<div dir="ltr">Hello,<div><br></div><div>I am newbie about gstreamer.</div><div>I just installed gstreamer on my MacOS via <a href="https://gstreamer.freedesktop.org/download/#macos:~:text=current%20stable%20version)-,1.22.0%20runtime%20installer,-1.22.0%20development%20installer">this</a> and <a href="https://gstreamer.freedesktop.org/data/pkg/osx/1.22.0/gstreamer-1.0-devel-1.22.0-universal.pkg">this</a>.</div><div>And then I installed glib and glib-networking via brew install.</div><div>Then I git cloned <a href="https://github.com/GStreamer/gst-docs.git">gst-docs</a>.</div><div><br></div><div>And then I added some variable settings in ~/.zshrc as shown below:</div><div><br></div><div> <p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">export PATH="$PATH:/Library/Frameworks/GStreamer.framework/Versions/Current/bin"</span></p> <p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:Menlo;color:rgb(0,0,0);min-height:21px"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"></span></p> <p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">export GST_DEBUG="*:2"</span></p> <p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:Menlo;color:rgb(0,0,0);min-height:21px"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"></span><br></p> <p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">export PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/Library/Frameworks/GStreamer.framework/Versions/1.0/lib/pkgconfig</span></p> <p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">export GIO_EXTRA_MODULES=/Library/Frameworks/GStreamer.framework/Libraries/gio/modules/</span></p></div><div><br></div><div>And finally I was able to compile the example code - <span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0);font-family:Menlo;font-size:18px">gst-docs/examples/tutorials/</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0);font-family:Menlo;font-size:18px">basic-tutorial-1.c</span></div><div><br></div><div>The makefile I use is as shown below:</div><div><br></div><div> <p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">CFLAGS= \</span></p> <p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-converted-space"> </span>-I/opt/homebrew/Cellar/glib/2.74.5/include/glib-2.0 \</span></p> <p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-converted-space"> </span>-I/opt/homebrew/Cellar/glib/2.74.5/lib/glib-2.0/include</span></p> <p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:Menlo;color:rgb(0,0,0);min-height:21px"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"></span><br></p> <p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">all:</span></p> <p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>gcc -o basic-tutorial-1 \</span></p> <p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>${CFLAGS} \</span></p> <p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>`pkg-config --cflags gstreamer-plugins-base-1.0` \</span></p> <p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>basic-tutorial-1.c \</span></p> <p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>`pkg-config --libs gstreamer-plugins-base-1.0`</span></p> <p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:Menlo;color:rgb(0,0,0);min-height:21px"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"></span><br></p> <p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">clean:</span></p> <p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>rm basic-tutorial-1</span></p></div><div><br></div><div><br></div><div>So I was able to compile the example as found the binary - <span style="color:rgb(0,0,0);font-family:Menlo;font-size:18px;font-variant-ligatures:no-common-ligatures">basic-tutorial-1</span></div><div>And I tested this binary. But this only plays audio. The video doesn't come out.</div><div><br></div><div>So I tried the gst-launch as shown below:</div><div><br></div><div> <p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:18px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">gst-launch-1.0 playbin uri=<a href="https://www.freedesktop.org/software/gstreamer-sdk/data/media/sintel_trailer-480p.webm">https://www.freedesktop.org/software/gstreamer-sdk/data/media/sintel_trailer-480p.webm</a></span></p></div><div><br></div><div>This produces video and audio both be played very well.</div><div><br></div><div>I'd like to know what I missed to make basic-tutorial-1 produces video also.</div><div><br></div><div>These doesn't appear any error or warning..</div><div><br></div><div>Can someone help me?</div><div><br></div><div>I am on Macbook Pro Ventura 13.0.1</div><div><br></div><div><br></div><div>And I found a file - <span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0);font-family:Menlo;font-size:18px">/Library/Frameworks/GStreamer.framework/</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0);font-family:Menlo;font-size:18px">Versions/1.0/share/gstreamer/gst-env</span></div> <div><br></div><div>And I found the variable settings in this file seemed important. How am I supposed to use this file? Isn't this file related with my problem?</div><div><br></div><div>Thank you very much!</div><div><br></div><div><br></div><div><br></div><div><br></div><div><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0);font-family:Menlo;font-size:18px"><br></span></div> </div>