For decoders, a hardware pixel format which that decoder may be
able to decode to if suitable hardware is available.
For encoders, a pixel format which the encoder may be able to
accept. If set to AV_PIX_FMT_NONE, this applies to all pixel
formats supported by the codec.
For decoders, a hardware pixel format which that decoder may be able to decode to if suitable hardware is available.
For encoders, a pixel format which the encoder may be able to accept. If set to AV_PIX_FMT_NONE, this applies to all pixel formats supported by the codec.