MainConcept™ H.264/AVC

Plug-In for MainConcept Reference

Features

Windows | Mac/Intel

Features at a glance:

Up to 5.1 level Baseline, Main and High profiles
Available Bitrates: 20 Mbps
I, P, B slices. One picture can comprise slices of one type only. Pyramid structure is enabled
Resolution: Up to 5.1 Level restriction (36864 macroblocks)
Chroma Format: 4:2:0
Single instance at the time
Only one physical CPU
Only ConstQ and VBR rate control modes (thus no CBR)
Intra modes: 16x16 and 4x4 for luma, 8x8 for chroma
Inter modes: 16x16, 16x8, 8x16, 8x8, the Skip mode for P- and B-frames, Spatial Direct mode for B-frames
CABAC/CAVLC according to profiles restriction
Multi-reference Inter Prediction
In-loop (deblocking filter)
Interlace support: Up to 5.1 level Baseline, Main and High Profiles
Multi-pass encoding
AVCHD
New presets added, such as Apple iPod 640x480 etc.
The Windows version also includes the MainConcept H.264 Decoder, enabling playback of H.264/AVC files in Windows Media Player and other DirectShow compatible programs

Audio:

Fully compliant to ISO/IEC 14496-3 (MPEG-4 AAC) and ISO/IEC 13818-7 (MPEG-2 AAC)
Fully compliant to ISO/IEC 14496-3 Amendment 1 (HE v1)
Fully compliant to ISO/IEC 14496-3 Amendment 2 (HE v2)
Encoding supports Low Complexity, HE v1 and HE v2
Decoding supports LC, Main, LTP, HE v1, HE v2
Sampling rates supported for LC: 8, 11.025, 16, 22.05, 24, 32, 44.1, 48, 64, 88.2 and 96 kHz
Sampling rates supported for HE: 16, 22.05, 24, 32, 44.1, 48 kHz
Constant bitrates (CBR) supported for LC: 6, 7, 8, 10, 12, 14, 16, 20, 24, 28, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384, 448, 512, 640, 768, 896 and 1024 kbps (maximum bitrate depends on the sampling rate and number of channels)
HE v1 constant bitrates (CBR) supported, sampling frequency dependent, e.g. 44.1 kHz stereo

HE v2 constant bitrates (CBR) supported, sampling frequency dependent, e.g. 44.1 kHz stereo

9 quality levels for variable bitrates (VBR) encoding (LC only)
Support for 8, 16 and 24-bit PCM input
Output format: RAW (no header, used for multiplexing into mp4 file format), ADTS (Audio Data Transport Stream header, stand-alone AAC files), LOAS/LATM (used for multiplexing into MPEG-2 streams)
Channel configurations supported for LC and HE v1:

mono (1 channel, front center speaker)
stereo (2 channels, front left+right speakers)
LRC (3 channels, front left+right+center speakers)
LRCS (4 channels, front left+right+center, back center speakers)
5.0 (5 channels, front left+right+center, back left+right)
5.1 surround (6 channels, front left+right+center, back left+right, low frequency enhance speakers)

Stream Type: