shithub: opus

Download patch

ref: 68bc8c040398f619ee8e186a00acbe6371bc52ae
parent: d970a85c395d0c8c360fab0cdc15ac9373a8ced8
author: Jean-Marc Valin <[email protected]>
date: Fri Sep 9 07:10:48 EDT 2011

Making RESTRICTED_LOWDELAY an "application" that's set at init time

Also ./test_opus now takes a string for the application

--- a/libcelt/opus_defines.h
+++ b/libcelt/opus_defines.h
@@ -103,8 +103,6 @@
 #define OPUS_SET_DTX_REQUEST                 4016
 #define OPUS_GET_DTX_REQUEST                 4017
 #define OPUS_GET_FINAL_RANGE_REQUEST         4031
-#define OPUS_SET_RESTRICTED_LOWDELAY_REQUEST 4032
-#define OPUS_GET_RESTRICTED_LOWDELAY_REQUEST 4033
 
 /* Macros to trigger compilation errors when the wrong types are provided to a CTL */
 #define __opus_check_int(x) (((void)((x) == (opus_int32)0)), (opus_int32)(x))
@@ -120,8 +118,11 @@
 /* Values for the varrious encoder CTLs */
 #define OPUS_AUTO                           -1000 /**<Auto bitrate @hideinitializer*/
 #define OPUS_BITRATE_MAX                       -1 /**<Maximum bitrate @hideinitializer*/
-#define OPUS_APPLICATION_VOIP                2000
-#define OPUS_APPLICATION_AUDIO               2001
+
+#define OPUS_APPLICATION_VOIP                2048
+#define OPUS_APPLICATION_AUDIO               2049
+#define OPUS_APPLICATION_RESTRICTED_LOWDELAY 2051
+
 #define OPUS_SIGNAL_VOICE                    3001
 #define OPUS_SIGNAL_MUSIC                    3002
 #define OPUS_BANDWIDTH_NARROWBAND            1101 /**< 4kHz bandpass @hideinitializer*/
@@ -128,7 +129,7 @@
 #define OPUS_BANDWIDTH_MEDIUMBAND            1102 /**< 6kHz bandpass @hideinitializer*/
 #define OPUS_BANDWIDTH_WIDEBAND              1103 /**< 8kHz bandpass @hideinitializer*/
 #define OPUS_BANDWIDTH_SUPERWIDEBAND         1104 /**<12kHz bandpass @hideinitializer*/
-#define OPUS_BANDWIDTH_FULLBAND              1105 /**<24kHz bandpass @hideinitializer*/
+#define OPUS_BANDWIDTH_FULLBAND              1105 /**<20kHz bandpass @hideinitializer*/
 /** \endcond */
 
 /** Configures the encoder's computational complexity.
--- a/src/opus_encoder.c
+++ b/src/opus_encoder.c
@@ -67,7 +67,6 @@
     int          vbr_constraint;
     int          bitrate_bps;
     int          user_bitrate_bps;
-    int          lowdelay;
     int          encoder_buffer;
 
 #define OPUS_ENCODER_RESET_START stream_channels
@@ -145,7 +144,8 @@
 
     if (channels > 2 || channels < 1)
         return OPUS_BAD_ARG;
-    if (application < OPUS_APPLICATION_VOIP || application > OPUS_APPLICATION_AUDIO)
+    if (application != OPUS_APPLICATION_VOIP && application != OPUS_APPLICATION_AUDIO
+     && application != OPUS_APPLICATION_RESTRICTED_LOWDELAY)
         return OPUS_BAD_ARG;
     if (Fs != 8000 && Fs != 12000 && Fs != 16000 && Fs != 24000 && Fs != 48000)
         return OPUS_BAD_ARG;
@@ -390,7 +390,7 @@
     silk_enc = (char*)st+st->silk_enc_offset;
     celt_enc = (CELTEncoder*)((char*)st+st->celt_enc_offset);
 
-    if (st->lowdelay)
+    if (st->application == OPUS_APPLICATION_RESTRICTED_LOWDELAY)
        delay_compensation = 0;
     else
        delay_compensation = st->delay_compensation;
@@ -455,7 +455,7 @@
     }
 #else
     /* Mode selection depending on application and signal type */
-    if (st->lowdelay)
+    if (st->application == OPUS_APPLICATION_RESTRICTED_LOWDELAY)
     {
        st->mode = MODE_CELT_ONLY;
     } else if (st->user_forced_mode == OPUS_AUTO)
@@ -994,6 +994,13 @@
         case OPUS_SET_APPLICATION_REQUEST:
         {
             opus_int32 value = va_arg(ap, opus_int32);
+            if (   (value != OPUS_APPLICATION_VOIP && value != OPUS_APPLICATION_AUDIO
+                 && value != OPUS_APPLICATION_RESTRICTED_LOWDELAY)
+               || (!st->first && st->application != value))
+            {
+               ret = OPUS_BAD_ARG;
+               break;
+            }
             st->application = value;
         }
         break;
@@ -1164,7 +1171,7 @@
         {
             opus_int32 *value = va_arg(ap, opus_int32*);
             *value = st->Fs/400;
-            if (!st->lowdelay)
+            if (st->application != OPUS_APPLICATION_RESTRICTED_LOWDELAY)
                *value += st->delay_compensation;
         }
         break;
@@ -1200,23 +1207,6 @@
             if (value < MODE_SILK_ONLY || value > MODE_CELT_ONLY)
                goto bad_arg;
             st->user_forced_mode = value;
-        }
-        break;
-        case OPUS_SET_RESTRICTED_LOWDELAY_REQUEST:
-        {
-            opus_int32 value = va_arg(ap, opus_int32);
-            if (!st->first && st->lowdelay != !!value)
-            {
-               ret = OPUS_BAD_ARG;
-               break;
-            }
-            st->lowdelay = !!value;
-        }
-        break;
-        case OPUS_GET_RESTRICTED_LOWDELAY_REQUEST:
-        {
-            opus_int32 *value = va_arg(ap, opus_int32*);
-            *value = st->lowdelay;
         }
         break;
         default:
--- a/src/test_opus.c
+++ b/src/test_opus.c
@@ -42,9 +42,9 @@
 
 void print_usage( char* argv[] )
 {
-    fprintf(stderr, "Usage: %s [-e | -d] <application (0/1)> <sampling rate (Hz)> <channels (1/2)> "
+    fprintf(stderr, "Usage: %s [-e | -d] <application> <sampling rate (Hz)> <channels (1/2)> "
         "<bits per second>  [options] <input> <output>\n\n", argv[0]);
-    fprintf(stderr, "mode: 0 for VoIP, 1 for audio:\n" );
+    fprintf(stderr, "mode: voip | audio | restricted-lowdelay\n" );
     fprintf(stderr, "options:\n" );
     fprintf(stderr, "-e                   : only runs the encoder (output the bit-stream)\n" );
     fprintf(stderr, "-d                   : only runs the decoder (reads the bit-stream as input)\n" );
@@ -118,7 +118,6 @@
     int max_frame_size = 960*6;
     int curr_read=0;
     int sweep_bps = 0;
-    int lowdelay = 0;
 
     if (argc < 7 )
     {
@@ -139,7 +138,17 @@
         argv++;
         argc--;
     }
-    application = atoi(argv[1]) + OPUS_APPLICATION_VOIP;
+    if (strcmp(argv[1], "voip")==0)
+       application = OPUS_APPLICATION_VOIP;
+    else if (strcmp(argv[1], "audio")==0)
+       application = OPUS_APPLICATION_AUDIO;
+    else if (strcmp(argv[1], "restricted-lowdelay")==0)
+       application = OPUS_APPLICATION_RESTRICTED_LOWDELAY;
+    else {
+       fprintf(stderr, "unknown application: %s\n", argv[1]);
+       print_usage(argv);
+       return 1;
+    }
     sampling_rate = (opus_int32)atol(argv[2]);
     channels = atoi(argv[3]);
     bitrate_bps = (opus_int32)atol(argv[4]);
@@ -217,9 +226,6 @@
         } else if( STR_CASEINSENSITIVE_COMPARE( argv[ args ], "-forcemono" ) == 0 ) {
             forcechannels = 1;
             args++;
-        } else if( STR_CASEINSENSITIVE_COMPARE( argv[ args ], "-lowdelay" ) == 0 ) {
-            lowdelay = 1;
-            args++;
         } else if( STR_CASEINSENSITIVE_COMPARE( argv[ args ], "-cvbr" ) == 0 ) {
             cvbr = 1;
             args++;
@@ -239,8 +245,8 @@
         }
     }
 
-    if( application < OPUS_APPLICATION_VOIP || application > OPUS_APPLICATION_AUDIO) {
-        fprintf (stderr, "mode must be: 0 or 1\n");
+    if( application < OPUS_APPLICATION_VOIP || application > OPUS_APPLICATION_RESTRICTED_LOWDELAY) {
+        fprintf (stderr, "mode must be: 0, 1, or 2\n");
         return 1;
     }
 
@@ -299,7 +305,6 @@
     opus_encoder_ctl(enc, OPUS_SET_FORCE_CHANNELS(forcechannels));
     opus_encoder_ctl(enc, OPUS_SET_DTX(use_dtx));
     opus_encoder_ctl(enc, OPUS_SET_PACKET_LOSS_PERC(packet_loss_perc));
-    opus_encoder_ctl(enc, OPUS_SET_RESTRICTED_LOWDELAY(lowdelay));
 
     opus_encoder_ctl(enc, OPUS_GET_LOOKAHEAD(&skip));