From fb149dc52ea8e0fead257a7aefd32a2bd9e5e86a Mon Sep 17 00:00:00 2001
From: Karl Chen <kn007@users.noreply.github.com>
Date: Mon, 20 Mar 2017 22:15:39 +0800
Subject: [PATCH] Fix Miss AMR Header

---
 converter_beta.sh | 86 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 converter_beta.sh

diff --git a/converter_beta.sh b/converter_beta.sh
new file mode 100644
index 0000000..65d4bb4
--- /dev/null
+++ b/converter_beta.sh
@@ -0,0 +1,86 @@
+#!/bin/bash
+# File: converter_beta.sh
+# Date: March 20th, 2017
+# Time: 22:05:12 +0800
+# Author: kn007 <kn007@126.com>
+# Blog: https://kn007.net
+# Link: https://github.com/kn007/silk-v3-decoder
+# Usage: sh converter.sh silk_v3_file/input_folder output_format/output_folder flag(format)
+# Flag: not define   ----  not define, convert a file
+#       other value  ----  format, convert a folder, batch conversion support
+# Requirement: gcc ffmpeg
+
+# Colors
+RED="\e[31;1m"
+GREEN="\e[32;1m"
+YELLOW="\e[33;1m"
+WHITE="\e[37;1m"
+RESET="\e[0m"
+
+# Main
+cur_dir=$(cd `dirname $0`; pwd)
+
+if [ ! -r "$cur_dir/silk/decoder" ]; then
+	echo -e "${WHITE}[Notice]${RESET} Silk v3 Decoder is not found, compile it."
+	cd $cur_dir/silk
+	make && make decoder
+	[ ! -r "$cur_dir/silk/decoder" ]&&echo -e "${RED}[Error]${RESET} Silk v3 Decoder Compile False, Please Check Your System For GCC."&&exit
+	echo -e "${WHITE}========= Silk v3 Decoder Compile Finish =========${RESET}"
+fi
+
+cd $cur_dir
+
+while [ $3 ]; do
+	pidof /usr/bin/ffmpeg&&echo -e "${RED}[Error]${RESET} ffmpeg is occupied by another application, please check it."&&exit
+	[ ! -d "$1" ]&&echo -e "${RED}[Error]${RESET} Input folder not found, please check it."&&exit
+	TOTAL=$(ls $1|wc -l)
+	[ ! -d "$2" ]&&mkdir "$2"&&echo -e "${WHITE}[Notice]${RESET} Output folder not found, create it."
+	[ ! -d "$2" ]&&echo -e "${RED}[Error]${RESET} Output folder could not be created, please check it."&&exit
+	CURRENT=0
+	echo -e "${WHITE}========= Batch Conversion Start ==========${RESET}"
+	ls $1 | while read line; do
+		let CURRENT+=1
+		$cur_dir/silk/decoder "$1/$line" "$2/$line.pcm" > /dev/null 2>&1
+		if [ ! -f "$2/$line.pcm" ]; then
+			ffmpeg -y -i "$1/$line" "$2/${line%.*}.$3" > /dev/null 2>&1 &
+			ffmpeg_pid=$!
+			while kill -0 "$ffmpeg_pid"; do sleep 1; done > /dev/null 2>&1
+			[ -f "$2/${line%.*}.$3" ]&&echo -e "[$CURRENT/$TOTAL]${GREEN}[OK]${RESET} Convert $line to ${line%.*}.$3 success, ${YELLOW}but not a silk v3 encoded file.${RESET}"&&continue
+			sed -i '1i\\#\!AMR' "$1/$line"
+			ffmpeg -y -i "$1/$line" "$2/${line%.*}.$3" > /dev/null 2>&1 &
+			ffmpeg_pid=$!
+			while kill -0 "$ffmpeg_pid"; do sleep 1; done > /dev/null 2>&1
+			[ -f "$2/${line%.*}.$3" ]&&echo -e "[$CURRENT/$TOTAL]${YELLOW}[Warning]${RESET} Could not recognize this file, force using ffmpeg convert $line to ${line%.*}.$3 success, maybe have error.${RESET}"&&continue
+			echo -e "[$CURRENT/$TOTAL]${RED}[Error]${RESET} Convert $line false, maybe not a audio file."&&continue
+		fi
+		ffmpeg -y -f s16le -ar 24000 -ac 1 -i "$2/$line.pcm" "$2/${line%.*}.$3" > /dev/null 2>&1 &
+		ffmpeg_pid=$!
+		while kill -0 "$ffmpeg_pid"; do sleep 1; done > /dev/null 2>&1
+		rm "$2/$line.pcm"
+		[ ! -f "$2/${line%.*}.$3" ]&&echo -e "[$CURRENT/$TOTAL]${RED}[Error]${RESET} Convert $line false, maybe ffmpeg no format handler for $3."&&continue
+		echo -e "[$CURRENT/$TOTAL]${GREEN}[OK]${RESET} Convert $line To ${line%.*}.$3 Finish."
+	done
+	echo -e "${WHITE}========= Batch Conversion Finish =========${RESET}"
+	exit
+done
+
+$cur_dir/silk/decoder "$1" "$1.pcm" > /dev/null 2>&1
+if [ ! -f "$1.pcm" ]; then
+	ffmpeg -y -i "$1" "${1%.*}.$2" > /dev/null 2>&1 &
+	ffmpeg_pid=$!
+	while kill -0 "$ffmpeg_pid"; do sleep 1; done > /dev/null 2>&1
+	[ -f "${1%.*}.$2" ]&&echo -e "${GREEN}[OK]${RESET} Convert $1 to ${1%.*}.$2 success, ${YELLOW}but not a silk v3 encoded file.${RESET}"&&exit
+	sed -i '1i\\#\!AMR' "$1"
+	ffmpeg -y -i "$1" "${1%.*}.$2" > /dev/null 2>&1 &
+	ffmpeg_pid=$!
+	while kill -0 "$ffmpeg_pid"; do sleep 1; done > /dev/null 2>&1
+	[ -f "${1%.*}.$2" ]&&echo -e "${YELLOW}[Warning]${RESET} Could not recognize this file, force using ffmpeg convert $1 to ${1%.*}.$2 success, maybe have error.${RESET}"&&exit
+	echo -e "${RED}[Error]${RESET} Convert $1 false, maybe not a audio file."&&exit
+fi
+ffmpeg -y -f s16le -ar 24000 -ac 1 -i "$1.pcm" "${1%.*}.$2" > /dev/null 2>&1
+ffmpeg_pid=$!
+while kill -0 "$ffmpeg_pid"; do sleep 1; done > /dev/null 2>&1
+rm "$1.pcm"
+[ ! -f "${1%.*}.$2" ]&&echo -e "${RED}[Error]${RESET} Convert $1 false, maybe ffmpeg no format handler for $2."&&exit
+echo -e "${GREEN}[OK]${RESET} Convert $1 To ${1%.*}.$2 Finish."
+exit