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feat: add spritesheet samples and tests (GoogleCloudPlatform#4878)
b:181782257 - [X] **Tests** pass: `mvn clean verify` **required** - [X] **Lint** passes: `mvn -P lint checkstyle:check` **required** - [X] Please **merge** this PR for me once it is approved.
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‎media/transcoder/src/main/java/com/example/transcoder/CreateJobWithPeriodicImagesSpritesheet.java

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/*
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* Copyright 2021 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.transcoder;
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// [START transcoder_create_job_with_periodic_images_spritesheet]
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import com.google.cloud.video.transcoder.v1beta1.AudioStream;
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import com.google.cloud.video.transcoder.v1beta1.CreateJobRequest;
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import com.google.cloud.video.transcoder.v1beta1.ElementaryStream;
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import com.google.cloud.video.transcoder.v1beta1.Input;
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import com.google.cloud.video.transcoder.v1beta1.Job;
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import com.google.cloud.video.transcoder.v1beta1.JobConfig;
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import com.google.cloud.video.transcoder.v1beta1.LocationName;
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import com.google.cloud.video.transcoder.v1beta1.MuxStream;
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import com.google.cloud.video.transcoder.v1beta1.Output;
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import com.google.cloud.video.transcoder.v1beta1.SpriteSheet;
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import com.google.cloud.video.transcoder.v1beta1.TranscoderServiceClient;
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import com.google.cloud.video.transcoder.v1beta1.VideoStream;
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import com.google.protobuf.Duration;
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import java.io.IOException;
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public class CreateJobWithPeriodicImagesSpritesheet {
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public static final String smallSpritesheetFilePrefix = "small-sprite-sheet";
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public static final String largeSpritesheetFilePrefix = "large-sprite-sheet";
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public static final String spritesheetFileSuffix = "0000000000.jpeg";
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public static void main(String[] args) throws IOException {
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// TODO(developer): Replace these variables before running the sample.
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String projectId = "my-project-id";
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String location = "us-central1";
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String inputUri = "gs://my-bucket/my-video-file";
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String outputUri = "gs://my-bucket/my-output-folder/";
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createJobWithPeriodicImagesSpritesheet(projectId, location, inputUri, outputUri);
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}
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// Creates a job from an ad-hoc configuration and generates two spritesheets from the input video.
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// Each spritesheet contains images that are captured periodically based on a user-defined time
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// interval.
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public static void createJobWithPeriodicImagesSpritesheet(
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String projectId, String location, String inputUri, String outputUri) throws IOException {
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// Initialize client that will be used to send requests. This client only needs to be created
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// once, and can be reused for multiple requests.
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try (TranscoderServiceClient transcoderServiceClient = TranscoderServiceClient.create()) {
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VideoStream videoStream0 =
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VideoStream.newBuilder()
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.setCodec("h264")
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.setBitrateBps(550000)
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.setFrameRate(60)
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.setHeightPixels(360)
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.setWidthPixels(640)
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.build();
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AudioStream audioStream0 =
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AudioStream.newBuilder().setCodec("aac").setBitrateBps(64000).build();
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// Generates a spritesheet of small images taken periodically from the input video. To
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// preserve the source aspect ratio, you should set the spriteWidthPixels field or the
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// spriteHeightPixels field, but not both.
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SpriteSheet smallSpriteSheet =
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SpriteSheet.newBuilder()
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.setFilePrefix(smallSpritesheetFilePrefix)
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.setSpriteHeightPixels(32)
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.setSpriteWidthPixels(64)
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.setInterval(Duration.newBuilder().setSeconds(7).build())
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.build();
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// Generates a spritesheet of larger images taken periodically from the input video. To
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SpriteSheet largeSpriteSheet =
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SpriteSheet.newBuilder()
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.setFilePrefix(largeSpritesheetFilePrefix)
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.setSpriteHeightPixels(72)
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.setSpriteWidthPixels(128)
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.setInterval(Duration.newBuilder().setSeconds(7).build())
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.build();
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JobConfig config =
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JobConfig.newBuilder()
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.addInputs(Input.newBuilder().setKey("input0").setUri(inputUri))
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.setOutput(Output.newBuilder().setUri(outputUri))
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.addElementaryStreams(
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ElementaryStream.newBuilder()
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.setKey("video_stream0")
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.setVideoStream(videoStream0))
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.addElementaryStreams(
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ElementaryStream.newBuilder()
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.setKey("audio_stream0")
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.setAudioStream(audioStream0))
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.addMuxStreams(
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MuxStream.newBuilder()
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.setKey("sd")
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.setContainer("mp4")
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.addElementaryStreams("video_stream0")
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.addElementaryStreams("audio_stream0")
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.build())
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.addSpriteSheets(smallSpriteSheet) // Add the spritesheet config to the job config
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.addSpriteSheets(largeSpriteSheet) // Add the spritesheet config to the job config
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.build();
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var createJobRequest =
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CreateJobRequest.newBuilder()
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.setJob(
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Job.newBuilder()
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.setInputUri(inputUri)
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.setOutputUri(outputUri)
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.setConfig(config)
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.build())
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.setParent(LocationName.of(projectId, location).toString())
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.build();
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// Send the job creation request and process the response.
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Job job = transcoderServiceClient.createJob(createJobRequest);
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System.out.println("Job: " + job.getName());
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}
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}
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}
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// [END transcoder_create_job_with_periodic_images_spritesheet]

‎media/transcoder/src/main/java/com/example/transcoder/CreateJobWithSetNumberImagesSpritesheet.java

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/*
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* Copyright 2021 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.transcoder;
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// [START transcoder_create_job_with_set_number_images_spritesheet]
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import com.google.cloud.video.transcoder.v1beta1.AudioStream;
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import com.google.cloud.video.transcoder.v1beta1.CreateJobRequest;
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import com.google.cloud.video.transcoder.v1beta1.ElementaryStream;
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import com.google.cloud.video.transcoder.v1beta1.Input;
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import com.google.cloud.video.transcoder.v1beta1.Job;
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import com.google.cloud.video.transcoder.v1beta1.JobConfig;
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import com.google.cloud.video.transcoder.v1beta1.LocationName;
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import com.google.cloud.video.transcoder.v1beta1.MuxStream;
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import com.google.cloud.video.transcoder.v1beta1.Output;
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import com.google.cloud.video.transcoder.v1beta1.SpriteSheet;
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import com.google.cloud.video.transcoder.v1beta1.TranscoderServiceClient;
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import com.google.cloud.video.transcoder.v1beta1.VideoStream;
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import java.io.IOException;
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public class CreateJobWithSetNumberImagesSpritesheet {
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public static final String smallSpritesheetFilePrefix = "small-sprite-sheet";
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public static final String largeSpritesheetFilePrefix = "large-sprite-sheet";
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public static final String spritesheetFileSuffix = "0000000000.jpeg";
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public static void main(String[] args) throws IOException {
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// TODO(developer): Replace these variables before running the sample.
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String projectId = "my-project-id";
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String location = "us-central1";
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String inputUri = "gs://my-bucket/my-video-file";
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String outputUri = "gs://my-bucket/my-output-folder/";
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createJobWithSetNumberImagesSpritesheet(projectId, location, inputUri, outputUri);
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}
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// Creates a job from an ad-hoc configuration and generates two spritesheets from the input video.
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// Each spritesheet contains a set number of images.
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public static void createJobWithSetNumberImagesSpritesheet(
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String projectId, String location, String inputUri, String outputUri) throws IOException {
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// Initialize client that will be used to send requests. This client only needs to be created
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// once, and can be reused for multiple requests.
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try (TranscoderServiceClient transcoderServiceClient = TranscoderServiceClient.create()) {
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VideoStream videoStream0 =
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VideoStream.newBuilder()
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.setCodec("h264")
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.setBitrateBps(550000)
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.setFrameRate(60)
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.setHeightPixels(360)
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.setWidthPixels(640)
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.build();
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AudioStream audioStream0 =
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AudioStream.newBuilder().setCodec("aac").setBitrateBps(64000).build();
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// Generates a 10x10 spritesheet of small images from the input video. To preserve the source
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// aspect ratio, you should set the spriteWidthPixels field or the spriteHeightPixels
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// field, but not both.
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SpriteSheet smallSpriteSheet =
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SpriteSheet.newBuilder()
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.setFilePrefix(smallSpritesheetFilePrefix)
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.setSpriteHeightPixels(32)
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.setSpriteWidthPixels(64)
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.setColumnCount(10)
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.setRowCount(10)
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.setTotalCount(100)
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.build();
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// Generates a 10x10 spritesheet of larger images from the input video.
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SpriteSheet largeSpriteSheet =
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SpriteSheet.newBuilder()
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.setFilePrefix(largeSpritesheetFilePrefix)
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.setSpriteHeightPixels(72)
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.setSpriteWidthPixels(128)
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.setColumnCount(10)
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.setRowCount(10)
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.setTotalCount(100)
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.build();
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JobConfig config =
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JobConfig.newBuilder()
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.addInputs(Input.newBuilder().setKey("input0").setUri(inputUri))
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.setOutput(Output.newBuilder().setUri(outputUri))
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.addElementaryStreams(
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ElementaryStream.newBuilder()
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.setKey("video_stream0")
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.setVideoStream(videoStream0))
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.addElementaryStreams(
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ElementaryStream.newBuilder()
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.setKey("audio_stream0")
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.setAudioStream(audioStream0))
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.addMuxStreams(
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MuxStream.newBuilder()
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.setKey("sd")
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.setContainer("mp4")
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.addElementaryStreams("video_stream0")
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.addElementaryStreams("audio_stream0")
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.build())
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.addSpriteSheets(smallSpriteSheet) // Add the spritesheet config to the job config
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.addSpriteSheets(largeSpriteSheet) // Add the spritesheet config to the job config
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.build();
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var createJobRequest =
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CreateJobRequest.newBuilder()
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.setJob(
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Job.newBuilder()
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.setInputUri(inputUri)
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.setOutputUri(outputUri)
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.setConfig(config)
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.build())
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.setParent(LocationName.of(projectId, location).toString())
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.build();
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// Send the job creation request and process the response.
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Job job = transcoderServiceClient.createJob(createJobRequest);
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System.out.println("Job: " + job.getName());
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}
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}
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}
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// [END transcoder_create_job_with_set_number_images_spritesheet]

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