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-rw-r--r--dvbapi.c193
1 files changed, 160 insertions, 33 deletions
diff --git a/dvbapi.c b/dvbapi.c
index 719437d..e652d99 100644
--- a/dvbapi.c
+++ b/dvbapi.c
@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
- * $Id: dvbapi.c 1.8 2000/04/24 15:30:35 kls Exp $
+ * $Id: dvbapi.c 1.10 2000/05/27 14:07:17 kls Exp $
*/
#include "dvbapi.h"
@@ -70,8 +70,9 @@ private:
struct tIndex { int offset; uchar type; uchar number; short reserved; };
int f;
char *fileName, *pFileExt;
- int last, resume;
+ int size, last, resume;
tIndex *index;
+ bool CatchUp(void);
public:
cIndexFile(const char *FileName, bool Record = false);
~cIndexFile();
@@ -89,6 +90,7 @@ cIndexFile::cIndexFile(const char *FileName, bool Record)
{
f = -1;
fileName = pFileExt = NULL;
+ size = 0;
last = resume = -1;
index = NULL;
if (FileName) {
@@ -108,18 +110,25 @@ cIndexFile::cIndexFile(const char *FileName, bool Record)
}
last = (buf.st_size + delta) / sizeof(tIndex) - 1;
if (!Record && last >= 0) {
- index = new tIndex[last + 1];
- int fi = open(fileName, O_RDONLY);
- if (fi >= 0) {
- if ((int)read(fi, index, buf.st_size) != buf.st_size) {
- esyslog(LOG_ERR, "ERROR: can't read from file '%s'", fileName);
- delete index;
- index = NULL;
+ size = last + 1;
+ index = new tIndex[size];
+ if (index) {
+ f = open(fileName, O_RDONLY);
+ if (f >= 0) {
+ if ((int)read(f, index, buf.st_size) != buf.st_size) {
+ esyslog(LOG_ERR, "ERROR: can't read from file '%s'", fileName);
+ delete index;
+ index = NULL;
+ close(f);
+ f = -1;
+ }
+ // we don't close f here, see CatchUp()!
}
- close(fi);
+ else
+ LOG_ERROR_STR(fileName);
}
else
- LOG_ERROR_STR(fileName);
+ esyslog(LOG_ERR, "ERROR: can't allocate %d bytes for index '%s'", size * sizeof(tIndex), fileName);
}
}
else
@@ -164,6 +173,46 @@ cIndexFile::~cIndexFile()
delete fileName;
}
+bool cIndexFile::CatchUp(void)
+{
+ if (index && f >= 0) {
+ struct stat buf;
+ if (fstat(f, &buf) == 0) {
+ int newLast = buf.st_size / sizeof(tIndex) - 1;
+ if (newLast > last) {
+ if (size <= newLast) {
+ size *= 2;
+ if (size <= newLast)
+ size = newLast + 1;
+ }
+ index = (tIndex *)realloc(index, size * sizeof(tIndex));
+ if (index) {
+ int offset = (last + 1) * sizeof(tIndex);
+ int delta = (newLast - last) * sizeof(tIndex);
+ if (lseek(f, offset, SEEK_SET) == offset) {
+ if (read(f, &index[last + 1], delta) != delta) {
+ esyslog(LOG_ERR, "ERROR: can't read from index");
+ delete index;
+ index = NULL;
+ close(f);
+ f = -1;
+ }
+ last = newLast;
+ return true;
+ }
+ else
+ LOG_ERROR;
+ }
+ else
+ esyslog(LOG_ERR, "ERROR: can't realloc() index");
+ }
+ }
+ else
+ LOG_ERROR;
+ }
+ return false;
+}
+
void cIndexFile::Write(uchar PictureType, uchar FileNumber, int FileOffset)
{
if (f >= 0) {
@@ -181,6 +230,7 @@ void cIndexFile::Write(uchar PictureType, uchar FileNumber, int FileOffset)
bool cIndexFile::Get(int Index, uchar *FileNumber, int *FileOffset, uchar *PictureType)
{
if (index) {
+ CatchUp();
if (Index >= 0 && Index <= last) {
*FileNumber = index[Index].number;
*FileOffset = index[Index].offset;
@@ -195,10 +245,12 @@ bool cIndexFile::Get(int Index, uchar *FileNumber, int *FileOffset, uchar *Pictu
int cIndexFile::GetNextIFrame(int Index, bool Forward, uchar *FileNumber, int *FileOffset, int *Length)
{
if (index) {
+ if (Forward)
+ CatchUp();
int d = Forward ? 1 : -1;
for (;;) {
Index += d;
- if (Index >= 0 && Index <= last) {
+ if (Index >= 0 && Index <= last - 100) { // '- 100': need to stay off the end!
if (index[Index].type == I_FRAME) {
*FileNumber = index[Index].number;
*FileOffset = index[Index].offset;
@@ -226,6 +278,7 @@ int cIndexFile::GetNextIFrame(int Index, bool Forward, uchar *FileNumber, int *F
int cIndexFile::Get(uchar FileNumber, int FileOffset)
{
if (index) {
+ CatchUp();
//TODO implement binary search!
int i;
for (i = 0; i < last; i++) {
@@ -842,6 +895,7 @@ void cReplayBuffer::SkipSeconds(int Seconds)
uchar FileNumber;
int FileOffset;
if (index->GetNextIFrame(Index, false, &FileNumber, &FileOffset) >= 0)
+ if ((Index = index->GetNextIFrame(Index, false, &FileNumber, &FileOffset)) >= 0)
NextFile(FileNumber, FileOffset);
}
}
@@ -987,13 +1041,16 @@ int cReplayBuffer::Write(int Max)
// --- cDvbApi ---------------------------------------------------------------
-cDvbApi::cDvbApi(void)
+int cDvbApi::NumDvbApis = 0;
+cDvbApi *cDvbApi::dvbApi[MAXDVBAPI] = { NULL };
+cDvbApi *cDvbApi::PrimaryDvbApi = NULL;
+
+cDvbApi::cDvbApi(const char *FileName)
{
- isMainProcess = true;
pidRecord = pidReplay = 0;
fromRecord = toRecord = -1;
fromReplay = toReplay = -1;
- videoDev = open(VIDEODEVICE, O_RDWR | O_NONBLOCK);
+ videoDev = open(FileName, O_RDWR | O_NONBLOCK);
if (videoDev < 0)
LOG_ERROR;
cols = rows = 0;
@@ -1011,26 +1068,90 @@ cDvbApi::cDvbApi(void)
leaveok(stdscr, TRUE);
window = NULL;
#endif
- lastProgress = -1;
+ lastProgress = lastTotal = -1;
replayTitle = NULL;
}
cDvbApi::~cDvbApi()
{
- if (isMainProcess) {
- if (videoDev >= 0) {
- Close();
- StopReplay();
- StopRecord();
- close(videoDev);
- }
+ if (videoDev >= 0) {
+ Close();
+ StopReplay();
+ StopRecord();
+ close(videoDev);
+ }
#if defined(DEBUG_REMOTE) || defined(DEBUG_OSD)
- endwin();
+ endwin();
#endif
- }
delete replayTitle;
}
+cDvbApi *cDvbApi::GetDvbApi(int Ca)
+{
+ Ca--;
+ for (int i = MAXDVBAPI; --i >= 0; ) {
+ if (dvbApi[i]) {
+ if ((i == Ca || Ca < 0) && !dvbApi[i]->Recording())
+ return dvbApi[i];
+ }
+ }
+ return NULL;
+}
+
+int cDvbApi::Index(void)
+{
+ for (int i = 0; i < MAXDVBAPI; i++) {
+ if (dvbApi[i] == this)
+ return i;
+ }
+ return -1;
+}
+
+bool cDvbApi::Init(void)
+{
+ char fileName[strlen(VIDEODEVICE) + 10];
+ int i;
+
+ NumDvbApis = 0;
+ for (i = 0; i < MAXDVBAPI; i++) {
+ sprintf(fileName, "%s%d", VIDEODEVICE, i);
+ if (access(fileName, F_OK | R_OK | W_OK) == 0) {
+ dsyslog(LOG_INFO, "probing %s", fileName);
+ int f = open(fileName, O_RDWR);
+ if (f >= 0) {
+ close(f);
+ dvbApi[i] = new cDvbApi(fileName);
+ NumDvbApis++;
+ }
+ else {
+ if (errno != ENODEV)
+ LOG_ERROR_STR(fileName);
+ break;
+ }
+ }
+ else {
+ if (errno != ENOENT)
+ LOG_ERROR_STR(fileName);
+ break;
+ }
+ }
+ PrimaryDvbApi = dvbApi[0];
+ if (NumDvbApis > 0)
+ isyslog(LOG_INFO, "found %d video device%s", NumDvbApis, NumDvbApis > 1 ? "s" : "");
+ else
+ esyslog(LOG_ERR, "ERROR: no video device found, giving up!");
+ return NumDvbApis > 0;
+}
+
+void cDvbApi::Cleanup(void)
+{
+ for (int i = 0; i < MAXDVBAPI; i++) {
+ delete dvbApi[i];
+ dvbApi[i] = NULL;
+ }
+ PrimaryDvbApi = NULL;
+}
+
#ifdef DEBUG_OSD
void cDvbApi::SetColor(eDvbColor colorFg, eDvbColor colorBg)
{
@@ -1095,15 +1216,17 @@ void cDvbApi::Open(int w, int h)
SETCOLOR(clrMagenta, 0xB0, 0x00, 0xFC, 255);
SETCOLOR(clrWhite, 0xFC, 0xFC, 0xFC, 255);
- lastProgress = -1;
+ lastProgress = lastTotal = -1;
}
void cDvbApi::Close(void)
{
-#ifndef DEBUG_OSD
+#ifdef DEBUG_OSD
+ delwin(window);
+#else
Cmd(OSD_Close);
#endif
- lastProgress = -1;
+ lastProgress = lastTotal = -1;
}
void cDvbApi::Clear(void)
@@ -1158,8 +1281,9 @@ bool cDvbApi::ShowProgress(bool Initial)
if (Initial) {
if (replayTitle)
Text(0, 0, replayTitle);
- Text(-7, 2, cIndexFile::Str(Total));
}
+ if (Total != lastTotal)
+ Text(-7, 2, cIndexFile::Str(Total));
#ifdef DEBUG_OSD
int p = cols * Current / Total;
Fill(0, 1, p, 1, clrGreen);
@@ -1191,6 +1315,7 @@ bool cDvbApi::ShowProgress(bool Initial)
}
#endif
Text(0, 2, cIndexFile::Str(Current));
+ lastTotal = Total;
return true;
}
return false;
@@ -1247,6 +1372,8 @@ bool cDvbApi::StartRecord(const char *FileName)
}
if (videoDev >= 0) {
+ StopReplay(); // TODO: remove this if the driver is able to do record and replay at the same time
+
// Check FileName:
if (!FileName) {
@@ -1285,7 +1412,6 @@ bool cDvbApi::StartRecord(const char *FileName)
// This is the actual recording process
dsyslog(LOG_INFO, "start recording process (pid=%d)", getpid());
- isMainProcess = false;
bool DataStreamBroken = false;
int fromMain = toRecordPipe[0];
int toMain = fromRecordPipe[1];
@@ -1371,7 +1497,7 @@ bool cDvbApi::StartReplay(const char *FileName, const char *Title)
StopReplay();
if (videoDev >= 0) {
- lastProgress = -1;
+ lastProgress = lastTotal = -1;
delete replayTitle;
if (Title) {
if ((replayTitle = strdup(Title)) == NULL)
@@ -1411,7 +1537,6 @@ bool cDvbApi::StartReplay(const char *FileName, const char *Title)
// This is the actual replaying process
dsyslog(LOG_INFO, "start replaying process (pid=%d)", getpid());
- isMainProcess = false;
int fromMain = toReplayPipe[0];
int toMain = fromReplayPipe[1];
cReplayBuffer *Buffer = new cReplayBuffer(&videoDev, FileName);
@@ -1440,7 +1565,8 @@ bool cDvbApi::StartReplay(const char *FileName, const char *Title)
}
if (FD_ISSET(fromMain, &setIn)) {
switch (readchar(fromMain)) {
- case dvbStop: Buffer->Stop(); break;
+ case dvbStop: SetReplayMode(VID_PLAY_CLEAR_BUFFER);
+ Buffer->Stop(); break;
case dvbPauseReplay: SetReplayMode(Paused ? VID_PLAY_NORMAL : VID_PLAY_PAUSE);
Paused = !Paused;
FastForward = FastRewind = false;
@@ -1459,6 +1585,7 @@ bool cDvbApi::StartReplay(const char *FileName, const char *Title)
case dvbSkip: {
int Seconds;
if (readint(fromMain, Seconds)) {
+ SetReplayMode(VID_PLAY_CLEAR_BUFFER);
SetReplayMode(VID_PLAY_NORMAL);
FastForward = FastRewind = Paused = false;
Buffer->SetMode(rmPlay);
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-21 08:05:34 +0000