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fix: ffprobe duration 解析增加 format 回退，兼容 MPEG-TS 等格式

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小鱼开发
2026-05-21 14:34:08 +08:00
parent a913c6e3da
commit 81145fb9d0
1 changed files with 10 additions and 5 deletions
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tauri-app/src-tauri/src/ffmpeg_cmd.rs
+10 -5
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@@ -546,7 +546,7 @@ pub async fn get_video_metadata(app: &AppHandle, input_path: &str) -> Result<Vid
let args = vec![
"-v".to_string(), "error".to_string(),
"-select_streams".to_string(), "v:0".to_string(),
"-show_entries".to_string(), "stream=width,height,duration,r_frame_rate".to_string(),
"-show_entries".to_string(), "stream=width,height,duration,r_frame_rate:format=duration".to_string(),
"-of".to_string(), "json".to_string(),
safe_input,
];
@@ -611,10 +611,15 @@ pub async fn get_video_metadata(app: &AppHandle, input_path: &str) -> Result<Vid
.and_then(|v| v.as_u64())
.ok_or_else(|| "无法解析视频高度".to_string())? as u32;
// duration 可能是字符串或数字
let duration = stream.get("duration")
.and_then(|v| v.as_f64().or_else(|| v.as_str().and_then(|s| s.parse().ok())))
.unwrap_or(0.0);
// duration 可能是字符串或数字；某些格式（如 MPEG-TS）stream duration 为 N/A，需从 format 回退
let stream_duration = stream.get("duration")
.and_then(|v| v.as_f64().or_else(|| v.as_str().and_then(|s| s.parse().ok())));
let format_duration = parsed.get("format")
.and_then(|f| f.get("duration"))
.and_then(|v| v.as_f64().or_else(|| v.as_str().and_then(|s| s.parse().ok())));
let duration = stream_duration.or(format_duration).unwrap_or(0.0);
// 帧率格式为 "25/1" 或 "30000/1001"
let fps = stream.get("r_frame_rate")