fftools/ffprobe: export IAMF Stream Group parameters

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

8 files changed, 724 insertions, 0 deletions

diff --git a/tests/ref/fate/iamf-5_1_4 b/tests/ref/fate/iamf-5_1_4
index a19b49852d..d516429d5d 100644
--- a/tests/ref/fate/iamf-5_1_4
+++ b/tests/ref/fate/iamf-5_1_4
@@ -101,6 +101,44 @@ index=0
 id=0x1
 nb_streams=6
 type=IAMF Audio Element
+[COMPONENT]
+nb_layers=4
+audio_element_type=0
+default_w=10
+[SUBCOMPONENT]
+channel_layout=stereo
+output_gain_flags=0
+output_gain=0/1
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+channel_layout=5.1
+output_gain_flags=0
+output_gain=0/1
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+channel_layout=5.1.2
+output_gain_flags=0
+output_gain=0/1
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+channel_layout=5.1.4
+output_gain_flags=0
+output_gain=0/1
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+name=demixing_info
+nb_subblocks=1
+type=1
+parameter_id=998
+parameter_rate=44100
+duration=4608
+constant_subblock_duration=4608
+[PIECE]
+subblock_duration=4608
+dmixp_mode=1
+[/PIECE]
+[/SUBCOMPONENT]
+[/COMPONENT]
 [STREAM]
 index=0
 id=0x0
@@ -239,6 +277,75 @@ index=1
 id=0x2
 nb_streams=6
 type=IAMF Mix Presentation
+[COMPONENT]
+nb_submixes=1
+[SUBCOMPONENT]
+en-us=Mix_Presentation
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+nb_elements=1
+nb_layouts=4
+default_mix_gain=256/256
+[PIECE]
+stream_id=1
+default_mix_gain=0/256
+headphones_rendering_mode=0
+[SUBPIECE]
+en-us=Scalable_Submix
+[/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=256/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[PIECE]
+sound_system=5.1
+integrated_loudness=0/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[PIECE]
+sound_system=5.1.2
+integrated_loudness=0/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[PIECE]
+sound_system=5.1.4
+integrated_loudness=0/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[/SUBCOMPONENT]
+[/COMPONENT]
 [STREAM]
 index=0
 id=0x0
diff --git a/tests/ref/fate/iamf-7_1_4 b/tests/ref/fate/iamf-7_1_4
index 66e1dd8be4..4e6e62bbea 100644
--- a/tests/ref/fate/iamf-7_1_4
+++ b/tests/ref/fate/iamf-7_1_4
@@ -117,6 +117,44 @@ index=0
 id=0x1
 nb_streams=7
 type=IAMF Audio Element
+[COMPONENT]
+nb_layers=4
+audio_element_type=0
+default_w=10
+[SUBCOMPONENT]
+channel_layout=stereo
+output_gain_flags=0
+output_gain=0/1
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+channel_layout=3.1.2
+output_gain_flags=0
+output_gain=0/1
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+channel_layout=7.1.2
+output_gain_flags=0
+output_gain=0/1
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+channel_layout=7.1.4
+output_gain_flags=0
+output_gain=0/1
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+name=demixing_info
+nb_subblocks=1
+type=1
+parameter_id=998
+parameter_rate=44100
+duration=4608
+constant_subblock_duration=4608
+[PIECE]
+subblock_duration=4608
+dmixp_mode=1
+[/PIECE]
+[/SUBCOMPONENT]
+[/COMPONENT]
 [STREAM]
 index=0
 id=0x0
@@ -277,6 +315,75 @@ index=1
 id=0x2
 nb_streams=7
 type=IAMF Mix Presentation
+[COMPONENT]
+nb_submixes=1
+[SUBCOMPONENT]
+en-us=Mix_Presentation
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+nb_elements=1
+nb_layouts=4
+default_mix_gain=256/256
+[PIECE]
+stream_id=1
+default_mix_gain=0/256
+headphones_rendering_mode=0
+[SUBPIECE]
+en-us=Scalable_Submix
+[/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=256/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[PIECE]
+sound_system=3.1.2
+integrated_loudness=0/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[PIECE]
+sound_system=7.1.2
+integrated_loudness=0/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[PIECE]
+sound_system=7.1.4
+integrated_loudness=0/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[/SUBCOMPONENT]
+[/COMPONENT]
 [STREAM]
 index=0
 id=0x0
diff --git a/tests/ref/fate/iamf-ambisonic_1 b/tests/ref/fate/iamf-ambisonic_1
index b6cdb95d4d..84683b6ce5 100644
--- a/tests/ref/fate/iamf-ambisonic_1
+++ b/tests/ref/fate/iamf-ambisonic_1
@@ -69,6 +69,15 @@ index=0
 id=0x1
 nb_streams=4
 type=IAMF Audio Element
+[COMPONENT]
+nb_layers=1
+audio_element_type=1
+default_w=0
+[SUBCOMPONENT]
+channel_layout=ambisonic 1
+ambisonics_mode=0
+[/SUBCOMPONENT]
+[/COMPONENT]
 [STREAM]
 index=0
 id=0x0
@@ -163,6 +172,51 @@ index=1
 id=0x2
 nb_streams=4
 type=IAMF Mix Presentation
+[COMPONENT]
+nb_submixes=1
+[SUBCOMPONENT]
+en-us=Mix_Presentation
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+nb_elements=1
+nb_layouts=1
+default_mix_gain=0/256
+[PIECE]
+stream_id=1
+default_mix_gain=0/256
+headphones_rendering_mode=0
+[SUBPIECE]
+en-us=Stereo_Submix
+[/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=0/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[/SUBCOMPONENT]
+[/COMPONENT]
 [STREAM]
 index=0
 id=0x0
diff --git a/tests/ref/fate/iamf-stereo b/tests/ref/fate/iamf-stereo
index 7e3597fa32..32fe47bf98 100644
--- a/tests/ref/fate/iamf-stereo
+++ b/tests/ref/fate/iamf-stereo
@@ -21,6 +21,16 @@ index=0
 id=0x1
 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
@@ -49,6 +59,90 @@ index=1
 id=0x2
 nb_streams=1
 type=IAMF Mix Presentation
+[COMPONENT]
+nb_submixes=2
+[SUBCOMPONENT]
+en-us=Mix_Presentation
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+nb_elements=1
+nb_layouts=1
+default_mix_gain=256/256
+[PIECE]
+stream_id=1
+default_mix_gain=0/256
+headphones_rendering_mode=0
+[SUBPIECE]
+en-us=Scalable_Submix
+[/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=256/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+nb_elements=1
+nb_layouts=1
+default_mix_gain=0/256
+[PIECE]
+stream_id=1
+default_mix_gain=256/256
+headphones_rendering_mode=1
+[SUBPIECE]
+en-us=Binaural_submix
+[/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=0 channels
+integrated_loudness=0/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[/SUBCOMPONENT]
+[/COMPONENT]
 [STREAM]
 index=0
 id=0x0
diff --git a/tests/ref/fate/mov-mp4-iamf-5_1_4 b/tests/ref/fate/mov-mp4-iamf-5_1_4
index 750e642984..36a94143b5 100644
--- a/tests/ref/fate/mov-mp4-iamf-5_1_4
+++ b/tests/ref/fate/mov-mp4-iamf-5_1_4
@@ -101,6 +101,44 @@ index=0
 id=0x1
 nb_streams=6
 type=IAMF Audio Element
+[COMPONENT]
+nb_layers=4
+audio_element_type=0
+default_w=10
+[SUBCOMPONENT]
+channel_layout=stereo
+output_gain_flags=0
+output_gain=0/1
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+channel_layout=5.1
+output_gain_flags=0
+output_gain=0/1
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+channel_layout=5.1.2
+output_gain_flags=0
+output_gain=0/1
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+channel_layout=5.1.4
+output_gain_flags=0
+output_gain=0/1
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+name=demixing_info
+nb_subblocks=1
+type=1
+parameter_id=998
+parameter_rate=44100
+duration=4608
+constant_subblock_duration=4608
+[PIECE]
+subblock_duration=4608
+dmixp_mode=1
+[/PIECE]
+[/SUBCOMPONENT]
+[/COMPONENT]
 DISPOSITION:default=0
 DISPOSITION:dub=0
 DISPOSITION:original=0
@@ -260,6 +298,75 @@ index=1
 id=0x2
 nb_streams=6
 type=IAMF Mix Presentation
+[COMPONENT]
+nb_submixes=1
+[SUBCOMPONENT]
+en-us=Mix_Presentation
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+nb_elements=1
+nb_layouts=4
+default_mix_gain=256/256
+[PIECE]
+stream_id=1
+default_mix_gain=0/256
+headphones_rendering_mode=0
+[SUBPIECE]
+en-us=Scalable_Submix
+[/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=256/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[PIECE]
+sound_system=5.1
+integrated_loudness=0/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[PIECE]
+sound_system=5.1.2
+integrated_loudness=0/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[PIECE]
+sound_system=5.1.4
+integrated_loudness=0/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[/SUBCOMPONENT]
+[/COMPONENT]
 DISPOSITION:default=0
 DISPOSITION:dub=0
 DISPOSITION:original=0
diff --git a/tests/ref/fate/mov-mp4-iamf-7_1_4 b/tests/ref/fate/mov-mp4-iamf-7_1_4
index 518210eb8c..d5014387b6 100644
--- a/tests/ref/fate/mov-mp4-iamf-7_1_4
+++ b/tests/ref/fate/mov-mp4-iamf-7_1_4
@@ -117,6 +117,44 @@ index=0
 id=0x1
 nb_streams=7
 type=IAMF Audio Element
+[COMPONENT]
+nb_layers=4
+audio_element_type=0
+default_w=10
+[SUBCOMPONENT]
+channel_layout=stereo
+output_gain_flags=0
+output_gain=0/1
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+channel_layout=3.1.2
+output_gain_flags=0
+output_gain=0/1
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+channel_layout=7.1.2
+output_gain_flags=0
+output_gain=0/1
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+channel_layout=7.1.4
+output_gain_flags=0
+output_gain=0/1
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+name=demixing_info
+nb_subblocks=1
+type=1
+parameter_id=998
+parameter_rate=44100
+duration=4608
+constant_subblock_duration=4608
+[PIECE]
+subblock_duration=4608
+dmixp_mode=1
+[/PIECE]
+[/SUBCOMPONENT]
+[/COMPONENT]
 DISPOSITION:default=0
 DISPOSITION:dub=0
 DISPOSITION:original=0
@@ -298,6 +336,75 @@ index=1
 id=0x2
 nb_streams=7
 type=IAMF Mix Presentation
+[COMPONENT]
+nb_submixes=1
+[SUBCOMPONENT]
+en-us=Mix_Presentation
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+nb_elements=1
+nb_layouts=4
+default_mix_gain=256/256
+[PIECE]
+stream_id=1
+default_mix_gain=0/256
+headphones_rendering_mode=0
+[SUBPIECE]
+en-us=Scalable_Submix
+[/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=256/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[PIECE]
+sound_system=3.1.2
+integrated_loudness=0/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[PIECE]
+sound_system=7.1.2
+integrated_loudness=0/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[PIECE]
+sound_system=7.1.4
+integrated_loudness=0/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[/SUBCOMPONENT]
+[/COMPONENT]
 DISPOSITION:default=0
 DISPOSITION:dub=0
 DISPOSITION:original=0
diff --git a/tests/ref/fate/mov-mp4-iamf-ambisonic_1 b/tests/ref/fate/mov-mp4-iamf-ambisonic_1
index fd2cf82c4d..088fc9a028 100644
--- a/tests/ref/fate/mov-mp4-iamf-ambisonic_1
+++ b/tests/ref/fate/mov-mp4-iamf-ambisonic_1
@@ -69,6 +69,15 @@ index=0
 id=0x1
 nb_streams=4
 type=IAMF Audio Element
+[COMPONENT]
+nb_layers=1
+audio_element_type=1
+default_w=0
+[SUBCOMPONENT]
+channel_layout=ambisonic 1
+ambisonics_mode=0
+[/SUBCOMPONENT]
+[/COMPONENT]
 DISPOSITION:default=0
 DISPOSITION:dub=0
 DISPOSITION:original=0
@@ -184,6 +193,51 @@ index=1
 id=0x2
 nb_streams=4
 type=IAMF Mix Presentation
+[COMPONENT]
+nb_submixes=1
+[SUBCOMPONENT]
+en-us=Mix_Presentation
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+nb_elements=1
+nb_layouts=1
+default_mix_gain=0/256
+[PIECE]
+stream_id=1
+default_mix_gain=0/256
+headphones_rendering_mode=0
+[SUBPIECE]
+en-us=Stereo_Submix
+[/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=0/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[/SUBCOMPONENT]
+[/COMPONENT]
 DISPOSITION:default=0
 DISPOSITION:dub=0
 DISPOSITION:original=0
diff --git a/tests/ref/fate/mov-mp4-iamf-stereo b/tests/ref/fate/mov-mp4-iamf-stereo
index 79e7a20b71..bf141c6755 100644
--- a/tests/ref/fate/mov-mp4-iamf-stereo
+++ b/tests/ref/fate/mov-mp4-iamf-stereo
@@ -21,6 +21,16 @@ index=0
 id=0x1
 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]
 DISPOSITION:default=0
 DISPOSITION:dub=0
 DISPOSITION:original=0
@@ -70,6 +80,90 @@ index=1
 id=0x2
 nb_streams=1
 type=IAMF Mix Presentation
+[COMPONENT]
+nb_submixes=2
+[SUBCOMPONENT]
+en-us=Mix_Presentation
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+nb_elements=1
+nb_layouts=1
+default_mix_gain=256/256
+[PIECE]
+stream_id=1
+default_mix_gain=0/256
+headphones_rendering_mode=0
+[SUBPIECE]
+en-us=Scalable_Submix
+[/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=256/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[/SUBCOMPONENT]
+[SUBCOMPONENT]
+nb_elements=1
+nb_layouts=1
+default_mix_gain=0/256
+[PIECE]
+stream_id=1
+default_mix_gain=256/256
+headphones_rendering_mode=1
+[SUBPIECE]
+en-us=Binaural_submix
+[/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=0 channels
+integrated_loudness=0/256
+digital_peak=0/256
+true_peak=0/1
+dialogue_anchored_loudness=0/1
+album_anchored_loudness=0/1
+[/PIECE]
+[/SUBCOMPONENT]
+[/COMPONENT]
 DISPOSITION:default=0
 DISPOSITION:dub=0
 DISPOSITION:original=0