【抖音直播间弹幕】protobuf协议分析

将Uint8Array变成 PushFrame格式，里面的payload就存放着弹幕消息

点进去就可以看到其定义的proto结构



headers是一个自定义类型

将测试数据保存一下，等下做对比

先将PushFrame的 payload 内容进行gzip解压

然后再解析为响应

可以看到里面有对应的消息类型和数据
对应好解析就可以了

# 原始数据
original_message = [8,20,16,239,205,165,211,157,198,241,206,102,24,184,69,32,8,42,21,10,13,99,111,109,112,114,101,115,115,95,116,121,112,101,18,4,103,122,105,112,42,111,10,15,105,109,45,105,110,116,101,114,110,97,108,95,101,120,116,18,92,105,110,116,101,114,110,97,108,95,115,114,99,58,112,117,115,104,115,101,114,118,101,114,124,102,105,114,115,116,95,114,101,113,95,109,115,58,49,55,51,49,51,50,48,52,49,54,55,50,51,124,119,115,115,95,109,115,103,95,116,121,112,101,58,114,124,119,114,100,115,95,118,58,55,52,51,53,57,54,52,53,56,55,48,57,49,57,53,52,55,55,54,42,58,10,9,105,109,45,99,117,114,115,111,114,18,45,116,45,49,55,51,49,51,50,48,52,50,53,56,51,49,95,114,45,55,52,51,53,57,54,52,54,48,52,50,55,49,56,51,56,55,50,48,95,100,45,49,95,117,45,49,42,23,10,6,105,109,45,110,111,119,18,13,49,55,51,49,51,50,48,52,50,53,56,51,49,42,25,10,14,105,109,45,108,105,118,101,95,99,117,114,115,111,114,18,7,100,45,49,95,117,45,49,50,2,112,98,58,3,109,115,103,66,240,10,31,139,8,0,0,0,0,0,0,255,236,90,77,108,19,71,27,102,188,86,178,204,23,17,127,75,69,23,168,42,43,81,47,145,156,236,159,189,107,159,130,77,2,36,4,210,56,1,194,161,163,93,123,236,44,177,215,203,238,218,198,252,169,84,42,144,210,74,17,135,22,168,64,52,165,66,74,69,69,83,85,74,77,213,34,164,74,128,84,113,41,82,127,232,161,146,137,83,46,149,80,91,169,151,170,74,226,88,13,49,4,163,164,45,100,199,199,153,121,222,153,119,159,121,230,125,52,134,63,174,135,207,237,196,74,68,54,173,46,156,84,176,209,133,77,83,142,99,42,191,30,222,92,89,185,207,117,225,254,231,195,199,190,254,253,84,156,190,248,246,177,47,38,134,126,59,21,103,64,240,205,149,240,121,85,203,200,9,53,138,6,113,14,233,9,57,130,7,82,137,40,54,168,250,3,76,32,109,98,227,144,123,226,236,7,133,252,209,117,171,224,202,70,69,138,77,55,247,48,209,112,139,36,255,71,213,193,218,70,41,212,38,182,183,187,135,137,81,112,133,132,227,36,121,172,80,179,174,102,226,157,243,77,77,77,29,55,0,220,62,96,89,186,25,104,105,209,121,79,118,102,113,205,209,84,58,167,106,186,26,105,142,164,146,45,106,50,222,82,234,105,49,147,114,34,129,54,226,216,134,140,108,201,70,179,174,197,15,91,122,34,227,73,41,123,154,213,164,28,199,176,187,12,200,178,139,130,72,173,127,196,216,166,218,198,13,188,24,18,67,163,224,48,220,93,93,104,13,103,209,84,18,81,220,144,163,24,37,112,6,39,80,134,69,82,133,69,208,46,183,155,1,193,117,52,217,176,102,242,173,247,39,71,135,138,151,134,138,249,139,82,49,127,241,238,137,19,197,15,207,143,129,255,147,71,104,215,29,192,17,28,199,4,156,60,35,242,121,112,29,48,228,25,160,44,253,210,70,192,43,112,71,85,223,82,206,226,36,70,186,156,43,5,225,246,33,47,242,87,10,80,231,174,99,192,53,0,33,217,80,3,157,228,10,106,197,101,130,184,71,252,203,9,31,118,130,17,103,137,201,55,157,155,186,194,66,118,235,158,109,92,103,71,16,169,59,185,110,83,205,164,123,197,109,57,37,230,239,219,191,37,149,238,231,213,173,162,174,248,80,71,79,103,71,38,228,243,197,248,29,219,19,86,135,222,199,191,108,118,120,148,93,41,126,119,95,36,114,223,121,194,1,95,119,144,53,212,171,142,165,220,31,236,175,234,99,85,3,77,189,244,88,179,22,206,48,5,106,70,90,107,216,233,182,25,116,131,93,195,215,29,199,1,113,21,156,166,168,249,74,178,232,7,127,209,181,105,33,37,105,11,134,218,66,109,182,146,216,74,98,43,201,210,41,9,253,137,167,27,156,4,255,76,121,243,244,139,210,70,223,212,207,22,37,91,148,108,81,90,58,81,58,3,156,110,174,213,49,6,86,195,85,88,179,176,129,44,85,71,86,78,199,20,96,232,178,65,131,63,113,144,42,121,184,173,234,32,158,117,119,87,57,56,185,182,82,143,235,203,143,46,92,126,99,158,183,27,91,251,112,241,91,93,22,191,3,108,192,180,12,85,139,31,154,39,128,223,209,243,5,240,43,26,94,163,103,4,176,120,246,189,103,198,223,181,5,219,216,169,170,108,241,8,43,46,29,97,43,65,47,76,88,113,14,97,107,231,18,86,44,19,118,20,252,2,96,95,117,57,136,201,154,25,73,164,149,217,96,62,196,50,149,182,223,91,213,246,31,19,149,114,47,52,129,169,13,190,64,213,54,182,79,55,26,54,212,23,199,134,10,227,103,239,190,59,50,123,237,212,147,71,128,203,73,3,14,8,1,130,229,252,121,112,131,96,106,207,128,2,88,14,116,24,1,63,128,165,186,248,224,206,234,242,247,216,192,84,195,194,83,102,111,221,159,9,56,65,184,32,13,26,190,37,224,55,128,116,80,183,158,53,142,195,63,1,233,164,254,0,80,121,178,248,83,52,145,163,25,89,139,224,40,82,228,104,28,35,150,65,251,146,122,165,61,70,158,48,117,213,4,161,154,171,155,206,220,25,185,114,247,178,99,186,170,178,85,252,30,177,236,84,252,30,113,218,177,124,217,207,63,58,57,51,133,254,76,197,86,46,244,187,247,239,146,132,120,34,219,35,109,234,52,44,37,182,163,183,71,222,179,165,23,247,115,253,93,234,230,78,181,163,39,20,22,196,120,60,147,106,23,194,62,169,111,111,56,179,17,115,221,251,50,251,153,116,118,96,144,31,188,239,188,228,92,236,66,255,105,61,113,240,156,131,172,163,108,10,62,148,130,148,163,166,174,108,133,26,214,144,96,55,85,24,207,23,198,175,76,156,188,84,124,237,179,201,79,207,21,242,71,187,193,113,0,174,130,73,210,229,164,71,111,129,166,103,209,107,204,190,37,217,103,198,246,26,182,215,176,189,198,83,199,113,219,107,216,94,195,246,26,203,151,253,182,215,176,189,198,127,155,130,115,188,70,208,225,2,138,211,253,98,171,131,46,63,148,80,30,203,195,138,60,203,115,140,192,121,37,150,71,134,71,20,120,175,223,39,248,24,129,19,89,137,151,68,142,65,81,15,139,210,30,214,125,251,251,95,111,127,204,53,93,112,168,154,133,13,77,78,32,211,136,4,244,180,57,96,98,35,131,141,131,49,213,48,45,100,224,189,40,105,6,74,200,44,227,99,24,254,96,214,52,81,210,140,79,63,244,4,140,131,89,35,106,162,193,140,25,40,61,228,108,209,122,82,169,100,80,214,180,242,159,245,60,155,140,84,214,26,8,165,146,201,148,54,211,19,78,43,225,156,22,233,196,57,79,25,93,242,250,121,158,97,188,28,139,74,88,83,72,61,178,54,56,139,83,26,202,176,94,206,47,72,60,235,21,248,191,15,13,91,178,101,62,48,86,224,88,206,231,227,37,86,18,216,185,99,13,44,39,55,68,101,221,146,45,53,165,61,56,141,149,88,129,227,69,63,235,245,183,214,111,6,127,1,0,0,255,255,1,0,0,255,255,253,82,25,129,165,40,0,0]original_byte_message = bytes(original_message)
# print(original_byte_message)# 解析为PushFrame对象
push_frame = PushFrame().parse(original_byte_message)
# print(push_frame)# 对PushFrame的 payload 内容进行gzip解压
push_frame_payload = gzip.decompress(push_frame.payload)# 解析为Response对象
response = Response().parse(push_frame_payload)# 遍历Response对象里面的消息
for message in response.messages:message_method = message.methodmessage_payload = message.payloadprint(f"需要解析的消息类型：{message_method}")# print(message_payload)

然后再解析对应的消息类型就可以

所有的都在这个文件里