91 lines
6.2 KiB
Plaintext
91 lines
6.2 KiB
Plaintext
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#!/bin/bash
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set -euo pipefail
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# Change directory to the root of the project
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cd "$(dirname "$0")/.."
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# Default to a source video
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INPUT="${INPUT:-dev/source.mp4}"
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# Output the fragmented MP4 to disk for testing.
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OUTPUT="${OUTPUT:-dev/output.mp4}"
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# Run ffmpeg the same as dev/pub, but:
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# - print any errors/warnings
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# - only loop twice
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#
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# Note this is artificially slowed down to real-time using the -re flag; you can remove it.
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ffmpeg \
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-re \
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-y \
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-i "$INPUT" \
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-c copy \
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-fps_mode passthrough \
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-f mp4 -movflags cmaf+separate_moof+delay_moov+skip_trailer \
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-frag_duration 1 \
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"${OUTPUT}"
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# % ffmpeg -f mp4 --ffmpeg -h muxer=mov
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#
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# ffmpeg version 6.0 Copyright (c) 2000-2023 the FFmpeg developers
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# Muxer mov [QuickTime / MOV]:
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# Common extensions: mov.
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# Default video codec: h264.
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# Default audio codec: aac.
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# mov/mp4/tgp/psp/tg2/ipod/ismv/f4v muxer AVOptions:
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# -movflags <flags> E.......... MOV muxer flags (default 0)
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# rtphint E.......... Add RTP hint tracks
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# empty_moov E.......... Make the initial moov atom empty
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# frag_keyframe E.......... Fragment at video keyframes
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# frag_every_frame E.......... Fragment at every frame
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# separate_moof E.......... Write separate moof/mdat atoms for each track
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# frag_custom E.......... Flush fragments on caller requests
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# isml E.......... Create a live smooth streaming feed (for pushing to a publishing point)
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# faststart E.......... Run a second pass to put the index (moov atom) at the beginning of the file
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# omit_tfhd_offset E.......... Omit the base data offset in tfhd atoms
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# disable_chpl E.......... Disable Nero chapter atom
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# default_base_moof E.......... Set the default-base-is-moof flag in tfhd atoms
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# dash E.......... Write DASH compatible fragmented MP4
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# cmaf E.......... Write CMAF compatible fragmented MP4
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# frag_discont E.......... Signal that the next fragment is discontinuous from earlier ones
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# delay_moov E.......... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
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# global_sidx E.......... Write a global sidx index at the start of the file
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# skip_sidx E.......... Skip writing of sidx atom
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# write_colr E.......... Write colr atom even if the color info is unspecified (Experimental, may be renamed or changed, do not use from scripts)
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# prefer_icc E.......... If writing colr atom prioritise usage of ICC profile if it exists in stream packet side data
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# write_gama E.......... Write deprecated gama atom
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# use_metadata_tags E.......... Use mdta atom for metadata.
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# skip_trailer E.......... Skip writing the mfra/tfra/mfro trailer for fragmented files
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# negative_cts_offsets E.......... Use negative CTS offsets (reducing the need for edit lists)
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# -moov_size <int> E.......... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
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# -rtpflags <flags> E.......... RTP muxer flags (default 0)
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# latm E.......... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
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# rfc2190 E.......... Use RFC 2190 packetization instead of RFC 4629 for H.263
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# skip_rtcp E.......... Don't send RTCP sender reports
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# h264_mode0 E.......... Use mode 0 for H.264 in RTP
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# send_bye E.......... Send RTCP BYE packets when finishing
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# -skip_iods <boolean> E.......... Skip writing iods atom. (default true)
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# -iods_audio_profile <int> E.......... iods audio profile atom. (from -1 to 255) (default -1)
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# -iods_video_profile <int> E.......... iods video profile atom. (from -1 to 255) (default -1)
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# -frag_duration <int> E.......... Maximum fragment duration (from 0 to INT_MAX) (default 0)
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# -min_frag_duration <int> E.......... Minimum fragment duration (from 0 to INT_MAX) (default 0)
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# -frag_size <int> E.......... Maximum fragment size (from 0 to INT_MAX) (default 0)
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# -ism_lookahead <int> E.......... Number of lookahead entries for ISM files (from 0 to 255) (default 0)
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# -video_track_timescale <int> E.......... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
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# -brand <string> E.......... Override major brand
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# -use_editlist <boolean> E.......... use edit list (default auto)
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# -fragment_index <int> E.......... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
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# -mov_gamma <float> E.......... gamma value for gama atom (from 0 to 10) (default 0)
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# -frag_interleave <int> E.......... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
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# -encryption_scheme <string> E.......... Configures the encryption scheme, allowed values are none, cenc-aes-ctr
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# -encryption_key <binary> E.......... The media encryption key (hex)
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# -encryption_kid <binary> E.......... The media encryption key identifier (hex)
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# -use_stream_ids_as_track_ids <boolean> E.......... use stream ids as track ids (default false)
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# -write_btrt <boolean> E.......... force or disable writing btrt (default auto)
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# -write_tmcd <boolean> E.......... force or disable writing tmcd (default auto)
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# -write_prft <int> E.......... Write producer reference time box with specified time source (from 0 to 2) (default 0)
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# wallclock 1 E..........
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# pts 2 E..........
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# -empty_hdlr_name <boolean> E.......... write zero-length name string in hdlr atoms within mdia and minf atoms (default false)
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# -movie_timescale <int> E.......... set movie timescale (from 1 to INT_MAX) (default 1000)
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