H 264 Codec Block Diagram. H320 h261 video conferencing over isdn cif qcif 37 mbps 91 mbps 384 kbps 64 kbps h323 h263 video conferencing over internet 4cif cif qcif 64 kbps h324 h263 video over phone lines wireless qcif 91 mbps 18 kbps mpeg 1 video distribution on cd www cif 30 mbps 15 mbps mpeg 2 video distribution on dvd digital tv. H 264 encoder block diagram explanation 1967 vw beetle wiring harness diagram begeboy wiring diagram source.
The encoder figure 1 a includes two dataflow paths a forward path left to right shown in blue and a reconstruction path right to left shown in magenta. Very low latency at 03sec. A codec based on the h264 standard compresses video to roughly half the space of mpeg 2 the dvd standard to deliver the same high quality video.
Every frame is processed in units of a macroblock mb of size 16x16 pixels.
As it is shown in the top level block diagram of an h264 decoder in figure 1 one of these tools is the intra prediction algorithm used in the baseline profile of h264 standard 1 2. Each macroblock is encoded in intra or inter mode. Comparison from h264avc video codec imran ullah khan 1 skumar 2. This can be traced to several facts since the deblocking algorithm is highly adaptive.