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21 #if defined(TEMPLATE_REMATRIX_FLT)
26 # define RENAME(x) x ## _float
27 #elif defined(TEMPLATE_REMATRIX_DBL)
29 # define SAMPLE double
32 # define RENAME(x) x ## _double
33 #elif defined(TEMPLATE_REMATRIX_S16)
34 # define SAMPLE int16_t
38 # define R(x) av_clip_int16(((x) + 16384)>>15)
39 # define RENAME(x) x ## _clip_s16
41 # define R(x) (((x) + 16384)>>15)
42 # define RENAME(x) x ## _s16
44 #elif defined(TEMPLATE_REMATRIX_S32)
45 # define R(x) (((x) + 16384)>>15)
46 # define SAMPLE int32_t
48 # define INTER int64_t
49 # define RENAME(x) x ## _s32
52 static void RENAME(sum2)(
void *out_,
const void *in1_,
const void *in2_,
55 const SAMPLE *in1 = in1_, *in2 = in2_;
56 const COEFF *coeffp = coeffp_;
59 INTER coeff1 = coeffp[index1];
60 INTER coeff2 = coeffp[index2];
63 out[
i] =
R(coeff1*in1[
i] + coeff2*in2[
i]);
66 static void RENAME(
copy)(
void *out_,
const void *in_,
const void *coeffp_,
69 const COEFF *coeffp = coeffp_;
78 static void RENAME(mix6to2)(uint8_t *
const *out_,
const uint8_t *
const *in_,
81 const SAMPLE *
const *
const in = (
const SAMPLE *
const *)in_;
83 const COEFF *coeffp = coeffp_;
87 INTER t = in[2][
i]*(INTER)coeffp[0*6+2] + in[3][
i]*(INTER)coeffp[0*6+3];
88 out[0][
i] =
R(t + in[0][
i]*(INTER)coeffp[0*6+0] + in[4][
i]*(INTER)coeffp[0*6+4]);
89 out[1][
i] =
R(t + in[1][
i]*(INTER)coeffp[1*6+1] + in[5][
i]*(INTER)coeffp[1*6+5]);
93 static void RENAME(mix8to2)(uint8_t *
const *out_,
const uint8_t *
const *in_,
96 const SAMPLE *
const *
const in = (
const SAMPLE *
const *)in_;
98 const COEFF *coeffp = coeffp_;
102 INTER t = in[2][
i]*(INTER)coeffp[0*8+2] + in[3][
i]*(INTER)coeffp[0*8+3];
103 out[0][
i] =
R(t + in[0][
i]*(INTER)coeffp[0*8+0] + in[4][
i]*(INTER)coeffp[0*8+4] + in[6][
i]*(INTER)coeffp[0*8+6]);
104 out[1][
i] =
R(t + in[1][
i]*(INTER)coeffp[1*8+1] + in[5][
i]*(INTER)coeffp[1*8+5] + in[7][
i]*(INTER)coeffp[1*8+7]);
113 &&
s->matrix[0][2] ==
s->matrix[1][2] &&
s->matrix[0][3] ==
s->matrix[1][3]
114 && !
s->matrix[0][1] && !
s->matrix[0][5] && !
s->matrix[1][0] && !
s->matrix[1][4]
120 &&
s->matrix[0][2] ==
s->matrix[1][2] &&
s->matrix[0][3] ==
s->matrix[1][3]
121 && !
s->matrix[0][1] && !
s->matrix[0][5] && !
s->matrix[1][0] && !
s->matrix[1][4]
122 && !
s->matrix[0][7] && !
s->matrix[1][6]
#define AV_CHANNEL_LAYOUT_STEREO
void() mix_any_func_type(uint8_t *const *out, const uint8_t *const *in1, const void *coeffp, integer len)
#define AV_CHANNEL_LAYOUT_7POINT1
The libswresample context.
static void copy(const float *p1, float *p2, const int length)
An AVChannelLayout holds information about the channel layout of audio data.
int av_channel_layout_compare(const AVChannelLayout *chl, const AVChannelLayout *chl1)
Check whether two channel layouts are semantically the same, i.e.
#define i(width, name, range_min, range_max)
#define SAMPLE(tab, x, y)
Value of the luma sample at position (x, y) in the 2D array tab.
#define AV_CHANNEL_LAYOUT_5POINT1_BACK
static const double coeff[2][5]
#define AV_CHANNEL_LAYOUT_5POINT1