Mercurial > hg > nginx-tests
annotate mp4_start_key_frame.t @ 1983:c7315caf2110
Tests: optimized processing of large QUIC packets with padding.
Path MTU discovery packets might contain a lot of padding, and creating
a copy of the whole buffer for each PADDING frame, which is just one
byte with type 0, consumes lots of resources. This was seen to result
in flapping of at least h3_keepalive.t and h3_ssl_early_data.t tests.
Fix is to copy at most 8 bytes for parse_int() calls when parsing
frame types.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 03 Jun 2024 04:17:28 +0300 |
parents | 2a0a6035a1af |
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1 #!/usr/bin/perl |
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2 |
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3 # (C) Sergey Kandaurov |
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4 # (C) Nginx, Inc. |
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5 |
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6 # Tests for the mp4_start_key_frame directive. |
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7 |
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8 ############################################################################### |
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9 |
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10 use warnings; |
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11 use strict; |
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12 |
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13 use Test::More; |
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14 |
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15 BEGIN { use FindBin; chdir($FindBin::Bin); } |
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16 |
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17 use lib 'lib'; |
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18 use Test::Nginx qw/ :DEFAULT http_content /; |
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19 |
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20 ############################################################################### |
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21 |
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22 select STDERR; $| = 1; |
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23 select STDOUT; $| = 1; |
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24 |
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25 my $t = Test::Nginx->new()->has(qw/http mp4/)->has_daemon('ffprobe') |
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26 ->has_daemon('ffmpeg') |
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27 ->write_file_expand('nginx.conf', <<'EOF'); |
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28 |
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29 %%TEST_GLOBALS%% |
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30 |
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31 daemon off; |
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32 |
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33 events { |
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34 } |
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35 |
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36 http { |
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37 %%TEST_GLOBALS_HTTP%% |
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38 |
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39 server { |
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40 listen 127.0.0.1:8080; |
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41 server_name localhost; |
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42 |
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43 location / { |
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44 mp4; |
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45 } |
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46 |
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47 location /force/ { |
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48 mp4; |
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49 mp4_start_key_frame on; |
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50 alias %%TESTDIR%%/; |
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51 } |
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52 } |
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53 } |
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54 |
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55 EOF |
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56 |
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57 plan(skip_all => 'no lavfi') |
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58 unless grep /lavfi/, `ffmpeg -loglevel quiet -formats`; |
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59 system('ffmpeg -nostdin -loglevel quiet -y ' |
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60 . '-f lavfi -i testsrc=duration=10:size=320x200:rate=15 ' |
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61 . '-pix_fmt yuv420p -g 15 -c:v libx264 ' |
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62 . "${\($t->testdir())}/test.mp4") == 0 |
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63 or die "Can't create mp4 file: $!"; |
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64 $t->run()->plan(4); |
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65 |
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66 ############################################################################### |
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67 |
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68 # baseline durations |
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69 |
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70 my $test_uri = '/test.mp4'; |
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71 is(durations($t, 2.0, 4.0), '2.00', 'start at key frame'); |
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72 isnt(durations($t, 2.1, 4.0), '1.90', 'start off key frame'); |
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73 |
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74 # with forced start at key frame |
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75 |
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76 $test_uri = '/force/test.mp4'; |
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77 is(durations($t, 2.0, 4.0), '2.00', 'start at key frame force'); |
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78 is(durations($t, 2.1, 4.0), '1.90', 'start off key frame force'); |
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79 |
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80 ############################################################################### |
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81 |
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82 sub durations { |
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83 my ($t, $start, $end) = @_; |
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84 my $path = $t->{_testdir} . '/frag.mp4'; |
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85 |
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86 my $uri = $test_uri; |
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87 if (defined $start) { |
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88 $uri .= "?start=$start"; |
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89 if (defined $end) { |
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90 $uri .= "&end=$end"; |
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91 } |
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92 |
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93 } elsif (defined $end) { |
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94 $uri .= "?end=$end"; |
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95 } |
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96 |
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97 $t->write_file('frag.mp4', http_content(http_get($uri))); |
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98 |
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99 my $r = `ffprobe -show_streams $path 2>/dev/null`; |
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100 Test::Nginx::log_core('||', $r); |
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101 sprintf "%.2f", $r =~ /duration=(\d+\.\d+)/g; |
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102 } |
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103 |
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104 ############################################################################### |