shithub: opus-tools

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Implements --speech and --music

--- a/src/opusenc.c

+++ b/src/opusenc.c

@@ -223,6 +223,8 @@

    printf ("  -                 stdout\n");

    printf ("\n");  

    printf ("Options:\n");

+   printf (" --speech           Optimize for speech\n"); 

+   printf (" --music            Optimize for music\n"); 

    printf (" --bitrate n        Encoding bit-rate in kbit/sec\n"); 

    printf (" --cbr              Use constant bitrate encoding\n");

    printf (" --comp n           Encoding complexity (0-10)\n");

@@ -283,6 +285,8 @@

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

       {"stereo", no_argument, NULL, 0},

       {"rate", required_argument, NULL, 0},

+      {"music", no_argument, NULL, 0},

+      {"speech", no_argument, NULL, 0},

       {"version", no_argument, NULL, 0},

       {"version-short", no_argument, NULL, 0},

       {"comment", required_argument, NULL, 0},

@@ -316,6 +320,7 @@

    const char *opus_version;

    SpeexResamplerState *resampler=NULL;

    int extra_samples;

+   int signal = OPUS_SIGNAL_AUTO;

    opus_version = opus_get_version_string();

    snprintf(vendor_string, sizeof(vendor_string), "%s\n",opus_version);

@@ -377,6 +382,12 @@

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

          {

             rate=atoi (optarg);

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

+         {

+            signal = OPUS_SIGNAL_MUSIC;

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

+         {

+            signal = OPUS_SIGNAL_VOICE;

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

          {

             complexity=atoi (optarg);

@@ -488,6 +499,7 @@

    /*Initialize OPUS encoder*/

    st = opus_encoder_create(48000, chan, OPUS_APPLICATION_AUDIO);

+   opus_encoder_ctl(st, OPUS_SET_SIGNAL(signal));

    header.channels = chan;

    opus_encoder_ctl(st, OPUS_GET_LOOKAHEAD(&lookahead));

    header.preskip = lookahead;

-- 

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