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Valentin Noel
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Tests: add silent audio channels muxing tests
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‎test/pyTest/testMuxAudioChannels.py

Lines changed: 153 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -60,7 +60,7 @@ def testMuxAudioChannelsFromDifferentFormatInputs_20():
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def testMuxAudioChannelsFromDifferentFormatInputs_51():
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"""
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Mux audio channels from different formats files, and generate one audio stereo stream
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Mux audio channels from different formats files, and generate one audio 5.1 stream
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"""
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# inputs
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inputFileName1 = os.environ['AVTRANSCODER_TEST_AUDIO_MOV_FILE']
@@ -107,3 +107,155 @@ def testMuxAudioChannelsFromDifferentFormatInputs_51():
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dst_audioProperties = dst_inputFile.getProperties().getAudioProperties()
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assert_equals(1, len(dst_audioProperties))
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assert_equals(6, dst_audioProperties[0].getNbChannels())
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def testMuxAudioChannelsWithSilence_20():
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"""
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Mux audio channels with generated silence, and generate one audio stereo stream
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"""
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# input
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inputFileName = os.environ['AVTRANSCODER_TEST_AUDIO_WAVE_FILE']
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inputs = av.InputStreamDescVector()
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inputs.append(av.InputStreamDesc(inputFileName, 0, 0))
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inputs.append(av.InputStreamDesc("", 0, 0)) # empty filename to generate silence
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# output
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outputFileName = "testMuxAudioChannelsWithSilence_20.wav"
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ouputFile = av.OutputFile(outputFileName)
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transcoder = av.Transcoder(ouputFile)
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transcoder.addStream(inputs, "wave24b48kstereo")
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progress = av.ConsoleProgress()
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processStat = transcoder.process( progress )
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# check process stat returned
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audioStat = processStat.getAudioStat(0)
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inputFile = av.InputFile(inputFileName)
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src_audioStream = inputFile.getProperties().getAudioProperties()[0]
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assert_equals(src_audioStream.getDuration(), audioStat.getDuration())
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# check dst file properties
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dst_inputFile = av.InputFile(outputFileName)
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dst_fileProperties = dst_inputFile.getProperties()
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assert_equals(src_audioStream.getDuration(), dst_fileProperties.getDuration())
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# check dst audio streams
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dst_audioProperties = dst_fileProperties.getAudioProperties()
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assert_equals(1, len(dst_audioProperties))
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assert_equals(2, dst_audioProperties[0].getNbChannels())
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def testMuxAudioChannelsWithSilenceProfileFromInput_20():
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"""
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Mux audio channels with generated silence, and generate one audio stereo stream
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"""
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# input
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inputFileName = os.environ['AVTRANSCODER_TEST_AUDIO_WAVE_FILE']
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inputs = av.InputStreamDescVector()
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inputs.append(av.InputStreamDesc(inputFileName, 0, 0))
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inputs.append(av.InputStreamDesc("", 0, 0)) # empty filename to generate silence
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# output
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outputFileName = "testMuxAudioChannelsWithSilenceNoProfile_20.wav"
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ouputFile = av.OutputFile(outputFileName)
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transcoder = av.Transcoder(ouputFile)
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transcoder.addStream(inputs)
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progress = av.ConsoleProgress()
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processStat = transcoder.process( progress )
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# check process stat returned
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audioStat = processStat.getAudioStat(0)
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inputFile = av.InputFile(inputFileName)
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src_audioStream = inputFile.getProperties().getAudioProperties()[0]
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assert_equals(src_audioStream.getDuration(), audioStat.getDuration())
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# check dst file properties
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dst_inputFile = av.InputFile(outputFileName)
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dst_fileProperties = dst_inputFile.getProperties()
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assert_equals(src_audioStream.getDuration(), dst_fileProperties.getDuration())
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# check dst audio streams
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dst_audioProperties = dst_fileProperties.getAudioProperties()
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assert_equals(1, len(dst_audioProperties))
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assert_equals(2, dst_audioProperties[0].getNbChannels())
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def testMuxAudioChannelsWithSilenceProfileFromInput_51():
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"""
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Mux audio channels with generated silence, and generate one audio 5.1 stream
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"""
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# inputs
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inputFileName1 = os.environ['AVTRANSCODER_TEST_AUDIO_MOV_FILE']
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inputFileName2 = os.environ['AVTRANSCODER_TEST_AUDIO_WAVE_FILE']
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assert_not_equals(inputFileName1, inputFileName2)
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inputs = av.InputStreamDescVector()
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inputs.append(av.InputStreamDesc("", 0, 0)) # empty filename to generate silence
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inputs.append(av.InputStreamDesc(inputFileName1, 1, 0))
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inputs.append(av.InputStreamDesc(inputFileName2, 0, 2))
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inputs.append(av.InputStreamDesc("", 0, 0)) # empty filename to generate silence
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inputs.append(av.InputStreamDesc(inputFileName2, 0, 1))
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inputs.append(av.InputStreamDesc("", 0, 0)) # empty filename to generate silence
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# output
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outputFileName = "testMuxAudioChannelsWithSilenceProfileFromInput_51.wav"
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ouputFile = av.OutputFile(outputFileName)
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transcoder = av.Transcoder(ouputFile)
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transcoder.addStream(inputs)
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progress = av.ConsoleProgress()
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processStat = transcoder.process( progress )
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# check process stat returned
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audioStat = processStat.getAudioStat(0)
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inputFile1 = av.InputFile(inputFileName1)
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inputFile2 = av.InputFile(inputFileName2)
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src_audioStream1 = inputFile1.getProperties().getAudioProperties()[0]
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src_audioStream2 = inputFile2.getProperties().getAudioProperties()[0]
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min_src_duration = min(src_audioStream1.getDuration(), src_audioStream2.getDuration())
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assert_equals(min_src_duration, audioStat.getDuration())
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# check dst file properties
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dst_inputFile = av.InputFile(outputFileName)
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dst_fileProperties = dst_inputFile.getProperties()
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assert_equals(min_src_duration, dst_fileProperties.getDuration())
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# check dst audio streams
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dst_audioProperties = dst_inputFile.getProperties().getAudioProperties()
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assert_equals(1, len(dst_audioProperties))
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assert_equals(6, dst_audioProperties[0].getNbChannels())
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@raises(RuntimeError)
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def testMuxAudioChannelsWithSilenceOnly_20():
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"""
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Mux audio channels with generated silence, and generate one audio stereo stream
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"""
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# input
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inputs = av.InputStreamDescVector()
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inputs.append(av.InputStreamDesc("", 0, 0)) # empty filename to generate silence
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inputs.append(av.InputStreamDesc("", 0, 0)) # empty filename to generate silence
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# output
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outputFileName = "testMuxAudioChannelsWithSilenceOnly_20.wav"
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ouputFile = av.OutputFile(outputFileName)
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transcoder = av.Transcoder(ouputFile)
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transcoder.addStream(inputs, "wave24b48kstereo")
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progress = av.ConsoleProgress()
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processStat = transcoder.process( progress )
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