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1 | 1 | importos |
2 | 2 |
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3 | 3 | # Check if environment is setup to run the tests |
4 | | -ifos.environ.get('AVTRANSCODER_TEST_AUDIO_WAVE_FILE')isNone: |
| 4 | +ifos.environ.get('AVTRANSCODER_TEST_AUDIO_WAVE_FILE')isNoneor \ |
| 5 | +os.environ.get('AVTRANSCODER_TEST_AUDIO_WAVE_MONO_FILE')isNone: |
5 | 6 | fromnose.plugins.skipimportSkipTest |
6 | | -raiseSkipTest("Need to define environment variable AVTRANSCODER_TEST_AUDIO_WAVE_FILE") |
| 7 | +raiseSkipTest("Need to define environment variables " |
| 8 | +"AVTRANSCODER_TEST_AUDIO_WAVE_FILE and" |
| 9 | +"AVTRANSCODER_TEST_AUDIO_WAVE_MONO_FILE") |
7 | 10 |
|
8 | 11 | fromnose.toolsimport* |
9 | 12 |
|
10 | 13 | frompyAvTranscoderimportavtranscoderasav |
11 | 14 |
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12 | 15 |
|
| 16 | +deftestTranscodeExtractOneChannelFromMono(): |
| 17 | +""" |
| 18 | + Extract one audio channel from a stream of one channel. |
| 19 | + """ |
| 20 | +inputFileName=os.environ['AVTRANSCODER_TEST_AUDIO_WAVE_MONO_FILE'] |
| 21 | +outputFileName="testTranscodeExtractOneChannelFromMono.wav" |
| 22 | + |
| 23 | +ouputFile=av.OutputFile(outputFileName) |
| 24 | +transcoder=av.Transcoder(ouputFile) |
| 25 | + |
| 26 | +inputFile=av.InputFile(inputFileName) |
| 27 | +src_audioStream=inputFile.getProperties().getAudioProperties()[0] |
| 28 | +audioStreamIndex=src_audioStream.getStreamIndex() |
| 29 | +transcoder.addStream(av.InputStreamDesc(inputFileName,audioStreamIndex,0)) |
| 30 | + |
| 31 | +processStat=transcoder.process() |
| 32 | + |
| 33 | +# check process stat returned |
| 34 | +audioStat=processStat.getAudioStat(0) |
| 35 | +assert_equals(src_audioStream.getDuration(),audioStat.getDuration()) |
| 36 | + |
| 37 | +# get dst file of transcode |
| 38 | +dst_inputFile=av.InputFile(outputFileName) |
| 39 | +dst_properties=dst_inputFile.getProperties() |
| 40 | +dst_audioStream=dst_properties.getAudioProperties()[0] |
| 41 | + |
| 42 | +assert_equals(dst_audioStream.getCodecName(),src_audioStream.getCodecName()) |
| 43 | +assert_equals(dst_audioStream.getSampleFormatName(),src_audioStream.getSampleFormatName()) |
| 44 | +assert_equals(dst_audioStream.getSampleFormatLongName(),src_audioStream.getSampleFormatLongName()) |
| 45 | +assert_equals(dst_audioStream.getSampleRate(),src_audioStream.getSampleRate()) |
| 46 | +assert_equals(dst_audioStream.getNbChannels(),1) |
| 47 | + |
| 48 | + |
13 | 49 | deftestTranscodeWave24b48k5_1(): |
14 | 50 | """ |
15 | 51 | Transcode one audio stream (profile wave24b48k5_1). |
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