SDL::AudioSpec -- SDL Bindings for structure SDL_AudioSpec
+SDL::AudioSpec -- SDL Bindings for structure SDL::AudioSpec
TODO, Core, Audio, Structure
+Core, Audio, Structure
+ + use SDL;
+ use SDL::AudioSpec;
+
+ SDL::init(SDL_INIT_AUDIO);
+
+ my $audio_spec = SDL::AudioSpec->new();
+
+ $audio_spec->freq(22050); # 22050Hz - FM Radio quality
+ $audio_spec->format(AUDIO_S16SYS); # 16-bit signed audio
+ $audio_spec->samples(8192); # Large audio buffer reduces risk of dropouts but increases response time
+ $audio_spec->channels(1); # Mono
+ $audio_spec->callback('main::callback');
+
+ sub callback
+ {
+ # do something here
+ }
+
+
+
+The SDL::AudioSpec structure is used to describe the format of some audio data. This structure is used by SDL::Audio::open_audio
+and SDL::Audio::load_wav.
+While all fields are used by SDL::Audio::open_audio, only freq, format, samples and channels are used by SDL::Audio::load_wav.
+We will detail these common members here.
The number of samples sent to the sound device every second. Common values are 11025, 22050 and 44100. The higher the better.
+ +Specifies the size and type of each sample element. Values it can take are:
+Unsigned 8-bit samples.
+Signed 8-bit samples.
+not supported by all hardware (unsigned 16-bit little-endian)
+not supported by all hardware (signed 16-bit little-endian)
+not supported by all hardware (unsigned 16-bit big-endian)
+not supported by all hardware (signed 16-bit big-endian)
+Either AUDIO_U16LSB or AUDIO_U16MSB depending on hardware CPU endianness
+Either AUDIO_S16LSB or AUDIO_S16MSB depending on hardware CPU endianness
+The number of separate sound channels. 1 is mono (single channel), 2 is stereo (dual channel).
+ +When used with SDL::Audio::open_audio this refers to the size of the audio buffer in samples. A sample is a chunk of audio data of the
+size specified in format multiplied by the number of channels. When the SDL::AudioSpec is used with SDL::Audio::load_wav samples is
+set to 4096.
To be documented.