FmtConvertContext Struct Reference

Convert multiple arrays of float to an array of interleaved float.

Parameters:

dst destination array of interleaved float. constraints: 16-byte aligned

src source array of float arrays, one for each channel. constraints: 16-byte aligned

len number of elements to convert. constraints: multiple of 8

channels number of channels

Referenced by aac_decode_frame_int(), ac3_decode_frame(), atrac1_decode_frame(), atrac3_decode_frame(), dca_decode_frame(), decode_frame(), ff_fmt_convert_init(), ff_fmt_convert_init_x86(), and vorbis_decode_frame().

Convert an array of float to an array of int16_t.

Convert floats from in the range [-32768.0,32767.0] to ints without rescaling

Parameters:

dst destination array of int16_t. constraints: 16-byte aligned

src source array of float. constraints: 16-byte aligned

len number of elements to convert. constraints: multiple of 8

Referenced by ff_fmt_convert_init(), ff_fmt_convert_init_altivec(), ff_fmt_convert_init_arm(), ff_fmt_convert_init_mips(), and ff_fmt_convert_init_x86().

Convert multiple arrays of float to an interleaved array of int16_t.

Convert floats from in the range [-32768.0,32767.0] to ints without rescaling

Parameters:

dst destination array of interleaved int16_t. constraints: 16-byte aligned

src source array of float arrays, one for each channel. constraints: 16-byte aligned

len number of elements to convert. constraints: multiple of 8

channels number of channels

Referenced by aac_decode_frame_int(), ac3_decode_frame(), atrac3_decode_frame(), dca_decode_frame(), ff_fmt_convert_init(), ff_fmt_convert_init_altivec(), ff_fmt_convert_init_arm(), ff_fmt_convert_init_mips(), ff_fmt_convert_init_x86(), vorbis_decode_frame(), and wma_decode_frame().

Convert an array of int32_t to float and multiply by a float value.

Parameters:

dst destination array of float. constraints: 16-byte aligned

src source array of int32_t. constraints: 16-byte aligned

len number of elements to convert. constraints: multiple of 8

Referenced by dca_subsubframe(), decode_audio_block(), ff_fmt_convert_init(), ff_fmt_convert_init_altivec(), ff_fmt_convert_init_arm(), ff_fmt_convert_init_mips(), and ff_fmt_convert_init_x86().