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f62ee97592
For metas where order might be significant if multiple metas are attached to the same buffer, so store a sequence number with the meta when adding it to the buffer. This allows users of the meta to make sure metas are processed in the right order. We need a 64-bit integer for the sequence number here in the API, a 32-bit one might overflow too easily with high packet/buffer rates. We could do it rtp-seqnum style of course, but that's a bit of a pain. We could also make it so that gst_buffer_add_meta() just keeps metas in order or rely on the order we add the metas in, but that seems too fragile overall, when buffers (incl. metas) get merged or split. Also add a compare function for easier sorting. We store the seqnum in the MetaItem struct here and not in the GstMeta struct since there's no padding in the GstMeta struct. We could add a private struct to GstMeta before the start of GstMeta, but that's what MetaItem effectively is implementation- wise. We can still change this later if we want, since it's all private. Fixes #262 |
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| README | ||
This directory contains regression tests, functionality tests, examples, benchmarks, ... benchmarks/ benchmarks to profile pieces of GStreamer check/ unit tests using the check library, non-interactive examples/ small examples demonstrating the use of various features misc/ prototypes, random bits, ...