Crea un trabajo de transcodificación que genere una hoja de cálculo con fotogramas de video. Tú defines el número de imágenes (filas x columnas) en la hoja de objetos.
Para obtener documentación en la que se incluye esta muestra de código, consulta lo siguiente:
Go
Antes de probar esta muestra, sigue las instrucciones de configuración Go que se encuentran en la Guía de inicio rápido de la API de Transcoder con bibliotecas cliente.
Para obtener más información, consulta la documentación de referencia de la API de Go de la API de Transcoder.
Para autenticarte en la API de Transcoder, configura las credenciales predeterminadas de la aplicación.
Si deseas obtener más información, consulta Configura la autenticación para un entorno de desarrollo local.
import (
"context"
"fmt"
"io"
transcoder "cloud.google.com/go/video/transcoder/apiv1"
"cloud.google.com/go/video/transcoder/apiv1/transcoderpb"
)
// createJobWithSetNumberImagesSpritesheet creates a job from an ad-hoc configuration and generates
// two spritesheets from the input video. Each spritesheet contains a set number of images.
func createJobWithSetNumberImagesSpritesheet(w io.Writer, projectID string, location string, inputURI string, outputURI string) error {
// projectID := "my-project-id"
// location := "us-central1"
// inputURI := "gs://my-bucket/my-video-file"
// outputURI := "gs://my-bucket/my-output-folder/"
ctx := context.Background()
client, err := transcoder.NewClient(ctx)
if err != nil {
return fmt.Errorf("NewClient: %w", err)
}
defer client.Close()
req := &transcoderpb.CreateJobRequest{
Parent: fmt.Sprintf("projects/%s/locations/%s", projectID, location),
Job: &transcoderpb.Job{
InputUri: inputURI,
OutputUri: outputURI,
JobConfig: &transcoderpb.Job_Config{
Config: &transcoderpb.JobConfig{
ElementaryStreams: []*transcoderpb.ElementaryStream{
{
Key: "video_stream0",
ElementaryStream: &transcoderpb.ElementaryStream_VideoStream{
VideoStream: &transcoderpb.VideoStream{
CodecSettings: &transcoderpb.VideoStream_H264{
H264: &transcoderpb.VideoStream_H264CodecSettings{
BitrateBps: 550000,
FrameRate: 60,
HeightPixels: 360,
WidthPixels: 640,
},
},
},
},
},
{
Key: "audio_stream0",
ElementaryStream: &transcoderpb.ElementaryStream_AudioStream{
AudioStream: &transcoderpb.AudioStream{
Codec: "aac",
BitrateBps: 64000,
},
},
},
},
MuxStreams: []*transcoderpb.MuxStream{
{
Key: "sd",
Container: "mp4",
ElementaryStreams: []string{"video_stream0", "audio_stream0"},
},
},
SpriteSheets: []*transcoderpb.SpriteSheet{
{
FilePrefix: "small-sprite-sheet",
SpriteWidthPixels: 64,
SpriteHeightPixels: 32,
ColumnCount: 10,
RowCount: 10,
ExtractionStrategy: &transcoderpb.SpriteSheet_TotalCount{
TotalCount: 100,
},
},
{
FilePrefix: "large-sprite-sheet",
SpriteWidthPixels: 128,
SpriteHeightPixels: 72,
ColumnCount: 10,
RowCount: 10,
ExtractionStrategy: &transcoderpb.SpriteSheet_TotalCount{
TotalCount: 100,
},
},
},
},
},
},
}
// Creates the job. Jobs take a variable amount of time to run. You can query for the job state.
// See https://cloud.google.com/transcoder/docs/how-to/jobs#check_job_status for more info.
response, err := client.CreateJob(ctx, req)
if err != nil {
return fmt.Errorf("createJobWithSetNumberImagesSpritesheet: %w", err)
}
fmt.Fprintf(w, "Job: %v", response.GetName())
return nil
}
Node.js
Antes de probar esta muestra, sigue las instrucciones de configuración Node.js que se encuentran en la Guía de inicio rápido de la API de Transcoder con bibliotecas cliente.
Para obtener más información, consulta la documentación de referencia de la API de Node.js de la API de Transcoder.
Para autenticarte en la API de Transcoder, configura las credenciales predeterminadas de la aplicación.
Si deseas obtener más información, consulta Configura la autenticación para un entorno de desarrollo local.
/**
* TODO(developer): Uncomment these variables before running the sample.
*/
// projectId = 'my-project-id';
// location = 'us-central1';
// inputUri = 'gs://my-bucket/my-video-file';
// outputUri = 'gs://my-bucket/my-output-folder/';
// Imports the Transcoder library
const {TranscoderServiceClient} =
require('@google-cloud/video-transcoder').v1;
// Instantiates a client
const transcoderServiceClient = new TranscoderServiceClient();
async function createJobWithSetNumberImagesSpritesheet() {
// Construct request
const request = {
parent: transcoderServiceClient.locationPath(projectId, location),
job: {
inputUri: inputUri,
outputUri: outputUri,
config: {
elementaryStreams: [
{
key: 'video-stream0',
videoStream: {
h264: {
heightPixels: 360,
widthPixels: 640,
bitrateBps: 550000,
frameRate: 60,
},
},
},
{
key: 'audio-stream0',
audioStream: {
codec: 'aac',
bitrateBps: 64000,
},
},
],
muxStreams: [
{
key: 'sd',
container: 'mp4',
elementaryStreams: ['video-stream0', 'audio-stream0'],
},
],
spriteSheets: [
{
filePrefix: 'small-sprite-sheet',
spriteHeightPixels: 32,
spriteWidthPixels: 64,
columnCount: 10,
rowCount: 10,
totalCount: 100,
},
{
filePrefix: 'large-sprite-sheet',
spriteHeightPixels: 72,
spriteWidthPixels: 128,
columnCount: 10,
rowCount: 10,
totalCount: 100,
},
],
},
},
};
// Run request
const [response] = await transcoderServiceClient.createJob(request);
console.log(`Job: ${response.name}`);
}
createJobWithSetNumberImagesSpritesheet();
Python
Antes de probar esta muestra, sigue las instrucciones de configuración Python que se encuentran en la Guía de inicio rápido de la API de Transcoder con bibliotecas cliente.
Para obtener más información, consulta la documentación de referencia de la API de Python de la API de Transcoder.
Para autenticarte en la API de Transcoder, configura las credenciales predeterminadas de la aplicación.
Si deseas obtener más información, consulta Configura la autenticación para un entorno de desarrollo local.
import argparse
from google.cloud.video import transcoder_v1
from google.cloud.video.transcoder_v1.services.transcoder_service import (
TranscoderServiceClient,
)
def create_job_with_set_number_images_spritesheet(
project_id: str,
location: str,
input_uri: str,
output_uri: str,
) -> transcoder_v1.types.resources.Job:
"""Creates a job based on an ad-hoc job configuration that generates two spritesheets.
Args:
project_id: The GCP project ID.
location: The location to start the job in.
input_uri: Uri of the video in the Cloud Storage bucket.
output_uri: Uri of the video output folder in the Cloud Storage bucket.
Returns:
The job resource.
"""
client = TranscoderServiceClient()
parent = f"projects/{project_id}/locations/{location}"
job = transcoder_v1.types.Job()
job.input_uri = input_uri
job.output_uri = output_uri
job.config = transcoder_v1.types.JobConfig(
# Create an ad-hoc job. For more information, see https://cloud.google.com/transcoder/docs/how-to/jobs#create_jobs_ad_hoc.
# See all options for the job config at https://cloud.google.com/transcoder/docs/reference/rest/v1/JobConfig.
elementary_streams=[
# This section defines the output video stream.
transcoder_v1.types.ElementaryStream(
key="video-stream0",
video_stream=transcoder_v1.types.VideoStream(
h264=transcoder_v1.types.VideoStream.H264CodecSettings(
height_pixels=360,
width_pixels=640,
bitrate_bps=550000,
frame_rate=60,
),
),
),
# This section defines the output audio stream.
transcoder_v1.types.ElementaryStream(
key="audio-stream0",
audio_stream=transcoder_v1.types.AudioStream(
codec="aac", bitrate_bps=64000
),
),
],
# This section multiplexes the output audio and video together into a container.
mux_streams=[
transcoder_v1.types.MuxStream(
key="sd",
container="mp4",
elementary_streams=["video-stream0", "audio-stream0"],
),
],
# Generate two sprite sheets from the input video into the GCS bucket. For more information, see
# https://cloud.google.com/transcoder/docs/how-to/generate-spritesheet#generate_set_number_of_images.
sprite_sheets=[
# Generate a 10x10 sprite sheet with 64x32px images.
transcoder_v1.types.SpriteSheet(
file_prefix="small-sprite-sheet",
sprite_width_pixels=64,
sprite_height_pixels=32,
column_count=10,
row_count=10,
total_count=100,
),
# Generate a 10x10 sprite sheet with 128x72px images.
transcoder_v1.types.SpriteSheet(
file_prefix="large-sprite-sheet",
sprite_width_pixels=128,
sprite_height_pixels=72,
column_count=10,
row_count=10,
total_count=100,
),
],
)
response = client.create_job(parent=parent, job=job)
print(f"Job: {response.name}")
return response
