Commits · 33e58a763fba7ae0a16f49d2fc297259d2a57529 · Stefan Westerfeld / audiowmark

18 Jan, 2019 3 commits
- Reuse memory for SyncFinder fft output db values. · 33e58a76
  Stefan Westerfeld authored Jan 18, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  33e58a76
- Use float in SyncFinder inner loop for performance reasons. · c2bef3e8
  Stefan Westerfeld authored Jan 18, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  c2bef3e8
- Refactor SyncFinder detection code. · 4f629a36
  Stefan Westerfeld authored Jan 18, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  4f629a36
17 Jan, 2019 3 commits
- Fix warning. · 95631b5f
  Stefan Westerfeld authored Jan 17, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  95631b5f
- Merge two sync detect inner loops into one. · 8ddcac0f
  Stefan Westerfeld authored Jan 17, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  8ddcac0f
- Store sync fft bands into one consecutive block (more cache friendly). · e9476db9
  Stefan Westerfeld authored Jan 17, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  e9476db9
16 Jan, 2019 3 commits

Get rid of block_size for mixing. · fb8bd6e1

Stefan Westerfeld authored Jan 16, 2019

Instead: mix over one single block with the total data size. This results in
better distribution of the payload bits over the watermark.
Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>

fb8bd6e1

Better normalization for the "all" pattern. · ca05ad7f
Stefan Westerfeld authored Jan 16, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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ca05ad7f
Fix SNR Script. · 976654ff
Stefan Westerfeld authored Jan 16, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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976654ff

15 Jan, 2019 4 commits
- Use separate random streams for sync / data / padding. · 89e93c01
  Stefan Westerfeld authored Jan 15, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  89e93c01
- Implement padding so that the whole wave is marked. · 3a08c062
  Stefan Westerfeld authored Jan 15, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  3a08c062
- Merge linear marking code for sync and data. · 8da680ab
  Stefan Westerfeld authored Jan 15, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  8da680ab
- Remove unused code. · 2fe8a43d
  Stefan Westerfeld authored Jan 15, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  2fe8a43d
14 Jan, 2019 4 commits
- Avoid extra copies during generation of the watermark. · 657ee5bd
  Stefan Westerfeld authored Jan 14, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  657ee5bd
- Report convolution code error score. · af8228ad
  Stefan Westerfeld authored Jan 14, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  af8228ad
- Fix compiler warning in Random. · d7894b22
  Stefan Westerfeld authored Jan 14, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  d7894b22
- Implement combined decoding of all watermark soft bits: the "all" pattern. · d710eac5
  Stefan Westerfeld authored Jan 14, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  d710eac5
13 Jan, 2019 8 commits
- Increase test sample size to be able to still test three watermarks. · 063777a7
  Stefan Westerfeld authored Jan 13, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  063777a7
- Add extra script for sync detection test. · 90f4333d
  Stefan Westerfeld authored Jan 13, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  90f4333d
- Increase sync block size for more reliable sync detection. · f102b639
  Stefan Westerfeld authored Jan 13, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  f102b639
- Fix warning. · 90f0d270
  Stefan Westerfeld authored Jan 13, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  90f0d270
- Compute total quality for sync block before deciding. · 2baa3ba1
  Stefan Westerfeld authored Jan 13, 2019
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This is slower, but should allow finding somewhat more damaged sync blocks.
Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  2baa3ba1
- Fix problem (double match) in sync match algorithm. · f210665a
  Stefan Westerfeld authored Jan 13, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  f210665a
- Report number of sync matches (against known locations) during cmp. · 8f45c4a8
  Stefan Westerfeld authored Jan 13, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  8f45c4a8
- Display sync quality in result list. · fc3cc19e
  Stefan Westerfeld authored Jan 13, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  fc3cc19e
12 Jan, 2019 5 commits
- Add error handling if compute_frame_ffts runs out of space. · a018405e
  Stefan Westerfeld authored Jan 12, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  a018405e
- Fix audiowmark cmp: report matching patterns. · 8e0cec5b
  Stefan Westerfeld authored Jan 12, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  8e0cec5b
- test_list: replace one track because it was too short · 4516957b
  Stefan Westerfeld authored Jan 12, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  4516957b
- Improved pattern time output. · 1197fa33
  Stefan Westerfeld authored Jan 12, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  1197fa33
- Bump test set size to 150 seconds. · 411a7fb6
  Stefan Westerfeld authored Jan 12, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  411a7fb6
11 Jan, 2019 6 commits
- Add out-of-bounds check for fft computation. · 548b76d4
  Stefan Westerfeld authored Jan 11, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  548b76d4
- Cleanup extra copy during decoding. · 9d1a3296
  Stefan Westerfeld authored Jan 11, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  9d1a3296
- Avoid extra copy in sync finder for performance reasons. · d600eb40
  Stefan Westerfeld authored Jan 11, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  d600eb40
- Fix decode_and_report API, disable delta decoding. · 201f5600
  Stefan Westerfeld authored Jan 11, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  201f5600
- Embed/retrieve multiple watermarks. · cf4707b6
  Stefan Westerfeld authored Jan 11, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  cf4707b6
- Adjust search step to 256, to improve sync search performance. · f80d1e62
  Stefan Westerfeld authored Jan 11, 2019
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Typically this doesn't affect correctness of sync search.
Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  f80d1e62
10 Jan, 2019 4 commits
- Avoid extra copy in sync_fft. · d89c0528
  Stefan Westerfeld authored Jan 10, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  d89c0528
- Make computing frame ffts a bit faster. · 58911f72
  Stefan Westerfeld authored Jan 10, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  58911f72
- Use low level fft api directly to optimize performance. · 12565122
  Stefan Westerfeld authored Jan 10, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  12565122
- Optimize get_frame somewhat. · 3aea6c36
  Stefan Westerfeld authored Jan 10, 2019
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  3aea6c36