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-rw-r--r--dvbdevice.c123
1 files changed, 70 insertions, 53 deletions
diff --git a/dvbdevice.c b/dvbdevice.c
index a130112..0ba7c25 100644
--- a/dvbdevice.c
+++ b/dvbdevice.c
@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
- * $Id: dvbdevice.c 1.13 2002/09/08 15:00:46 kls Exp $
+ * $Id: dvbdevice.c 1.19 2002/09/15 13:12:25 kls Exp $
*/
#include "dvbdevice.h"
@@ -200,7 +200,11 @@ cSpuDecoder *cDvbDevice::GetSpuDecoder(void)
bool cDvbDevice::GrabImage(const char *FileName, bool Jpeg, int Quality, int SizeX, int SizeY)
{
- int videoDev = DvbOpen(DEV_VIDEO, CardIndex(), O_RDWR, true);
+ char buffer[PATH_MAX];
+ snprintf(buffer, sizeof(buffer), "%s%d", DEV_VIDEO, CardIndex());
+ int videoDev = open(buffer, O_RDWR);
+ if (videoDev < 0)
+ LOG_ERROR_STR(buffer);
if (videoDev >= 0) {
int result = 0;
struct video_mbuf mbuf;
@@ -297,51 +301,44 @@ void cDvbDevice::SetVideoFormat(bool VideoFormat16_9)
CHECK(ioctl(fd_video, VIDEO_SET_FORMAT, VideoFormat16_9 ? VIDEO_FORMAT_16_9 : VIDEO_FORMAT_4_3));
}
-// ptVideo ptAudio ptTeletext ptDolby ptOther
-dmxPesType_t PesTypes[] = { DMX_PES_VIDEO, DMX_PES_AUDIO, DMX_PES_TELETEXT, DMX_PES_OTHER, DMX_PES_OTHER };
+// ptAudio ptVideo ptTeletext ptDolby ptOther
+dmxPesType_t PesTypes[] = { DMX_PES_AUDIO, DMX_PES_VIDEO, DMX_PES_TELETEXT, DMX_PES_OTHER, DMX_PES_OTHER };
bool cDvbDevice::SetPid(cPidHandle *Handle, int Type, bool On)
{
if (Handle->pid) {
+ dmxPesFilterParams pesFilterParams;
+ memset(&pesFilterParams, 0, sizeof(pesFilterParams));
if (On) {
if (Handle->handle < 0) {
Handle->handle = DvbOpen(DEV_DVB_DEMUX, CardIndex(), O_RDWR | O_NONBLOCK, true);
if (Handle->handle < 0)
return false;
}
+ pesFilterParams.pid = Handle->pid;
+ pesFilterParams.input = DMX_IN_FRONTEND;
+ pesFilterParams.output = (Type <= ptTeletext && Handle->used <= 1) ? DMX_OUT_DECODER : DMX_OUT_TS_TAP;
+ pesFilterParams.pesType = PesTypes[Type < ptOther ? Type : ptOther];
+ pesFilterParams.flags = DMX_IMMEDIATE_START;
+ if (ioctl(Handle->handle, DMX_SET_PES_FILTER, &pesFilterParams) < 0) {
+ LOG_ERROR;
+ return false;
+ }
}
- else {
+ else if (!Handle->used) {
CHECK(ioctl(Handle->handle, DMX_STOP));
- if (Handle->used == 0) {
- dmxPesFilterParams pesFilterParams;
- memset(&pesFilterParams, 0, sizeof(pesFilterParams));
+ if (Type <= ptTeletext) {
pesFilterParams.pid = 0x1FFF;
pesFilterParams.input = DMX_IN_FRONTEND;
pesFilterParams.output = DMX_OUT_DECODER;
- pesFilterParams.pesType = PesTypes[Type < ptOther ? Type : ptOther];
+ pesFilterParams.pesType = PesTypes[Type];
pesFilterParams.flags = DMX_IMMEDIATE_START;
CHECK(ioctl(Handle->handle, DMX_SET_PES_FILTER, &pesFilterParams));
close(Handle->handle);
Handle->handle = -1;
- return true;
- }
- }
-
- if (Handle->pid != 0x1FFF) {
- dmxPesFilterParams pesFilterParams;
- memset(&pesFilterParams, 0, sizeof(pesFilterParams));
- pesFilterParams.pid = Handle->pid;
- pesFilterParams.input = DMX_IN_FRONTEND;
- pesFilterParams.output = (Type <= ptTeletext && Handle->used <= 1) ? DMX_OUT_DECODER : DMX_OUT_TS_TAP;
- pesFilterParams.pesType = PesTypes[Type < ptOther ? Type : ptOther];
- pesFilterParams.flags = DMX_IMMEDIATE_START;
- //XXX+ pesFilterParams.flags = DMX_CHECK_CRC;//XXX
- if (ioctl(Handle->handle, DMX_SET_PES_FILTER, &pesFilterParams) < 0) {
- LOG_ERROR;
- return false;
+ if (PesTypes[Type] == DMX_PES_VIDEO) // let's only do this once
+ SetPlayMode(pmNone); // necessary to switch a PID from DMX_PES_VIDEO/AUDIO to DMX_PES_OTHER
}
- //XXX+ CHECK(ioctl(Handle->handle, DMX_SET_BUFFER_SIZE, KILOBYTE(32)));//XXX
- //XXX+ CHECK(ioctl(Handle->handle, DMX_START));//XXX
}
}
return true;
@@ -362,8 +359,8 @@ bool cDvbDevice::ProvidesChannel(const cChannel *Channel, int Priority, bool *Ne
needsDetachReceivers = true;
result = hasPriority;
}
- else if (!HasDecoder())
- result = true; // if it has no decoder it can't be the primary device
+ else if (!IsPrimaryDevice())
+ result = true;
else {
#define DVB_DRIVER_VERSION 2002090101 //XXX+
#define MIN_DVB_DRIVER_VERSION_FOR_TIMESHIFT 2002090101
@@ -397,30 +394,52 @@ bool cDvbDevice::SetChannelDevice(const cChannel *Channel, bool LiveView)
LiveView = true;
#endif
- // Avoid noise while switching:
+ bool DoTune = frequency != Channel->frequency; // TODO will be changed when DiSEqC handling is revised
- if (HasDecoder()) {
- CHECK(ioctl(fd_audio, AUDIO_SET_MUTE, true));
- CHECK(ioctl(fd_video, VIDEO_SET_BLANK, true));
- CHECK(ioctl(fd_audio, AUDIO_CLEAR_BUFFER));
- CHECK(ioctl(fd_video, VIDEO_CLEAR_BUFFER));
- }
+ bool TurnOffLivePIDs = HasDecoder()
+ && (DoTune
+ || Channel->ca > CACONFBASE && pidHandles[ptVideo].pid != Channel->vpid // CA channels can only be decrypted in "live" mode
+ || IsPrimaryDevice()
+ && (LiveView // for a new live view the old PIDs need to be turned off
+ || pidHandles[ptVideo].pid == Channel->vpid // for recording the PIDs must be shifted from DMX_PES_AUDIO/VIDEO to DMX_PES_OTHER
+ )
+ );
+
+ bool StartTransferMode = IsPrimaryDevice() && !DoTune
+ && (LiveView && HasPid(Channel->vpid) && pidHandles[ptVideo].pid != Channel->vpid // the PID is already set as DMX_PES_OTHER
+ || !LiveView && pidHandles[ptVideo].pid == Channel->vpid // a recording is going to shift the PIDs from DMX_PES_AUDIO/VIDEO to DMX_PES_OTHER
+ );
+
+ bool TurnOnLivePIDs = HasDecoder() && !StartTransferMode
+ && (Channel->ca > CACONFBASE // CA channels can only be decrypted in "live" mode
+ || LiveView
+ );
// Stop setting system time:
if (siProcessor)
siProcessor->SetCurrentTransponder(0);
- // Turn off current PIDs:
+ // Turn off live PIDs if necessary:
+
+ if (TurnOffLivePIDs) {
+
+ // Avoid noise while switching:
+
+ CHECK(ioctl(fd_audio, AUDIO_SET_MUTE, true));
+ CHECK(ioctl(fd_video, VIDEO_SET_BLANK, true));
+ CHECK(ioctl(fd_audio, AUDIO_CLEAR_BUFFER));
+ CHECK(ioctl(fd_video, VIDEO_CLEAR_BUFFER));
+
+ // Turn off live PIDs:
- if (HasDecoder() && (LiveView || pidHandles[ptVideo].pid == Channel->vpid)) {
- DelPid(pidHandles[ptVideo].pid);
DelPid(pidHandles[ptAudio].pid);
+ DelPid(pidHandles[ptVideo].pid);
DelPid(pidHandles[ptTeletext].pid);
DelPid(pidHandles[ptDolby].pid);
}
- if (frequency != Channel->frequency || Channel->ca > CACONFBASE) { // CA channels can only be decrypted in "live" mode
+ if (DoTune) {
#ifdef NEWSTRUCT
dvb_frontend_parameters Frontend;
@@ -602,21 +621,19 @@ bool cDvbDevice::SetChannelDevice(const cChannel *Channel, bool LiveView)
// PID settings:
- if (HasDecoder() && (LiveView || Channel->ca > CACONFBASE)) { // CA channels can only be decrypted in "live" mode
- if (!HasPid(Channel->vpid)) {
- if (!(AddPid(Channel->vpid, ptVideo) && AddPid(Channel->apid1, ptAudio))) {//XXX+ dolby dpid1!!! (if audio plugins are attached)
- esyslog("ERROR: failed to set PIDs for channel %d", Channel->number);
- return false;
- }
- if (IsPrimaryDevice())
- AddPid(Channel->tpid, ptTeletext);
- CHECK(ioctl(fd_audio, AUDIO_SET_AV_SYNC, true));
- CHECK(ioctl(fd_audio, AUDIO_SET_MUTE, false));
- CHECK(ioctl(fd_video, VIDEO_SET_BLANK, false));
+ if (TurnOnLivePIDs) {
+ if (!(AddPid(Channel->apid1, ptAudio) && AddPid(Channel->vpid, ptVideo))) {//XXX+ dolby dpid1!!! (if audio plugins are attached)
+ esyslog("ERROR: failed to set PIDs for channel %d on device %d", Channel->number, CardIndex() + 1);
+ return false;
}
- else
- cControl::Launch(new cTransferControl(this, Channel->vpid, Channel->apid1, 0, 0, 0));
+ if (IsPrimaryDevice())
+ AddPid(Channel->tpid, ptTeletext);
+ CHECK(ioctl(fd_audio, AUDIO_SET_AV_SYNC, true));
+ CHECK(ioctl(fd_audio, AUDIO_SET_MUTE, false));
+ CHECK(ioctl(fd_video, VIDEO_SET_BLANK, false));
}
+ else if (StartTransferMode)
+ cControl::Launch(new cTransferControl(this, Channel->vpid, Channel->apid1, 0, 0, 0));
// Start setting system time:
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 08:55:20 +0000