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Code Issues Pull Requests Releases Activity

Merge branch 'v0.21.x' into master

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This commit is contained in:
Max Kellermann
2020-09-04 18:35:21 +02:00
parent 9aa432c078 db8b419b8c
commit 67c7116f05
17 changed files with 185 additions and 110 deletions
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src/output/plugins/sles/SlesOutputPlugin.cxx
+32 -5
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@@ -173,12 +173,12 @@ SlesOutput::Open(AudioFormat &audio_format)
if (audio_format.channels > 2)
audio_format.channels = 1;
SLDataFormat_PCM format_pcm;
SLAndroidDataFormat_PCM_EX format_pcm;
format_pcm.formatType = SL_DATAFORMAT_PCM;
format_pcm.numChannels = audio_format.channels;
/* from the Android NDK docs: "Note that the field samplesPerSec is
actually in units of milliHz, despite the misleading name." */
format_pcm.samplesPerSec = audio_format.sample_rate * 1000u;
format_pcm.sampleRate = audio_format.sample_rate * 1000u;
format_pcm.bitsPerSample = SL_PCMSAMPLEFORMAT_FIXED_16;
format_pcm.containerSize = SL_PCMSAMPLEFORMAT_FIXED_16;
format_pcm.channelMask = audio_format.channels == 1
@@ -187,6 +187,36 @@ SlesOutput::Open(AudioFormat &audio_format)
format_pcm.endianness = IsLittleEndian()
? SL_BYTEORDER_LITTLEENDIAN
: SL_BYTEORDER_BIGENDIAN;
format_pcm.representation = SL_ANDROID_PCM_REPRESENTATION_SIGNED_INT;
switch (audio_format.format) {
/* note: Android doesn't support
SL_PCMSAMPLEFORMAT_FIXED_24 and
SL_PCMSAMPLEFORMAT_FIXED_32, so let's not bother
implement it here; SL_PCMSAMPLEFORMAT_FIXED_8
appears to be unsigned, so not usable for us (and
converting S8 to U8 is not worth the trouble) */
case SampleFormat::S16:
/* bitsPerSample and containerSize already set for 16
bit */
break;
case SampleFormat::FLOAT:
/* Android has an OpenSLES extension for floating
point samples:
https://developer.android.com/ndk/guides/audio/opensl/android-extensions */
format_pcm.formatType = SL_ANDROID_DATAFORMAT_PCM_EX;
format_pcm.bitsPerSample = format_pcm.containerSize =
SL_PCMSAMPLEFORMAT_FIXED_32;
format_pcm.representation = SL_ANDROID_PCM_REPRESENTATION_FLOAT;
break;
default:
/* fall back to 16 bit */
audio_format.format = SampleFormat::S16;
break;
}
SLDataSource audioSrc = { &loc_bufq, &format_pcm };
@@ -291,9 +321,6 @@ SlesOutput::Open(AudioFormat &audio_format)
n_queued = 0;
next = 0;
filled = 0;
// TODO: support other sample formats
audio_format.format = SampleFormat::S16;
}
void