From e8fb50081973bb03083669bc8f4f3417f51b2dff Mon Sep 17 00:00:00 2001 From: Klaus Schmidinger Date: Fri, 6 Sep 2013 12:37:27 +0200 Subject: Fixed displaying DVB subtitles (cont'd) --- dvbsubtitle.c | 1132 +++++++++++++++++++++++++++++++-------------------------- 1 file changed, 624 insertions(+), 508 deletions(-) (limited to 'dvbsubtitle.c') diff --git a/dvbsubtitle.c b/dvbsubtitle.c index 3d8764f6..9e7d8845 100644 --- a/dvbsubtitle.c +++ b/dvbsubtitle.c @@ -7,7 +7,7 @@ * Original author: Marco Schluessler * With some input from the "subtitles plugin" by Pekka Virtanen * - * $Id: dvbsubtitle.c 3.2 2013/08/30 09:40:35 kls Exp $ + * $Id: dvbsubtitle.c 3.3 2013/09/06 12:16:16 kls Exp $ */ #include "dvbsubtitle.h" @@ -25,41 +25,126 @@ #define END_OF_DISPLAY_SET_SEGMENT 0x80 #define STUFFING_SEGMENT 0xFF -// Set these to 'true' for debug output: -static bool DebugConverter = false; -static bool DebugSegments = false; -static bool DebugPages = false; -static bool DebugRegions = false; -static bool DebugObjects = false; -static bool DebugCluts = false; -static bool DebugBitmaps = false; // generates dbg-log.htm and dbg-*.jpg to visualize subtitle handling - -#define dbgconverter(a...) if (DebugConverter) fprintf(stderr, a) -#define dbgsegments(a...) if (DebugSegments) fprintf(stderr, " " a) -#define dbgpages(a...) if (DebugPages) fprintf(stderr, " " a) -#define dbgregions(a...) if (DebugRegions) fprintf(stderr, " " a) -#define dbgobjects(a...) if (DebugObjects) fprintf(stderr, " " a) -#define dbgcluts(a...) if (DebugCluts) fprintf(stderr, " " a) -#define dbgbitmaps(a...) if (DebugBitmaps) fprintf(stderr, " " a) - -static int DbgImgCnt = 0; -static int64_t DbgFirstPts = -1; +// Set these to 'true' for debug output, which is written into the file dbg-log.htm +// in the current working directory. The HTML file shows the actual bitmaps (dbg-nnn.jpg) +// used to display the subtitles. +static bool DebugNormal = false; // shows pages, regions and objects +static bool DebugVerbose = false; // shows everything +static bool DebugDisplay = DebugVerbose || DebugNormal; +static bool DebugPages = DebugVerbose || DebugNormal; +static bool DebugRegions = DebugVerbose || DebugNormal; +static bool DebugObjects = DebugVerbose || DebugNormal; +static bool DebugBitmaps = DebugVerbose || DebugNormal; +static bool DebugConverter = DebugVerbose; +static bool DebugSegments = DebugVerbose; +static bool DebugPixel = DebugVerbose; +static bool DebugCluts = DebugVerbose; +static bool DebugOutput = DebugVerbose; + +#define dbgdisplay(a...) if (DebugDisplay) SD.WriteHtml(a) +#define dbgpages(a...) if (DebugPages) SD.WriteHtml(a) +#define dbgregions(a...) if (DebugRegions) SD.WriteHtml(a) +#define dbgobjects(a...) if (DebugObjects) SD.WriteHtml(a) +#define dbgbitmaps(a...) if (DebugBitmaps) SD.WriteHtml(a) +#define dbgconverter(a...) if (DebugConverter) SD.WriteHtml(a) +#define dbgsegments(a...) if (DebugSegments) SD.WriteHtml(a) +#define dbgpixel(a...) if (DebugPixel) SD.WriteHtml(a) +#define dbgcluts(a...) if (DebugCluts) SD.WriteHtml(a) +#define dbgoutput(a...) if (DebugOutput) SD.WriteHtml(a) + +#define DBGMAXBITMAPS 100 // debug output will be stopped after this many bitmaps +#define DBGBITMAPWIDTH 400 + +// --- cSubtitleDebug -------------------------------------------------------- + +class cSubtitleDebug { +private: + cMutex mutex; + int imgCnt; + int64_t firstPts; + bool newFile; + double factor; +public: + cSubtitleDebug(void) { Reset(); } + void Reset(void); + bool Active(void) { return imgCnt < DBGMAXBITMAPS; } + int64_t FirstPts(void) { return firstPts; } + void SetFirstPts(int64_t FirstPts) { if (firstPts < 0) firstPts = FirstPts; } + void SetFactor(double Factor) { factor = Factor; } + cString WriteJpeg(const cBitmap *Bitmap, int MaxX = 0, int MaxY = 0); + void WriteHtml(const char *Format, ...); + }; + +void cSubtitleDebug::Reset(void) +{ + imgCnt = 0; + firstPts = -1; + newFile = true; + factor = 1.0; +} + +cString cSubtitleDebug::WriteJpeg(const cBitmap *Bitmap, int MaxX, int MaxY) +{ + if (!Active()) + return NULL; + cMutexLock MutexLock(&mutex); + cBitmap *Scaled = Bitmap->Scaled(factor, factor, true); + int w = MaxX ? int(round(MaxX * factor)) : Scaled->Width(); + int h = MaxY ? int(round(MaxY * factor)) : Scaled->Height(); + uchar mem[w * h * 3]; + for (int x = 0; x < w; x++) { + for (int y = 0; y < h; y++) { + tColor c = Scaled->GetColor(x, y); + int o = (y * w + x) * 3; + mem[o++] = (c & 0x00FF0000) >> 16; + mem[o++] = (c & 0x0000FF00) >> 8; + mem[o] = (c & 0x000000FF); + } + } + delete Scaled; + int Size = 0; + uchar *Jpeg = RgbToJpeg(mem, w, h, Size); + cString ImgName = cString::sprintf("dbg-%03d.jpg", imgCnt++); + int f = open(ImgName, O_WRONLY | O_CREAT, DEFFILEMODE); + if (write(f, Jpeg, Size) < 0) + LOG_ERROR_STR(*ImgName); + close(f); + free(Jpeg); + return ImgName; +} + +void cSubtitleDebug::WriteHtml(const char *Format, ...) +{ + if (!Active()) + return; + cMutexLock MutexLock(&mutex); + FILE *f = fopen("dbg-log.htm", newFile ? "w" : "a"); + va_list ap; + va_start(ap, Format); + vfprintf(f, Format, ap); + va_end(ap); + fclose(f); + newFile = false; +} + +static cSubtitleDebug SD; // --- cSubtitleClut --------------------------------------------------------- class cSubtitleClut : public cListObject { private: int clutId; - int version; + int clutVersionNumber; cPalette palette2; cPalette palette4; cPalette palette8; + tColor yuv2rgb(int Y, int Cb, int Cr); + void SetColor(int Bpp, int Index, tColor Color); public: cSubtitleClut(int ClutId); + void Parse(cBitStream &bs); int ClutId(void) { return clutId; } - int Version(void) { return version; } - void SetVersion(int Version) { version = Version; } - void SetColor(int Bpp, int Index, tColor Color); + int ClutVersionNumber(void) { return clutVersionNumber; } const cPalette *GetPalette(int Bpp); }; @@ -70,7 +155,7 @@ cSubtitleClut::cSubtitleClut(int ClutId) { int a = 0, r = 0, g = 0, b = 0; clutId = ClutId; - version = -1; + clutVersionNumber = -1; // ETSI EN 300 743 10.3: 4-entry CLUT default contents palette2.SetColor(0, ArgbToColor( 0, 0, 0, 0)); palette2.SetColor(1, ArgbToColor(255, 255, 255, 255)); @@ -132,6 +217,67 @@ cSubtitleClut::cSubtitleClut(int ClutId) } } +void cSubtitleClut::Parse(cBitStream &bs) +{ + int Version = bs.GetBits(4); + if (clutVersionNumber == Version) + return; // no update + clutVersionNumber = Version; + bs.SkipBits(4); // reserved + dbgcluts("clut id %d version %d
\n", clutId, clutVersionNumber); + while (!bs.IsEOF()) { + uchar clutEntryId = bs.GetBits(8); + bool entryClut2Flag = bs.GetBit(); + bool entryClut4Flag = bs.GetBit(); + bool entryClut8Flag = bs.GetBit(); + bs.SkipBits(4); // reserved + uchar yval; + uchar crval; + uchar cbval; + uchar tval; + if (bs.GetBit()) { // full_range_flag + yval = bs.GetBits(8); + crval = bs.GetBits(8); + cbval = bs.GetBits(8); + tval = bs.GetBits(8); + } + else { + yval = bs.GetBits(6) << 2; + crval = bs.GetBits(4) << 4; + cbval = bs.GetBits(4) << 4; + tval = bs.GetBits(2) << 6; + } + tColor value = 0; + if (yval) { + value = yuv2rgb(yval, cbval, crval); + value |= ((10 - (clutEntryId ? Setup.SubtitleFgTransparency : Setup.SubtitleBgTransparency)) * (255 - tval) / 10) << 24; + } + dbgcluts("%2d %d %d %d %08X
\n", clutEntryId, entryClut2Flag ? 2 : 0, entryClut4Flag ? 4 : 0, entryClut8Flag ? 8 : 0, value); + if (entryClut2Flag) + SetColor(2, clutEntryId, value); + if (entryClut4Flag) + SetColor(4, clutEntryId, value); + if (entryClut8Flag) + SetColor(8, clutEntryId, value); + } +} + +tColor cSubtitleClut::yuv2rgb(int Y, int Cb, int Cr) +{ + int Ey, Epb, Epr; + int Eg, Eb, Er; + + Ey = (Y - 16); + Epb = (Cb - 128); + Epr = (Cr - 128); + /* ITU-R 709 */ + Er = constrain((298 * Ey + 460 * Epr) / 256, 0, 255); + Eg = constrain((298 * Ey - 55 * Epb - 137 * Epr) / 256, 0, 255); + Eb = constrain((298 * Ey + 543 * Epb ) / 256, 0, 255); + + return (Er << 16) | (Eg << 8) | Eb; +} + void cSubtitleClut::SetColor(int Bpp, int Index, tColor Color) { switch (Bpp) { @@ -158,54 +304,97 @@ const cPalette *cSubtitleClut::GetPalette(int Bpp) class cSubtitleObject : public cListObject { private: int objectId; - int version; - int codingMethod; + int objectVersionNumber; + int objectCodingMethod; bool nonModifyingColorFlag; - uchar backgroundPixelCode; - uchar foregroundPixelCode; - int providerFlag; - int px; - int py; - cBitmap *bitmap; - char textData[Utf8BufSize(256)]; // number of character codes is an 8-bit field - void DrawLine(int x, int y, tIndex Index, int Length); - bool Decode2BppCodeString(cBitStream *bs, int&x, int y, const uint8_t *MapTable); - bool Decode4BppCodeString(cBitStream *bs, int&x, int y, const uint8_t *MapTable); - bool Decode8BppCodeString(cBitStream *bs, int&x, int y); + int topLength; + int botLength; + uchar *topData; + uchar *botData; + char *txtData; + int lineHeight; + void DrawLine(cBitmap *Bitmap, int x, int y, tIndex Index, int Length); + bool Decode2BppCodeString(cBitmap *Bitmap, int px, int py, cBitStream *bs, int&x, int y, const uint8_t *MapTable); + bool Decode4BppCodeString(cBitmap *Bitmap, int px, int py, cBitStream *bs, int&x, int y, const uint8_t *MapTable); + bool Decode8BppCodeString(cBitmap *Bitmap, int px, int py, cBitStream *bs, int&x, int y); + void DecodeSubBlock(cBitmap *Bitmap, int px, int py, const uchar *Data, int Length, bool Even); + void DecodeCharacterString(const uchar *Data, int NumberOfCodes); public: - cSubtitleObject(int ObjectId, cBitmap *Bitmap); + cSubtitleObject(int ObjectId); + ~cSubtitleObject(); + void Parse(cBitStream &bs); int ObjectId(void) { return objectId; } - int Version(void) { return version; } - int CodingMethod(void) { return codingMethod; } - uchar BackgroundPixelCode(void) { return backgroundPixelCode; } - uchar ForegroundPixelCode(void) { return foregroundPixelCode; } - const char *TextData(void) { return &textData[0]; } - int X(void) { return px; } - int Y(void) { return py; } + int ObjectVersionNumber(void) { return objectVersionNumber; } + int ObjectCodingMethod(void) { return objectCodingMethod; } bool NonModifyingColorFlag(void) { return nonModifyingColorFlag; } - void DecodeCharacterString(const uchar *Data, int NumberOfCodes); - void DecodeSubBlock(const uchar *Data, int Length, bool Even); - void SetVersion(int Version) { version = Version; } - void SetBackgroundPixelCode(uchar BackgroundPixelCode) { backgroundPixelCode = BackgroundPixelCode; } - void SetForegroundPixelCode(uchar ForegroundPixelCode) { foregroundPixelCode = ForegroundPixelCode; } - void SetNonModifyingColorFlag(bool NonModifyingColorFlag) { nonModifyingColorFlag = NonModifyingColorFlag; } - void SetCodingMethod(int CodingMethod) { codingMethod = CodingMethod; } - void SetPosition(int x, int y) { px = x; py = y; } - void SetProviderFlag(int ProviderFlag) { providerFlag = ProviderFlag; } + void Render(cBitmap *Bitmap, int px, int py, tIndex IndexFg, tIndex IndexBg); }; -cSubtitleObject::cSubtitleObject(int ObjectId, cBitmap *Bitmap) +cSubtitleObject::cSubtitleObject(int ObjectId) { objectId = ObjectId; - version = -1; - codingMethod = -1; + objectVersionNumber = -1; + objectCodingMethod = -1; nonModifyingColorFlag = false; - backgroundPixelCode = 0; - foregroundPixelCode = 0; - providerFlag = -1; - px = py = 0; - bitmap = Bitmap; - memset(textData, 0, sizeof(textData)); + topLength = 0; + botLength = 0; + topData = NULL; + botData = NULL; + txtData = NULL; + lineHeight = 26; // configurable subtitling font size? +} + +cSubtitleObject::~cSubtitleObject() +{ + free(topData); + free(botData); + free(txtData); +} + +void cSubtitleObject::Parse(cBitStream &bs) +{ + int Version = bs.GetBits(4); + if (objectVersionNumber == Version) + return; // no update + objectVersionNumber = Version; + objectCodingMethod = bs.GetBits(2); + nonModifyingColorFlag = bs.GetBit(); + bs.SkipBit(); // reserved + dbgobjects("object id %d version %d method %d modify %d", objectId, objectVersionNumber, objectCodingMethod, nonModifyingColorFlag); // no "
\n" here, DecodeCharacterString() may add data + if (objectCodingMethod == 0) { // coding of pixels + topLength = bs.GetBits(16); + botLength = bs.GetBits(16); + free(topData); + if ((topData = MALLOC(uchar, topLength)) != NULL) + memcpy(topData, bs.GetData(), topLength); + else + topLength = 0; + free(botData); + if ((botData = MALLOC(uchar, botLength)) != NULL) + memcpy(botData, bs.GetData() + topLength, botLength); + else + botLength = 0; + bs.WordAlign(); + } + else if (objectCodingMethod == 1) { // coded as a string of characters + int numberOfCodes = bs.GetBits(8); + DecodeCharacterString(bs.GetData(), numberOfCodes); + } + dbgobjects("
\n"); + if (DebugObjects) { + // We can't get the actual clut here, so we use a default one. This may lead to + // funny colors, but we just want to get a rough idea of what's in the object, anyway. + cSubtitleClut Clut(0); + cBitmap b(1920, 1080, 8); + b.Replace(*Clut.GetPalette(b.Bpp())); + b.Clean(); + Render(&b, 0, 0, 0, 1); + int x1, y1, x2, y2; + if (b.Dirty(x1, y1, x2, y2)) { + cString ImgName = SD.WriteJpeg(&b, x2, y2); + dbgobjects("
\n", *ImgName); + } + } } void cSubtitleObject::DecodeCharacterString(const uchar *Data, int NumberOfCodes) @@ -228,15 +417,16 @@ void cSubtitleObject::DecodeCharacterString(const uchar *Data, int NumberOfCodes const uchar *from = (uchar *)txt; int len = NumberOfCodes; const char *CharacterTable = SI::getCharacterTable(from, len, &singleByte); - dbgobjects("%s %d '%s'\n", CharacterTable, singleByte, from); + dbgobjects(" table %s single %d raw '%s'", CharacterTable, singleByte, from); cCharSetConv conv(CharacterTable, cCharSetConv::SystemCharacterTable()); const char *s = conv.Convert((const char *)from); - dbgobjects("converted text: '%s'\n", s); - Utf8Strn0Cpy(textData, s, sizeof(textData)); + dbgobjects(" conv '%s'", s); + free(txtData); + txtData = strdup(s); } } -void cSubtitleObject::DecodeSubBlock(const uchar *Data, int Length, bool Even) +void cSubtitleObject::DecodeSubBlock(cBitmap *Bitmap, int px, int py, const uchar *Data, int Length, bool Even) { int x = 0; int y = Even ? 0 : 1; @@ -248,69 +438,65 @@ void cSubtitleObject::DecodeSubBlock(const uchar *Data, int Length, bool Even) while (!bs.IsEOF()) { switch (bs.GetBits(8)) { case 0x10: - dbgobjects("2-bit / pixel code string\n"); - switch (bitmap->Bpp()) { + dbgpixel("2-bit / pixel code string
\n"); + switch (Bitmap->Bpp()) { case 8: mapTable = map2to8; break; case 4: mapTable = map2to4; break; default: mapTable = NULL; break; } - while (Decode2BppCodeString(&bs, x, y, mapTable) && !bs.IsEOF()) + while (Decode2BppCodeString(Bitmap, px, py, &bs, x, y, mapTable) && !bs.IsEOF()) ; bs.ByteAlign(); break; case 0x11: - dbgobjects("4-bit / pixel code string\n"); - switch (bitmap->Bpp()) { + dbgpixel("4-bit / pixel code string
\n"); + switch (Bitmap->Bpp()) { case 8: mapTable = map4to8; break; default: mapTable = NULL; break; } - while (Decode4BppCodeString(&bs, x, y, mapTable) && !bs.IsEOF()) + while (Decode4BppCodeString(Bitmap, px, py, &bs, x, y, mapTable) && !bs.IsEOF()) ; bs.ByteAlign(); break; case 0x12: - dbgobjects("8-bit / pixel code string\n"); - while (Decode8BppCodeString(&bs, x, y) && !bs.IsEOF()) + dbgpixel("8-bit / pixel code string
\n"); + while (Decode8BppCodeString(Bitmap, px, py, &bs, x, y) && !bs.IsEOF()) ; break; case 0x20: - dbgobjects("sub block 2 to 4 map\n"); - map2to4[0] = bs.GetBits(4); - map2to4[1] = bs.GetBits(4); - map2to4[2] = bs.GetBits(4); - map2to4[3] = bs.GetBits(4); + dbgpixel("sub block 2 to 4 map
\n"); + for (int i = 0; i < 4; ++i) + map2to4[i] = bs.GetBits(4); break; case 0x21: - dbgobjects("sub block 2 to 8 map\n"); + dbgpixel("sub block 2 to 8 map
\n"); for (int i = 0; i < 4; ++i) map2to8[i] = bs.GetBits(8); break; case 0x22: - dbgobjects("sub block 4 to 8 map\n"); + dbgpixel("sub block 4 to 8 map
\n"); for (int i = 0; i < 16; ++i) map4to8[i] = bs.GetBits(8); break; case 0xF0: - dbgobjects("end of object line\n"); + dbgpixel("end of object line
\n"); x = 0; y += 2; break; - default: dbgobjects("unknown sub block %s %d\n", __FUNCTION__, __LINE__); + default: dbgpixel("unknown sub block %s %d
\n", __FUNCTION__, __LINE__); } } } -void cSubtitleObject::DrawLine(int x, int y, tIndex Index, int Length) +void cSubtitleObject::DrawLine(cBitmap *Bitmap, int x, int y, tIndex Index, int Length) { if (nonModifyingColorFlag && Index == 1) return; - x += px; - y += py; for (int pos = x; pos < x + Length; pos++) - bitmap->SetIndex(pos, y, Index); + Bitmap->SetIndex(pos, y, Index); } -bool cSubtitleObject::Decode2BppCodeString(cBitStream *bs, int &x, int y, const uint8_t *MapTable) +bool cSubtitleObject::Decode2BppCodeString(cBitmap *Bitmap, int px, int py, cBitStream *bs, int &x, int y, const uint8_t *MapTable) { int rl = 0; int color = 0; @@ -345,12 +531,12 @@ bool cSubtitleObject::Decode2BppCodeString(cBitStream *bs, int &x, int y, const } if (MapTable) color = MapTable[color]; - DrawLine(x, y, color, rl); + DrawLine(Bitmap, px + x, py + y, color, rl); x += rl; return true; } -bool cSubtitleObject::Decode4BppCodeString(cBitStream *bs, int &x, int y, const uint8_t *MapTable) +bool cSubtitleObject::Decode4BppCodeString(cBitmap *Bitmap, int px, int py, cBitStream *bs, int &x, int y, const uint8_t *MapTable) { int rl = 0; int color = 0; @@ -390,12 +576,12 @@ bool cSubtitleObject::Decode4BppCodeString(cBitStream *bs, int &x, int y, const } if (MapTable) color = MapTable[color]; - DrawLine(x, y, color, rl); + DrawLine(Bitmap, px + x, py + y, color, rl); x += rl; return true; } -bool cSubtitleObject::Decode8BppCodeString(cBitStream *bs, int &x, int y) +bool cSubtitleObject::Decode8BppCodeString(cBitmap *Bitmap, int px, int py, cBitStream *bs, int &x, int y) { int rl = 0; int color = 0; @@ -415,105 +601,203 @@ bool cSubtitleObject::Decode8BppCodeString(cBitStream *bs, int &x, int y) else return false; } - DrawLine(x, y, color, rl); + DrawLine(Bitmap, px + x, py + y, color, rl); x += rl; return true; } +void cSubtitleObject::Render(cBitmap *Bitmap, int px, int py, tIndex IndexFg, tIndex IndexBg) +{ + if (objectCodingMethod == 0) { // coding of pixels + DecodeSubBlock(Bitmap, px, py, topData, topLength, true); + if (botLength) + DecodeSubBlock(Bitmap, px, py, botData, botLength, false); + else + DecodeSubBlock(Bitmap, px, py, topData, topLength, false); + } + else if (objectCodingMethod == 1) { // coded as a string of characters + if (txtData) { + //TODO couldn't we draw the text directly into Bitmap? + cFont *font = cFont::CreateFont(Setup.FontOsd, Setup.FontOsdSize); + cBitmap tmp(font->Width(txtData), font->Height(), Bitmap->Bpp()); + double factor = (double)lineHeight / font->Height(); + tmp.DrawText(0, 0, txtData, Bitmap->Color(IndexFg), Bitmap->Color(IndexBg), font); + cBitmap *scaled = tmp.Scaled(factor, factor, true); + Bitmap->DrawBitmap(px, py, *scaled); + delete scaled; + delete font; + } + } +} + +// --- cSubtitleObjects ------------------------------------------------------ + +class cSubtitleObjects : public cList { +public: + cSubtitleObject *GetObjectById(int ObjectId, bool New = false); + }; + +cSubtitleObject *cSubtitleObjects::GetObjectById(int ObjectId, bool New) +{ + for (cSubtitleObject *so = First(); so; so = Next(so)) { + if (so->ObjectId() == ObjectId) + return so; + } + if (!New) + return NULL; + cSubtitleObject *Object = new cSubtitleObject(ObjectId); + Add(Object); + return Object; +} + +// --- cSubtitleObjectRef ---------------------------------------------------- + +class cSubtitleObjectRef : public cListObject { +private: + int objectId; + int objectType; + int objectProviderFlag; + int objectHorizontalPosition; + int objectVerticalPosition; + int foregroundPixelCode; + int backgroundPixelCode; +public: + cSubtitleObjectRef(cBitStream &bs); + int ObjectId(void) { return objectId; } + int ObjectType(void) { return objectType; } + int ObjectProviderFlag(void) { return objectProviderFlag; } + int ObjectHorizontalPosition(void) { return objectHorizontalPosition; } + int ObjectVerticalPosition(void) { return objectVerticalPosition; } + int ForegroundPixelCode(void) { return foregroundPixelCode; } + int BackgroundPixelCode(void) { return backgroundPixelCode; } + }; + +cSubtitleObjectRef::cSubtitleObjectRef(cBitStream &bs) +{ + objectId = bs.GetBits(16); + objectType = bs.GetBits(2); + objectProviderFlag = bs.GetBits(2); + objectHorizontalPosition = bs.GetBits(12); + bs.SkipBits(4); // reserved + objectVerticalPosition = bs.GetBits(12); + if (objectType == 0x01 || objectType == 0x02) { + foregroundPixelCode = bs.GetBits(8); + backgroundPixelCode = bs.GetBits(8); + } + else { + foregroundPixelCode = 0; + backgroundPixelCode = 0; + } + dbgregions("objectref id %d type %d flag %d x %d y %d fg %d bg %d
\n", objectId, objectType, objectProviderFlag, objectHorizontalPosition, objectVerticalPosition, foregroundPixelCode, backgroundPixelCode); +} + // --- cSubtitleRegion ------------------------------------------------------- -class cSubtitleRegion : public cListObject, public cBitmap { +class cSubtitleRegion : public cListObject { private: int regionId; - int version; + int regionVersionNumber; + bool regionFillFlag; + int regionWidth; + int regionHeight; + int regionLevelOfCompatibility; + int regionDepth; int clutId; - int horizontalAddress; - int verticalAddress; - int level; - int lineHeight; - cList objects; + int region8bitPixelCode; + int region4bitPixelCode; + int region2bitPixelCode; + cList objectRefs; public: cSubtitleRegion(int RegionId); + void Parse(cBitStream &bs); int RegionId(void) { return regionId; } - int Version(void) { return version; } + int RegionVersionNumber(void) { return regionVersionNumber; } + bool RegionFillFlag(void) { return regionFillFlag; } + int RegionWidth(void) { return regionWidth; } + int RegionHeight(void) { return regionHeight; } + int RegionLevelOfCompatibility(void) { return regionLevelOfCompatibility; } + int RegionDepth(void) { return regionDepth; } int ClutId(void) { return clutId; } - int Level(void) { return level; } - int Depth(void) { return Bpp(); } - void FillRegion(tIndex Index); - cSubtitleObject *GetObjectById(int ObjectId, bool New = false); - int HorizontalAddress(void) { return horizontalAddress; } - int VerticalAddress(void) { return verticalAddress; } - void SetVersion(int Version) { version = Version; } - void SetClutId(int ClutId) { clutId = ClutId; } - void SetLevel(int Level); - void SetDepth(int Depth); - void SetHorizontalAddress(int HorizontalAddress) { horizontalAddress = HorizontalAddress; } - void SetVerticalAddress(int VerticalAddress) { verticalAddress = VerticalAddress; } - void UpdateTextData(cSubtitleClut *Clut); + void Render(cBitmap *Bitmap, cSubtitleObjects *Objects); }; cSubtitleRegion::cSubtitleRegion(int RegionId) -:cBitmap(1, 1, 4) { regionId = RegionId; - version = -1; + regionVersionNumber = -1; + regionFillFlag = false; + regionWidth = 0; + regionHeight = 0; + regionLevelOfCompatibility = 0; + regionDepth = 0; clutId = -1; - horizontalAddress = 0; - verticalAddress = 0; - level = 0; - lineHeight = 26; // configurable subtitling font size + region8bitPixelCode = 0; + region4bitPixelCode = 0; + region2bitPixelCode = 0; } -void cSubtitleRegion::FillRegion(tIndex Index) +void cSubtitleRegion::Parse(cBitStream &bs) { - dbgregions("fill region %d\n", Index); - for (int y = 0; y < Height(); y++) { - for (int x = 0; x < Width(); x++) - SetIndex(x, y, Index); - } + int Version = bs.GetBits(4); + if (regionVersionNumber == Version) + return; // no update + regionVersionNumber = Version; + regionFillFlag = bs.GetBit(); + bs.SkipBits(3); // reserved + regionWidth = bs.GetBits(16); + regionHeight = bs.GetBits(16); + regionLevelOfCompatibility = 1 << bs.GetBits(3); // stored as "number of bits per pixel" + regionDepth = 1 << bs.GetBits(3); // stored as "number of bits per pixel" + bs.SkipBits(2); // reserved + clutId = bs.GetBits(8); + region8bitPixelCode = bs.GetBits(8); + region4bitPixelCode = bs.GetBits(4); + region2bitPixelCode = bs.GetBits(2); + bs.SkipBits(2); // reserved + dbgregions("region id %d version %d fill %d width %d height %d level %d depth %d clutId %d
\n", regionId, regionVersionNumber, regionFillFlag, regionWidth, regionHeight, regionLevelOfCompatibility, regionDepth, clutId); + // no objectRefs.Clear() here! + while (!bs.IsEOF()) + objectRefs.Add(new cSubtitleObjectRef(bs)); } -cSubtitleObject *cSubtitleRegion::GetObjectById(int ObjectId, bool New) +void cSubtitleRegion::Render(cBitmap *Bitmap, cSubtitleObjects *Objects) { - cSubtitleObject *result = NULL; - for (cSubtitleObject *so = objects.First(); so; so = objects.Next(so)) { - if (so->ObjectId() == ObjectId) - result = so; - } - if (!result && New) { - result = new cSubtitleObject(ObjectId, this); - objects.Add(result); + if (regionFillFlag) { + switch (Bitmap->Bpp()) { + case 2: Bitmap->Fill(region2bitPixelCode); break; + case 4: Bitmap->Fill(region4bitPixelCode); break; + case 8: Bitmap->Fill(region8bitPixelCode); break; + default: dbgregions("unknown bpp %d (%s %d)
\n", Bitmap->Bpp(), __FUNCTION__, __LINE__); + } } - return result; -} - -void cSubtitleRegion::UpdateTextData(cSubtitleClut *Clut) -{ - const cPalette *palette = Clut ? Clut->GetPalette(Depth()) : NULL; - for (cSubtitleObject *so = objects.First(); so && palette; so = objects.Next(so)) { - if (*so->TextData()) { - cFont *font = cFont::CreateFont(Setup.FontOsd, Setup.FontOsdSize); - cBitmap tmp(font->Width(so->TextData()), font->Height(), Depth()); - double factor = (double)lineHeight / font->Height(); - tmp.DrawText(0, 0, so->TextData(), palette->Color(so->ForegroundPixelCode()), palette->Color(so->BackgroundPixelCode()), font); - cBitmap *scaled = tmp.Scaled(factor, factor, true); - DrawBitmap(so->X(), so->Y(), *scaled); - delete scaled; - delete font; + for (cSubtitleObjectRef *sor = objectRefs.First(); sor; sor = objectRefs.Next(sor)) { + if (cSubtitleObject *so = Objects->GetObjectById(sor->ObjectId())) { + so->Render(Bitmap, sor->ObjectHorizontalPosition(), sor->ObjectVerticalPosition(), sor->ForegroundPixelCode(), sor->BackgroundPixelCode()); } } } -void cSubtitleRegion::SetLevel(int Level) -{ - if (Level > 0 && Level < 4) - level = 1 << Level; -} +// --- cSubtitleRegionRef ---------------------------------------------------- -void cSubtitleRegion::SetDepth(int Depth) +class cSubtitleRegionRef : public cListObject { +private: + int regionId; + int regionHorizontalAddress; + int regionVerticalAddress; +public: + cSubtitleRegionRef(cBitStream &bs); + int RegionId(void) { return regionId; } + int RegionHorizontalAddress(void) { return regionHorizontalAddress; } + int RegionVerticalAddress(void) { return regionVerticalAddress; } + }; + +cSubtitleRegionRef::cSubtitleRegionRef(cBitStream &bs) { - if (Depth > 0 && Depth < 4) - SetBpp(1 << Depth); + regionId = bs.GetBits(8); + bs.SkipBits(8); // reserved + regionHorizontalAddress = bs.GetBits(16); + regionVerticalAddress = bs.GetBits(16); + dbgpages("regionref id %d tx %d y %d
\n", regionId, regionHorizontalAddress, regionVerticalAddress); } // --- cDvbSubtitlePage ------------------------------------------------------ @@ -521,123 +805,132 @@ void cSubtitleRegion::SetDepth(int Depth) class cDvbSubtitlePage : public cListObject { private: int pageId; - int version; - int state; + int pageTimeout; + int pageVersionNumber; + int pageState; int64_t pts; - int timeout; bool pending; + cSubtitleObjects objects; cList cluts; -public: cList regions; + cList regionRefs; +public: cDvbSubtitlePage(int PageId); - virtual ~cDvbSubtitlePage(); + void Parse(int64_t Pts, cBitStream &bs); int PageId(void) { return pageId; } - int Version(void) { return version; } - int State(void) { return state; } - tArea *GetAreas(double FactorX, double FactorY); - cSubtitleClut *GetClutById(int ClutId, bool New = false); - cSubtitleObject *GetObjectById(int ObjectId); - cSubtitleRegion *GetRegionById(int RegionId, bool New = false); + int PageTimeout(void) { return pageTimeout; } + int PageVersionNumber(void) { return pageVersionNumber; } + int PageState(void) { return pageState; } int64_t Pts(void) const { return pts; } - int Timeout(void) { return timeout; } bool Pending(void) { return pending; } - void SetVersion(int Version) { version = Version; } - void SetPts(int64_t Pts) { pts = Pts; } - void SetState(int State); - void SetTimeout(int Timeout) { timeout = Timeout; } + cSubtitleObjects *Objects(void) { return &objects; } + tArea *GetAreas(int &NumAreas, double FactorX, double FactorY); + cSubtitleObject *GetObjectById(int ObjectId, bool New = false); + cSubtitleClut *GetClutById(int ClutId, bool New = false); + cSubtitleRegion *GetRegionById(int RegionId, bool New = false); + cSubtitleRegionRef *GetRegionRefByIndex(int RegionRefIndex) { return regionRefs.Get(RegionRefIndex); } void SetPending(bool Pending) { pending = Pending; } }; cDvbSubtitlePage::cDvbSubtitlePage(int PageId) { pageId = PageId; - version = -1; - state = -1; + pageTimeout = 0; + pageVersionNumber = -1; + pageState = -1; pts = -1; - timeout = 0; pending = false; } -cDvbSubtitlePage::~cDvbSubtitlePage() +void cDvbSubtitlePage::Parse(int64_t Pts, cBitStream &bs) { + if (Pts >= 0) + pts = Pts; + pageTimeout = bs.GetBits(8); + int Version = bs.GetBits(4); + if (pageVersionNumber == Version) + return; // no update + pageVersionNumber = Version; + pageState = bs.GetBits(2); + switch (pageState) { + case 0: // normal case - page update + break; + case 1: // acquisition point - page refresh + regions.Clear(); + objects.Clear(); + break; + case 2: // mode change - new page + regions.Clear(); + cluts.Clear(); + objects.Clear(); + break; + case 3: // reserved + break; + default: dbgpages("unknown page state: %d
\n", pageState); + } + bs.SkipBits(2); // reserved + dbgpages("
\npage id %d version %d pts %"PRId64" timeout %d state %d
\n", pageId, pageVersionNumber, pts, pageTimeout, pageState); + regionRefs.Clear(); + while (!bs.IsEOF()) + regionRefs.Add(new cSubtitleRegionRef(bs)); + pending = true; } -tArea *cDvbSubtitlePage::GetAreas(double FactorX, double FactorY) +tArea *cDvbSubtitlePage::GetAreas(int &NumAreas, double FactorX, double FactorY) { if (regions.Count() > 0) { - tArea *Areas = new tArea[regions.Count()]; + NumAreas = regionRefs.Count(); + tArea *Areas = new tArea[NumAreas]; tArea *a = Areas; - for (cSubtitleRegion *sr = regions.First(); sr; sr = regions.Next(sr)) { - a->x1 = int(round(FactorX * sr->HorizontalAddress())); - a->y1 = int(round(FactorY * sr->VerticalAddress())); - a->x2 = int(round(FactorX * (sr->HorizontalAddress() + sr->Width() - 1))); - a->y2 = int(round(FactorY * (sr->VerticalAddress() + sr->Height() - 1))); - a->bpp = sr->Bpp(); - while ((a->Width() & 3) != 0) - a->x2++; // aligns width to a multiple of 4, so 2, 4 and 8 bpp will work + for (cSubtitleRegionRef *srr = regionRefs.First(); srr; srr = regionRefs.Next(srr)) { + if (cSubtitleRegion *sr = GetRegionById(srr->RegionId())) { + a->x1 = int(round(FactorX * srr->RegionHorizontalAddress())); + a->y1 = int(round(FactorY * srr->RegionVerticalAddress())); + a->x2 = int(round(FactorX * (srr->RegionHorizontalAddress() + sr->RegionWidth() - 1))); + a->y2 = int(round(FactorY * (srr->RegionVerticalAddress() + sr->RegionHeight() - 1))); + a->bpp = sr->RegionDepth(); + while ((a->Width() & 3) != 0) + a->x2++; // aligns width to a multiple of 4, so 2, 4 and 8 bpp will work + } + else + a->x1 = a->y1 = a->x2 = a->y2 = a->bpp = 0; a++; } return Areas; } + NumAreas = 0; return NULL; } cSubtitleClut *cDvbSubtitlePage::GetClutById(int ClutId, bool New) { - cSubtitleClut *result = NULL; for (cSubtitleClut *sc = cluts.First(); sc; sc = cluts.Next(sc)) { if (sc->ClutId() == ClutId) - result = sc; + return sc; } - if (!result && New) { - result = new cSubtitleClut(ClutId); - cluts.Add(result); - } - return result; + if (!New) + return NULL; + cSubtitleClut *Clut = new cSubtitleClut(ClutId); + cluts.Add(Clut); + return Clut; } cSubtitleRegion *cDvbSubtitlePage::GetRegionById(int RegionId, bool New) { - cSubtitleRegion *result = NULL; for (cSubtitleRegion *sr = regions.First(); sr; sr = regions.Next(sr)) { if (sr->RegionId() == RegionId) - result = sr; + return sr; } - if (!result && New) { - result = new cSubtitleRegion(RegionId); - regions.Add(result); - } - return result; + if (!New) + return NULL; + cSubtitleRegion *Region = new cSubtitleRegion(RegionId); + regions.Add(Region); + return Region; } -cSubtitleObject *cDvbSubtitlePage::GetObjectById(int ObjectId) +cSubtitleObject *cDvbSubtitlePage::GetObjectById(int ObjectId, bool New) { - cSubtitleObject *result = NULL; - for (cSubtitleRegion *sr = regions.First(); sr && !result; sr = regions.Next(sr)) - result = sr->GetObjectById(ObjectId); - return result; -} - -void cDvbSubtitlePage::SetState(int State) -{ - state = State; - switch (state) { - case 0: // normal case - page update - dbgpages("page update\n"); - break; - case 1: // acquisition point - page refresh - dbgpages("page refresh\n"); - regions.Clear(); - break; - case 2: // mode change - new page - dbgpages("new page\n"); - regions.Clear(); - cluts.Clear(); - break; - case 3: // reserved - break; - default: dbgpages("unknown page state (%s %d)\n", __FUNCTION__, __LINE__); - } + return objects.GetObjectById(ObjectId, New); } // --- cDvbSubtitleAssembler ------------------------------------------------- @@ -735,9 +1028,9 @@ public: int64_t Pts(void) { return pts; } int Timeout(void) { return timeout; } void AddBitmap(cBitmap *Bitmap); + bool HasBitmaps(void) { return bitmaps.Size(); } void Draw(cOsd *Osd); - void DbgDrawJpeg(const char *FileName, int Width, int Height, double Factor); - static void DbgPrintBitmap(cDvbSubtitleBitmaps *Bitmaps, int WindowWidth, int WindowHeight); + void DbgDump(int WindowWidth, int WindowHeight); }; cDvbSubtitleBitmaps::cDvbSubtitleBitmaps(int State, int64_t Pts, int Timeout, tArea *Areas, int NumAreas, double OsdFactorX, double OsdFactorY) @@ -793,71 +1086,35 @@ void cDvbSubtitleBitmaps::Draw(cOsd *Osd) } } -void cDvbSubtitleBitmaps::DbgDrawJpeg(const char *FileName, int Width, int Height, double Factor) +void cDvbSubtitleBitmaps::DbgDump(int WindowWidth, int WindowHeight) { - uchar mem[Width * Height * 3]; - memset(mem, 0, sizeof(mem)); - for (int i = 0; i < bitmaps.Size(); i++) { - cBitmap *b = bitmaps[i]->Scaled(Factor, Factor, true); - int x0 = b->X0() * Factor; - int y0 = b->Y0() * Factor; - for (int x = 0; x < b->Width(); x++) { - for (int y = 0; y < b->Height(); y++) { - tColor c = b->GetColor(x, y); - int o = ((y0 + y) * Width + x0 + x) * 3; - mem[o++] = (c & 0x00FF0000) >> 16; - mem[o++] = (c & 0x0000FF00) >> 8; - mem[o] = (c & 0x000000FF); - } - } - delete b; - } - int Size = 0; - uchar *jpeg = RgbToJpeg(mem, Width, Height, Size); - int f = open(FileName, O_WRONLY | O_CREAT, DEFFILEMODE); - if (write(f, jpeg, Size) < 0) - LOG_ERROR_STR(FileName); - close(f); -} - -void cDvbSubtitleBitmaps::DbgPrintBitmap(cDvbSubtitleBitmaps *Bitmap, int WindowWidth, int WindowHeight) -{ -#define DBGMAXBITMAPS 100 -#define DBGBITMAPWIDTH 300 - if (DbgImgCnt > DBGMAXBITMAPS) - return; // sanity check - don't flood the disk - if (!Bitmap) - return; - double fac = double(DBGBITMAPWIDTH) / WindowWidth; - int w = WindowWidth * fac; - int h = WindowHeight * fac; - if (w <= 0 || h <= 0) + if (!SD.Active()) return; - const char *Mode = "a"; - if (DbgFirstPts < 0) { - DbgFirstPts = Bitmap->Pts(); - Mode = "w"; - } - FILE *f = fopen("dbg-log.htm", Mode); - double STC = double(cDevice::PrimaryDevice()->GetSTC() - DbgFirstPts) / 90000; - double Start = double(Bitmap->Pts() - DbgFirstPts) / 90000; - double Duration = Bitmap->Timeout(); + SD.SetFirstPts(Pts()); + double STC = double(cDevice::PrimaryDevice()->GetSTC() - SD.FirstPts()) / 90000; + double Start = double(Pts() - SD.FirstPts()) / 90000; + double Duration = Timeout(); double End = Start + Duration; - cString ImgName = cString::sprintf("dbg-%03d.jpg", DbgImgCnt++); - Bitmap->DbgDrawJpeg(ImgName, w, h, fac); + cBitmap Bitmap(WindowWidth, WindowHeight, 8); +#define DBGBACKGROUND 0xA0A0A0 + Bitmap.DrawRectangle(0, 0, WindowWidth - 1, WindowHeight - 1, DBGBACKGROUND); + for (int i = 0; i < bitmaps.Size(); i++) { + cBitmap *b = bitmaps[i]; + Bitmap.DrawBitmap(b->X0(), b->Y0(), *b); + } + cString ImgName = SD.WriteJpeg(&Bitmap); #define BORDER //" border=1" - fprintf(f, "state = %d (%s)
", Bitmap->State(), Bitmap->State() == 0 ? "page update" : Bitmap->State() == 1 ? "page refresh" : Bitmap->State() == 2 ? "new page" : "???"); - fprintf(f, ""); - fprintf(f, "%.2f", STC); - fprintf(f, ""); - fprintf(f, "", *ImgName); - fprintf(f, ""); - fprintf(f, "%.2f", Start); - fprintf(f, "%.2f", Duration); - fprintf(f, "%.2f", End); - fprintf(f, ""); - fprintf(f, "

\n"); - fclose(f); + SD.WriteHtml("

%s
", State() == 0 ? "page update" : State() == 1 ? "page refresh" : State() == 2 ? "new page" : "???"); + SD.WriteHtml(""); + SD.WriteHtml("%.2f", STC); + SD.WriteHtml(""); + SD.WriteHtml("", *ImgName); + SD.WriteHtml(""); + SD.WriteHtml("%.2f", Start); + SD.WriteHtml("%.2f", Duration); + SD.WriteHtml("%.2f", End); + SD.WriteHtml(""); + SD.WriteHtml("\n"); } // --- cDvbSubtitleConverter ------------------------------------------------- @@ -877,8 +1134,7 @@ cDvbSubtitleConverter::cDvbSubtitleConverter(void) windowVerticalOffset = 0; pages = new cList; bitmaps = new cList; - DbgImgCnt = 0; - DbgFirstPts = -1; + SD.Reset(); Start(); } @@ -898,7 +1154,7 @@ void cDvbSubtitleConverter::SetupChanged(void) void cDvbSubtitleConverter::Reset(void) { - dbgconverter("converter reset -----------------------\n"); + dbgconverter("converter reset -----------------------
\n"); dvbSubtitleAssembler->Reset(); Lock(); pages->Clear(); @@ -930,7 +1186,7 @@ int cDvbSubtitleConverter::ConvertFragments(const uchar *Data, int Length) if (Length > PayloadOffset + SubstreamHeaderLength) { int64_t pts = PesHasPts(Data) ? PesGetPts(Data) : -1; if (pts >= 0) - dbgconverter("converter PTS: %"PRId64"\n", pts); + dbgconverter("converter PTS: %"PRId64"
\n", pts); const uchar *data = Data + PayloadOffset + SubstreamHeaderLength; // skip substream header int length = Length - PayloadOffset - SubstreamHeaderLength; // skip substream header if (ResetSubtitleAssembler) @@ -966,7 +1222,7 @@ int cDvbSubtitleConverter::Convert(const uchar *Data, int Length) if (Length > PayloadOffset) { int64_t pts = PesHasPts(Data) ? PesGetPts(Data) : -1; if (pts >= 0) - dbgconverter("converter PTS: %"PRId64"\n", pts); + dbgconverter("converter PTS: %"PRId64"
\n", pts); const uchar *data = Data + PayloadOffset; int length = Length - PayloadOffset; if (length > 3) { @@ -1006,7 +1262,7 @@ void cDvbSubtitleConverter::Action(void) if (osd) { int NewSetupLevel = setupLevel; if (Timeout.TimedOut() || LastSetupLevel != NewSetupLevel) { - dbgbitmaps("closing osd\n"); + dbgoutput("closing osd
\n"); DELETENULL(osd); } LastSetupLevel = NewSetupLevel; @@ -1024,16 +1280,20 @@ void cDvbSubtitleConverter::Action(void) Delta /= 90; // STC and PTS are in 1/90000s if (Delta >= 0) { // found a bitmap that shall be displayed... if (Delta < sb->Timeout() * 1000) { // ...and has not timed out yet - if (AssertOsd()) { - dbgbitmaps("showing bitmap #%d of %d\n", sb->Index() + 1, bitmaps->Count()); + if (!sb->HasBitmaps()) { + Timeout.Set(); + WaitMs = 0; + } + else if (AssertOsd()) { + dbgoutput("showing bitmap #%d of %d
\n", sb->Index() + 1, bitmaps->Count()); sb->Draw(osd); Timeout.Set(sb->Timeout() * 1000); - dbgconverter("PTS: %"PRId64" STC: %"PRId64" (%"PRId64") timeout: %d\n", sb->Pts(), STC, Delta, sb->Timeout()); + dbgconverter("PTS: %"PRId64" STC: %"PRId64" (%"PRId64") timeout: %d
\n", sb->Pts(), STC, Delta, sb->Timeout()); } } else WaitMs = 0; // bitmap already timed out, so try next one immediately - dbgbitmaps("deleting bitmap #%d of %d\n", sb->Index() + 1, bitmaps->Count()); + dbgoutput("deleting bitmap #%d of %d
\n", sb->Index() + 1, bitmaps->Count()); bitmaps->Del(sb); break; } @@ -1043,22 +1303,6 @@ void cDvbSubtitleConverter::Action(void) } } -tColor cDvbSubtitleConverter::yuv2rgb(int Y, int Cb, int Cr) -{ - int Ey, Epb, Epr; - int Eg, Eb, Er; - - Ey = (Y - 16); - Epb = (Cb - 128); - Epr = (Cr - 128); - /* ITU-R 709 */ - Er = constrain((298 * Ey + 460 * Epr) / 256, 0, 255); - Eg = constrain((298 * Ey - 55 * Epb - 137 * Epr) / 256, 0, 255); - Eb = constrain((298 * Ey + 543 * Epb ) / 256, 0, 255); - - return (Er << 16) | (Eg << 8) | Eb; -} - void cDvbSubtitleConverter::SetOsdData(void) { int OsdWidth, OsdHeight; @@ -1089,6 +1333,19 @@ bool cDvbSubtitleConverter::AssertOsd(void) return osd != NULL; } +cDvbSubtitlePage *cDvbSubtitleConverter::GetPageById(int PageId, bool New) +{ + for (cDvbSubtitlePage *sp = pages->First(); sp; sp = pages->Next(sp)) { + if (sp->PageId() == PageId) + return sp; + } + if (!New) + return NULL; + cDvbSubtitlePage *Page = new cDvbSubtitlePage(PageId); + pages->Add(Page); + return Page; +} + int cDvbSubtitleConverter::ExtractSegment(const uchar *Data, int Length, int64_t Pts) { cBitStream bs(Data, Length * 8); @@ -1096,179 +1353,42 @@ int cDvbSubtitleConverter::ExtractSegment(const uchar *Data, int Length, int64_t int segmentType = bs.GetBits(8); if (segmentType == STUFFING_SEGMENT) return -1; - int pageId = bs.GetBits(16); + LOCK_THREAD; + cDvbSubtitlePage *page = GetPageById(bs.GetBits(16), true); int segmentLength = bs.GetBits(16); if (!bs.SetLength(bs.Index() + segmentLength * 8)) return -1; - cDvbSubtitlePage *page = NULL; - LOCK_THREAD; - for (cDvbSubtitlePage *sp = pages->First(); sp; sp = pages->Next(sp)) { - if (sp->PageId() == pageId) { - page = sp; - break; - } - } - if (!page) { - page = new cDvbSubtitlePage(pageId); - pages->Add(page); - dbgpages("create page %d (total pages = %d)\n", pageId, pages->Count()); - } switch (segmentType) { case PAGE_COMPOSITION_SEGMENT: { if (page->Pending()) { - dbgsegments("END_OF_DISPLAY_SET_SEGMENT (simulated)\n"); + dbgsegments("END_OF_DISPLAY_SET_SEGMENT (simulated)
\n"); FinishPage(page); } - dbgsegments("PAGE_COMPOSITION_SEGMENT\n"); - if (Pts >= 0) - page->SetPts(Pts); - int pageTimeout = bs.GetBits(8); - int pageVersion = bs.GetBits(4); - if (pageVersion == page->Version()) - break; // no update - page->SetVersion(pageVersion); - page->SetTimeout(pageTimeout); - page->SetState(bs.GetBits(2)); - bs.SkipBits(2); // reserved - dbgpages("update page id %d version %d pts %"PRId64" timeout %d state %d\n", pageId, page->Version(), page->Pts(), page->Timeout(), page->State()); - while (!bs.IsEOF()) { - cSubtitleRegion *region = page->GetRegionById(bs.GetBits(8), true); - bs.SkipBits(8); // reserved - region->SetHorizontalAddress(bs.GetBits(16)); - region->SetVerticalAddress(bs.GetBits(16)); - dbgregions("region id %d x %d y %d\n", region->RegionId(), region->HorizontalAddress(), region->VerticalAddress()); - } - page->SetPending(true); + dbgsegments("PAGE_COMPOSITION_SEGMENT
\n"); + page->Parse(Pts, bs); + SD.SetFactor(double(DBGBITMAPWIDTH) / windowWidth); break; } case REGION_COMPOSITION_SEGMENT: { - dbgsegments("REGION_COMPOSITION_SEGMENT\n"); - cSubtitleRegion *region = page->GetRegionById(bs.GetBits(8)); - if (!region) - break; - int regionVersion = bs.GetBits(4); - if (regionVersion == region->Version()) - break; // no update - region->SetVersion(regionVersion); - bool regionFillFlag = bs.GetBit(); - bs.SkipBits(3); // reserved - int regionWidth = bs.GetBits(16); - if (regionWidth < 1) - regionWidth = 1; - int regionHeight = bs.GetBits(16); - if (regionHeight < 1) - regionHeight = 1; - region->SetSize(regionWidth, regionHeight); - region->SetLevel(bs.GetBits(3)); - region->SetDepth(bs.GetBits(3)); - bs.SkipBits(2); // reserved - region->SetClutId(bs.GetBits(8)); - dbgregions("region pageId %d id %d version %d fill %d width %d height %d level %d depth %d clutId %d\n", pageId, region->RegionId(), region->Version(), regionFillFlag, regionWidth, regionHeight, region->Level(), region->Depth(), region->ClutId()); - int region8bitPixelCode = bs.GetBits(8); - int region4bitPixelCode = bs.GetBits(4); - int region2bitPixelCode = bs.GetBits(2); - bs.SkipBits(2); // reserved - if (regionFillFlag) { - switch (region->Bpp()) { - case 2: region->FillRegion(region2bitPixelCode); break; - case 4: region->FillRegion(region4bitPixelCode); break; - case 8: region->FillRegion(region8bitPixelCode); break; - default: dbgregions("unknown bpp %d (%s %d)\n", region->Bpp(), __FUNCTION__, __LINE__); - } - } - while (!bs.IsEOF()) { - cSubtitleObject *object = region->GetObjectById(bs.GetBits(16), true); - int objectType = bs.GetBits(2); - object->SetCodingMethod(objectType); - object->SetProviderFlag(bs.GetBits(2)); - int objectHorizontalPosition = bs.GetBits(12); - bs.SkipBits(4); // reserved - int objectVerticalPosition = bs.GetBits(12); - object->SetPosition(objectHorizontalPosition, objectVerticalPosition); - if (objectType == 0x01 || objectType == 0x02) { - object->SetForegroundPixelCode(bs.GetBits(8)); - object->SetBackgroundPixelCode(bs.GetBits(8)); - } - } + dbgsegments("REGION_COMPOSITION_SEGMENT
\n"); + cSubtitleRegion *region = page->GetRegionById(bs.GetBits(8), true); + region->Parse(bs); break; } case CLUT_DEFINITION_SEGMENT: { - dbgsegments("CLUT_DEFINITION_SEGMENT\n"); + dbgsegments("CLUT_DEFINITION_SEGMENT
\n"); cSubtitleClut *clut = page->GetClutById(bs.GetBits(8), true); - int clutVersion = bs.GetBits(4); - if (clutVersion == clut->Version()) - break; // no update - clut->SetVersion(clutVersion); - bs.SkipBits(4); // reserved - dbgcluts("clut pageId %d id %d version %d\n", pageId, clut->ClutId(), clut->Version()); - while (!bs.IsEOF()) { - uchar clutEntryId = bs.GetBits(8); - bool entryClut2Flag = bs.GetBit(); - bool entryClut4Flag = bs.GetBit(); - bool entryClut8Flag = bs.GetBit(); - bs.SkipBits(4); // reserved - uchar yval; - uchar crval; - uchar cbval; - uchar tval; - if (bs.GetBit()) { // full_range_flag - yval = bs.GetBits(8); - crval = bs.GetBits(8); - cbval = bs.GetBits(8); - tval = bs.GetBits(8); - } - else { - yval = bs.GetBits(6) << 2; - crval = bs.GetBits(4) << 4; - cbval = bs.GetBits(4) << 4; - tval = bs.GetBits(2) << 6; - } - tColor value = 0; - if (yval) { - value = yuv2rgb(yval, cbval, crval); - value |= ((10 - (clutEntryId ? Setup.SubtitleFgTransparency : Setup.SubtitleBgTransparency)) * (255 - tval) / 10) << 24; - } - dbgcluts("%2d %d %d %d %08X\n", clutEntryId, entryClut2Flag ? 2 : 0, entryClut4Flag ? 4 : 0, entryClut8Flag ? 8 : 0, value); - if (entryClut2Flag) - clut->SetColor(2, clutEntryId, value); - if (entryClut4Flag) - clut->SetColor(4, clutEntryId, value); - if (entryClut8Flag) - clut->SetColor(8, clutEntryId, value); - } + clut->Parse(bs); break; } case OBJECT_DATA_SEGMENT: { - dbgsegments("OBJECT_DATA_SEGMENT\n"); - cSubtitleObject *object = page->GetObjectById(bs.GetBits(16)); - if (!object) - break; - int objectVersion = bs.GetBits(4); - if (objectVersion == object->Version()) - break; // no update - object->SetVersion(objectVersion); - int codingMethod = bs.GetBits(2); - object->SetNonModifyingColorFlag(bs.GetBit()); - bs.SkipBit(); // reserved - dbgobjects("object pageId %d id %d version %d method %d modify %d\n", pageId, object->ObjectId(), object->Version(), object->CodingMethod(), object->NonModifyingColorFlag()); - if (codingMethod == 0) { // coding of pixels - int topFieldLength = bs.GetBits(16); - int bottomFieldLength = bs.GetBits(16); - object->DecodeSubBlock(bs.GetData(), topFieldLength, true); - if (bottomFieldLength) - object->DecodeSubBlock(bs.GetData() + topFieldLength, bottomFieldLength, false); - else - object->DecodeSubBlock(bs.GetData(), topFieldLength, false); - bs.WordAlign(); - } - else if (codingMethod == 1) { // coded as a string of characters - int numberOfCodes = bs.GetBits(8); - object->DecodeCharacterString(bs.GetData(), numberOfCodes); - } + dbgsegments("OBJECT_DATA_SEGMENT
\n"); + cSubtitleObject *object = page->GetObjectById(bs.GetBits(16), true); + object->Parse(bs); break; } case DISPLAY_DEFINITION_SEGMENT: { - dbgsegments("DISPLAY_DEFINITION_SEGMENT\n"); + dbgsegments("DISPLAY_DEFINITION_SEGMENT
\n"); int version = bs.GetBits(4); if (version != ddsVersionNumber) { bool displayWindowFlag = bs.GetBit(); @@ -1285,11 +1405,12 @@ int cDvbSubtitleConverter::ExtractSegment(const uchar *Data, int Length, int64_t } SetOsdData(); ddsVersionNumber = version; + dbgdisplay("display version %d flag %d width %d height %d ofshor %d ofsver %d
\n", ddsVersionNumber, displayWindowFlag, windowWidth, windowHeight, windowHorizontalOffset, windowVerticalOffset); } break; } case DISPARITY_SIGNALING_SEGMENT: { - dbgsegments("DISPARITY_SIGNALING_SEGMENT\n"); + dbgsegments("DISPARITY_SIGNALING_SEGMENT
\n"); bs.SkipBits(4); // dss_version_number bool disparity_shift_update_sequence_page_flag = bs.GetBit(); bs.SkipBits(3); // reserved @@ -1330,13 +1451,13 @@ int cDvbSubtitleConverter::ExtractSegment(const uchar *Data, int Length, int64_t break; } case END_OF_DISPLAY_SET_SEGMENT: { - dbgsegments("END_OF_DISPLAY_SET_SEGMENT\n"); + dbgsegments("END_OF_DISPLAY_SET_SEGMENT
\n"); FinishPage(page); page->SetPending(false); break; } default: - dbgsegments("*** unknown segment type: %02X\n", segmentType); + dbgsegments("*** unknown segment type: %02X
\n", segmentType); } return bs.Length() / 8; } @@ -1347,12 +1468,12 @@ void cDvbSubtitleConverter::FinishPage(cDvbSubtitlePage *Page) { if (!AssertOsd()) return; - tArea *Areas = Page->GetAreas(osdFactorX, osdFactorY); - int NumAreas = Page->regions.Count(); + int NumAreas; + tArea *Areas = Page->GetAreas(NumAreas, osdFactorX, osdFactorY); int Bpp = 8; bool Reduced = false; while (osd && osd->CanHandleAreas(Areas, NumAreas) != oeOk) { - dbgbitmaps("CanHandleAreas: %d\n", osd->CanHandleAreas(Areas, NumAreas)); + dbgoutput("CanHandleAreas: %d
\n", osd->CanHandleAreas(Areas, NumAreas)); int HalfBpp = Bpp / 2; if (HalfBpp >= 2) { for (int i = 0; i < NumAreas; i++) { @@ -1366,40 +1487,35 @@ void cDvbSubtitleConverter::FinishPage(cDvbSubtitlePage *Page) else return; // unable to draw bitmaps } - LOCK_THREAD; - cDvbSubtitleBitmaps *Bitmaps = new cDvbSubtitleBitmaps(Page->State(), Page->Pts(), Page->Timeout(), Areas, NumAreas, osdFactorX, osdFactorY); + cDvbSubtitleBitmaps *Bitmaps = new cDvbSubtitleBitmaps(Page->PageState(), Page->Pts(), Page->PageTimeout(), Areas, NumAreas, osdFactorX, osdFactorY); bitmaps->Add(Bitmaps); for (int i = 0; i < NumAreas; i++) { - cSubtitleRegion *sr = Page->regions.Get(i); - cSubtitleClut *clut = Page->GetClutById(sr->ClutId()); - if (!clut) - continue; - sr->Replace(*clut->GetPalette(sr->Bpp())); - sr->UpdateTextData(clut); - if (Reduced) { - if (sr->Bpp() != Areas[i].bpp) { - if (sr->Level() <= Areas[i].bpp) { - //TODO this is untested - didn't have any such subtitle stream - cSubtitleClut *Clut = Page->GetClutById(sr->ClutId()); - if (Clut) { - dbgregions("reduce region %d bpp %d level %d area bpp %d\n", sr->RegionId(), sr->Bpp(), sr->Level(), Areas[i].bpp); - sr->ReduceBpp(*Clut->GetPalette(sr->Bpp())); + if (cSubtitleRegionRef *srr = Page->GetRegionRefByIndex(i)) { + if (cSubtitleRegion *sr = Page->GetRegionById(srr->RegionId())) { + if (cSubtitleClut *clut = Page->GetClutById(sr->ClutId())) { + cBitmap *bm = new cBitmap(sr->RegionWidth(), sr->RegionHeight(), sr->RegionDepth()); + bm->Replace(*clut->GetPalette(sr->RegionDepth())); + sr->Render(bm, Page->Objects()); + if (Reduced) { + if (sr->RegionDepth() != Areas[i].bpp) { + if (sr->RegionLevelOfCompatibility() <= Areas[i].bpp) { + //TODO this is untested - didn't have any such subtitle stream + cSubtitleClut *Clut = Page->GetClutById(sr->ClutId()); + dbgregions("reduce region %d bpp %d level %d area bpp %d
\n", sr->RegionId(), sr->RegionDepth(), sr->RegionLevelOfCompatibility(), Areas[i].bpp); + bm->ReduceBpp(*Clut->GetPalette(sr->RegionDepth())); + } + else { + dbgregions("condense region %d bpp %d level %d area bpp %d
\n", sr->RegionId(), sr->RegionDepth(), sr->RegionLevelOfCompatibility(), Areas[i].bpp); + bm->ShrinkBpp(Areas[i].bpp); + } + } } - } - else { - dbgregions("condense region %d bpp %d level %d area bpp %d\n", sr->RegionId(), sr->Bpp(), sr->Level(), Areas[i].bpp); - sr->ShrinkBpp(Areas[i].bpp); + bm->SetOffset(srr->RegionHorizontalAddress(), srr->RegionVerticalAddress()); + Bitmaps->AddBitmap(bm); } } } - int posX = sr->HorizontalAddress(); - int posY = sr->VerticalAddress(); - if (sr->Width() > 0 && sr->Height() > 0) { - cBitmap *bm = new cBitmap(sr->Width(), sr->Height(), sr->Bpp(), posX, posY); - bm->DrawBitmap(posX, posY, *sr); - Bitmaps->AddBitmap(bm); - } } - if (DebugBitmaps) - cDvbSubtitleBitmaps::DbgPrintBitmap(Bitmaps, windowWidth, windowHeight); + if (DebugPages) + Bitmaps->DbgDump(windowWidth, windowHeight); } -- cgit v1.2.3