fate/iamf: add a demuxing test for a stereo AAC IAMF sample

Signed-off-by: James Almer <jamrial@gmail.com>

tests/fate/iamf.mak

@@ -37,6 +37,11 @@ fate-iamf-ambisonic_1: CMD = transcode wav $(SRC) iamf "-auto_conversion_filters
   -streamid 0:0 -streamid 1:1 -streamid 2:2 -streamid 3:3 -map [MONO0] -map [MONO1] -map [MONO2] -map [MONO3] -c:a flac -t 1" "-c:a copy -map 0" \
   "-show_entries stream_group=index,id,nb_streams,type:stream_group_components:stream_group_stream=index,id:stream_group_stream_disposition"
 
+FATE_IAMF_SAMPLES-$(call FRAMECRC, IAMF, OPUS) += fate-iamf-stereo-demux
+fate-iamf-stereo-demux: CMD = stream_demux iamf $(TARGET_SAMPLES)/iamf/test_000076.iamf "" \
+  "-c:a copy -frames:a 0 -map 0:g:\#42" \
+  "-show_entries stream_group=index,id,nb_streams,type:stream_group_components:stream_group_stream=index,id:stream_group_stream_disposition"
+
 FATE_IAMF_SAMPLES-$(call FRAMECRC, IAMF, OPUS) += fate-iamf-5_1-demux
 fate-iamf-5_1-demux: CMD = stream_demux iamf $(TARGET_SAMPLES)/iamf/test_000059.iamf "" \
   "-c:a copy -frames:a 0 -map 0:g:\#42" \

tests/ref/fate/iamf-stereo-demux

@@ -0,0 +1,119 @@
+#extradata 0:        2, 0x00b200a1
+#tb 0: 1/48000
+#media_type 0: audio
+#codec_id 0: aac
+#sample_rate 0: 48000
+#channel_layout_name 0: stereo
+[STREAM_GROUP]
+index=0
+id=0x12c
+nb_streams=1
+type=IAMF Audio Element
+[COMPONENT]
+nb_layers=1
+audio_element_type=0
+default_w=0
+[SUBCOMPONENT]
+channel_layout=stereo
+output_gain_flags=0
+output_gain=0/1
+[/SUBCOMPONENT]
+[/COMPONENT]
+[STREAM]
+index=0
+id=0x0
+DISPOSITION:default=1
+DISPOSITION:dub=0
+DISPOSITION:original=0
+DISPOSITION:comment=0
+DISPOSITION:lyrics=0
+DISPOSITION:karaoke=0
+DISPOSITION:forced=0
+DISPOSITION:hearing_impaired=0
+DISPOSITION:visual_impaired=0
+DISPOSITION:clean_effects=0
+DISPOSITION:attached_pic=0
+DISPOSITION:timed_thumbnails=0
+DISPOSITION:non_diegetic=0
+DISPOSITION:captions=0
+DISPOSITION:descriptions=0
+DISPOSITION:metadata=0
+DISPOSITION:dependent=0
+DISPOSITION:still_image=0
+DISPOSITION:multilayer=0
+[/STREAM]
+[/STREAM_GROUP]
+[STREAM_GROUP]
+index=1
+id=0x2a
+nb_streams=1
+type=IAMF Mix Presentation
+[COMPONENT]
+nb_submixes=1
+[SUBCOMPONENT]
+en-us=test_mix_pres
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+nb_elements=1
+nb_layouts=1
+default_mix_gain=0/256
+[PIECE]
+stream_id=300
+default_mix_gain=0/256
+headphones_rendering_mode=0
+[SUBPIECE]
+en-us=test_sub_mix_0_audio_element_0
+[/SUBPIECE]
+[SUBPIECE]
+name=element_mix_config
+nb_subblocks=0
+type=0
+parameter_id=100
+parameter_rate=48000
+duration=0
+constant_subblock_duration=0
+[/SUBPIECE]
+[/PIECE]
+[PIECE]
+name=output_mix_config
+nb_subblocks=0
+type=0
+parameter_id=100
+parameter_rate=48000
+duration=0
+constant_subblock_duration=0
+[/PIECE]
+[PIECE]
+sound_system=stereo
+integrated_loudness=-5393/256
+digital_peak=-5394/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[/SUBCOMPONENT]
+[/COMPONENT]
+[STREAM]
+index=0
+id=0x0
+DISPOSITION:default=1
+DISPOSITION:dub=0
+DISPOSITION:original=0
+DISPOSITION:comment=0
+DISPOSITION:lyrics=0
+DISPOSITION:karaoke=0
+DISPOSITION:forced=0
+DISPOSITION:hearing_impaired=0
+DISPOSITION:visual_impaired=0
+DISPOSITION:clean_effects=0
+DISPOSITION:attached_pic=0
+DISPOSITION:timed_thumbnails=0
+DISPOSITION:non_diegetic=0
+DISPOSITION:captions=0
+DISPOSITION:descriptions=0
+DISPOSITION:metadata=0
+DISPOSITION:dependent=0
+DISPOSITION:still_image=0
+DISPOSITION:multilayer=0
+[/STREAM]
+[/STREAM_GROUP]