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https://github.com/VDR4Arch/vdr.git
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840 lines
27 KiB
C
840 lines
27 KiB
C
/*
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* dvbdevice.c: The DVB device interface
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*
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
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*
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* $Id: dvbdevice.c 1.32 2002/11/01 11:24:47 kls Exp $
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*/
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#include "dvbdevice.h"
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#include <errno.h>
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extern "C" {
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#ifdef boolean
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#define HAVE_BOOLEAN
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#endif
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#include <jpeglib.h>
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#undef boolean
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}
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#include <limits.h>
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#include <linux/videodev.h>
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#include <linux/dvb/audio.h>
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#include <linux/dvb/dmx.h>
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#include <linux/dvb/frontend.h>
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#include <linux/dvb/video.h>
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#include <sys/ioctl.h>
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#include <sys/mman.h>
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#include "channels.h"
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#include "diseqc.h"
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#include "dvbosd.h"
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#include "player.h"
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#include "receiver.h"
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#include "status.h"
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#include "transfer.h"
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#define DEV_VIDEO "/dev/video"
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#define DEV_DVB_ADAPTER "/dev/dvb/adapter"
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#define DEV_DVB_OSD "osd"
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#define DEV_DVB_FRONTEND "frontend"
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#define DEV_DVB_DVR "dvr"
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#define DEV_DVB_DEMUX "demux"
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#define DEV_DVB_VIDEO "video"
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#define DEV_DVB_AUDIO "audio"
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static const char *DvbName(const char *Name, int n)
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{
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static char buffer[PATH_MAX];
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snprintf(buffer, sizeof(buffer), "%s%d/%s%d", DEV_DVB_ADAPTER, n, Name, 0);
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return buffer;
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}
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static int DvbOpen(const char *Name, int n, int Mode, bool ReportError = false)
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{
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const char *FileName = DvbName(Name, n);
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int fd = open(FileName, Mode);
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if (fd < 0 && ReportError)
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LOG_ERROR_STR(FileName);
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return fd;
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}
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cDvbDevice::cDvbDevice(int n)
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{
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frontendType = fe_type_t(-1); // don't know how else to initialize this - there is no FE_UNKNOWN
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siProcessor = NULL;
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spuDecoder = NULL;
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playMode = pmNone;
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// Devices that are present on all card types:
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fd_frontend = DvbOpen(DEV_DVB_FRONTEND, n, O_RDWR | O_NONBLOCK);
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// Devices that are only present on cards with decoders:
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fd_osd = DvbOpen(DEV_DVB_OSD, n, O_RDWR);
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fd_video = DvbOpen(DEV_DVB_VIDEO, n, O_RDWR | O_NONBLOCK);
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fd_audio = DvbOpen(DEV_DVB_AUDIO, n, O_RDWR | O_NONBLOCK);
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// The DVR device (will be opened and closed as needed):
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fd_dvr = -1;
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// Video format:
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SetVideoFormat(Setup.VideoFormat ? VIDEO_FORMAT_16_9 : VIDEO_FORMAT_4_3);
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// We only check the devices that must be present - the others will be checked before accessing them://XXX
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if (fd_frontend >= 0) {
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dvb_frontend_info feinfo;
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siProcessor = new cSIProcessor(DvbName(DEV_DVB_DEMUX, n));
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if (ioctl(fd_frontend, FE_GET_INFO, &feinfo) >= 0)
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frontendType = feinfo.type;
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else
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LOG_ERROR;
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}
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else
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esyslog("ERROR: can't open DVB device %d", n);
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aPid1 = aPid2 = 0;
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source = -1;
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frequency = -1;
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diseqcCommands = NULL;
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}
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cDvbDevice::~cDvbDevice()
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{
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delete spuDecoder;
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delete siProcessor;
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// We're not explicitly closing any device files here, since this sometimes
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// caused segfaults. Besides, the program is about to terminate anyway...
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}
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bool cDvbDevice::Probe(const char *FileName)
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{
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if (access(FileName, F_OK) == 0) {
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dsyslog("probing %s", FileName);
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int f = open(FileName, O_RDONLY);
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if (f >= 0) {
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close(f);
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return true;
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}
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else if (errno != ENODEV && errno != EINVAL)
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LOG_ERROR_STR(FileName);
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}
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else if (errno != ENOENT)
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LOG_ERROR_STR(FileName);
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return false;
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}
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bool cDvbDevice::Initialize(void)
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{
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int found = 0;
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int i;
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for (i = 0; i < MAXDVBDEVICES; i++) {
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if (UseDevice(NextCardIndex())) {
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if (Probe(DvbName(DEV_DVB_FRONTEND, i))) {
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new cDvbDevice(i);
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found++;
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}
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else
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break;
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}
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else
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NextCardIndex(1); // skips this one
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}
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NextCardIndex(MAXDVBDEVICES - i); // skips the rest
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if (found > 0)
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isyslog("found %d video device%s", found, found > 1 ? "s" : "");
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else
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isyslog("no DVB device found");
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return found > 0;
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}
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void cDvbDevice::MakePrimaryDevice(bool On)
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{
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cDvbOsd::SetDvbDevice(On ? this : NULL);
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}
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bool cDvbDevice::HasDecoder(void) const
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{
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return fd_video >= 0 && fd_audio >= 0;
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}
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cOsdBase *cDvbDevice::NewOsd(int x, int y)
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{
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return new cDvbOsd(x, y);
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}
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cSpuDecoder *cDvbDevice::GetSpuDecoder(void)
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{
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if (!spuDecoder && IsPrimaryDevice())
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spuDecoder = new cDvbSpuDecoder();
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return spuDecoder;
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}
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bool cDvbDevice::GrabImage(const char *FileName, bool Jpeg, int Quality, int SizeX, int SizeY)
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{
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char buffer[PATH_MAX];
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snprintf(buffer, sizeof(buffer), "%s%d", DEV_VIDEO, CardIndex());
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int videoDev = open(buffer, O_RDWR);
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if (videoDev < 0)
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LOG_ERROR_STR(buffer);
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if (videoDev >= 0) {
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int result = 0;
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struct video_mbuf mbuf;
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result |= ioctl(videoDev, VIDIOCGMBUF, &mbuf);
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if (result == 0) {
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int msize = mbuf.size;
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unsigned char *mem = (unsigned char *)mmap(0, msize, PROT_READ | PROT_WRITE, MAP_SHARED, videoDev, 0);
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if (mem && mem != (unsigned char *)-1) {
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// set up the size and RGB
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struct video_capability vc;
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result |= ioctl(videoDev, VIDIOCGCAP, &vc);
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struct video_mmap vm;
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vm.frame = 0;
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if ((SizeX > 0) && (SizeX <= vc.maxwidth) &&
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(SizeY > 0) && (SizeY <= vc.maxheight)) {
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vm.width = SizeX;
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vm.height = SizeY;
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}
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else {
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vm.width = vc.maxwidth;
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vm.height = vc.maxheight;
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}
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vm.format = VIDEO_PALETTE_RGB24;
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result |= ioctl(videoDev, VIDIOCMCAPTURE, &vm);
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result |= ioctl(videoDev, VIDIOCSYNC, &vm.frame);
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// make RGB out of BGR:
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int memsize = vm.width * vm.height;
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unsigned char *mem1 = mem;
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for (int i = 0; i < memsize; i++) {
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unsigned char tmp = mem1[2];
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mem1[2] = mem1[0];
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mem1[0] = tmp;
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mem1 += 3;
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}
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if (Quality < 0)
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Quality = 255; //XXX is this 'best'???
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isyslog("grabbing to %s (%s %d %d %d)", FileName, Jpeg ? "JPEG" : "PNM", Quality, vm.width, vm.height);
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FILE *f = fopen(FileName, "wb");
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if (f) {
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if (Jpeg) {
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// write JPEG file:
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struct jpeg_compress_struct cinfo;
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struct jpeg_error_mgr jerr;
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cinfo.err = jpeg_std_error(&jerr);
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jpeg_create_compress(&cinfo);
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jpeg_stdio_dest(&cinfo, f);
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cinfo.image_width = vm.width;
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cinfo.image_height = vm.height;
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cinfo.input_components = 3;
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cinfo.in_color_space = JCS_RGB;
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jpeg_set_defaults(&cinfo);
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jpeg_set_quality(&cinfo, Quality, true);
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jpeg_start_compress(&cinfo, true);
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int rs = vm.width * 3;
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JSAMPROW rp[vm.height];
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for (int k = 0; k < vm.height; k++)
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rp[k] = &mem[rs * k];
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jpeg_write_scanlines(&cinfo, rp, vm.height);
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jpeg_finish_compress(&cinfo);
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jpeg_destroy_compress(&cinfo);
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}
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else {
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// write PNM file:
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if (fprintf(f, "P6\n%d\n%d\n255\n", vm.width, vm.height) < 0 ||
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fwrite(mem, vm.width * vm.height * 3, 1, f) < 0) {
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LOG_ERROR_STR(FileName);
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result |= 1;
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}
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}
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fclose(f);
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}
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else {
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LOG_ERROR_STR(FileName);
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result |= 1;
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}
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munmap(mem, msize);
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}
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else
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result |= 1;
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}
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close(videoDev);
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return result == 0;
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}
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return false;
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}
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void cDvbDevice::SetVideoFormat(bool VideoFormat16_9)
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{
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if (HasDecoder())
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CHECK(ioctl(fd_video, VIDEO_SET_FORMAT, VideoFormat16_9 ? VIDEO_FORMAT_16_9 : VIDEO_FORMAT_4_3));
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}
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// ptAudio ptVideo ptTeletext ptDolby ptOther
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dmx_pes_type_t PesTypes[] = { DMX_PES_AUDIO, DMX_PES_VIDEO, DMX_PES_TELETEXT, DMX_PES_OTHER, DMX_PES_OTHER };
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bool cDvbDevice::SetPid(cPidHandle *Handle, int Type, bool On)
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{
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if (Handle->pid) {
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dmx_pes_filter_params pesFilterParams;
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memset(&pesFilterParams, 0, sizeof(pesFilterParams));
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if (On) {
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if (Handle->handle < 0) {
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Handle->handle = DvbOpen(DEV_DVB_DEMUX, CardIndex(), O_RDWR | O_NONBLOCK, true);
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if (Handle->handle < 0)
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return false;
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}
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pesFilterParams.pid = Handle->pid;
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pesFilterParams.input = DMX_IN_FRONTEND;
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pesFilterParams.output = (Type <= ptTeletext && Handle->used <= 1) ? DMX_OUT_DECODER : DMX_OUT_TS_TAP;
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pesFilterParams.pes_type= PesTypes[Type < ptOther ? Type : ptOther];
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pesFilterParams.flags = DMX_IMMEDIATE_START;
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if (ioctl(Handle->handle, DMX_SET_PES_FILTER, &pesFilterParams) < 0) {
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LOG_ERROR;
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return false;
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}
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}
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else if (!Handle->used) {
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CHECK(ioctl(Handle->handle, DMX_STOP));
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if (Type <= ptTeletext) {
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pesFilterParams.pid = 0x1FFF;
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pesFilterParams.input = DMX_IN_FRONTEND;
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pesFilterParams.output = DMX_OUT_DECODER;
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pesFilterParams.pes_type= PesTypes[Type];
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pesFilterParams.flags = DMX_IMMEDIATE_START;
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CHECK(ioctl(Handle->handle, DMX_SET_PES_FILTER, &pesFilterParams));
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close(Handle->handle);
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Handle->handle = -1;
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if (PesTypes[Type] == DMX_PES_VIDEO) // let's only do this once
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SetPlayMode(pmNone); // necessary to switch a PID from DMX_PES_VIDEO/AUDIO to DMX_PES_OTHER
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}
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}
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}
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return true;
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}
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bool cDvbDevice::IsTunedTo(const cChannel *Channel) const
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{
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return source == Channel->Source() && frequency == Channel->Frequency();
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}
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bool cDvbDevice::ProvidesSource(int Source) const
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{
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int type = Source & cSource::st_Mask;
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return type == cSource::stNone
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|| type == cSource::stCable && frontendType == FE_QAM
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|| type == cSource::stSat && frontendType == FE_QPSK
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|| type == cSource::stTerr && frontendType == FE_OFDM;
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return true;
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}
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bool cDvbDevice::ProvidesChannel(const cChannel *Channel, int Priority, bool *NeedsDetachReceivers) const
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{
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bool result = false;
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bool hasPriority = Priority < 0 || Priority > this->Priority();
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bool needsDetachReceivers = true;
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if (ProvidesSource(Channel->Source()) && ProvidesCa(Channel->Ca())) {
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if (Receiving()) {
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if (IsTunedTo(Channel)) {
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needsDetachReceivers = false;
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if (!HasPid(Channel->Vpid())) {
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if (Channel->Ca() > CACONFBASE) {
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needsDetachReceivers = true;
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result = hasPriority;
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}
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else if (!IsPrimaryDevice())
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result = true;
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else {
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#define DVB_DRIVER_VERSION 2002090101 //XXX+
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#define MIN_DVB_DRIVER_VERSION_FOR_TIMESHIFT 2002090101
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#ifdef DVB_DRIVER_VERSION
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#if (DVB_DRIVER_VERSION >= MIN_DVB_DRIVER_VERSION_FOR_TIMESHIFT)
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result = !IsPrimaryDevice() || Priority >= Setup.PrimaryLimit;
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#endif
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#else
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#warning "DVB_DRIVER_VERSION not defined - time shift with only one DVB device disabled!"
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#endif
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}
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}
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else
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result = !IsPrimaryDevice() || Priority >= Setup.PrimaryLimit;
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}
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else
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result = hasPriority;
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}
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else
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result = hasPriority;
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}
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if (NeedsDetachReceivers)
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*NeedsDetachReceivers = needsDetachReceivers;
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return result;
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}
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static unsigned int FrequencyToHz(unsigned int f)
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{
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while (f && f < 1000000)
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f *= 1000;
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return f;
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}
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bool cDvbDevice::SetChannelDevice(const cChannel *Channel, bool LiveView)
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{
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#if (DVB_DRIVER_VERSION < MIN_DVB_DRIVER_VERSION_FOR_TIMESHIFT)
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if (HasDecoder())
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LiveView = true;
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#endif
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bool IsEncrypted = Channel->Ca() > CACONFBASE;
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bool DoTune = !IsTunedTo(Channel);
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bool TurnOffLivePIDs = HasDecoder()
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&& (DoTune
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|| IsEncrypted && pidHandles[ptVideo].pid != Channel->Vpid() // CA channels can only be decrypted in "live" mode
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|| IsPrimaryDevice()
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&& (LiveView // for a new live view the old PIDs need to be turned off
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|| pidHandles[ptVideo].pid == Channel->Vpid() // for recording the PIDs must be shifted from DMX_PES_AUDIO/VIDEO to DMX_PES_OTHER
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)
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);
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bool StartTransferMode = IsPrimaryDevice() && !IsEncrypted && !DoTune
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&& (LiveView && HasPid(Channel->Vpid()) && pidHandles[ptVideo].pid != Channel->Vpid() // the PID is already set as DMX_PES_OTHER
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|| !LiveView && pidHandles[ptVideo].pid == Channel->Vpid() // a recording is going to shift the PIDs from DMX_PES_AUDIO/VIDEO to DMX_PES_OTHER
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);
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bool TurnOnLivePIDs = HasDecoder() && !StartTransferMode
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&& (IsEncrypted // CA channels can only be decrypted in "live" mode
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|| LiveView
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);
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// Stop setting system time:
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if (siProcessor)
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siProcessor->SetCurrentTransponder(0);
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// Turn off live PIDs if necessary:
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if (TurnOffLivePIDs) {
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// Avoid noise while switching:
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CHECK(ioctl(fd_audio, AUDIO_SET_MUTE, true));
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CHECK(ioctl(fd_video, VIDEO_SET_BLANK, true));
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CHECK(ioctl(fd_audio, AUDIO_CLEAR_BUFFER));
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CHECK(ioctl(fd_video, VIDEO_CLEAR_BUFFER));
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// Turn off live PIDs:
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DelPid(pidHandles[ptAudio].pid);
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DelPid(pidHandles[ptVideo].pid);
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DelPid(pidHandles[ptTeletext].pid);
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DelPid(pidHandles[ptDolby].pid);
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}
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if (DoTune) {
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dvb_frontend_parameters Frontend;
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memset(&Frontend, 0, sizeof(Frontend));
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switch (frontendType) {
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case FE_QPSK: { // DVB-S
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unsigned int frequency = Channel->Frequency();
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if (Setup.DiSEqC) {
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cDiseqc *diseqc = Diseqcs.Get(Channel->Source(), Channel->Frequency(), Channel->Polarization());
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if (diseqc) {
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if (diseqc->Commands() && (!diseqcCommands || strcmp(diseqcCommands, diseqc->Commands()) != 0)) {
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cDiseqc::eDiseqcActions da;
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for (bool Start = true; (da = diseqc->Execute(Start)) != cDiseqc::daNone; Start = false) {
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switch (da) {
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case cDiseqc::daNone: break;
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case cDiseqc::daToneOff: CHECK(ioctl(fd_frontend, FE_SET_TONE, SEC_TONE_OFF)); break;
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case cDiseqc::daToneOn: CHECK(ioctl(fd_frontend, FE_SET_TONE, SEC_TONE_ON)); break;
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case cDiseqc::daVoltage13: CHECK(ioctl(fd_frontend, FE_SET_VOLTAGE, SEC_VOLTAGE_13)); break;
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case cDiseqc::daVoltage18: CHECK(ioctl(fd_frontend, FE_SET_VOLTAGE, SEC_VOLTAGE_18)); break;
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case cDiseqc::daMiniA: CHECK(ioctl(fd_frontend, FE_DISEQC_SEND_BURST, SEC_MINI_A)); break;
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case cDiseqc::daMiniB: CHECK(ioctl(fd_frontend, FE_DISEQC_SEND_BURST, SEC_MINI_B)); break;
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case cDiseqc::daCodes: {
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int n = 0;
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uchar *codes = diseqc->Codes(n);
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if (codes) {
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struct dvb_diseqc_master_cmd cmd;
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memcpy(cmd.msg, codes, min(n, int(sizeof(cmd.msg))));
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cmd.msg_len = n;
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CHECK(ioctl(fd_frontend, FE_DISEQC_SEND_MASTER_CMD, &cmd));
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}
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}
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break;
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}
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}
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diseqcCommands = diseqc->Commands();
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|
}
|
|
frequency -= diseqc->Lof();
|
|
}
|
|
else {
|
|
esyslog("ERROR: no DiSEqC parameters found for channel %d", Channel->Number());
|
|
return false;
|
|
}
|
|
}
|
|
else {
|
|
int tone = SEC_TONE_OFF;
|
|
|
|
if (frequency < (unsigned int)Setup.LnbSLOF) {
|
|
frequency -= Setup.LnbFrequLo;
|
|
tone = SEC_TONE_OFF;
|
|
}
|
|
else {
|
|
frequency -= Setup.LnbFrequHi;
|
|
tone = SEC_TONE_ON;
|
|
}
|
|
int volt = (Channel->Polarization() == 'v' || Channel->Polarization() == 'V') ? SEC_VOLTAGE_13 : SEC_VOLTAGE_18;
|
|
CHECK(ioctl(fd_frontend, FE_SET_VOLTAGE, volt));
|
|
CHECK(ioctl(fd_frontend, FE_SET_TONE, tone));
|
|
}
|
|
|
|
Frontend.frequency = frequency * 1000UL;
|
|
Frontend.inversion = fe_spectral_inversion_t(Channel->Inversion());
|
|
Frontend.u.qpsk.symbol_rate = Channel->Srate() * 1000UL;
|
|
Frontend.u.qpsk.fec_inner = fe_code_rate_t(Channel->CoderateH());
|
|
}
|
|
break;
|
|
case FE_QAM: { // DVB-C
|
|
|
|
// Frequency and symbol rate:
|
|
|
|
Frontend.frequency = FrequencyToHz(Channel->Frequency());
|
|
Frontend.inversion = fe_spectral_inversion_t(Channel->Inversion());
|
|
Frontend.u.qam.symbol_rate = Channel->Srate() * 1000UL;
|
|
Frontend.u.qam.fec_inner = fe_code_rate_t(Channel->CoderateH());
|
|
Frontend.u.qam.modulation = fe_modulation_t(Channel->Modulation());
|
|
}
|
|
break;
|
|
case FE_OFDM: { // DVB-T
|
|
|
|
// Frequency and OFDM paramaters:
|
|
|
|
Frontend.frequency = FrequencyToHz(Channel->Frequency());
|
|
Frontend.inversion = fe_spectral_inversion_t(Channel->Inversion());
|
|
Frontend.u.ofdm.bandwidth = fe_bandwidth_t(Channel->Bandwidth());
|
|
Frontend.u.ofdm.code_rate_HP = fe_code_rate_t(Channel->CoderateH());
|
|
Frontend.u.ofdm.code_rate_LP = fe_code_rate_t(Channel->CoderateL());
|
|
Frontend.u.ofdm.constellation = fe_modulation_t(Channel->Modulation());
|
|
Frontend.u.ofdm.transmission_mode = fe_transmit_mode_t(Channel->Transmission());
|
|
Frontend.u.ofdm.guard_interval = fe_guard_interval_t(Channel->Guard());
|
|
Frontend.u.ofdm.hierarchy_information = fe_hierarchy_t(Channel->Hierarchy());
|
|
}
|
|
break;
|
|
default:
|
|
esyslog("ERROR: attempt to set channel with unknown DVB frontend type");
|
|
return false;
|
|
}
|
|
|
|
// Discard stale events:
|
|
|
|
for (;;) {
|
|
dvb_frontend_event event;
|
|
if (ioctl(fd_frontend, FE_GET_EVENT, &event) < 0)
|
|
break;
|
|
}
|
|
|
|
// Tuning:
|
|
|
|
CHECK(ioctl(fd_frontend, FE_SET_FRONTEND, &Frontend));
|
|
|
|
// Wait for channel lock:
|
|
|
|
fe_status_t status = fe_status_t(0);
|
|
for (int i = 0; i < 100; i++) {
|
|
CHECK(ioctl(fd_frontend, FE_READ_STATUS, &status));
|
|
if (status & FE_HAS_LOCK)
|
|
break;
|
|
usleep(10 * 1000);
|
|
}
|
|
if (!(status & FE_HAS_LOCK)) {
|
|
esyslog("ERROR: channel %d not locked on DVB card %d!", Channel->Number(), CardIndex() + 1);
|
|
if (LiveView && IsPrimaryDevice())
|
|
cThread::RaisePanic();
|
|
return false;
|
|
}
|
|
|
|
source = Channel->Source();
|
|
frequency = Channel->Frequency();
|
|
|
|
}
|
|
|
|
// PID settings:
|
|
|
|
if (TurnOnLivePIDs) {
|
|
aPid1 = Channel->Apid1();
|
|
aPid2 = Channel->Apid2();
|
|
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;
|
|
}
|
|
if (IsPrimaryDevice())
|
|
AddPid(Channel->Tpid(), ptTeletext);
|
|
CHECK(ioctl(fd_audio, AUDIO_SET_AV_SYNC, true));
|
|
}
|
|
else if (StartTransferMode)
|
|
cControl::Launch(new cTransferControl(this, Channel->Vpid(), Channel->Apid1(), Channel->Apid2(), Channel->Dpid1(), Channel->Dpid2()));
|
|
|
|
// Start setting system time:
|
|
|
|
if (siProcessor)
|
|
siProcessor->SetCurrentTransponder(Channel->Frequency());
|
|
|
|
return true;
|
|
}
|
|
|
|
void cDvbDevice::SetVolumeDevice(int Volume)
|
|
{
|
|
if (HasDecoder()) {
|
|
audio_mixer_t am;
|
|
am.volume_left = am.volume_right = Volume;
|
|
CHECK(ioctl(fd_audio, AUDIO_SET_MIXER, &am));
|
|
}
|
|
}
|
|
|
|
int cDvbDevice::NumAudioTracksDevice(void) const
|
|
{
|
|
int n = 0;
|
|
if (aPid1)
|
|
n++;
|
|
if (!Ca() && aPid2 && aPid1 != aPid2) // a Ca recording session blocks switching live audio tracks
|
|
n++;
|
|
return n;
|
|
}
|
|
|
|
const char **cDvbDevice::GetAudioTracksDevice(int *CurrentTrack) const
|
|
{
|
|
if (NumAudioTracksDevice()) {
|
|
if (CurrentTrack)
|
|
*CurrentTrack = (pidHandles[ptAudio].pid == aPid1) ? 0 : 1;
|
|
static const char *audioTracks1[] = { "Audio 1", NULL };
|
|
static const char *audioTracks2[] = { "Audio 1", "Audio 2", NULL };
|
|
return NumAudioTracksDevice() > 1 ? audioTracks2 : audioTracks1;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
void cDvbDevice::SetAudioTrackDevice(int Index)
|
|
{
|
|
if (0 <= Index && Index < NumAudioTracksDevice()) {
|
|
int vpid = pidHandles[ptVideo].pid; // need to turn video PID off/on to restart demux
|
|
DelPid(vpid);
|
|
DelPid(pidHandles[ptAudio].pid);
|
|
AddPid(Index ? aPid2 : aPid1, ptAudio);
|
|
AddPid(vpid, ptVideo);
|
|
}
|
|
}
|
|
|
|
bool cDvbDevice::CanReplay(void) const
|
|
{
|
|
return cDevice::CanReplay() && !Ca(); // we can only replay if there is no Ca recording going on
|
|
}
|
|
|
|
bool cDvbDevice::SetPlayMode(ePlayMode PlayMode)
|
|
{
|
|
if (PlayMode != pmExtern_THIS_SHOULD_BE_AVOIDED && fd_video < 0 && fd_audio < 0) {
|
|
// reopen the devices
|
|
fd_video = DvbOpen(DEV_DVB_VIDEO, CardIndex(), O_RDWR | O_NONBLOCK);
|
|
fd_audio = DvbOpen(DEV_DVB_AUDIO, CardIndex(), O_RDWR | O_NONBLOCK);
|
|
SetVideoFormat(Setup.VideoFormat);
|
|
}
|
|
|
|
switch (PlayMode) {
|
|
case pmNone:
|
|
// special handling to return from PCM replay:
|
|
CHECK(ioctl(fd_video, VIDEO_SET_BLANK, true));
|
|
CHECK(ioctl(fd_video, VIDEO_SELECT_SOURCE, VIDEO_SOURCE_MEMORY));
|
|
CHECK(ioctl(fd_video, VIDEO_PLAY));
|
|
|
|
CHECK(ioctl(fd_video, VIDEO_STOP, true));
|
|
CHECK(ioctl(fd_audio, AUDIO_STOP, true));
|
|
CHECK(ioctl(fd_video, VIDEO_CLEAR_BUFFER));
|
|
CHECK(ioctl(fd_audio, AUDIO_CLEAR_BUFFER));
|
|
CHECK(ioctl(fd_video, VIDEO_SELECT_SOURCE, VIDEO_SOURCE_DEMUX));
|
|
CHECK(ioctl(fd_audio, AUDIO_SELECT_SOURCE, AUDIO_SOURCE_DEMUX));
|
|
CHECK(ioctl(fd_audio, AUDIO_SET_AV_SYNC, true));
|
|
CHECK(ioctl(fd_audio, AUDIO_SET_MUTE, false));
|
|
if (siProcessor)
|
|
siProcessor->SetStatus(true);
|
|
break;
|
|
case pmAudioVideo:
|
|
case pmAudioOnlyBlack:
|
|
if (siProcessor)
|
|
siProcessor->SetStatus(false);
|
|
CHECK(ioctl(fd_video, VIDEO_SET_BLANK, true));
|
|
CHECK(ioctl(fd_audio, AUDIO_SELECT_SOURCE, AUDIO_SOURCE_MEMORY));
|
|
CHECK(ioctl(fd_audio, AUDIO_SET_AV_SYNC, PlayMode == pmAudioVideo));
|
|
CHECK(ioctl(fd_audio, AUDIO_PLAY));
|
|
CHECK(ioctl(fd_video, VIDEO_SELECT_SOURCE, VIDEO_SOURCE_MEMORY));
|
|
CHECK(ioctl(fd_video, VIDEO_PLAY));
|
|
break;
|
|
case pmAudioOnly:
|
|
if (siProcessor)
|
|
siProcessor->SetStatus(false);
|
|
CHECK(ioctl(fd_video, VIDEO_SET_BLANK, true));
|
|
CHECK(ioctl(fd_audio, AUDIO_STOP, true));
|
|
CHECK(ioctl(fd_audio, AUDIO_CLEAR_BUFFER));
|
|
CHECK(ioctl(fd_audio, AUDIO_SELECT_SOURCE, AUDIO_SOURCE_MEMORY));
|
|
CHECK(ioctl(fd_audio, AUDIO_SET_AV_SYNC, false));
|
|
CHECK(ioctl(fd_audio, AUDIO_PLAY));
|
|
CHECK(ioctl(fd_video, VIDEO_SET_BLANK, false));
|
|
break;
|
|
case pmExtern_THIS_SHOULD_BE_AVOIDED:
|
|
if (siProcessor)
|
|
siProcessor->SetStatus(false);
|
|
close(fd_video);
|
|
close(fd_audio);
|
|
fd_video = fd_audio = -1;
|
|
break;
|
|
}
|
|
playMode = PlayMode;
|
|
return true;
|
|
}
|
|
|
|
void cDvbDevice::TrickSpeed(int Speed)
|
|
{
|
|
if (fd_video >= 0)
|
|
CHECK(ioctl(fd_video, VIDEO_SLOWMOTION, Speed));
|
|
}
|
|
|
|
void cDvbDevice::Clear(void)
|
|
{
|
|
if (fd_video >= 0)
|
|
CHECK(ioctl(fd_video, VIDEO_CLEAR_BUFFER));
|
|
if (fd_audio >= 0)
|
|
CHECK(ioctl(fd_audio, AUDIO_CLEAR_BUFFER));
|
|
}
|
|
|
|
void cDvbDevice::Play(void)
|
|
{
|
|
if (playMode == pmAudioOnly || playMode == pmAudioOnlyBlack) {
|
|
if (fd_audio >= 0)
|
|
CHECK(ioctl(fd_audio, AUDIO_CONTINUE));
|
|
}
|
|
else {
|
|
if (fd_audio >= 0)
|
|
CHECK(ioctl(fd_audio, AUDIO_SET_AV_SYNC, true));
|
|
if (fd_video >= 0)
|
|
CHECK(ioctl(fd_video, VIDEO_CONTINUE));
|
|
}
|
|
}
|
|
|
|
void cDvbDevice::Freeze(void)
|
|
{
|
|
if (playMode == pmAudioOnly || playMode == pmAudioOnlyBlack) {
|
|
if (fd_audio >= 0)
|
|
CHECK(ioctl(fd_audio, AUDIO_PAUSE));
|
|
}
|
|
else {
|
|
if (fd_audio >= 0)
|
|
CHECK(ioctl(fd_audio, AUDIO_SET_AV_SYNC, false));
|
|
if (fd_video >= 0)
|
|
CHECK(ioctl(fd_video, VIDEO_FREEZE));
|
|
}
|
|
}
|
|
|
|
void cDvbDevice::Mute(void)
|
|
{
|
|
if (fd_audio >= 0) {
|
|
CHECK(ioctl(fd_audio, AUDIO_SET_AV_SYNC, false));
|
|
CHECK(ioctl(fd_audio, AUDIO_SET_MUTE, true));
|
|
}
|
|
}
|
|
|
|
void cDvbDevice::StillPicture(const uchar *Data, int Length)
|
|
{
|
|
Mute();
|
|
/* Using the VIDEO_STILLPICTURE ioctl call would be the
|
|
correct way to display a still frame, but unfortunately this
|
|
doesn't work with frames from VDR. So let's do pretty much the
|
|
same here as in DVB/driver/dvb.c's play_iframe() - I have absolutely
|
|
no idea why it works this way, but doesn't work with VIDEO_STILLPICTURE.
|
|
If anybody ever finds out what could be changed so that VIDEO_STILLPICTURE
|
|
could be used, please let me know!
|
|
kls 2002-03-23
|
|
*/
|
|
//#define VIDEO_STILLPICTURE_WORKS_WITH_VDR_FRAMES
|
|
#ifdef VIDEO_STILLPICTURE_WORKS_WITH_VDR_FRAMES
|
|
videoDisplayStillPicture sp = { (char *)Data, Length };
|
|
CHECK(ioctl(fd_video, VIDEO_STILLPICTURE, &sp));
|
|
#else
|
|
#define MIN_IFRAME 400000
|
|
for (int i = MIN_IFRAME / Length + 1; i > 0; i--) {
|
|
safe_write(fd_video, Data, Length);
|
|
usleep(1); // allows the buffer to be displayed in case the progress display is active
|
|
}
|
|
#endif
|
|
}
|
|
|
|
bool cDvbDevice::Poll(cPoller &Poller, int TimeoutMs)
|
|
{
|
|
Poller.Add((playMode == pmAudioOnly || playMode == pmAudioOnlyBlack) ? fd_audio : fd_video, true);
|
|
return Poller.Poll(TimeoutMs);
|
|
}
|
|
|
|
int cDvbDevice::PlayVideo(const uchar *Data, int Length)
|
|
{
|
|
int fd = (playMode == pmAudioOnly || playMode == pmAudioOnlyBlack) ? fd_audio : fd_video;
|
|
if (fd >= 0)
|
|
return write(fd, Data, Length);
|
|
return -1;
|
|
}
|
|
|
|
int cDvbDevice::PlayAudio(const uchar *Data, int Length)
|
|
{
|
|
//XXX+
|
|
return -1;
|
|
}
|
|
|
|
bool cDvbDevice::OpenDvr(void)
|
|
{
|
|
CloseDvr();
|
|
fd_dvr = DvbOpen(DEV_DVB_DVR, CardIndex(), O_RDONLY | O_NONBLOCK, true);
|
|
if (fd_dvr >= 0)
|
|
tsBuffer = new cTSBuffer(fd_dvr, MEGABYTE(2), CardIndex() + 1);
|
|
return fd_dvr >= 0;
|
|
}
|
|
|
|
void cDvbDevice::CloseDvr(void)
|
|
{
|
|
if (fd_dvr >= 0) {
|
|
close(fd_dvr);
|
|
fd_dvr = -1;
|
|
delete tsBuffer;
|
|
tsBuffer = NULL;
|
|
}
|
|
}
|
|
|
|
bool cDvbDevice::GetTSPacket(uchar *&Data)
|
|
{
|
|
if (tsBuffer) {
|
|
int r = tsBuffer->Read();
|
|
if (r >= 0) {
|
|
Data = tsBuffer->Get();
|
|
return true;
|
|
}
|
|
else if (FATALERRNO) {
|
|
if (errno == EOVERFLOW)
|
|
esyslog("ERROR: DVB driver buffer overflow on device %d", CardIndex() + 1);
|
|
else {
|
|
LOG_ERROR;
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|