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fmp4mux: Avoid error on caps change with incomplete GOP pushed

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New fragments may accept inter-frames if an incomplete GOP has been
pushed after a caps change and upstream did not handle the
force-key-unit event.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/1914>
This commit is contained in:
Jochen Henneberg 2024-11-13 05:53:29 +01:00
parent 1dcf0943db
commit b95f39f4bf
1 changed files with 7 additions and 3 deletions
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10
mux/fmp4/src/fmp4mux/imp.rs
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@ -1694,7 +1694,7 @@ impl FMP4Mux {
fragment_end_pts: gst::ClockTime,
chunk_start_pts: gst::ClockTime,
chunk_end_pts: Option<gst::ClockTime>,
fragment_start: bool,
check_fragment_start: bool,
fragment_filled: bool,
) -> Result<Vec<Gop>, gst::FlowError> {
assert!(
@ -1897,7 +1897,7 @@ impl FMP4Mux {
}
}
if fragment_start {
if check_fragment_start {
if let Some(first_buffer) = gops.first().and_then(|gop| gop.buffers.first()) {
if first_buffer
.buffer
@ -2254,7 +2254,11 @@ impl FMP4Mux {
fragment_end_pts,
chunk_start_pts,
chunk_end_pts,
fragment_start,
// Fragment start checks should only happen if there was no caps/tag change with
// incomplete GOP pushed before. This will become active only in case there was an
// incomplete GOP pushed before because otherwise the new fragment will not accept
// inter-frames before an intra-frame anyway.
state.sent_headers && fragment_start,
fragment_filled,
)?;
stream.fragment_filled = false;