fftools/ffprobe: export IAMF Stream Group parameters

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

fftools/ffprobe: export IAMF Stream Group parameters
Signed-off-by: James Almer <jamrial@gmail.com>
394abd84 · James Almer · 5cd8db30 · 394abd84 · 394abd84 · 394abd84
Commit 394abd84 authored Mar 06, 2024 by James Almer
12 changed files
--- a/doc/ffprobe.xsd
+++ b/doc/ffprobe.xsd
@@ -366,10 +366,49 @@

  <xsd:complexType name="streamGroupSubComponentType">
    <xsd:sequence>
+      <xsd:element name="pieces" type="ffprobe:streamGroupPieceList" minOccurs="0" maxOccurs="1"/>
      <xsd:element name="subcomponent_entry" type="ffprobe:streamGroupEntryType" minOccurs="0" maxOccurs="unbounded"/>
    </xsd:sequence>
  </xsd:complexType>

+  <xsd:complexType name="streamGroupPieceList">
+    <xsd:sequence>
+      <xsd:element name="piece" type="ffprobe:streamGroupPieceType" minOccurs="0" maxOccurs="unbounded"/>
+    </xsd:sequence>
+  </xsd:complexType>
+
+  <xsd:complexType name="streamGroupPieceType">
+    <xsd:sequence>
+      <xsd:element name="subpieces" type="ffprobe:streamGroupSubPieceList" minOccurs="0" maxOccurs="1"/>
+      <xsd:element name="piece_entry" type="ffprobe:streamGroupEntryType" minOccurs="0" maxOccurs="unbounded"/>
+    </xsd:sequence>
+  </xsd:complexType>
+
+  <xsd:complexType name="streamGroupSubPieceList">
+    <xsd:sequence>
+      <xsd:element name="subpiece" type="ffprobe:streamGroupSubPieceType" minOccurs="0" maxOccurs="unbounded"/>
+    </xsd:sequence>
+  </xsd:complexType>
+
+  <xsd:complexType name="streamGroupSubPieceType">
+    <xsd:sequence>
+      <xsd:element name="blocks" type="ffprobe:streamGroupBlockList" minOccurs="0" maxOccurs="1"/>
+      <xsd:element name="subpiece_entry" type="ffprobe:streamGroupEntryType" minOccurs="0" maxOccurs="unbounded"/>
+    </xsd:sequence>
+  </xsd:complexType>
+
+  <xsd:complexType name="streamGroupBlockList">
+    <xsd:sequence>
+      <xsd:element name="block" type="ffprobe:streamGroupBlockType" minOccurs="0" maxOccurs="unbounded"/>
+    </xsd:sequence>
+  </xsd:complexType>
+
+  <xsd:complexType name="streamGroupBlockType">
+    <xsd:sequence>
+      <xsd:element name="block_entry" type="ffprobe:streamGroupEntryType" minOccurs="0" maxOccurs="unbounded"/>
+    </xsd:sequence>
+  </xsd:complexType>
+
  <xsd:complexType name="streamGroupEntryType">
    <xsd:attribute name="key"   type="xsd:string"/>
    <xsd:attribute name="value" type="xsd:string"/>

--- a/fftools/ffprobe.c
+++ b/fftools/ffprobe.c
--- a/tests/fate/iamf.mak
+++ b/tests/fate/iamf.mak
@@ -4,7 +4,8 @@ fate-iamf-stereo: SRC = $(TARGET_PATH)/tests/data/asynth-44100-2.wav
 fate-iamf-stereo: CMD = transcode wav $(SRC) iamf " \
  -/stream_group $(TARGET_PATH)/tests/data/streamgroups/audio_element-stereo \
  -/stream_group $(TARGET_PATH)/tests/data/streamgroups/mix_presentation-stereo \
-  -streamid 0:0 -c:a flac -t 1" "-c:a copy -map 0" "-show_entries stream_group=index,id,nb_streams,type:stream_group_stream=index,id:stream_group_stream_disposition"
+  -streamid 0:0 -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 += fate-iamf-5_1_4
 fate-iamf-5_1_4: tests/data/asynth-44100-10.wav tests/data/filtergraphs/iamf_5_1_4 tests/data/streamgroups/audio_element-5_1_4 tests/data/streamgroups/mix_presentation-5_1_4
@@ -13,7 +14,8 @@ fate-iamf-5_1_4: CMD = transcode wav $(SRC) iamf "-auto_conversion_filters \
  -/filter_complex $(TARGET_PATH)/tests/data/filtergraphs/iamf_5_1_4 \
  -/stream_group $(TARGET_PATH)/tests/data/streamgroups/audio_element-5_1_4 \
  -/stream_group $(TARGET_PATH)/tests/data/streamgroups/mix_presentation-5_1_4 \
-  -streamid 0:0 -streamid 1:1 -streamid 2:2 -streamid 3:3 -streamid 4:4 -streamid 5:5 -map [FRONT] -map [BACK] -map [CENTER] -map [LFE] -map [TOP_FRONT] -map [TOP_BACK] -c:a flac -t 1" "-c:a copy -map 0" "-show_entries stream_group=index,id,nb_streams,type:stream_group_stream=index,id:stream_group_stream_disposition"
+  -streamid 0:0 -streamid 1:1 -streamid 2:2 -streamid 3:3 -streamid 4:4 -streamid 5:5 -map [FRONT] -map [BACK] -map [CENTER] -map [LFE] -map [TOP_FRONT] -map [TOP_BACK] -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 += fate-iamf-7_1_4
 fate-iamf-7_1_4: tests/data/asynth-44100-12.wav tests/data/filtergraphs/iamf_7_1_4 tests/data/streamgroups/audio_element-7_1_4 tests/data/streamgroups/mix_presentation-7_1_4
@@ -22,7 +24,8 @@ fate-iamf-7_1_4: CMD = transcode wav $(SRC) iamf "-auto_conversion_filters \
  -/filter_complex $(TARGET_PATH)/tests/data/filtergraphs/iamf_7_1_4 \
  -/stream_group $(TARGET_PATH)/tests/data/streamgroups/audio_element-7_1_4 \
  -/stream_group $(TARGET_PATH)/tests/data/streamgroups/mix_presentation-7_1_4 \
-  -streamid 0:0 -streamid 1:1 -streamid 2:2 -streamid 3:3 -streamid 4:4 -streamid 5:5 -streamid 6:6 -map [FRONT] -map [BACK] -map [CENTER] -map [LFE] -map [SIDE] -map [TOP_FRONT] -map [TOP_BACK] -c:a flac -t 1" "-c:a copy -map 0" "-show_entries stream_group=index,id,nb_streams,type:stream_group_stream=index,id:stream_group_stream_disposition"
+  -streamid 0:0 -streamid 1:1 -streamid 2:2 -streamid 3:3 -streamid 4:4 -streamid 5:5 -streamid 6:6 -map [FRONT] -map [BACK] -map [CENTER] -map [LFE] -map [SIDE] -map [TOP_FRONT] -map [TOP_BACK] -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 += fate-iamf-ambisonic_1
 fate-iamf-ambisonic_1: tests/data/asynth-44100-4.wav tests/data/filtergraphs/iamf_ambisonic_1 tests/data/streamgroups/audio_element-ambisonic_1 tests/data/streamgroups/mix_presentation-ambisonic_1
@@ -31,7 +34,8 @@ fate-iamf-ambisonic_1: CMD = transcode wav $(SRC) iamf "-auto_conversion_filters
  -/filter_complex $(TARGET_PATH)/tests/data/filtergraphs/iamf_ambisonic_1 \
  -/stream_group $(TARGET_PATH)/tests/data/streamgroups/audio_element-ambisonic_1 \
  -/stream_group $(TARGET_PATH)/tests/data/streamgroups/mix_presentation-ambisonic_1 \
-  -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_stream=index,id:stream_group_stream_disposition"
+  -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-$(call TRANSCODE, FLAC, IAMF, WAV_DEMUXER PCM_S16LE_DECODER) += $(FATE_IAMF)


--- a/tests/fate/mov.mak
+++ b/tests/fate/mov.mak
@@ -223,7 +223,7 @@ fate-mov-mp4-iamf-stereo: CMD = transcode wav $(SRC) mp4 " \
  -/stream_group $(TARGET_PATH)/tests/data/streamgroups/audio_element-stereo \
  -/stream_group $(TARGET_PATH)/tests/data/streamgroups/mix_presentation-stereo \
  -streamid 0:0 -c:a flac -t 1" "-c:a copy -map 0" \
-  "-show_entries stream_group=index,id,nb_streams,type:stream_group_disposition:stream_group_tags:stream_group_stream=index,id:stream_group_stream_disposition"
+  "-show_entries stream_group=index,id,nb_streams,type:stream_group_components:stream_group_disposition:stream_group_tags:stream_group_stream=index,id:stream_group_stream_disposition"

 FATE_MOV_FFMPEG_FFPROBE-$(call TRANSCODE, FLAC, MOV, WAV_DEMUXER PCM_S16LE_DECODER) += fate-mov-mp4-iamf-5_1_4
 fate-mov-mp4-iamf-5_1_4: tests/data/asynth-44100-10.wav tests/data/filtergraphs/iamf_5_1_4 tests/data/streamgroups/audio_element-5_1_4 tests/data/streamgroups/mix_presentation-5_1_4
@@ -233,7 +233,7 @@ fate-mov-mp4-iamf-5_1_4: CMD = transcode wav $(SRC) mp4 "-auto_conversion_filter
  -/stream_group $(TARGET_PATH)/tests/data/streamgroups/audio_element-5_1_4 \
  -/stream_group $(TARGET_PATH)/tests/data/streamgroups/mix_presentation-5_1_4 \
  -streamid 0:0 -streamid 1:1 -streamid 2:2 -streamid 3:3 -streamid 4:4 -streamid 5:5 -map [FRONT] -map [BACK] -map [CENTER] -map [LFE] -map [TOP_FRONT] -map [TOP_BACK] -c:a flac -t 1" "-c:a copy -map 0" \
-  "-show_entries stream_group=index,id,nb_streams,type:stream_group_disposition:stream_group_tags:stream_group_stream=index,id:stream_group_stream_disposition"
+  "-show_entries stream_group=index,id,nb_streams,type:stream_group_components:stream_group_disposition:stream_group_tags:stream_group_stream=index,id:stream_group_stream_disposition"

 FATE_MOV_FFMPEG_FFPROBE-$(call TRANSCODE, FLAC, MOV, WAV_DEMUXER PCM_S16LE_DECODER) += fate-mov-mp4-iamf-7_1_4
 fate-mov-mp4-iamf-7_1_4: tests/data/asynth-44100-12.wav tests/data/filtergraphs/iamf_7_1_4 tests/data/streamgroups/audio_element-7_1_4 tests/data/streamgroups/mix_presentation-7_1_4
@@ -243,7 +243,7 @@ fate-mov-mp4-iamf-7_1_4: CMD = transcode wav $(SRC) mp4 "-auto_conversion_filter
  -/stream_group $(TARGET_PATH)/tests/data/streamgroups/audio_element-7_1_4 \
  -/stream_group $(TARGET_PATH)/tests/data/streamgroups/mix_presentation-7_1_4 \
  -streamid 0:0 -streamid 1:1 -streamid 2:2 -streamid 3:3 -streamid 4:4 -streamid 5:5 -streamid 6:6 -map [FRONT] -map [BACK] -map [CENTER] -map [LFE] -map [SIDE] -map [TOP_FRONT] -map [TOP_BACK] -c:a flac -t 1" "-c:a copy -map 0" \
-  "-show_entries stream_group=index,id,nb_streams,type:stream_group_disposition:stream_group_tags:stream_group_stream=index,id:stream_group_stream_disposition"
+  "-show_entries stream_group=index,id,nb_streams,type:stream_group_components:stream_group_disposition:stream_group_tags:stream_group_stream=index,id:stream_group_stream_disposition"

 FATE_MOV_FFMPEG_FFPROBE-$(call TRANSCODE, FLAC, MOV, WAV_DEMUXER PCM_S16LE_DECODER) += fate-mov-mp4-iamf-ambisonic_1
 fate-mov-mp4-iamf-ambisonic_1: tests/data/asynth-44100-4.wav tests/data/filtergraphs/iamf_ambisonic_1 tests/data/streamgroups/audio_element-ambisonic_1 tests/data/streamgroups/mix_presentation-ambisonic_1
@@ -253,7 +253,7 @@ fate-mov-mp4-iamf-ambisonic_1: CMD = transcode wav $(SRC) mp4 "-auto_conversion_
  -/stream_group $(TARGET_PATH)/tests/data/streamgroups/audio_element-ambisonic_1 \
  -/stream_group $(TARGET_PATH)/tests/data/streamgroups/mix_presentation-ambisonic_1 \
  -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_disposition:stream_group_tags:stream_group_stream=index,id:stream_group_stream_disposition"
+  "-show_entries stream_group=index,id,nb_streams,type:stream_group_components:stream_group_disposition:stream_group_tags:stream_group_stream=index,id:stream_group_stream_disposition"

 FATE_FFMPEG += $(FATE_MOV_FFMPEG-yes)
 FATE_FFMPEG_FFPROBE += $(FATE_MOV_FFMPEG_FFPROBE-yes)

--- 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

--- 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

--- 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

--- 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

--- 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

--- 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

--- 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

--- 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