Change #259292

Comments

avformat/rtpenc: use unsigned type for ssrc option
The ssrc option used AV_OPT_TYPE_INT with range [INT_MIN, INT_MAX],
but the underlying struct field is uint32_t and RFC 3550 defines SSRC
as a 32-bit identifier covering the full [0, UINT32_MAX] range. This
caused ffmpeg to reject any SSRC value above INT_MAX (~2.1 billion),
which is roughly half of all valid values.

The auto-generated fallback path (av_get_random_seed()) already
returns uint32_t and can produce values above INT_MAX, creating an
inconsistency where the automatic path succeeds but the explicit
-ssrc option rejects the same value.

Change the option to AV_OPT_TYPE_UINT with range [0, UINT32_MAX]
to match the field type and allow the full identifier space.

Fixes ticket #9080.

Signed-off-by: Neko Asakura <neko.asakura@outlook.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Changed files

• libavformat/rtpenc.c