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视频切片

描述

本接口用于对视频进行切片处理，支持按 GOP（Group of Pictures）切片和按帧索引切片两种模式，返回处理后的视频切片结果。

版本

1.0

图片要求

输入媒体为视频 URL。原始接口说明未提供视频格式、尺寸、文件大小或时长限制。

调用 URL

    正式环境：https://openapi.meitu.com
    任务提交接口：https://openapi.meitu.com/api/v1/sdk/sync/push
    任务名称(task)：/v1/pvg_video_tc/491344
    任务类型(task_type)：formula

调用方法

POST

Content-Type: application/json

权限

开放平台接口签名

请求参数

是否必选参数名类型参数说明
必选paramsstring算法参数（JSON 字符串）
必选init_imagesobject[]输入视频列表
必选taskstring固定 /v1/pvg_video_tc/491344
必选task_typestring固定 formula
可选sync_timeoutint默认 30，同步超时时间；按帧索引切片仅支持异步处理时传 -1

init_images 多媒体文件参数，结构说明如下

是否必选参数名类型参数说明
必选urlstring视频 URL 或 base64
必选profileobject属性信息描述

profile 属性信息描述

是否必选参数名类型参数说明
必选media_profilesobject媒体属性信息
必选versionstring固定 v1

media_profiles 媒体属性信息

是否必选参数名类型参数说明
必选media_data_typestringurl 表示 URL；对应视频类型表示 base64

params 推理参数是 JSON 字符串，其结构说明如下

是否必选字段类型说明
可选rsp_media_typestring默认 url；原文未说明其他可选值
必选parameterobject视频切片算法核心参数对象

parameter 算法参数详情

按 GOP 切片：

是否必选字段类型说明
可选repost_urlstring业务方提供的 POST 请求回调地址
必选tc_modestring固定 gop_slice
必选start_gop_numint起始 GOP 编号
必选end_gop_numint结束 GOP 编号
可选output_sfs_pathstring有值时将输出音频保存到指定共享磁盘目录；无值时上传到默认桶或指定桶
可选output_sfs_keystring保存到 SFS 的文件 key；无值时上传到默认桶或指定桶

按帧索引切片转码（仅支持异步接口）：

是否必选字段类型说明
必选repost_urlstring业务方提供的 POST 请求回调地址
必选start_frame_numint起始帧索引号，从 1 开始，范围 [1, max(视频帧)]
必选end_frame_numint结束帧索引号，从 1 开始，范围 [1, max(视频帧)]
必选encode_fpsint帧率，默认 30，建议按原始视频帧率传递
必选tc_modestringsegment_abr_0（平均码率）或 segment_crf_1（动态码率），推荐 segment_abr_0

输入值示例

按 GOP 切片：

{
  "task": "/v1/pvg_video_tc/491344",
  "task_type": "formula",
  "init_images": [
    {
      "url": "https://obs.mtlab.meitu.com/public/EtRGxLI8ulQ43pGhuZfym9aYUD2PUbMP/MTc3OTM2MTIwMA==/34252f68-76bc-4a31-6829-6981765af226.mp4",
      "profile": {
        "media_profiles": {
          "media_data_type": "url"
        },
        "version": "v1"
      }
    }
  ],
  "params": "{\"rsp_media_type\":\"url\",\"parameter\":{\"tc_mode\":\"gop_slice\",\"start_gop_num\":1,\"end_gop_num\":2}}",
  "sync_timeout": 30
}

按帧索引切片转码：

{
  "task": "/v1/pvg_video_tc/491344",
  "task_type": "formula",
  "init_images": [
    {
      "url": "https://obs.mtlab.meitu.com/public/EtRGxLI8ulQ43pGhuZfym9aYUD2PUbMP/MTc3OTM2MTIwMA==/34252f68-76bc-4a31-6829-6981765af226.mp4",
      "profile": {
        "media_profiles": {
          "media_data_type": "url"
        },
        "version": "v1"
      }
    }
  ],
  "params": "{\"rsp_media_type\":\"url\",\"parameter\":{\"repost_url\":\"https://example.com/video-slice/callback\",\"start_frame_num\":1,\"end_frame_num\":120,\"encode_fps\":30,\"tc_mode\":\"segment_abr_0\"}}",
  "sync_timeout": -1
}

返回值说明

注意，生成的结果，会定期清理，请及时下载保存
字段类型说明
request_idstring请求标识
trace_idstring链路追踪标识
codeint业务状态码，0 表示请求受理成功
error_codeint错误码，成功时为 0
messagestring业务信息
tipsany补充提示，可为 null
dataobject任务状态和算法结果

data 中单个元素的字段说明

字段类型说明
statusint状态码：-1 未找到任务；0 创建成功；1 执行中；2 失败；9 超时，使用查询接口查询；10 成功
resultobject视频切片算法结果
progressnumber任务进度
predict_elapsedint预计耗时，毫秒
create_timeint64创建时间戳，毫秒
task_idstring任务 ID
custom_task_idstring客户自定义任务 ID
trace_idstringdata 内链路标识
client_infostring客户端信息
init_imagesobject[]/null输入媒体回显

result 中单个元素的字段说明

字段类型说明
idstring任务唯一标识
urlsstring[]输出结果媒体 URL 列表
imagesstring[]输出媒体列表，与 urls 含义一致
parametersobject算法参数和环境信息
dataobject算法返回的详细数据
msgstring返回信息
msg_idstring消息 ID
mtlab_resobject算法底层返回结果
media_info_listobject[]输出媒体信息列表

result.data 字段说明

字段类型说明
durationobject各阶段耗时统计
error_codeint算法错误码，0 表示成功
error_msgstring算法错误信息
extraobject扩展字段
media_info_listobject[]媒体信息列表
msg_idstring消息 ID
parameterobject参数回显

duration 字段说明

字段类型说明
alg_process_timenumber算法处理耗时，毫秒
created_timestampnumber任务创建时间戳，秒
pull_timestampnumber拉取资源时间戳，秒
repost_timenumber重试耗时
upload_timenumber上传耗时，毫秒
waiting_timenumber排队等待耗时，毫秒

media_info_list 元素说明

字段类型说明
media_datastring媒体数据地址
media_extraobject媒体扩展信息
media_profilesobject媒体属性信息

media_profiles 字段说明（按 GOP 切片返回）

字段类型说明
media_data_typestringurl 表示媒体数据为 URL
start_frame_numnumber起始帧号
end_frame_numnumber结束帧号
ret_frame_numnumber输出视频帧数
ret_gop_numnumber输出 GOP 数
ret_video_fpsnumber输出视频帧率
ret_video_widthnumber输出视频宽度
ret_video_heightnumber输出视频高度
ret_video_typestring视频编码类型，例如 h264
fn_cost_timenumber切片处理耗时，秒
fn_work_dirstring切片工作目录
ret_file_sizenumber输出文件大小，字节
rsp_media_url_typestring返回媒体类型，例如 mp4
upload_2_flagstring上传标记，tmp_upload 表示临时上传
upload_costnumber上传耗时，秒
upload_cost_framenumber按帧上传耗时，秒

parameters 与 result.data.parameter 字段说明

字段类型说明
app_versionstring应用版本号
container_available_zonestring可用区域
download_costnumber下载耗时，毫秒
pvg_versionstringPVG 版本号
rsp_media_typestring返回媒体类型，url 表示返回 URL

mtlab_res 字段说明

字段类型说明
ErrorCodenumber底层错误码
ErrorMsgstring底层错误信息
error_codenumber错误码兼容字段
error_msgstring错误信息兼容字段
media_info_listobject[]/null媒体信息列表
msg_idstring消息 ID
parameterobject/null参数信息

当前 API 特有的错误代码与信息

ErrorCode 状态代码错误信息说明
20001PROCESS_ERROR处理错误

返回值示例

请求成功返回示例

{
  "request_id": "",
  "trace_id": "",
  "code": 0,
  "error_code": 0,
  "message": "success",
  "tips": null,
  "data": {
    "status": 10,
    "result": {
      "id": "t_mt1a3i5n7bb13bac96-0d76-4297-9bcb-c47403840e93",
      "urls": [
        "https://obs-large.mtlab.meitu.com/mtopen/ff56d688358849259556be0f50065a60/25fa22ba-8c0d-41fe-50a7-a978f38e5cee.mp4"
      ],
      "images": [
        "https://obs-large.mtlab.meitu.com/mtopen/ff56d688358849259556be0f50065a60/25fa22ba-8c0d-41fe-50a7-a978f38e5cee.mp4"
      ],
      "parameters": {
        "app_version": "1.1.23",
        "container_available_zone": "bj-alibjop0",
        "download_cost": 217,
        "pvg_version": "10.0.0.2.213",
        "rsp_media_type": "url"
      },
      "data": {
        "duration": {
          "alg_process_time": 281,
          "created_timestamp": 1779445581,
          "pull_timestamp": 1779445581,
          "repost_time": 0,
          "upload_time": 125,
          "waiting_time": 32
        },
        "error_code": 0,
        "error_msg": "success",
        "extra": {},
        "media_info_list": [
          {
            "media_data": "https://obs-large.mtlab.meitu.com/mtopen/ff56d688358849259556be0f50065a60/25fa22ba-8c0d-41fe-50a7-a978f38e5cee.mp4",
            "media_extra": {},
            "media_profiles": {
              "end_frame_num": 2,
              "fn_cost_time": 0.28,
              "fn_work_dir": "/tmp/slice/f26a132f-daa7-4c6a-4e73-r009ce57aaa4",
              "media_data_type": "url",
              "ret_file_size": 2419909,
              "ret_frame_num": 152,
              "ret_gop_num": 1,
              "ret_video_fps": 19,
              "ret_video_height": 1280,
              "ret_video_type": "h264",
              "ret_video_width": 720,
              "rsp_media_url_type": "mp4",
              "start_frame_num": 1,
              "upload_2_flag": "tmp_upload",
              "upload_cost": 1,
              "upload_cost_frame": 0
            }
          }
        ],
        "msg_id": "f26a132f-daa7-4c6a-4e73-r009ce57aaa4",
        "parameter": {
          "app_version": "1.1.23",
          "container_available_zone": "bj-alibjop0",
          "download_cost": 217,
          "pvg_version": "10.0.0.2.213",
          "rsp_media_type": "url"
        }
      },
      "msg": "success",
      "msg_id": "f26a132f-daa7-4c6a-4e73-r009ce57aaa4",
      "mtlab_res": {
        "ErrorCode": 0,
        "ErrorMsg": "",
        "error_code": 0,
        "error_msg": "",
        "media_info_list": null,
        "msg_id": "f26a132f-daa7-4c6a-4e73-r009ce57aaa4",
        "parameter": null
      },
      "media_info_list": [
        {
          "media_data": "https://obs-large.mtlab.meitu.com/mtopen/ff56d688358849259556be0f50065a60/25fa22ba-8c0d-41fe-50a7-a978f38e5cee.mp4",
          "media_extra": {},
          "media_profiles": {
            "end_frame_num": 2,
            "fn_cost_time": 0.28,
            "fn_work_dir": "/tmp/slice/f26a132f-daa7-4c6a-4e73-r009ce57aaa4",
            "media_data_type": "url",
            "ret_file_size": 2419909,
            "ret_frame_num": 152,
            "ret_gop_num": 1,
            "ret_video_fps": 19,
            "ret_video_height": 1280,
            "ret_video_type": "h264",
            "ret_video_width": 720,
            "rsp_media_url_type": "mp4",
            "start_frame_num": 1,
            "upload_2_flag": "tmp_upload",
            "upload_cost": 1,
            "upload_cost_frame": 0
          }
        }
      ]
    },
    "progress": 1,
    "predict_elapsed": 10000,
    "create_time": 1779445581190,
    "task_id": "t_mt1a3i5n7bb13bac96-0d76-4297-9bcb-c47403840e93",
    "custom_task_id": "",
    "trace_id": "",
    "client_info": "",
    "init_images": null
  }
}

需要查询返回示例

使用 查询接口 接口查询

Response Status：200

content-type 为 application/json; charset=utf-8

{
  "request_id": "",
  "trace_id": "",
  "code": 0,
  "error_code": 0,
  "message": "success",
  "tips": null,
  "data": {
    "status": 9,
    "result": {},
    "progress": 0,
    "predict_elapsed": 10000,
    "create_time": 1779445581190,
    "task_id": "t_mt1a3i5n7bb13bac96-0d76-4297-9bcb-c47403840e93",
    "custom_task_id": "",
    "trace_id": "",
    "client_info": "",
    "init_images": null
  }
}

请求失败返回示例

Response Status：400

content-type 为 application/json; charset=utf-8

{
  "request_id": "",
  "trace_id": "",
  "code": 20001,
  "error_code": 20001,
  "message": "PROCESS_ERROR",
  "tips": null,
  "data": {
    "status": 2,
    "result": {
      "error_code": 20001,
      "error_msg": "PROCESS_ERROR"
    },
    "progress": 0,
    "predict_elapsed": 0,
    "create_time": 1779445581190,
    "task_id": "t_mt1a3i5n7bb13bac96-0d76-4297-9bcb-c47403840e93",
    "custom_task_id": "",
    "trace_id": "",
    "client_info": "",
    "init_images": null
  }
}

通用的错误代码与信息

详见 API 错误码

SDK 调用示例

Python

import json

import requests
from sign_sdk import sign

def api_call_example():
    key = "your_api_key"
    secret = "your_api_secret"
    url = "https://openapi.meitu.com/api/v1/sdk/sync/push"
    method = "POST"

    headers = {
        "Content-Type": "application/json",
        sign.HeaderHost: "openapi.meitu.com",
    }
    inner_params = {
        "rsp_media_type": "url",
        "parameter": {
            "tc_mode": "gop_slice",
            "start_gop_num": 1,
            "end_gop_num": 2,
        },
    }
    payload = {
        "task": "/v1/pvg_video_tc/491344",
        "task_type": "formula",
        "init_images": [
            {
                "url": "https://obs.mtlab.meitu.com/public/EtRGxLI8ulQ43pGhuZfym9aYUD2PUbMP/MTc3OTM2MTIwMA==/34252f68-76bc-4a31-6829-6981765af226.mp4",
                "profile": {
                    "media_profiles": {"media_data_type": "url"},
                    "version": "v1",
                },
            }
        ],
        "params": json.dumps(inner_params, ensure_ascii=False),
        "sync_timeout": 30,
    }
    body = json.dumps(payload, ensure_ascii=False)

    signer = sign.Signer(key, secret)
    signed_request = signer.sign(url, method, headers, body)
    response = requests.Session().send(signed_request)
    print(f"Status: {response.status_code}")
    print(f"Response: {response.text}")

if __name__ == "__main__":
    api_call_example()

Go

package main

import (
	"fmt"
	"io"
	"net/http"

	"github.com/mtlab/api/signer"
)

func main() {
	key := "your_api_key"
	secret := "your_api_secret"
	signObj := signer.NewSigner(key, secret)

	url := "https://openapi.meitu.com/api/v1/sdk/sync/push"
	method := http.MethodPost
	headers := make(http.Header)
	headers.Set(signer.HeaderHost, "openapi.meitu.com")
	headers.Set("Content-Type", "application/json")

	body := `{
  "task": "/v1/pvg_video_tc/491344",
  "task_type": "formula",
  "init_images": [{
    "url": "https://obs.mtlab.meitu.com/public/EtRGxLI8ulQ43pGhuZfym9aYUD2PUbMP/MTc3OTM2MTIwMA==/34252f68-76bc-4a31-6829-6981765af226.mp4",
    "profile": {
      "media_profiles": {"media_data_type": "url"},
      "version": "v1"
    }
  }],
  "params": "{\"rsp_media_type\":\"url\",\"parameter\":{\"tc_mode\":\"gop_slice\",\"start_gop_num\":1,\"end_gop_num\":2}}",
  "sync_timeout": 30
}`

	req, err := signObj.Sign(url, method, headers, body)
	if err != nil {
		fmt.Println("Failed to sign request:", err)
		return
	}

	resp, err := http.DefaultClient.Do(req)
	if err != nil {
		fmt.Println("Failed to send request:", err)
		return
	}
	defer resp.Body.Close()

	responseBody, err := io.ReadAll(resp.Body)
	if err != nil {
		fmt.Println("Read response failed:", err)
		return
	}
	fmt.Println("Response:", resp.StatusCode, string(responseBody))
}

PHP

<?php
require 'signer.php';

$key = 'your_api_key';
$secret = 'your_api_secret';
$signer = new Signer($key, $secret);

$url = 'https://openapi.meitu.com/api/v1/sdk/sync/push';
$method = 'POST';
$headers = ['Content-Type' => 'application/json'];

$innerParams = json_encode([
    'rsp_media_type' => 'url',
    'parameter' => [
        'tc_mode' => 'gop_slice',
        'start_gop_num' => 1,
        'end_gop_num' => 2,
    ],
]);

$body = json_encode([
    'task' => '/v1/pvg_video_tc/491344',
    'task_type' => 'formula',
    'init_images' => [
        [
            'url' => 'https://obs.mtlab.meitu.com/public/EtRGxLI8ulQ43pGhuZfym9aYUD2PUbMP/MTc3OTM2MTIwMA==/34252f68-76bc-4a31-6829-6981765af226.mp4',
            'profile' => [
                'media_profiles' => ['media_data_type' => 'url'],
                'version' => 'v1',
            ],
        ],
    ],
    'params' => $innerParams,
    'sync_timeout' => 30,
]);

$curl = $signer->sign($url, $method, $headers, $body);
$response = curl_exec($curl);
$status = curl_getinfo($curl, CURLINFO_HTTP_CODE);

if ($status === 0) {
    echo 'Error: ' . curl_error($curl);
} else {
    echo "Status: {$status}\n";
    echo "Response: {$response}\n";
}
curl_close($curl);
?>

Java

package com.meitu.openai.common;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.util.HashMap;
import java.util.Map;

public class Main {
    public static void main(String[] args) throws Exception {
        Signer signer = new Signer("your_api_key", "your_api_secret");
        String url = "https://openapi.meitu.com/api/v1/sdk/sync/push";
        String method = "POST";

        Map<String, String> headers = new HashMap<>();
        headers.put("Content-Type", "application/json");
        headers.put(Signer.HeaderHost, "openapi.meitu.com");

        String body = "{\n" +
                "  \"task\": \"/v1/pvg_video_tc/491344\",\n" +
                "  \"task_type\": \"formula\",\n" +
                "  \"init_images\": [{\n" +
                "    \"url\": \"https://obs.mtlab.meitu.com/public/EtRGxLI8ulQ43pGhuZfym9aYUD2PUbMP/MTc3OTM2MTIwMA==/34252f68-76bc-4a31-6829-6981765af226.mp4\",\n" +
                "    \"profile\": {\n" +
                "      \"media_profiles\": {\"media_data_type\": \"url\"},\n" +
                "      \"version\": \"v1\"\n" +
                "    }\n" +
                "  }],\n" +
                "  \"params\": \"{\\\"rsp_media_type\\\":\\\"url\\\",\\\"parameter\\\":{\\\"tc_mode\\\":\\\"gop_slice\\\",\\\"start_gop_num\\\":1,\\\"end_gop_num\\\":2}}\",\n" +
                "  \"sync_timeout\": 30\n" +
                "}";

        Map<String, String> signedHeaders = signer.sign(url, method, headers, body);
        HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();
        connection.setRequestMethod(method);
        for (Map.Entry<String, String> entry : signedHeaders.entrySet()) {
            connection.setRequestProperty(entry.getKey(), entry.getValue());
        }
        connection.setDoOutput(true);
        connection.getOutputStream().write(body.getBytes(StandardCharsets.UTF_8));

        int status = connection.getResponseCode();
        InputStream stream = status >= 400
                ? connection.getErrorStream()
                : connection.getInputStream();
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(stream))) {
            StringBuilder response = new StringBuilder();
            String line;
            while ((line = reader.readLine()) != null) {
                response.append(line);
            }
            System.out.println("Response: " + status + " " + response);
        }
    }
}