History

swr: add native_simd_one

Michael Niedermayer committed 13 years ago

Commit 4cfc9201 parent e3e398b3 files · +7 −0Browse files

Unified · Split

3 files
  1. libswresample/rematrix.c +1 −0
  2. libswresample/swresample_internal.h +1 −0
  3. libswresample/x86/swresample_x86.c +5 −0
libswresample/rematrix.c+1−0
@@ -403,6 +403,7 @@ av_cold void swri_rematrix_free(SwrContext *s){ · 402 unmodified lines
403403 av_freep(&s->native_matrix);
404404 av_freep(&s->native_one);
405405 av_freep(&s->native_simd_matrix);
406+ av_freep(&s->native_simd_one);
406407 }
407408
408409 int swri_rematrix(SwrContext *s, AudioData *out, AudioData *in, int len, int mustcopy){
libswresample/swresample_internal.h+1−0
@@ -134,6 +134,7 @@ struct SwrContext { · 133 unmodified lines
134134 float matrix[SWR_CH_MAX][SWR_CH_MAX]; ///< floating point rematrixing coefficients
135135 uint8_t *native_matrix;
136136 uint8_t *native_one;
137+ uint8_t *native_simd_one;
137138 uint8_t *native_simd_matrix;
138139 int32_t matrix32[SWR_CH_MAX][SWR_CH_MAX]; ///< 17.15 fixed point rematrixing coefficients
139140 uint8_t matrix_ch[SWR_CH_MAX][SWR_CH_MAX+1]; ///< Lists of input channels per output channel that have non zero rematrixing coefficients
libswresample/x86/swresample_x86.c+5−0
@@ -169,6 +169,7 @@ av_cold void swri_rematrix_init_x86(struct SwrContext *s){ · 168 unmodified lines
169169 s->mix_2_1_simd = ff_mix_2_1_a_int16_sse2;
170170 }
171171 s->native_simd_matrix = av_mallocz(2 * num * sizeof(int16_t));
172+ s->native_simd_one = av_mallocz(2 * sizeof(int16_t));
172173 for(i=0; i<nb_out; i++){
173174 int sh = 0;
174175 for(j=0; j<nb_in; j++)
@@ -180,6 +181,8 @@ av_cold void swri_rematrix_init_x86(struct SwrContext *s){ · 5 unmodified lines
180181 ((((int*)s->native_matrix)[i * nb_in + j]) + (1<<sh>>1)) >> sh;
181182 }
182183 }
184+ ((int16_t*)s->native_simd_one)[1] = 14;
185+ ((int16_t*)s->native_simd_one)[0] = 16384;
183186 } else if(s->midbuf.fmt == AV_SAMPLE_FMT_FLTP){
184187 if(mm_flags & AV_CPU_FLAG_SSE) {
185188 s->mix_1_1_simd = ff_mix_1_1_a_float_sse;
@@ -191,5 +194,7 @@ av_cold void swri_rematrix_init_x86(struct SwrContext *s){ · 5 unmodified lines
191194 }
192195 s->native_simd_matrix = av_mallocz(num * sizeof(float));
193196 memcpy(s->native_simd_matrix, s->native_matrix, num * sizeof(float));
197+ s->native_simd_one = av_mallocz(sizeof(float));
198+ memcpy(s->native_simd_one, s->native_one, sizeof(float));
194199 }
195200 }

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