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Sur d’autres sites (8243)

  • avformat/mxfdec : do not log warning of multiple ANC packets if count is 0

    4 août 2022, par Gavin Smith
    avformat/mxfdec : do not log warning of multiple ANC packets if count is 0

    Some NLVEs may insert a KLV packet for EIA-608 data even though
    
the number of encapsulated ANC packets is zero.
    • [DH] libavformat/mxfdec.c

  • "wrong sample count" When reading MP4 files using OpenCV

    26 octobre 2022, par Object Unknown

    I want to marge some mp4 videos using OpenCV library, but when I try to read those videos using cv::VideoCapture, it outputs like that :

    


    [mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[h264 @ 000001EB9AAE9D80] co located POCs unavailable
[h264 @ 000001EB9AAE7D80] co located POCs unavailable
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[h264 @ 000001EB9A128600] co located POCs unavailable
[h264 @ 000001EB9A129840] co located POCs unavailable
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB9AA28E40] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[h264 @ 000001EB9A169B00] co located POCs unavailable
[h264 @ 000001EB9A16B680] co located POCs unavailable
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[h264 @ 000001EB960CD680] co located POCs unavailable
[h264 @ 000001EB960CC8C0] co located POCs unavailable
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[h264 @ 000001EB9A81DDC0] co located POCs unavailable
[h264 @ 000001EB9A81B000] co located POCs unavailable
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[h264 @ 000001EB960CB200] co located POCs unavailable
[h264 @ 000001EB960CBFC0] co located POCs unavailable
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[h264 @ 000001EB99F206C0] co located POCs unavailable
[h264 @ 000001EB99F20B40] co located POCs unavailable
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[h264 @ 000001EB9A81D480] co located POCs unavailable
[h264 @ 000001EB9A81B000] co located POCs unavailable
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[h264 @ 000001EB9AD02C00] co located POCs unavailable
[h264 @ 000001EB9AD02300] co located POCs unavailable
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[h264 @ 000001EB9A81B480] co located POCs unavailable
[h264 @ 000001EB9A81B940] co located POCs unavailable
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[h264 @ 000001EB9AD02780] co located POCs unavailable
[h264 @ 000001EB9AD01E40] co located POCs unavailable
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001EB96084B80] wrong sample count


    


    and just exited with exit value 0. I want to know why it is reporting this and how to solve it please.

    


    Heres my demo code :

    


    #include <string>&#xA;#include <iostream>&#xA;#include <opencv2></opencv2>core/core.hpp>&#xA;#include <opencv2></opencv2>video/video.hpp>&#xA;#include <opencv2></opencv2>imgproc/imgproc.hpp>&#xA;#include <opencv2></opencv2>videoio/videoio.hpp>&#xA;#include <opencv2></opencv2>highgui/highgui.hpp>&#xA;&#xA;int main()&#xA;{&#xA;        cv::Mat frame;&#xA;        cv::VideoCapture vcap;&#xA;        for (int i = 1; i &lt;= 60; i&#x2B;&#x2B;)&#xA;        {&#xA;            if (!vcap.open("G:\\Users\\15819\\Desktop\\Demo\\demo (" &#x2B; std::to_string(i) &#x2B; ").mp4"))&#xA;            {&#xA;                std::cout &lt;&lt; "Failed to Open File: demo (" &lt;&lt; i &lt;&lt; ").mp4" &lt;&lt; std::endl;&#xA;                continue;&#xA;            }&#xA;            while (!vcap.read(frame))&#xA;                cv::imshow("video", frame);&#xA;        }&#xA;        return 0;&#xA;}&#xA;</iostream></string>

    &#xA;

    I installed the OpenCV and FFmpeg library using vcpkg, here's the library information (displayed by vcpkg list command) :

    &#xA;

    ffmpeg:x64-windows                                4.4.1#21            a library to decode, encode, transcode, mux, dem...&#xA;ffmpeg:x86-windows                                4.4.1#21            a library to decode, encode, transcode, mux, dem...&#xA;ffmpeg[avcodec]:x64-windows                                           Build the avcodec library&#xA;ffmpeg[avcodec]:x86-windows                                           Build the avcodec library&#xA;ffmpeg[avdevice]:x64-windows                                          Build the avdevice library&#xA;ffmpeg[avdevice]:x86-windows                                          Build the avdevice library&#xA;ffmpeg[avfilter]:x64-windows                                          Build the avfilter library&#xA;ffmpeg[avfilter]:x86-windows                                          Build the avfilter library&#xA;ffmpeg[avformat]:x64-windows                                          Build the avformat library&#xA;ffmpeg[avformat]:x86-windows                                          Build the avformat library&#xA;ffmpeg[openh264]:x64-windows                                          H.264 de/encoding via openh264&#xA;ffmpeg[openh264]:x86-windows                                          H.264 de/encoding via openh264&#xA;ffmpeg[swresample]:x64-windows                                        Build the swresample library&#xA;ffmpeg[swresample]:x86-windows                                        Build the swresample library&#xA;ffmpeg[swscale]:x64-windows                                           Build the swscale library&#xA;ffmpeg[swscale]:x86-windows                                           Build the swscale library&#xA;opencv4:x64-windows                               4.6.0#6             computer vision library&#xA;opencv4:x86-windows                               4.6.0#6             computer vision library&#xA;opencv4[default-features]:x64-windows                                 Platform-dependent default features&#xA;opencv4[default-features]:x86-windows                                 Platform-dependent default features&#xA;opencv4[dnn]:x64-windows                                              Enable dnn module&#xA;opencv4[dnn]:x86-windows                                              Enable dnn module&#xA;opencv4[ffmpeg]:x64-windows                                           ffmpeg support for opencv&#xA;opencv4[ffmpeg]:x86-windows                                           ffmpeg support for opencv&#xA;opencv4[jpeg]:x64-windows                                             JPEG support for opencv&#xA;opencv4[jpeg]:x86-windows                                             JPEG support for opencv&#xA;opencv4[png]:x64-windows                                              PNG support for opencv&#xA;opencv4[png]:x86-windows                                              PNG support for opencv&#xA;opencv4[qt]:x64-windows                                               Qt GUI support for opencv&#xA;opencv4[qt]:x86-windows                                               Qt GUI support for opencv&#xA;opencv4[quirc]:x64-windows                                            Enable QR code module&#xA;opencv4[quirc]:x86-windows                                            Enable QR code module&#xA;opencv4[tiff]:x64-windows                                             TIFF support for opencv&#xA;opencv4[tiff]:x86-windows                                             TIFF support for opencv&#xA;opencv4[webp]:x64-windows                                             WebP support for opencv&#xA;opencv4[webp]:x86-windows                                             WebP support for opencv&#xA;opencv:x64-windows                                4.6.0               Computer vision library&#xA;opencv:x86-windows                                4.6.0               Computer vision library&#xA;opencv[default-features]:x64-windows                                  Platform-dependent default features&#xA;opencv[default-features]:x86-windows                                  Platform-dependent default features&#xA;opencv[dnn]:x64-windows                                               Enable dnn module&#xA;opencv[dnn]:x86-windows                                               Enable dnn module&#xA;opencv[jpeg]:x64-windows                                              JPEG support for opencv&#xA;opencv[jpeg]:x86-windows                                              JPEG support for opencv&#xA;opencv[png]:x64-windows                                               PNG support for opencv&#xA;opencv[png]:x86-windows                                               PNG support for opencv&#xA;opencv[quirc]:x64-windows                                             Enable QR code module&#xA;opencv[quirc]:x86-windows                                             Enable QR code module&#xA;opencv[tiff]:x64-windows                                              TIFF support for opencv&#xA;opencv[tiff]:x86-windows                                              TIFF support for opencv&#xA;opencv[webp]:x64-windows                                              WebP support for opencv&#xA;opencv[webp]:x86-windows                                              WebP support for opencv&#xA;

    &#xA;

    Other Environments :

    &#xA;

    OS: Windows 11 x64 Professional Workstation&#xA;IDE: Visual Studio 2022&#xA;Project C&#x2B;&#x2B; Standard: C&#x2B;&#x2B;14&#xA;Project Platform: x64 Release&#xA;

    &#xA;

  • avcodec/rpzaenc : count in packet size also fixed header

    17 novembre 2022, par Paul B Mahol
    avcodec/rpzaenc : count in packet size also fixed header
    • [DH] libavcodec/rpzaenc.c

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