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sbc test sine stereo

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This commit is contained in:
Milanka Ringwald 2016-10-12 12:24:51 +02:00
parent 4ca5bd816c
commit 164f5121b2
4 changed files with 9 additions and 10 deletions
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test/sbc/data/sine-stereo.sbc Normal file
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test/sbc/data/sine-stereo.wav
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3
test/sbc/sbc.py
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@ -221,7 +221,7 @@ class SBCFrame:
levels = np.zeros(shape=(2, 8), dtype = np.int32)
def __init__(self, nr_blocks=16, nr_subbands=4, nr_channels=1, bitpool=31, sampling_frequency=44100, allocation_method = 0):
def __init__(self, nr_blocks=16, nr_subbands=4, nr_channels=1, bitpool=31, sampling_frequency=44100, allocation_method = 0, force_channel_mode = 0):
self.nr_blocks = nr_blocks
self.nr_subbands = nr_subbands
self.nr_channels = nr_channels
@ -229,6 +229,7 @@ class SBCFrame:
self.bitpool = bitpool
self.allocation_method = allocation_method
self.init(nr_blocks, nr_subbands, nr_channels)
self.channel_mode = force_channel_mode
return
def init(self, nr_blocks, nr_subbands, nr_channels):

16
test/sbc/sbc_encoder.py
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@ -140,7 +140,6 @@ if __name__ == "__main__":
nr_blocks = 0
nr_subbands = 0
print len(sys.argv)
if (len(sys.argv) < 7):
print(usage)
sys.exit(1)
@ -151,6 +150,7 @@ if __name__ == "__main__":
sys.exit(1)
msbc_enabled = int(sys.argv[7])
print("msbc_enabled %d"%msbc_enabled)
if msbc_enabled:
sbcfile = infile.replace('.wav', '-encoded.msbc')
else:
@ -161,12 +161,9 @@ if __name__ == "__main__":
bitpool = int(sys.argv[4])
allocation_method = int(sys.argv[5])
force_channel_mode = 0
if len(sys.argv) == 6:
force_channel_mode = int(sys.argv[6])
if force_channel_mode != 2 or force_channel_mode != 3:
print(usage)
sys.exit(1)
force_channel_mode = int(sys.argv[6])
print("force_channel_mode %d"%force_channel_mode)
fin = wave.open(infile, 'rb')
nr_channels = fin.getnchannels()
@ -188,9 +185,10 @@ if __name__ == "__main__":
fout = open(sbcfile, 'wb')
while audio_frame_count < nr_audio_frames:
if subband_frame_count % 200 == 0:
print("== Frame %d ==" % (subband_frame_count))
print("== Frame %d == " % (subband_frame_count))
sbc_encoder_frame = SBCFrame(nr_blocks, nr_subbands, nr_channels, bitpool, sampling_frequency, allocation_method)
sbc_encoder_frame = SBCFrame(nr_blocks, nr_subbands, nr_channels, bitpool, sampling_frequency, allocation_method, force_channel_mode)
if subband_frame_count == 0:
print sbc_encoder_frame
fetch_samples_for_next_sbc_frame(fin, sbc_encoder_frame)