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updated audio docs

This commit is contained in:
thrust26 2019-04-05 09:48:03 +02:00
parent c58a149916
commit 14b22d185b
2 changed files with 60 additions and 36 deletions
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65
docs/index.html
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@ -1899,28 +1899,52 @@
shown.</td> shown.</td>
</tr> </tr>
<tr> <tr>
<td><pre>-sound &lt;1|0&gt;</pre></td> <td><pre>-audio.enabled &lt;1|0&gt;</pre></td>
<td>Enable or disable sound generation.</td> <td>Enable or disable sound generation.</td>
</tr> </tr>
<tr> <tr>
<td><pre>-fragsize &lt;number&gt;</pre></td> <td><pre>-audio.volume &lt;0 - 100&gt;</pre></td>
<td>Specify the sound fragment size to use. Linux/Mac seems to work <td>Set the volume.</td>
with 512, Windows usually needs 1024.</td> </tr>
</tr>
<tr> <tr>
<td><pre>-freq &lt;number&gt;</pre></td> <td><pre>-audio.preset &lt;1 - 5&gt;</pre></td>
<td>Set sound sample output frequency (11025, 22050, 31400, 44100, 48000) <td>Set an audio preset. Numbers in sequence represent presets for
Default is 31400. Do not change unless you experience sound 'custom', 'low quality, 'medium lag', 'high quality, medium lag',
issues.</td> 'high quality, low lag' and 'very high quality, very low lag'.</td>
</tr> </tr>
<tr> <tr>
<td><pre>-volume &lt;number&gt;</pre></td> <td><pre>-audio.fragment_size &lt;128|256|512|1024|2048|4096&gt;</pre></td>
<td>Set the volume (0 - 100).</td> <td>Set the number of samples in a single fragment processed by the audio driver.</td>
</tr> </tr>
<tr>
<td><pre>-audio.sample_rate &lt;44100|48000|96000&gt;</pre></td>
<td>Set sound sample output frequency.</td>
</tr>
<tr>
<td><pre>-audio.resampling_quality &lt;1|2|3&gt;</pre></td>
<td>Set resampling quality to low (1), high (2) or ultra (3).</td>
</tr>
<tr>
<td><pre>-audio.headroom &lt;0 - 20&gt;</pre></td>
<td>Set number of additional half-frames to prebuffer.</td>
</tr>
<tr>
<td><pre>-audio.buffer_size &lt;0 - 20&gt;</pre></td>
<td>Set maximum number of additional half-frames to buffer.</td>
</tr>
<tr>
<td><pre>-audio.stereo &lt;1|0&gt;</pre></td>
<td>Enable or disable stereo mode for all ROMs.</td>
</tr>
<tr> <tr>
<td><pre>-tia.zoom &lt;zoom&gt;</pre></td> <td><pre>-tia.zoom &lt;zoom&gt;</pre></td>
@ -1961,7 +1985,7 @@
<tr> <tr>
<td><pre>-tv.filter &lt;0 - 5&gt;</pre></td> <td><pre>-tv.filter &lt;0 - 5&gt;</pre></td>
<td>Blargg TV effects, 0 is disabled, next numbers in <td>Blargg TV effects, 0 is disabled, next numbers in
sequence represent presets for 'RGB', 'S-Video', 'Composite', 'Bad Adjust', sequence represent presets for 'RGB', 'S-Video', 'Composite', 'Bad Adjust'
and 'Custom' modes.</td> and 'Custom' modes.</td>
</tr> </tr>
@ -2659,6 +2683,7 @@
</td><td>-audio.resampling_quality</td></tr> </td><td>-audio.resampling_quality</td></tr>
<tr><td>Headroom</td><td>Number of frames to buffer before playback starts. Higher values increase latency, but reduce the potential for dropouts.</td><td>-audio.headroom</td></tr> <tr><td>Headroom</td><td>Number of frames to buffer before playback starts. Higher values increase latency, but reduce the potential for dropouts.</td><td>-audio.headroom</td></tr>
<tr><td>Buffer size</td><td>Maximum size of the audio buffer. Higher values increase maximum latency, but reduce the potential for dropouts</td><td>-audio.buffer_size</td></tr> <tr><td>Buffer size</td><td>Maximum size of the audio buffer. Higher values increase maximum latency, but reduce the potential for dropouts</td><td>-audio.buffer_size</td></tr>
<tr><td>Stereo for all ROMs</td><td>Enables stereo mode for all ROMs.</td><td>-audio.stereo</td></tr>
</table> </table>
<p> <p>
<strong>IMPORTANT:</strong> In order to maintain a stable stream of audio data, emulation speed must be <strong>IMPORTANT:</strong> In order to maintain a stable stream of audio data, emulation speed must be

31
src/emucore/Settings.cxx
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@ -67,13 +67,13 @@ Settings::Settings()
// Sound options // Sound options
setPermanent(AudioSettings::SETTING_ENABLED, AudioSettings::DEFAULT_ENABLED); setPermanent(AudioSettings::SETTING_ENABLED, AudioSettings::DEFAULT_ENABLED);
setPermanent(AudioSettings::SETTING_VOLUME, AudioSettings::DEFAULT_VOLUME); setPermanent(AudioSettings::SETTING_VOLUME, AudioSettings::DEFAULT_VOLUME);
setPermanent(AudioSettings::SETTING_STEREO, AudioSettings::DEFAULT_STEREO);
setPermanent(AudioSettings::SETTING_PRESET, static_cast<int>(AudioSettings::DEFAULT_PRESET)); setPermanent(AudioSettings::SETTING_PRESET, static_cast<int>(AudioSettings::DEFAULT_PRESET));
setPermanent(AudioSettings::SETTING_SAMPLE_RATE, AudioSettings::DEFAULT_SAMPLE_RATE);
setPermanent(AudioSettings::SETTING_FRAGMENT_SIZE, AudioSettings::DEFAULT_FRAGMENT_SIZE); setPermanent(AudioSettings::SETTING_FRAGMENT_SIZE, AudioSettings::DEFAULT_FRAGMENT_SIZE);
setPermanent(AudioSettings::SETTING_BUFFER_SIZE, AudioSettings::DEFAULT_BUFFER_SIZE); setPermanent(AudioSettings::SETTING_SAMPLE_RATE, AudioSettings::DEFAULT_SAMPLE_RATE);
setPermanent(AudioSettings::SETTING_HEADROOM, AudioSettings::DEFAULT_HEADROOM);
setPermanent(AudioSettings::SETTING_RESAMPLING_QUALITY, static_cast<int>(AudioSettings::DEFAULT_RESAMPLING_QUALITY)); setPermanent(AudioSettings::SETTING_RESAMPLING_QUALITY, static_cast<int>(AudioSettings::DEFAULT_RESAMPLING_QUALITY));
setPermanent(AudioSettings::SETTING_HEADROOM, AudioSettings::DEFAULT_HEADROOM);
setPermanent(AudioSettings::SETTING_BUFFER_SIZE, AudioSettings::DEFAULT_BUFFER_SIZE);
setPermanent(AudioSettings::SETTING_STEREO, AudioSettings::DEFAULT_STEREO);
// Input event options // Input event options
setPermanent("keymap", ""); setPermanent("keymap", "");
@ -367,18 +367,17 @@ void Settings::usage() const
<< " -uimessages <1|0> Show onscreen UI messages for different events\n" << " -uimessages <1|0> Show onscreen UI messages for different events\n"
<< endl << endl
#ifdef SOUND_SUPPORT #ifdef SOUND_SUPPORT
<< " -audio.enabled <1|0> Enable audio\n" << " -audio.enabled <1|0> Enable audio\n"
<< " -audio.volume <number> Vokume (0-100)\n" << " -audio.volume <0-100> Volume\n"
<< " -audio.stereo <1|0> Enable stereo mode for all ROMs\n" << " -audio.preset <1-5> Audio preset (or 1 for custom)\n"
<< " -audio.preset <1-5> Audio preset (or 1 for custom)\n" << " -audio.sample_rate <number> Output sample rate (44100|48000|96000)\n"
<< " -audio.sample_rate <number> Output sample rate (44100|48000|96000)\n" << " -audio.fragment_size <number> Fragment size (128|256|512|1024|\n"
<< " -audio.fragment_size <number> Fragment size (128|256|512|1024|\n" << " 2048|4096)\n"
<< " 2048|4096)\n" << " -audio.resampling_quality <1-3> Resampling quality\n"
<< " -audio.buffer_size <number> Max. number of additional half-\n" << " -audio.headroom <0-20> Additional half-frames to prebuffer\n"
<< " frames to buffer(0-20)\n" << " -audio.buffer_size <0-20> Max. number of additional half-\n"
<< " -audio.headroom <number> Additional half-frames to prebuffer\n" << " frames to buffer\n"
<< " (0-20)\n" << " -audio.stereo <1|0> Enable stereo mode for all ROMs\n"
<< " -audio.resampling_quality <1-3> Resampling quality\n"
<< endl << endl
#endif #endif
<< " -tia.zoom <zoom> Use the specified zoom level (windowed mode)\n" << " -tia.zoom <zoom> Use the specified zoom level (windowed mode)\n"