![]() Class Identifier The class identifier (CLSID) of the MP3 encoder is CLSIDMP3ACMCodecWrapper, defined in the header file wmcodecdsp.h. The MP3 encoder does not support the following formats defined by the standard. The Microsoft Media Foundation MP3 audio encoder is a Media Foundation Transform (MFT) that encodes MPEG-1 layer 3 (MP3) audio. The MP3 encoder also supports the following formats. The MP3 encoder supports the standard with some exceptions, as well as some additional formats, as described below. The MPEG-1 and MPEG-2 standard defines 252 layer 3 audio formats. It does not support 32-bit floating point input. The encoder supports only 16-bit integer PCM input. Set the following attributes on the input media type. This attribute contains the 12 bytes of the MPEGLAYER3WAVEFORMAT structure that follow the wfx member of that structure.Īlternatively, you can fill in an MPEGLAYER3WAVEFORMAT structure and call MFInitMediaTypeFromWaveFormatEx to convert the structure to a Media Foundation media type. Use this attribute to specify the encoded bit rate. The default bit rates are 128 Kbps for mono and 320 Kbps for stereo. The encoder supports all bit rates defined by the standard (32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, or 320 Kbps). Features: Low CPU load (as little as 7.5 MHz) Low memory requirements (12.3 Kb RAM + 24-27 Kb ROM) Fully compliant to the MPEG-1 and MPEG-2 layers I, II and. Attributeīit rate of the encoded MP3 stream, in bytes per second. Set the following attributes on the output media type. The output type must be set before the input type. We support wav, flac, wma, m4a, alac, ogg, aac, amr, aiff, mp4, m4v, mkv, avi, wmv, f4v, f4p, mov, and more. winLAME lets you read in audio tracks from CDs or encode audio files from your hard drive. Our MP3 Converter can convert any audio or video file to MP3 format. winLAME is an easy to use encoder for many audio formats, including MP3, Opus, Ogg Vorbis and more. LAME is free, but in some countries you may need to pay a license fee in order to legally encode MP3 files. The MP3 encoder supports the following media types. winLAME is an easy to use encoder for many audio formats, e.g. ![]() The class identifier (CLSID) of the MP3 encoder is CLSID_MP3ACMCodecWrapper, defined in the header file wmcodecdsp.h. ![]() The Microsoft Media Foundation MP3 audio encoder is a Media Foundation Transform (MFT) that encodes MPEG-1 layer 3 (MP3) audio.
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