在Mac OSX上安装ffmpeg && ffmpeg命令行将h264封装为mp4

ffmpeg功能强大，可以通过命令行来对音视频进行处理。为了使用其功能，我在Mac上对其进行了安装。

我的Mac OS X 系统版本：OS X Yosemite, 10.10.14

关于ffmpeg在Mac OS X上的编译，FFmpeg上有官方文档说明：https://trac.ffmpeg.org/wiki/CompilationGuide/MacOSX。该文档给出了3种方法：

  • ffmpeg through Homebrew
  • Compiling FFmpeg yourself
  • Manual install of the dependencies without Homebrew

看了这三种方法的官方说明后，我选择了第一种，因为最简单。

首先，Mac上要安装Homebrew

在终端执行命令，ruby -e “$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)”


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devtemobideMac-mini:~ sunminmin$ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

==> This script will install:

/usr/local/bin/brew

/usr/local/Library/...

/usr/local/share/man/man1/brew.1

Press RETURN to continue or any other key to abort

==> /usr/bin/sudo /bin/chmod g+rwx /Library/Caches/Homebrew

Password:

==> Downloading and installing Homebrew...

remote: Counting objects: 225571, done.

remote: Compressing objects: 100% (59354/59354), done.

remote: Total 225571 (delta 165037), reused 225482 (delta 164969)

Receiving objects: 100% (225571/225571), 51.57 MiB | 1.19 MiB/s, done.

Resolving deltas: 100% (165037/165037), done.

From https://github.com/Homebrew/homebrew

* [new branch] master -> origin/master

HEAD is now at 82d7dc4 tomcat: update 8.0.17 bottle.

==> Installation successful!

==> Next steps

Run `brew doctor` before you install anything

Run `brew help` to get started

其次，安装ffmpeg

在终端执行命令，brew install ffmpeg


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devtemobideMac-mini:~ sunminmin$ brew install ffmpeg

==> Installing dependencies for ffmpeg: x264, lame, libvo-aacenc, xvid

==> Installing ffmpeg dependency: x264

==> Downloading https://homebrew.bintray.com/bottles/x264-r2533.yosemite.bottle.

######################################################################## 100.0%

==> Pouring x264-r2533.yosemite.bottle.tar.gz

?? /usr/local/Cellar/x264/r2533: 9 files, 3.4M

==> Installing ffmpeg dependency: lame

==> Downloading https://homebrew.bintray.com/bottles/lame-3.99.5.yosemite.bottle

######################################################################## 100.0%

==> Pouring lame-3.99.5.yosemite.bottle.1.tar.gz

?? /usr/local/Cellar/lame/3.99.5: 25 files, 2.1M

==> Installing ffmpeg dependency: libvo-aacenc

==> Downloading https://homebrew.bintray.com/bottles/libvo-aacenc-0.1.3.yosemite

######################################################################## 100.0%

==> Pouring libvo-aacenc-0.1.3.yosemite.bottle.tar.gz

?? /usr/local/Cellar/libvo-aacenc/0.1.3: 15 files, 336K

==> Installing ffmpeg dependency: xvid

==> Downloading https://homebrew.bintray.com/bottles/xvid-1.3.3.yosemite.bottle.

######################################################################## 100.0%

==> Pouring xvid-1.3.3.yosemite.bottle.2.tar.gz

?? /usr/local/Cellar/xvid/1.3.3: 9 files, 1.3M

==> Installing ffmpeg

==> Downloading https://homebrew.bintray.com/bottles/ffmpeg-2.6.3.yosemite.bottle.ta

######################################################################## 100.0%

==> Pouring ffmpeg-2.6.3.yosemite.bottle.tar.gz

==> Caveats

FFmpeg has been built without libfaac for licensing reasons;

libvo-aacenc is used by default.

To install with libfaac, you can:

brew reinstall ffmpeg --with-faac

You can also use the experimental FFmpeg encoder, libfdk-aac, or

libvo_aacenc to encode AAC audio:

ffmpeg -i input.wav -c:a aac -strict experimental output.m4a

Or:

brew reinstall ffmpeg --with-fdk-aac

ffmpeg -i input.wav -c:a libfdk_aac output.m4a

==> Summary

?? /usr/local/Cellar/ffmpeg/2.6.3: 204 files, 42M

再次，查看ffmpeg info

在终端执行命令，brew info ffmpeg


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devtemobideMac-mini:~ sunminmin$ brew info ffmpeg

ffmpeg: stable 2.6.3 (bottled), HEAD

Play, record, convert, and stream audio and video

https://ffmpeg.org/

/usr/local/Cellar/ffmpeg/2.6.3 (204 files, 42M) *

Poured from bottle

From: https://github.com/Homebrew/homebrew/blob/master/Library/Formula/ffmpeg.rb

==> Dependencies

Build: pkg-config ?, texi2html ?, yasm ?

Recommended: x264 ?, lame ?, libvo-aacenc ?, xvid ?

Optional: faac ?, fontconfig ?, freetype ?, theora ?, libvorbis ?, libvpx ?, rtmpdump ?, opencore-amr ?, libass ?, openjpeg ?, speex ?, schroedinger ?, fdk-aac ?, opus ?, frei0r ?, libcaca ?, libbluray ?, libsoxr ?, libquvi ?, libvidstab ?, x265 ?, openssl ?, libssh ?, webp ?

==> Options

--with-faac

Build with faac support

--with-fdk-aac

Enable the Fraunhofer FDK AAC library

--with-ffplay

Enable FFplay media player

--with-fontconfig

Build with fontconfig support

--with-freetype

Build with freetype support

--with-frei0r

Build with frei0r support

--with-libass

Enable ASS/SSA subtitle format

--with-libbluray

Build with libbluray support

--with-libcaca

Build with libcaca support

--with-libquvi

Build with libquvi support

--with-libsoxr

Enable the soxr resample library

--with-libssh

Enable SFTP protocol via libssh

--with-libvidstab

Enable vid.stab support for video stabilization

--with-libvorbis

Build with libvorbis support

--with-libvpx

Build with libvpx support

--with-opencore-amr

Enable Opencore AMR NR/WB audio format

--with-openjpeg

Enable JPEG 2000 image format

--with-openssl

Enable SSL support

--with-opus

Build with opus support

--with-rtmpdump

Enable RTMP protocol

--with-schroedinger

Enable Dirac video format

--with-speex

Build with speex support

--with-theora

Build with theora support

--with-tools

Enable additional FFmpeg tools

--with-webp

Enable using libwebp to encode WEBP images

--with-x265

Enable x265 encoder

--without-lame

Disable MP3 encoder

--without-libvo-aacenc

Disable VisualOn AAC encoder

--without-qtkit

Disable deprecated QuickTime framework

--without-x264

Disable H.264 encoder

--without-xvid

Disable Xvid MPEG-4 video encoder

--HEAD

Install HEAD version

==> Caveats

FFmpeg has been built without libfaac for licensing reasons;

libvo-aacenc is used by default.

To install with libfaac, you can:

brew reinstall ffmpeg --with-faac

You can also use the experimental FFmpeg encoder, libfdk-aac, or

libvo_aacenc to encode AAC audio:

ffmpeg -i input.wav -c:a aac -strict experimental output.m4a

Or:

brew reinstall ffmpeg --with-fdk-aac

ffmpeg -i input.wav -c:a libfdk_aac output.m4a

经过这3步，现在就可以使用ffmpeg的强大功能了。

现在ffmpeg的版本更新很快，今年3月份发布了 FFmpeg 2.6.1，7月份发布了 FFmpeg 2.7.2，中间还有一些其它版本，比如2.7，2.7.1，这些版本我都在iOS平台上编译使用过，今年9月份，FFmpeg 的版本更新到了2.8。今年，我见证了FFmpeg更新最频繁的的时刻。

经过前面的3步，在Mac上安装了 ffmpeg 2.6.3 的版本，过段时间，homebrew上ffmpeg 的安装源就会更新，若想升级ffmpeg，就需要执行下面的第4步操作了。

最后，升级ffmpeg的版本

若想升级ffmpeg的版本，可以在终端执行命令，brew update && brew upgrade ffmpeg

实例

安装好了ffmpeg，就要试试其功能了。采用文章利用x264将iOS摄像头实时视频流编码为h264文件配套工程X264-Encode-for-iOS中的h264文件，该文件地址为2015-09-17 18:05:20.h264，使用ffmpeg 命令将其打包为 .mp4容器格式的文件

将该h264文件下载，在终端上，执行命令进入存放该文件的目录


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devtemobideMac-mini:~ sunminmin$ cd /Users/dev.temobi/Desktop/sunmmMainPrj/ZZ_Z_Github_clone

进入到该目录后，执行命令，ffmpeg -i 2015-09-17\ 18_05_20.h264 2015-09-17.mp4


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devtemobideMac-mini:ZZ_Z_Github_clone sunminmin$ ffmpeg -i 2015-09-17\ 18_05_20.h264 2015-09-17.mp4

ffmpeg version 2.6.3 Copyright (c) 2000-2015 the FFmpeg developers

built with Apple LLVM version 6.1.0 (clang-602.0.53) (based on LLVM 3.6.0svn)

configuration: --prefix=/usr/local/Cellar/ffmpeg/2.6.3 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc --enable-libxvid --enable-vda

libavutil 54. 20.100 / 54. 20.100

libavcodec 56. 26.100 / 56. 26.100

libavformat 56. 25.101 / 56. 25.101

libavdevice 56. 4.100 / 56. 4.100

libavfilter 5. 11.102 / 5. 11.102

libavresample 2. 1. 0 / 2. 1. 0

libswscale 3. 1.101 / 3. 1.101

libswresample 1. 1.100 / 1. 1.100

libpostproc 53. 3.100 / 53. 3.100

Input #0, h264, from ‘2015-09-17 18_05_20.h264‘:

Duration: N/A, bitrate: N/A

Stream #0:0: Video: h264 (Constrained Baseline), yuv420p, 480x360, 15 fps, 15 tbr, 1200k tbn, 30 tbc

[libx264 @ 0x7fada2818000] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX

[libx264 @ 0x7fada2818000] profile High, level 2.1

[libx264 @ 0x7fada2818000] 264 - core 144 r2533 c8a773e - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=15 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00

Output #0, mp4, to ‘2015-09-17.mp4‘:

Metadata:

encoder : Lavf56.25.101

Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 480x360, q=-1--1, 15 fps, 15360 tbn, 15 tbc

Metadata:

encoder : Lavc56.26.100 libx264

Stream mapping:

Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))

Press [q] to stop, [?] for help

frame= 64 fps=0.0 q=27.0 size= 60kB time=00:00:00.80 bitrate= 609.7kbits/s frame= 87 fps= 85 q=27.0 size= 187kB time=00:00:02.33 bitrate= 655.2kbits/s frame= 120 fps= 77 q=27.0 size= 366kB time=00:00:04.53 bitrate= 661.5kbits/s frame= 149 fps= 72 q=27.0 size= 444kB time=00:00:06.46 bitrate= 562.4kbits/s frame= 178 fps= 69 q=27.0 size= 508kB time=00:00:08.40 bitrate= 495.4kbits/s frame= 196 fps= 56 q=-1.0 Lsize= 651kB time=00:00:12.93 bitrate= 412.2kbits/s

video:648kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.389284%

[libx264 @ 0x7fada2818000] frame I:2 Avg QP:20.10 size: 5888

[libx264 @ 0x7fada2818000] frame P:126 Avg QP:22.22 size: 4340

[libx264 @ 0x7fada2818000] frame B:68 Avg QP:23.94 size: 1537

[libx264 @ 0x7fada2818000] consecutive B-frames: 43.9% 27.6% 6.1% 22.4%

[libx264 @ 0x7fada2818000] mb I I16..4: 31.4% 51.4% 17.2%

[libx264 @ 0x7fada2818000] mb P I16..4: 8.6% 10.2% 4.6% P16..4: 46.2% 11.9% 4.2% 0.0% 0.0% skip:14.2%

[libx264 @ 0x7fada2818000] mb B I16..4: 1.1% 0.6% 0.6% B16..8: 52.3% 4.9% 0.8% direct: 3.2% skip:36.5% L0:51.0% L1:45.1% BI: 3.9%

[libx264 @ 0x7fada2818000] 8x8 transform intra:43.2% inter:63.2%

[libx264 @ 0x7fada2818000] coded y,uvDC,uvAC intra: 42.6% 57.1% 10.4% inter: 19.2% 28.2% 0.7%

[libx264 @ 0x7fada2818000] i16 v,h,dc,p: 20% 51% 10% 19%

[libx264 @ 0x7fada2818000] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 24% 38% 22% 2% 2% 2% 4% 2% 5%

[libx264 @ 0x7fada2818000] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 21% 43% 12% 3% 3% 3% 6% 4% 5%

[libx264 @ 0x7fada2818000] i8c dc,h,v,p: 51% 32% 14% 3%

[libx264 @ 0x7fada2818000] Weighted P-Frames: Y:7.1% UV:5.6%

[libx264 @ 0x7fada2818000] ref P L0: 78.9% 10.4% 8.3% 2.3% 0.1%

[libx264 @ 0x7fada2818000] ref B L0: 93.9% 5.6% 0.5%

[libx264 @ 0x7fada2818000] ref B L1: 96.2% 3.8%

[libx264 @ 0x7fada2818000] kb/s:405.98

到此，h264文件封装为.mp4格式的过程结束。

查看2015-09-17.mp4 文件，如图

2015-09-17.mp4 文件可以使用Quick Time Player，VLC 正常播放。

坚持原创思维分享，您的支持将鼓励我继续创作！

赏

时间： 2024-12-04 10:05:43

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