diff options
Diffstat (limited to 'Demo/sgi/video/Viewer.py')
| -rwxr-xr-x | Demo/sgi/video/Viewer.py | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/Demo/sgi/video/Viewer.py b/Demo/sgi/video/Viewer.py deleted file mode 100755 index 07cba54..0000000 --- a/Demo/sgi/video/Viewer.py +++ /dev/null @@ -1,255 +0,0 @@ -import gl, GL -import VFile -import os - - -class InputViewer: - - def __init__(self, filename, title, *args): - try: - self.vin = VFile.VinFile(filename) - except (EOFError, VFile.Error): - raise IOError, 'bad video input file' - self.vin.warmcache() - if not title: - title = os.path.split(filename)[1] - self.filename = filename - self.title = title - self.qsize = len(self.vin.index) - gl.foreground() - gl.prefsize(self.vin.width, self.vin.height) - self.wid = -1 - self.reset() - - def close(self): - self.vin.close() - if self.wid > 0: - gl.winclose(self.wid) - - def rewind(self): - self.vin.rewind() - self.reset() - - def getinfo(self): - return self.vin.getinfo() - - # Internal - def reset(self): - if self.wid > 0: - gl.winset(self.wid) - gl.clear() - self.vin.initcolormap() - self.qindex = 0 - - def show(self): - if self.wid < 0: - gl.foreground() - gl.prefsize(self.vin.width, self.vin.height) - self.wid = gl.winopen(self.title) - gl.clear() - self.vin.initcolormap() - gl.winset(self.wid) - if self.qindex >= self.qsize: - self.vin.clear() - return - dt, d, cd = self.vin.getrandomframe(self.qindex) - self.vin.showframe(d, cd) - - def redraw(self, wid): - if wid == self.wid >= 0: - gl.winset(self.wid) - gl.reshapeviewport() - self.vin.clear() - self.show() - - def get(self): - if self.qindex >= self.qsize: - return None - if self.qindex > 0: - prevt, ds, cs = \ - self.vin.getrandomframeheader(self.qindex-1) - else: - prevt = 0 - t, data, cdata = self.vin.getrandomframe(self.qindex) - self.qindex = self.qindex + 1 - return t-prevt, data, cdata - - def backup(self): - if self.qindex == 0: - return 0 - self.qindex = self.qindex - 1 - return 1 - - def seek(self, i): - if not 0 <= i <= self.qsize: - return 0 - self.qindex = i - return 1 - - def tell(self): - return self.qindex - - def qsizes(self): - return self.qindex, self.qsize - self.qindex - - def qinfo(self): - return 0, self.qindex, self.qsize - - -class OutputViewer: - - def __init__(self, filename, title, qsize): - try: - self.vout = VFile.VoutFile(filename) - except (EOFError, VFile.Error): - raise IOError, 'bad video output file' - if not title: - title = os.path.split(filename)[1] - self.filename = filename - self.title = title - self.qsize = qsize - gl.foreground() - self.wid = -1 - self.reset() - - def close(self): - while self.queue: - self.flushq() - self.vout.close() - if self.wid > 0: - gl.winclose(self.wid) - - def rewind(self): - info = self.vout.getinfo() - self.vout.close() - self.vout = VFile.VoutFile(self.filename) - self.vout.setinfo(info) - self.reset() - - def getinfo(self): - return self.vout.getinfo() - - def setinfo(self, info): - if info == self.getinfo(): return # No change - self.vout.setinfo(info) - if self.wid > 0: - gl.winclose(self.wid) - self.wid = -1 - - # Internal - def reset(self): - if self.wid > 0: - gl.winset(self.wid) - gl.clear() - self.vout.initcolormap() - self.queue = [] - self.spares = [] - self.written = 0 - self.lastt = 0 - - # Internal - def flushq(self): - if self.written == 0: - self.vout.writeheader() - dt, d, cd = self.queue[0] - self.lastt = self.lastt + dt - self.vout.writeframe(self.lastt, d, cd) - del self.queue[0] - self.written = self.written + 1 - - def show(self): - if self.wid < 0: - gl.foreground() - gl.prefsize(self.vout.width, self.vout.height) - self.wid = gl.winopen(self.title) - gl.clear() - self.vout.initcolormap() - gl.winset(self.wid) - if not self.queue: - self.vout.clear() - return - dt, d, cd = self.queue[-1] - self.vout.showframe(d, cd) - - def redraw(self, wid): - if wid == self.wid >= 0: - gl.winset(self.wid) - gl.reshapeviewport() - self.vout.clear() - self.show() - - def backup(self): - if len(self.queue) < 1: return 0 - self.spares.insert(0, self.queue[-1]) - del self.queue[-1] - return 1 - - def forward(self): - if not self.spares: return 0 - self.queue.append(self.spares[0]) - del self.spares[0] - return 1 - - def put(self, item): - self.queue.append(item) - self.spares = [] - while len(self.queue) > self.qsize: - self.flushq() - - def seek(self, i): - i = i - self.written - if not 0 <= i <= len(self.queue) + len(self.spares): - return 0 - while i < len(self.queue): - if not self.backup(): - return 0 - while i > len(self.queue): - if not self.forward(): - return 0 - return 1 - - def trunc(self): - del self.spares[:] - - def tell(self): - return self.written + len(self.queue) - - def qsizes(self): - return len(self.queue), len(self.spares) - - def qinfo(self): - first = self.written - pos = first + len(self.queue) - last = pos + len(self.spares) - return first, pos, last - - -def test(): - import sys - a = InputViewer(sys.argv[1], '') - b = OutputViewer(sys.argv[2], '') - b.setinfo(a.getinfo()) - - while 1: - a.show() - data = a.get() - if data is None: - break - b.put(data) - b.show() - - while a.backup(): - data = a.get() - b.put(data) - b.show() - if a.backup(): a.show() - - while 1: - data = a.get() - if data is None: - break - b.put(data) - b.show() - a.show() - - b.close() |