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tests/fate/mov: add a test for seeking into AAC with container priming

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Decode 0.15 s of the mono AAC-LC aac-2048-priming.mov starting at 2.3 s,
with the seek done on the input. The seek lands in the middle of a frame,
and the reference output starts at the requested time with the partial
frame. The decoder instead discards the first 1994 samples, as the
container's 2048 samples of priming are applied to the first frame
decoded after the seek, so the output starts late.

The reference records the current output.
This commit is contained in:
Romain Beauxis
2026-10-15 15:03:01 +02:00
committed by Romain Beauxis
parent 39d0384683
commit 5d21502ecf
2 changed files with 14 additions and 0 deletions
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4
tests/fate/mov.mak
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@@ -151,6 +151,10 @@ fate-mov-stream-shorter-than-movie: CMD = framemd5 -flags +bitexact -i $(TARGET_
fate-mov-aac-2048-priming: CMD = run ffprobe$(PROGSSUF)$(EXESUF) -show_packets -print_format compact $(TARGET_SAMPLES)/mov/aac-2048-priming.mov
# Seeking into the stream must not drop samples to the container's priming.
FATE_MOV-$(call FRAMECRC, MOV, AAC, PCM_S16LE_ENCODER ARESAMPLE_FILTER VOLUME_FILTER) += fate-mov-aac-2048-priming-seek
fate-mov-aac-2048-priming-seek: CMD = framecrc -ss 2.3 -t 0.15 -i $(TARGET_SAMPLES)/mov/aac-2048-priming.mov -af volume=0,aresample -c:a pcm_s16le
fate-mov-zombie: CMD = run ffprobe$(PROGSSUF)$(EXESUF) -show_streams -show_packets -show_frames -bitexact -print_format compact $(TARGET_SAMPLES)/mov/white_zombie_scrunch-part.mov
fate-mov-init-nonkeyframe: CMD = run ffprobe$(PROGSSUF)$(EXESUF) -show_packets -print_format compact -select_streams v $(TARGET_SAMPLES)/mov/mp4-init-nonkeyframe.mp4

10
tests/ref/fate/mov-aac-2048-priming-seek Normal file
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@@ -0,0 +1,10 @@
#tb 0: 1/44100
#media_type 0: audio
#codec_id 0: pcm_s16le
#sample_rate 0: 44100
#channel_layout_name 0: mono
0, 1994, 1994, 1024, 2048, 0x00000000
0, 3018, 3018, 1024, 2048, 0x00000000
0, 4042, 4042, 1024, 2048, 0x00000000
0, 5066, 5066, 1024, 2048, 0x00000000
0, 6090, 6090, 525, 1050, 0x00000000