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 "base/memory/scoped_ptr.h"
   7 #include "media/base/media.h"
   8 #include "media/ffmpeg/ffmpeg_common.h"
   9 #include "media/filters/ffmpeg_glue.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11
  12 namespace media {
  13
  14 class FFmpegCommonTest : public testing::Test {
  15  public:
  16   FFmpegCommonTest() {
  17     FFmpegGlue::InitializeFFmpeg();
  18   }
  19   ~FFmpegCommonTest() override{};
  20 };
  21
  22 TEST_F(FFmpegCommonTest, OpusAudioDecoderConfig) {
  23   AVCodecContext context = {0};
  24   context.codec_type = AVMEDIA_TYPE_AUDIO;
  25   context.codec_id = AV_CODEC_ID_OPUS;
  26   context.channel_layout = CHANNEL_LAYOUT_STEREO;
  27   context.channels = 2;
  28   context.sample_fmt = AV_SAMPLE_FMT_FLT;
  29
  30   // During conversion this sample rate should be changed to 48kHz.
  31   context.sample_rate = 44100;
  32
  33   AudioDecoderConfig decoder_config;
  34   AVCodecContextToAudioDecoderConfig(&context, false, &decoder_config, false);
  35   EXPECT_EQ(48000, decoder_config.samples_per_second());
  36 }
  37
  38 TEST_F(FFmpegCommonTest, TimeBaseConversions) {
  39   const int64 test_data[][5] = {
  40     {1, 2, 1, 500000, 1 },
  41     {1, 3, 1, 333333, 1 },
  42     {1, 3, 2, 666667, 2 },
  43   };
  44
  45   for (size_t i = 0; i < arraysize(test_data); ++i) {
  46     SCOPED_TRACE(i);
  47
  48     AVRational time_base;
  49     time_base.num = static_cast<int>(test_data[i][0]);
  50     time_base.den = static_cast<int>(test_data[i][1]);
  51
  52     base::TimeDelta time_delta =
  53         ConvertFromTimeBase(time_base, test_data[i][2]);
  54
  55     EXPECT_EQ(time_delta.InMicroseconds(), test_data[i][3]);
  56     EXPECT_EQ(ConvertToTimeBase(time_base, time_delta), test_data[i][4]);
  57   }
  58 }
  59
  60 TEST_F(FFmpegCommonTest, VerifyFormatSizes) {
  61   for (AVSampleFormat format = AV_SAMPLE_FMT_NONE;
  62        format < AV_SAMPLE_FMT_NB;
  63        format = static_cast<AVSampleFormat>(format + 1)) {
  64     SampleFormat sample_format = AVSampleFormatToSampleFormat(format);
  65     if (sample_format == kUnknownSampleFormat) {
  66       // This format not supported, so skip it.
  67       continue;
  68     }
  69
  70     // Have FFMpeg compute the size of a buffer of 1 channel / 1 frame
  71     // with 1 byte alignment to make sure the sizes match.
  72     int single_buffer_size = av_samples_get_buffer_size(NULL, 1, 1, format, 1);
  73     int bytes_per_channel = SampleFormatToBytesPerChannel(sample_format);
  74     EXPECT_EQ(bytes_per_channel, single_buffer_size);
  75   }
  76 }
  77
  78 TEST_F(FFmpegCommonTest, UTCDateToTime_Valid) {
  79   base::Time result;
  80   EXPECT_TRUE(FFmpegUTCDateToTime("2012-11-10 12:34:56", &result));
  81
  82   base::Time::Exploded exploded;
  83   result.UTCExplode(&exploded);
  84   EXPECT_TRUE(exploded.HasValidValues());
  85   EXPECT_EQ(2012, exploded.year);
  86   EXPECT_EQ(11, exploded.month);
  87   EXPECT_EQ(6, exploded.day_of_week);
  88   EXPECT_EQ(10, exploded.day_of_month);
  89   EXPECT_EQ(12, exploded.hour);
  90   EXPECT_EQ(34, exploded.minute);
  91   EXPECT_EQ(56, exploded.second);
  92   EXPECT_EQ(0, exploded.millisecond);
  93 }
  94
  95 TEST_F(FFmpegCommonTest, UTCDateToTime_Invalid) {
  96   const char* invalid_date_strings[] = {
  97     "",
  98     "2012-11-10",
  99     "12:34:56",
 100     "-- ::",
 101     "2012-11-10 12:34:",
 102     "2012-11-10 12::56",
 103     "2012-11-10 :34:56",
 104     "2012-11- 12:34:56",
 105     "2012--10 12:34:56",
 106     "-11-10 12:34:56",
 107     "2012-11 12:34:56",
 108     "2012-11-10-12 12:34:56",
 109     "2012-11-10 12:34",
 110     "2012-11-10 12:34:56:78",
 111     "ABCD-11-10 12:34:56",
 112     "2012-EF-10 12:34:56",
 113     "2012-11-GH 12:34:56",
 114     "2012-11-10 IJ:34:56",
 115     "2012-11-10 12:JL:56",
 116     "2012-11-10 12:34:MN",
 117     "2012-11-10 12:34:56.123",
 118     "2012-11-1012:34:56",
 119     "2012-11-10 12:34:56 UTC",
 120   };
 121
 122   for (size_t i = 0; i < arraysize(invalid_date_strings); ++i) {
 123     const char* date_string = invalid_date_strings[i];
 124     base::Time result;
 125     EXPECT_FALSE(FFmpegUTCDateToTime(date_string, &result))
 126         << "date_string '" << date_string << "'";
 127     EXPECT_TRUE(result.is_null());
 128   }
 129 }
 130
 131 }  // namespace media