diff options
Diffstat (limited to 'dvbsubtitle.c')
| -rw-r--r-- | dvbsubtitle.c | 62 |
1 files changed, 45 insertions, 17 deletions
diff --git a/dvbsubtitle.c b/dvbsubtitle.c index 10d76b5..69dc6fa 100644 --- a/dvbsubtitle.c +++ b/dvbsubtitle.c @@ -7,7 +7,7 @@ * Original author: Marco Schlüßler <marco@lordzodiac.de> * With some input from the "subtitle plugin" by Pekka Virtanen <pekka.virtanen@sci.fi> * - * $Id: dvbsubtitle.c 2.0 2007/11/25 13:33:08 kls Exp $ + * $Id: dvbsubtitle.c 2.1 2008/05/25 14:36:24 kls Exp $ */ #include "dvbsubtitle.h" @@ -580,12 +580,12 @@ bool cDvbSubtitleAssembler::Realloc(int Size) unsigned char *cDvbSubtitleAssembler::Get(int &Length) { if (length > pos + 5) { - Length = (data[pos + 4] << 8) + data[pos + 5] + 6; - if (length >= pos + Length) { - unsigned char *result = data + pos; - pos += Length; - return result; - } + Length = (data[pos + 4] << 8) + data[pos + 5] + 6; + if (length >= pos + Length) { + unsigned char *result = data + pos; + pos += Length; + return result; + } } return NULL; } @@ -684,10 +684,10 @@ void cDvbSubtitleConverter::Reset(void) Unlock(); } -int cDvbSubtitleConverter::Convert(const uchar *Data, int Length) +int cDvbSubtitleConverter::ConvertFragments(const uchar *Data, int Length) { if (Data && Length > 8) { - int PayloadOffset = Data[8] + 9; + int PayloadOffset = PesPayloadOffset(Data); int SubstreamHeaderLength = 4; bool ResetSubtitleAssembler = Data[PayloadOffset + 3] == 0x00; @@ -699,15 +699,9 @@ int cDvbSubtitleConverter::Convert(const uchar *Data, int Length) } if (Length > PayloadOffset + SubstreamHeaderLength) { - int64_t pts = 0; - if ((Data[7] & 0x80) && Data[8] >= 5) { - pts = (((int64_t)Data[ 9]) & 0x0E) << 29; - pts |= ( (int64_t)Data[10]) << 22; - pts |= (((int64_t)Data[11]) & 0xFE) << 14; - pts |= ( (int64_t)Data[12]) << 7; - pts |= (((int64_t)Data[13]) & 0xFE) >> 1; + int64_t pts = PesGetPts(Data); + if (pts) dbgconverter("Converter PTS: %lld\n", pts); - } const uchar *data = Data + PayloadOffset + SubstreamHeaderLength; // skip substream header int length = Length - PayloadOffset - SubstreamHeaderLength; // skip substream header if (ResetSubtitleAssembler) @@ -736,6 +730,40 @@ int cDvbSubtitleConverter::Convert(const uchar *Data, int Length) return 0; } +int cDvbSubtitleConverter::Convert(const uchar *Data, int Length) +{ + if (Data && Length > 8) { + int PayloadOffset = PesPayloadOffset(Data); + if (Length > PayloadOffset) { + int64_t pts = PesGetPts(Data); + if (pts) + dbgconverter("Converter PTS: %lld\n", pts); + const uchar *data = Data + PayloadOffset; + int length = Length - PayloadOffset; + if (length > 3) { + if (data[0] == 0x20 && data[1] == 0x00 && data[2] == 0x0F) { + data += 2; + length -= 2; + } + const uchar *b = data; + while (length > 0) { + if (b[0] == 0x0F) { + int n = ExtractSegment(b, length, pts); + if (n < 0) + break; + b += n; + length -= n; + } + else + break; + } + } + } + return Length; + } + return 0; +} + #define LimitTo32Bit(n) (n & 0x00000000FFFFFFFFL) #define MAXDELTA 40000 // max. reasonable PTS/STC delta in ms |