diff options
Diffstat (limited to 'ffmpeg/libavcodec/fmtconvert.h')
| -rw-r--r-- | ffmpeg/libavcodec/fmtconvert.h | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/ffmpeg/libavcodec/fmtconvert.h b/ffmpeg/libavcodec/fmtconvert.h index 3fb9f4e..30abcc3 100644 --- a/ffmpeg/libavcodec/fmtconvert.h +++ b/ffmpeg/libavcodec/fmtconvert.h @@ -35,7 +35,24 @@ typedef struct FmtConvertContext { * @param len number of elements to convert. * constraints: multiple of 8 */ - void (*int32_to_float_fmul_scalar)(float *dst, const int *src, float mul, int len); + void (*int32_to_float_fmul_scalar)(float *dst, const int32_t *src, + float mul, int len); + + /** + * Convert an array of int32_t to float and multiply by a float value from another array, + * stepping along the float array once for each 8 integers. + * @param c pointer to FmtConvertContext. + * @param dst destination array of float. + * constraints: 16-byte aligned + * @param src source array of int32_t. + * constraints: 16-byte aligned + * @param mul source array of float multipliers. + * @param len number of elements to convert. + * constraints: multiple of 8 + */ + void (*int32_to_float_fmul_array8)(struct FmtConvertContext *c, + float *dst, const int32_t *src, + const float *mul, int len); /** * Convert an array of float to an array of int16_t. @@ -90,7 +107,7 @@ void ff_float_interleave_c(float *dst, const float **src, unsigned int len, void ff_fmt_convert_init(FmtConvertContext *c, AVCodecContext *avctx); void ff_fmt_convert_init_arm(FmtConvertContext *c, AVCodecContext *avctx); -void ff_fmt_convert_init_altivec(FmtConvertContext *c, AVCodecContext *avctx); +void ff_fmt_convert_init_ppc(FmtConvertContext *c, AVCodecContext *avctx); void ff_fmt_convert_init_x86(FmtConvertContext *c, AVCodecContext *avctx); void ff_fmt_convert_init_mips(FmtConvertContext *c); |