diff options
Diffstat (limited to 'dvbapi.c')
| -rw-r--r-- | dvbapi.c | 39 |
1 files changed, 16 insertions, 23 deletions
@@ -4,7 +4,7 @@ * See the main source file 'vdr.c' for copyright information and * how to reach the author. * - * $Id: dvbapi.c 1.52 2001/01/20 09:52:56 kls Exp $ + * $Id: dvbapi.c 1.53 2001/01/27 11:04:55 kls Exp $ */ #include "dvbapi.h" @@ -821,7 +821,9 @@ int cRecordBuffer::ScanVideoPacket(int *PictureType, int Offset) int Length = GetPacketLength(Offset); if (Length <= Available()) { - for (int i = Offset; i < Offset + Length; i++) { + int i = Offset + 8; // the minimum length of the video packet header + i += Byte(i) + 1; // possible additional header bytes + for (; i < Offset + Length; i++) { if (Byte(i) == 0 && Byte(i + 1) == 0 && Byte(i + 2) == 1) { switch (Byte(i + 3)) { case SC_PICTURE: *PictureType = GetPictureType(i); @@ -840,8 +842,6 @@ int cRecordBuffer::Synchronize(void) // Positions to the start of a data block (skipping everything up to // an I-frame if not synced) and returns the block length. - int LastPackHeader = -1; - pictureType = NO_PICTURE; //XXX remove this once the buffer is handled with two separate threads: @@ -853,8 +853,6 @@ int cRecordBuffer::Synchronize(void) for (int i = 0; Available() > MINVIDEODATA && i < MINVIDEODATA; i++) { if (Byte(i) == 0 && Byte(i + 1) == 0 && Byte(i + 2) == 1) { switch (Byte(i + 3)) { - case SC_PHEAD: LastPackHeader = i; - break; case SC_VIDEO: { int pt = NO_PICTURE; int l = ScanVideoPacket(&pt, i); @@ -862,21 +860,13 @@ int cRecordBuffer::Synchronize(void) return 0; // no useful data found, wait for more if (pt != NO_PICTURE) { if (pt < I_FRAME || B_FRAME < pt) { - esyslog(LOG_ERR, "ERROR: unknown picture type '%d'", pt); - } + esyslog(LOG_ERR, "ERROR: unknown picture type '%d'", pt); + } else if (pictureType == NO_PICTURE) { if (!synced) { - if (LastPackHeader == 0) { - if (pt == I_FRAME) - synced = true; - } - else if (LastPackHeader > 0) { - Skip(LastPackHeader); - LastPackHeader = -1; - i = 0; - break; - } - else { // LastPackHeader < 0 + if (pt == I_FRAME) + synced = true; + else { Skip(i + l); i = 0; break; @@ -885,13 +875,15 @@ int cRecordBuffer::Synchronize(void) if (synced) pictureType = pt; } - else if (LastPackHeader > 0) - return LastPackHeader; else return i; } + else if (!synced) { + Skip(i + l); + i = 0; + break; + } i += l - 1; // -1 to compensate for i++ in the loop! - LastPackHeader = -1; } break; case SC_AUDIO: i += GetPacketLength(i) - 1; // -1 to compensate for i++ in the loop! @@ -2182,7 +2174,8 @@ bool cDvbApi::SetChannel(int ChannelNumber, int FrequencyMHz, char Polarization, freq -= Setup.LnbFrequLo; else freq -= Setup.LnbFrequHi; - front.pnr = 0; + front.channel_flags = Ca ? DVB_CHANNEL_CA : DVB_CHANNEL_FTA; + front.pnr = Pnr; front.freq = freq * 1000000UL; front.diseqc = Diseqc; front.srate = Srate * 1000; |