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Fixup H.264 SPS for VideoToolbox compatibility. Fixes #98

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This commit is contained in:
Cameron Gutman
2018-10-12 17:59:53 -07:00
parent 44f415f94d
commit 4f84843b00
8 changed files with 140 additions and 12 deletions
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14
app/streaming/session.cpp
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@@ -350,6 +350,20 @@ void Session::initialize()
m_StreamConfig.width,
m_StreamConfig.height,
m_StreamConfig.fps);
{
// Prior to GFE 3.11, GFE did not allow us to constrain
// the number of reference frames, so we have to fixup the SPS
// to allow decoding via VideoToolbox on macOS. Since we don't
// have fixup code for HEVC, just avoid it if GFE is too old.
QVector<int> gfeVersion = NvHTTP::parseQuad(m_Computer->gfeVersion);
if (gfeVersion.isEmpty() || // Very old versions don't have GfeVersion at all
gfeVersion[0] < 3 ||
(gfeVersion[0] == 3 && gfeVersion[1] < 11)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Disabling HEVC on macOS due to old GFE version");
m_StreamConfig.supportsHevc = false;
}
}
m_StreamConfig.enableHdr = false;
break;
case StreamingPreferences::VCC_FORCE_H264: