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feat: 支持树莓派 v4l2m2m 编码器探测

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mofeng
2026-02-09 14:54:46 +08:00
parent 8b17a0c48b
commit f8a031c90c
6 changed files with 85 additions and 12 deletions
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34
libs/hwcodec/src/ffmpeg_ram/encode.rs
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@@ -352,16 +352,46 @@ impl Encoder {
debug!("Encoder {} created successfully", codec.name);
let mut passed = false;
let mut last_err: Option<i32> = None;
let is_v4l2m2m = codec.name.contains("v4l2m2m");
let max_attempts = 1;
let max_attempts = if is_v4l2m2m { 5 } else { 1 };
for attempt in 0..max_attempts {
if is_v4l2m2m {
encoder.request_keyframe();
}
let pts = (attempt as i64) * 33; // 33ms is an approximation for 30 FPS (1000 / 30)
let start = std::time::Instant::now();
match encoder.encode(&yuv, pts) {
Ok(frames) => {
let elapsed = start.elapsed().as_millis();
if frames.len() == 1 {
if is_v4l2m2m {
if !frames.is_empty() && elapsed < TEST_TIMEOUT_MS as _ {
debug!(
"Encoder {} test passed on attempt {} (frames: {})",
codec.name,
attempt + 1,
frames.len()
);
res.push(codec.clone());
passed = true;
break;
} else if frames.is_empty() {
debug!(
"Encoder {} test produced no output on attempt {}",
codec.name,
attempt + 1
);
} else {
debug!(
"Encoder {} test failed on attempt {} - frames: {}, timeout: {}ms",
codec.name,
attempt + 1,
frames.len(),
elapsed
);
}
} else if frames.len() == 1 {
if frames[0].key == 1 && elapsed < TEST_TIMEOUT_MS as _ {
debug!(
"Encoder {} test passed on attempt {}",