435 lines
19 KiB
HTML
435 lines
19 KiB
HTML
<!DOCTYPE html>
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<html>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<title>Platform Specific Information</title>
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<meta name="description" content="Platform Specific Information">
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<meta name="keywords" content="Platform Specific Information">
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<meta name="resource-type" content="document">
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<meta name="distribution" content="global">
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<link href="#SEC_Contents" rel="contents" title="Table of Contents">
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<body lang="en">
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<div class="top-level-extent" id="SEC_Top">
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<div class="element-contents" id="SEC_Contents">
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<h2 class="contents-heading">Table of Contents</h2>
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<div class="contents">
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<ul class="toc-numbered-mark">
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<li><a id="toc-Unix_002dlike" href="#Unix_002dlike">1 Unix-like</a>
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<ul class="toc-numbered-mark">
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<li><a id="toc-Advanced-linking-configuration" href="#Advanced-linking-configuration">1.1 Advanced linking configuration</a></li>
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<li><a id="toc-BSD" href="#BSD">1.2 BSD</a></li>
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<li><a id="toc-_0028Open_0029Solaris" href="#g_t_0028Open_0029Solaris">1.3 (Open)Solaris</a></li>
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<li><a id="toc-Darwin-_0028Mac-OS-X_002c-iPhone_0029" href="#Darwin-_0028Mac-OS-X_002c-iPhone_0029">1.4 Darwin (Mac OS X, iPhone)</a></li>
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</ul></li>
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<li><a id="toc-DOS" href="#DOS">2 DOS</a></li>
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<li><a id="toc-OS_002f2" href="#OS_002f2">3 OS/2</a></li>
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<li><a id="toc-Windows" href="#Windows">4 Windows</a>
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<ul class="toc-numbered-mark">
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<li><a id="toc-Native-Windows-compilation-using-MinGW-or-MinGW_002dw64" href="#Native-Windows-compilation-using-MinGW-or-MinGW_002dw64">4.1 Native Windows compilation using MinGW or MinGW-w64</a>
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<ul class="toc-numbered-mark">
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<li><a id="toc-Native-Windows-compilation-using-MSYS2" href="#Native-Windows-compilation-using-MSYS2">4.1.1 Native Windows compilation using MSYS2</a></li>
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</ul></li>
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<li><a id="toc-Microsoft-Visual-C_002b_002b-or-Intel-C_002b_002b-Compiler-for-Windows" href="#Microsoft-Visual-C_002b_002b-or-Intel-C_002b_002b-Compiler-for-Windows">4.2 Microsoft Visual C++ or Intel C++ Compiler for Windows</a>
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<ul class="toc-numbered-mark">
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<li><a id="toc-Linking-to-FFmpeg-with-Microsoft-Visual-C_002b_002b" href="#Linking-to-FFmpeg-with-Microsoft-Visual-C_002b_002b">4.2.1 Linking to FFmpeg with Microsoft Visual C++</a></li>
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</ul></li>
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<li><a id="toc-Cross-compilation-for-Windows-with-Linux-1" href="#Cross-compilation-for-Windows-with-Linux-1">4.3 Cross compilation for Windows with Linux</a></li>
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<li><a id="toc-Compilation-under-Cygwin" href="#Compilation-under-Cygwin">4.4 Compilation under Cygwin</a></li>
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<li><a id="toc-Crosscompilation-for-Windows-under-Cygwin" href="#Crosscompilation-for-Windows-under-Cygwin">4.5 Crosscompilation for Windows under Cygwin</a></li>
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</ul></li>
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</ul>
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</div>
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</div>
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<div class="chapter-level-extent" id="Unix_002dlike">
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<h2 class="chapter">1 Unix-like</h2>
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<p>Some parts of FFmpeg cannot be built with version 2.15 of the GNU
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assembler which is still provided by a few AMD64 distributions. To
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make sure your compiler really uses the required version of gas
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after a binutils upgrade, run:
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</p>
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<div class="example">
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<pre class="example-preformatted">$(gcc -print-prog-name=as) --version
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</pre></div>
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<p>If not, then you should install a different compiler that has no
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hard-coded path to gas. In the worst case pass <code class="code">--disable-asm</code>
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to configure.
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</p>
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<ul class="mini-toc">
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<li><a href="#Advanced-linking-configuration" accesskey="1">Advanced linking configuration</a></li>
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<li><a href="#BSD" accesskey="2">BSD</a></li>
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<li><a href="#g_t_0028Open_0029Solaris" accesskey="3">(Open)Solaris</a></li>
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<li><a href="#Darwin-_0028Mac-OS-X_002c-iPhone_0029" accesskey="4">Darwin (Mac OS X, iPhone)</a></li>
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</ul>
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<div class="section-level-extent" id="Advanced-linking-configuration">
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<h3 class="section">1.1 Advanced linking configuration</h3>
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<p>If you compiled FFmpeg libraries statically and you want to use them to
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build your own shared library, you may need to force PIC support (with
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<code class="code">--enable-pic</code> during FFmpeg configure) and add the following option
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to your project LDFLAGS:
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</p>
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<div class="example">
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<pre class="example-preformatted">-Wl,-Bsymbolic
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</pre></div>
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<p>If your target platform requires position independent binaries, you should
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pass the correct linking flag (e.g. <code class="code">-pie</code>) to <code class="code">--extra-ldexeflags</code>.
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</p>
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</div>
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<div class="section-level-extent" id="BSD">
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<h3 class="section">1.2 BSD</h3>
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<p>BSD make will not build FFmpeg, you need to install and use GNU Make
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(<code class="command">gmake</code>).
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</p>
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</div>
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<div class="section-level-extent" id="g_t_0028Open_0029Solaris">
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<h3 class="section">1.3 (Open)Solaris</h3>
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<p>GNU Make is required to build FFmpeg, so you have to invoke (<code class="command">gmake</code>),
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standard Solaris Make will not work. When building with a non-c99 front-end
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(gcc, generic suncc) add either <code class="code">--extra-libs=/usr/lib/values-xpg6.o</code>
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or <code class="code">--extra-libs=/usr/lib/64/values-xpg6.o</code> to the configure options
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since the libc is not c99-compliant by default. The probes performed by
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configure may raise an exception leading to the death of configure itself
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due to a bug in the system shell. Simply invoke a different shell such as
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bash directly to work around this:
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</p>
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<div class="example">
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<pre class="example-preformatted">bash ./configure
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</pre></div>
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<a class="anchor" id="Darwin"></a></div>
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<div class="section-level-extent" id="Darwin-_0028Mac-OS-X_002c-iPhone_0029">
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<h3 class="section">1.4 Darwin (Mac OS X, iPhone)</h3>
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<p>The toolchain provided with Xcode is sufficient to build the basic
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unaccelerated code.
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</p>
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<p>Mac OS X on PowerPC or ARM (iPhone) requires a preprocessor from
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<a class="url" href="https://github.com/FFmpeg/gas-preprocessor">https://github.com/FFmpeg/gas-preprocessor</a> or
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<a class="url" href="https://github.com/yuvi/gas-preprocessor">https://github.com/yuvi/gas-preprocessor</a>(currently outdated) to build the optimized
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assembly functions. Put the Perl script somewhere
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in your PATH, FFmpeg’s configure will pick it up automatically.
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</p>
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<p>Mac OS X on amd64 and x86 requires <code class="command">nasm</code> to build most of the
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optimized assembly functions. <a class="uref" href="http://www.finkproject.org/">Fink</a>,
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<a class="uref" href="https://wiki.gentoo.org/wiki/Project:Prefix">Gentoo Prefix</a>,
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<a class="uref" href="https://mxcl.github.com/homebrew/">Homebrew</a>
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or <a class="uref" href="http://www.macports.org">MacPorts</a> can easily provide it.
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</p>
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</div>
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</div>
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<div class="chapter-level-extent" id="DOS">
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<h2 class="chapter">2 DOS</h2>
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<p>Using a cross-compiler is preferred for various reasons.
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<a class="url" href="http://www.delorie.com/howto/djgpp/linux-x-djgpp.html">http://www.delorie.com/howto/djgpp/linux-x-djgpp.html</a>
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</p>
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</div>
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<div class="chapter-level-extent" id="OS_002f2">
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<h2 class="chapter">3 OS/2</h2>
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<p>For information about compiling FFmpeg on OS/2 see
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<a class="url" href="http://www.edm2.com/index.php/FFmpeg">http://www.edm2.com/index.php/FFmpeg</a>.
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</p>
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</div>
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<div class="chapter-level-extent" id="Windows">
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<h2 class="chapter">4 Windows</h2>
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<ul class="mini-toc">
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<li><a href="#Native-Windows-compilation-using-MinGW-or-MinGW_002dw64" accesskey="1">Native Windows compilation using MinGW or MinGW-w64</a></li>
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<li><a href="#Microsoft-Visual-C_002b_002b-or-Intel-C_002b_002b-Compiler-for-Windows" accesskey="2">Microsoft Visual C++ or Intel C++ Compiler for Windows</a></li>
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<li><a href="#Cross-compilation-for-Windows-with-Linux-1" accesskey="3">Cross compilation for Windows with Linux</a></li>
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<li><a href="#Compilation-under-Cygwin" accesskey="4">Compilation under Cygwin</a></li>
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<li><a href="#Crosscompilation-for-Windows-under-Cygwin" accesskey="5">Crosscompilation for Windows under Cygwin</a></li>
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</ul>
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<div class="section-level-extent" id="Native-Windows-compilation-using-MinGW-or-MinGW_002dw64">
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<h3 class="section">4.1 Native Windows compilation using MinGW or MinGW-w64</h3>
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<p>FFmpeg can be built to run natively on Windows using the MinGW-w64
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toolchain. Install the latest versions of MSYS2 and MinGW-w64 from
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<a class="url" href="http://msys2.github.io/">http://msys2.github.io/</a> and/or <a class="url" href="http://mingw-w64.sourceforge.net/">http://mingw-w64.sourceforge.net/</a>.
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You can find detailed installation instructions in the download section and
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the FAQ.
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</p>
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<p>Notes:
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</p>
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<ul class="itemize mark-bullet">
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<li>Building for the MSYS environment is discouraged, MSYS2 provides a full
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MinGW-w64 environment through <samp class="file">mingw64_shell.bat</samp> or
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<samp class="file">mingw32_shell.bat</samp> that should be used instead of the environment
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provided by <samp class="file">msys2_shell.bat</samp>.
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</li><li>Building using MSYS2 can be sped up by disabling implicit rules in the
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Makefile by calling <code class="code">make -r</code> instead of plain <code class="code">make</code>. This
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speed up is close to non-existent for normal one-off builds and is only
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noticeable when running make for a second time (for example during
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<code class="code">make install</code>).
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</li><li>In order to compile FFplay, you must have the MinGW development library
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of <a class="uref" href="http://www.libsdl.org/">SDL</a> and <code class="code">pkg-config</code> installed.
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</li><li>By using <code class="code">./configure --enable-shared</code> when configuring FFmpeg,
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you can build the FFmpeg libraries (e.g. libavutil, libavcodec,
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libavformat) as DLLs.
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</li></ul>
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<ul class="mini-toc">
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<li><a href="#Native-Windows-compilation-using-MSYS2" accesskey="1">Native Windows compilation using MSYS2</a></li>
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</ul>
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<div class="subsection-level-extent" id="Native-Windows-compilation-using-MSYS2">
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<h4 class="subsection">4.1.1 Native Windows compilation using MSYS2</h4>
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<p>The MSYS2 MinGW-w64 environment provides ready to use toolchains and dependencies
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through <code class="command">pacman</code>.
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</p>
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<p>Make sure to use <samp class="file">mingw64_shell.bat</samp> or <samp class="file">mingw32_shell.bat</samp> to have
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the correct MinGW-w64 environment. The default install provides shortcuts to
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them under <code class="command">MinGW-w64 Win64 Shell</code> and <code class="command">MinGW-w64 Win32 Shell</code>.
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</p>
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<div class="example">
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<pre class="example-preformatted"># normal msys2 packages
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pacman -S make pkgconf diffutils
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# mingw-w64 packages and toolchains
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pacman -S mingw-w64-x86_64-nasm mingw-w64-x86_64-gcc mingw-w64-x86_64-SDL2
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</pre></div>
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<p>To target 32 bits replace <code class="code">x86_64</code> with <code class="code">i686</code> in the command above.
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</p>
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</div>
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</div>
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<div class="section-level-extent" id="Microsoft-Visual-C_002b_002b-or-Intel-C_002b_002b-Compiler-for-Windows">
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<h3 class="section">4.2 Microsoft Visual C++ or Intel C++ Compiler for Windows</h3>
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<p>FFmpeg can be built with MSVC 2013 or later.
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</p>
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<p>You will need the following prerequisites:
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</p>
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<ul class="itemize mark-bullet">
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<li><a class="uref" href="http://msys2.github.io/">MSYS2</a>
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</li><li><a class="uref" href="http://www.nasm.us/">NASM</a>
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(Also available via MSYS2’s package manager.)
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</li></ul>
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<p>To set up a proper environment in MSYS2, you need to run <code class="code">msys_shell.bat</code> from
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the Visual Studio or Intel Compiler command prompt.
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</p>
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<p>Place <code class="code">yasm.exe</code> somewhere in your <code class="code">PATH</code>.
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</p>
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<p>Next, make sure any other headers and libs you want to use, such as zlib, are
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located in a spot that the compiler can see. Do so by modifying the <code class="code">LIB</code>
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and <code class="code">INCLUDE</code> environment variables to include the <strong class="strong">Windows-style</strong>
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paths to these directories. Alternatively, you can try to use the
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<code class="code">--extra-cflags</code>/<code class="code">--extra-ldflags</code> configure options.
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</p>
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<p>Finally, run:
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</p>
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<div class="example">
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<pre class="example-preformatted">For MSVC:
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./configure --toolchain=msvc
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For ICL:
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./configure --toolchain=icl
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make
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make install
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</pre></div>
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<p>If you wish to compile shared libraries, add <code class="code">--enable-shared</code> to your
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configure options. Note that due to the way MSVC and ICL handle DLL imports and
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exports, you cannot compile static and shared libraries at the same time, and
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enabling shared libraries will automatically disable the static ones.
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</p>
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<p>Notes:
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</p>
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<ul class="itemize mark-bullet">
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<li>If you wish to build with zlib support, you will have to grab a compatible
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zlib binary from somewhere, with an MSVC import lib, or if you wish to link
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statically, you can follow the instructions below to build a compatible
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<code class="code">zlib.lib</code> with MSVC. Regardless of which method you use, you must still
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follow step 3, or compilation will fail.
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<ol class="enumerate">
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<li> Grab the <a class="uref" href="http://zlib.net/">zlib sources</a>.
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</li><li> Edit <code class="code">win32/Makefile.msc</code> so that it uses -MT instead of -MD, since
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this is how FFmpeg is built as well.
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</li><li> Edit <code class="code">zconf.h</code> and remove its inclusion of <code class="code">unistd.h</code>. This gets
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erroneously included when building FFmpeg.
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</li><li> Run <code class="code">nmake -f win32/Makefile.msc</code>.
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</li><li> Move <code class="code">zlib.lib</code>, <code class="code">zconf.h</code>, and <code class="code">zlib.h</code> to somewhere MSVC
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can see.
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</li></ol>
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</li><li>FFmpeg has been tested with the following on i686 and x86_64:
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<ul class="itemize mark-bullet">
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<li>Visual Studio 2013 Pro and Express
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</li><li>Intel Composer XE 2013
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</li><li>Intel Composer XE 2013 SP1
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</li></ul>
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<p>Anything else is not officially supported.
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</p>
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</li></ul>
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<ul class="mini-toc">
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<li><a href="#Linking-to-FFmpeg-with-Microsoft-Visual-C_002b_002b" accesskey="1">Linking to FFmpeg with Microsoft Visual C++</a></li>
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</ul>
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<div class="subsection-level-extent" id="Linking-to-FFmpeg-with-Microsoft-Visual-C_002b_002b">
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<h4 class="subsection">4.2.1 Linking to FFmpeg with Microsoft Visual C++</h4>
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<p>If you plan to link with MSVC-built static libraries, you will need
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to make sure you have <code class="code">Runtime Library</code> set to
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<code class="code">Multi-threaded (/MT)</code> in your project’s settings.
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</p>
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<p>You will need to define <code class="code">inline</code> to something MSVC understands:
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</p><div class="example">
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<pre class="example-preformatted">#define inline __inline
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</pre></div>
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<p>Also note, that as stated in <strong class="strong">Microsoft Visual C++</strong>, you will need
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an MSVC-compatible <a class="uref" href="http://code.google.com/p/msinttypes/">inttypes.h</a>.
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</p>
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<p>If you plan on using import libraries created by dlltool, you must
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set <code class="code">References</code> to <code class="code">No (/OPT:NOREF)</code> under the linker optimization
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settings, otherwise the resulting binaries will fail during runtime.
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This is not required when using import libraries generated by <code class="code">lib.exe</code>.
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This issue is reported upstream at
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<a class="url" href="http://sourceware.org/bugzilla/show_bug.cgi?id=12633">http://sourceware.org/bugzilla/show_bug.cgi?id=12633</a>.
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</p>
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<p>To create import libraries that work with the <code class="code">/OPT:REF</code> option
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(which is enabled by default in Release mode), follow these steps:
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</p>
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<ol class="enumerate">
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<li> Open the <em class="emph">Visual Studio Command Prompt</em>.
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<p>Alternatively, in a normal command line prompt, call <samp class="file">vcvars32.bat</samp>
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which sets up the environment variables for the Visual C++ tools
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(the standard location for this file is something like
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<samp class="file">C:\Program Files (x86_\Microsoft Visual Studio 10.0\VC\bin\vcvars32.bat</samp>).
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</p>
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</li><li> Enter the <samp class="file">bin</samp> directory where the created LIB and DLL files
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are stored.
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</li><li> Generate new import libraries with <code class="command">lib.exe</code>:
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<div class="example">
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<pre class="example-preformatted">lib /machine:i386 /def:..\lib\foo-version.def /out:foo.lib
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</pre></div>
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<p>Replace <code class="code">foo-version</code> and <code class="code">foo</code> with the respective library names.
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</p>
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</li></ol>
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<a class="anchor" id="Cross-compilation-for-Windows-with-Linux"></a></div>
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</div>
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<div class="section-level-extent" id="Cross-compilation-for-Windows-with-Linux-1">
|
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<h3 class="section">4.3 Cross compilation for Windows with Linux</h3>
|
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<p>You must use the MinGW cross compilation tools available at
|
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<a class="url" href="http://www.mingw.org/">http://www.mingw.org/</a>.
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</p>
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<p>Then configure FFmpeg with the following options:
|
|
</p><div class="example">
|
|
<pre class="example-preformatted">./configure --target-os=mingw32 --cross-prefix=i386-mingw32msvc-
|
|
</pre></div>
|
|
<p>(you can change the cross-prefix according to the prefix chosen for the
|
|
MinGW tools).
|
|
</p>
|
|
<p>Then you can easily test FFmpeg with <a class="uref" href="http://www.winehq.com/">Wine</a>.
|
|
</p>
|
|
</div>
|
|
<div class="section-level-extent" id="Compilation-under-Cygwin">
|
|
<h3 class="section">4.4 Compilation under Cygwin</h3>
|
|
|
|
<p>Please use Cygwin 1.7.x as the obsolete 1.5.x Cygwin versions lack
|
|
llrint() in its C library.
|
|
</p>
|
|
<p>Install your Cygwin with all the "Base" packages, plus the
|
|
following "Devel" ones:
|
|
</p><div class="example">
|
|
<pre class="example-preformatted">binutils, gcc4-core, make, git, mingw-runtime, texinfo
|
|
</pre></div>
|
|
|
|
<p>In order to run FATE you will also need the following "Utils" packages:
|
|
</p><div class="example">
|
|
<pre class="example-preformatted">diffutils
|
|
</pre></div>
|
|
|
|
<p>If you want to build FFmpeg with additional libraries, download Cygwin
|
|
"Devel" packages for Ogg and Vorbis from any Cygwin packages repository:
|
|
</p><div class="example">
|
|
<pre class="example-preformatted">libogg-devel, libvorbis-devel
|
|
</pre></div>
|
|
|
|
<p>These library packages are only available from
|
|
<a class="uref" href="http://sourceware.org/cygwinports/">Cygwin Ports</a>:
|
|
</p>
|
|
<div class="example">
|
|
<pre class="example-preformatted">yasm, libSDL-devel, libgsm-devel, libmp3lame-devel,
|
|
speex-devel, libtheora-devel, libxvidcore-devel
|
|
</pre></div>
|
|
|
|
<p>The recommendation for x264 is to build it from source, as it evolves too
|
|
quickly for Cygwin Ports to be up to date.
|
|
</p>
|
|
</div>
|
|
<div class="section-level-extent" id="Crosscompilation-for-Windows-under-Cygwin">
|
|
<h3 class="section">4.5 Crosscompilation for Windows under Cygwin</h3>
|
|
|
|
<p>With Cygwin you can create Windows binaries that do not need the cygwin1.dll.
|
|
</p>
|
|
<p>Just install your Cygwin as explained before, plus these additional
|
|
"Devel" packages:
|
|
</p><div class="example">
|
|
<pre class="example-preformatted">gcc-mingw-core, mingw-runtime, mingw-zlib
|
|
</pre></div>
|
|
|
|
<p>and add some special flags to your configure invocation.
|
|
</p>
|
|
<p>For a static build run
|
|
</p><div class="example">
|
|
<pre class="example-preformatted">./configure --target-os=mingw32 --extra-cflags=-mno-cygwin --extra-libs=-mno-cygwin
|
|
</pre></div>
|
|
|
|
<p>and for a build with shared libraries
|
|
</p><div class="example">
|
|
<pre class="example-preformatted">./configure --target-os=mingw32 --enable-shared --disable-static --extra-cflags=-mno-cygwin --extra-libs=-mno-cygwin
|
|
</pre></div>
|
|
|
|
</div>
|
|
</div>
|
|
</div>
|
|
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</body>
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</html>
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