light9 Changeset - 3aae87f6777a

Changeset - 3aae87f6777a

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drewp@bigasterisk.com - 12 years ago 2013-06-13 01:44:05
drewp@bigasterisk.com

vidref grab images for snapshots even if a song is not playing
Ignore-this: 81b9b8c86a6326be3dd5a7d900f16a1b

2 files changed with 16 insertions and 3 deletions:

light9/vidref/musictime.py

light9/vidref/videorecorder.py

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light9/vidref/musictime.py

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@@ @@ -31,6 +31,8 @@ class MusicTime(object): @@
     def getLatest(self):
         """
         dict with 't' and 'song', etc.
         Note that this may be called in a gst camera capture thread.
         """
         if not hasattr(self, 'position'):
             return {'t' : 0, 'song' : None}

light9/vidref/videorecorder.py

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@@ @@ -120,6 +120,14 @@ class VideoRecordSink(gst.Element): @@
                 args = imagesToSave.get()
                 self.saveImg(*args)
                 imagesToSave.task_done()
                 # this is not an ideal place for snapshotRequests
                 # since imagesToSave is allowed to get backed up with
                 # image writes, yet we would still want the next new
                 # image to be used for the snapshot. chainfunc should
                 # put snapshot images in a separate-but-similar queue
                 # to imagesToSave, and then another watcher could use
                 # those to satisfy snapshot requests
                 try:
                     req = self.snapshotRequests.get(block=False)
                 except Empty:
@@ @@ -135,9 +143,8 @@ class VideoRecordSink(gst.Element): @@
     def chainfunc(self, pad, buffer):
         position = self.musicTime.getLatest()
         if not position['song']:
             print "no song" # todo: this prints too much when the player has no song
             return gst.FLOW_OK
         # if music is not playing and there's no pending snapshot
         # request, we could skip the image conversions here.
         try:
             cap = buffer.caps[0]
@@ @@ -151,6 +158,10 @@ class VideoRecordSink(gst.Element): @@
         return gst.FLOW_OK
     def saveImg(self, position, img, bufferTimestamp):
         if not position['song']:
             print "no song"
             return
         t1 = time.time()
         outDir = takeDir(songDir(position['song']), position['started'])
         outFilename = "%s/%08.03f.jpg" % (outDir, position['t'])

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