shithub: opus-tools

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Add a notice when complexity<10 is requested with resampling.

--- a/src/opusenc.c

+++ b/src/opusenc.c

@@ -183,6 +183,7 @@

     {"vbr",no_argument,NULL, 0},

     {"cvbr",no_argument,NULL, 0},

     {"comp", required_argument, NULL, 0},

+    {"complexity", required_argument, NULL, 0},

     {"framesize", required_argument, NULL, 0},

     {"expect-loss", required_argument, NULL, 0},

     {"downmix-mono",no_argument,NULL, 0},

@@ -371,7 +372,8 @@

             fprintf(stderr,"Expected loss is a percent and must be 0-100.\n");

             exit(1);

           }

-        }else if(strcmp(long_options[option_index].name,"comp")==0){

+        }else if(strcmp(long_options[option_index].name,"comp")==0 ||

+                 strcmp(long_options[option_index].name,"complexity")==0){

           complexity=atoi(optarg);

           if(complexity>10||complexity<0){

             fprintf(stderr,"Invalid complexity: %s\n",optarg);

@@ -518,7 +520,12 @@

   /*Scale the resampler complexity, but only for 48000 output because

     the near-cutoff behavior matters a lot more at lower rates.*/

-  if(rate!=coding_rate)setup_resample(&inopt,coding_rate==48000?complexity/2:5,coding_rate);

+  if(rate!=coding_rate)setup_resample(&inopt,coding_rate==48000?(complexity+1)/2:5,coding_rate);

+

+  if(rate!=coding_rate&&complexity!=10&&!quiet){

+    fprintf(stderr,"Notice: Using resampling with complexity<10.\n");

+    fprintf(stderr,"Opusenc is fastest with 48, 24, 16, 12, or 8kHz input.\n\n");

+  }

   /*OggOpus headers*/ /*FIXME: broke forcemono*/

   header.channels=chan;