diff options
| -rw-r--r-- | common/rfb/JpegEncoder.cxx | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/common/rfb/JpegEncoder.cxx b/common/rfb/JpegEncoder.cxx index f3dbdeed..4542da41 100644 --- a/common/rfb/JpegEncoder.cxx +++ b/common/rfb/JpegEncoder.cxx @@ -133,9 +133,17 @@ void JpegEncoder::writeRect(PixelBuffer* pb, const Rect& r) const rdr::U32* pixels = (const rdr::U32 *)pb->getPixelsR(r, &stride); const PixelFormat& fmt = pb->getPF(); - // Encode data + // Try to encode data jcomp->compress(pixels, &fmt, r.width(), r.height(), stride); + // If not successful, switch to StandardJpegCompressor + if (jcomp->getDataLength() == 0) { + vlog.info("switching to standard software JPEG compressor"); + delete jcomp; + jcomp = new StandardJpegCompressor; + jcomp->setQuality(qualityMap[6]); + } + // Write Tight-encoded header and JPEG data. os->writeU8(0x09 << 4); os->writeCompactLength(jcomp->getDataLength()); |