[nginx-tests] Tests: moved bad mp4 test to a separate file.

Maxim Dounin mdounin at mdounin.ru
Tue Mar 10 01:41:14 UTC 2026


details:   http://freenginx.org/hg/nginx-tests/rev/d6429eb46e37
branches:  
changeset: 2042:d6429eb46e37
user:      Maxim Dounin <mdounin at mdounin.ru>
date:      Tue Mar 10 04:32:36 2026 +0300
description:
Tests: moved bad mp4 test to a separate file.

diffstat:

 mp4.t     |   35 +------------------
 mp4_bad.t |  116 ++++++++++++++-----------------------------------------------
 2 files changed, 28 insertions(+), 123 deletions(-)

diffs (217 lines):

diff --git a/mp4.t b/mp4.t
--- a/mp4.t
+++ b/mp4.t
@@ -65,23 +65,7 @@ system('ffmpeg -nostdin -loglevel quiet 
 	. "${\($t->testdir())}/no_mdat.mp4") == 0
 	or die "Can't create mp4 file: $!";
 
-my $sbad = <<'EOF';
-00000000:  00 00 00 1c 66 74 79 70  69 73 6f 6d 00 00 02 00  |....ftypisom....|
-00000010:  69 73 6f 6d 69 73 6f 32  6d 70 34 31 00 00 00 09  |isomiso2mp41....|
-00000020:  6d 64 61 74 00 00 00 00  94 6d 6f 6f 76 00 00 00  |mdat.....moov...|
-00000030:  8c 74 72 61 6b 00 00 00  84 6d 64 69 61 00 00 00  |.trak....mdia...|
-00000040:  7c 6d 69 6e 66 00 00 00  74 73 74 62 6c 00 00 00  ||minf...tstbl...|
-00000050:  18 73 74 74 73 00 00 00  00 00 00 00 01 00 00 03  |.stts...........|
-00000060:  3a 00 00 04 00 00 00 00  28 73 74 73 63 00 00 00  |:.......(stsc...|
-00000070:  00 00 00 00 02 00 00 00  01 00 00 03 0f 00 00 00  |................|
-00000080:  01 00 00 00 02 00 00 00  2b 00 00 00 01 00 00 00  |........+.......|
-00000090:  14 73 74 73 7a 00 00 00  00 00 00 05 a9 00 00 03  |.stsz...........|
-000000a0:  3b 00 00 00 18 63 6f 36  34 00 00 00 00 00 00 00  |;....co64.......|
-000000b0:  01 ff ff ff ff f0 0f fb  e7                       |.........|
-EOF
-
-$t->write_file('bad.mp4', unhex($sbad));
-$t->run()->plan(27);
+$t->run()->plan(26);
 
 ###############################################################################
 
@@ -115,10 +99,6 @@ like(http_head("$test_uri?start=21"), qr
 
 $test_uri = '/no_mdat.mp4', goto again unless $test_uri eq '/no_mdat.mp4';
 
-# corrupted formats
-
-like(http_get("/bad.mp4?start=0.5"), qr/500 Internal/, 'co64 chunk beyond EOF');
-
 ###############################################################################
 
 sub durations {
@@ -143,17 +123,4 @@ sub durations {
 	sprintf "%.1f %.1f", $r =~ /duration=(\d+\.\d+)/g;
 }
 
-sub unhex {
-	my ($input) = @_;
-	my $buffer = '';
-
-	for my $l ($input =~ m/:  +((?:[0-9a-f]{2,4} +)+) /gms) {
-		for my $v ($l =~ m/[0-9a-f]{2}/g) {
-			$buffer .= chr(hex($v));
-		}
-	}
-
-	return $buffer;
-}
-
 ###############################################################################
diff --git a/mp4.t b/mp4_bad.t
copy from mp4.t
copy to mp4_bad.t
--- a/mp4.t
+++ b/mp4_bad.t
@@ -1,10 +1,10 @@
 #!/usr/bin/perl
 
+# (C) Maxim Dounin
 # (C) Sergey Kandaurov
 # (C) Nginx, Inc.
 
-# Tests for mp4 module.
-# Ensures that requested stream duration is given with sane accuracy.
+# Tests for mp4 module, various bad mp4 files.
 
 ###############################################################################
 
@@ -16,15 +16,14 @@ use Test::More;
 BEGIN { use FindBin; chdir($FindBin::Bin); }
 
 use lib 'lib';
-use Test::Nginx qw/ :DEFAULT http_content /;
+use Test::Nginx;
 
 ###############################################################################
 
 select STDERR; $| = 1;
 select STDOUT; $| = 1;
 
-my $t = Test::Nginx->new()->has(qw/http mp4/)->has_daemon('ffprobe')
-	->has_daemon('ffmpeg')
+my $t = Test::Nginx->new()->has(qw/http mp4/)->plan(1)
 	->write_file_expand('nginx.conf', <<'EOF');
 
 %%TEST_GLOBALS%%
@@ -49,100 +48,39 @@ http {
 
 EOF
 
-plan(skip_all => 'no lavfi')
-	unless grep /lavfi/, `ffmpeg -loglevel quiet -formats`;
-system('ffmpeg -nostdin -loglevel quiet -y '
-	. '-f lavfi -i testsrc=duration=10:size=320x200:rate=15 '
-	. '-f lavfi -i testsrc=duration=20:size=320x200:rate=15 '
-	. '-map 0:0 -map 1:0 -pix_fmt yuv420p -g 15 -c:v mpeg4 '
-	. "${\($t->testdir())}/test.mp4") == 0
-	or die "Can't create mp4 file: $!";
-system('ffmpeg -nostdin -loglevel quiet -y '
-	. '-f lavfi -i testsrc=duration=10:size=320x200:rate=15 '
-	. '-f lavfi -i testsrc=duration=20:size=320x200:rate=15 '
-	. '-map 0:0 -map 1:0 -pix_fmt yuv420p -g 15 -c:v mpeg4 '
-	. '-movflags +faststart '
-	. "${\($t->testdir())}/no_mdat.mp4") == 0
-	or die "Can't create mp4 file: $!";
+# chunk offset in stco/co64 atom beyond the end of file
 
-my $sbad = <<'EOF';
+my $bad_co64 = <<'EOF';
 00000000:  00 00 00 1c 66 74 79 70  69 73 6f 6d 00 00 02 00  |....ftypisom....|
-00000010:  69 73 6f 6d 69 73 6f 32  6d 70 34 31 00 00 00 09  |isomiso2mp41....|
-00000020:  6d 64 61 74 00 00 00 00  94 6d 6f 6f 76 00 00 00  |mdat.....moov...|
-00000030:  8c 74 72 61 6b 00 00 00  84 6d 64 69 61 00 00 00  |.trak....mdia...|
-00000040:  7c 6d 69 6e 66 00 00 00  74 73 74 62 6c 00 00 00  ||minf...tstbl...|
-00000050:  18 73 74 74 73 00 00 00  00 00 00 00 01 00 00 03  |.stts...........|
-00000060:  3a 00 00 04 00 00 00 00  28 73 74 73 63 00 00 00  |:.......(stsc...|
-00000070:  00 00 00 00 02 00 00 00  01 00 00 03 0f 00 00 00  |................|
-00000080:  01 00 00 00 02 00 00 00  2b 00 00 00 01 00 00 00  |........+.......|
-00000090:  14 73 74 73 7a 00 00 00  00 00 00 05 a9 00 00 03  |.stsz...........|
-000000a0:  3b 00 00 00 18 63 6f 36  34 00 00 00 00 00 00 00  |;....co64.......|
-000000b0:  01 ff ff ff ff f0 0f fb  e7                       |.........|
+00000000:  69 73 6f 6d 69 73 6f 32  6d 70 34 31              |isomiso2mp41|
+00000000:  00 00 00 08 6d 64 61 74                           |....mdat|
+00000000:  00 00 00 94 6d 6f 6f 76                           |....moov|
+00000000:  00 00 00 8c 74 72 61 6b                           |....trak|
+00000000:  00 00 00 84 6d 64 69 61                           |....mdia|
+00000000:  00 00 00 7c 6d 69 6e 66                           |....minf|
+00000000:  00 00 00 74 73 74 62 6c                           |....stbl|
+00000000:  00 00 00 18 73 74 74 73  00 00 00 00 00 00 00 01  |....stts........|
+00000000:  00 00 03 3a 00 00 04 00                           |........|
+00000000:  00 00 00 28 73 74 73 63  00 00 00 00 00 00 00 01  |....stsc........|
+00000000:  00 00 00 01 ff ff ff ff  00 00 00 00              |............|
+00000000:  00 00 00 02 ff ff ff ff  00 00 00 00              |............|
+00000000:  00 00 00 14 73 74 73 7a  00 00 00 00 00 00 05 a9  |....stsz........|
+00000000:  00 00 03 3b                                       |....|
+00000000:  00 00 00 18 63 6f 36 34  00 00 00 00 00 00 00 01  |....co64........|
+00000000:  ff ff ff ff f0 0f fb e7                           |........|
 EOF
 
-$t->write_file('bad.mp4', unhex($sbad));
-$t->run()->plan(27);
+$t->write_file('bad_co64.mp4', unhex($bad_co64));
+
+$t->run();
 
 ###############################################################################
 
-my $test_uri = '/test.mp4';
-
-again:
-
-is(durations($t, 0.0), '10.0 20.0', 'start zero');
-is(durations($t, 2), '8.0 18.0', 'start integer');
-is(durations($t, 7.1), '2.9 12.9', 'start float');
-
-is(durations($t, 6, 9), '3.0 3.0', 'start end integer');
-is(durations($t, 2.7, 5.6), '2.9 2.9', 'start end float');
-
-is(durations($t, undef, 9), '9.0 9.0', 'end integer');
-is(durations($t, undef, 5.6), '5.6 5.6', 'end float');
-
-# invalid range results in ignoring end argument
-
-like(http_head("$test_uri?start=1&end=1"), qr/200 OK/, 'zero range');
-like(http_head("$test_uri?start=1&end=0"), qr/200 OK/, 'negative range');
-
-# start/end values exceeding track/file duration
-
-unlike(http_head("$test_uri?end=11"), qr!HTTP/1.1 500!,
-	'end beyond short track');
-unlike(http_head("$test_uri?end=21"), qr!HTTP/1.1 500!, 'end beyond EOF');
-unlike(http_head("$test_uri?start=11"), qr!HTTP/1.1 500!,
-	'start beyond short track');
-like(http_head("$test_uri?start=21"), qr!HTTP/1.1 500!, 'start beyond EOF');
-
-$test_uri = '/no_mdat.mp4', goto again unless $test_uri eq '/no_mdat.mp4';
-
-# corrupted formats
-
-like(http_get("/bad.mp4?start=0.5"), qr/500 Internal/, 'co64 chunk beyond EOF');
+like(http_get("/bad_co64.mp4?start=0.5"), qr/500 Internal/,
+	'co64 chunk after eof');
 
 ###############################################################################
 
-sub durations {
-	my ($t, $start, $end) = @_;
-	my $path = $t->{_testdir} . '/frag.mp4';
-
-	my $uri = $test_uri;
-	if (defined $start) {
-		$uri .= "?start=$start";
-		if (defined $end) {
-			$uri .= "&end=$end";
-		}
-
-	} elsif (defined $end) {
-		$uri .= "?end=$end";
-	}
-
-	$t->write_file('frag.mp4', http_content(http_get($uri)));
-
-	my $r = `ffprobe -show_streams $path 2>/dev/null`;
-	Test::Nginx::log_core('||', $r);
-	sprintf "%.1f %.1f", $r =~ /duration=(\d+\.\d+)/g;
-}
-
 sub unhex {
 	my ($input) = @_;
 	my $buffer = '';


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