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next change in audio processing

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pat-e
2025-07-17 08:54:13 +02:00
parent 17bb9d7d0a
commit 79dd5316fc
1 changed files with 12 additions and 0 deletions
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12
tv_audio_encoder.py
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@@ -201,7 +201,16 @@ def main(no_downmix=False):
audio_tracks_to_remux = [] audio_tracks_to_remux = []
audio_streams = [s for s in ffprobe_info.get("streams", []) if s.get("codec_type") == "audio"] audio_streams = [s for s in ffprobe_info.get("streams", []) if s.get("codec_type") == "audio"]
# Build mkvmerge track mapping by track ID
mkv_audio_tracks = {t["id"]: t for t in mkv_info.get("tracks", []) if t.get("type") == "audio"}
# Build mediainfo track mapping by StreamOrder
media_tracks_data = media_info.get("media", {}).get("track", [])
mediainfo_audio_tracks = {int(t.get("StreamOrder", -1)): t for t in media_tracks_data if t.get("@type") == "Audio"}
for stream in audio_streams: for stream in audio_streams:
# Extract these values once per stream for clarity
stream_index = stream["index"]
stream_index = stream["index"] stream_index = stream["index"]
codec = stream.get("codec_name") codec = stream.get("codec_name")
channels = stream.get("channels", 2) channels = stream.get("channels", 2)
@@ -226,6 +235,7 @@ def main(no_downmix=False):
# Convert any codec that is not in REMUX_CODECS # Convert any codec that is not in REMUX_CODECS
opus_file = convert_audio_track( opus_file = convert_audio_track(
stream_index, channels, language, audio_temp_dir, str(input_file_abs), not no_downmix stream_index, channels, language, audio_temp_dir, str(input_file_abs), not no_downmix
stream_index, channels, language, audio_temp_dir, str(input_file_abs), not no_downmix
) )
processed_audio_files.append({ processed_audio_files.append({
"Path": opus_file, "Path": opus_file,
@@ -239,6 +249,7 @@ def main(no_downmix=False):
# Final mux # Final mux
print("Assembling final file with mkvmerge...") print("Assembling final file with mkvmerge...")
mkvmerge_args = ["mkvmerge", "-o", str(intermediate_output_file), str(created_encoded_video_path)] mkvmerge_args = ["mkvmerge", "-o", str(intermediate_output_file), str(created_encoded_video_path)]
for file_info in processed_audio_files: for file_info in processed_audio_files:
sync_switch = ["--sync", f"0:{file_info['Delay']}"] if file_info["Delay"] else [] sync_switch = ["--sync", f"0:{file_info['Delay']}"] if file_info["Delay"] else []
mkvmerge_args += [ mkvmerge_args += [
@@ -247,6 +258,7 @@ def main(no_downmix=False):
] + sync_switch + [str(file_info["Path"])] ] + sync_switch + [str(file_info["Path"])]
source_copy_args = ["--no-video"] source_copy_args = ["--no-video"]
if audio_tracks_to_remux: if audio_tracks_to_remux:
source_copy_args += ["--audio-tracks", ",".join(audio_tracks_to_remux)] source_copy_args += ["--audio-tracks", ",".join(audio_tracks_to_remux)]
else: else: