diff --git a/README.md b/README.md
index 71d3555..61c639f 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,9 @@ Golang binding for FFmpeg
 
 A comprehensive binding to the ffmpeg video/audio manipulation library.
 
+Reviving this project -- if you like to contribute, please email me habtom@giorgis.io
+
+
 [![GoDoc](https://godoc.org/github.com/giorgisio/goav?status.svg)](https://godoc.org/github.com/giorgisio/goav)
 
 ## Usage
diff --git a/avcodec/avcodec.go b/avcodec/avcodec.go
index 65024a6..cb58169 100644
--- a/avcodec/avcodec.go
+++ b/avcodec/avcodec.go
@@ -60,12 +60,12 @@ func (c *Codec) AvCodecGetMaxLowres() int {
 	return int(C.av_codec_get_max_lowres((*C.struct_AVCodec)(c)))
 }
 
-//If c is NULL, returns the first registered codec, if c is non-NULL,
+// AvCodecNext If c is NULL, returns the first registered codec, if c is non-NULL,
 func (c *Codec) AvCodecNext() *Codec {
 	return (*Codec)(C.av_codec_next((*C.struct_AVCodec)(c)))
 }
 
-//Register the codec codec and initialize libavcodec.
+// Register the codec codec and initialize libavcodec.
 func (c *Codec) AvcodecRegister() {
 	C.avcodec_register((*C.struct_AVCodec)(c))
 }
diff --git a/avcodec/avpicture.go b/avcodec/avpicture.go
index ff6a1e5..a3273ee 100644
--- a/avcodec/avpicture.go
+++ b/avcodec/avpicture.go
@@ -1,6 +1,5 @@
 // Use of this source code is governed by a MIT license that can be found in the LICENSE file.
 // Giorgis (habtom@giorgis.io)
-
 package avcodec
 
 //#cgo pkg-config: libavcodec
@@ -10,41 +9,42 @@ import (
 	"unsafe"
 )
 
-//Setup the picture fields based on the specified image parameters and the provided image data buffer.
+// AvpictureFill - Setup the picture fields based on the specified image parameters and the provided image data buffer.
 func (p *Picture) AvpictureFill(pt *uint8, pf PixelFormat, w, h int) int {
 	return int(C.avpicture_fill((*C.struct_AVPicture)(p), (*C.uint8_t)(pt), (C.enum_AVPixelFormat)(pf), C.int(w), C.int(h)))
 }
 
-//Copy pixel data from an Picture into a buffer.
+// AvpictureLayout copies pixel data from an Picture into a buffer.
 func (p *Picture) AvpictureLayout(pf PixelFormat, w, h int, d *string, ds int) int {
 	return int(C.avpicture_layout((*C.struct_AVPicture)(p), (C.enum_AVPixelFormat)(pf), C.int(w), C.int(h), (*C.uchar)(unsafe.Pointer(d)), C.int(ds)))
 }
 
-//Copy image src to dst.
+// AvPictureCopy -Copy image src to dst.
 func (p *Picture) AvPictureCopy(d *Picture, pf PixelFormat, w, h int) {
 	C.av_picture_copy((*C.struct_AVPicture)(d), (*C.struct_AVPicture)(p), (C.enum_AVPixelFormat)(pf), C.int(w), C.int(h))
 }
 
-//Crop image top and left side.
+// AvPictureCrop - Crop image top and left side.
 func (p *Picture) AvPictureCrop(d *Picture, pf PixelFormat, t, l int) int {
 	return int(C.av_picture_crop((*C.struct_AVPicture)(d), (*C.struct_AVPicture)(p), (C.enum_AVPixelFormat)(pf), C.int(t), C.int(l)))
 }
 
-//Pad image.
+// AvPicturePad - Pad image.
 func (p *Picture) AvPicturePad(d *Picture, h, w int, pf PixelFormat, t, b, l, r int, c *int) int {
 	return int(C.av_picture_pad((*C.struct_AVPicture)(d), (*C.struct_AVPicture)(p), (C.int)(h), (C.int)(w), (C.enum_AVPixelFormat)(pf), (C.int)(t), (C.int)(b), (C.int)(l), (C.int)(r), (*C.int)(unsafe.Pointer(c))))
 }
 
-//Free a picture previously allocated by avpicture_alloc(). Allocate memory for the pixels of a picture and setup the Picture fields for it.
+// AvpictureAlloc - Free a picture previously allocated by avpicture_alloc(). Allocate memory for the pixels of a picture and setup the Picture fields for it.
 func (p *Picture) AvpictureAlloc(t PixelFormat, w, h int) int {
 	return int(C.avpicture_alloc((*C.struct_AVPicture)(p), (C.enum_AVPixelFormat)(t), C.int(w), C.int(h)))
 }
 
+// AvpictureFree - Free
 func (p *Picture) AvpictureFree() {
 	C.avpicture_free((*C.struct_AVPicture)(p))
 }
 
-//Calculate the size in bytes that a picture of the given width and height would occupy if stored in the given picture format.
+// AvpictureGetSize - Calculate the size in bytes that a picture of the given width and height would occupy if stored in the given picture format.
 func AvpictureGetSize(pf PixelFormat, w, h int) int {
 	return int(C.avpicture_get_size((C.enum_AVPixelFormat)(pf), C.int(w), C.int(h)))
 }