ffmpeg_makeAudioSpliceFilter [1025056]

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JavaX fragment (include)

// ranges: ranges in seconds
sS ffmpeg_makeAudioSpliceFilter(L<DoubleRange> ranges) {
  new LS out;
  int i = 0;
  fOr (DoubleRange r : ranges) {
    int lbl = ++i;
    S start = ffmpeg_formatSeconds(r.start);
    S end = ffmpeg_formatSeconds(r.end);
    out.add("[0:a]atrim=start=" + start + ":end=" + end + ",asetpts=PTS-STARTPTS[a" + lbl + "]");
  }
  S concat = "concat=n=" + l(ranges);
  out.add(joinMap(iota(i), j -> "[a" + j + "]") + concat + ":v=0:a=1[outa]");
  ret joinWithSemicolon(out);
}

Author comment

Began life as a copy of #1024579

Travelled to 6 computer(s): bhatertpkbcr, mqqgnosmbjvj, pyentgdyhuwx, pzhvpgtvlbxg, tvejysmllsmz, vouqrxazstgt

Snippet ID:

#1025056

Snippet name:

ffmpeg_makeAudioSpliceFilter

Eternal ID of this version:

#1025056/1

Text MD5:

83c15761f4ccf089ac1f0618654a2dfe

Author:

stefan

Category:

javax

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2019-09-03 20:12:52

Source code size:

513 bytes / 14 lines

Pitched / IR pitched:

No / No

Views / Downloads:

165 / 203

Referenced in:

[show references]

1	// ranges: ranges in seconds
2	sS ffmpeg_makeAudioSpliceFilter(L<DoubleRange> ranges) {
3	new LS out;
4	int i = 0;
5	fOr (DoubleRange r : ranges) {
6	int lbl = ++i;
7	S start = ffmpeg_formatSeconds(r.start);
8	S end = ffmpeg_formatSeconds(r.end);
9	out.add("[0:a]atrim=start=" + start + ":end=" + end + ",asetpts=PTS-STARTPTS[a" + lbl + "]");
10	}
11	S concat = "concat=n=" + l(ranges);
12	out.add(joinMap(iota(i), j -> "[a" + j + "]") + concat + ":v=0:a=1[outa]");
13	ret joinWithSemicolon(out);
14	}