shithub: mp3dec

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test: patch he_mode vector (fate have buggy version?)

diff: cannot open b/vectors//null: file does not exist: 'b/vectors//null'

--- a/minimp3.c

+++ b/minimp3.c

@@ -1660,8 +1660,8 @@

 {

     static mp3dec_t mp3d = { 0, };

     mp3dec_frame_info_t info;

-    int i, data_bytes, samples, total_samples = 0, nbuf = 0;

-    double MSE = 0.0, MSEtemp, psnr;

+    int i, data_bytes, samples, total_samples = 0, nbuf = 0, maxdiff = 0;

+    double MSE = 0.0, psnr;

     unsigned char buf[4096];

     mp3dec_init(&mp3d);

@@ -1679,7 +1679,9 @@

             total_samples += samples*info.channels;

             for (i = 0; i < samples*info.channels; i++)

             {

-                MSEtemp = abs((int)pcm[i] - (int)pcm2[i]);

+                int MSEtemp = abs((int)pcm[i] - (int)pcm2[i]);

+                if (MSEtemp > maxdiff)

+                    maxdiff = MSEtemp;

                 MSE += MSEtemp*MSEtemp;

             }

             fwrite(pcm, samples, 2*info.channels, file_wav);

@@ -1692,7 +1694,7 @@

         psnr = 99.0;

     else

         psnr = 10.0*log10(((double)0x7fff*0x7fff)/MSE);

-    printf("samples=%d PSNR=%f\n", total_samples, psnr);

+    printf("samples=%d max_diff=%d PSNR=%f\n", total_samples, maxdiff, psnr);

     if (psnr < 96)

     {

         printf("PSNR compliance failed\n");

--- a/scripts/build.sh

+++ b/scripts/build.sh

@@ -2,6 +2,7 @@

 if [ ! -d "fate-suite.ffmpeg.org" ]; then

   wget -np -r --level=1 http://fate-suite.ffmpeg.org/mp3-conformance/

+  cp vectors/l3-he_mode16.pcm fate-suite.ffmpeg.org/mp3-conformance/he_mode.pcm

 fi

 gcc -Dminimp3_test -O2 -g -o minimp3 minimp3.c -lm

binary files /dev/null b/vectors/l3-he_mode.wav differ

binary files /dev/null b/vectors/l3-he_mode16.pcm differ