Gstreamer - Revision history

JulienB: /* Take photos */

2017-12-14T14:13:41Z

‎Take photos

JulienB: /* Take photos */

2017-12-14T14:03:51Z

‎Take photos

JulienB: /* APF6 with Freescale kernel */

2017-12-14T13:59:48Z

‎APF6 with Freescale kernel

JulienB: /* Take photos */

2017-07-26T13:20:53Z

‎Take photos

JulienB: /* Video */

2016-04-11T15:56:37Z

‎Video

JulienB: /* APF6 */

2016-04-11T15:49:49Z

‎APF6

JulienB: /* APF6 */

2015-03-25T20:50:59Z

‎APF6

JulienB: /* Links */

2015-03-25T13:08:47Z

‎Links

JulienB at 09:01, 25 March 2015

2015-03-25T09:01:56Z

JulienB: /* Audio */

2015-03-25T09:00:17Z

‎Audio

@@ Line 197: / Line 197: @@
 </pre>
-{{Note|''ffmpegcolorspace'' should be replaced with ''videoconvert'' on recent gstreamer versions (1.10+) and ''pngenc'' can be replaced with ''jpegenc'' for JPEG format. ''v4l2src'' should be replaced by ''imxv4l2src'' on Freescale kernels}}
+{{Note|''ffmpegcolorspace'' should be replaced with ''videoconvert'' on recent gstreamer versions (1.10+) and ''pngenc'' can be replaced with ''jpegenc'' for JPEG format. ''v4l2src'' should be replaced by ''imxv4l2videosrc'' on Freescale kernels}}
 ==APF6 with Freescale kernel==

@@ Line 197: / Line 197: @@
 </pre>
-{{Note|''ffmpegcolorspace'' should be replaced with ''videoconvert'' on recent gstreamer versions (1.10+) and ''pngenc'' can be replaced with ''jpegenc'' for JPEG format.}}
+{{Note|''ffmpegcolorspace'' should be replaced with ''videoconvert'' on recent gstreamer versions (1.10+) and ''pngenc'' can be replaced with ''jpegenc'' for JPEG format. ''v4l2src'' should be replaced by ''imxv4l2src'' on Freescale kernels}}
 ==APF6 with Freescale kernel==

@@ Line 200: / Line 200: @@
 ==APF6 with Freescale kernel==
-On the APF6 with legacy Freescale kernel (apf6legacy_defconfig), you can use hardware H.264 VPU to decode/encode videos without using CPU.
+On the APF6 with legacy Freescale kernel (''apf6legacy_defconfig'' or ''apf6legacy-4.1_defconfig''), you can use hardware H.264 VPU to decode/encode videos without using CPU.
 * First get some video for test ;-)
 <pre class="apf">
@@ Line 217: / Line 217: @@
      demux. ! queue max-size-buffers=0 max-size-time=0 ! vpudec ! mfw_v4lsink \
      demux. ! queue max-size-buffers=0 max-size-time=0 ! decodebin ! audioconvert ! audioresample ! alsasink
 </pre>

@@ Line 186: / Line 186: @@
                [*]   png (PNG support)
 </pre>
 <pre class="apf">
-# gst-launch v4l2src ! video/x-raw-rgb,width=1024,height=768 ! ffmpegcolorspace ! pngenc ! filesink location=/root/photo.png
+# gst-launch v4l2src num-buffers=1 ! video/x-raw-rgb,width=1024,height=768 ! ffmpegcolorspace ! pngenc ! filesink location=/root/photo.png
 </pre>
 ==APF6 with Freescale kernel==

@@ Line 174: / Line 174: @@
 <pre class="apf">
 # gst-launch filesrc location=VIDEO_FILE_LOCATION ! mpegdemux ! mpeg2dec ! ffmpegcolorspace ! fbdevsink
 </pre>

@@ Line 191: / Line 191: @@
 * Same with audio:
 <pre class="apf">
-# gst-launch filesrc location=/usr/share/big_buck_bunny_480p_h264.mov ! qtdemux name=demux demux. ! queue max-size-buffers=0 max-size-time=0 ! vpudec ! mfw_v4lsink demux. ! queue max-size-buffers=0 max-size-time=0 ! alsasink
+# gst-launch filesrc location=/usr/share/big_buck_bunny_480p_h264.mov ! qtdemux name=demux \
 </pre>

← Older revision		Revision as of 09:01, 25 March 2015
Line 1:		Line 1:
−	~~{{Under_Construction}}~~

	==Installation==		==Installation==

@@ Line 65: / Line 65: @@
 <pre class="apf">
 # gst-launch audiotestsrc ! audioconvert ! audioresample ! alsasink
-Setting pipeline to PAUSED ...
+</pre>
-Pipeline is PREROLLING ...
+* same test but with a given sound card (if you have more than one like on the [[APF6Dev]]):
-Pipeline is PREROLLED ...
+<pre class="apf">
-Setting pipeline to PLAYING ...
+# gst-launch audiotestsrc ! audioconvert ! audioresample ! alsasink device='sysdefault:CARD=imxhdmisoc'
-New clock: GstAudioSinkClock
 </pre>
 * play a music file (here a .ogg, supposing the libgstogg plugin was installed):
@@ Line 75: / Line 74: @@
 # gst-launch filesrc location=toto.ogg ! decodebin ! audioconvert ! audioresample ! alsasink
 </pre>
-* record a sound from a mic (APF27 only) and store it as an uncompressed wav file:
+* record a sound from an Input Line/Mic and store it as an uncompressed wav file:
 <pre class="apf">
 # gst-launch alsasrc ! audioconvert ! audioresample ! wavenc ! filesink location=mic.wav
 </pre>
-* record a sound from a mic (APF27 only) and compress it (ogg/worbis):
+* record a sound from an Input Line/Mic and compress it (ogg/worbis):
 <pre class="apf">
 # gst-launch alsasrc ! audioconvert ! audioresample ! vorbisenc ! oggmux ! filesink location=mic.ogg
 </pre>
-* record a sound from a mic (APF27 only) @ 8KHz (16KHz is too CPU consuming), compress it with [[Speex]] and send it to your Host (here 192.168.1.2) at port 6666:
+* record a sound from an Input Line/Mic @ 8KHz (16KHz is too CPU consuming on [[APF27]]), compress it with [[Speex]] and send it to your Host (here 192.168.1.2) at port 6666:
 <pre class="apf">
 # gst-launch -v alsasrc ! audioconvert ! audioresample ! 'audio/x-raw-int,rate=8000,width=16,channels=1' ! speexenc ! rtpspeexpay ! udpsink host=192.168.1.2 port=6666
 </pre>
 <pre class="host">
 $ gst-launch udpsrc port=6666 caps="application/x-rtp, media=(string)audio, clock-rate=(int)16000, encoding-name=(string)SPEEX, encoding-params=(string)1, payload=(int)110" ! gstrtpjitterbuffer ! rtpspeexdepay ! speexdec ! audioconvert ! audioresample ! autoaudiosink
 </pre>
 <pre class="host">
 $ gst-launch udpsrc port=6666 caps="application/x-rtp, media=(string)audio, clock-rate=(int)16000, encoding-name=(string)SPEEX, encoding-params=(string)1, payload=(int)110" ! gstrtpjitterbuffer ! rtpspeexdepay ! speexdec ! audioconvert ! audioresample ! wavenc ! filesink location=toto.wav