AVSAMPLEFMTNB

AVSAMPLEFMTNB is an enumerator value used within the FFmpeg multimedia framework. It specifically denotes a sample format for audio data, representing a signed 32-bit integer format that is not byte-swapped. This means that the audio samples are stored as 32-bit signed integers, and the order of bytes within each integer is in the native endianness of the system.

This format is suitable for audio processing where precise integer representation is required, and it offers a wide dynamic range due to its 32-bit depth. When FFmpeg encounters audio data with this sample format, it understands how to interpret and process the raw audio samples. The "NB" suffix in AVSAMPLEFMTNB stands for "Native Byte-order," indicating that no byte swapping is necessary for correct interpretation on the current platform.

The use of specific enumerators like AVSAMPLEFMTNB allows FFmpeg to manage various audio data types efficiently and accurately. It plays a role in functions related to audio decoding, encoding, and processing, ensuring that audio samples are handled correctly regardless of their original storage format or the system's endianness. This detailed specification of sample formats is crucial for maintaining audio integrity throughout the multimedia processing pipeline.