diff options
Diffstat (limited to 'third_party/libaom/source/libaom/av1/encoder/av1_quantize.h')
| -rw-r--r-- | third_party/libaom/source/libaom/av1/encoder/av1_quantize.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/third_party/libaom/source/libaom/av1/encoder/av1_quantize.h b/third_party/libaom/source/libaom/av1/encoder/av1_quantize.h index ad9619747a..215feb0603 100644 --- a/third_party/libaom/source/libaom/av1/encoder/av1_quantize.h +++ b/third_party/libaom/source/libaom/av1/encoder/av1_quantize.h @@ -118,6 +118,32 @@ int av1_qindex_to_quantizer(int qindex); void av1_quantize_skip(intptr_t n_coeffs, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr); +/*!\brief Quantize transform coefficients without using qmatrix + * + * quant_ptr, dequant_ptr and round_ptr are size 2 arrays, + * where index 0 corresponds to dc coeff and index 1 corresponds to ac coeffs. + * + * \param[in] quant_ptr 16-bit fixed point representation of inverse + * quantize step size, i.e. 2^16/dequant + * \param[in] dequant_ptr quantize step size + * \param[in] round_ptr rounding + * \param[in] log_scale the relative log scale of the transform + * coefficients + * \param[in] scan scan[i] indicates the position of ith to-be-coded + * coefficient + * \param[in] coeff_count number of coefficients + * \param[out] qcoeff_ptr quantized coefficients + * \param[out] dqcoeff_ptr dequantized coefficients + * + * \return The last non-zero coefficient's scan index plus 1 + */ +int av1_quantize_fp_no_qmatrix(const int16_t quant_ptr[2], + const int16_t dequant_ptr[2], + const int16_t round_ptr[2], int log_scale, + const int16_t *scan, int coeff_count, + const tran_low_t *coeff_ptr, + tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr); + void av1_quantize_fp_facade(const tran_low_t *coeff_ptr, intptr_t n_coeffs, const MACROBLOCK_PLANE *p, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, |