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UrloMythus
2026-01-11 14:29:22 +01:00
parent b8a40b5afc
commit 7785e8c604
45 changed files with 5463 additions and 832 deletions
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52
mediaflow_proxy/mpd_processor.py
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@@ -192,30 +192,34 @@ def build_hls_playlist(mpd_dict: dict, profiles: list[dict], request: Request) -
logger.warning(f"No segments found for profile {profile['id']}")
continue
if mpd_dict["isLive"]:
depth = max(settings.mpd_live_playlist_depth, 1)
trimmed_segments = segments[-depth:]
else:
trimmed_segments = segments
# Add headers for only the first profile
if index == 0:
first_segment = segments[0]
extinf_values = [f["extinf"] for f in segments if "extinf" in f]
first_segment = trimmed_segments[0]
extinf_values = [f["extinf"] for f in trimmed_segments if "extinf" in f]
target_duration = math.ceil(max(extinf_values)) if extinf_values else 3
# Calculate media sequence using adaptive logic for different MPD types
# Align HLS media sequence with MPD-provided numbering when available
mpd_start_number = profile.get("segment_template_start_number")
if mpd_start_number and mpd_start_number >= 1000:
# Amazon-style: Use absolute segment numbering
sequence = first_segment.get("number", mpd_start_number)
else:
# Sky-style: Use time-based calculation if available
time_val = first_segment.get("time")
duration_val = first_segment.get("duration_mpd_timescale")
if time_val is not None and duration_val and duration_val > 0:
calculated_sequence = math.floor(time_val / duration_val)
# For live streams with very large sequence numbers, use modulo to keep reasonable range
if mpd_dict.get("isLive", False) and calculated_sequence > 100000:
sequence = calculated_sequence % 100000
else:
sequence = calculated_sequence
sequence = first_segment.get("number")
if sequence is None:
# Fallback to MPD template start number
if mpd_start_number is not None:
sequence = mpd_start_number
else:
sequence = first_segment.get("number", 1)
# As a last resort, derive from timeline information
time_val = first_segment.get("time")
duration_val = first_segment.get("duration_mpd_timescale")
if time_val is not None and duration_val and duration_val > 0:
sequence = math.floor(time_val / duration_val)
else:
sequence = 1
hls.extend(
[
@@ -235,10 +239,18 @@ def build_hls_playlist(mpd_dict: dict, profiles: list[dict], request: Request) -
query_params.pop("d", None)
has_encrypted = query_params.pop("has_encrypted", False)
for segment in segments:
for segment in trimmed_segments:
program_date_time = segment.get("program_date_time")
if program_date_time:
hls.append(f"#EXT-X-PROGRAM-DATE-TIME:{program_date_time}")
hls.append(f'#EXTINF:{segment["extinf"]:.3f},')
query_params.update(
{"init_url": init_url, "segment_url": segment["media"], "mime_type": profile["mimeType"]}
{
"init_url": init_url,
"segment_url": segment["media"],
"mime_type": profile["mimeType"],
"is_live": "true" if mpd_dict.get("isLive") else "false",
}
)
hls.append(
encode_mediaflow_proxy_url(