알아두면 좋을 우리 팀이 음악 인코딩을 실시한 이유

우리 서비스는 음악 업로드, 스트리밍이 핵심인 서비스이다.

따라서 음악을 재생할 때 끊기지 않도록 빠르게 스트리밍(음악 제공) 하는 것이 관건인데, 이를 위해서는 음악 길이에 따라 무거울 수도 있는 음악 파일을 한번에 보내는 것은 ‘빠르게’에는 부합하지 않다고 생각했다.

(무거운 파일을 한번에 보내게 되면 다른 요청도 처리하고 있는 서버에게 큰 리소스가 가해질 것이라고 생각했기 때문)

그래서 대안으로 여러가지 스트리밍 프로토콜을 찾던 도중, HLS 프로토콜을 발견하였다!

아래는 스트리밍 프로토콜 관련 개념을 정리한 페이지에서 발췌한 HLS 프로토콜의 장점

<aside> <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAOEAAADhCAMAAAAJbSJIAAAA81BMVEX///8lKj/vrEsVHDXvq0j//vvuqUHW19scIjnxtGD31apkZ3MOFzLuqD4OFjLvqkTZqGXapl3yvHLwsFb20qT0yJL54cEAACgRIT/88N/Jk0kaIDj2sUz42bH66M8hJjwADS3Cw8gvNEjy8vOxsrjOz9MAACMAHD5ESFmOkJk5PVCkpatdYG3q6ux3eYT99uzzwoBRVWS2t7yanKO1hkeofUbeoUp8fohUV2THyMyugUeadEXxtV/xuWr98uT0xom8mGnLlEXetX/p07rgvZGHcFhBO0GHZ0RaSkJtVkI0M0AAFz5lUkLuoytRREF8YESOa0RrMMk+AAAPb0lEQVR4nNWde2OixhbAVRBIEGyNEV1iBlE3vo1uu+528+i2ve29vU33fv9PcxlARBlgzjA8ev7ZxJh1fjlnzmuGmVotdxnLo8lyvlF3s4Vt1+t1217MdupmvpyM5HH+H5+nOGjzzQwZlq4LpqkghOqeOF8h0xR03TLQbjPfy+uyh8og8uTwybYswTxSxQlySK367rCXyx4yQOSlWm/pJkqDC4li6q36avlPoBzvN4rRUujZwpgtA232lZ6a64kqWCYT3VFMS1AnFZ2W4/3K1NmUd6FKXVlNqqfJ6cbSFcDESxSk6NZmWjZSWMbLmZHNOKNiGotlVRQpz5HOS3thQXr9UAXnKqstIQc8T4TWqmzG6Y67eZ6LYuzKnJDTlcHDeaYxfiqLUVb1fPUXMOpqGba6PmSM7SBG61C4X13m6F9IIrSWhfJNZ1Ye8SFJkDUrcDoeuGRnUFH0Q0F8I6FYAz2JoI8K4BtvjJL4sBib3D3OZ7ssBXoi2J/zBZwX7mEuBVnzHPnWM71kPiz6LLcKeYTKcKFRUZScHM6H0i30KMj6kAPfWLXKBguJvuIOuF6U60MvRVhwnoyyXVyaTSeKzbXeGJnV8DFhQQJHfzN5XzYOUd5PeAEuy8zTksTgVFF9qJITPRc+UWMOAkRKS28JDGL2WaItjxRuDjFRpCN1OWXz4z8ztcyNzIgQE0XWIsOiyvdf60xazGioSwCgaWXybd/dvWPSopXJ3UwAJqqr2YrT78S7d0xz0cjwhx0B4mBmt/ad2GDU4nvm0C8DMrXsockhdBAhS+OBCIwJ3NqmT9U4BCZM2GAzVMVmc3ALehUKm8yAHiEjorlg+USVvlxCCw4dMI+QcS4KKvwDIYHQ4pHl+4SMWoRPkxEAUJlxAAwIWRGBf+U1xKdZXFqYASEbIlJg3mYGqHgR0zRPIGzc/cCACLOkOaQvKvBp0YYI2RB1wDg+gwomPkZ6RshmqPQDGdug/x04AagImbSIbNqgtQE1DtGMz3LQOSFGhBJSJx4jWFsGfeICeEnIhGjQhYwW7H9VOLWfLwkdxAcwok5jTwdgc1thSJioCFm0SGOnU+gCWn6ELIh6+nYGSKzPm5ABMT3uQxoz+RMyIKa1bdbwRd5cCRt3PwERUSvZ2cBCYQGEDiLQoyY7G5mhgZ8zITxoWEldG5VhES1vQrChmgkDAkeKQgjBiAkRY8WyDpo/IXQumrFZ1pRpnbAAQiiiEafEHdNSdhGEjbsfIYaq7MgfIbMt9RZC6CBCtGiQ3SnTLCyKEIZIHpMMrJoKJoQhCqS+A7RqKpoQhEjqjo1ZN60VRgjTYjQ7XbJurCyOEIKoR0uMWdk6/KWdSti4+0KLiCJ1Ilu050n4q5ZOCECMRP0N8848XoQ1Ld1MAYjmRRE1Zt/3xI2QSon0iNa5r9mzb+DmRlj7jasW9f3Zf86Yz/AldLSotcVUoUQ87+OuU48+KISwNv71l+8p5F80TuN8QXGS4SkDnoSUIlMNVw/vJGLpXpRJSJVCh7sZ4yy71CurQyScvOk+yx7Zyuqwbp28KXu4rzSheXpeMdNG/MpaqWOnwS9k2qleXR2emhlLxuq+PEJKHQZPR2dIaEoipFRJMLQsfJUmrNeh768MIW0K1vImYoa6oixCWp349cUh22NpVSYUvIjI1swvlZDW6rz2/joTX7V1WHc3gLOs+/5jCN314IyOptJW6rmaecYHfCutQ7e7n6mwKImQWoduT5G52V0iIbUOEXamWY8RqDQhztvGWR/yTdrckRchvXM0xuzBAvX7D318mKxaa/IUGkJ6HTrhYsQWLPoPv//x09ePrlxxlefO6/WAG6E+qk1YKot+/4+v4t2d14RP71IDpS1pjdstHyvVJ7UlPByi/rePdzRLDOwitrUERoAOnTJ/Dg6H/d/f3eWK54nU6HEgNOfwgN//d6MIQEeP2m12K3VCPrSh3/9PMXxYtMfMOkRqbQeL+P2/CuPDiGQtQgh3wKQN/VkkoIM4zGilaFZbgAj/C3cyVE439k3aS0YdLmo2BLD/LQIoSp6Qvmu0NbFx09CCb/GPxOB97eB3nDe1yUvc7U42HdZtIOHHCODT0JMb97vO2Xfa4/3LdrsddBsuTPsW/+hRPL7v1X1VuxoOnDe99DpERu0+kw4dQgigGfWj4vFv3MHDk7r+dzcYQwwGt31uB4O9ljAr/qqHN19o3WDg9yIBsU3wp6AOL4iwH52FAeGty+AH6SYm1ELZZfNJPBJ2zwi169DIB6T9Jlo0t4FYKYiQ5EgDwqEUMilM2D7z9PcSkVB8Pht6V4p+AsGdwnQImIfKX1FHGhDe47+/tD0Ren/75sDX5JVIIvSVvr33XGaToESCmcLmIYCw/yWB8MUZnHhzIhRv3C+uND8xcayYROiWg/dtzZ+Oz9GZKDYyWakNiYf9HxIIa5jwaHOY8NGH8MEwDmEeBlxvW//vEDXTSFEMi4eAnKb/jvAXDggdwxSPBuUQtl/xF9hxehPpnkQoPrnvbjTCjjZCGHE1EMIZJC+NJ8Rj6HjOxW1DYMLb44ilBMIr97fFZMJIWgPJ2nY1lQfhvWdgWFvbwVGHThjfdtvJhE80hJGeBqy2ANSH8YQ4qDnhAo/yxSd00jBH3CA5jJ2HnjsKERLDRRZCpz4E1PjxhLceQtuxp96R8DTC49hJvrRWO8sPXkmeJkoIqIDnkI0Y8YSPTS9cOP9cnxGKoig1XF/4TI6H7uhvNVFytVkjFRmZdNhaQrYlxhN2HOVt267NvYYJxatOx+soDcg5jedxa9f+u3rEtC2LDlsTSL80gXCAU0+30nkKE0rHjGsbl5dK4XbTllgnZtKhNYL0vBMI8Tg7bs9BOyP08+pe41RbnBOK0intvL8hlojZCGXIukUCIc65XrHTbL6RCF86Whxh41T/bTsET5rRSo0xZO0pgRAnM9dvzmAHRELPSZJqi8ZZwtLhbqV4zxB9UpNAeOX4y94bDhZnhGKn2+01j1OM5Es9G+11h967KD0NNaG7GYM+5CcQYlUM3vD4tfNoIUmal44n1RZd7fgukhKzWKm7Bky/jp9AiLPjLS4UHrWYiE/OaVyupijmlbW56/j0ezGSCJ3xNfFkfAoI3WUk/BaveTMgEXrh8MUtno+5HVdCdy8GfbhIIsTju8aFkOQT4mDf6eCem4dDJjz+6OiU7ukIqZXi7qdZU1f5SYR4qM5IXtpHQk8n2IXmQAjbE0W/ry2BUPIL4XutEELqfW3eGVbUexMTCNte4lwbshC+pBBGK2Dg3kRqV5NAKPrNlNuTlXa970Nj9xprbtnvkg0lz9O4UdD7IdHTsHcx/P2l1O/v/xTXiXIIPVPqiEdCX01vov8jh9BT68B56a3nadNvXXU0se1xDEnR4hIQvEeYuinc/yOB0B1z8yog9Ad//fTkpS2Ocfqdz+HTk5fM4ZLR/WL7ePPspaeP0QrY63Sw6dDf5029Vx/9HU/omaKTmx0JL6fPlXjZF8TGqZ2v1RM7wtFVUvBeffoyP7L0FBAGsTsgPO9VuxNM6oZfwl7Ia7YFQmyXRhefwM9bUD8z0/8xZmWmI3q25HBIL7Vj5yW04PDi1bbhenfo6kt6rV2+dPEBN9FdUuBnZqife0J/k3TYbOKEWXS43Mk2wJvA3Lw02BLT7Em+F9a6/kvbW59Gej6Gu+0rqbI41zuMMHjuiT4iPhD6+s+OYFT87w22O/8FPDrxsdvrXb/enIYuNR67w2H3sR04TVF7vh32ht2ORDxyQCRsHKK00tCza9TPH6I/Cb7GT7DD/wZxU5Q0TWqfhdHTUnfwprakXbwUiEZQIfXzh6eTMOmfISUFjDyFECqoCZEZeiJfpa+CCXaaI2CbuLmNzkrPNr7SN01R/WtxiCJpmwK1Ds+e5V7Tn/ReIGIcIJ0OLw74BjyCiEgONQ+Rbki7hah1eHE2LuixkodvH/NnbGu3sRuiqQgvzsWAnW3St780ct1CK0pvjwk7oams9OJsE+A2U9RH3941xDtPJL6iae2rbtImaCodXp5PAz9jyHzo//3tf18c+fmaqwx7g0Q8SsLoyYIMj84gs+/IA//LFtOEwkqj50SVf9YXhDBdh4Szvko/r40vIeG8ttLP3IMQptqbQLrCu+xzEyGEqUNtEQ+/pE+/SydM02HM02Yln18KkFQdxpxfWvIZtABJI4w7g7bkc4QBkmalsecIl3sWNEBSdBh/FnS553kDJIUw6QYIFndaOStNfGy3zHP1AZKsw8Rz9VkSm6oREtOZkzCcTVc1KzVTLtMp744SgCTpMP1qWXCdWC1CQl14KaXdFQSQBCuluCuotPueABKvwxQ34wuUsPguRqydIZPq90u6dw0gsYSU966VdHceQOL619SX9pZz/yFAYrZT0t9/WM4dlgD5RK6BIAMp4x5Seom56BZyDynwLlk7L5QYIa92Am8lLuE+YHohFurQ+4BBdzpTZEo8hdxsgd+cXfi93NRCnEEs19cXfbc6rRCrH5a71Wu1Bb23oQ612UUWCB7CZLs4e23TI7IYCZOMSYNSbMakQwb0pYzUwpOLjGekMQmJnZkk+fyeHrEQLa4XJMD3GaLVBFBm6Gru7maESPPGmKT/ZrxA2jamlemjUmWtGqQ0JL0xkyyQsIisxTK3OkM+6ES3kH12zCH1MNKV1XLKm3Isj+YzMl/d4JD2z0GlFFJaekvgKy1dJwVBV4Nc6hqIoRYsOicHvsx6xGlewi8ITwBxsUB5z9F3j8xs57bnIYrJtSyV7YwnRnMXxWZO1ciyXmQ89puzCAv+kVetkku1cllK+GBlPRibl6C80vzPxMS3eFGU3Lom61nGWwa4iD7Ls8k+L91SEZ9ELV6mJftUwc69OTvelJnDGZsiunqjVllqFFoFNWbHG72M2Yh0qiVsPjKdFe9xrBnFJgSOsizYVAWhmHZlSMYHq7hk3LQOhS+lOyKrejE5jqKrnOsIapmujPwZFWNV7AS8YNwZ+dqqYuzK5MMiq0J+PkcQVmXZZ1jW83ou8RHp9UMV+LCMlzODtyJNY7Esw3/GyvRg6fSPS6cIUnRrU/b0i8p4ryp6hjvaQ3jKal8p9Z1kPVGFjHmAaZnqpPBtZBAZjw7IaLGpUmkZ6FBV7Z2JvFTrLV2AbDpSBL1VXy2r4jppRN4fPtmWJaRqE5mCbtV3h/0/ie4oeN1vs6sblq63TBOhQKn4S9Ns6ZZl1Heb+V6u9MRLFwd0spxv1N1sYeMTDG17Mdupm/lyMpILmHT/B+iOwjyLVDxFAAAAAElFTkSuQmCC" alt="data:image/png;base64,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" width="40px" /> 모든 인터넷 연결 장치가 HTTP를 지원하기 때문에 전용 서버가 필요한 스트리밍 프로토콜보다 간단하게 실행할 수 있다.

재생에 지장을 주지 않고 네트워크 상태에 따라 비디오 품질을 높이거나 낮출 수 있음 (= 적응 비트 전송률 스트리밍)

** 적응 비트 전송률 = 네트워크 상태에 따라 스트리밍 비디오 품질 조정

</aside>

HLS 프로토콜의 가장 큰 장점이 적응 비트 전송률 스트리밍이라고 생각하는데, 이를 우리 프로젝트에 적용하기 위해서는 하나의 음악 파일(mp3)을 여러개의 청크 파일(ts)로 쪼개는 인코딩 과정이 필요하다!

다시 본론으로 돌아와서

우리의 현재 로직은 업로드 될 때마다 음악이 인코딩 되면 쓰이지 않는 파일(ts, m3u8)이 많이 발생될까 염려되어 음악 정보를 DB에 업로드 할 때 인코딩 하는 방식을 선택했다.

그러나 이렇게 되면 인코딩 하는데 시간이 3초~20초 안쪽까지도 넘어가는데 사용자는 이 과정이 완료될 때까지 제출 버튼만 누르고 기다려야 한다!

(백마디 말보다 그림이 낫다. 우리 어플을 보자)

Untitled