Exemplo n.º 1
0
 def process_video_tag(self, videosink, data):
     import flvscreen, zlib
     (frametype, codecid) = ord(data[0]) >> 4, ord(data[0]) & 0xf
     # must be ScreenVideo
     if codecid != 3: return
     (blockwidth, imagewidth) = ord(data[1]) >> 4, (ord(data[1]) & 0xf) << 8 | ord(data[2])
     (blockheight, imageheight) = ord(data[3]) >> 4, (ord(data[3]) & 0xf) << 8 | ord(data[4])
     blockwidth = (blockwidth+1)*16
     blockheight = (blockheight+1)*16
     hblocks = (imagewidth+blockwidth-1)/blockwidth
     vblocks = (imageheight+blockheight-1)/blockheight
     if not videosink.initialized:
         videosink.init_screen(imagewidth, imageheight)
     fp = StringIO(data[5:])
     changed = []
     for y in xrange(vblocks):
         for x in xrange(hblocks):
             (length,) = unpack('>H', fp.read(2))
             if not length: continue
             data = fp.read(length)
             x0 = x*blockwidth
             y0 = imageheight - (y+1)*blockheight
             w = min(blockwidth, imagewidth-x0)
             h = blockheight
             if y0 < 0:
                 h += y0
                 y0 = 0
             data = zlib.decompress(data)
             data = flvscreen.flv2rgba(w, h, data)
             changed.append((x,vblocks-y-1))
             videosink.update_screen_rgbabits((x0, y0), (w, h), data)
     return
Exemplo n.º 2
0
 def process_video_tag(self, videosink, data):
     import flvscreen, zlib
     (frametype, codecid) = ord(data[0]) >> 4, ord(data[0]) & 0xf
     # must be ScreenVideo
     if codecid != 3: return
     (blockwidth,
      imagewidth) = ord(data[1]) >> 4, (ord(data[1]) & 0xf) << 8 | ord(
          data[2])
     (blockheight,
      imageheight) = ord(data[3]) >> 4, (ord(data[3]) & 0xf) << 8 | ord(
          data[4])
     blockwidth = (blockwidth + 1) * 16
     blockheight = (blockheight + 1) * 16
     hblocks = (imagewidth + blockwidth - 1) / blockwidth
     vblocks = (imageheight + blockheight - 1) / blockheight
     if not videosink.initialized:
         videosink.init_screen(imagewidth, imageheight)
     fp = StringIO(data[5:])
     changed = []
     for y in xrange(vblocks):
         for x in xrange(hblocks):
             (length, ) = unpack('>H', fp.read(2))
             if not length: continue
             data = fp.read(length)
             x0 = x * blockwidth
             y0 = imageheight - (y + 1) * blockheight
             w = min(blockwidth, imagewidth - x0)
             h = blockheight
             if y0 < 0:
                 h += y0
                 y0 = 0
             data = zlib.decompress(data)
             data = flvscreen.flv2rgba(w, h, data)
             changed.append((x, vblocks - y - 1))
             videosink.update_screen_rgbabits((x0, y0), (w, h), data)
     return
Exemplo n.º 3
0
 def testFLV2RGBA(self):
     self.assertEqual(flvscreen.flv2rgba(2, 2, "123456abcdef"), "cba\x00fed\x00321\x00654\x00")
     self.assertRaises(flvscreen.FlvError, lambda: flvscreen.flv2rgba(2, 2, "12"))
     return
Exemplo n.º 4
0
 def testFLV2RGBA(self):
     self.assertEqual(flvscreen.flv2rgba(2, 2, '123456abcdef'),
                      'cba\x00fed\x00321\x00654\x00')
     self.assertRaises(flvscreen.FlvError,
                       lambda: flvscreen.flv2rgba(2, 2, '12'))
     return