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feat(manifests): add dts-hd, mpeg-h and lcevc codecs and a manifest corpus

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Fix DASH SegmentTimeline negative @r and Pattern, TTML sidecar sets with no contentType, HLS CHANNELS identifiers and Dolby channel masks; test against 408 public DASH/HLS/ISM manifests.
This commit is contained in:
imSp4rky
2026-10-26 10:30:43 -06:00
parent a7f77dea42
commit ffeb58f808
431 changed files with 44396 additions and 41 deletions
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tests/core/test_mp4_container_routing.py
+6 -6
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@@ -19,7 +19,7 @@ import pytest
from unshackle.core import binaries
from unshackle.core.tracks import Audio, Subtitle, Tracks, Video
from unshackle.core.tracks.track import (
has_dts_uhd_sample_entry,
has_mp4_only_audio_entry,
iter_top_level_boxes,
strip_duplicate_init_boxes,
)
@@ -36,9 +36,9 @@ def write_mp4(path: Path, sample_entry: bytes) -> Path:
return path
@pytest.mark.parametrize("fourcc", [b"dtsx", b"dtsy"])
def test_dts_uhd_sample_entries_are_detected(tmp_path: Path, fourcc: bytes) -> None:
assert has_dts_uhd_sample_entry(write_mp4(tmp_path / "a.mp4", fourcc)) is True
@pytest.mark.parametrize("fourcc", [b"dtsx", b"dtsy", b"mha1", b"mha2", b"mhm1", b"mhm2"])
def test_dts_uhd_and_mpeg_h_sample_entries_are_detected(tmp_path: Path, fourcc: bytes) -> None:
assert has_mp4_only_audio_entry(write_mp4(tmp_path / "a.mp4", fourcc)) is True
@pytest.mark.parametrize("fourcc", [b"dtsc", b"dtse", b"dtsh", b"dtsl", b"ec-3", b"mp4a"])
@@ -47,13 +47,13 @@ def test_other_dts_profiles_stay_in_matroska(tmp_path: Path, fourcc: bytes) -> N
DTS:X Profile 1 is DTS-HD Master Audio underneath and Matroska stores it as
A_DTS, so it must not be pulled out of Matroska by the DTS:X container rule.
"""
assert has_dts_uhd_sample_entry(write_mp4(tmp_path / "a.mp4", fourcc)) is False
assert has_mp4_only_audio_entry(write_mp4(tmp_path / "a.mp4", fourcc)) is False
def test_a_file_with_no_moov_is_not_detected(tmp_path: Path) -> None:
path = tmp_path / "a.mp4"
path.write_bytes(box(b"ftyp", b"isom") + box(b"mdat", b"dtsx" * 8))
assert has_dts_uhd_sample_entry(path) is False, "a 4CC in mdat is not a sample entry"
assert has_mp4_only_audio_entry(path) is False, "a 4CC in mdat is not a sample entry"
def build_tracks(tmp_path: Path, audio_entry: bytes) -> Tracks: