mirror of
https://github.com/QuantumNous/new-api.git
synced 2026-03-30 04:22:58 +00:00
398 lines
13 KiB
Go
398 lines
13 KiB
Go
package ali
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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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"strings"
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"github.com/QuantumNous/new-api/common"
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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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relaycommon "github.com/QuantumNous/new-api/relay/common"
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"github.com/QuantumNous/new-api/service"
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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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// Request / Response structures
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// ============================
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// AliVideoRequest 阿里通义万相视频生成请求
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type AliVideoRequest struct {
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Model string `json:"model"`
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Input AliVideoInput `json:"input"`
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Parameters *AliVideoParameters `json:"parameters,omitempty"`
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}
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// AliVideoInput 视频输入参数
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type AliVideoInput struct {
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Prompt string `json:"prompt,omitempty"` // 文本提示词
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ImgURL string `json:"img_url,omitempty"` // 首帧图像URL或Base64（图生视频）
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FirstFrameURL string `json:"first_frame_url,omitempty"` // 首帧图片URL（首尾帧生视频）
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LastFrameURL string `json:"last_frame_url,omitempty"` // 尾帧图片URL（首尾帧生视频）
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AudioURL string `json:"audio_url,omitempty"` // 音频URL（wan2.5支持）
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NegativePrompt string `json:"negative_prompt,omitempty"` // 反向提示词
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Template string `json:"template,omitempty"` // 视频特效模板
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}
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// AliVideoParameters 视频参数
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type AliVideoParameters struct {
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Resolution string `json:"resolution,omitempty"` // 分辨率: 480P/720P/1080P（图生视频、首尾帧生视频）
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Size string `json:"size,omitempty"` // 尺寸: 如 "832*480"（文生视频）
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Duration int `json:"duration,omitempty"` // 时长: 3-10秒
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PromptExtend bool `json:"prompt_extend,omitempty"` // 是否开启prompt智能改写
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Watermark bool `json:"watermark,omitempty"` // 是否添加水印
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Audio *bool `json:"audio,omitempty"` // 是否添加音频（wan2.5）
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Seed int `json:"seed,omitempty"` // 随机数种子
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}
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// AliVideoResponse 阿里通义万相响应
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type AliVideoResponse struct {
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Output AliVideoOutput `json:"output"`
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RequestID string `json:"request_id"`
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Code string `json:"code,omitempty"`
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Message string `json:"message,omitempty"`
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Usage *AliUsage `json:"usage,omitempty"`
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}
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// AliVideoOutput 输出信息
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type AliVideoOutput struct {
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TaskID string `json:"task_id"`
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TaskStatus string `json:"task_status"`
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SubmitTime string `json:"submit_time,omitempty"`
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ScheduledTime string `json:"scheduled_time,omitempty"`
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EndTime string `json:"end_time,omitempty"`
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OrigPrompt string `json:"orig_prompt,omitempty"`
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ActualPrompt string `json:"actual_prompt,omitempty"`
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VideoURL string `json:"video_url,omitempty"`
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Code string `json:"code,omitempty"`
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Message string `json:"message,omitempty"`
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}
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// AliUsage 使用统计
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type AliUsage struct {
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Duration int `json:"duration,omitempty"`
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VideoCount int `json:"video_count,omitempty"`
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SR int `json:"SR,omitempty"`
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}
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type AliMetadata struct {
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// Input 相关
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AudioURL string `json:"audio_url,omitempty"` // 音频URL
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ImgURL string `json:"img_url,omitempty"` // 图片URL（图生视频）
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FirstFrameURL string `json:"first_frame_url,omitempty"` // 首帧图片URL（首尾帧生视频）
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LastFrameURL string `json:"last_frame_url,omitempty"` // 尾帧图片URL（首尾帧生视频）
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NegativePrompt string `json:"negative_prompt,omitempty"` // 反向提示词
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Template string `json:"template,omitempty"` // 视频特效模板
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// Parameters 相关
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Resolution *string `json:"resolution,omitempty"` // 分辨率: 480P/720P/1080P
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Size *string `json:"size,omitempty"` // 尺寸: 如 "832*480"
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Duration *int `json:"duration,omitempty"` // 时长
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PromptExtend *bool `json:"prompt_extend,omitempty"` // 是否开启prompt智能改写
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Watermark *bool `json:"watermark,omitempty"` // 是否添加水印
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Audio *bool `json:"audio,omitempty"` // 是否添加音频
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Seed *int `json:"seed,omitempty"` // 随机数种子
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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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ChannelType int
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apiKey string
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baseURL string
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aliReq *AliVideoRequest
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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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func (a *TaskAdaptor) ValidateRequestAndSetAction(c *gin.Context, info *relaycommon.RelayInfo) (taskErr *dto.TaskError) {
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// 阿里通义万相支持 JSON 格式，不使用 multipart
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var taskReq relaycommon.TaskSubmitReq
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if err := common.UnmarshalBodyReusable(c, &taskReq); err != nil {
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return service.TaskErrorWrapper(err, "unmarshal_task_request_failed", http.StatusBadRequest)
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}
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a.aliReq = a.convertToAliRequest(info, taskReq)
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return relaycommon.ValidateMultipartDirect(c, info)
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}
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func (a *TaskAdaptor) BuildRequestURL(info *relaycommon.RelayInfo) (string, error) {
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return fmt.Sprintf("%s/api/v1/services/aigc/video-generation/video-synthesis", a.baseURL), nil
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}
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// BuildRequestHeader sets required headers for Ali API
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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("Authorization", "Bearer "+a.apiKey)
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("X-DashScope-Async", "enable") // 阿里异步任务必须设置
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return nil
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}
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func (a *TaskAdaptor) BuildRequestBody(c *gin.Context, info *relaycommon.RelayInfo) (io.Reader, error) {
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bodyBytes, err := common.Marshal(a.aliReq)
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if err != nil {
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return nil, errors.Wrap(err, "marshal_ali_request_failed")
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}
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return bytes.NewReader(bodyBytes), nil
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}
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func (a *TaskAdaptor) convertToAliRequest(info *relaycommon.RelayInfo, req relaycommon.TaskSubmitReq) *AliVideoRequest {
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otherRatios := map[string]map[string]float64{
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"wan2.5-i2v-preview": {
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"480P": 1,
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"720P": 2,
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"1080P": 1 / 0.3,
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},
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"wan2.2-i2v-plus": {
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"480P": 1,
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"1080P": 0.7 / 0.14,
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},
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"wan2.2-kf2v-flash": {
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"480P": 1,
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"720P": 2,
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"1080P": 4.8,
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},
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"wan2.2-i2v-flash": {
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"480P": 1,
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"720P": 2,
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},
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"wan2.2-s2v": {
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"480P": 1,
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"720P": 0.9 / 0.5,
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},
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}
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aliReq := &AliVideoRequest{
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Model: req.Model,
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Input: AliVideoInput{
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Prompt: req.Prompt,
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ImgURL: req.InputReference,
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},
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Parameters: &AliVideoParameters{
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PromptExtend: true, // 默认开启智能改写
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Watermark: false,
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},
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}
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// 处理分辨率映射
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if req.Size != "" {
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resolution := strings.ToUpper(req.Size)
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// 支持 480p, 720p, 1080p 或 480P, 720P, 1080P
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if !strings.HasSuffix(resolution, "P") {
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resolution = resolution + "P"
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}
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aliReq.Parameters.Resolution = resolution
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} else {
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// 根据模型设置默认分辨率
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if strings.HasPrefix(req.Model, "wan2.5") {
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aliReq.Parameters.Resolution = "1080P"
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} else if strings.HasPrefix(req.Model, "wan2.2-i2v-flash") {
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aliReq.Parameters.Resolution = "720P"
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} else if strings.HasPrefix(req.Model, "wan2.2-i2v-plus") {
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aliReq.Parameters.Resolution = "1080P"
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} else {
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aliReq.Parameters.Resolution = "720P"
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}
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}
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// 处理时长
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if req.Duration > 0 {
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aliReq.Parameters.Duration = req.Duration
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} else {
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aliReq.Parameters.Duration = 5 // 默认5秒
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}
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// 从 metadata 中提取额外参数
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if req.Metadata != nil {
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if metadataBytes, err := common.Marshal(req.Metadata); err == nil {
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_ = common.Unmarshal(metadataBytes, aliReq)
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}
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}
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info.PriceData.OtherRatios = map[string]float64{
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"seconds": float64(aliReq.Parameters.Duration),
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//"size": 1,
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}
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if otherRatio, ok := otherRatios[req.Model]; ok {
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if ratio, ok := otherRatio[aliReq.Parameters.Resolution]; ok {
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info.PriceData.OtherRatios[fmt.Sprintf("resolution-%s", aliReq.Parameters.Resolution)] = ratio
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}
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}
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// println(fmt.Sprintf("other ratios: %v", info.PriceData.OtherRatios))
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return aliReq
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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
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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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taskErr = service.TaskErrorWrapper(err, "read_response_body_failed", http.StatusInternalServerError)
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return
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}
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_ = resp.Body.Close()
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// 解析阿里响应
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var aliResp AliVideoResponse
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if err := common.Unmarshal(responseBody, &aliResp); err != nil {
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taskErr = service.TaskErrorWrapper(errors.Wrapf(err, "body: %s", responseBody), "unmarshal_response_body_failed", http.StatusInternalServerError)
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return
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}
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// 检查错误
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if aliResp.Code != "" {
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taskErr = service.TaskErrorWrapper(fmt.Errorf("%s: %s", aliResp.Code, aliResp.Message), "ali_api_error", resp.StatusCode)
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return
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}
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if aliResp.Output.TaskID == "" {
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taskErr = service.TaskErrorWrapper(fmt.Errorf("task_id is empty"), "invalid_response", http.StatusInternalServerError)
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return
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}
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// 转换为 OpenAI 格式响应
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openAIResp := dto.NewOpenAIVideo()
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openAIResp.ID = aliResp.Output.TaskID
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openAIResp.Model = c.GetString("model")
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if openAIResp.Model == "" && info != nil {
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openAIResp.Model = info.OriginModelName
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}
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openAIResp.Status = convertAliStatus(aliResp.Output.TaskStatus)
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openAIResp.CreatedAt = common.GetTimestamp()
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// 返回 OpenAI 格式
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c.JSON(http.StatusOK, openAIResp)
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return aliResp.Output.TaskID, responseBody, nil
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}
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// FetchTask 查询任务状态
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func (a *TaskAdaptor) FetchTask(baseUrl, key string, body map[string]any) (*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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uri := fmt.Sprintf("%s/api/v1/tasks/%s", baseUrl, taskID)
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req, err := http.NewRequest(http.MethodGet, uri, 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("Authorization", "Bearer "+key)
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return service.GetHttpClient().Do(req)
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}
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func (a *TaskAdaptor) GetModelList() []string {
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return ModelList
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}
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func (a *TaskAdaptor) GetChannelName() string {
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return ChannelName
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}
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// ParseTaskResult 解析任务结果
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func (a *TaskAdaptor) ParseTaskResult(respBody []byte) (*relaycommon.TaskInfo, error) {
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var aliResp AliVideoResponse
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if err := common.Unmarshal(respBody, &aliResp); err != nil {
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return nil, errors.Wrap(err, "unmarshal task result failed")
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}
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taskResult := relaycommon.TaskInfo{
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Code: 0,
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}
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// 状态映射
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switch aliResp.Output.TaskStatus {
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case "PENDING":
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taskResult.Status = model.TaskStatusQueued
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case "RUNNING":
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taskResult.Status = model.TaskStatusInProgress
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case "SUCCEEDED":
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taskResult.Status = model.TaskStatusSuccess
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// 阿里直接返回视频URL，不需要额外的代理端点
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taskResult.Url = aliResp.Output.VideoURL
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case "FAILED", "CANCELED", "UNKNOWN":
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taskResult.Status = model.TaskStatusFailure
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if aliResp.Message != "" {
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taskResult.Reason = aliResp.Message
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} else if aliResp.Output.Message != "" {
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taskResult.Reason = fmt.Sprintf("task failed, code: %s , message: %s", aliResp.Output.Code, aliResp.Output.Message)
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} else {
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taskResult.Reason = "task failed"
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}
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default:
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taskResult.Status = model.TaskStatusQueued
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}
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return &taskResult, nil
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}
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func (a *TaskAdaptor) ConvertToOpenAIVideo(task *model.Task) ([]byte, error) {
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var aliResp AliVideoResponse
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if err := common.Unmarshal(task.Data, &aliResp); err != nil {
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return nil, errors.Wrap(err, "unmarshal ali response failed")
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}
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openAIResp := dto.NewOpenAIVideo()
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openAIResp.ID = task.TaskID
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openAIResp.Status = convertAliStatus(aliResp.Output.TaskStatus)
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openAIResp.Model = task.Properties.OriginModelName
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openAIResp.SetProgressStr(task.Progress)
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openAIResp.CreatedAt = task.CreatedAt
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openAIResp.CompletedAt = task.UpdatedAt
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// 设置视频URL（核心字段）
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openAIResp.SetMetadata("url", aliResp.Output.VideoURL)
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// 错误处理
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if aliResp.Code != "" {
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openAIResp.Error = &dto.OpenAIVideoError{
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Code: aliResp.Code,
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Message: aliResp.Message,
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}
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} else if aliResp.Output.Code != "" {
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openAIResp.Error = &dto.OpenAIVideoError{
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Code: aliResp.Output.Code,
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Message: aliResp.Output.Message,
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}
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}
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return common.Marshal(openAIResp)
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}
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func convertAliStatus(aliStatus string) string {
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switch aliStatus {
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case "PENDING":
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return dto.VideoStatusQueued
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case "RUNNING":
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return dto.VideoStatusInProgress
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case "SUCCEEDED":
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return dto.VideoStatusCompleted
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case "FAILED", "CANCELED", "UNKNOWN":
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return dto.VideoStatusFailed
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default:
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return dto.VideoStatusUnknown
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}
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}
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