(self, agg, pad, bdata)
| 65 | ) |
| 66 | |
| 67 | def mix_buffers(self, agg, pad, bdata): |
| 68 | buf = pad.pop_buffer() |
| 69 | _, info = buf.map(Gst.MapFlags.READ) |
| 70 | |
| 71 | img = Image.frombuffer('RGBA', (320, 240), info.data, "raw", 'RGBA', 0, 1) |
| 72 | |
| 73 | bdata.outimg = Image.blend(bdata.outimg, img, alpha=0.5) |
| 74 | bdata.pts = buf.pts |
| 75 | |
| 76 | buf.unmap(info) |
| 77 | |
| 78 | bdata.eos = False |
| 79 | |
| 80 | return True |
| 81 | |
| 82 | def do_aggregate(self, timeout): |
| 83 | outimg = Image.new('RGBA', (320, 240), 0x00000000) |