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add additional opus encoder options

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This commit is contained in:
Ethan Halsall
2021-01-09 22:04:00 -06:00
parent 81ea749248
commit 0d606c743b
2 changed files with 28 additions and 1 deletions
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23
src/encoder/plugins/OpusEncoderPlugin.cxx
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@@ -76,6 +76,9 @@ class PreparedOpusEncoder final : public PreparedEncoder {
opus_int32 bitrate;
int complexity;
int signal;
int packet_loss;
int vbr;
int vbr_constraint;
const bool chaining;
public:
@@ -118,6 +121,23 @@ PreparedOpusEncoder::PreparedOpusEncoder(const ConfigBlock &block)
signal = OPUS_SIGNAL_MUSIC;
else
throw std::runtime_error("Invalid signal");
value = block.GetBlockValue("vbr", "yes");
if (strcmp(value, "yes") == 0) {
vbr = 1U;
vbr_constraint = 0U;
} else if (strcmp(value, "no") == 0) {
vbr = 0U;
vbr_constraint = 0U;
} else if (strcmp(value, "constrained") == 0) {
vbr = 1U;
vbr_constraint = 1U;
} else
throw std::runtime_error("Invalid vbr");
packet_loss = block.GetBlockValue("packet_loss", 0U);
if (packet_loss > 100)
throw std::runtime_error("Invalid packet loss");
}
PreparedEncoder *
@@ -173,6 +193,9 @@ PreparedOpusEncoder::Open(AudioFormat &audio_format)
opus_encoder_ctl(enc, OPUS_SET_BITRATE(bitrate));
opus_encoder_ctl(enc, OPUS_SET_COMPLEXITY(complexity));
opus_encoder_ctl(enc, OPUS_SET_SIGNAL(signal));
opus_encoder_ctl(enc, OPUS_SET_VBR(vbr));
opus_encoder_ctl(enc, OPUS_SET_VBR_CONSTRAINT(vbr_constraint));
opus_encoder_ctl(enc, OPUS_SET_PACKET_LOSS_PERC(packet_loss));
return new OpusEncoder(audio_format, enc, chaining);
}