static nsresult
NegotiatedDetailsToVideoCodecConfigs(const JsepTrackNegotiatedDetails& aDetails,
PtrVector<VideoCodecConfig>* aConfigs)
{
std::vector<JsepCodecDescription*> codecs(GetCodecs(aDetails));
for (const JsepCodecDescription* codec : codecs) {
VideoCodecConfig* config;
if (NS_FAILED(JsepCodecDescToCodecConfig(*codec, &config))) {
return NS_ERROR_INVALID_ARG;
}
for (size_t i = 0; i < aDetails.GetEncodingCount(); ++i) {
const JsepTrackEncoding& jsepEncoding(aDetails.GetEncoding(i));
if (jsepEncoding.HasFormat(codec->mDefaultPt)) {
VideoCodecConfig::SimulcastEncoding encoding;
encoding.rid = jsepEncoding.mRid;
encoding.constraints = jsepEncoding.mConstraints;
config->mSimulcastEncodings.push_back(encoding);
}
}
aConfigs->values.push_back(config);
}
return NS_OK;
}
static std::vector<JsepCodecDescription*>
GetCodecs(const JsepTrackNegotiatedDetails& aDetails)
{
// We do not try to handle cases where a codec is not used on the primary
// encoding.
if (aDetails.GetEncodingCount()) {
return aDetails.GetEncoding(0).GetCodecs();
}
return std::vector<JsepCodecDescription*>();
}
void SanityCheckNegotiatedDetails(const JsepTrackNegotiatedDetails& a,
const JsepTrackNegotiatedDetails& b) const
{
ASSERT_EQ(a.GetEncodingCount(), b.GetEncodingCount());
for (size_t i = 0; i < a.GetEncodingCount(); ++i) {
SanityCheckEncodings(a.GetEncoding(i), b.GetEncoding(i));
}
ASSERT_EQ(a.GetUniquePayloadTypes().size(),
b.GetUniquePayloadTypes().size());
for (size_t i = 0; i < a.GetUniquePayloadTypes().size(); ++i) {
ASSERT_EQ(a.GetUniquePayloadTypes()[i], b.GetUniquePayloadTypes()[i]);
}
}