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feat: v4l2 buffer 由2改为4

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mofeng-git
2026-07-05 21:15:44 +08:00
parent bb2691fe8f
commit 16a65289f2
4 changed files with 11 additions and 24 deletions
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22
src/video/pipeline/shared.rs
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@@ -38,7 +38,6 @@ const CSI_BRIDGE_NOSIGNAL_INTERVAL_MS: u64 = 500;
const NOSIGNAL_POLL_MAX: Duration = Duration::from_secs(20);
/// Throttle repeated encoding errors to avoid log flooding
const ENCODE_ERROR_THROTTLE_SECS: u64 = 5;
const INVALID_MJPEG_LOG_THROTTLE_SECS: u64 = 5;
static PROCESS_START: std::sync::OnceLock<Instant> = std::sync::OnceLock::new();
@@ -61,6 +60,7 @@ use crate::video::frame::{FrameBuffer, FrameBufferPool, VideoFrame};
use crate::video::signal::SignalStatus;
const MIN_CAPTURE_FRAME_SIZE: usize = 128;
#[cfg(all(
any(target_arch = "aarch64", target_arch = "arm"),
not(target_os = "android")
@@ -870,8 +870,6 @@ impl SharedVideoPipeline {
let mut sequence: u64 = 0;
let mut consecutive_timeouts: u32 = 0;
let capture_error_throttler = LogThrottler::with_secs(5);
let invalid_mjpeg_throttler =
LogThrottler::with_secs(INVALID_MJPEG_LOG_THROTTLE_SECS);
let mut suppressed_capture_errors: HashMap<String, u64> = HashMap::new();
while pipeline.running_flag.load(Ordering::Acquire) {
@@ -1232,24 +1230,8 @@ impl SharedVideoPipeline {
}
owned.truncate(frame_size);
if pixel_format.is_compressed() && !VideoFrame::is_valid_jpeg_bytes(&owned) {
if invalid_mjpeg_throttler.should_log("invalid_mjpeg_capture_frame") {
let b0 = owned.first().copied().unwrap_or_default();
let b1 = owned.get(1).copied().unwrap_or_default();
warn!(
"Dropping invalid MJPEG capture frame: size={}, starts with 0x{:02x} 0x{:02x}",
owned.len(),
b0,
b1
);
}
continue;
}
// Notify streaming only after frame validation passes —
// stale/warm-up frames from V4L2 kernel queues can cause
// DQBUF Ok with invalid data, which would prematurely
// clear the frontend error overlay.
// Notify streaming only after the short-frame guard passes.
pipeline.notify_state(PipelineStateNotification::streaming());
let frame = Arc::new(VideoFrame::from_pooled(
Arc::new(FrameBuffer::new(owned, Some(buffer_pool.clone()))),