RTMPDumpによるNHKラジオ放送の録音（現状メモ）
October 29, 2011 – 12:31 pm多少前になってしまったが、9月1日からNHKラジオもインターネット経由で楽しめるようになった。NHKによるサービスも民放の場合（radiko)と同様にflashで配信されている。従って、基本的には、RTMPDumpにより録音することができる。
NHKラジオ放送の録音について、私の利用している範囲で、現状をメモしておいた。
NHKのラジオ番組の録音： NHKのラジオ番組の録音に必要な情報をまとめるとつぎのようになる：
- RTMPDump v.2.4（現状の最新版）が必要
- NHKラジオ録音に必要な諸パラメータ：
- NHK第一放送
rtmp: rtmpe://netradio-r1-flash.nhk.jp playpath: NetRadio_R1_flash@63346 swfUrl: http://www3.nhk.or.jp/netradio/files/swf/rtmpe.swf - NHK第二放送
rtmp: rtmpe://netradio-r2-flash.nhk.jp playpath: NetRadio_R2_flash@63342 swfUrl: http://www3.nhk.or.jp/netradio/files/swf/rtmpe.swf - NHK FM
rtmp: rtmpe://netradio-fm-flash.nhk.jp playpath: NetRadio_FM_flash@63343 swfUrl: http://www3.nhk.or.jp/netradio/files/swf/rtmpe.swf
参考にしたサイト：
https://gist.github.com/1185755
RTMPDumpの最新版( v.2.4 ) は、そのダウンロードサイトから取得することができる。
現状では、この最新版はソースのみの提供であり、バイナリは自らコンパイルしなければならない。
ソースの最新版のダウンロードは、次からおこなうことができる。
git clone git://git.ffmpeg.org/rtmpdump
因みに、Git（ギット）は、「プログラムなどのソースコード管理を行う分散型バージョン管理システム」である。
RTMPdump v.2.4を動作させるために行った一連の作業について、以下、記述する。なお、以下のインストール作業では、RTMPdmpのパッケージを /opt 配下に展開している。なお、OSは Scientific Linux 6.1である。
git の yum install:
[root@yamasserver01 work]# yum install git\* Loaded plugins: refresh-packagekit Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package git.x86_64 0:1.7.1-2.el6_0.1 will be installed --> Processing Dependency: perl-Git = 1.7.1-2.el6_0.1 for package: git-1.7.1-2.el6_0.1.x86_64 --> Processing Dependency: perl(Git) for package: git-1.7.1-2.el6_0.1.x86_64 --> Processing Dependency: perl(Error) for package: git-1.7.1-2.el6_0.1.x86_64 ---> Package git-all.noarch 0:1.7.1-2.el6_0.1 will be installed --> Processing Dependency: emacs-git = 1.7.1-2.el6_0.1 for package: git-all-1.7.1-2.el6_0.1.noarch ---> Package git-cvs.noarch 0:1.7.1-2.el6_0.1 will be installed --> Processing Dependency: cvs for package: git-cvs-1.7.1-2.el6_0.1.noarch --> Processing Dependency: cvsps for package: git-cvs-1.7.1-2.el6_0.1.noarch ---> Package git-daemon.x86_64 0:1.7.1-2.el6_0.1 will be installed --> Processing Dependency: xinetd for package: git-daemon-1.7.1-2.el6_0.1.x86_64 ---> Package git-email.noarch 0:1.7.1-2.el6_0.1 will be installed --> Processing Dependency: perl(Authen::SASL) for package: git-email-1.7.1-2.el6_0.1.noarch --> Processing Dependency: perl(Net::SMTP::SSL) for package: git-email-1.7.1-2.el6_0.1.noarch ---> Package git-gui.noarch 0:1.7.1-2.el6_0.1 will be installed --> Processing Dependency: tk >= 8.4 for package: git-gui-1.7.1-2.el6_0.1.noarch ---> Package git-svn.noarch 0:1.7.1-2.el6_0.1 will be installed --> Processing Dependency: perl(Term::ReadKey) for package: git-svn-1.7.1-2.el6_0.1.noarch --> Processing Dependency: perl(SVN::Core) for package: git-svn-1.7.1-2.el6_0.1.noarch --> Processing Dependency: subversion for package: git-svn-1.7.1-2.el6_0.1.noarch ---> Package gitk.noarch 0:1.7.1-2.el6_0.1 will be installed ---> Package gitweb.noarch 0:1.7.1-2.el6_0.1 will be installed --> Processing Dependency: perl(CGI) for package: gitweb-1.7.1-2.el6_0.1.noarch --> Processing Dependency: perl(CGI::Util) for package: gitweb-1.7.1-2.el6_0.1.noarch --> Processing Dependency: perl(CGI::Carp) for package: gitweb-1.7.1-2.el6_0.1.noarch --> Running transaction check ---> Package cvs.x86_64 0:1.11.23-11.el6_0.1 will be installed ---> Package cvsps.x86_64 0:2.2-0.6.b1.el6 will be installed ---> Package emacs-git.noarch 0:1.7.1-2.el6_0.1 will be installed --> Processing Dependency: emacs(bin) >= 23.1 for package: emacs-git-1.7.1-2.el6_0.1.noarch ---> Package perl-Authen-SASL.noarch 0:2.13-2.el6 will be installed --> Processing Dependency: perl(Digest::HMAC_MD5) for package: perl-Authen-SASL-2.13-2.el6.noarch --> Processing Dependency: perl(GSSAPI) for package: perl-Authen-SASL-2.13-2.el6.noarch ---> Package perl-CGI.x86_64 0:3.51-119.el6 will be installed ---> Package perl-Error.noarch 1:0.17015-4.el6 will be installed ---> Package perl-Git.noarch 0:1.7.1-2.el6_0.1 will be installed ---> Package perl-Net-SMTP-SSL.noarch 0:1.01-4.el6 will be installed --> Processing Dependency: perl(IO::Socket::SSL) for package: perl-Net-SMTP-SSL-1.01-4.el6.noarch ---> Package perl-TermReadKey.x86_64 0:2.30-13.el6 will be installed ---> Package subversion.x86_64 0:1.6.11-2.el6_1.4 will be installed --> Processing Dependency: perl(URI) >= 1.17 for package: subversion-1.6.11-2.el6_1.4.x86_64 --> Processing Dependency: libneon.so.27()(64bit) for package: subversion-1.6.11-2.el6_1.4.x86_64 ---> Package subversion-perl.x86_64 0:1.6.11-2.el6_1.4 will be installed ---> Package tk.x86_64 1:8.5.7-5.el6 will be installed --> Processing Dependency: tcl = 1:8.5.7 for package: 1:tk-8.5.7-5.el6.x86_64 --> Processing Dependency: libtcl8.5.so()(64bit) for package: 1:tk-8.5.7-5.el6.x86_64 ---> Package xinetd.x86_64 2:2.3.14-31.el6 will be installed --> Running transaction check ---> Package emacs-nox.x86_64 1:23.1-21.el6 will be installed --> Processing Dependency: emacs-common = 1:23.1-21.el6 for package: 1:emacs-nox-23.1-21.el6.x86_64 ---> Package neon.x86_64 0:0.29.3-1.2.el6 will be installed --> Processing Dependency: libpakchois.so.0()(64bit) for package: neon-0.29.3-1.2.el6.x86_64 ---> Package perl-Digest-HMAC.noarch 0:1.01-22.el6 will be installed --> Processing Dependency: perl(Digest::SHA1) for package: perl-Digest-HMAC-1.01-22.el6.noarch ---> Package perl-GSSAPI.x86_64 0:0.26-5.el6 will be installed ---> Package perl-IO-Socket-SSL.noarch 0:1.31-2.el6 will be installed --> Processing Dependency: perl(Net::SSLeay) >= 1.21 for package: perl-IO-Socket-SSL-1.31-2.el6.noarch --> Processing Dependency: perl(Net::LibIDN) for package: perl-IO-Socket-SSL-1.31-2.el6.noarch ---> Package perl-URI.noarch 0:1.40-2.el6 will be installed ---> Package tcl.x86_64 1:8.5.7-6.el6 will be installed --> Running transaction check ---> Package emacs-common.x86_64 1:23.1-21.el6 will be installed ---> Package pakchois.x86_64 0:0.4-3.2.el6 will be installed ---> Package perl-Digest-SHA1.x86_64 0:2.12-2.el6 will be installed ---> Package perl-Net-LibIDN.x86_64 0:0.12-3.el6 will be installed ---> Package perl-Net-SSLeay.x86_64 0:1.35-9.el6 will be installed --> Finished Dependency Resolution Dependencies Resolved ================================================================================================ Package Arch Version Repository Size ================================================================================================ Installing: git x86_64 1.7.1-2.el6_0.1 sl 4.6 M git-all noarch 1.7.1-2.el6_0.1 sl 15 k git-cvs noarch 1.7.1-2.el6_0.1 sl 83 k git-daemon x86_64 1.7.1-2.el6_0.1 sl 248 k git-email noarch 1.7.1-2.el6_0.1 sl 40 k git-gui noarch 1.7.1-2.el6_0.1 sl 215 k git-svn noarch 1.7.1-2.el6_0.1 sl 94 k gitk noarch 1.7.1-2.el6_0.1 sl 131 k gitweb noarch 1.7.1-2.el6_0.1 sl 86 k Installing for dependencies: cvs x86_64 1.11.23-11.el6_0.1 sl 712 k cvsps x86_64 2.2-0.6.b1.el6 sl 55 k emacs-common x86_64 1:23.1-21.el6 sl 18 M emacs-git noarch 1.7.1-2.el6_0.1 sl 39 k emacs-nox x86_64 1:23.1-21.el6 sl 1.9 M neon x86_64 0.29.3-1.2.el6 sl 118 k pakchois x86_64 0.4-3.2.el6 sl 20 k perl-Authen-SASL noarch 2.13-2.el6 sl 50 k perl-CGI x86_64 3.51-119.el6 sl 205 k perl-Digest-HMAC noarch 1.01-22.el6 sl 21 k perl-Digest-SHA1 x86_64 2.12-2.el6 sl 48 k perl-Error noarch 1:0.17015-4.el6 sl 28 k perl-GSSAPI x86_64 0.26-5.el6 sl 63 k perl-Git noarch 1.7.1-2.el6_0.1 sl 27 k perl-IO-Socket-SSL noarch 1.31-2.el6 sl 68 k perl-Net-LibIDN x86_64 0.12-3.el6 sl 34 k perl-Net-SMTP-SSL noarch 1.01-4.el6 sl 7.1 k perl-Net-SSLeay x86_64 1.35-9.el6 sl 172 k perl-TermReadKey x86_64 2.30-13.el6 sl 30 k perl-URI noarch 1.40-2.el6 sl 116 k subversion x86_64 1.6.11-2.el6_1.4 sl-security 2.3 M subversion-perl x86_64 1.6.11-2.el6_1.4 sl-security 795 k tcl x86_64 1:8.5.7-6.el6 sl 1.9 M tk x86_64 1:8.5.7-5.el6 sl 1.4 M xinetd x86_64 2:2.3.14-31.el6 sl 119 k Transaction Summary ================================================================================================ Install 34 Package(s) Total download size: 34 M Installed size: 112 M Is this ok [y/N]: y Downloading Packages: (1/34): cvs-1.11.23-11.el6_0.1.x86_64.rpm | 712 kB 00:02 (2/34): cvsps-2.2-0.6.b1.el6.x86_64.rpm | 55 kB 00:00 (3/34): emacs-common-23.1-21.el6.x86_64.rpm | 18 MB 00:19 (4/34): emacs-git-1.7.1-2.el6_0.1.noarch.rpm | 39 kB 00:00 (5/34): emacs-nox-23.1-21.el6.x86_64.rpm | 1.9 MB 00:03 (6/34): git-1.7.1-2.el6_0.1.x86_64.rpm | 4.6 MB 00:08 (7/34): git-all-1.7.1-2.el6_0.1.noarch.rpm | 15 kB 00:00 (8/34): git-cvs-1.7.1-2.el6_0.1.noarch.rpm | 83 kB 00:01 (9/34): git-daemon-1.7.1-2.el6_0.1.x86_64.rpm | 248 kB 00:01 (10/34): git-email-1.7.1-2.el6_0.1.noarch.rpm | 40 kB 00:01 (11/34): git-gui-1.7.1-2.el6_0.1.noarch.rpm | 215 kB 00:01 (12/34): git-svn-1.7.1-2.el6_0.1.noarch.rpm | 94 kB 00:00 (13/34): gitk-1.7.1-2.el6_0.1.noarch.rpm | 131 kB 00:01 (14/34): gitweb-1.7.1-2.el6_0.1.noarch.rpm | 86 kB 00:00 (15/34): neon-0.29.3-1.2.el6.x86_64.rpm | 118 kB 00:00 (16/34): pakchois-0.4-3.2.el6.x86_64.rpm | 20 kB 00:00 (17/34): perl-Authen-SASL-2.13-2.el6.noarch.rpm | 50 kB 00:01 (18/34): perl-CGI-3.51-119.el6.x86_64.rpm | 205 kB 00:01 (19/34): perl-Digest-HMAC-1.01-22.el6.noarch.rpm | 21 kB 00:00 (20/34): perl-Digest-SHA1-2.12-2.el6.x86_64.rpm | 48 kB 00:00 (21/34): perl-Error-0.17015-4.el6.noarch.rpm | 28 kB 00:00 (22/34): perl-GSSAPI-0.26-5.el6.x86_64.rpm | 63 kB 00:00 (23/34): perl-Git-1.7.1-2.el6_0.1.noarch.rpm | 27 kB 00:00 (24/34): perl-IO-Socket-SSL-1.31-2.el6.noarch.rpm | 68 kB 00:00 (25/34): perl-Net-LibIDN-0.12-3.el6.x86_64.rpm | 34 kB 00:00 (26/34): perl-Net-SMTP-SSL-1.01-4.el6.noarch.rpm | 7.1 kB 00:00 (27/34): perl-Net-SSLeay-1.35-9.el6.x86_64.rpm | 172 kB 00:00 (28/34): perl-TermReadKey-2.30-13.el6.x86_64.rpm | 30 kB 00:00 (29/34): perl-URI-1.40-2.el6.noarch.rpm | 116 kB 00:01 (30/34): subversion-1.6.11-2.el6_1.4.x86_64.rpm | 2.3 MB 00:07 (31/34): subversion-perl-1.6.11-2.el6_1.4.x86_64.rpm | 795 kB 00:01 (32/34): tcl-8.5.7-6.el6.x86_64.rpm | 1.9 MB 00:03 (33/34): tk-8.5.7-5.el6.x86_64.rpm | 1.4 MB 00:02 (34/34): xinetd-2.3.14-31.el6.x86_64.rpm | 119 kB 00:00 ------------------------------------------------------------------------------------------------ Total 470 kB/s | 34 MB 01:13 Running rpm_check_debug Running Transaction Test Transaction Test Succeeded Running Transaction Installing : 1:perl-Error-0.17015-4.el6.noarch 1/34 Installing : git-1.7.1-2.el6_0.1.x86_64 2/34 Installing : perl-Git-1.7.1-2.el6_0.1.noarch 3/34 Installing : cvs-1.11.23-11.el6_0.1.x86_64 4/34 Installing : cvsps-2.2-0.6.b1.el6.x86_64 5/34 Installing : git-cvs-1.7.1-2.el6_0.1.noarch 6/34 Installing : perl-Net-SSLeay-1.35-9.el6.x86_64 7/34 Installing : perl-CGI-3.51-119.el6.x86_64 8/34 Installing : 2:xinetd-2.3.14-31.el6.x86_64 9/34 Installing : perl-TermReadKey-2.30-13.el6.x86_64 10/34 Installing : perl-URI-1.40-2.el6.noarch 11/34 Installing : perl-Digest-SHA1-2.12-2.el6.x86_64 12/34 Installing : perl-Digest-HMAC-1.01-22.el6.noarch 13/34 Installing : perl-GSSAPI-0.26-5.el6.x86_64 14/34 Installing : perl-Authen-SASL-2.13-2.el6.noarch 15/34 Installing : perl-Net-LibIDN-0.12-3.el6.x86_64 16/34 Installing : perl-IO-Socket-SSL-1.31-2.el6.noarch 17/34 Installing : perl-Net-SMTP-SSL-1.01-4.el6.noarch 18/34 Installing : git-email-1.7.1-2.el6_0.1.noarch 19/34 Installing : 1:tcl-8.5.7-6.el6.x86_64 20/34 Installing : 1:tk-8.5.7-5.el6.x86_64 21/34 Installing : gitk-1.7.1-2.el6_0.1.noarch 22/34 Installing : git-gui-1.7.1-2.el6_0.1.noarch 23/34 Installing : 1:emacs-common-23.1-21.el6.x86_64 24/34 Installing : 1:emacs-nox-23.1-21.el6.x86_64 25/34 Installing : emacs-git-1.7.1-2.el6_0.1.noarch 26/34 Installing : pakchois-0.4-3.2.el6.x86_64 27/34 Installing : neon-0.29.3-1.2.el6.x86_64 28/34 Installing : subversion-1.6.11-2.el6_1.4.x86_64 29/34 Installing : subversion-perl-1.6.11-2.el6_1.4.x86_64 30/34 Installing : git-svn-1.7.1-2.el6_0.1.noarch 31/34 Installing : git-all-1.7.1-2.el6_0.1.noarch 32/34 Installing : git-daemon-1.7.1-2.el6_0.1.x86_64 33/34 Installing : gitweb-1.7.1-2.el6_0.1.noarch 34/34 Installed: git.x86_64 0:1.7.1-2.el6_0.1 git-all.noarch 0:1.7.1-2.el6_0.1 git-cvs.noarch 0:1.7.1-2.el6_0.1 git-daemon.x86_64 0:1.7.1-2.el6_0.1 git-email.noarch 0:1.7.1-2.el6_0.1 git-gui.noarch 0:1.7.1-2.el6_0.1 git-svn.noarch 0:1.7.1-2.el6_0.1 gitk.noarch 0:1.7.1-2.el6_0.1 gitweb.noarch 0:1.7.1-2.el6_0.1 Dependency Installed: cvs.x86_64 0:1.11.23-11.el6_0.1 cvsps.x86_64 0:2.2-0.6.b1.el6 emacs-common.x86_64 1:23.1-21.el6 emacs-git.noarch 0:1.7.1-2.el6_0.1 emacs-nox.x86_64 1:23.1-21.el6 neon.x86_64 0:0.29.3-1.2.el6 pakchois.x86_64 0:0.4-3.2.el6 perl-Authen-SASL.noarch 0:2.13-2.el6 perl-CGI.x86_64 0:3.51-119.el6 perl-Digest-HMAC.noarch 0:1.01-22.el6 perl-Digest-SHA1.x86_64 0:2.12-2.el6 perl-Error.noarch 1:0.17015-4.el6 perl-GSSAPI.x86_64 0:0.26-5.el6 perl-Git.noarch 0:1.7.1-2.el6_0.1 perl-IO-Socket-SSL.noarch 0:1.31-2.el6 perl-Net-LibIDN.x86_64 0:0.12-3.el6 perl-Net-SMTP-SSL.noarch 0:1.01-4.el6 perl-Net-SSLeay.x86_64 0:1.35-9.el6 perl-TermReadKey.x86_64 0:2.30-13.el6 perl-URI.noarch 0:1.40-2.el6 subversion.x86_64 0:1.6.11-2.el6_1.4 subversion-perl.x86_64 0:1.6.11-2.el6_1.4 tcl.x86_64 1:8.5.7-6.el6 tk.x86_64 1:8.5.7-5.el6 xinetd.x86_64 2:2.3.14-31.el6 Complete!
RTMPdumpソースコードをダウンロード:
[root@yamasserver01 opt]# git clone git://git.ffmpeg.org/rtmpdump Initialized empty Git repository in /opt/rtmpdump/.git/ remote: Counting objects: 2282, done. remote: Compressing objects: 100% (643/643), done. remote: Total 2282 (delta 1720), reused 2160 (delta 1638) Receiving objects: 100% (2282/2282), 737.94 KiB | 175 KiB/s, done. Resolving deltas: 100% (1720/1720), done.
コンパイル（make)
[root@yamasserver01 opt]# cd rtmpdump [root@yamasserver01 rtmpdump]# ls ChangeLog librtmp README rtmpdump.1.html rtmpgw.8 rtmpgw.c rtmpsuck.c thread.h COPYING Makefile rtmpdump.1 rtmpdump.c rtmpgw.8.html rtmpsrv.c thread.c [root@yamasserver01 rtmpdump]# make SYS=posix make[1]: Entering directory `/opt/rtmpdump/librtmp' gcc -Wall -DRTMPDUMP_VERSION=\"v2.4\" -DUSE_OPENSSL -O2 -fPIC -c -o rtmp.o rtmp.c gcc -Wall -DRTMPDUMP_VERSION=\"v2.4\" -DUSE_OPENSSL -O2 -fPIC -c -o log.o log.c gcc -Wall -DRTMPDUMP_VERSION=\"v2.4\" -DUSE_OPENSSL -O2 -fPIC -c -o amf.o amf.c gcc -Wall -DRTMPDUMP_VERSION=\"v2.4\" -DUSE_OPENSSL -O2 -fPIC -c -o hashswf.o hashswf.c gcc -Wall -DRTMPDUMP_VERSION=\"v2.4\" -DUSE_OPENSSL -O2 -fPIC -c -o parseurl.o parseurl.c ar rs librtmp.a rtmp.o log.o amf.o hashswf.o parseurl.o ar: creating librtmp.a gcc -shared -Wl,-soname,librtmp.so.0 -o librtmp.so.0 rtmp.o log.o amf.o hashswf.o parseurl.o -lssl -lcrypto -lz ln -sf librtmp.so.0 librtmp.so make[1]: Leaving directory `/opt/rtmpdump/librtmp' gcc -Wall -DRTMPDUMP_VERSION=\"v2.4\" -O2 -c -o rtmpdump.o rtmpdump.c gcc -Wall -o rtmpdump rtmpdump.o -Llibrtmp -lrtmp -lssl -lcrypto -lz gcc -Wall -DRTMPDUMP_VERSION=\"v2.4\" -O2 -c -o rtmpgw.o rtmpgw.c gcc -Wall -DRTMPDUMP_VERSION=\"v2.4\" -O2 -c -o thread.o thread.c gcc -Wall -o rtmpgw rtmpgw.o thread.o -lpthread -Llibrtmp -lrtmp -lssl -lcrypto -lz gcc -Wall -DRTMPDUMP_VERSION=\"v2.4\" -O2 -c -o rtmpsrv.o rtmpsrv.c gcc -Wall -o rtmpsrv rtmpsrv.o thread.o -lpthread -Llibrtmp -lrtmp -lssl -lcrypto -lz gcc -Wall -DRTMPDUMP_VERSION=\"v2.4\" -O2 -c -o rtmpsuck.o rtmpsuck.c gcc -Wall -o rtmpsuck rtmpsuck.o thread.o -lpthread -Llibrtmp -lrtmp -lssl -lcrypto -lz
ここで、コンパイル結果を確認し、rtmpdumpを実行してみると
[root@yamasserver01 rtmpdump]# ls ChangeLog README rtmpdump.c rtmpgw.8.html rtmpsrv.c rtmpsuck.o COPYING rtmpdump rtmpdump.o rtmpgw.c rtmpsrv.o thread.c librtmp rtmpdump.1 rtmpgw rtmpgw.o rtmpsuck thread.h Makefile rtmpdump.1.html rtmpgw.8 rtmpsrv rtmpsuck.c thread.o [root@yamasserver01 rtmpdump]# ./rtmpdump ./rtmpdump: error while loading shared libraries: librtmp.so.0: cannot open shared object file: No such file or directory
librtmp.so.0 が共有ライブラリとして登録されてないため、エラーになっている。以下の要領で、これを共有ライブラリに登録
まず、/etc/ld.so.conf を以下のように修正。
/etc/ld.so.conf: include ld.so.conf.d/*.conf /opt/rtmpdump/librtmp <=== 追加
共有ライブラリをエフェクティブにする。
[root@yamasserver01 rtmpdump]# ldconfig
NHK第一放送を試しに録音してみる：
[root@yamasserver01 rtmpdump]# ./rtmpdump --rtmp "rtmpe://netradio-r1-flash.nhk.jp" \ > --playpath 'NetRadio_R1_flash@63346' \ > --app "live" \ > -W http://www3.nhk.or.jp/netradio/files/swf/rtmpe.swf \ > --live \ > -o r1.m4a RTMPDump v2.4 (c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL WARNING: No application or playpath in URL! Connecting ... WARNING: HandShake: Type mismatch: client sent 6, server answered 9 INFO: Connected... Starting Live Stream INFO: Metadata: INFO: audiodatarate 48.00 INFO: audiocodecid mp4a 79.040 kB / 12.59 sec
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