[chronojump] webcam separate start in two, end in two, and experimental two cameras at RJ
- From: Xavier de Blas <xaviblas src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [chronojump] webcam separate start in two, end in two, and experimental two cameras at RJ
- Date: Fri, 27 Jul 2018 15:52:16 +0000 (UTC)
commit 3a6a89b14b26c622bc7416a5808cdb696ac2dbb4
Author: Xavier de Blas <xaviblas gmail com>
Date: Fri Jul 27 17:50:57 2018 +0200
webcam separate start in two, end in two, and experimental two cameras at RJ
src/gui/chronojump.cs | 142 ++++++++++++++++++++++++++++++++++++++++++--------
src/webcam.cs | 23 +++++++-
2 files changed, 141 insertions(+), 24 deletions(-)
---
diff --git a/src/gui/chronojump.cs b/src/gui/chronojump.cs
index abf86acf..0b45fb6a 100644
--- a/src/gui/chronojump.cs
+++ b/src/gui/chronojump.cs
@@ -4228,32 +4228,99 @@ public partial class ChronoJumpWindow
* --------------------------------------------------------
*/
+ /*
+ * TODO:
+ * if there are two cameras
+ * have two webcam and call: webcamRecordStart and webcamRecordEnd two times
+ * take care pngs of 2n camera have to be in different area
+ * maybe use on /tmp/chronojump-video0 /tmp/chronojump-video1 ...
+ * and at the end merge both mp4s with:
+ *
+ * ffmpeg \
+ * -i RUN-12.mp4 \
+ * -i RUN-11.mp4 \
+ * -filter_complex '[0:v]pad=iw*2:ih[int];[int][1:v]overlay=W/2:0[vid]' \
+ * -map [vid] \
+ * -c:v libx264 \
+ * -crf 23 \
+ * -preset veryfast \
+ * output.mp4
+ *
+ *
https://unix.stackexchange.com/questions/233832/merge-two-video-clips-into-one-placing-them-next-to-each-other
+ * 2nd solution merges audios
+ * 3a solucio diu que la primera perd molts frames
+ */
+
+
Webcam webcam;
- private void webcamRecordStart()
+ Webcam webcam2;
+ private bool webcamRecordPrepare (string videoDevice)
+ {
+ return webcamRecordPrepare (ref webcam, videoDevice);
+ }
+ private bool webcamRecordPrepare (ref Webcam w, string videoDevice)
{
if(preferences.videoDevice == "" || preferences.videoDevice == "0")
{
new DialogMessage(Constants.MessageTypes.WARNING, "Video device is not configured.
Check Preferences / Multimedia.");
- return;
+ return false;
}
- webcam = new Webcam(preferences.videoDevice);
- Webcam.Result result = webcam.MplayerCapture(Webcam.CaptureTypes.VIDEO);
- if(result.success)
+ //w = new Webcam(preferences.videoDevice);
+ LogB.Information("wRS at gui chronojump.cs 0, videoDevice: " + videoDevice);
+
+ w = new Webcam(videoDevice);
+ Webcam.Result result = w.MplayerCapture(Webcam.CaptureTypes.VIDEO);
+
+ LogB.Information("wRS at gui chronojump.cs 1, videoDevice: " + videoDevice);
+ if(! result.success)
{
- webcam.RecordStart();
- label_video_feedback.Text = "Rec.";
+ new DialogMessage(Constants.MessageTypes.WARNING, result.error);
+ button_video_play_this_test.Sensitive = false;
+ return false;
}
- else
+
+ LogB.Information("wRS at gui chronojump.cs 2, videoDevice: " + videoDevice);
+ return true;
+ }
+
+ private void webcamRecordStart()
+ {
+ webcamRecordStart (ref webcam);
+ }
+ private void webcamRecordStart(ref Webcam w)
+ {
+ w.RecordStart();
+ label_video_feedback.Text = "Rec."; //note: don't need to display this message on both cameras
+ }
+
+ private bool webcamRecordEnd()
+ {
+ return webcamRecordEnd(ref webcam);
+ }
+ private bool webcamRecordEnd (ref Webcam w)
+ {
+ LogB.Information("webcamRecordEnd call 0");
+ Webcam.Result result = w.RecordEnd ();
+
+ LogB.Information("webcamRecordEnd call 1");
+ if(! result.success)
{
new DialogMessage(Constants.MessageTypes.WARNING, result.error);
button_video_play_this_test.Sensitive = false;
+ return false;
}
+ LogB.Information("webcamRecordEnd call 2");
+ return true;
}
- private void webcamRecordEnd (Constants.TestTypes testType, int testID)
+ private void webcamExitAndFinish (Constants.TestTypes testType, int testID)
{
- Webcam.Result result = webcam.RecordEnd (currentSession.UniqueID, testType, testID);
+ webcamExitAndFinish (ref webcam, testType, testID);
+ }
+ private void webcamExitAndFinish (ref Webcam w, Constants.TestTypes testType, int testID)
+ {
+ Webcam.Result result = w.ExitAndFinish (currentSession.UniqueID, testType, testID);
if(! result.success)
{
new DialogMessage(Constants.MessageTypes.WARNING, result.error);
@@ -4349,7 +4416,8 @@ public partial class ChronoJumpWindow
//UtilGtk.ChronopicColors(viewport_chronopics, label_chronopics, label_connected_chronopics,
chronopicWin.Connected);
if(preferences.videoOn)
- webcamRecordStart();
+ if(webcamRecordPrepare(preferences.videoDevice))
+ webcamRecordStart();
if (! canCaptureC)
currentEventExecute.SimulateInitValues(rand);
@@ -4413,7 +4481,8 @@ public partial class ChronoJumpWindow
}
if(preferences.videoOn && webcam != null && webcam.Running)
- webcamRecordEnd (Constants.TestTypes.JUMP, currentJump.UniqueID);
+ if(webcamRecordEnd ())
+ webcamExitAndFinish (Constants.TestTypes.JUMP, currentJump.UniqueID);
//since 0.7.4.1 when test is done, treeview select it. action event button have to be shown
//this has to be after webcamRecordEnd in order to see if video is created
@@ -4652,7 +4721,14 @@ public partial class ChronoJumpWindow
);
if(preferences.videoOn)
+ {
+ //do this to start them at the "same moment"
+ bool webcamPrepared = webcamRecordPrepare(preferences.videoDevice);
+ bool webcam2Prepared = webcamRecordPrepare(ref webcam2, "/dev/video1");
+
webcamRecordStart();
+ webcamRecordStart(ref webcam2);
+ }
//suitable for limited by jump and time
//simulated always simulate limited by jumps
@@ -4711,8 +4787,18 @@ public partial class ChronoJumpWindow
//delete the temp tables if exists
Sqlite.DeleteTempEvents("tempJumpRj");
+ //do this to start them at the "same moment"
+ bool webcamRecordEndedOk = false;
+ bool webcam2RecordEndedOk = false;
if(preferences.videoOn && webcam != null && webcam.Running)
- webcamRecordEnd (Constants.TestTypes.JUMP_RJ, currentJumpRj.UniqueID);
+ webcamRecordEndedOk = webcamRecordEnd ();
+ if(preferences.videoOn && webcam2 != null && webcam2.Running)
+ webcam2RecordEndedOk = webcamRecordEnd (ref webcam2);
+
+ if(webcamRecordEndedOk)
+ webcamExitAndFinish (Constants.TestTypes.JUMP_RJ, currentJumpRj.UniqueID);
+ if(webcam2RecordEndedOk)
+ webcamExitAndFinish (ref webcam2, Constants.TestTypes.JUMP_RJ, -1 *
currentJumpRj.UniqueID);
//since 0.7.4.1 when test is done, treeview select it. action event button have to be shown
//this has to be after webcamRecordEnd in order to see if video is created
@@ -4794,7 +4880,8 @@ public partial class ChronoJumpWindow
);
if(preferences.videoOn)
- webcamRecordStart();
+ if(webcamRecordPrepare(preferences.videoDevice))
+ webcamRecordStart();
if (! canCaptureC)
currentEventExecute.SimulateInitValues(rand);
@@ -4820,7 +4907,8 @@ public partial class ChronoJumpWindow
myTreeViewRuns.Add(currentPerson.Name, currentRun);
if(preferences.videoOn && webcam != null && webcam.Running)
- webcamRecordEnd (Constants.TestTypes.RUN, currentRun.UniqueID);
+ if(webcamRecordEnd ())
+ webcamExitAndFinish (Constants.TestTypes.RUN, currentRun.UniqueID);
//since 0.7.4.1 when test is done, treeview select it. action event button have to be
shown
//this has to be after webcamRecordEnd in order to see if video is created
@@ -4923,7 +5011,8 @@ public partial class ChronoJumpWindow
);
if(preferences.videoOn)
- webcamRecordStart();
+ if(webcamRecordPrepare(preferences.videoDevice))
+ webcamRecordStart();
//suitable for limited by tracks and time
if(! canCaptureC)
@@ -4962,7 +5051,8 @@ public partial class ChronoJumpWindow
myTreeViewRunsInterval.Add(currentPerson.Name, currentRunInterval);
if(preferences.videoOn && webcam != null && webcam.Running)
- webcamRecordEnd (Constants.TestTypes.RUN_I, currentRunInterval.UniqueID);
+ if(webcamRecordEnd ())
+ webcamExitAndFinish (Constants.TestTypes.RUN_I,
currentRunInterval.UniqueID);
//since 0.7.4.1 when test is done, treeview select it. action event button have to be
shown
//this has to be after webcamRecordEnd in order to see if video is created
@@ -5141,7 +5231,8 @@ public partial class ChronoJumpWindow
);
if(preferences.videoOn)
- webcamRecordStart();
+ if(webcamRecordPrepare(preferences.videoDevice))
+ webcamRecordStart();
if (! canCaptureC)
currentEventExecute.SimulateInitValues(rand);
@@ -5216,7 +5307,8 @@ public partial class ChronoJumpWindow
myTreeViewReactionTimes.Add(currentPerson.Name, currentReactionTime);
if(preferences.videoOn && webcam != null && webcam.Running)
- webcamRecordEnd (Constants.TestTypes.RT, currentReactionTime.UniqueID);
+ if(webcamRecordEnd ())
+ webcamExitAndFinish (Constants.TestTypes.RT,
currentReactionTime.UniqueID);
//since 0.7.4.1 when test is done, treeview select it. action event button have to be
shown
//this has to be after webcamRecordEnd in order to see if video is created
@@ -5297,7 +5389,8 @@ public partial class ChronoJumpWindow
);
if(preferences.videoOn)
- webcamRecordStart();
+ if(webcamRecordPrepare(preferences.videoDevice))
+ webcamRecordStart();
if(! canCaptureC)
currentEventExecute.SimulateInitValues(rand);
@@ -5336,7 +5429,8 @@ public partial class ChronoJumpWindow
myTreeViewPulses.Add(currentPerson.Name, currentPulse);
if(preferences.videoOn && webcam != null && webcam.Running)
- webcamRecordEnd (Constants.TestTypes.PULSE, currentPulse.UniqueID);
+ if(webcamRecordEnd ())
+ webcamExitAndFinish (Constants.TestTypes.PULSE,
currentPulse.UniqueID);
//since 0.7.4.1 when test is done, treeview select it. action event button have to be
shown
//this has to be after webcamRecordEnd in order to see if video is created
@@ -5581,7 +5675,8 @@ public partial class ChronoJumpWindow
);
if(preferences.videoOn)
- webcamRecordStart();
+ if(webcamRecordPrepare(preferences.videoDevice))
+ webcamRecordStart();
//mark to only get inside on_multi_chronopic_finished one time
multiFinishing = false;
@@ -5639,7 +5734,8 @@ LogB.Debug("mc finished 4");
LogB.Debug("mc finished 5");
if(preferences.videoOn && webcam != null && webcam.Running)
- webcamRecordEnd (Constants.TestTypes.MULTICHRONOPIC,
currentMultiChronopic.UniqueID);
+ if(webcamRecordEnd ())
+ webcamExitAndFinish (Constants.TestTypes.MULTICHRONOPIC,
currentMultiChronopic.UniqueID);
//since 0.7.4.1 when test is done, treeview select it. action event button have to be
shown
//this has to be after webcamRecordEnd in order to see if video is created
diff --git a/src/webcam.cs b/src/webcam.cs
index a293fcb3..97fd2d04 100644
--- a/src/webcam.cs
+++ b/src/webcam.cs
@@ -111,6 +111,21 @@ class Webcam
return new Result (false, "", Constants.MplayerNotInstalled);
}
+ /*
+ * experimental double camera start
+ */
+ /*
+ List<string> parametersB = parameters;
+ parametersB[4] =
"driver=v4l2:gain=1:width=400:height=400:device=/dev/video1:fps=10:outfmt=rgb16";
+ parametersB[7] = "screenshot=/tmp/b/chronojump-last-photo";
+ Process processB = new Process();
+ ExecuteProcess.RunAtBackground (processB, executable, parametersB, true); //redirectInput
+ */
+ /*
+ * experimental double camera end
+ */
+
+
streamWriter = process.StandardInput;
Running = true;
@@ -177,7 +192,8 @@ class Webcam
return new Result (true, "");
}
- public Result RecordEnd(int sessionID, Constants.TestTypes testType, int testID)
+ //short process, to do end capture (good if there's more than one camera to end capture all at same
time)
+ public Result RecordEnd()
{
if(process == null || streamWriter == null)
return new Result (false, "", Constants.MplayerClosed);
@@ -186,6 +202,11 @@ class Webcam
if(! recordStartOrEndDo())
return new Result (false, "", Constants.MplayerCannotSave);
+ return new Result (true, "");
+ }
+
+ public Result ExitAndFinish (int sessionID, Constants.TestTypes testType, int testID)
+ {
ExitCamera();
if(! findIfThereAreImagesToConvert())
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