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Assert in celt_decoder when custom modes are disabled
I can't reproduce this issue outside of WebKit unfortunately. With a libopus built with --enable-custom-modes=no, open a youtube video (make sure MediaSource webkit websetting is turned on).
Fatal (internal) error in /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/libopus-1.3-rc2/celt/celt_decoder.c, line 118: assertion failed: st->mode == opus_custom_mode_create(48000, 960, NULL)
(gdb) bt
#0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#1 0x00007f54bd4e82f1 in __GI_abort () at abort.c:79
#2 0x00007f545143e81f in celt_fatal () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/libopus-1.3-rc2/celt/arch.h:76
#3 0x00007f5451446a65 in validate_celt_decoder () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/libopus-1.3-rc2/celt/celt_decoder.c:118
#4 0x00007f5451446b84 in celt_decode_with_ec () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/libopus-1.3-rc2/celt/celt_decoder.c:867
#5 0x00007f545146d7bf in opus_decode_frame () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/libopus-1.3-rc2/src/opus_decoder.c:518
#6 0x00007f545146eb16 in opus_decode_native () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/libopus-1.3-rc2/src/opus_decoder.c:721
#7 0x00007f545147810a in opus_multistream_decode_native () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/libopus-1.3-rc2/src/opus_multistream_decoder.c:253
#8 0x00007f54514784b9 in opus_multistream_decode () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/libopus-1.3-rc2/src/opus_multistream_decoder.c:398
#9 0x00007f545275c134 in opus_dec_chain_parse_data () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/gst-plugins-base-1.14.4/ext/opus/gstopusdec.c:630
#10 0x00007f545275d5b3 in gst_opus_dec_handle_frame () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/gst-plugins-base-1.14.4/ext/opus/gstopusdec.c:908
#11 0x00007f54bf915dc9 in gst_audio_decoder_push_buffers () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/gst-plugins-base-1.14.4/gst-libs/gst/audio/gstaudiodecoder.c:1540
#12 0x00007f54bf91615b in gst_audio_decoder_chain_forward () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/gst-plugins-base-1.14.4/gst-libs/gst/audio/gstaudiodecoder.c:1654
#13 0x00007f54bf917377 in gst_audio_decoder_chain () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/gst-plugins-base-1.14.4/gst-libs/gst/audio/gstaudiodecoder.c:1914
#14 0x00007f54bfa0daba in gst_pad_chain_data_unchecked () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/gstreamer-1.14.4/gst/gstpad.c:4322
#15 gst_pad_push_data () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/gstreamer-1.14.4/gst/gstpad.c:4578
#16 0x00007f54bfa15c32 in gst_pad_push () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/gstreamer-1.14.4/gst/gstpad.c:4697
#17 0x00007f54bfa0daba in gst_pad_chain_data_unchecked () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/gstreamer-1.14.4/gst/gstpad.c:4322
#18 gst_pad_push_data () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/gstreamer-1.14.4/gst/gstpad.c:4578
#19 0x00007f54bfa15c32 in gst_pad_push () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/gstreamer-1.14.4/gst/gstpad.c:4697
#20 0x00007f54bf9fbcbb in gst_proxy_pad_chain_default () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/gstreamer-1.14.4/gst/gstghostpad.c:127
#21 0x00007f54bfa0daba in gst_pad_chain_data_unchecked () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/gstreamer-1.14.4/gst/gstpad.c:4322
#22 gst_pad_push_data () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/gstreamer-1.14.4/gst/gstpad.c:4578
#23 0x00007f54bfa15c32 in gst_pad_push () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/gstreamer-1.14.4/gst/gstpad.c:4697
#24 0x00007f54bf9fbcbb in gst_proxy_pad_chain_default () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/gstreamer-1.14.4/gst/gstghostpad.c:127
#25 0x00007f54c69d892b in webkitMediaSrcChain(_GstPad*, _GstObject*, _GstBuffer*) () from /home/phil/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#26 0x00007f54bfa0daba in gst_pad_chain_data_unchecked () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/gstreamer-1.14.4/gst/gstpad.c:4322
#27 gst_pad_push_data () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/gstreamer-1.14.4/gst/gstpad.c:4578
#28 0x00007f54bfa15c32 in gst_pad_push () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/gstreamer-1.14.4/gst/gstpad.c:4697
#29 0x00007f54bfb13485 in gst_base_src_loop () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/gstreamer-1.14.4/libs/gst/base/gstbasesrc.c:2957
#30 0x00007f54bfa41cb1 in gst_task_func () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/gstreamer-1.14.4/gst/gsttask.c:332
#31 0x00007f54beb78933 in g_thread_pool_thread_proxy () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gthreadpool.c:307
#32 0x00007f54beb77fd5 in g_thread_proxy () at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gthread.c:784
#33 0x00007f54c06edf2a in start_thread (arg=0x7f54537fe700) at pthread_create.c:463
#34 0x00007f54bd5a8edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95I don't understand this assert, pointer comparison doesn't make much sense to me in this context.