sep);
} }
wxString FractionalTime::FromMillisecs(int64_t msec) { wxString FractionalTime::FromMillisecs(int64_t msec, char sep) {
int h=0, m=0, s=0, f=0; // hours, minutes, seconds, fractions int h=0, m=0, s=0, f=0; // hours, minutes, seconds, fractions
int fn = (msec*(int64_t)num) / (1000*den); // frame number int fn = (msec*(int64_t)num) / (1000*den); // frame number

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@ -91,21 +91,24 @@ class FractionalTime {
int num; ///< Numerator int num; ///< Numerator
int den; ///< Denominator int den; ///< Denominator
bool drop; ///< Enable SMPTE dropframe handling bool drop; ///< Enable SMPTE dropframe handling
char sep; ///< Timecode component separator
/// How often to drop frames when enabled /// How often to drop frames when enabled
static const int frames_per_period = 17982; static const int frames_per_period = 17982;
public: public:
FractionalTime(int numerator=30, int denominator=1, bool dropframe=false, char sep=':'); FractionalTime(int numerator=30, int denominator=1, bool dropframe=false);
int Numerator() const { return num; }
int Denominator() const { return den; }
bool IsDrop() const { return drop; }
/// Parse a SMPTE timecode, returning an AssTime /// Parse a SMPTE timecode, returning an AssTime
AssTime ToAssTime(wxString fractime); AssTime ToAssTime(wxString fractime, char sep=':');
/// Parse a SMPTE timecode, returning milliseconds /// Parse a SMPTE timecode, returning milliseconds
int ToMillisecs(wxString fractime); int ToMillisecs(wxString fractime, char sep=':');
/// Convert an AssTime to a SMPTE timecode /// Convert an AssTime to a SMPTE timecode
wxString FromAssTime(AssTime time); wxString FromAssTime(AssTime time, char sep=':');
/// Convert milliseconds to a SMPTE timecode /// Convert milliseconds to a SMPTE timecode
wxString FromMillisecs(int64_t msec); wxString FromMillisecs(int64_t msec, char sep=':');
}; };

View file

@ -109,19 +109,22 @@ void SubtitleFormat::AddLine(wxString data, wxString group, int &version, wxStri
} }
/// @brief Ask the user to enter the FPS /// @brief Ask the user to enter the FPS
SubtitleFormat::FPSRational SubtitleFormat::AskForFPS(bool showSMPTE) { FractionalTime SubtitleFormat::AskForFPS(bool showSMPTE) {
wxArrayString choices; wxArrayString choices;
FPSRational fps_rat; bool drop = false;
fps_rat.smpte_dropframe = false; // ensure it's false by default int num;
int den;
// Video FPS // Video FPS
VideoContext *context = VideoContext::Get(); VideoContext *context = VideoContext::Get();
bool vidLoaded = context->TimecodesLoaded(); bool vidLoaded = context->TimecodesLoaded();
if (vidLoaded) { if (vidLoaded) {
wxString vidFPS; wxString vidFPS;
if (context->FPS().IsVFR()) vidFPS = "VFR"; if (context->FPS().IsVFR())
else vidFPS = wxString::Format("%.3f", context->FPS().FPS()); vidFPS = "VFR";
choices.Add(wxString::Format("From video (%s)", vidFPS)); else
vidFPS = wxString::Format("%.3f", context->FPS().FPS());
choices.Add(wxString::Format(_("From video (%s)"), vidFPS));
} }
// Standard FPS values // Standard FPS values
@ -141,51 +144,31 @@ SubtitleFormat::FPSRational SubtitleFormat::AskForFPS(bool showSMPTE) {
// Ask // Ask
int choice = wxGetSingleChoiceIndex(_("Please choose the appropriate FPS for the subtitles:"), _("FPS"), choices); int choice = wxGetSingleChoiceIndex(_("Please choose the appropriate FPS for the subtitles:"), _("FPS"), choices);
if (choice == -1) { if (choice == -1)
fps_rat.num = 0; return FractionalTime(0, 0);
fps_rat.den = 0;
return fps_rat;
}
// Get FPS from choice // Get FPS from choice
if (vidLoaded) choice--; if (vidLoaded) choice--;
// dropframe was displayed, that means all choices >4 are bumped up by 1 // dropframe was displayed, that means all choices >4 are bumped up by 1
if (showSMPTE) { if (!showSMPTE && choice > 4) ++choice;
switch (choice) { switch (choice) {
case -1: fps_rat.num = -1; fps_rat.den = 1; break; // VIDEO case -1: num = -1; den = 1; break; // VIDEO
case 0: fps_rat.num = 15; fps_rat.den = 1; break; case 0: num = 15; den = 1; break;
case 1: fps_rat.num = 24000; fps_rat.den = 1001; break; case 1: num = 24000; den = 1001; break;
case 2: fps_rat.num = 24; fps_rat.den = 1; break; case 2: num = 24; den = 1; break;
case 3: fps_rat.num = 25; fps_rat.den = 1; break; case 3: num = 25; den = 1; break;
case 4: fps_rat.num = 30000; fps_rat.den = 1001; break; case 4: num = 30000; den = 1001; break;
case 5: fps_rat.num = 30000; fps_rat.den = 1001; fps_rat.smpte_dropframe = true; break; case 5: num = 30000; den = 1001; drop = true; break;
case 6: fps_rat.num = 30; fps_rat.den = 1; break; case 6: num = 30; den = 1; break;
case 7: fps_rat.num = 50; fps_rat.den = 1; break; case 7: num = 50; den = 1; break;
case 8: fps_rat.num = 60000; fps_rat.den = 1001; break; case 8: num = 60000; den = 1001; break;
case 9: fps_rat.num = 60; fps_rat.den = 1; break; case 9: num = 60; den = 1; break;
case 10: fps_rat.num = 120000; fps_rat.den = 1001; break; case 10: num = 120000; den = 1001; break;
case 11: fps_rat.num = 120; fps_rat.den = 1; break; case 11: num = 120; den = 1; break;
}
return fps_rat;
} else {
// dropframe wasn't displayed
switch (choice) {
case -1: fps_rat.num = -1; fps_rat.den = 1; break; // VIDEO
case 0: fps_rat.num = 15; fps_rat.den = 1; break;
case 1: fps_rat.num = 24000; fps_rat.den = 1001; break;
case 2: fps_rat.num = 24; fps_rat.den = 1; break;
case 3: fps_rat.num = 25; fps_rat.den = 1; break;
case 4: fps_rat.num = 30000; fps_rat.den = 1001; break;
case 5: fps_rat.num = 30; fps_rat.den = 1; break;
case 6: fps_rat.num = 50; fps_rat.den = 1; break;
case 7: fps_rat.num = 60000; fps_rat.den = 1001; break;
case 8: fps_rat.num = 60; fps_rat.den = 1; break;
case 9: fps_rat.num = 120000; fps_rat.den = 1001; break;
case 10: fps_rat.num = 120; fps_rat.den = 1; break;
}
return fps_rat;
} }
return FractionalTime(num, den, drop);
} }
void SubtitleFormat::SortLines() { void SubtitleFormat::SortLines() {

View file

@ -47,6 +47,7 @@
class AssFile; class AssFile;
class AssEntry; class AssEntry;
class FractionalTime;
/// DOCME /// DOCME
/// @class SubtitleFormat /// @class SubtitleFormat
@ -67,12 +68,6 @@ class SubtitleFormat {
static std::list<SubtitleFormat*> formats; static std::list<SubtitleFormat*> formats;
protected: protected:
struct FPSRational {
int num;
int den;
bool smpte_dropframe;
};
std::list<AssEntry*> *Line; std::list<AssEntry*> *Line;
/// Copy the input subtitles file; must be called before making any changes /// Copy the input subtitles file; must be called before making any changes
@ -112,7 +107,7 @@ protected:
void AddLine(wxString data,wxString group,int &version,wxString *outgroup=NULL); void AddLine(wxString data,wxString group,int &version,wxString *outgroup=NULL);
/// Prompt the user for a framerate to use /// Prompt the user for a framerate to use
/// @param showSMPTE Include SMPTE as an option? /// @param showSMPTE Include SMPTE as an option?
FPSRational AskForFPS(bool showSMPTE=false); FractionalTime AskForFPS(bool showSMPTE=false);
public: public:
/// Constructor /// Constructor

View file

@ -53,8 +53,8 @@ wxArrayString EncoreSubtitleFormat::GetWriteWildcards() const {
} }
void EncoreSubtitleFormat::WriteFile(wxString const& filename, wxString const& encoding) { void EncoreSubtitleFormat::WriteFile(wxString const& filename, wxString const& encoding) {
FPSRational fps_rat = AskForFPS(true); FractionalTime ft = AskForFPS(true);
if (fps_rat.num <= 0 || fps_rat.den <= 0) return; if (ft.Numerator() <= 0 || ft.Denominator() <= 0) return;
TextFileWriter file(filename, encoding); TextFileWriter file(filename, encoding);
@ -71,12 +71,12 @@ void EncoreSubtitleFormat::WriteFile(wxString const& filename, wxString const& e
int i = 0; int i = 0;
// Encore wants ; instead of : if we're dealing with NTSC dropframe stuff // Encore wants ; instead of : if we're dealing with NTSC dropframe stuff
FractionalTime ft(fps_rat.num, fps_rat.den, fps_rat.smpte_dropframe, fps_rat.smpte_dropframe ? ';' : ':'); char sep = ft.IsDrop() ? ';' : ':';
for (std::list<AssEntry*>::iterator cur=Line->begin();cur!=Line->end();cur++) { for (std::list<AssEntry*>::iterator cur=Line->begin();cur!=Line->end();cur++) {
if (AssDialogue *current = dynamic_cast<AssDialogue*>(*cur)) { if (AssDialogue *current = dynamic_cast<AssDialogue*>(*cur)) {
++i; ++i;
file.WriteLineToFile(wxString::Format("%i %s %s %s", i, ft.FromAssTime(current->Start), ft.FromAssTime(current->End), current->Text)); file.WriteLineToFile(wxString::Format("%i %s %s %s", i, ft.FromAssTime(current->Start, sep), ft.FromAssTime(current->End, sep), current->Text));
} }
} }

View file

@ -107,10 +107,10 @@ void MicroDVDSubtitleFormat::ReadFile(wxString const& filename, wxString const&
} }
// If it wasn't an fps line, ask the user for it // If it wasn't an fps line, ask the user for it
FPSRational fps_rat = AskForFPS(); FractionalTime fps_rat = AskForFPS();
if (fps_rat.num == 0) return; if (fps_rat.Numerator() == 0) return;
else if (fps_rat.num > 0) else if (fps_rat.Numerator() > 0)
fps = agi::vfr::Framerate(fps_rat.num, fps_rat.den); fps = agi::vfr::Framerate(fps_rat.Numerator(), fps_rat.Denominator());
else else
fps = VideoContext::Get()->FPS(); fps = VideoContext::Get()->FPS();
} }
@ -131,12 +131,12 @@ void MicroDVDSubtitleFormat::ReadFile(wxString const& filename, wxString const&
void MicroDVDSubtitleFormat::WriteFile(wxString const& filename, wxString const& encoding) { void MicroDVDSubtitleFormat::WriteFile(wxString const& filename, wxString const& encoding) {
agi::vfr::Framerate fps; agi::vfr::Framerate fps;
FPSRational fps_rat = AskForFPS(); FractionalTime fps_rat = AskForFPS();
if (fps_rat.num == 0 || fps_rat.den == 0) return; if (fps_rat.Numerator() == 0 || fps_rat.Denominator() == 0) return;
if (fps_rat.num < 0 || fps_rat.den < 0) if (fps_rat.Numerator() < 0 || fps_rat.Denominator() < 0)
fps = VideoContext::Get()->FPS(); fps = VideoContext::Get()->FPS();
else else
fps = agi::vfr::Framerate(fps_rat.num, fps_rat.den); fps = agi::vfr::Framerate(fps_rat.Numerator(), fps_rat.Denominator());
// Convert file // Convert file
CreateCopy(); CreateCopy();

View file

@ -60,8 +60,8 @@ wxArrayString TranStationSubtitleFormat::GetWriteWildcards() const {
} }
void TranStationSubtitleFormat::WriteFile(wxString const& filename, wxString const& encoding) { void TranStationSubtitleFormat::WriteFile(wxString const& filename, wxString const& encoding) {
FPSRational fps_rat = AskForFPS(true); FractionalTime ft = AskForFPS(true);
if (fps_rat.num <= 0 || fps_rat.den <= 0) return; if (ft.Numerator() <= 0 || ft.Denominator() <= 0) return;
TextFileWriter file(filename, encoding); TextFileWriter file(filename, encoding);
@ -77,7 +77,7 @@ void TranStationSubtitleFormat::WriteFile(wxString const& filename, wxString con
AssDialogue *cur = dynamic_cast<AssDialogue*>(*it); AssDialogue *cur = dynamic_cast<AssDialogue*>(*it);
if (prev && cur) { if (prev && cur) {
file.WriteLineToFile(ConvertLine(prev, &fps_rat, cur->Start.GetMS())); file.WriteLineToFile(ConvertLine(prev, &ft, cur->Start.GetMS()));
file.WriteLineToFile(""); file.WriteLineToFile("");
} }
@ -87,7 +87,7 @@ void TranStationSubtitleFormat::WriteFile(wxString const& filename, wxString con
// flush last line // flush last line
if (prev) if (prev)
file.WriteLineToFile(ConvertLine(prev, &fps_rat, -1)); file.WriteLineToFile(ConvertLine(prev, &ft, -1));
// Every file must end with this line // Every file must end with this line
file.WriteLineToFile("SUB["); file.WriteLineToFile("SUB[");
@ -95,7 +95,7 @@ void TranStationSubtitleFormat::WriteFile(wxString const& filename, wxString con
ClearCopy(); ClearCopy();
} }
wxString TranStationSubtitleFormat::ConvertLine(AssDialogue *current, FPSRational *fps_rat, int nextl_start) { wxString TranStationSubtitleFormat::ConvertLine(AssDialogue *current, FractionalTime *ft, int nextl_start) {
int valign = 0; int valign = 0;
const char *halign = " "; // default is centered const char *halign = " "; // default is centered
const char *type = "N"; // no special style const char *type = "N"; // no special style
@ -119,10 +119,9 @@ wxString TranStationSubtitleFormat::ConvertLine(AssDialogue *current, FPSRationa
// start of next one, since the end timestamp is inclusive and the lines // start of next one, since the end timestamp is inclusive and the lines
// would overlap if left as is. // would overlap if left as is.
if (nextl_start > 0 && end.GetMS() == nextl_start) if (nextl_start > 0 && end.GetMS() == nextl_start)
end.SetMS(end.GetMS() - ((1000*fps_rat->den)/fps_rat->num)); end.SetMS(end.GetMS() - ((1000*ft->Denominator())/ft->Numerator()));
FractionalTime ft(fps_rat->num, fps_rat->den, fps_rat->smpte_dropframe); wxString header = wxString::Format("SUB[%i%s%s ", valign, halign, type) + ft->FromAssTime(start) + ">" + ft->FromAssTime(end) + "]\r\n";
wxString header = wxString::Format("SUB[%i%s%s ", valign, halign, type) + ft.FromAssTime(start) + ">" + ft.FromAssTime(end) + "]\r\n";
// Process text // Process text
wxString lineEnd = "\r\n"; wxString lineEnd = "\r\n";

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@ -44,7 +44,7 @@ class AssDialogue;
/// ///
/// DOCME /// DOCME
class TranStationSubtitleFormat : public SubtitleFormat { class TranStationSubtitleFormat : public SubtitleFormat {
wxString ConvertLine(AssDialogue *line, FPSRational *fps_rat, int nextl_start); wxString ConvertLine(AssDialogue *line, FractionalTime *ft, int nextl_start);
public: public:
TranStationSubtitleFormat(); TranStationSubtitleFormat();