Tests: add silent audio channels muxing tests

Valentin Noel · Valentin Noel · commit c609ac8db4f3 · 2017-09-21T16:42:06.000+02:00
diff --git a/test/pyTest/testMuxAudioChannels.py b/test/pyTest/testMuxAudioChannels.py
@@ -60,7 +60,7 @@ def testMuxAudioChannelsFromDifferentFormatInputs_20():
 
 def testMuxAudioChannelsFromDifferentFormatInputs_51():
     """
-    Mux audio channels from different formats files, and generate one audio stereo stream
+    Mux audio channels from different formats files, and generate one audio 5.1 stream
     """
     # inputs
     inputFileName1 = os.environ['AVTRANSCODER_TEST_AUDIO_MOV_FILE']
@@ -107,3 +107,155 @@ def testMuxAudioChannelsFromDifferentFormatInputs_51():
     dst_audioProperties = dst_inputFile.getProperties().getAudioProperties()
     assert_equals(1, len(dst_audioProperties))
     assert_equals(6, dst_audioProperties[0].getNbChannels())
+
+
+def testMuxAudioChannelsWithSilence_20():
+    """
+    Mux audio channels with generated silence, and generate one audio stereo stream
+    """
+    # input
+    inputFileName = os.environ['AVTRANSCODER_TEST_AUDIO_WAVE_FILE']
+
+    inputs = av.InputStreamDescVector()
+    inputs.append(av.InputStreamDesc(inputFileName, 0, 0))
+    inputs.append(av.InputStreamDesc("", 0, 0)) # empty filename to generate silence
+
+    # output
+    outputFileName = "testMuxAudioChannelsWithSilence_20.wav"
+    ouputFile = av.OutputFile(outputFileName)
+
+    transcoder = av.Transcoder(ouputFile)
+    transcoder.addStream(inputs, "wave24b48kstereo")
+
+    progress = av.ConsoleProgress()
+    processStat = transcoder.process( progress )
+
+    # check process stat returned
+    audioStat = processStat.getAudioStat(0)
+
+    inputFile = av.InputFile(inputFileName)
+
+    src_audioStream = inputFile.getProperties().getAudioProperties()[0]
+
+    assert_equals(src_audioStream.getDuration(), audioStat.getDuration())
+
+    # check dst file properties
+    dst_inputFile = av.InputFile(outputFileName)
+    dst_fileProperties = dst_inputFile.getProperties()
+    assert_equals(src_audioStream.getDuration(), dst_fileProperties.getDuration())
+
+    # check dst audio streams
+    dst_audioProperties = dst_fileProperties.getAudioProperties()
+    assert_equals(1, len(dst_audioProperties))
+    assert_equals(2, dst_audioProperties[0].getNbChannels())
+
+def testMuxAudioChannelsWithSilenceProfileFromInput_20():
+    """
+    Mux audio channels with generated silence, and generate one audio stereo stream
+    """
+    # input
+    inputFileName = os.environ['AVTRANSCODER_TEST_AUDIO_WAVE_FILE']
+
+    inputs = av.InputStreamDescVector()
+    inputs.append(av.InputStreamDesc(inputFileName, 0, 0))
+    inputs.append(av.InputStreamDesc("", 0, 0)) # empty filename to generate silence
+
+    # output
+    outputFileName = "testMuxAudioChannelsWithSilenceNoProfile_20.wav"
+    ouputFile = av.OutputFile(outputFileName)
+
+    transcoder = av.Transcoder(ouputFile)
+    transcoder.addStream(inputs)
+
+    progress = av.ConsoleProgress()
+    processStat = transcoder.process( progress )
+
+    # check process stat returned
+    audioStat = processStat.getAudioStat(0)
+
+    inputFile = av.InputFile(inputFileName)
+
+    src_audioStream = inputFile.getProperties().getAudioProperties()[0]
+
+    assert_equals(src_audioStream.getDuration(), audioStat.getDuration())
+
+    # check dst file properties
+    dst_inputFile = av.InputFile(outputFileName)
+    dst_fileProperties = dst_inputFile.getProperties()
+    assert_equals(src_audioStream.getDuration(), dst_fileProperties.getDuration())
+
+    # check dst audio streams
+    dst_audioProperties = dst_fileProperties.getAudioProperties()
+    assert_equals(1, len(dst_audioProperties))
+    assert_equals(2, dst_audioProperties[0].getNbChannels())
+
+def testMuxAudioChannelsWithSilenceProfileFromInput_51():
+    """
+    Mux audio channels with generated silence, and generate one audio 5.1 stream
+    """
+    # inputs
+    inputFileName1 = os.environ['AVTRANSCODER_TEST_AUDIO_MOV_FILE']
+    inputFileName2 = os.environ['AVTRANSCODER_TEST_AUDIO_WAVE_FILE']
+    assert_not_equals(inputFileName1, inputFileName2)
+
+    inputs = av.InputStreamDescVector()
+    inputs.append(av.InputStreamDesc("", 0, 0)) # empty filename to generate silence
+    inputs.append(av.InputStreamDesc(inputFileName1, 1, 0))
+    inputs.append(av.InputStreamDesc(inputFileName2, 0, 2))
+    inputs.append(av.InputStreamDesc("", 0, 0)) # empty filename to generate silence
+    inputs.append(av.InputStreamDesc(inputFileName2, 0, 1))
+    inputs.append(av.InputStreamDesc("", 0, 0)) # empty filename to generate silence
+
+    # output
+    outputFileName = "testMuxAudioChannelsWithSilenceProfileFromInput_51.wav"
+    ouputFile = av.OutputFile(outputFileName)
+
+    transcoder = av.Transcoder(ouputFile)
+    transcoder.addStream(inputs)
+
+    progress = av.ConsoleProgress()
+    processStat = transcoder.process( progress )
+
+    # check process stat returned
+    audioStat = processStat.getAudioStat(0)
+
+    inputFile1 = av.InputFile(inputFileName1)
+    inputFile2 = av.InputFile(inputFileName2)
+
+    src_audioStream1 = inputFile1.getProperties().getAudioProperties()[0]
+    src_audioStream2 = inputFile2.getProperties().getAudioProperties()[0]
+
+    min_src_duration = min(src_audioStream1.getDuration(), src_audioStream2.getDuration())
+
+    assert_equals(min_src_duration, audioStat.getDuration())
+
+    # check dst file properties
+    dst_inputFile = av.InputFile(outputFileName)
+    dst_fileProperties = dst_inputFile.getProperties()
+    assert_equals(min_src_duration, dst_fileProperties.getDuration())
+
+    # check dst audio streams
+    dst_audioProperties = dst_inputFile.getProperties().getAudioProperties()
+    assert_equals(1, len(dst_audioProperties))
+    assert_equals(6, dst_audioProperties[0].getNbChannels())
+
+@raises(RuntimeError)
+def testMuxAudioChannelsWithSilenceOnly_20():
+    """
+    Mux audio channels with generated silence, and generate one audio stereo stream
+    """
+    # input
+    inputs = av.InputStreamDescVector()
+    inputs.append(av.InputStreamDesc("", 0, 0)) # empty filename to generate silence
+    inputs.append(av.InputStreamDesc("", 0, 0)) # empty filename to generate silence
+
+    # output
+    outputFileName = "testMuxAudioChannelsWithSilenceOnly_20.wav"
+    ouputFile = av.OutputFile(outputFileName)
+
+    transcoder = av.Transcoder(ouputFile)
+    transcoder.addStream(inputs, "wave24b48kstereo")
+
+    progress = av.ConsoleProgress()
+    processStat = transcoder.process( progress )
+
