From 17d51938d23c5f60f1ae0f4944724944c1b9dfdd Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Thu, 29 Sep 2011 04:55:53 +0200
Subject: [PATCH] swr_test: test planar audio

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libswresample/swresample_test.c | 61 ++++++++++++++++++++++++++-------
 1 file changed, 49 insertions(+), 12 deletions(-)

diff --git a/libswresample/swresample_test.c b/libswresample/swresample_test.c
index e8683cd5dd..61e1b09367 100644
--- a/libswresample/swresample_test.c
+++ b/libswresample/swresample_test.c
@@ -28,7 +28,16 @@
 
 #define ASSERT_LEVEL 2
 
-static double get(const void *p, int index, enum AVSampleFormat f){
+static double get(const uint8_t *a[], int ch, int index, int ch_count, enum AVSampleFormat f){
+    const uint8_t *p;
+    if(f>=0x100){
+        f&=0xFF;
+        p= a[ch];
+    }else{
+        p= a[0];
+        index= ch + index*ch_count;
+    }
+
     switch(f){
     case AV_SAMPLE_FMT_U8 : return ((const uint8_t*)p)[index]/255.0*2-1.0;
     case AV_SAMPLE_FMT_S16: return ((const int16_t*)p)[index]/32767.0;
@@ -39,7 +48,15 @@ static double get(const void *p, int index, enum AVSampleFormat f){
     }
 }
 
-static void  set(void *p, int index, enum AVSampleFormat f, double v){
+static void  set(uint8_t *a[], int ch, int index, int ch_count, enum AVSampleFormat f, double v){
+    uint8_t *p;
+    if(f>=0x100){
+        f&=0xFF;
+        p= a[ch];
+    }else{
+        p= a[0];
+        index= ch + index*ch_count;
+    }
     switch(f){
     case AV_SAMPLE_FMT_U8 : ((uint8_t*)p)[index]= (v+1.0)*255.0/2; break;
     case AV_SAMPLE_FMT_S16: ((int16_t*)p)[index]= v*32767;         break;
@@ -68,6 +85,19 @@ AV_CH_LAYOUT_7POINT1_WIDE            ,
 0
 };
 
+static void setup_array(uint8_t *out[SWR_CH_MAX], uint8_t *in, enum AVSampleFormat format, int samples){
+    if(format >= 0x100){
+        int i;
+        int plane_size= av_get_bytes_per_sample(format&0xFF)*samples;
+        format&=0xFF;
+        for(i=0; i<SWR_CH_MAX; i++){
+            out[i]= in + i*plane_size;
+        }
+    }else{
+        out[0]= in;
+    }
+}
+
 int main(int argc, char **argv){
     int in_sample_rate, out_sample_rate, ch ,i, in_ch_layout_index, out_ch_layout_index, osr;
     uint64_t in_ch_layout, out_ch_layout;
@@ -76,6 +106,11 @@ int main(int argc, char **argv){
     uint8_t array_in[SAMPLES*8*8];
     uint8_t array_mid[SAMPLES*8*8*3];
     uint8_t array_out[SAMPLES*8*8+100];
+    uint8_t *ain[SWR_CH_MAX];
+    uint8_t *aout[SWR_CH_MAX];
+    uint8_t *amid[SWR_CH_MAX];
+    int planar_in=256, planar_out=256;
+
     struct SwrContext * forw_ctx= NULL;
     struct SwrContext *backw_ctx= NULL;
 
@@ -95,10 +130,10 @@ int main(int argc, char **argv){
                                in_ch_count, out_ch_count,
                                in_sample_rate, out_sample_rate,
                                av_get_sample_fmt_name(in_sample_fmt), av_get_sample_fmt_name(out_sample_fmt));
-                        forw_ctx  = swr_alloc2(forw_ctx, out_ch_layout, out_sample_fmt, out_sample_rate,
-                                                                  in_ch_layout,  in_sample_fmt,  in_sample_rate, 0, 0);
+                        forw_ctx  = swr_alloc2(forw_ctx, out_ch_layout, out_sample_fmt+planar_out, out_sample_rate,
+                                                                  in_ch_layout,  in_sample_fmt+planar_in ,  in_sample_rate, 0, 0);
                         backw_ctx = swr_alloc2(backw_ctx,in_ch_layout,  in_sample_fmt,  in_sample_rate,
-                                                                 out_ch_layout, out_sample_fmt, out_sample_rate, 0, 0);
+                                                                 out_ch_layout, out_sample_fmt+planar_out, out_sample_rate, 0, 0);
                         if(swr_init( forw_ctx) < 0)
                             fprintf(stderr, "swr_init(->) failed\n");
                         if(swr_init(backw_ctx) < 0)
@@ -108,14 +143,16 @@ int main(int argc, char **argv){
                         if(!backw_ctx)
                             fprintf(stderr, "Failed to init backw_ctx\n");
                                //FIXME test planar
+                        setup_array(ain , array_in ,  in_sample_fmt+planar_in ,   SAMPLES);
+                        setup_array(amid, array_mid, out_sample_fmt+planar_out, 3*SAMPLES);
+                        setup_array(aout, array_out,  in_sample_fmt           ,   SAMPLES);
                         for(ch=0; ch<in_ch_count; ch++){
                             for(i=0; i<SAMPLES; i++)
-                                set(array_in, ch + i*in_ch_count, in_sample_fmt, sin(i*i*3/SAMPLES));
+                                set(ain, ch, i, in_ch_count, in_sample_fmt+planar_in, sin(i*i*3/SAMPLES));
                         }
-                        mid_count= swr_convert(forw_ctx, (      uint8_t*[]){array_mid}, 3*SAMPLES,
-                                                                (const uint8_t*[]){array_in }, SAMPLES);
-                        out_count= swr_convert(backw_ctx,(      uint8_t*[]){array_out}, 3*SAMPLES,
-                                                                (const uint8_t*[]){array_mid}, mid_count);
+                        mid_count= swr_convert(forw_ctx, amid, 3*SAMPLES, ain, SAMPLES);
+                        out_count= swr_convert(backw_ctx,aout, SAMPLES, amid, mid_count);
+
                         for(ch=0; ch<in_ch_count; ch++){
                             double sse, x, maxdiff=0;
                             double sum_a= 0;
@@ -124,8 +161,8 @@ int main(int argc, char **argv){
                             double sum_bb= 0;
                             double sum_ab= 0;
                             for(i=0; i<out_count; i++){
-                                double a= get(array_in , ch + i*in_ch_count, in_sample_fmt);
-                                double b= get(array_out, ch + i*in_ch_count, in_sample_fmt);
+                                double a= get(ain , ch, i, in_ch_count, in_sample_fmt+planar_in);
+                                double b= get(aout, ch, i, in_ch_count, in_sample_fmt);
                                 sum_a += a;
                                 sum_b += b;
                                 sum_aa+= a*a;