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e9f5d94c93
Useful when having a service that runs a GStreamer pipeline or application in Google Cloud to avoid storing the inputs and outputs in the running container or service. For example when analyzing a video from a Google Cloud Storage bucket and extracting images or converting the video and then uploading the results into another Google Cloud Storage bucket. - gssrc allows to read from a file located in Google Cloud Storage and it supports seeking. - gssink allows to write to a file located in Google Cloud Storage. There are 2 modes, one similar to multifilesink and the other similar to filesink. Example: gst-launch-1.0 gssrc location=gs://mybucket/videos/sample.mp4 ! decodebin ! glimagesink gst-launch-1.0 playbin uri=gs://mybucket/videos/sample.mp4 gst-launch-1.0 videotestsrc num-buffers=5 ! pngenc ! gssink object-name="img/img%05d.png" bucket-name="mybucket" next-file=buffer gst-launch-1.0 filesrc location=sample.mp4 ! gssink object-name="videos/video.mp4" bucket-name="mybucket" next-file=none When running locally simply set GOOGLE_APPLICATION_CREDENTIALS. But when running in Google Cloud Run or Google Cloud Engine, just set the "service-account-email" property on each element. Closes #1264 Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1369>
71 lines
2.1 KiB
Markdown
71 lines
2.1 KiB
Markdown
# Install the Google Cloud Storage dependencies.
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```
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sudo apt-get install \
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cmake \
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libcurl3-gnutls-dev \
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libgrpc++-dev \
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libprotobuf-dev \
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protobuf-compiler-grpc
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```
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# Build the Google Cloud Storage library
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```
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git clone https://github.com/google/crc32c.git
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cd crc32c && git checkout -b 1.1.1
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mkdir build && cd build
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cmake .. \
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-GNinja \
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-DCMAKE_INSTALL_PREFIX:PATH=~/dev/gst-build/prefix \
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-DCMAKE_INSTALL_LIBDIR:PATH=lib \
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-DBUILD_SHARED_LIBS=YES \
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-DCRC32C_USE_GLOG=NO \
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-DCRC32C_BUILD_TESTS=NO \
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-DCRC32C_BUILD_BENCHMARKS=NO
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ninja && ninja install
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git clone https://github.com/abseil/abseil-cpp.git
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git checkout master
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mkdir build && cd build
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cmake .. \
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-GNinja \
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-DBUILD_TESTING=NO \
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-DCMAKE_INSTALL_PREFIX:PATH=~/dev/gst-build/prefix \
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-DCMAKE_INSTALL_LIBDIR:PATH=lib \
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-DBUILD_SHARED_LIBS=YES
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ninja && ninja install
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git clone https://github.com/googleapis/google-cloud-cpp.git
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git checkout -b v1.25.0
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mkdir build && cd build
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cmake .. \
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-GNinja \
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-DCMAKE_INSTALL_PREFIX:PATH=~/dev/gst-build/prefix \
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-DCMAKE_INSTALL_LIBDIR:PATH=lib \
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-DBUILD_SHARED_LIBS=YES \
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-DBUILD_TESTING=NO \
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-DGOOGLE_CLOUD_CPP_ENABLE=storage
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ninja && ninja install
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```
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# Running the gs elements locally
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When running from the command line or in a container running locally, simply
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set the credentials by exporting GOOGLE_APPLICATION_CREDENTIALS. If you are
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not familiar with this environment variable, check the documentation
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https://cloud.google.com/docs/authentication/getting-started
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Note that you can restrict a service account to the role Storage Admin or
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Storage Object Creator instead of the Project Owner role from the above
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documentation.
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# Running the gs elements in Google Cloud Run
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Add the Storage Object Viewer role to the service account assigned to the
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Cloud Run service where gssrc runs. For gssink add the role Storage Object
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Creator. Then just set the service-account-email property on the element.
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# Running the gs elements in Google Cloud Kubernetes
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You need to set GOOGLE_APPLICATION_CREDENTIALS in the container and ship the
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json file to which the environment variable points to.
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