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198 lines
6.5 KiB
Plaintext
198 lines
6.5 KiB
Plaintext
FFmpeg Automated Testing Environment
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************************************
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Table of Contents
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*****************
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FFmpeg Automated Testing Environment
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1 Introduction
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2 Using FATE from your FFmpeg source directory
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3 Submitting the results to the FFmpeg result aggregation server
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4 FATE makefile targets and variables
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4.1 Makefile targets
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4.2 Makefile variables
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4.3 Examples
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1 Introduction
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**************
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FATE is an extended regression suite on the client-side and a means for
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results aggregation and presentation on the server-side.
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The first part of this document explains how you can use FATE from
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your FFmpeg source directory to test your ffmpeg binary. The second
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part describes how you can run FATE to submit the results to FFmpeg's
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FATE server.
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In any way you can have a look at the publicly viewable FATE results
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by visiting this website:
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`http://fate.ffmpeg.org/'
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This is especially recommended for all people contributing source
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code to FFmpeg, as it can be seen if some test on some platform broke
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with their recent contribution. This usually happens on the platforms
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the developers could not test on.
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The second part of this document describes how you can run FATE to
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submit your results to FFmpeg's FATE server. If you want to submit your
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results be sure to check that your combination of CPU, OS and compiler
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is not already listed on the above mentioned website.
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In the third part you can find a comprehensive listing of FATE
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makefile targets and variables.
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2 Using FATE from your FFmpeg source directory
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**********************************************
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If you want to run FATE on your machine you need to have the samples in
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place. You can get the samples via the build target fate-rsync. Use
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this command from the top-level source directory:
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make fate-rsync SAMPLES=fate-suite/
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make fate SAMPLES=fate-suite/
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The above commands set the samples location by passing a makefile
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variable via command line. It is also possible to set the samples
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location at source configuration time by invoking configure with
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`-samples=<path to the samples directory>'. Afterwards you can invoke
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the makefile targets without setting the SAMPLES makefile variable.
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This is illustrated by the following commands:
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./configure --samples=fate-suite/
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make fate-rsync
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make fate
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Yet another way to tell FATE about the location of the sample
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directory is by making sure the environment variable FATE_SAMPLES
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contains the path to your samples directory. This can be achieved by
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e.g. putting that variable in your shell profile or by setting it in
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your interactive session.
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FATE_SAMPLES=fate-suite/ make fate
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Do not put a '~' character in the samples path to indicate a home
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directory. Because of shell nuances, this will cause FATE to fail.
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NOTE
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To use a custom wrapper to run the test, pass `--target-exec' to
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`configure' or set the TARGET_EXEC Make variable.
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3 Submitting the results to the FFmpeg result aggregation server
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****************************************************************
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To submit your results to the server you should run fate through the
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shell script `tests/fate.sh' from the FFmpeg sources. This script needs
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to be invoked with a configuration file as its first argument.
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tests/fate.sh /path/to/fate_config
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A configuration file template with comments describing the individual
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configuration variables can be found at `doc/fate_config.sh.template'.
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Create a configuration that suits your needs, based on the
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configuration template. The `slot' configuration variable can be any
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string that is not yet used, but it is suggested that you name it
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adhering to the following pattern <arch>-<os>-<compiler>-<compiler
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version>. The configuration file itself will be sourced in a shell
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script, therefore all shell features may be used. This enables you to
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setup the environment as you need it for your build.
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For your first test runs the `fate_recv' variable should be empty or
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commented out. This will run everything as normal except that it will
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omit the submission of the results to the server. The following files
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should be present in $workdir as specified in the configuration file:
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* configure.log
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* compile.log
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* test.log
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* report
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* version
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When you have everything working properly you can create an SSH key
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pair and send the public key to the FATE server administrator who can
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be contacted at the email address <fate-admin@ffmpeg.org>.
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Configure your SSH client to use public key authentication with that
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key when connecting to the FATE server. Also do not forget to check the
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identity of the server and to accept its host key. This can usually be
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achieved by running your SSH client manually and killing it after you
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accepted the key. The FATE server's fingerprint is:
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`RSA'
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d3:f1:83:97:a4:75:2b:a6:fb:d6:e8:aa:81:93:97:51
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`ECDSA'
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76:9f:68:32:04:1e:d5:d4:ec:47:3f:dc:fc:18:17:86
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If you have problems connecting to the FATE server, it may help to
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try out the `ssh' command with one or more `-v' options. You should get
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detailed output concerning your SSH configuration and the authentication
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process.
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The only thing left is to automate the execution of the fate.sh
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script and the synchronisation of the samples directory.
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4 FATE makefile targets and variables
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*************************************
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4.1 Makefile targets
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====================
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`fate-rsync'
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Download/synchronize sample files to the configured samples
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directory.
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`fate-list'
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Will list all fate/regression test targets.
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`fate'
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Run the FATE test suite (requires the fate-suite dataset).
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4.2 Makefile variables
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======================
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`V'
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Verbosity level, can be set to 0, 1 or 2.
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* 0: show just the test arguments
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* 1: show just the command used in the test
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* 2: show everything
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`SAMPLES'
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Specify or override the path to the FATE samples at make time, it
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has a meaning only while running the regression tests.
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`THREADS'
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Specify how many threads to use while running regression tests, it
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is quite useful to detect thread-related regressions.
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`THREAD_TYPE'
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Specify which threading strategy test, either SLICE or FRAME, by
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default SLICE+FRAME
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`CPUFLAGS'
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Specify CPU flags.
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`TARGET_EXEC'
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Specify or override the wrapper used to run the tests. The
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TARGET_EXEC option provides a way to run FATE wrapped in
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`valgrind', `qemu-user' or `wine' or on remote targets through
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`ssh'.
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`GEN'
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Set to 1 to generate the missing or mismatched references.
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4.3 Examples
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============
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make V=1 SAMPLES=/var/fate/samples THREADS=2 CPUFLAGS=mmx fate
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