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MF_MT_AUDIO_BITS_PER_SAMPLE attribute (Mfapi.h) - …
https://docs.microsoft.com/en-us/windows/win32/medfound/mf-mt-audio-bits-per-sample-attribute
(Each audio sample has the range 0–255.) If the audio contains 16 bits per sample or higher, the audio samples are signed values. The GUID constant for …
MF_MT_AUDIO_VALID_BITS_PER_SAMPLE attribute …
https://docs.microsoft.com/en-us/windows/win32/medfound/mf-mt-audio-valid-bits-per-sample-attribute
If an audio format does not contain any padding bits, then this attribute should not be set, or should be set to the same value as the MF_MT_AUDIO_BITS_PER_SAMPLE attribute. This attribute corresponds to the wValidBitsPerSample member of the WAVEFORMATEXTENSIBLE structure.
win32/mf-mt-audio-bits-per-sample-attribute.md at docs ...
https://github.com/MicrosoftDocs/win32/blob/docs/desktop-src/medfound/mf-mt-audio-bits-per-sample-attribute.md
MF_MT_AUDIO_BITS_PER_SAMPLE attribute. Number of bits per audio sample in an audio media type. Data type. UINT32. Remarks. This attribute corresponds to the wBitsPerSample member of the WAVEFORMATEX structure.
MF_MT_AUDIO_BITS_PER_SAMPLE Always Returns Zero - Johnnn
https://johnnn.tech/q/mf_mt_audio_bits_per_sample-always-returns-zero/
MF_MT_AUDIO_BITS_PER_SAMPLE Always Returns Zero. 27 views July 15, 2021 c++ audio c++ ms-media-foundation winapi. 0. George 383.12K July 15, 2021 0 Comments I’ve been trying to retrieve the bits per sample in the Media Foundation Framework but it always returns 0, or gives an ‘requested attribute not found’ HRESULT.
Uncompressed Audio Media Types - Win32 apps | …
https://docs.microsoft.com/en-us/windows/win32/medfound/uncompressed-audio-media-types
Set this attribute if the audio samples have padding—that is, if the number of valid bits in each audio sample is less than the sample size. MF_MT_AUDIO_CHANNEL_MASK The assignment of audio channels to speaker positions.
MP3 Audio Encoder - Win32 apps | Microsoft Docs
https://docs.microsoft.com/en-us/windows/win32/medfound/mp3-audio-encoder
Audio subtype. Must be MFAudioFormat_MP3. MF_MT_AUDIO_AVG_BYTES_PER_SECOND. Bit rate of the encoded MP3 stream, in bytes per second. 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). The default bit rates are 128 Kbps for mono and 320 …
MPEG-2 Audio Encoder - Win32 apps | Microsoft Docs
https://docs.microsoft.com/en-us/windows/win32/medfound/mpeg-2-audio-encoder
If set, the value must be identical to MF_MT_AUDIO_BITS_PER_SAMPLE. The encoder does not support sample-rate conversion or stereo/mono conversion. If the optional attributes are not set, the encoder adds them to the media type after the type is set.
c++ - Encode Audio using Sink Writer - Stack Overflow
https://stackoverflow.com/questions/40439860/encode-audio-using-sink-writer
I found this article that explaing how to encode a video using Media Foundation.. I am trying to encode an audio using the principle used in the above link. I am stuck on setting a correct input media type for the sink writer.
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