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f52dfe5797
Split the input buffer data into decoder units that represent a JPEG segment. Handle scan decoder unit specifically so that it can include both the scan header (SOS) but also any other ECS or RSTi segment. That way, we parse the input buffer stream only once at the gst-vaapi level instead of (i) in gst_vaapi_decoder_jpeg_parse() to split the stream into frames SOI .. EOI and (ii) in decode_buffer() to further determine segment boundaries and decode them. In practice, this is a +15 to +25% performance improvement. |
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