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kernel: Revert net: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends See: https://github.com/raspberrypi/linux/pull/2717 kernel: thermal: add hysteresis support and adjust PoE HAT trip points See: https://github.com/raspberrypi/linux/pull/2700 kernel: Add composite RPi driver for pcm512x DAC HAT cards See: https://github.com/raspberrypi/linux/pull/2702 firmware: jpeg/mjpeg: MJPEG doesn't insert JFIF APP0 header See: https://github.com/raspberrypi/userland/issues/345 firmware: Add IL HVS component firmware: mmal: Acquire zero copy buffers on being passed to the VPU firmware: video_render: Use per pixel alpha on RGBA and BGRA firmware: video_render: Add support for alpha options (MIX and PREMULT)
93 lines
3.9 KiB
HTML
93 lines
3.9 KiB
HTML
<html>
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<head>
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<title>audio_processor</title>
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<body>
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<table border="0" cellpadding="10"><tr valign="top"><td>
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<table border="0" cellspacing="0" cellpadding="1"><tr>
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<td bgcolor="#e0c0c0"><a href="index.html">Top</a><br>
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<tr><td bgcolor="#c0e0e0">
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<a href="audio_capture.html">audio_capture</a><br>
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<a href="audio_decode.html">audio_decode</a><br>
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<a href="audio_encode.html">audio_encode</a><br>
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<a href="audio_lowpower.html">audio_lowpower</a><br>
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<a href="audio_mixer.html">audio_mixer</a><br>
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<a href="audio_processor.html">audio_processor</a><br>
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<a href="audio_render.html">audio_render</a><br>
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<a href="audio_splitter.html">audio_splitter</a><br>
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<tr><td bgcolor="#e0c0c0">
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<a href="image_decode.html">image_decode</a><br>
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<a href="image_encode.html">image_encode</a><br>
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<a href="image_fx.html">image_fx</a><br>
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<a href="resize.html">resize</a><br>
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<a href="source.html">source</a><br>
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<a href="clock.html">clock</a><br>
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<a href="text_scheduler.html">text_scheduler</a><br>
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<a href="visualisation.html">visualisation</a><br>
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<tr><td bgcolor="#e0c0c0">
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<a href="camera.html">camera</a><br>
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<a href="egl_render.html">egl_render</a><br>
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<a href="hvs.html">hvs</a><br>
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<a href="isp.html">isp</a><br>
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<a href="rawcam.html">rawcam</a><br>
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<a href="video_decode.html">video_decode</a><br>
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<a href="video_encode.html">video_encode</a><br>
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<a href="video_render.html">video_render</a><br>
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<a href="video_scheduler.html">video_scheduler</a><br>
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<a href="video_splitter.html">video_splitter</a><br>
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<tr><td bgcolor="#c0e0e0">
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<a href="prop.html">Custom Index</a><br>
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<a href="metadata.html">Metadata</a><br>
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</table><td>
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<h1>OMX.broadcom.audio_processor</h1>
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<table cellspacing="0" cellpadding="2"><tr>
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<td cellpadding="0">
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<table border="0" cellborder="1" cellspacing="0">
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<tr><td border="1" port="300" bgcolor="green">300</td></tr>
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</table></td>
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<td bgcolor="grey" border="1">audio_processor</td> <td cellpadding="0">
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<table border="0" cellborder="1" cellspacing="0">
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<tr><td border="1" port="301" bgcolor="green">301</td></tr>
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</table></td>
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</tr></table><p>
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<p>
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The conformant audio_processor component accepts raw PCM audio from
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the input port, passes it through an audio effect or an equalization
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stage and forwards it to the output port.
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<p>
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<p>
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<table border="1" cellspacing="0" cellpadding="2"><tr><td>Port<td>Index<td>Notes
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<tr valign="top"><td rowspan="3">300 301<td><tt>OMX_IndexParamPortDefinition</tt>
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<td> Query / set the port parameters for the audio input/output streams.
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The audio format must not be encoded. code{nBufferSize} must be a multiple
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of 32 and and equal to or larger than 1024. <tt>nBufferAlignment</tt> must be
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equal to or larger than 32.
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<tr valign="top"><td><tt>OMX_IndexParamAudioPcm</tt>
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<td> Query / set the port PCM format (read-only for the output port).
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<tt>nChannels</tt> must be 1, 2, 4, or 8. 5.1 audio can be carried
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inside 8 channels, with the last two channels advertise as blank.
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<tt>eNumData</tt> must be <tt>OMX_NumericalDataSigned</tt>.
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<tt>eEndian</tt> must be <tt>OMX_EndianLittle</tt>.
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<tt>bInterleaved</tt> must be <tt>OMX_TRUE</tt>.
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<tt>nBitPerSample</tt> must be 16 or 32.
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<tt>nSamplingRate</tt> must be less or equal to 96000.
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<tt>ePCMMode</tt> must be <tt>OMX_AUDIO_PCMModeLinear</tt>.
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<tr valign="top"><td><tt>OMX_IndexParamAudioPortFormat</tt>
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<td> Query / set audio port format used on this port. These ports
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support PCM only.
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<tr valign="top"><td rowspan="2">301<td><tt>OMX_IndexConfigAudioEqualizer</tt>
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<td> Query / set audio equalizer properties or enable / disable
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equalizer effect.
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<tr valign="top"><td><tt><a href="prop.html#OMX_IndexConfigBrcmAudioEffectControl">OMX_IndexConfigBrcmAudioEffectControl</a></tt>
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<td> Query / set audio processing plugin properties or enable / disable
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the plugin.
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</table>
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</table>
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</body>
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</html>
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