Commit ff2059afd9 for ffmpeg

commit ff2059afd90c46d7e1b0f92542b204accb408ffb
Author: Kacper Michajłow <kasper93@gmail.com>
Date:   Tue Sep 29 23:00:58 2026 +0200

    tests/fate/dashenc: add a test for a large init segment

    The MPD points the DASH demuxer at an fMP4 init segment of about 50 KB
    with 100 audio tracks, which the HLS muxer writes.

    Signed-off-by: Kacper Michajłow <kasper93@gmail.com>

diff --git a/tests/fate/dashenc.mak b/tests/fate/dashenc.mak
index df9571f0b4..a1c00e7402 100644
--- a/tests/fate/dashenc.mak
+++ b/tests/fate/dashenc.mak
@@ -24,5 +24,24 @@ fate-dash-mpd-timing: tests/data/dash_mpd_timing.mpd
 fate-dash-mpd-timing: CMD = sed -n -e /suggestedPresentationDelay=/p -e /availabilityStartTime=/p $(TARGET_PATH)/tests/data/dash_mpd_timing.mpd
 fate-dash-mpd-timing: CMP = diff

+tests/data/dash_big_init.mpd: ffmpeg$(PROGSSUF)$(EXESUF) | tests/data
+	$(M)$(TARGET_EXEC) $(TARGET_PATH)/$< -nostdin \
+	-filter_complex "aevalsrc=cos(2*PI*t)*sin(2*PI*(440+4*t)*t):d=2:s=16000,asplit=100" \
+	-codec:a mp2fixed -b:a 8k -bitexact -f hls -hls_time 1 -hls_list_size 0 \
+	-hls_segment_type fmp4 -hls_fmp4_init_filename dash_big_init.mp4 \
+	-hls_segment_filename $(TARGET_PATH)/tests/data/dash_big_init_%d.m4s \
+	$(TARGET_PATH)/tests/data/dash_big_init.m3u8 2>/dev/null
+	$(Q)printf '%s\n' \
+	'<MPD xmlns="urn:mpeg:dash:schema:mpd:2011" profiles="urn:mpeg:dash:profile:full:2011" type="static" mediaPresentationDuration="PT2S" minBufferTime="PT1S">' \
+	'<Period><AdaptationSet mimeType="audio/mp4"><Representation id="0" bandwidth="1000000">' \
+	'<SegmentList timescale="16000" duration="16128"><Initialization sourceURL="dash_big_init.mp4"/>' \
+	'<SegmentURL media="dash_big_init_0.m4s"/><SegmentURL media="dash_big_init_1.m4s"/>' \
+	'</SegmentList></Representation></AdaptationSet></Period></MPD>' > $@
+
+FATE_DASHENC_LAVFI-$(call ALLYES, AEVALSRC_FILTER ASPLIT_FILTER ARESAMPLE_FILTER MP2FIXED_ENCODER HLS_MUXER MP4_MUXER DASH_DEMUXER MOV_DEMUXER MP3_DECODER FILE_PROTOCOL FRAMECRC_MUXER PIPE_PROTOCOL) += fate-dash-big-init
+fate-dash-big-init: tests/data/dash_big_init.mpd
+fate-dash-big-init: CLEANFILES = tests/data/dash_big_init.mpd tests/data/dash_big_init.m3u8 tests/data/dash_big_init.mp4 tests/data/dash_big_init_*.m4s
+fate-dash-big-init: CMD = framecrc -i $(TARGET_PATH)/tests/data/dash_big_init.mpd -map 0:a:99 -c copy
+
 FATE_FFMPEG += $(FATE_DASHENC_LAVFI-yes)
 fate-dashenc: $(FATE_DASHENC_LAVFI-yes)
diff --git a/tests/ref/fate/dash-big-init b/tests/ref/fate/dash-big-init
new file mode 100644
index 0000000000..07a81414c6
--- /dev/null
+++ b/tests/ref/fate/dash-big-init
@@ -0,0 +1,33 @@
+#tb 0: 1/16000
+#media_type 0: audio
+#codec_id 0: mp3
+#sample_rate 0: 16000
+#channel_layout_name 0: mono
+0,          0,          0,     1152,       72, 0x40951fab
+0,       1152,       1152,     1152,       72, 0xea491bfe
+0,       2304,       2304,     1152,       72, 0xdfe01d11
+0,       3456,       3456,     1152,       72, 0xd1e91c49
+0,       4608,       4608,     1152,       72, 0xd55e1db0
+0,       5760,       5760,     1152,       72, 0x21901f6a
+0,       6912,       6912,     1152,       72, 0xd6491d39
+0,       8064,       8064,     1152,       72, 0xaf081c07
+0,       9216,       9216,     1152,       72, 0x7aa61ab3
+0,      10368,      10368,     1152,       72, 0xc5ad1c08
+0,      11520,      11520,     1152,       72, 0x643f2013
+0,      12672,      12672,     1152,       72, 0xb12a1bd3
+0,      13824,      13824,     1152,       72, 0xa7de1caa
+0,      14976,      14976,     1152,       72, 0x00111dcc
+0,      16128,      16128,     1152,       72, 0xf7941ca0
+0,      17280,      17280,     1152,       72, 0xe8391df8
+0,      18432,      18432,     1152,       72, 0x541c191d
+0,      19584,      19584,     1152,       72, 0xeba51d36
+0,      20736,      20736,     1152,       72, 0x02cb1bc1
+0,      21888,      21888,     1152,       72, 0xa6fb1b52
+0,      23040,      23040,     1152,       72, 0xaae718e1
+0,      24192,      24192,     1152,       72, 0x09c11c28
+0,      25344,      25344,     1152,       72, 0xdbea1ae2
+0,      26496,      26496,     1152,       72, 0xbd111bb2
+0,      27648,      27648,     1152,       72, 0x9f301d31
+0,      28800,      28800,     1152,       72, 0xbe3c1ac6
+0,      29952,      29952,     1152,       72, 0x3cdd1fb6
+0,      31104,      31104,     1152,       72, 0x278e1725