On Fri, 28 Feb 2020, Carl Eugen Hoyos wrote:

Am Fr., 28. Feb. 2020 um 01:38 Uhr schrieb Marton Balint <c...@passwd.hu>:

Fixes ticket #8523.

Signed-off-by: Marton Balint <c...@passwd.hu>
---
 libavformat/mxf.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/libavformat/mxf.c b/libavformat/mxf.c
index 14056647c5..987410258a 100644
--- a/libavformat/mxf.c
+++ b/libavformat/mxf.c
@@ -135,10 +135,23 @@ static const MXFContentPackageRate 
mxf_content_package_rates[] = {
     {  2, { 1,    24    } },
     {  3, { 1001, 24000 } },
     {  4, { 1,    25    } },
+    {  6, { 1,    30    } },
     {  7, { 1001, 30000 } },
+    {  8, { 1   , 48    } },
+    {  9, { 1001, 48000 } },
     { 10, { 1,    50    } },
     { 12, { 1,    60    } },
     { 13, { 1001, 60000 } },
+    { 14, { 1,    72    } },
+    { 15, { 1001, 72000 } },
+    { 16, { 1,    75    } },
+    { 18, { 1,    90    } },
+    { 19, { 1001, 90000 } },
+    { 20, { 1,    96    } },
+    { 21, { 1001, 96000 } },
+    { 22, { 1,    100   } },
+    { 24, { 1,    120   } },
+    { 25, { 1001, 120000} },

Are these still the only supported frame rates?

These are the *package* rates that SMPTE 326M defines (technically it defines the /1.001 version of 25, 50, 75 and 100 fps, but those are not used).


How do archivists store low-fps film in mxf?

I don't know. One can write an undefined package rate into the file, or the frame rate can may be different from package rate. You can put almost anything into MXF, the only problem is that it will not be widely supported or readable.

Regards,
Marton
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