From 327f5f3dc30aa7ee174523b270237c969b40fcda Mon Sep 17 00:00:00 2001
From: qydysky <qydysky@foxmail.com>
Date: Mon, 12 May 2025 03:19:01 +0800
Subject: [PATCH] =?utf8?q?Fix=20=E5=BC=82=E5=B8=B8=E5=88=86=E9=85=8D=20#20?=
 =?utf8?q?3=20(#204)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
Content-Transfer-Encoding: 8bit

---
 Reply/fmp4Decode.go | 35 ++++++++++++++++++++++++++---------
 go.mod              |  2 +-
 go.sum              |  4 ++--
 3 files changed, 29 insertions(+), 12 deletions(-)

diff --git a/Reply/fmp4Decode.go b/Reply/fmp4Decode.go
index b127257..eace75d 100644
--- a/Reply/fmp4Decode.go
+++ b/Reply/fmp4Decode.go
@@ -106,7 +106,8 @@ func NewFmp4Decoder() *Fmp4Decoder {
 func (t *Fmp4Decoder) Init_fmp4(buf []byte) (b []byte, err error) {
 	var ftypI, ftypE, moovI, moovE int
 
-	ies, e := decode(buf, "ftyp")
+	ies, recycle, e := decode(buf, "ftyp")
+	defer recycle(ies)
 	if e != nil {
 		return
 	}
@@ -267,7 +268,8 @@ func (t *Fmp4Decoder) Search_stream_fmp4(buf []byte, keyframe *slice.Buf[byte])
 		}
 	)
 
-	ies, e := decode(buf, "moof")
+	ies, recycle, e := decode(buf, "moof")
+	defer recycle(ies)
 	if e != nil {
 		return 0, e
 	}
@@ -512,7 +514,8 @@ func (t *Fmp4Decoder) oneF(buf []byte, w ...dealFMp4) (cu int, err error) {
 		}
 	)
 
-	ies, e := decode(buf, "moof")
+	ies, recycle, e := decode(buf, "moof")
+	defer recycle(ies)
 	if e != nil {
 		return 0, e
 	}
@@ -838,11 +841,18 @@ func deals(ies []ie, dealIEs []dealIE) (err error) {
 var (
 	ErrMisBox     = pe.New("decode", "ErrMisBox")
 	ErrCantResync = pe.New("decode")
+	iesPool       = slice.NewFlexBlocks[ie](5)
 )
 
-func decode(buf []byte, reSyncboxName string) (m []ie, err error) {
+func decode(buf []byte, reSyncboxName string) (m []ie, recycle func([]ie), err error) {
 	var cu int
 
+	m, recycle, err = iesPool.Get()
+	if err != nil {
+		return
+	}
+	m = m[:0]
+
 	for cu < len(buf)-fmp4BoxLenSize-fmp4BoxNameSize {
 		boxName, i, e, E := searchBox(buf, &cu)
 		if E != nil {
@@ -862,11 +872,18 @@ func decode(buf []byte, reSyncboxName string) (m []ie, err error) {
 			return
 		}
 
-		m = append(m, ie{
-			n: boxName,
-			i: i,
-			e: e,
-		})
+		if cu := len(m); cu < cap(m) {
+			m = m[:cu+1]
+			m[cu].n = boxName
+			m[cu].i = i
+			m[cu].e = e
+		} else {
+			m = append(m, ie{
+				n: boxName,
+				i: i,
+				e: e,
+			})
+		}
 	}
 
 	return
diff --git a/go.mod b/go.mod
index d7310f9..27c39a1 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.24
 require (
 	github.com/gotk3/gotk3 v0.6.4
 	github.com/mdp/qrterminal/v3 v3.2.0
-	github.com/qydysky/part v0.28.20250509205808
+	github.com/qydysky/part v0.28.20250511190336
 	github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e
 	github.com/skratchdot/open-golang v0.0.0-20200116055534-eef842397966
 	golang.org/x/text v0.24.0 // indirect
diff --git a/go.sum b/go.sum
index 7e0d856..c2291b6 100644
--- a/go.sum
+++ b/go.sum
@@ -46,8 +46,8 @@ github.com/qydysky/biliApi v0.0.0-20250509210314-8407d638b123 h1:YXqqrwvzFwfs8Lo
 github.com/qydysky/biliApi v0.0.0-20250509210314-8407d638b123/go.mod h1:1FbgCj+aOwIvuRRuX/l5uTLb3JIwWyJSa0uEfwpYV/8=
 github.com/qydysky/brotli v0.0.0-20240828134800-e9913a6e7ed9 h1:k451T+bpsLr+Dq9Ujo+Qtx0iomRA1XXS5ttlEojvfuQ=
 github.com/qydysky/brotli v0.0.0-20240828134800-e9913a6e7ed9/go.mod h1:cI8/gy/wjy2Eb+p2IUj2ZuDnC8R5Vrx3O0VMPvMvphA=
-github.com/qydysky/part v0.28.20250509205808 h1:vyv+TA9uK9IV4n0J5nuACqrARESX2HphoLgslecubyw=
-github.com/qydysky/part v0.28.20250509205808/go.mod h1:wp71PQdKYcg9jn9yDDvqC4shS/kzejyvFqbfUxuHocY=
+github.com/qydysky/part v0.28.20250511190336 h1:99Wfw3jbBQ0iohS2bY5xKNh2mwv5weWoh7harkGEOQ0=
+github.com/qydysky/part v0.28.20250511190336/go.mod h1:wp71PQdKYcg9jn9yDDvqC4shS/kzejyvFqbfUxuHocY=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
 github.com/shirou/gopsutil v3.21.11+incompatible h1:+1+c1VGhc88SSonWP6foOcLhvnKlUeu/erjjvaPEYiI=
-- 
2.39.2