Features – Video & Audio Codecs, Transcoding and Processing¶

Explore by product: Video SDK · Audio SDK · Voice SDK · Transcoding SDK

Explore by codec / format: H.264 · H.265/HEVC · AAC · MP3 · Opus · MPEG-2 · WebM/VP9 · MP4

Codecs¶

Audio¶

Advanced Audio Coding (AAC / MPEG-2 Part 7 / MPEG-4 Part 3)
MPEG-1 Audio Layer 1, 2, 3 (MP3)
MPEG-2 Audio Layer 1, 2, 3 (MPEG-2 Part 3)
Vorbis Audio
Opus Audio
G.711 · A-Law Audio · μ-Law Audio · PCM
G.726 Speech Audio · ADPCM
Dolby Digital Audio (AC-3) ¹⁾
Windows Media Audio ²⁾
PCM Audio · LPCM Audio

1) Decoding only 2) Windows only

Video¶

H.265 / HEVC / MPEG-H Part 2 ^{1) 3)}
H.264 / AVC / MPEG-4 Part 10
VP9
VP8
MPEG-4 Part 2
H.263
H.262 / MPEG-2 Part 2
H.261
VC-1
MJPEG ²⁾
Windows Media Video ³⁾

1) Only on NVIDIA Maxwell Gen. 2 GPUs and newer 2) Decoding only 3) Windows only

Transcoding & Processing¶

Audio Transcoding & Processing¶

Audio Resampling
Mono Audio to Stereo Audio
Multi-channel Audio to Stereo Audio
Stereo Audio to Mono Audio
Change Audio Bitrate

Video Transcoding & Processing¶

Image Overlay
Crop Video
Resize Video
De-interlace Video
Change Video Frame Rate
Change Video Bitrate

File Formats / Containers / Systems¶

MP4 · MP4 FastStart
WebM / Matroska
Duck IVF (VP8 and VP9)
MPEG-2 TS
MPEG-2 PS
MPEG-1
AVI ¹⁾
WMV · WMA · ASF ²⁾
WAV

1) Reading only 2) Windows only

Device Presets¶

Apple TV · HTTP Live Streaming
iPad · iPhone · iPod Touch · iPod Classic
Android H.264 · Android WebM
Blu-ray Disc Audio / Video (BDAV)
DVD NTSC · DVD PAL
DVD NTSC · DVD PAL
Audio CD

Supported Platforms¶

macOS¶

64Bit · Dynamic Libraries · Unicode
C++ · Objective-C++
Xcode 26 · 16 · 15
macOS 26 (Tahoe) · macOS 15 (Sequoia) · macOS 14 (Sonoma) · macOS 13 (Ventura) · Intel Only

Linux¶

64Bit · Shared Libraries · Unicode
C++
GCC 9+
Ubuntu 24.04 LTS · 22.04 LTS · 20.04 LTS

Windows¶

64Bit · Dynamic Libraries · Unicode
C++ · .NET 10 · .NET 4.8 (CLR 4)
Visual Studio 2026 · 2022 · 2019
Windows 11 · Windows 10
Windows Server 2025 · Windows Server 2022 · Windows Server 2019