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feat: support ec3 and ac3 codec

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This commit is contained in:
WorldObservationLog
2024-05-04 22:54:21 +08:00
parent 90b271b348
commit da21d6fb1f
6 changed files with 19 additions and 10 deletions
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13
src/mp4.py
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@@ -21,8 +21,6 @@ async def extract_media(m3u8_url: str, codec: str) -> Tuple[str, list[str], str]
if not specifyPlaylist:
raise CodecNotFoundException
selected_codec = specifyPlaylist.media[0].group_id
if not specifyPlaylist:
raise
stream = m3u8.load(specifyPlaylist.absolute_uri)
skds = [key.uri for key in stream.keys if regex.match('(skd?://[^"]*)', key.uri)]
keys = [prefetchKey]
@@ -30,7 +28,7 @@ async def extract_media(m3u8_url: str, codec: str) -> Tuple[str, list[str], str]
match codec:
case Codec.ALAC:
key_suffix = CodecKeySuffix.KeySuffixAlac
case Codec.EC3:
case Codec.EC3 | Codec.AC3:
key_suffix = CodecKeySuffix.KeySuffixAtmos
case Codec.AAC:
key_suffix = CodecKeySuffix.KeySuffixAAC
@@ -103,6 +101,8 @@ def encapsulate(song_info: SongInfo, decrypted_media: bytes, atmos_convent: bool
f.write(decrypted_media)
if song_info.codec == Codec.EC3 and not atmos_convent:
song_name = Path(tmp_dir.name) / Path(name).with_suffix(".ec3")
elif song_info.codec == Codec.AC3 and not atmos_convent:
song_name = Path(tmp_dir.name) / Path(name).with_suffix(".ac3")
else:
song_name = Path(tmp_dir.name) / Path(name).with_suffix(".m4a")
match song_info.codec:
@@ -122,12 +122,13 @@ def encapsulate(song_info: SongInfo, decrypted_media: bytes, atmos_convent: bool
f"mp4edit --insert moov/trak/mdia/minf/stbl/stsd/alac:{alac_params_atom_name.absolute()} {song_name.absolute()} {final_m4a_name.absolute()}",
stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
song_name = final_m4a_name
case Codec.EC3:
case Codec.EC3 | Codec.AC3:
if not atmos_convent:
with open(song_name.absolute(), "wb") as f:
f.write(decrypted_media)
subprocess.run(f"gpac -i {media.absolute()} -o {song_name.absolute()}",
stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
else:
subprocess.run(f"gpac -i {media.absolute()} -o {song_name.absolute()}",
stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
case Codec.AAC_BINAURAL | Codec.AAC_DOWNMIX | Codec.AAC:
nhml_name = Path(tmp_dir.name) / Path(f"{name}.nhml")
with open(nhml_name.absolute(), "w", encoding="utf-8") as f: