annotate tests/test-jams-writer/expected/instants.json @ 269:39fb206b1153 piper-nopiper

Filter out Xing/LAME info frames, rather than letting them go to the mp3 decoder as if they were audio frames. Fixes the 1152-sample zero pad at start of some decoded mp3 files (distinct from decoder delay). The logic here is based on the madplay code.

{
"file_metadata": {
  "jams_version": "0.2.0",
  "identifiers": { "filename": "20sec-silence.wav" },
  "duration": 20.003265306
},
"annotations": [
{
  "namespace": "unknown",
  "annotation_metadata": {
    "annotation_tools": "Sonic Annotator v1.3",
    "data_source": "Automatic feature extraction",
    "annotator": {
      "plugin_id": "vamp:vamp-test-plugin:vamp-test-plugin",
      "output_id": "instants",
      "plugin_version": "4",
      "step_size": 1024,
      "block_size": 1024,
      "sample_rate": 44100,
      "parameters": {
        "produce_output": 1
      },
      "transform_id": "vamp:vamp-test-plugin:vamp-test-plugin:instants"
    }
  },
  "data": [
    { "time": 0.000000000, "duration": 0.0, "confidence": 1.0, "value": "1 of 10 at 0" },
    { "time": 1.500000000, "duration": 0.0, "confidence": 1.0, "value": "2 of 10 at 1.5" },
    { "time": 3.000000000, "duration": 0.0, "confidence": 1.0, "value": "3 of 10 at 3" },
    { "time": 4.500000000, "duration": 0.0, "confidence": 1.0, "value": "4 of 10 at 4.5" },
    { "time": 6.000000000, "duration": 0.0, "confidence": 1.0, "value": "5 of 10 at 6" },
    { "time": 7.500000000, "duration": 0.0, "confidence": 1.0, "value": "6 of 10 at 7.5" },
    { "time": 9.000000000, "duration": 0.0, "confidence": 1.0, "value": "7 of 10 at 9" },
    { "time": 10.500000000, "duration": 0.0, "confidence": 1.0, "value": "8 of 10 at 10.5" },
    { "time": 12.000000000, "duration": 0.0, "confidence": 1.0, "value": "9 of 10 at 12" },
    { "time": 13.500000000, "duration": 0.0, "confidence": 1.0, "value": "10 of 10 at 13.5" }
  ]
}
]
}