Am 2021-06-28 03:00, schrieb Marton Balint:
On Sun, 27 Jun 2021, emco...@ffastrans.com wrote:
Am 2021-06-27 20:12, schrieb Marton Balint:
Why? I though it is enough if you store the partition number in the
metadata set, that way you should be able to compare if the existing
metadata set is better than the current one when adding a new
metadata
set. Or am I missing something?
OK, i just had a try on this but honestly i don't know how this could
work without a very deep change of the whole mxfdec.c.
The problem is that i cannot just add a field to the struct
MXFMetadataSet as this points to raw data which has been read from the
mxf file. I could add a field but if i initialize the value, i will
automatically destroy the original raw data which was read from the
mxf file.
See the attached patch, that is what I had in mind. Or is it overkill?
Can you test it with your dataset and see if it makes any difference?
Thanks,
Marton
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Tested your patch pleasure, thanks for the support! The "score approach"
seems to work in practice exactly as my previous patch, the only thing i
fear about is that it is a little harder now to foresee which metadata
source is taken from a users perspective but i also think it is now more
compliant than it was before.
Using my test fileset which contains 4.476 mxf files (not all unique,
maybe half is duplicates and most focus on xdcamhd and D10), we have 90
differences between ffprobe before your patch and after your patch. All
of the differences are only in files that have openincomplete header.
Most of the differences just changes the duration from a guessed one to
the analyzed one:
All STREAMS (NEW - OLD):
"duration_ts": 3000, "duration_ts": 3099,
"duration": "120.000000", "duration": "123.960000",
FORMAT (NEW - OLD):
"duration": "120.000000", "duration": "123.969813",
"bit_rate": "61178142", "bit_rate": "59219070",
Exception one Op1b self contained file, where the "old" version did not
spit out a "duration" value at all, so it was not even calculated from
bitrate, it was just missing in the format section and set to 0 in the
stream section.
Exception two, there were 4 files (3 were samples from IRT and 1 a real
world file from old omneon version) where the startc OLD was 0 and the
new one was the MP starttimecode from MP, so perfect.
So the conclusion is that of course your version had the same effect on
my testfileset than my patch version, so thats nice.
Also, the FATE samples i shared will still work and can be used for this
patch.
Attached a patch for adding only the fate samples. Note that these Fate
tests of course fail when the patch for mxfdec.c is not applied.
https://we.tl/t-MVmyG2mZHq
Thanks a lot!
-emcodem
From 499a41f0db6cfda746fd8751d4e55e910f495687 Mon Sep 17 00:00:00 2001
From: emcodem <emco...@ffastrans.com>
Date: Mon, 28 Jun 2021 21:54:54 +0200
Subject: [PATCH 1/1] mxf Fate tests for openincomplete and truncated
---
tests/fate/mxf.mak | 10 +
tests/ref/fate/mxf-probe-xdcamhd-oit | 442 ++++++++++++++++++++++
tests/ref/fate/mxf-probe-xdcamhd-tcfooter | 442 ++++++++++++++++++++++
3 files changed, 894 insertions(+)
create mode 100644 tests/ref/fate/mxf-probe-xdcamhd-oit
create mode 100644 tests/ref/fate/mxf-probe-xdcamhd-tcfooter
diff --git a/tests/fate/mxf.mak b/tests/fate/mxf.mak
index 3a1096176f..1b7be46c64 100644
--- a/tests/fate/mxf.mak
+++ b/tests/fate/mxf.mak
@@ -37,6 +37,16 @@ FATE_MXF_PROBE-$(call ENCDEC2, PRORES, PCM_S24LE, MXF) += fate-mxf-probe-applehd
fate-mxf-probe-applehdr10: SRC = $(TARGET_SAMPLES)/mxf/Meridian-Apple_ProResProxy-HDR10.mxf
fate-mxf-probe-applehdr10: CMD = run $(PROBE_FORMAT_STREAMS_COMMAND) -i "$(SRC)" | sed -e "s/yuv422p10../yuv422p10/"
+# openincomplete Header, truncated
+FATE_MXF_PROBE-$(call ENCDEC2, MPEG2VIDEO, PCM_S16LE, MXF) += fate-mxf-probe-xdcamhd-oit
+fate-mxf-probe-xdcamhd-oit: SRC = $(TARGET_SAMPLES)/mxf/omneon_6.4.1.0.1_xdcam_truncated.mxf
+fate-mxf-probe-xdcamhd-oit: CMD = run $(PROBE_FORMAT_STREAMS_COMMAND) -i "$(SRC)"
+
+# openincomplete Header, starttc in header 0 but Footer MP 10:11:17:21, SP 10:11:17:17
+FATE_MXF_PROBE-$(call ENCDEC2, MPEG2VIDEO, PCM_S24LE, MXF) += fate-mxf-probe-xdcamhd-tcfooter
+fate-mxf-probe-xdcamhd-tcfooter: SRC = $(TARGET_SAMPLES)/mxf/omneon_8.3.0.0_xdcam_startc_footer.mxf
+fate-mxf-probe-xdcamhd-tcfooter: CMD = run $(PROBE_FORMAT_STREAMS_COMMAND) -i "$(SRC)"
+
FATE_MXF_REEL_NAME-$(call ENCDEC2, MPEG2VIDEO, PCM_S16LE, MXF) += fate-mxf-reel_name
fate-mxf-reel_name: $(SAMPLES)/mxf/Sony-00001.mxf
fate-mxf-reel_name: CMD = md5 -y -i $(TARGET_SAMPLES)/mxf/Sony-00001.mxf -c copy -timecode 00:00:00:00 -metadata "reel_name=test_reel" -fflags +bitexact -f mxf
diff --git a/tests/ref/fate/mxf-probe-xdcamhd-oit b/tests/ref/fate/mxf-probe-xdcamhd-oit
new file mode 100644
index 0000000000..040a4e0fba
--- /dev/null
+++ b/tests/ref/fate/mxf-probe-xdcamhd-oit
@@ -0,0 +1,442 @@
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diff --git a/tests/ref/fate/mxf-probe-xdcamhd-tcfooter b/tests/ref/fate/mxf-probe-xdcamhd-tcfooter
new file mode 100644
index 0000000000..710cf616b5
--- /dev/null
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--
2.17.1
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