0
@@ -5,7 +5,8 @@
0
 == DESCRIPTION.  LULZ
0
 
0
 Hai! icanhasaudio? is an interface to lame for decoding ur MP3s.  I iz in ur
0
-computer. Decodin ur mp3s.  Whatevs!  I also decodin ur OGGz!
0
+computer. Decodin ur mp3s.  Whatevs!  I also decodin ur OGGz!  I kin also
0
+encodin' ur WAV and AIFF to mp3z!
0
 
0
 == SYNOPSYS ROFLOL
0
 
0
@@ -23,15 +24,27 @@ Or even smaller:
0
   reader = Audio::OGG::Decoder.new
0
   reader.decode(File.open(ARGV[0], 'rb'), File.open(ARGV[1], 'wb'))
0
 
0
+Encoder!!!!!! LOL
0
+
0
+  writer = Audio::MPEG::Encoder.new
0
+  File.open(ARGV[0]), 'rb') { |wav_lol|
0
+    File.open(ARGV[1]), 'wb+') { |mp3_lol|
0
+      writer.encode(wav_lol, mp3_lol)
0
+    }
0
+  }
0
+
0
 == PROBLEMS
0
 
0
-Currently only decodes MP3/OGG data.  Plus many other problems....  YMMV. LOL.
0
+Currently only decodes MP3/OGG data.  Also encodes WAV/AIFF to mp3. Plus many
0
+other problems....  YMMV. LOL.
0
 Not laugh plz!
0
 
0
 == DEPENDENSEEZ
0
 
0
 Make sure lame is installed on ur 'puter.  Also ogg and vorbisfile!
0
 
0
+  # port install libvorbis vorbis-tools lame
0
+
0
 == CREDITZ
0
 
0
 Thanx Ryan for mah name!  Also, most of this code was taken from the lame

0
@@ -25,6 +25,116 @@ encoder_allocate(VALUE klass) {
0
 
0
 /*
0
  * call-seq:
0
+ *    encoder.vbr_hard_min=
0
+ *
0
+ * Strictly enforce the vbr min bitrate.  Normally it will be violated for
0
+ * analog silence.
0
+ */
0
+static VALUE MpegEncoder_set_vbr_hard_min(VALUE self, VALUE boolean) {
0
+  lame_global_flags * gfp;
0
+
0
+  Data_Get_Struct(self, lame_global_flags, gfp);
0
+  lame_set_VBR_hard_min(gfp, boolean == Qtrue ? 1 : 0);
0
+  return boolean;
0
+}
0
+
0
+/*
0
+ * call-seq:
0
+ *    encoder.vbr_hard_min?
0
+ *
0
+ *  Get the hard minimum flag. 
0
+ */
0
+static VALUE MpegEncoder_get_vbr_hard_min(VALUE self) {
0
+  lame_global_flags * gfp;
0
+
0
+  Data_Get_Struct(self, lame_global_flags, gfp);
0
+  return lame_get_VBR_hard_min(gfp) == 0 ? Qfalse : Qtrue;
0
+}
0
+
0
+/*
0
+ * call-seq:
0
+ *    encoder.vbr_max_bitrate=
0
+ *
0
+ * Set the maximum vbr bitrate.
0
+ */
0
+static VALUE MpegEncoder_set_vbr_max_bitrate(VALUE self, VALUE brate) {
0
+  lame_global_flags * gfp;
0
+
0
+  Data_Get_Struct(self, lame_global_flags, gfp);
0
+  lame_set_VBR_max_bitrate_kbps(gfp, NUM2INT(brate));
0
+  return brate;
0
+}
0
+
0
+/*
0
+ * call-seq:
0
+ *    encoder.vbr_max_bitrate
0
+ *
0
+ * Get the maximum vbr bitrate.
0
+ */
0
+static VALUE MpegEncoder_get_vbr_max_bitrate(VALUE self) {
0
+  lame_global_flags * gfp;
0
+
0
+  Data_Get_Struct(self, lame_global_flags, gfp);
0
+  return INT2NUM(lame_get_VBR_max_bitrate_kbps(gfp));
0
+}
0
+
0
+/*
0
+ * call-seq:
0
+ *    encoder.vbr_min_bitrate=
0
+ *
0
+ * Set the minimum vbr bitrate.
0
+ */
0
+static VALUE MpegEncoder_set_vbr_min_bitrate(VALUE self, VALUE brate) {
0
+  lame_global_flags * gfp;
0
+
0
+  Data_Get_Struct(self, lame_global_flags, gfp);
0
+  lame_set_VBR_min_bitrate_kbps(gfp, NUM2INT(brate));
0
+  return brate;
0
+}
0
+
0
+/*
0
+ * call-seq:
0
+ *    encoder.vbr_min_bitrate
0
+ *
0
+ * Get the minimum vbr bitrate.
0
+ */
0
+static VALUE MpegEncoder_get_vbr_min_bitrate(VALUE self) {
0
+  lame_global_flags * gfp;
0
+
0
+  Data_Get_Struct(self, lame_global_flags, gfp);
0
+  return INT2NUM(lame_get_VBR_min_bitrate_kbps(gfp));
0
+}
0
+
0
+/*
0
+ * call-seq:
0
+ *    encoder.bitrate=
0
+ *
0
+ * Set the bitrate.
0
+ */
0
+static VALUE MpegEncoder_set_bitrate(VALUE self, VALUE brate) {
0
+  lame_global_flags * gfp;
0
+
0
+  Data_Get_Struct(self, lame_global_flags, gfp);
0
+  lame_set_brate(gfp, NUM2INT(brate));
0
+  lame_set_VBR_min_bitrate_kbps(gfp, lame_get_brate(gfp));
0
+  return brate;
0
+}
0
+
0
+/*
0
+ * call-seq:
0
+ *    encoder.bitrate
0
+ *
0
+ * Get the bitrate.
0
+ */
0
+static VALUE MpegEncoder_get_bitrate(VALUE self) {
0
+  lame_global_flags * gfp;
0
+
0
+  Data_Get_Struct(self, lame_global_flags, gfp);
0
+  return INT2NUM(lame_get_brate(gfp));
0
+}
0
+
0
+/*
0
+ * call-seq:
0
  *    encoder.quality=
0
  *
0
  * Set the VBR quality. 0 = highest, 9 = lowest
0
@@ -368,10 +478,14 @@ void init_MpegEncoder(VALUE rb_mMpeg) {
0
   rb_mAudio = rb_define_module("Audio");
0
   rb_mMpeg = rb_define_module_under(rb_mAudio, "MPEG");
0
   */
0
+  /*
0
+   * Encode mp3s
0
+   */
0
   cMpegEncoder = rb_define_class_under(rb_mMpeg, "Encoder", rb_cObject);
0
   rb_define_alloc_func(cMpegEncoder, encoder_allocate);
0
 
0
   /* Public Methods */
0
+
0
   rb_define_method(cMpegEncoder, "vbr_quality=",MpegEncoder_set_vbr_quality, 1);
0
   rb_define_method(cMpegEncoder, "vbr_quality", MpegEncoder_get_vbr_quality, 0);
0
   rb_define_method(cMpegEncoder, "vbr_type=", MpegEncoder_set_vbr_type, 1);
0
@@ -383,6 +497,15 @@ void init_MpegEncoder(VALUE rb_mMpeg) {
0
   rb_define_method(cMpegEncoder, "year=", MpegEncoder_set_year, 1);
0
   rb_define_method(cMpegEncoder, "track=", MpegEncoder_set_track, 1);
0
   rb_define_method(cMpegEncoder, "genre=", MpegEncoder_set_genre, 1);
0
+  rb_define_method(cMpegEncoder, "bitrate=", MpegEncoder_set_bitrate, 1);
0
+  rb_define_method(cMpegEncoder, "bitrate", MpegEncoder_get_bitrate, 0);
0
+  rb_define_method(cMpegEncoder, "vbr_min_bitrate=", MpegEncoder_set_vbr_min_bitrate, 1);
0
+  rb_define_method(cMpegEncoder, "vbr_min_bitrate", MpegEncoder_get_vbr_min_bitrate, 0);
0
+  rb_define_method(cMpegEncoder, "vbr_max_bitrate=", MpegEncoder_set_vbr_max_bitrate, 1);
0
+  rb_define_method(cMpegEncoder, "vbr_max_bitrate", MpegEncoder_get_vbr_max_bitrate, 0);
0
+  rb_define_method(cMpegEncoder, "vbr_hard_min=", MpegEncoder_set_vbr_hard_min, 1);
0
+  rb_define_method(cMpegEncoder, "vbr_hard_min?", MpegEncoder_get_vbr_hard_min, 0);
0
+
0
 
0
   rb_define_private_method(cMpegEncoder, "init_params", MpegEncoder_init_params, 0);
0
   rb_define_private_method(cMpegEncoder, "num_channels=", MpegEncoder_set_num_channels, 1);

0
@@ -98,7 +98,8 @@ module Audio
0
         when IFF_ID_FORM # AIFF file
0
           parse_aiff_header(file)
0
         else
0
-          raise "Unsupported format"
0
+          $stderr.puts "Assuming RAW PCM"
0
+          file.rewind
0
         end
0
       end
0
 
0
@@ -157,7 +158,7 @@ module Audio
0
             sub_size -= 4
0
 
0
             sample_type = IFF_ID_SSND
0
-            file.read(sub_size)
0
+            file.read(block_offset)
0
             is_aiff = true
0
             break
0
           else
0
@@ -179,7 +180,7 @@ module Audio
0
 
0
         @pcmbitwidth = sample_size
0
         self.num_channels = num_channels
0
-        self.in_samplerate = sample_rate
0
+        self.in_samplerate = sample_rate.to_i
0
         self.num_samples = num_sample_frames
0
       end
0
 

0
@@ -1,35 +1,67 @@
0
 require 'test/unit'
0
 require 'icanhasaudio'
0
+require 'tempfile'
0
 
0
 class MPEGEncoderTest < Test::Unit::TestCase
0
+  include Audio::MPEG
0
+
0
   WAV_FILE = File.dirname(__FILE__) + "/assets/testcase.wav"
0
-  AIFF_FILE = File.dirname(__FILE__) + "/assets/cow.aiff"
0
+  #AIFF_FILE = File.dirname(__FILE__) + "/assets/cow.aiff"
0
 
0
   def setup
0
     @encoder = Audio::MPEG::Encoder.new
0
     assert File.exists?(WAV_FILE)
0
+    #assert File.exists?(AIFF_FILE)
0
   end
0
 
0
   def test_encoder_initialize
0
     assert Audio::MPEG::Encoder.new
0
   end
0
   
0
-  def test_encode_aiff
0
-    File.open('/tmp/out_aiff.mp3', 'wb+') { |outfile|
0
-      @encoder.encode(File.open(AIFF_FILE, 'rb'), outfile)
0
+  def test_encode
0
+    File.open("#{Dir::tmpdir}/out.mp3", 'wb+') { |outfile|
0
+      @encoder.encode(File.open(WAV_FILE, 'rb'), outfile)
0
     }
0
   end
0
 
0
-  def test_encode
0
-    File.open('/tmp/out.mp3', 'wb+') { |outfile|
0
+  def test_set_bitrate
0
+    @encoder.bitrate = 128
0
+    assert_equal(128, @encoder.bitrate)
0
+    assert_equal(128, @encoder.vbr_min_bitrate)
0
+  end
0
+
0
+  def test_vbr_type
0
+    @encoder.vbr_type = Encoder::VBR_OFF
0
+    assert_equal(Encoder::VBR_OFF, @encoder.vbr_type)
0
+    File.open("#{Dir::tmpdir}/no_vbr.mp3", 'wb+') { |outfile|
0
       @encoder.encode(File.open(WAV_FILE, 'rb'), outfile)
0
     }
0
   end
0
 
0
+  def test_set_min_vbr_bitrate
0
+    @encoder.vbr_min_bitrate = 128
0
+    assert_equal(128, @encoder.vbr_min_bitrate)
0
+  end
0
+
0
+  def test_set_vbr_max_bitrate
0
+    @encoder.vbr_max_bitrate = 128
0
+    assert_equal(128, @encoder.vbr_max_bitrate)
0
+    @encoder.vbr_max_bitrate = 256
0
+    assert_equal(256, @encoder.vbr_max_bitrate)
0
+  end
0
+
0
+  def test_set_vbr_hard_min
0
+    assert_equal(false, @encoder.vbr_hard_min?)
0
+    @encoder.vbr_hard_min = true
0
+    assert_equal(true, @encoder.vbr_hard_min?)
0
+    @encoder.vbr_hard_min = false
0
+    assert_equal(false, @encoder.vbr_hard_min?)
0
+  end
0
+
0
   def test_set_title
0
     @encoder.title = 'tenderlovemaking.com'
0
 
0
-    File.open('/tmp/title.mp3', 'wb+') { |outfile|
0
+    File.open("#{Dir::tmpdir}/title.mp3", 'wb+') { |outfile|
0
       @encoder.encode(File.open(WAV_FILE, 'rb'), outfile)
0
     }
0
   end
0
@@ -37,7 +69,7 @@ class MPEGEncoderTest < Test::Unit::TestCase
0
   def test_set_artist
0
     @encoder.artist = 'Aaron Patterson'
0
 
0
-    File.open('/tmp/artist.mp3', 'wb+') { |outfile|
0
+    File.open("#{Dir::tmpdir}/artist.mp3", 'wb+') { |outfile|
0
       @encoder.encode(File.open(WAV_FILE, 'rb'), outfile)
0
     }
0
   end
0
@@ -45,7 +77,7 @@ class MPEGEncoderTest < Test::Unit::TestCase
0
   def test_set_album
0
     @encoder.album = 'Some Album'
0
 
0
-    File.open('/tmp/album.mp3', 'wb+') { |outfile|
0
+    File.open("#{Dir::tmpdir}/album.mp3", 'wb+') { |outfile|
0
       @encoder.encode(File.open(WAV_FILE, 'rb'), outfile)
0
     }
0
   end
0
@@ -53,7 +85,7 @@ class MPEGEncoderTest < Test::Unit::TestCase
0
   def test_set_year
0
     @encoder.year = 1999
0
 
0
-    File.open('/tmp/year.mp3', 'wb+') { |outfile|
0
+    File.open("#{Dir::tmpdir}/year.mp3", 'wb+') { |outfile|
0
       @encoder.encode(File.open(WAV_FILE, 'rb'), outfile)
0
     }
0
   end
0
@@ -61,7 +93,7 @@ class MPEGEncoderTest < Test::Unit::TestCase
0
   def test_set_track
0
     @encoder.track = 1
0
 
0
-    File.open('/tmp/track.mp3', 'wb+') { |outfile|
0
+    File.open("#{Dir::tmpdir}/track.mp3", 'wb+') { |outfile|
0
       @encoder.encode(File.open(WAV_FILE, 'rb'), outfile)
0
     }
0
   end
0
@@ -69,7 +101,7 @@ class MPEGEncoderTest < Test::Unit::TestCase
0
   def test_set_genre
0
     @encoder.genre = 'Porn Groove'
0
 
0
-    File.open('/tmp/genre.mp3', 'wb+') { |outfile|
0
+    File.open("#{Dir::tmpdir}/genre.mp3", 'wb+') { |outfile|
0
       @encoder.encode(File.open(WAV_FILE, 'rb'), outfile)
0
     }
0
   end
0
@@ -81,7 +113,7 @@ class MPEGEncoderTest < Test::Unit::TestCase
0
     @encoder.year = 2008
0
     @encoder.track = 1
0
     @encoder.genre = 'Rock'
0
-    File.open('/tmp/all.mp3', 'wb+') { |outfile|
0
+    File.open("#{Dir::tmpdir}/all.mp3", 'wb+') { |outfile|
0
       @encoder.encode(File.open(WAV_FILE, 'rb'), outfile)
0
     }
0
   end