{"id":2603,"date":"2025-05-22T12:00:21","date_gmt":"2025-05-22T04:00:21","guid":{"rendered":"https:\/\/www.wunen.com\/index.php\/2025\/05\/22\/ffmpeg%e5%bc%80%e5%8f%91%e4%ba%94-qt%e8%a7%86%e9%a2%91%e6%92%ad%e6%94%be%e5%99%a8%e4%b9%8b%e5%b0%81%e8%a3%85ffmpeg%e7%b1%bb%e5%8f%82%e8%80%83%e4%ba%86%e6%9a%b4%e9%a3%8e%e5%bd%b1\/"},"modified":"2025-05-22T12:00:21","modified_gmt":"2025-05-22T04:00:21","slug":"ffmpeg%e5%bc%80%e5%8f%91%e4%ba%94-qt%e8%a7%86%e9%a2%91%e6%92%ad%e6%94%be%e5%99%a8%e4%b9%8b%e5%b0%81%e8%a3%85ffmpeg%e7%b1%bb%e5%8f%82%e8%80%83%e4%ba%86%e6%9a%b4%e9%a3%8e%e5%bd%b1","status":"publish","type":"post","link":"http:\/\/www.wunen.com\/index.php\/2025\/05\/22\/ffmpeg%e5%bc%80%e5%8f%91%e4%ba%94-qt%e8%a7%86%e9%a2%91%e6%92%ad%e6%94%be%e5%99%a8%e4%b9%8b%e5%b0%81%e8%a3%85ffmpeg%e7%b1%bb%e5%8f%82%e8%80%83%e4%ba%86%e6%9a%b4%e9%a3%8e%e5%bd%b1\/","title":{"rendered":"FFmpeg\u5f00\u53d1(\u4e94)\u2014\u2014Qt\u89c6\u9891\u64ad\u653e\u5668\u4e4b\u5c01\u88c5FFmpeg\u7c7b(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3)"},"content":{"rendered":"<div class=\"article_content clearfix\" id=\"article_content\">\n <link href=\"https:\/\/csdnimg.cn\/release\/blogv2\/dist\/mdeditor\/css\/editerView\/kdoc_html_views-1a98987dfd.css\" rel=\"stylesheet\"\/>\n <link href=\"https:\/\/csdnimg.cn\/release\/blogv2\/dist\/mdeditor\/css\/editerView\/ck_htmledit_views-704d5b9767.css\" rel=\"stylesheet\"\/>\n<div class=\"htmledit_views atom-one-dark\" id=\"content_views\">\n<h3>\n   <strong><br \/>\n    FFmpeg\u5f00\u53d1(\u4e94)\u2014\u2014Qt\u89c6\u9891\u64ad\u653e\u5668\u4e4b\u5c01\u88c5FFmpeg\u7c7b(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3)<br \/>\n   <\/strong><br \/>\n  <\/h3>\n<\/p>\n<p>\n   \u4e0a\u4e00\u7bc7\u4ecb\u7ecd\u4e86\uff0c\u4f7f\u7528Qt\u548cFFmpeg\u5199\u7684\u64ad\u653e\u5668\u3002\u9875\u9762\u5927\u5bb6\u53ef\u4ee5\u70b9\u8fdb\u53bb\u67e5\u770b\u548c\u4e0b\u8f7d\u3002\n  <\/p>\n<p>\n   <a class=\"link-info\" href=\"https:\/\/blog.csdn.net\/ifeng12358\/article\/details\/121360262\" title=\"FFmpeg\u5f00\u53d1(\u56db)\u2014\u2014Qt\u5b9e\u73b0\u4e00\u4e2a\u89c6\u9891\u64ad\u653e\u5668(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3)\"><br \/>\n    FFmpeg\u5f00\u53d1(\u56db)\u2014\u2014Qt\u5b9e\u73b0\u4e00\u4e2a\u89c6\u9891\u64ad\u653e\u5668(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3)<br \/>\n   <\/a>\n  <\/p>\n<p>\n   \u5b9e\u73b0\u7684\u6548\u679c\u5982\u4e0b\uff1a\n  <\/p>\n<p style=\"text-align:center;\">\n<p style=\"text-align:center;\">\n<\/p>\n<p style=\"text-align:center;\">\n<\/p>\n<p>\n   \u672c\u7bc7\u5206\u4eab\u4e00\u4e0b\uff0c\u5c01\u88c5\u7684FFmpeg\u7c7b\uff0c\u56e0\u4e3a\u4f7f\u7528\u7684\u662fQt\uff0c\u6240\u4ee5\u5c31\u6309\u7167C++\u7684\u65b9\u5f0f\u8fdb\u884c\u4e86\u5c01\u88c5\u3002\n  <\/p>\n<p>\n   \u6784\u9020\u51fd\u6570\uff1a\n  <\/p>\n<pre><code class=\"language-cpp\">FFmpeg::FFmpeg()\n{\n    initData();\n}<\/code><\/pre>\n<p>\n   \u521d\u59cb\u5316\u4fe1\u606f\uff1a\n  <\/p>\n<pre><code class=\"language-cpp\">void FFmpeg::initData()\n{\n    m_errorBuff[0] = '\\0';\n    av_register_all(); \/\/\u6ce8\u518cFFMpeg\u7684\u5e93\n    m_pAVFormatCtx = NULL;\/\/\u89e3\u5c01\u88c5\u4e0a\u4e0b\u6587\n    m_pYuvFrame = NULL;\/\/\u89e3\u7801\u540e\u7684\u89c6\u9891\u5e27\u6570\u636e\n    m_pPcmFrame = NULL;\/\/\u89e3\u7801\u540e\u7684\u97f3\u9891\u6570\u636e\n    m_pSwsCtx = NULL;\/\/\u89c6\u9891\u8f6c\u7801\u4e0a\u4e0b\u6587\n    m_pSwrCtx = NULL;\/\/\u97f3\u9891\u91cd\u91c7\u6837\u4e0a\u4e0b\u6587\n\n    m_totalMs = 0;\/\/\u603b\u65f6\u957f\n    m_videoStream = 0;\/\/\u89c6\u9891\u6d41\n    m_audioStream = 1;\/\/\u97f3\u9891\u6d41\n    m_fps = 0;\/\/\u6bcf\u79d2\u7684\u89c6\u9891\u5e27\u6570\n\n    m_pts = 0;\/\/\u83b7\u5f97\u5f53\u524d\u89e3\u7801\u5e27\u7684\u65f6\u95f4\n\n    m_sampleRate = 48000;\/\/\u6837\u672c\u7387\n    m_sampleSize = 16;\/\/\u6837\u672c\u5927\u5c0f\n    m_channel = 2;\/\/\/\u901a\u9053\u6570\n\n    m_isPlay = false;\n}<\/code><\/pre>\n<p>\n   \u6253\u5f00\u6587\u4ef6\u5e76\u89e3\u7801\uff1a\n  <\/p>\n<pre><code class=\"language-cpp\">int FFmpeg::openFileCtx(const char *path)\n{\n    closeAndFree(); \/\/\u5148\u5173\u95ed\u5e76\u6e05\u7406.\n\n    m_mutex.lock();\/\/\u9501\n    int ret = avformat_open_input(&amp;m_pAVFormatCtx, path, 0, 0);\/\/\u6253\u5f00\u89e3\u5c01\u88c5\u5668\n    if (ret != 0)\/\/\u6253\u5f00\u9519\u8bef\u65f6\n    {\n        m_mutex.unlock();\/\/\u89e3\u9501\n        av_strerror(ret, m_errorBuff, sizeof(m_errorBuff));\/\/\u9519\u8bef\u4fe1\u606f\n        printf(\"open %s failed :%s\\n\", path, m_errorBuff);\n        return 0;\n    }\n    m_totalMs = m_pAVFormatCtx-&gt;duration \/ (AV_TIME_BASE);\/\/\u83b7\u53d6\u89c6\u9891\u7684\u603b\u65f6\u95f4\n\n    \/\/\u6253\u5370\u89c6\u9891\u8be6\u7ec6\u4fe1\u606f\n    av_dump_format(m_pAVFormatCtx, 0, path, 0);\n    \/\/\u89e3\u7801\u5668\n    for (int i = 0; i &lt; m_pAVFormatCtx-&gt;nb_streams; i++)\n    {\n        AVCodecContext *avCodecCtx = m_pAVFormatCtx-&gt;streams[i]-&gt;codec;\/\/\u89e3\u7801\u4e0a\u4e0b\u6587\n\n        if (avCodecCtx-&gt;codec_type == AVMEDIA_TYPE_VIDEO)\/\/\u5224\u65ad\u662f\u5426\u4e3a\u89c6\u9891\n        {\n            m_videoStream = i;\n            m_fps = r2d(m_pAVFormatCtx-&gt;streams[i]-&gt;avg_frame_rate);\/\/\u83b7\u5f97\u6bcf\u79d2\u7684\u89c6\u9891\u5e27\u6570\n            AVCodec *avCodec = avcodec_find_decoder(avCodecCtx-&gt;codec_id);\/\/\u67e5\u627e\u89e3\u7801\u5668\n            if (!avCodec)\/\/\u672a\u627e\u5230\u89e3\u7801\u5668\n            {\n                m_mutex.unlock();\n                printf(\"video code not find\\n\");\n                return 0;\n            }\n            int err = avcodec_open2(avCodecCtx, avCodec, NULL);\/\/\u6253\u5f00\u89e3\u7801\u5668\n            if (err != 0)\/\/\u672a\u6253\u5f00\u89e3\u7801\u5668\n            {\n                m_mutex.unlock();\n                char buf[1024] = { 0 };\n                av_strerror(err, buf, sizeof(buf));\n                printf(\"not open!  %s\",buf);\n                return 0;\n            }\n            printf(\"open codec success!\\n\");\n\n        }else if (avCodecCtx-&gt;codec_type == AVMEDIA_TYPE_AUDIO)\/\/\u82e5\u4e3a\u97f3\u9891\u6d41\n        {\n            m_audioStream = i;\/\/\u97f3\u9891\u6d41\n            AVCodec *avCodec = avcodec_find_decoder(avCodecCtx-&gt;codec_id);\/\/\u67e5\u627e\u89e3\u7801\u5668\n            if (avcodec_open2(avCodecCtx, avCodec, NULL) &lt; 0)\n            {\n                m_mutex.unlock();\n                return 0;\n            }\n            m_sampleRate = avCodecCtx-&gt;sample_rate;\/\/\u6837\u672c\u7387\n            m_channel = avCodecCtx-&gt;channels;\/\/\u901a\u9053\u6570\n            switch (avCodecCtx-&gt;sample_fmt)\/\/\u6837\u672c\u5927\u5c0f\n            {\n            case AV_SAMPLE_FMT_S16:\/\/signed 16 bits\n                m_sampleSize = 16;\n                break;\n            case  AV_SAMPLE_FMT_S32:\/\/signed 32 bits\n                m_sampleSize = 32;\n            default:\n                break;\n            }\n            \/\/printf(\"audio sample rate:%d sample size:%d chanle:%d\\n\",this-&gt;sampleRate,this-&gt;sampleSize,this-&gt;channel);\n\n        }\n\n    }\/\/\u81f3\u6b64\u4e3a\u6253\u5f00\u89e3\u7801\u5668\u8fc7\u7a0b\n\n    printf(\"file totalSec is %d-%d\\n\", m_totalMs \/ 60, m_totalMs % 60);\/\/\u4ee5\u5206\u79d2\u8ba1\u65f6\n    m_mutex.unlock();\n    return m_totalMs;\n}<\/code><\/pre>\n<p>\n   \u91ca\u653e\u76f8\u5173\u8d44\u6e90\uff1a\n  <\/p>\n<pre><code class=\"language-cpp\">void FFmpeg::closeAndFree()\n{\n    m_mutex.lock();\/\/\u9700\u8981\u4e0a\u9501\uff0c\u4ee5\u9632\u591a\u7ebf\u7a0b\u4e2d\u4f60\u8fd9\u91cc\u5728close\uff0c\u53e6\u4e00\u4e2a\u7ebf\u7a0b\u4e2d\u5728\u8bfb\u53d6\uff0c\n    if (m_pAVFormatCtx) avformat_close_input(&amp;m_pAVFormatCtx);\/\/\u5173\u95ed\u4e0a\u4e0b\u6587\u7a7a\u95f4\n    if (m_pYuvFrame) av_frame_free(&amp;m_pYuvFrame);\/\/\u5173\u95ed\u65f6\u91ca\u653e\u89e3\u7801\u540e\u7684\u89c6\u9891\u5e27\u7a7a\u95f4\n    if (m_pPcmFrame) av_frame_free(&amp;m_pPcmFrame);\/\/\u5173\u95ed\u65f6\u91ca\u653e\u89e3\u7801\u540e\u7684\u97f3\u9891\u7a7a\u95f4\n    if (m_pSwsCtx)\n    {\n        sws_freeContext(m_pSwsCtx);\/\/\u91ca\u653e\u8f6c\u7801\u5668\u4e0a\u4e0b\u6587\u7a7a\u95f4\n        m_pSwsCtx = NULL;\n    }\n    if (m_pSwrCtx)\n    {\n        swr_free(&amp;m_pSwrCtx);\/\/\u91ca\u653e\u97f3\u9891\u4e0a\u4e0b\u6587\u7a7a\u95f4\n    }\n\n    m_mutex.unlock();\n}<\/code><\/pre>\n<p>\n   \u8bfb\u53d6\u89c6\u9891\u5e27\uff1a\n  <\/p>\n<pre><code class=\"language-cpp\">\/\/\u8bfb\u53d6\u89c6\u9891\u7684\u6bcf\u4e00\u5e27\nAVPacket FFmpeg::readAVPacket()\n{\n    AVPacket pkt;\n    memset(&amp;pkt, 0, sizeof(AVPacket));\n    m_mutex.lock();\n    if (!m_pAVFormatCtx)\n    {\n        m_mutex.unlock();\n        return pkt;\n    }\n    int err = av_read_frame(m_pAVFormatCtx, &amp;pkt);\/\/\u8bfb\u53d6\u89c6\u9891\u5e27\n    if (err != 0)\/\/\u8bfb\u53d6\u5931\u8d25\n    {\n        av_strerror(err, m_errorBuff, sizeof(m_errorBuff));\n    }\n    m_mutex.unlock();\n    return pkt;\n}\n<\/code><\/pre>\n<p>\n   \u89e3\u7801\uff1a\n  <\/p>\n<pre><code class=\"language-cpp\">\/\/\u8bfb\u53d6\u5230\u6bcf\u5e27\u6570\u636e\u540e\u9700\u8981\u5bf9\u5176\u8fdb\u884c\u89e3\u7801,\u8fd4\u56de\u5b83\u7684pts\nint FFmpeg::decodeAVPacket(const AVPacket *pkt)\n{\n    m_mutex.lock();\n    if (!m_pAVFormatCtx)\/\/\u82e5\u672a\u6253\u5f00\u89c6\u9891\n    {\n        m_mutex.unlock();\n        return -1;\n\n    }\n    if (m_pYuvFrame == NULL)\/\/\u7533\u8bf7\u89e3\u7801\u7684\u5bf9\u8c61\u7a7a\u95f4\n    {\n        m_pYuvFrame = av_frame_alloc();\n    }\n    if (m_pPcmFrame == NULL)\n    {\n        m_pPcmFrame = av_frame_alloc();\n    }\n    AVFrame *frame = m_pYuvFrame;\/\/\u6b64\u65f6\u7684frame\u662f\u89e3\u7801\u540e\u7684\u89c6\u9891\u6d41\n    if (pkt-&gt;stream_index == m_audioStream)\/\/\u82e5\u4e3a\u97f3\u9891\n    {\n        frame = m_pPcmFrame;\/\/\u6b64\u65f6frame\u662f\u89e3\u7801\u540e\u7684\u97f3\u9891\u6d41\n    }\n    int ret = avcodec_send_packet(m_pAVFormatCtx-&gt;streams[pkt-&gt;stream_index]-&gt;codec, pkt);\/\/\u53d1\u9001\u4e4b\u524d\u8bfb\u53d6\u7684pkt\n    if (ret != 0)\n    {\n        m_mutex.unlock();\n        return -1;\n    }\n\n    ret = avcodec_receive_frame(m_pAVFormatCtx-&gt;streams[pkt-&gt;stream_index]-&gt;codec, frame);\/\/\u89e3\u7801pkt\u540e\u5b58\u5165yuv\u4e2d\n    if (ret != 0)\n    {\n        m_mutex.unlock();\n        return -1;\n    }\n    \/\/qDebug() &lt;&lt; \"pts=\" &lt;&lt; frame-&gt;pts;\n\n    m_mutex.unlock();\n    int p = frame-&gt;pts*r2d(m_pAVFormatCtx-&gt;streams[pkt-&gt;stream_index]-&gt;time_base);\/\/\u5f53\u524d\u89e3\u7801\u7684\u663e\u793a\u65f6\u95f4\n    if (pkt-&gt;stream_index == m_audioStream)\/\/\u4e3a\u97f3\u9891\u6d41\u65f6\u8bbe\u7f6epts\n        m_pts = p;\n\n    return p;\n}<\/code><\/pre>\n<p>\n   \u8f6c\u6210RGB\uff1a\n  <\/p>\n<pre><code class=\"language-cpp\">bool FFmpeg::ToRGB(char *out, int outwidth, int outheight)\n{\n    m_mutex.lock();\n    if (!m_pAVFormatCtx || !m_pYuvFrame)\/\/\u672a\u6253\u5f00\u89c6\u9891\u6587\u4ef6\u6216\u8005\u672a\u89e3\u7801\n    {\n        m_mutex.unlock();\n        return false;\n    }\n    AVCodecContext *videoCtx = m_pAVFormatCtx-&gt;streams[m_videoStream]-&gt;codec;\n    m_pSwsCtx = sws_getCachedContext(m_pSwsCtx, videoCtx-&gt;width,\/\/\u521d\u59cb\u5316\u4e00\u4e2aSwsContext\n        videoCtx-&gt;height,\n        videoCtx-&gt;pix_fmt, \/\/\u8f93\u5165\u50cf\u7d20\u683c\u5f0f\n        outwidth, outheight,\n        AV_PIX_FMT_BGRA,\/\/\u8f93\u51fa\u50cf\u7d20\u683c\u5f0f\n        SWS_BICUBIC,\/\/\u8f6c\u7801\u7684\u7b97\u6cd5\n        NULL, NULL, NULL);\n\n    if (!m_pSwsCtx)\n    {\n        m_mutex.unlock();\n        printf(\"sws_getCachedContext  failed!\\n\");\n        return false;\n    }\n    uint8_t *data[AV_NUM_DATA_POINTERS] = { 0 };\n    data[0] = (uint8_t *)out;\/\/\u7b2c\u4e00\u4f4d\u8f93\u51faRGB\n    int linesize[AV_NUM_DATA_POINTERS] = { 0 };\n\n    linesize[0] = outwidth * 4;\/\/\u4e00\u884c\u7684\u5bbd\u5ea6\uff0c32\u4f4d4\u4e2a\u5b57\u8282\n    int h = sws_scale(m_pSwsCtx, m_pYuvFrame-&gt;data, \/\/\u5f53\u524d\u5904\u7406\u533a\u57df\u7684\u6bcf\u4e2a\u901a\u9053\u6570\u636e\u6307\u9488\n        m_pYuvFrame-&gt;linesize,\/\/\u6bcf\u4e2a\u901a\u9053\u884c\u5b57\u8282\u6570\n        0, videoCtx-&gt;height,\/\/\u539f\u89c6\u9891\u5e27\u7684\u9ad8\u5ea6\n        data,\/\/\u8f93\u51fa\u7684\u6bcf\u4e2a\u901a\u9053\u6570\u636e\u6307\u9488\n        linesize\/\/\u6bcf\u4e2a\u901a\u9053\u884c\u5b57\u8282\u6570\n        );\/\/\u5f00\u59cb\u8f6c\u7801\n\n\n    if (h &gt; 0)\n    {\n        printf(\"(%d)\", h);\n    }\n\n    m_mutex.unlock();\n    return true;\n}\n<\/code><\/pre>\n<p>\n   \u8f6c\u6210PCM\uff1a\n  <\/p>\n<pre><code class=\"language-cpp\">int FFmpeg::ToPCM(char *out)\n{\n    m_mutex.lock();\n    if (!m_pAVFormatCtx || !m_pPcmFrame || !out)\/\/\u6587\u4ef6\u672a\u6253\u5f00\uff0c\u89e3\u7801\u5668\u672a\u6253\u5f00\uff0c\u65e0\u6570\u636e\n    {\n        m_mutex.unlock();\n        return 0;\n    }\n    AVCodecContext *avCodecCtx_Audio = m_pAVFormatCtx-&gt;streams[m_audioStream]-&gt;codec;\/\/\u97f3\u9891\u89e3\u7801\u5668\u4e0a\u4e0b\u6587\n    if(m_pSwrCtx == NULL)\n    {\n        m_pSwrCtx = swr_alloc();\/\/\u521d\u59cb\u5316\n        swr_alloc_set_opts(m_pSwrCtx,avCodecCtx_Audio-&gt;channel_layout,AV_SAMPLE_FMT_S16,\n              avCodecCtx_Audio-&gt;sample_rate,\n              avCodecCtx_Audio-&gt;channels,\n              avCodecCtx_Audio-&gt;sample_fmt,\n              avCodecCtx_Audio-&gt;sample_rate, 0,0);\n\n        swr_init(m_pSwrCtx);\n    }\n    uint8_t  *data[1];\n    data[0] = (uint8_t *)out;\n    int len = swr_convert(m_pSwrCtx, data, 10000, (const uint8_t **)m_pPcmFrame-&gt;data, m_pPcmFrame-&gt;nb_samples);\n    if(len &lt;= 0)\n    {\n        m_mutex.unlock();\n        return 0;\n    }\n\n    int outsize = av_samples_get_buffer_size(NULL, avCodecCtx_Audio-&gt;channels,\n        m_pPcmFrame-&gt;nb_samples,AV_SAMPLE_FMT_S16,0);\n\n    m_mutex.unlock();\n\n    return outsize;\n}<\/code><\/pre>\n<p>\n   FFmpeg\u7c7b\u7684\u5c01\u88c5\uff0c\u5927\u81f4\u5c31\u662f\u4e0a\u9762\u8fd9\u51e0\u6b65\u3002\n  <\/p>\n<p>\n   \u4e4b\u524d\u7684\u6587\u7ae0\u94fe\u63a5\uff0c\u5927\u5bb6\u53ef\u4ee5\u70b9\u51fb\u53c2\u8003\uff1a\n  <\/p>\n<p>\n   <a class=\"link-info\" href=\"https:\/\/blog.csdn.net\/ifeng12358\/article\/details\/121360262\" title=\"FFmpeg\u5f00\u53d1(\u56db)\u2014\u2014Qt\u5b9e\u73b0\u4e00\u4e2a\u89c6\u9891\u64ad\u653e\u5668(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3)\"><br \/>\n    FFmpeg\u5f00\u53d1(\u56db)\u2014\u2014Qt\u5b9e\u73b0\u4e00\u4e2a\u89c6\u9891\u64ad\u653e\u5668(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3)<br \/>\n   <\/a>\n  <\/p>\n<p>\n   <a class=\"link-info\" href=\"https:\/\/blog.csdn.net\/ifeng12358\/article\/details\/121360840\" title=\"FFmpeg\u5f00\u53d1(\u4e94)\u2014\u2014Qt\u89c6\u9891\u64ad\u653e\u5668\u4e4b\u5c01\u88c5FFmpeg\u7c7b(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3)\"><br \/>\n    FFmpeg\u5f00\u53d1(\u4e94)\u2014\u2014Qt\u89c6\u9891\u64ad\u653e\u5668\u4e4b\u5c01\u88c5FFmpeg\u7c7b(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3)<br \/>\n   <\/a>\n  <\/p>\n<p>\n   <a class=\"link-info\" href=\"https:\/\/blog.csdn.net\/ifeng12358\/article\/details\/121361425\" title=\"FFmpeg\u5f00\u53d1(\u516d)\u2014\u2014Qt\u89c6\u9891\u64ad\u653e\u5668\u4e4b\u5c01\u88c5\u97f3\u9891\u7c7b(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3)\"><br \/>\n    FFmpeg\u5f00\u53d1(\u516d)\u2014\u2014Qt\u89c6\u9891\u64ad\u653e\u5668\u4e4b\u5c01\u88c5\u97f3\u9891\u7c7b(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3)<br \/>\n   <\/a>\n  <\/p>\n<p>\n   <a class=\"link-info\" href=\"https:\/\/blog.csdn.net\/ifeng12358\/article\/details\/121361103\" title=\"FFmpeg\u5f00\u53d1(\u4e03)\u2014\u2014Qt\u89c6\u9891\u64ad\u653e\u5668\u4e4b\u64ad\u653e\u5217\u8868\u7c7b(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3)\"><br \/>\n    FFmpeg\u5f00\u53d1(\u4e03)\u2014\u2014Qt\u89c6\u9891\u64ad\u653e\u5668\u4e4b\u64ad\u653e\u5217\u8868\u7c7b(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3)<br \/>\n   <\/a>\n  <\/p>\n<p>\n   <a class=\"link-info\" href=\"https:\/\/blog.csdn.net\/ifeng12358\/article\/details\/121361506\" title=\"FFmpeg\u5f00\u53d1(\u516b)\u2014\u2014Qt\u89c6\u9891\u64ad\u653e\u5668\u4e4b\u591a\u7ebf\u7a0b\u7684\u4f7f\u7528(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3)\"><br \/>\n    FFmpeg\u5f00\u53d1(\u516b)\u2014\u2014Qt\u89c6\u9891\u64ad\u653e\u5668\u4e4b\u591a\u7ebf\u7a0b\u7684\u4f7f\u7528(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3)<br \/>\n   <\/a>\n  <\/p>\n<p>\n   <a class=\"link-info\" href=\"https:\/\/blog.csdn.net\/ifeng12358\/article\/details\/121383584\" title=\"FFmpeg\u5f00\u53d1(\u4e5d)\u2014\u2014Qt\u89c6\u9891\u64ad\u653e\u5668\u4e4b\u5feb\u8fdb\u6ed1\u52a8\u6761(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3)\"><br \/>\n    FFmpeg\u5f00\u53d1(\u4e5d)\u2014\u2014Qt\u89c6\u9891\u64ad\u653e\u5668\u4e4b\u5feb\u8fdb\u6ed1\u52a8\u6761(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3)<br \/>\n   <\/a>\n  <\/p>\n<\/p>\n<p>\n   \u4e0b\u4e00\u7bc7\u4e3a\u5927\u5bb6\u4ecb\u7ecd\n  <\/p>\n<p>\n   <a class=\"link-info\" href=\"https:\/\/mp.csdn.net\/mp_blog\/creation\/editor\/121361425\" title=\"FFmpeg\u5f00\u53d1(\u516d)\u2014\u2014Qt\u89c6\u9891\u64ad\u653e\u5668\u4e4b\u5c01\u88c5\u97f3\u9891\u7c7b(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3)\"><br \/>\n    FFmpeg\u5f00\u53d1(\u516d)\u2014\u2014Qt\u89c6\u9891\u64ad\u653e\u5668\u4e4b\u5c01\u88c5\u97f3\u9891\u7c7b(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3)<br \/>\n   <\/a>\n  <\/p>\n<p>\n   <span style=\"color:#fe2c24;\"><br \/>\n    <strong><br \/>\n     \u672c\u6587\u539f\u521b\u4f5c\u8005\uff1a\u51af\u4e00\u5ddd\uff08ifeng12358@163.com\uff09\uff0c\u672a\u7ecf\u4f5c\u8005\u6388\u6743\u540c\u610f\uff0c\u8bf7\u52ff\u8f6c\u8f7d\u3002<br \/>\n    <\/strong><br \/>\n   <\/span>\n  <\/p>\n<\/p><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>FFmpeg\u5f00\u53d1(\u4e94)\u2014\u2014Qt\u89c6\u9891\u64ad\u653e\u5668\u4e4b\u5c01\u88c5FFmpeg\u7c7b(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3) \u4e0a\u4e00\u7bc7\u4ecb\u7ecd\u4e86\uff0c\u4f7f\u7528Q [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":215,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-2603","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-11"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>FFmpeg\u5f00\u53d1(\u4e94)\u2014\u2014Qt\u89c6\u9891\u64ad\u653e\u5668\u4e4b\u5c01\u88c5FFmpeg\u7c7b(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3) - \u7269\u5ae9\u8f6f\u4ef6\u8d44\u8baf\u7f51<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.wunen.com\/index.php\/2025\/05\/22\/ffmpeg\u5f00\u53d1\u4e94-qt\u89c6\u9891\u64ad\u653e\u5668\u4e4b\u5c01\u88c5ffmpeg\u7c7b\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FFmpeg\u5f00\u53d1(\u4e94)\u2014\u2014Qt\u89c6\u9891\u64ad\u653e\u5668\u4e4b\u5c01\u88c5FFmpeg\u7c7b(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3) - \u7269\u5ae9\u8f6f\u4ef6\u8d44\u8baf\u7f51\" \/>\n<meta property=\"og:description\" content=\"FFmpeg\u5f00\u53d1(\u4e94)\u2014\u2014Qt\u89c6\u9891\u64ad\u653e\u5668\u4e4b\u5c01\u88c5FFmpeg\u7c7b(\u53c2\u8003\u4e86\u66b4\u98ce\u5f71\u97f3\u3001\u8fc5\u96f7\u5f71\u97f3) 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