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| author | Carl Hetherington <cth@carlh.net> | 2021-10-09 01:45:10 +0200 |
|---|---|---|
| committer | Carl Hetherington <cth@carlh.net> | 2021-10-09 01:45:10 +0200 |
| commit | 87a2b47a8f5b0704d271cecbde3660066304d408 (patch) | |
| tree | 332349cb8c6ebc94ce5a134319f108f314ca2e2e | |
| parent | 6b5f5dfe4aebf10a7ecd707e157a85d89270a4ff (diff) | |
Update manual per #2068.
| -rw-r--r-- | doc/manual/dcpomatic.xml | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/doc/manual/dcpomatic.xml b/doc/manual/dcpomatic.xml index 0354d6b55..32007d1c2 100644 --- a/doc/manual/dcpomatic.xml +++ b/doc/manual/dcpomatic.xml @@ -2139,7 +2139,15 @@ from the timeline is also preserved. <para> From this dialogue you can select the required output format, output file and, in the case of MP4, the quality of the output - file. Higher quality files will, of course, be larger. + file (by setting the <ulink url="https://trac.ffmpeg.org/wiki/Encode/H.264#crf">CRF value</ulink>). + </para> + + <para> + The useful range of CRF values is from 17 (high quality but large file size) to 28 (smaller file size and still reasonable quality). + </para> + + <para> + The time needed to export, and the resulting size, depend partly on the DCP resolution set in the project. To change that, see chapter <xref linkend="ch-dcp"/>. </para> <para> @@ -3786,21 +3794,25 @@ The full details of OV and VF files are discussed in <xref linkend="sec-overlay" <title>Verifying DCPs</title> <para> - The player also offers a DCP checker. To check a DCP, + The player also offers a DCP verifier. To check a DCP, open it and then select <guilabel>Verify DCP</guilabel> from the <guilabel>Tools</guilabel> menu. </para> <para> - The validator will report three kinds of problems: + The verifier will report three kinds of problems: </para> <itemizedlist> - <listitem>Errors — serious problems with the DCP that are likely to cause problems on playback.</listitem> - <listitem>Bv2.1 errors — errors described by the <ulink url="https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=9161348">SMPTE Bv2.1 standard</ulink>.</listitem> - <listitem>Warnings — small problems that may not matter.</listitem> + <listitem><emphasis>Errors</emphasis> — serious problems with the DCP that are likely to cause problems on playback.</listitem> + <listitem><emphasis>Bv2.1 errors</emphasis> — errors described by the <ulink url="https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=9161348">SMPTE Bv2.1 standard</ulink>.</listitem> + <listitem><emphasis>Warnings</emphasis> — small problems that may not matter.</listitem> </itemizedlist> + <para> + The following sections list what the verifier checks for in each category. + </para> + <section> <title>Errors</title> <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="verify_errors.xml"/> |