61 #if !HAVE_MIPS32R6 && !HAVE_MIPS64R6
62 static void ff_celp_lp_synthesis_filterf_mips(
float *
out,
63 const float *filter_coeffs,
64 const float*
in,
int buffer_length,
69 float out0, out1, out2, out3;
70 float old_out0, old_out1, old_out2, old_out3;
72 const float *p_filter_coeffs;
78 b -= filter_coeffs[0] * filter_coeffs[0];
79 c -= filter_coeffs[1] * filter_coeffs[0];
80 c -= filter_coeffs[0] *
b;
86 for (n = 0; n <= buffer_length - 4; n+=4) {
87 p_filter_coeffs = filter_coeffs;
96 "lwc1 $f2, 8(%[filter_coeffs]) \n\t"
97 "lwc1 $f1, 4(%[filter_coeffs]) \n\t"
98 "lwc1 $f0, 0(%[filter_coeffs]) \n\t"
99 "nmsub.s %[out0], %[out0], $f2, %[old_out1] \n\t"
100 "nmsub.s %[out1], %[out1], $f2, %[old_out2] \n\t"
101 "nmsub.s %[out2], %[out2], $f2, %[old_out3] \n\t"
102 "lwc1 $f3, 12(%[filter_coeffs]) \n\t"
103 "nmsub.s %[out0], %[out0], $f1, %[old_out2] \n\t"
104 "nmsub.s %[out1], %[out1], $f1, %[old_out3] \n\t"
105 "nmsub.s %[out2], %[out2], $f3, %[old_out2] \n\t"
106 "nmsub.s %[out0], %[out0], $f0, %[old_out3] \n\t"
107 "nmsub.s %[out3], %[out3], $f3, %[old_out3] \n\t"
108 "nmsub.s %[out1], %[out1], $f3, %[old_out1] \n\t"
109 "nmsub.s %[out0], %[out0], $f3, %[old_out0] \n\t"
111 : [out0]
"+f"(out0), [out1]
"+f"(out1),
112 [out2]
"+f"(out2), [out3]
"+f"(out3)
113 : [old_out0]
"f"(old_out0), [old_out1]
"f"(old_out1),
114 [old_out2]
"f"(old_out2), [old_out3]
"f"(old_out3),
115 [filter_coeffs]
"r"(filter_coeffs)
116 :
"$f0",
"$f1",
"$f2",
"$f3",
"$f4",
"memory"
119 for (i = 5; i <= filter_length; i += 2) {
121 "lwc1 %[old_out3], -20(%[p_out]) \n\t"
122 "lwc1 $f5, 16(%[p_filter_coeffs]) \n\t"
125 "nmsub.s %[out1], %[out1], $f5, %[old_out0] \n\t"
126 "nmsub.s %[out3], %[out3], $f5, %[old_out2] \n\t"
127 "lwc1 $f4, 12(%[p_filter_coeffs]) \n\t"
128 "lwc1 %[old_out2], -16(%[p_out]) \n\t"
129 "nmsub.s %[out0], %[out0], $f5, %[old_out3] \n\t"
130 "nmsub.s %[out2], %[out2], $f5, %[old_out1] \n\t"
131 "nmsub.s %[out1], %[out1], $f4, %[old_out3] \n\t"
132 "nmsub.s %[out3], %[out3], $f4, %[old_out1] \n\t"
133 "mov.s %[old_out1], %[old_out3] \n\t"
134 "nmsub.s %[out0], %[out0], $f4, %[old_out2] \n\t"
135 "nmsub.s %[out2], %[out2], $f4, %[old_out0] \n\t"
137 : [out0]
"+f"(out0), [out1]
"+f"(out1),
138 [out2]
"+f"(out2), [out3]
"+f"(out3), [old_out0]
"+f"(old_out0),
139 [old_out1]
"+f"(old_out1), [old_out2]
"+f"(old_out2),
140 [old_out3]
"+f"(old_out3),[p_filter_coeffs]
"+r"(p_filter_coeffs),
143 :
"$f4",
"$f5",
"memory"
145 FFSWAP(
float, old_out0, old_out2);
149 "nmsub.s %[out3], %[out3], %[a], %[out2] \n\t"
150 "nmsub.s %[out2], %[out2], %[a], %[out1] \n\t"
151 "nmsub.s %[out3], %[out3], %[b], %[out1] \n\t"
152 "nmsub.s %[out1], %[out1], %[a], %[out0] \n\t"
153 "nmsub.s %[out2], %[out2], %[b], %[out0] \n\t"
154 "nmsub.s %[out3], %[out3], %[c], %[out0] \n\t"
156 : [out0]
"+f"(out0), [out1]
"+f"(out1),
157 [out2]
"+f"(out2), [out3]
"+f"(out3)
158 : [
a]
"f"(
a), [b]
"f"(b), [
c]
"f"(
c)
177 for (; n < buffer_length; n++) {
178 float out_val, out_val_i, fc_val;
179 p_filter_coeffs = filter_coeffs;
182 for (i = 1; i <= filter_length; i++) {
184 "lwc1 %[fc_val], 0(%[p_filter_coeffs]) \n\t"
185 "lwc1 %[out_val_i], -4(%[p_out]) \n\t"
188 "nmsub.s %[out_val], %[out_val], %[fc_val], %[out_val_i] \n\t"
190 : [fc_val]
"=&f"(fc_val), [out_val]
"+f"(out_val),
191 [out_val_i]
"=&f"(out_val_i), [p_out]
"+r"(p_out),
192 [p_filter_coeffs]
"+r"(p_filter_coeffs)
201 static void ff_celp_lp_zero_synthesis_filterf_mips(
float *out,
202 const float *filter_coeffs,
203 const float *in,
int buffer_length,
207 float sum_out8, sum_out7, sum_out6, sum_out5, sum_out4, fc_val;
208 float sum_out3, sum_out2, sum_out1;
209 const float *p_filter_coeffs, *p_in;
211 for (n = 0; n < buffer_length; n+=8) {
213 p_filter_coeffs = filter_coeffs;
229 "filt_lp_inner%=: \n\t"
230 "lwc1 %[fc_val], 0(%[p_filter_coeffs]) \n\t"
231 "lwc1 $f7, 6*4(%[p_in]) \n\t"
232 "lwc1 $f6, 5*4(%[p_in]) \n\t"
233 "lwc1 $f5, 4*4(%[p_in]) \n\t"
234 "lwc1 $f4, 3*4(%[p_in]) \n\t"
235 "lwc1 $f3, 2*4(%[p_in]) \n\t"
236 "lwc1 $f2, 4(%[p_in]) \n\t"
237 "lwc1 $f1, 0(%[p_in]) \n\t"
238 "lwc1 $f0, -4(%[p_in]) \n\t"
239 "addiu %[i], -2 \n\t"
240 "madd.s %[sum_out8], %[sum_out8], %[fc_val], $f7 \n\t"
241 "madd.s %[sum_out7], %[sum_out7], %[fc_val], $f6 \n\t"
242 "madd.s %[sum_out6], %[sum_out6], %[fc_val], $f5 \n\t"
243 "madd.s %[sum_out5], %[sum_out5], %[fc_val], $f4 \n\t"
244 "madd.s %[sum_out4], %[sum_out4], %[fc_val], $f3 \n\t"
245 "madd.s %[sum_out3], %[sum_out3], %[fc_val], $f2 \n\t"
246 "madd.s %[sum_out2], %[sum_out2], %[fc_val], $f1 \n\t"
247 "madd.s %[sum_out1], %[sum_out1], %[fc_val], $f0 \n\t"
248 "lwc1 %[fc_val], 4(%[p_filter_coeffs]) \n\t"
249 "lwc1 $f7, -8(%[p_in]) \n\t"
252 "madd.s %[sum_out8], %[sum_out8], %[fc_val], $f6 \n\t"
253 "madd.s %[sum_out7], %[sum_out7], %[fc_val], $f5 \n\t"
254 "madd.s %[sum_out6], %[sum_out6], %[fc_val], $f4 \n\t"
255 "madd.s %[sum_out5], %[sum_out5], %[fc_val], $f3 \n\t"
256 "madd.s %[sum_out4], %[sum_out4], %[fc_val], $f2 \n\t"
257 "madd.s %[sum_out3], %[sum_out3], %[fc_val], $f1 \n\t"
258 "madd.s %[sum_out2], %[sum_out2], %[fc_val], $f0 \n\t"
259 "madd.s %[sum_out1], %[sum_out1], %[fc_val], $f7 \n\t"
260 "bgtz %[i], filt_lp_inner%= \n\t"
262 : [sum_out8]
"+f"(sum_out8), [sum_out7]
"+f"(sum_out7),
263 [sum_out6]
"+f"(sum_out6), [sum_out5]
"+f"(sum_out5),
264 [sum_out4]
"+f"(sum_out4), [sum_out3]
"+f"(sum_out3),
265 [sum_out2]
"+f"(sum_out2), [sum_out1]
"+f"(sum_out1),
266 [fc_val]
"=&f"(fc_val), [p_filter_coeffs]
"+r"(p_filter_coeffs),
267 [p_in]
"+r"(p_in), [i]
"+r"(i)
269 :
"$f0",
"$f1",
"$f2",
"$f3",
"$f4",
"$f5",
"$f6",
"$f7",
"memory"
288 #if !HAVE_MIPS32R6 && !HAVE_MIPS64R6
MIPS assembly defines from sys/asm.h but rewritten for use with C inline assembly (rather than from w...
void ff_celp_filter_init_mips(CELPFContext *c)
Macro definitions for various function/variable attributes.
void(* celp_lp_synthesis_filterf)(float *out, const float *filter_coeffs, const float *in, int buffer_length, int filter_length)
LP synthesis filter.
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method!=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt)>2){ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc){av_free(ac);returnNULL;}returnac;}in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar){ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar?ac->channels:1;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> in
void(* celp_lp_zero_synthesis_filterf)(float *out, const float *filter_coeffs, const float *in, int buffer_length, int filter_length)
LP zero synthesis filter.
common internal and external API header
#define FFSWAP(type, a, b)