media/ffmpeg/ffmpeg_common_unittest.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/logging.h"
   6 #include "media/ffmpeg/ffmpeg_common.h"
   7 #include "media/filters/ffmpeg_glue.h"
   8 #include "testing/gtest/include/gtest/gtest.h"
   9
  10 namespace media {
  11
  12 class FFmpegCommonTest : public testing::Test {
  13  public:
  14   FFmpegCommonTest() { FFmpegGlue::InitializeFFmpeg(); }
  15   ~FFmpegCommonTest() override{};
  16 };
  17
  18 TEST_F(FFmpegCommonTest, OpusAudioDecoderConfig) {
  19   AVCodecContext context = {0};
  20   context.codec_type = AVMEDIA_TYPE_AUDIO;
  21   context.codec_id = AV_CODEC_ID_OPUS;
  22   context.channel_layout = CHANNEL_LAYOUT_STEREO;
  23   context.channels = 2;
  24   context.sample_fmt = AV_SAMPLE_FMT_FLT;
  25
  26   // During conversion this sample rate should be changed to 48kHz.
  27   context.sample_rate = 44100;
  28
  29   AudioDecoderConfig decoder_config;
  30   AVCodecContextToAudioDecoderConfig(&context, false, &decoder_config, false);
  31   EXPECT_EQ(48000, decoder_config.samples_per_second());
  32 }
  33
  34 TEST_F(FFmpegCommonTest, TimeBaseConversions) {
  35   const int64 test_data[][5] = {
  36     {1, 2, 1, 500000, 1 },
  37     {1, 3, 1, 333333, 1 },
  38     {1, 3, 2, 666667, 2 },
  39   };
  40
  41   for (size_t i = 0; i < arraysize(test_data); ++i) {
  42     SCOPED_TRACE(i);
  43
  44     AVRational time_base;
  45     time_base.num = static_cast<int>(test_data[i][0]);
  46     time_base.den = static_cast<int>(test_data[i][1]);
  47
  48     base::TimeDelta time_delta =
  49         ConvertFromTimeBase(time_base, test_data[i][2]);
  50
  51     EXPECT_EQ(time_delta.InMicroseconds(), test_data[i][3]);
  52     EXPECT_EQ(ConvertToTimeBase(time_base, time_delta), test_data[i][4]);
  53   }
  54 }
  55
  56 TEST_F(FFmpegCommonTest, VerifyFormatSizes) {
  57   for (AVSampleFormat format = AV_SAMPLE_FMT_NONE;
  58        format < AV_SAMPLE_FMT_NB;
  59        format = static_cast<AVSampleFormat>(format + 1)) {
  60     SampleFormat sample_format = AVSampleFormatToSampleFormat(format);
  61     if (sample_format == kUnknownSampleFormat) {
  62       // This format not supported, so skip it.
  63       continue;
  64     }
  65
  66     // Have FFMpeg compute the size of a buffer of 1 channel / 1 frame
  67     // with 1 byte alignment to make sure the sizes match.
  68     int single_buffer_size = av_samples_get_buffer_size(NULL, 1, 1, format, 1);
  69     int bytes_per_channel = SampleFormatToBytesPerChannel(sample_format);
  70     EXPECT_EQ(bytes_per_channel, single_buffer_size);
  71   }
  72 }
  73
  74 TEST_F(FFmpegCommonTest, UTCDateToTime_Valid) {
  75   base::Time result;
  76   EXPECT_TRUE(FFmpegUTCDateToTime("2012-11-10 12:34:56", &result));
  77
  78   base::Time::Exploded exploded;
  79   result.UTCExplode(&exploded);
  80   EXPECT_TRUE(exploded.HasValidValues());
  81   EXPECT_EQ(2012, exploded.year);
  82   EXPECT_EQ(11, exploded.month);
  83   EXPECT_EQ(6, exploded.day_of_week);
  84   EXPECT_EQ(10, exploded.day_of_month);
  85   EXPECT_EQ(12, exploded.hour);
  86   EXPECT_EQ(34, exploded.minute);
  87   EXPECT_EQ(56, exploded.second);
  88   EXPECT_EQ(0, exploded.millisecond);
  89 }
  90
  91 TEST_F(FFmpegCommonTest, UTCDateToTime_Invalid) {
  92   const char* invalid_date_strings[] = {
  93     "",
  94     "2012-11-10",
  95     "12:34:56",
  96     "-- ::",
  97     "2012-11-10 12:34:",
  98     "2012-11-10 12::56",
  99     "2012-11-10 :34:56",
 100     "2012-11- 12:34:56",
 101     "2012--10 12:34:56",
 102     "-11-10 12:34:56",
 103     "2012-11 12:34:56",
 104     "2012-11-10-12 12:34:56",
 105     "2012-11-10 12:34",
 106     "2012-11-10 12:34:56:78",
 107     "ABCD-11-10 12:34:56",
 108     "2012-EF-10 12:34:56",
 109     "2012-11-GH 12:34:56",
 110     "2012-11-10 IJ:34:56",
 111     "2012-11-10 12:JL:56",
 112     "2012-11-10 12:34:MN",
 113     "2012-11-10 12:34:56.123",
 114     "2012-11-1012:34:56",
 115     "2012-11-10 12:34:56 UTC",
 116   };
 117
 118   for (size_t i = 0; i < arraysize(invalid_date_strings); ++i) {
 119     const char* date_string = invalid_date_strings[i];
 120     base::Time result;
 121     EXPECT_FALSE(FFmpegUTCDateToTime(date_string, &result))
 122         << "date_string '" << date_string << "'";
 123     EXPECT_TRUE(result.is_null());
 124   }
 125 }
 126
 127 }  // namespace media