初始化导入 new-api 源码
This commit is contained in:
292
relay/channel/task/gemini/adaptor.go
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292
relay/channel/task/gemini/adaptor.go
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@@ -0,0 +1,292 @@
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package gemini
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import (
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"bytes"
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"fmt"
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"io"
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"net/http"
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"regexp"
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"strings"
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"time"
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"github.com/QuantumNous/new-api/common"
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"github.com/QuantumNous/new-api/constant"
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"github.com/QuantumNous/new-api/dto"
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"github.com/QuantumNous/new-api/model"
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"github.com/QuantumNous/new-api/relay/channel"
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taskcommon "github.com/QuantumNous/new-api/relay/channel/task/taskcommon"
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relaycommon "github.com/QuantumNous/new-api/relay/common"
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"github.com/QuantumNous/new-api/service"
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"github.com/QuantumNous/new-api/setting/model_setting"
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"github.com/gin-gonic/gin"
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"github.com/pkg/errors"
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)
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// ============================
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// Adaptor implementation
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// ============================
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type TaskAdaptor struct {
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taskcommon.BaseBilling
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ChannelType int
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apiKey string
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baseURL string
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}
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func (a *TaskAdaptor) Init(info *relaycommon.RelayInfo) {
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a.ChannelType = info.ChannelType
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a.baseURL = info.ChannelBaseUrl
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a.apiKey = info.ApiKey
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}
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// ValidateRequestAndSetAction parses body, validates fields and sets default action.
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func (a *TaskAdaptor) ValidateRequestAndSetAction(c *gin.Context, info *relaycommon.RelayInfo) (taskErr *dto.TaskError) {
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return relaycommon.ValidateBasicTaskRequest(c, info, constant.TaskActionTextGenerate)
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}
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// BuildRequestURL constructs the Gemini API predictLongRunning endpoint for Veo.
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func (a *TaskAdaptor) BuildRequestURL(info *relaycommon.RelayInfo) (string, error) {
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modelName := info.UpstreamModelName
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version := model_setting.GetGeminiVersionSetting(modelName)
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return fmt.Sprintf(
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"%s/%s/models/%s:predictLongRunning",
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a.baseURL,
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version,
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modelName,
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), nil
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}
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// BuildRequestHeader sets required headers.
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func (a *TaskAdaptor) BuildRequestHeader(c *gin.Context, req *http.Request, info *relaycommon.RelayInfo) error {
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("Accept", "application/json")
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req.Header.Set("x-goog-api-key", a.apiKey)
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return nil
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}
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// BuildRequestBody converts request into the Veo predictLongRunning format.
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func (a *TaskAdaptor) BuildRequestBody(c *gin.Context, info *relaycommon.RelayInfo) (io.Reader, error) {
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v, ok := c.Get("task_request")
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if !ok {
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return nil, fmt.Errorf("request not found in context")
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}
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req, ok := v.(relaycommon.TaskSubmitReq)
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if !ok {
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return nil, fmt.Errorf("unexpected task_request type")
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}
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instance := VeoInstance{Prompt: req.Prompt}
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if img := ExtractMultipartImage(c, info); img != nil {
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instance.Image = img
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} else if len(req.Images) > 0 {
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if parsed := ParseImageInput(req.Images[0]); parsed != nil {
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instance.Image = parsed
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info.Action = constant.TaskActionGenerate
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}
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}
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params := &VeoParameters{}
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if err := taskcommon.UnmarshalMetadata(req.Metadata, params); err != nil {
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return nil, errors.Wrap(err, "unmarshal metadata failed")
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}
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if params.DurationSeconds == 0 && req.Duration > 0 {
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params.DurationSeconds = req.Duration
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}
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if params.Resolution == "" && req.Size != "" {
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params.Resolution = SizeToVeoResolution(req.Size)
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}
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if params.AspectRatio == "" && req.Size != "" {
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params.AspectRatio = SizeToVeoAspectRatio(req.Size)
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}
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params.Resolution = strings.ToLower(params.Resolution)
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params.SampleCount = 1
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body := VeoRequestPayload{
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Instances: []VeoInstance{instance},
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Parameters: params,
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}
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data, err := common.Marshal(body)
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if err != nil {
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return nil, err
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}
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return bytes.NewReader(data), nil
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}
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// DoRequest delegates to common helper.
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func (a *TaskAdaptor) DoRequest(c *gin.Context, info *relaycommon.RelayInfo, requestBody io.Reader) (*http.Response, error) {
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return channel.DoTaskApiRequest(a, c, info, requestBody)
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}
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// DoResponse handles upstream response, returns taskID etc.
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func (a *TaskAdaptor) DoResponse(c *gin.Context, resp *http.Response, info *relaycommon.RelayInfo) (taskID string, taskData []byte, taskErr *dto.TaskError) {
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responseBody, err := io.ReadAll(resp.Body)
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if err != nil {
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return "", nil, service.TaskErrorWrapper(err, "read_response_body_failed", http.StatusInternalServerError)
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}
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_ = resp.Body.Close()
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var s submitResponse
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if err := common.Unmarshal(responseBody, &s); err != nil {
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return "", nil, service.TaskErrorWrapper(err, "unmarshal_response_failed", http.StatusInternalServerError)
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}
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if strings.TrimSpace(s.Name) == "" {
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return "", nil, service.TaskErrorWrapper(fmt.Errorf("missing operation name"), "invalid_response", http.StatusInternalServerError)
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}
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taskID = taskcommon.EncodeLocalTaskID(s.Name)
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ov := dto.NewOpenAIVideo()
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ov.ID = info.PublicTaskID
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ov.TaskID = info.PublicTaskID
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ov.CreatedAt = time.Now().Unix()
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ov.Model = info.OriginModelName
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c.JSON(http.StatusOK, ov)
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return taskID, responseBody, nil
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}
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func (a *TaskAdaptor) GetModelList() []string {
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return []string{
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"veo-3.0-generate-001",
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"veo-3.0-fast-generate-001",
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"veo-3.1-generate-preview",
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"veo-3.1-fast-generate-preview",
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}
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}
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func (a *TaskAdaptor) GetChannelName() string {
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return "gemini"
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}
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// EstimateBilling returns OtherRatios based on durationSeconds and resolution.
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func (a *TaskAdaptor) EstimateBilling(c *gin.Context, info *relaycommon.RelayInfo) map[string]float64 {
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v, ok := c.Get("task_request")
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if !ok {
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return nil
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}
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req, ok := v.(relaycommon.TaskSubmitReq)
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if !ok {
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return nil
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}
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seconds := ResolveVeoDuration(req.Metadata, req.Duration, req.Seconds)
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resolution := ResolveVeoResolution(req.Metadata, req.Size)
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resRatio := VeoResolutionRatio(info.UpstreamModelName, resolution)
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return map[string]float64{
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"seconds": float64(seconds),
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"resolution": resRatio,
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}
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}
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// FetchTask polls task status via the Gemini operations GET endpoint.
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func (a *TaskAdaptor) FetchTask(baseUrl, key string, body map[string]any, proxy string) (*http.Response, error) {
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taskID, ok := body["task_id"].(string)
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if !ok {
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return nil, fmt.Errorf("invalid task_id")
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}
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upstreamName, err := taskcommon.DecodeLocalTaskID(taskID)
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if err != nil {
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return nil, fmt.Errorf("decode task_id failed: %w", err)
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}
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version := model_setting.GetGeminiVersionSetting("default")
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url := fmt.Sprintf("%s/%s/%s", baseUrl, version, upstreamName)
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req, err := http.NewRequest(http.MethodGet, url, nil)
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if err != nil {
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return nil, err
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}
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req.Header.Set("Accept", "application/json")
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req.Header.Set("x-goog-api-key", key)
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client, err := service.GetHttpClientWithProxy(proxy)
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if err != nil {
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return nil, fmt.Errorf("new proxy http client failed: %w", err)
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}
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return client.Do(req)
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}
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func (a *TaskAdaptor) ParseTaskResult(respBody []byte) (*relaycommon.TaskInfo, error) {
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var op operationResponse
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if err := common.Unmarshal(respBody, &op); err != nil {
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return nil, fmt.Errorf("unmarshal operation response failed: %w", err)
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}
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ti := &relaycommon.TaskInfo{}
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if op.Error.Message != "" {
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ti.Status = model.TaskStatusFailure
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ti.Reason = op.Error.Message
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ti.Progress = "100%"
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return ti, nil
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}
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if !op.Done {
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ti.Status = model.TaskStatusInProgress
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ti.Progress = "50%"
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return ti, nil
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}
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ti.Status = model.TaskStatusSuccess
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ti.Progress = "100%"
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ti.TaskID = taskcommon.EncodeLocalTaskID(op.Name)
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if len(op.Response.GenerateVideoResponse.GeneratedVideos) > 0 {
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if uri := op.Response.GenerateVideoResponse.GeneratedVideos[0].Video.URI; uri != "" {
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ti.RemoteUrl = uri
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}
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}
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return ti, nil
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}
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func (a *TaskAdaptor) ConvertToOpenAIVideo(task *model.Task) ([]byte, error) {
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upstreamTaskID := task.GetUpstreamTaskID()
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upstreamName, err := taskcommon.DecodeLocalTaskID(upstreamTaskID)
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if err != nil {
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upstreamName = ""
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}
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modelName := extractModelFromOperationName(upstreamName)
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if strings.TrimSpace(modelName) == "" {
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modelName = "veo-3.0-generate-001"
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}
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video := dto.NewOpenAIVideo()
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video.ID = task.TaskID
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video.Model = modelName
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video.Status = task.Status.ToVideoStatus()
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video.SetProgressStr(task.Progress)
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video.CreatedAt = task.CreatedAt
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if task.FinishTime > 0 {
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video.CompletedAt = task.FinishTime
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} else if task.UpdatedAt > 0 {
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video.CompletedAt = task.UpdatedAt
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}
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return common.Marshal(video)
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}
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// ============================
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// helpers
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// ============================
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var modelRe = regexp.MustCompile(`models/([^/]+)/operations/`)
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func extractModelFromOperationName(name string) string {
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if name == "" {
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return ""
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}
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if m := modelRe.FindStringSubmatch(name); len(m) == 2 {
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return m[1]
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}
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if idx := strings.Index(name, "models/"); idx >= 0 {
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s := name[idx+len("models/"):]
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if p := strings.Index(s, "/operations/"); p > 0 {
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return s[:p]
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}
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}
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return ""
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}
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138
relay/channel/task/gemini/billing.go
Normal file
138
relay/channel/task/gemini/billing.go
Normal file
@@ -0,0 +1,138 @@
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package gemini
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import (
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"strconv"
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"strings"
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)
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// ParseVeoDurationSeconds extracts durationSeconds from metadata.
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// Returns 8 (Veo default) when not specified or invalid.
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func ParseVeoDurationSeconds(metadata map[string]any) int {
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if metadata == nil {
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return 8
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}
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v, ok := metadata["durationSeconds"]
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if !ok {
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return 8
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}
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switch n := v.(type) {
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case float64:
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if int(n) > 0 {
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return int(n)
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}
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case int:
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if n > 0 {
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return n
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}
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}
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return 8
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}
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// ParseVeoResolution extracts resolution from metadata.
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// Returns "720p" when not specified.
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func ParseVeoResolution(metadata map[string]any) string {
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if metadata == nil {
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return "720p"
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}
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v, ok := metadata["resolution"]
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if !ok {
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return "720p"
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}
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if s, ok := v.(string); ok && s != "" {
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return strings.ToLower(s)
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}
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return "720p"
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}
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// ResolveVeoDuration returns the effective duration in seconds.
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// Priority: metadata["durationSeconds"] > stdDuration > stdSeconds > default (8).
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func ResolveVeoDuration(metadata map[string]any, stdDuration int, stdSeconds string) int {
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if metadata != nil {
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if _, exists := metadata["durationSeconds"]; exists {
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if d := ParseVeoDurationSeconds(metadata); d > 0 {
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return d
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}
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}
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}
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if stdDuration > 0 {
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return stdDuration
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}
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if s, err := strconv.Atoi(stdSeconds); err == nil && s > 0 {
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return s
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}
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return 8
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}
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// ResolveVeoResolution returns the effective resolution string (lowercase).
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// Priority: metadata["resolution"] > SizeToVeoResolution(stdSize) > default ("720p").
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func ResolveVeoResolution(metadata map[string]any, stdSize string) string {
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if metadata != nil {
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if _, exists := metadata["resolution"]; exists {
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if r := ParseVeoResolution(metadata); r != "" {
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return r
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}
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}
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}
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if stdSize != "" {
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return SizeToVeoResolution(stdSize)
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}
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return "720p"
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}
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// SizeToVeoResolution converts a "WxH" size string to a Veo resolution label.
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func SizeToVeoResolution(size string) string {
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parts := strings.SplitN(strings.ToLower(size), "x", 2)
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if len(parts) != 2 {
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return "720p"
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}
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w, _ := strconv.Atoi(parts[0])
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h, _ := strconv.Atoi(parts[1])
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maxDim := w
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if h > maxDim {
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maxDim = h
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}
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if maxDim >= 3840 {
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return "4k"
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}
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if maxDim >= 1920 {
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return "1080p"
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}
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return "720p"
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}
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// SizeToVeoAspectRatio converts a "WxH" size string to a Veo aspect ratio.
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func SizeToVeoAspectRatio(size string) string {
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parts := strings.SplitN(strings.ToLower(size), "x", 2)
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if len(parts) != 2 {
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return "16:9"
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}
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w, _ := strconv.Atoi(parts[0])
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h, _ := strconv.Atoi(parts[1])
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if w <= 0 || h <= 0 {
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return "16:9"
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}
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if h > w {
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return "9:16"
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}
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return "16:9"
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}
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// VeoResolutionRatio returns the pricing multiplier for the given resolution.
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// Standard resolutions (720p, 1080p) return 1.0.
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// 4K returns a model-specific multiplier based on Google's official pricing.
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func VeoResolutionRatio(modelName, resolution string) float64 {
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if resolution != "4k" {
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return 1.0
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}
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// 4K multipliers derived from Vertex AI official pricing (video+audio base):
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// veo-3.1-generate: $0.60 / $0.40 = 1.5
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// veo-3.1-fast-generate: $0.35 / $0.15 ≈ 2.333
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// Veo 3.0 models do not support 4K; return 1.0 as fallback.
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if strings.Contains(modelName, "3.1-fast-generate") {
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return 2.333333
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}
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if strings.Contains(modelName, "3.1-generate") || strings.Contains(modelName, "3.1") {
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return 1.5
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}
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return 1.0
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}
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71
relay/channel/task/gemini/dto.go
Normal file
71
relay/channel/task/gemini/dto.go
Normal file
@@ -0,0 +1,71 @@
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package gemini
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// VeoImageInput represents an image input for Veo image-to-video.
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// Used by both Gemini and Vertex adaptors.
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type VeoImageInput struct {
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BytesBase64Encoded string `json:"bytesBase64Encoded"`
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MimeType string `json:"mimeType"`
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}
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// VeoInstance represents a single instance in the Veo predictLongRunning request.
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type VeoInstance struct {
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Prompt string `json:"prompt"`
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Image *VeoImageInput `json:"image,omitempty"`
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// TODO: support referenceImages (style/asset references, up to 3 images)
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// TODO: support lastFrame (first+last frame interpolation, Veo 3.1)
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}
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// VeoParameters represents the parameters block for Veo predictLongRunning.
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type VeoParameters struct {
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SampleCount int `json:"sampleCount"`
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DurationSeconds int `json:"durationSeconds,omitempty"`
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||||
AspectRatio string `json:"aspectRatio,omitempty"`
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Resolution string `json:"resolution,omitempty"`
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NegativePrompt string `json:"negativePrompt,omitempty"`
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||||
PersonGeneration string `json:"personGeneration,omitempty"`
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||||
StorageUri string `json:"storageUri,omitempty"`
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||||
CompressionQuality string `json:"compressionQuality,omitempty"`
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||||
ResizeMode string `json:"resizeMode,omitempty"`
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||||
Seed *int `json:"seed,omitempty"`
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||||
GenerateAudio *bool `json:"generateAudio,omitempty"`
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||||
}
|
||||
|
||||
// VeoRequestPayload is the top-level request body for the Veo
|
||||
// predictLongRunning endpoint (used by both Gemini and Vertex).
|
||||
type VeoRequestPayload struct {
|
||||
Instances []VeoInstance `json:"instances"`
|
||||
Parameters *VeoParameters `json:"parameters,omitempty"`
|
||||
}
|
||||
|
||||
type submitResponse struct {
|
||||
Name string `json:"name"`
|
||||
}
|
||||
|
||||
type operationVideo struct {
|
||||
MimeType string `json:"mimeType"`
|
||||
BytesBase64Encoded string `json:"bytesBase64Encoded"`
|
||||
Encoding string `json:"encoding"`
|
||||
}
|
||||
|
||||
type operationResponse struct {
|
||||
Name string `json:"name"`
|
||||
Done bool `json:"done"`
|
||||
Response struct {
|
||||
Type string `json:"@type"`
|
||||
RaiMediaFilteredCount int `json:"raiMediaFilteredCount"`
|
||||
Videos []operationVideo `json:"videos"`
|
||||
BytesBase64Encoded string `json:"bytesBase64Encoded"`
|
||||
Encoding string `json:"encoding"`
|
||||
Video string `json:"video"`
|
||||
GenerateVideoResponse struct {
|
||||
GeneratedVideos []struct {
|
||||
Video struct {
|
||||
URI string `json:"uri"`
|
||||
} `json:"video"`
|
||||
} `json:"generatedVideos"`
|
||||
} `json:"generateVideoResponse"`
|
||||
} `json:"response"`
|
||||
Error struct {
|
||||
Message string `json:"message"`
|
||||
} `json:"error"`
|
||||
}
|
||||
100
relay/channel/task/gemini/image.go
Normal file
100
relay/channel/task/gemini/image.go
Normal file
@@ -0,0 +1,100 @@
|
||||
package gemini
|
||||
|
||||
import (
|
||||
"encoding/base64"
|
||||
"io"
|
||||
"net/http"
|
||||
"strings"
|
||||
|
||||
"github.com/QuantumNous/new-api/constant"
|
||||
relaycommon "github.com/QuantumNous/new-api/relay/common"
|
||||
"github.com/gin-gonic/gin"
|
||||
)
|
||||
|
||||
const maxVeoImageSize = 20 * 1024 * 1024 // 20 MB
|
||||
|
||||
// ExtractMultipartImage reads the first `input_reference` file from a multipart
|
||||
// form upload and returns a VeoImageInput. Returns nil if no file is present.
|
||||
func ExtractMultipartImage(c *gin.Context, info *relaycommon.RelayInfo) *VeoImageInput {
|
||||
mf, err := c.MultipartForm()
|
||||
if err != nil {
|
||||
return nil
|
||||
}
|
||||
files, exists := mf.File["input_reference"]
|
||||
if !exists || len(files) == 0 {
|
||||
return nil
|
||||
}
|
||||
fh := files[0]
|
||||
if fh.Size > maxVeoImageSize {
|
||||
return nil
|
||||
}
|
||||
file, err := fh.Open()
|
||||
if err != nil {
|
||||
return nil
|
||||
}
|
||||
defer file.Close()
|
||||
|
||||
fileBytes, err := io.ReadAll(file)
|
||||
if err != nil {
|
||||
return nil
|
||||
}
|
||||
|
||||
mimeType := fh.Header.Get("Content-Type")
|
||||
if mimeType == "" || mimeType == "application/octet-stream" {
|
||||
mimeType = http.DetectContentType(fileBytes)
|
||||
}
|
||||
|
||||
info.Action = constant.TaskActionGenerate
|
||||
return &VeoImageInput{
|
||||
BytesBase64Encoded: base64.StdEncoding.EncodeToString(fileBytes),
|
||||
MimeType: mimeType,
|
||||
}
|
||||
}
|
||||
|
||||
// ParseImageInput parses an image string (data URI or raw base64) into a
|
||||
// VeoImageInput. Returns nil if the input is empty or invalid.
|
||||
// TODO: support downloading HTTP URL images and converting to base64
|
||||
func ParseImageInput(imageStr string) *VeoImageInput {
|
||||
imageStr = strings.TrimSpace(imageStr)
|
||||
if imageStr == "" {
|
||||
return nil
|
||||
}
|
||||
|
||||
if strings.HasPrefix(imageStr, "data:") {
|
||||
return parseDataURI(imageStr)
|
||||
}
|
||||
|
||||
raw, err := base64.StdEncoding.DecodeString(imageStr)
|
||||
if err != nil {
|
||||
return nil
|
||||
}
|
||||
return &VeoImageInput{
|
||||
BytesBase64Encoded: imageStr,
|
||||
MimeType: http.DetectContentType(raw),
|
||||
}
|
||||
}
|
||||
|
||||
func parseDataURI(uri string) *VeoImageInput {
|
||||
// data:image/png;base64,iVBOR...
|
||||
rest := uri[len("data:"):]
|
||||
idx := strings.Index(rest, ",")
|
||||
if idx < 0 {
|
||||
return nil
|
||||
}
|
||||
meta := rest[:idx]
|
||||
b64 := rest[idx+1:]
|
||||
if b64 == "" {
|
||||
return nil
|
||||
}
|
||||
|
||||
mimeType := "application/octet-stream"
|
||||
parts := strings.SplitN(meta, ";", 2)
|
||||
if len(parts) >= 1 && parts[0] != "" {
|
||||
mimeType = parts[0]
|
||||
}
|
||||
|
||||
return &VeoImageInput{
|
||||
BytesBase64Encoded: b64,
|
||||
MimeType: mimeType,
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user