diff options
Diffstat (limited to 'libswresample')
-rw-r--r-- | libswresample/swresample_test.c | 61 |
1 files changed, 49 insertions, 12 deletions
diff --git a/libswresample/swresample_test.c b/libswresample/swresample_test.c index e8683cd..61e1b09 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; |