/*
- * Copyright (C) 2011 Michael Niedermayer (michaelni@gmx.at)
+ * Copyright (C) 2011-2012 Michael Niedermayer (michaelni@gmx.at)
*
* This file is part of libswresample
*
#define R(x) x
#define SAMPLE float
#define COEFF float
+#define INTER float
#define RENAME(x) x ## _float
#include "rematrix_template.c"
#undef SAMPLE
#undef R
#undef ONE
#undef COEFF
+#undef INTER
+
+#define ONE (1.0)
+#define R(x) x
+#define SAMPLE double
+#define COEFF double
+#define INTER double
+#define RENAME(x) x ## _double
+#include "rematrix_template.c"
+#undef SAMPLE
+#undef RENAME
+#undef R
+#undef ONE
+#undef COEFF
+#undef INTER
#define ONE (-32768)
#define R(x) (((x) + 16384)>>15)
#define SAMPLE int16_t
#define COEFF int
+#define INTER int
#define RENAME(x) x ## _s16
#include "rematrix_template.c"
double matrix[64][64]={{0}};
int64_t unaccounted= s->in_ch_layout & ~s->out_ch_layout;
double maxcoef=0;
+ char buf[128];
memset(s->matrix, 0, sizeof(s->matrix));
for(i=0; i<64; i++){
}
if(!sane_layout(s->in_ch_layout)){
- av_log(s, AV_LOG_ERROR, "Input channel layout isnt supported\n");
+ av_get_channel_layout_string(buf, sizeof(buf), -1, s->in_ch_layout);
+ av_log(s, AV_LOG_ERROR, "Input channel layout '%s' is not supported\n", buf);
return AVERROR(EINVAL);
}
if(!sane_layout(s->out_ch_layout)){
- av_log(s, AV_LOG_ERROR, "Output channel layout isnt supported\n");
+ av_get_channel_layout_string(buf, sizeof(buf), -1, s->out_ch_layout);
+ av_log(s, AV_LOG_ERROR, "Output channel layout '%s' is not supported\n", buf);
return AVERROR(EINVAL);
}
if(unaccounted & AV_CH_SIDE_LEFT){
if(s->out_ch_layout & AV_CH_BACK_LEFT){
- matrix[ BACK_LEFT][ SIDE_LEFT]+= 1.0;
- matrix[BACK_RIGHT][SIDE_RIGHT]+= 1.0;
+ /* if back channels do not exist in the input, just copy side
+ channels to back channels, otherwise mix side into back */
+ if (s->in_ch_layout & AV_CH_BACK_LEFT) {
+ matrix[BACK_LEFT ][SIDE_LEFT ] += M_SQRT1_2;
+ matrix[BACK_RIGHT][SIDE_RIGHT] += M_SQRT1_2;
+ } else {
+ matrix[BACK_LEFT ][SIDE_LEFT ] += 1.0;
+ matrix[BACK_RIGHT][SIDE_RIGHT] += 1.0;
+ }
}else if(s->out_ch_layout & AV_CH_BACK_CENTER){
matrix[BACK_CENTER][ SIDE_LEFT]+= M_SQRT1_2;
matrix[BACK_CENTER][SIDE_RIGHT]+= M_SQRT1_2;
}else
av_assert0(0);
}
+ /* mix LFE into front left/right or center */
+ if (unaccounted & AV_CH_LOW_FREQUENCY) {
+ if (s->out_ch_layout & AV_CH_FRONT_CENTER) {
+ matrix[FRONT_CENTER][LOW_FREQUENCY] += s->lfe_mix_level;
+ } else if (s->out_ch_layout & AV_CH_FRONT_LEFT) {
+ matrix[FRONT_LEFT ][LOW_FREQUENCY] += s->lfe_mix_level * M_SQRT1_2;
+ matrix[FRONT_RIGHT][LOW_FREQUENCY] += s->lfe_mix_level * M_SQRT1_2;
+ } else
+ av_assert0(0);
+ }
+
for(out_i=i=0; i<64; i++){
double sum=0;
int in_i=0;
if(s->rematrix_volume < 0)
maxcoef = -s->rematrix_volume;
- if(( s->out_sample_fmt < AV_SAMPLE_FMT_FLT
- || s->int_sample_fmt < AV_SAMPLE_FMT_FLT) && maxcoef > 1.0){
+ if(( av_get_packed_sample_fmt(s->out_sample_fmt) < AV_SAMPLE_FMT_FLT
+ || av_get_packed_sample_fmt(s->int_sample_fmt) < AV_SAMPLE_FMT_FLT) && maxcoef > 1.0){
for(i=0; i<SWR_CH_MAX; i++)
for(j=0; j<SWR_CH_MAX; j++){
s->matrix[i][j] /= maxcoef;
int swri_rematrix_init(SwrContext *s){
int i, j;
+ int nb_in = av_get_channel_layout_nb_channels(s->in_ch_layout);
+ int nb_out = av_get_channel_layout_nb_channels(s->out_ch_layout);
+
+ s->mix_any_f = NULL;
if (!s->rematrix_custom) {
int r = auto_matrix(s);
if (r)
return r;
}
+ if (s->midbuf.fmt == AV_SAMPLE_FMT_S16P){
+ s->native_matrix = av_mallocz(nb_in * nb_out * sizeof(int));
+ s->native_one = av_mallocz(sizeof(int));
+ for (i = 0; i < nb_out; i++)
+ for (j = 0; j < nb_in; j++)
+ ((int*)s->native_matrix)[i * nb_in + j] = lrintf(s->matrix[i][j] * 32768);
+ *((int*)s->native_one) = 32768;
+ s->mix_1_1_f = (mix_1_1_func_type*)copy_s16;
+ s->mix_2_1_f = (mix_2_1_func_type*)sum2_s16;
+ s->mix_any_f = (mix_any_func_type*)get_mix_any_func_s16(s);
+ }else if(s->midbuf.fmt == AV_SAMPLE_FMT_FLTP){
+ s->native_matrix = av_mallocz(nb_in * nb_out * sizeof(float));
+ s->native_one = av_mallocz(sizeof(float));
+ for (i = 0; i < nb_out; i++)
+ for (j = 0; j < nb_in; j++)
+ ((float*)s->native_matrix)[i * nb_in + j] = s->matrix[i][j];
+ *((float*)s->native_one) = 1.0;
+ s->mix_1_1_f = (mix_1_1_func_type*)copy_float;
+ s->mix_2_1_f = (mix_2_1_func_type*)sum2_float;
+ s->mix_any_f = (mix_any_func_type*)get_mix_any_func_float(s);
+ }else if(s->midbuf.fmt == AV_SAMPLE_FMT_DBLP){
+ s->native_matrix = av_mallocz(nb_in * nb_out * sizeof(double));
+ s->native_one = av_mallocz(sizeof(double));
+ for (i = 0; i < nb_out; i++)
+ for (j = 0; j < nb_in; j++)
+ ((double*)s->native_matrix)[i * nb_in + j] = s->matrix[i][j];
+ *((double*)s->native_one) = 1.0;
+ s->mix_1_1_f = (mix_1_1_func_type*)copy_double;
+ s->mix_2_1_f = (mix_2_1_func_type*)sum2_double;
+ s->mix_any_f = (mix_any_func_type*)get_mix_any_func_double(s);
+ }else
+ av_assert0(0);
//FIXME quantize for integeres
for (i = 0; i < SWR_CH_MAX; i++) {
int ch_in=0;
}
s->matrix_ch[i][0]= ch_in;
}
+
+ if(HAVE_YASM && HAVE_MMX) swri_rematrix_init_x86(s);
+
return 0;
}
+void swri_rematrix_free(SwrContext *s){
+ av_freep(&s->native_matrix);
+ av_freep(&s->native_one);
+ av_freep(&s->native_simd_matrix);
+}
+
int swri_rematrix(SwrContext *s, AudioData *out, AudioData *in, int len, int mustcopy){
int out_i, in_i, i, j;
+ int len1 = 0;
+ int off = 0;
+
+ if(s->mix_any_f) {
+ s->mix_any_f(out->ch, (const uint8_t **)in->ch, s->native_matrix, len);
+ return 0;
+ }
+
+ if(s->mix_2_1_simd || s->mix_1_1_simd){
+ len1= len&~15;
+ off = len1 * out->bps;
+ }
av_assert0(out->ch_count == av_get_channel_layout_nb_channels(s->out_ch_layout));
av_assert0(in ->ch_count == av_get_channel_layout_nb_channels(s-> in_ch_layout));
for(out_i=0; out_i<out->ch_count; out_i++){
switch(s->matrix_ch[out_i][0]){
case 0:
- memset(out->ch[out_i], 0, len * (s->int_sample_fmt == AV_SAMPLE_FMT_FLT ? sizeof(float) : sizeof(int16_t)));
+ if(mustcopy)
+ memset(out->ch[out_i], 0, len * av_get_bytes_per_sample(s->int_sample_fmt));
break;
case 1:
in_i= s->matrix_ch[out_i][1];
- if(mustcopy || s->matrix[out_i][in_i]!=1.0){
- if(s->int_sample_fmt == AV_SAMPLE_FMT_FLT){
- copy_float((float *)out->ch[out_i], (const float *)in->ch[in_i], s->matrix [out_i][in_i], len);
- }else
- copy_s16 ((int16_t*)out->ch[out_i], (const int16_t*)in->ch[in_i], s->matrix32[out_i][in_i], len);
+ if(s->matrix[out_i][in_i]!=1.0){
+ if(s->mix_1_1_simd && len1)
+ s->mix_1_1_simd(out->ch[out_i] , in->ch[in_i] , s->native_simd_matrix, in->ch_count*out_i + in_i, len1);
+ if(len != len1)
+ s->mix_1_1_f (out->ch[out_i]+off, in->ch[in_i]+off, s->native_matrix, in->ch_count*out_i + in_i, len-len1);
+ }else if(mustcopy){
+ memcpy(out->ch[out_i], in->ch[in_i], len*out->bps);
}else{
out->ch[out_i]= in->ch[in_i];
}
break;
- case 2:
- if(s->int_sample_fmt == AV_SAMPLE_FMT_FLT){
- sum2_float((float *)out->ch[out_i], (const float *)in->ch[ s->matrix_ch[out_i][1] ], (const float *)in->ch[ s->matrix_ch[out_i][2] ],
- s->matrix[out_i][ s->matrix_ch[out_i][1] ], s->matrix[out_i][ s->matrix_ch[out_i][2] ],
- len);
- }else{
- sum2_s16 ((int16_t*)out->ch[out_i], (const int16_t*)in->ch[ s->matrix_ch[out_i][1] ], (const int16_t*)in->ch[ s->matrix_ch[out_i][2] ],
- s->matrix32[out_i][ s->matrix_ch[out_i][1] ], s->matrix32[out_i][ s->matrix_ch[out_i][2] ],
- len);
- }
- break;
+ case 2: {
+ int in_i1 = s->matrix_ch[out_i][1];
+ int in_i2 = s->matrix_ch[out_i][2];
+ if(s->mix_2_1_simd && len1)
+ s->mix_2_1_simd(out->ch[out_i] , in->ch[in_i1] , in->ch[in_i2] , s->native_simd_matrix, in->ch_count*out_i + in_i1, in->ch_count*out_i + in_i2, len1);
+ else
+ s->mix_2_1_f (out->ch[out_i] , in->ch[in_i1] , in->ch[in_i2] , s->native_matrix, in->ch_count*out_i + in_i1, in->ch_count*out_i + in_i2, len1);
+ if(len != len1)
+ s->mix_2_1_f (out->ch[out_i]+off, in->ch[in_i1]+off, in->ch[in_i2]+off, s->native_matrix, in->ch_count*out_i + in_i1, in->ch_count*out_i + in_i2, len-len1);
+ break;}
default:
- if(s->int_sample_fmt == AV_SAMPLE_FMT_FLT){
+ if(s->int_sample_fmt == AV_SAMPLE_FMT_FLTP){
for(i=0; i<len; i++){
float v=0;
for(j=0; j<s->matrix_ch[out_i][0]; j++){
}
((float*)out->ch[out_i])[i]= v;
}
+ }else if(s->int_sample_fmt == AV_SAMPLE_FMT_DBLP){
+ for(i=0; i<len; i++){
+ double v=0;
+ for(j=0; j<s->matrix_ch[out_i][0]; j++){
+ in_i= s->matrix_ch[out_i][1+j];
+ v+= ((double*)in->ch[in_i])[i] * s->matrix[out_i][in_i];
+ }
+ ((double*)out->ch[out_i])[i]= v;
+ }
}else{
for(i=0; i<len; i++){
int v=0;