Class Audio::MPEG::Encoder
In: ext/icanhasaudio/audio_mpeg_decoder.c
lib/icanhasaudio/mpeg/encoder.rb
Parent: Object
File Decoder Decoder Encoder WAV OGG MPEG Audio dot/f_3.png

call-seq: 

   encoder.init_params

Initialize lame parameters.

Methods

album=   artist=   bitrate   bitrate=   compression_ratio   encode   encode_buffer   flush   force_ms   framesize   genre=   in_samplerate=   init_params   mpeg_mode   mpeg_quality   mpeg_version   new   num_channels   num_channels=   num_samples   num_samples=   out_samplerate   parse_aiff_header   parse_wave_header   print_config   print_internals   title=   track=   unpack_ieee   vbr_hard_min=   vbr_hard_min?   vbr_max_bitrate   vbr_max_bitrate=   vbr_min_bitrate   vbr_min_bitrate=   vbr_quality   vbr_quality=   vbr_type   vbr_type=   write_vbr_tag?   write_vbr_tags   year=  

Constants

WAV_ID_RIFF = 0x52494646
WAV_ID_WAVE = 0x57415645
WAV_ID_FMT = 0x666d7420
WAV_ID_DATA = 0x64617461
IFF_ID_FORM = 0x464f524d
IFF_ID_AIFF = 0x41494646
IFF_ID_AIFC = 0x41494643
IFF_ID_COMM = 0x434f4d4d
IFF_ID_SSND = 0x53534e44
IFF_ID_NONE = 0x4e4f4e45
IFF_ID_2CBE = 0x74776f73
IFF_ID_2CLE = 0x736f7774
VBR_OFF = 0
VBR_NORMAL = 2
VBR_FAST = 4
MODE_NAMES = [ [ 'stereo', 'j-stereo', 'dual-ch', 'single-ch' ], [ 'stereo', 'force-ms', 'dual-ch', 'single-ch' ], ]

Attributes

logger  [RW] 
pcmbitwidth  [RW] 

Public Class methods

Public Instance methods

encoder.album=

Set the ID3 album.

encoder.artist=

Set the ID3 artist.

encoder.compression_ratio

Get the mpeg compression ratio

encoder.flush

Flush the encoder

encoder.force_ms

Get the force ms flag

encoder.genre=

Set the ID3 genre.

encoder.in_samplerate=

Set the input samplerate

encoder.init_params

Initialize lame parameters.

encoder.mpeg_mode

Get the mpeg mode

encoder.mpeg_quality

Get the mpeg quality

encoder.mpeg_verison

Get the mpeg version

encoder.num_channels

Get the number of channels

encoder.num_channels=

Set the number of channels

encoder.num_samples

Get the number of samples

encoder.num_samples=

Set the number of samples

encoder.out_samplerate

Get the out samplerate

encoder.print_config

Print the encoder configuration.

encoder.print_internals

Print the lame internals. For debugging

encoder.title=

Set the ID3 title.

encoder.track=

Set the ID3 track.

encoder.vbr_hard_min=

Strictly enforce the vbr min bitrate. Normally it will be violated for analog silence.

encoder.vbr_hard_min?

Get the hard minimum flag.

encoder.vbr_max_bitrate

Get the maximum vbr bitrate.

encoder.vbr_max_bitrate=

Set the maximum vbr bitrate.

encoder.vbr_min_bitrate

Get the minimum vbr bitrate.

encoder.vbr_min_bitrate=

Set the minimum vbr bitrate.

encoder.quality

Get the VBR quality. 0 = highest, 9 = lowest

encoder.quality=

Set the VBR quality. 0 = highest, 9 = lowest

encoder.vbr_type

Get the type of VBR.

encoder.vbr_type=

Set the type of VBR. Must be VBR_OFF, VBR_NORMAL, or VBR_FAST

encoder.write_vbr_tag

Write the vbr tag

encoder.write_vbr_tags(outfile)

Write the VBR tags to outfile

encoder.year=

Set the ID3 year.

[Validate]