<div dir="ltr"><div>Hello.<br></div>I stream video over udp and can't calculate pts/dts.<br><br><br clear="all"><div><div> outputStream_->sample_aspect_ratio.den = inputCodecContext_->sample_aspect_ratio.den;<br>
    outputStream_->sample_aspect_ratio.num = inputCodecContext_->sample_aspect_ratio.num;<br>    outputStream_->time_base.num = 1;<br>    outputStream_->time_base.den = frame_rate_ * inputCodecContext_->ticks_per_frame;<br>
    outputStream_->time_base.num = 1;<br>    outputStream_->time_base.den = 1000;<br>    outputStream_->r_frame_rate.num = frame_rate_;<br>    outputStream_->r_frame_rate.den = 1;<br>    outputStream_->avg_frame_rate.den = 1;<br>
    outputStream_->avg_frame_rate.num = frame_rate_;<br>    outputStream_->codec->bit_rate = inputCodecContext_->bit_rate;<br>    //outputStream_->duration = (m_out_end_time - m_out_start_time) * 1000;<br>    outputStream_->duration = inputFormatContext_->duration;<br>
    outputFormatContext_->bit_rate = inputFormatContext_->bit_rate;<br><br>    ret = avcodec_open2(outputStream_->codec, encoder_, NULL);<br><br>    if (unlikely(ret < 0))<br>        setErrorFromAvError(ret);<br>
<br><br>    ret = avio_open(&outputFormatContext_->pb, url, AVIO_FLAG_WRITE);<br><br>    if (unlikely(ret < 0))<br>        setErrorFromAvError(ret);<br><br>    is_open_ = true;<br><br>    SwsContext* img_convert_context =<br>
                sws_getCachedContext(NULL, inputCodecContext_->width, inputCodecContext_->height,<br>                                     inputCodecContext_->pix_fmt,<br>                                     outputStream_->codec->width, outputStream_->codec->height,<br>
                                     AV_PIX_FMT_YUV420P, SWS_FAST_BILINEAR, NULL, NULL, NULL);<br><br>    if (img_convert_context != NULL)<br>        swsContext_= boost::shared_ptr<SwsContext> (img_convert_context, sws_freeContext);<br>
<br>    if (likely(is_open_)) {<br><br>        AVFrame* frame = av_frame_alloc();<br>        AVPacket packet, outputPacket;<br>        outputPacket.size = 0;<br>        outputPacket.data = NULL;<br>        AVPicture pict;<br>
        avpicture_alloc(&pict, AV_PIX_FMT_YUV420P, inputCodecContext_->width, inputCodecContext_->height);<br>        //int vid_pts = 0;<br><br>        while (av_read_frame(inputFormatContext_, &packet) >= 0) {<br>
            outputStream_->pts = {0, 1, 1000};<br><br>            if (packet.stream_index == 1) {<br>                int frame_finished;<br>                std::cout << "packet.dts " << packet.dts << " packet.pts " << packet.pts << std::endl;<br>
                /*packet.dts = av_rescale_q_rnd(packet.dts,<br>                        inputFormatContext_->streams[inputVideoStreamIndex_]->time_base,<br>                        inputFormatContext_->streams[inputVideoStreamIndex_]->codec->time_base,<br>
                        static_cast<AVRounding> (AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX));<br>                packet.pts = av_rescale_q_rnd(packet.pts,<br>                        inputFormatContext_->streams[inputVideoStreamIndex_]->time_base,<br>
                        inputFormatContext_->streams[inputVideoStreamIndex_]->codec->time_base,<br>                        static_cast<AVRounding> (AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX));*/<br>                avcodec_decode_video2(inputCodecContext_.get(), frame, &frame_finished, &packet);<br>
<br>                if (frame_finished) {<br>                    sws_scale(swsContext_.get(), frame->data, frame->linesize, 0, inputCodecContext_->height, pict.data, pict.linesize);<br>                    int got_packet = 0;<br>
                    int stream_index = 0;<br>                    outputPacket.stream_index = stream_index;<br>                    frame->pict_type = AV_PICTURE_TYPE_NONE;<br>                    av_init_packet(&outputPacket);<br>
                    outputPacket.stream_index = 0;<br>                    outputPacket.flags = AV_PKT_FLAG_KEY;<br>                    outputPacket.duration = packet.duration;<br><br>                    avcodec_encode_video2(outputStream_->codec, &outputPacket, frame, &got_packet);<br>
<br>                    std::cout << "packet.dts " << packet.dts << " packet.pts " << packet.pts << std::endl;<br>                    outputPacket.dts = av_rescale_q_rnd(outputPacket.dts,<br>
                            inputFormatContext_->streams[inputVideoStreamIndex_]->time_base,<br>                            inputFormatContext_->streams[inputVideoStreamIndex_]->codec->time_base,<br>                            static_cast<AVRounding> (AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX));<br>
                    outputPacket.pts = av_rescale_q_rnd(outputPacket.pts,<br>                            inputFormatContext_->streams[inputVideoStreamIndex_]->time_base,<br>                            inputFormatContext_->streams[inputVideoStreamIndex_]->codec->time_base,<br>
                            static_cast<AVRounding> (AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX));<br>                    outputPacket.duration = packet.duration;<br>                    //outputPacket.pts = vid_pts ++;<br>
<br>                    if (got_packet) {<br>                        outputPacket.stream_index = 0;<br>                        av_interleaved_write_frame(outputFormatContext_.get(), &outputPacket);<br>                    }<br>
<br>                    av_free_packet(&outputPacket);<br>                    outputPacket.size = 0;<br>                    outputPacket.data = NULL;<br>                }<br>            }<br>        }<br><br>        avpicture_free(&pict);<br>
<br>        av_free_packet(&packet);<br>        // Free the YUV frame<br>        av_free(frame);<br>    }<br><br></div><div>vlc shows video frames with losts order, ffplay shows file but not all<br></div><div><br>-- <br>
Regards,<br>Dmitry
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