diff --git a/buffersink_flag.go b/buffersink_flag.go
index 52f9826..0565e45 100644
--- a/buffersink_flag.go
+++ b/buffersink_flag.go
@@ -4,7 +4,7 @@ package astiav
 //#include <libavfilter/buffersink.h>
 import "C"
 
-type BuffersinkFlag int
+type BuffersinkFlag int64
 
 // https://github.com/FFmpeg/FFmpeg/blob/n5.0/libavfilter/buffersink.h#L89
 const (
diff --git a/buffersrc_flag.go b/buffersrc_flag.go
index 033bbbe..4b059d0 100644
--- a/buffersrc_flag.go
+++ b/buffersrc_flag.go
@@ -4,7 +4,7 @@ package astiav
 //#include <libavfilter/buffersrc.h>
 import "C"
 
-type BuffersrcFlag int
+type BuffersrcFlag int64
 
 // https://github.com/FFmpeg/FFmpeg/blob/n5.0/libavfilter/buffersrc.h#L36
 const (
diff --git a/codec_context_flag.go b/codec_context_flag.go
index 63fd4a3..2bda433 100644
--- a/codec_context_flag.go
+++ b/codec_context_flag.go
@@ -4,7 +4,7 @@ package astiav
 //#include <libavcodec/avcodec.h>
 import "C"
 
-type CodecContextFlag int
+type CodecContextFlag int64
 
 // https://github.com/FFmpeg/FFmpeg/blob/n5.0/libavcodec/avcodec.h#L206
 const (
@@ -28,7 +28,7 @@ const (
 	CodecContextFlagClosedGop     = CodecContextFlag(C.AV_CODEC_FLAG_CLOSED_GOP)
 )
 
-type CodecContextFlag2 int
+type CodecContextFlag2 int64
 
 // https://github.com/FFmpeg/FFmpeg/blob/n5.0/libavcodec/avcodec.h#L287
 const (
diff --git a/codec_hardware_config_method_flag.go b/codec_hardware_config_method_flag.go
index 73d30f9..5c5bc0f 100644
--- a/codec_hardware_config_method_flag.go
+++ b/codec_hardware_config_method_flag.go
@@ -5,7 +5,7 @@ package astiav
 import "C"
 
 // https://github.com/FFmpeg/FFmpeg/blob/n5.0/libavcodec/codec.h#L420
-type CodecHardwareConfigMethodFlag int
+type CodecHardwareConfigMethodFlag int64
 
 const (
 	CodecHardwareConfigMethodFlagAdHoc       = CodecHardwareConfigMethodFlag(C.AV_CODEC_HW_CONFIG_METHOD_AD_HOC)
diff --git a/dictionary_flag.go b/dictionary_flag.go
index 2edf0ef..080a0da 100644
--- a/dictionary_flag.go
+++ b/dictionary_flag.go
@@ -4,7 +4,7 @@ package astiav
 //#include <libavutil/dict.h>
 import "C"
 
-type DictionaryFlag int
+type DictionaryFlag int64
 
 // https://github.com/FFmpeg/FFmpeg/blob/n5.0/libavutil/dict.h#L67
 const (
diff --git a/filter_command_flag.go b/filter_command_flag.go
index beffcdd..cfe7c1a 100644
--- a/filter_command_flag.go
+++ b/filter_command_flag.go
@@ -4,7 +4,7 @@ package astiav
 //#include <libavfilter/avfilter.h>
 import "C"
 
-type FilterCommandFlag int
+type FilterCommandFlag int64
 
 // https://github.com/FFmpeg/FFmpeg/blob/n5.0/libavfilter/avfilter.h#L739
 const (
diff --git a/format_context_ctx_flag.go b/format_context_ctx_flag.go
index efe285e..4d38ef9 100644
--- a/format_context_ctx_flag.go
+++ b/format_context_ctx_flag.go
@@ -4,7 +4,7 @@ package astiav
 //#include <libavformat/avformat.h>
 import "C"
 
-type FormatContextCtxFlag int
+type FormatContextCtxFlag int64
 
 // https://github.com/FFmpeg/FFmpeg/blob/n5.0/libavformat/avformat.h#L1153
 const (
diff --git a/format_context_flag.go b/format_context_flag.go
index 1ef9a9c..119d57a 100644
--- a/format_context_flag.go
+++ b/format_context_flag.go
@@ -4,7 +4,7 @@ package astiav
 //#include <libavformat/avformat.h>
 import "C"
 
-type FormatContextFlag int
+type FormatContextFlag int64
 
 // https://github.com/FFmpeg/FFmpeg/blob/n5.0/libavformat/avformat.h#L1321
 const (
diff --git a/format_event_flag.go b/format_event_flag.go
index 35cfe03..12772f2 100644
--- a/format_event_flag.go
+++ b/format_event_flag.go
@@ -4,7 +4,7 @@ package astiav
 //#include <libavformat/avformat.h>
 import "C"
 
-type FormatEventFlag int
+type FormatEventFlag int64
 
 // https://github.com/FFmpeg/FFmpeg/blob/n5.0/libavformat/avformat.h#L1519
 const (
diff --git a/io_context_flag.go b/io_context_flag.go
index 29fbb38..c2c5a7f 100644
--- a/io_context_flag.go
+++ b/io_context_flag.go
@@ -4,7 +4,7 @@ package astiav
 //#include <libavformat/avformat.h>
 import "C"
 
-type IOContextFlag int
+type IOContextFlag int64
 
 // https://github.com/FFmpeg/FFmpeg/blob/n5.0/libavformat/avio.h#L621
 const (
diff --git a/io_format_flag.go b/io_format_flag.go
index a6b8bc3..7162cce 100644
--- a/io_format_flag.go
+++ b/io_format_flag.go
@@ -4,7 +4,7 @@ package astiav
 //#include <libavformat/avformat.h>
 import "C"
 
-type IOFormatFlag int
+type IOFormatFlag int64
 
 // https://github.com/FFmpeg/FFmpeg/blob/n5.0/libavformat/avformat.h#L464
 const (
diff --git a/packet_flag.go b/packet_flag.go
index c41457e..9b02b2a 100644
--- a/packet_flag.go
+++ b/packet_flag.go
@@ -4,7 +4,7 @@ package astiav
 //#include <libavcodec/avcodec.h>
 import "C"
 
-type PacketFlag int
+type PacketFlag int64
 
 // https://github.com/FFmpeg/FFmpeg/blob/n5.0/libavcodec/packet.h#L428
 const (
diff --git a/seek_flag.go b/seek_flag.go
index 1884d71..a40b52c 100644
--- a/seek_flag.go
+++ b/seek_flag.go
@@ -4,7 +4,7 @@ package astiav
 //#include <libavformat/avformat.h>
 import "C"
 
-type SeekFlag int
+type SeekFlag int64
 
 // https://github.com/FFmpeg/FFmpeg/blob/n5.0/libavformat/avformat.h#L2277
 const (
diff --git a/software_scale_context_flag.go b/software_scale_context_flag.go
index 079b403..ec49fbc 100644
--- a/software_scale_context_flag.go
+++ b/software_scale_context_flag.go
@@ -4,7 +4,7 @@ package astiav
 //#include <libswscale/swscale.h>
 import "C"
 
-type SoftwareScaleContextFlag int
+type SoftwareScaleContextFlag int64
 
 // https://github.com/FFmpeg/FFmpeg/blob/n5.0/libswscale/swscale.h#L59
 const (
diff --git a/stream_event_flag.go b/stream_event_flag.go
index 6175df7..61bb2aa 100644
--- a/stream_event_flag.go
+++ b/stream_event_flag.go
@@ -4,7 +4,7 @@ package astiav
 //#include <libavformat/avformat.h>
 import "C"
 
-type StreamEventFlag int
+type StreamEventFlag int64
 
 // https://github.com/FFmpeg/FFmpeg/blob/n5.0/libavformat/avformat.h#L1070
 const (