{"id":9354,"date":"2024-07-01T16:12:39","date_gmt":"2024-07-01T08:12:39","guid":{"rendered":"\/?p=9354"},"modified":"2024-07-01T16:12:39","modified_gmt":"2024-07-01T08:12:39","slug":"ffmpeg%e9%97%ae%e9%a2%98-stream-map-1a-matches-no-streams","status":"publish","type":"post","link":"\/?p=9354","title":{"rendered":"ffmpeg\u95ee\u9898 Stream map ‘1:a’ matches no streams."},"content":{"rendered":"
Stream map '1:a' matches no streams. To ignore this, add a trailing '?' to the map. Failed to set value '1:a' for option 'map': Invalid argument Error parsing options for output file .\/tasks\/95a5be4a94364666babc652d7253747e\/output\/output.mp4. Error opening output files: Invalid argument<\/code><\/pre>\n
\u8fd9\u4e2a\u9519\u8bef\u4fe1\u606f\u8868\u660e ffmpeg<\/code> \u5728\u5c1d\u8bd5\u5c06\u7b2c\u4e8c\u4e2a\u8f93\u5165\u6587\u4ef6\u7684\u97f3\u9891\u6d41\u6620\u5c04\u5230\u8f93\u51fa\u6587\u4ef6\u65f6\u5931\u8d25\u4e86\uff0c\u56e0\u4e3a\u627e\u4e0d\u5230\u5bf9\u5e94\u7684\u97f3\u9891\u6d41\u3002\u8fd9\u53ef\u80fd\u662f\u56e0\u4e3a\u4f60\u7684\u97f3\u9891\u6587\u4ef6 female_test1.WAV<\/code> \u6ca1\u6709\u88ab\u6b63\u786e\u8bc6\u522b\u6216\u8005\u8f93\u5165\u6587\u4ef6\u5217\u8868\u4e2d\u7684\u7d22\u5f15\u6709\u8bef\u3002<\/p>\n
\u5728 ffmpeg<\/code> \u547d\u4ee4\u4e2d\uff0c\u6d41\u6620\u5c04\uff08-map<\/code>\uff09\u9009\u9879\u7528\u6765\u6307\u5b9a\u54ea\u4e9b\u8f93\u5165\u6d41\u5e94\u8be5\u88ab\u5305\u542b\u5728\u8f93\u51fa\u6587\u4ef6\u4e2d\u3002\u5728\u4f60\u7684\u4f8b\u5b50\u4e2d\uff0c-map 0<\/code> \u6307\u7684\u662f\u9009\u62e9\u7b2c\u4e00\u4e2a\u8f93\u5165\u6587\u4ef6\u7684\u6240\u6709\u6d41\uff08\u901a\u5e38\u662f\u4e00\u4e2a\u89c6\u9891\u6587\u4ef6\uff09\uff0c\u800c -map 1:a<\/code> \u5e94\u8be5\u662f\u7528\u6765\u9009\u62e9\u7b2c\u4e8c\u4e2a\u8f93\u5165\u6587\u4ef6\u7684\u97f3\u9891\u6d41\u3002<\/p>\n
\u7136\u800c\uff0c\u5982\u679c ffmpeg<\/code> \u62a5\u544a\u8bf4 "Stream map '1:a' matches no streams"\uff0c\u90a3\u4e48\u53ef\u80fd\u662f\u4ee5\u4e0b\u539f\u56e0\u4e4b\u4e00\uff1a<\/p>\n
    \n
  1. \u4f60\u7684\u97f3\u9891\u6587\u4ef6\u53ef\u80fd\u4e0d\u662f\u4e00\u4e2a\u6709\u6548\u7684\u8f93\u5165\uff0c\u6216\u8005\u5176\u683c\u5f0f\u4e0d\u88ab ffmpeg<\/code> \u652f\u6301\uff08\u5c3d\u7ba1 .WAV<\/code> \u901a\u5e38\u662f\u652f\u6301\u7684\uff09\u3002<\/li>\n
  2. \u97f3\u9891\u6587\u4ef6\u53ef\u80fd\u6ca1\u6709\u88ab\u6b63\u786e\u8bfb\u53d6\uff0c\u53ef\u80fd\u662f\u56e0\u4e3a\u8def\u5f84\u95ee\u9898\u6216\u8005\u6587\u4ef6\u635f\u574f\u3002<\/li>\n
  3. \u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u4f60\u7684\u97f3\u9891\u6587\u4ef6\u53ea\u6709\u4e00\u4e2a\u6d41\uff08\u8fd9\u901a\u5e38\u662f\u97f3\u9891\u6d41\uff09\uff0c\u4f60\u53ef\u80fd\u4e0d\u9700\u8981\u6307\u5b9a :a<\/code> \u540e\u7f00\uff0c\u76f4\u63a5\u4f7f\u7528 -map 1<\/code> \u5c31\u8db3\u591f\u4e86\u3002<\/li>\n<\/ol>\n
    \u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u4f60\u53ef\u4ee5\u5c1d\u8bd5\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n
      \n
    1. \u786e\u8ba4\u97f3\u9891\u6587\u4ef6\u8def\u5f84\u6b63\u786e\uff0c\u5e76\u4e14\u6587\u4ef6\u6ca1\u6709\u635f\u574f\u3002<\/li>\n
    2. \u5c1d\u8bd5\u4f7f\u7528 -map 1<\/code> \u800c\u4e0d\u662f -map 1:a<\/code>\uff0c\u7279\u522b\u662f\u5982\u679c\u97f3\u9891\u6587\u4ef6\u53ea\u6709\u4e00\u4e2a\u6d41\u3002<\/li>\n
    3. \u5982\u679c\u95ee\u9898\u4ecd\u7136\u5b58\u5728\uff0c\u5c1d\u8bd5\u4f7f\u7528 ffprobe<\/code>\uff08\u4e5f\u662f ffmpeg<\/code> \u5957\u4ef6\u7684\u4e00\u90e8\u5206\uff09\u6765\u68c0\u67e5\u97f3\u9891\u6587\u4ef6\u7684\u6d41\u4fe1\u606f\uff0c\u786e\u4fdd\u5b83\u88ab\u6b63\u786e\u8bc6\u522b\u3002<\/li>\n<\/ol>\n
      \u4f8b\u5982\uff0c\u4f7f\u7528 ffprobe<\/code> \u68c0\u67e5\u97f3\u9891\u6587\u4ef6\uff1a<\/p>\n
      ffprobe .\/tasks\/95a5be4a94364666babc652d7253747e\/female_test1.WAV<\/code><\/pre>\n
      \u8fd9\u5c06\u663e\u793a\u97f3\u9891\u6587\u4ef6\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u5305\u62ec\u5176\u6d41\u7684\u6570\u91cf\u548c\u7c7b\u578b\u3002<\/p>\n
      \u5982\u679c\u4ee5\u4e0a\u6b65\u9aa4\u90fd\u4e0d\u80fd\u89e3\u51b3\u95ee\u9898\uff0c\u4f60\u53ef\u4ee5\u5c1d\u8bd5\u4f7f\u7528 -ignore_unknown<\/code> \u9009\u9879\u6765\u5ffd\u7565\u65e0\u6cd5\u8bc6\u522b\u7684\u8f93\u5165\u6d41\uff0c\u4f46\u8fd9\u901a\u5e38\u4e0d\u662f\u9996\u9009\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u53ef\u80fd\u4f1a\u9690\u85cf\u6f5c\u5728\u7684\u95ee\u9898\u3002\u66f4\u597d\u7684\u505a\u6cd5\u662f\u786e\u4fdd\u6240\u6709\u8f93\u5165\u90fd\u88ab\u6b63\u786e\u8bc6\u522b\u548c\u5904\u7406\u3002<\/p>\n
      \u89e3\u51b3\uff1a<\/p>\n
      \u5c1d\u8bd5\u4f7f\u7528 -map 1<\/code> \u800c\u4e0d\u662f -map 1:a<\/code>\uff0c\u7279\u522b\u662f\u5982\u679c\u97f3\u9891\u6587\u4ef6\u53ea\u6709\u4e00\u4e2a\u6d41\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      Stream map '1:a' matches no streams. To ignore this, add a   \u2026 …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[276],"tags":[277],"_links":{"self":[{"href":"\/index.php?rest_route=\/wp\/v2\/posts\/9354"}],"collection":[{"href":"\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9354"}],"version-history":[{"count":1,"href":"\/index.php?rest_route=\/wp\/v2\/posts\/9354\/revisions"}],"predecessor-version":[{"id":9355,"href":"\/index.php?rest_route=\/wp\/v2\/posts\/9354\/revisions\/9355"}],"wp:attachment":[{"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9354"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9354"},{"taxonomy":"post_tag","embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9354"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}