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aacparse/rtpmp4apay/depay: Add support for LATM

Sanchayan Maity requested to merge SanchayanMaity/gst-plugins-good:aacparser-latm-mcp1 into master

For testing aacparse, used the below pipelines.

gst-launch-1.0 audiotestsrc volume=0.4 ! audioconvert ! fdkaacenc ! audio/mpeg,rate=44100,channels=2,stream-format=loas ! aacparse ! fdkaacdec ! audioconvert ! alsasink
gst-launch-1.0 audiotestsrc volume=0.4 ! audioconvert ! fdkaacenc ! audio/mpeg,rate=44100,channels=2,stream-format=latm-mcp1 ! aacparse ! fdkaacdec ! audioconvert ! alsasink
gst-launch-1.0 audiotestsrc volume=0.4 ! audioconvert ! fdkaacenc ! audio/mpeg,rate=44100,channels=2,stream-format=latm-mcp0 ! aacparse ! fdkaacdec ! audioconvert ! alsasink

For testing rtpmp4apay/depay, used the below pipelines

gst-launch-1.0 audiotestsrc volume=0.4 ! audioconvert ! fdkaacenc ! audio/mpeg,rate=44100,channels=2,stream-format=raw ! rtpmp4apay ! application/x-rtp,clock-rate=44100,stream-format=raw ! rtpmp4adepay ! avdec_aac ! audioconvert ! alsasink
gst-launch-1.0 audiotestsrc volume=0.4 ! audioconvert ! fdkaacenc ! audio/mpeg,rate=44100,channels=2,stream-format=latm-mcp1 ! rtpmp4apay ! application/x-rtp,clock-rate=44100,stream-format=latm-mcp1 ! rtpmp4adepay ! fdkaacdec ! audioconvert ! alsasink
gst-launch-1.0 audiotestsrc volume=0.4 ! audioconvert ! fdkaacenc ! audio/mpeg,rate=44100,channels=2,stream-format=latm-mcp0 ! rtpmp4apay ! application/x-rtp,clock-rate=44100,stream-format=latm-mcp0 ! rtpmp4adepay ! fdkaacdec ! audioconvert ! alsasink

See the corresponding support in fdkaacenc here for generating an AAC stream with loas or latm-mcp0/1.

Edited by Sanchayan Maity

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