{"id":1297,"date":"2023-09-02T15:17:39","date_gmt":"2023-09-02T15:17:39","guid":{"rendered":"http:\/\/www.recologypower.com:9080\/?p=1297"},"modified":"2023-09-02T15:17:39","modified_gmt":"2023-09-02T15:17:39","slug":"%e3%80%90ffmpeg%e3%80%91error-20-identifier-avbitstreamfiltercontext-is-undefined","status":"publish","type":"post","link":"http:\/\/www.recologypower.com:9080\/?p=1297","title":{"rendered":"\u3010ffmpeg\u3011error: #20: identifier &#8220;AVBitStreamFilterContext&#8221; is undefined"},"content":{"rendered":"\n<p>av_bitstream_filter_init \u4e22\u5f03<br><strong>\u8001\u7248\u672c\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/\u58f0\u660e\uff1a\t\r\nAVBitStreamFilterContext* h264bsfc =  av_bitstream_filter_init(\"h264_mp4toannexb\"); \r\n\/\/\u4f7f\u7528\r\nav_bitstream_filter_filter(h264bsfc, in_stream->codec, NULL, &amp;pkt.data, &amp;pkt.size, pkt.data, pkt.size, 0);\r\n\/\/\u91ca\u653e\uff1a\r\nav_bitstream_filter_close(h264bsfc);  \r\n<\/code><\/pre>\n\n\n\n<p><strong>\u65b0\u7248\u672c\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/\u58f0\u660e  \r\nAVBSFContext *bsf_ctx = nullptr;\r\nconst AVBitStreamFilter *pfilter = av_bsf_get_by_name(\"h264_mp4toannexb\");\r\nav_bsf_alloc(pfilter, &amp;bsf_ctx);\r\n\/\/\u4f7f\u7528\uff1a\r\nav_bsf_send_packet(bsf_ctx, &amp;packet);\r\nav_bsf_receive_packet(bsf_ctx, &amp;packet);\r\n\/\/\u91ca\u653e\uff1a\r\nav_bsf_free(&amp;bsf_ctx);\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<div class=\"slide-text-bg2\">\n<h3>av_bitstream_filter_<\/h3>\n<\/div>\n<div class=\"flex-btn-div\"><a href=\"http:\/\/www.recologypower.com:9080\/?p=1297\" class=\"btn1 flex-btn\">\u9605\u8bfb\u66f4\u591a<\/a><\/div>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138],"tags":[],"_links":{"self":[{"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=\/wp\/v2\/posts\/1297"}],"collection":[{"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1297"}],"version-history":[{"count":1,"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=\/wp\/v2\/posts\/1297\/revisions"}],"predecessor-version":[{"id":1298,"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=\/wp\/v2\/posts\/1297\/revisions\/1298"}],"wp:attachment":[{"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1297"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1297"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1297"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}