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Output word timings #1974

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merged 14 commits into from
Mar 30, 2019
Merged

Output word timings #1974

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79830fe
Expose letter timings on the API
Mar 21, 2019
a3b81d0
Output word-level metadata from the client with the -e tag
Mar 21, 2019
6f66771
Client whitespace fixes
Mar 21, 2019
1fcf8a4
Fixed whitespace
Mar 22, 2019
192e17f
Expose letter timings on the API
Mar 21, 2019
a0304ee
Output word-level metadata from the client with the -e tag
Mar 21, 2019
d79989c
Client whitespace tweaks
Mar 22, 2019
c908289
Removed unnecessary variables in API
Mar 22, 2019
c56ec7a
Allocate memory C++-style in API
Mar 22, 2019
2f25530
Client - Added support for detecting UTF-8 spaces
Mar 22, 2019
0364bfa
API - Switched to std::unique_ptr
Mar 22, 2019
26af3b2
API - Minor cleanup
Mar 22, 2019
594f74e
API - Null pointer check
Mar 30, 2019
7cda855
Client - Whitespace fix
Mar 30, 2019
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23 changes: 12 additions & 11 deletions native_client/deepspeech.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -485,22 +485,23 @@ Metadata* ModelState::decode_metadata(vector<float>& logits)
{
vector<Output> out = decode_raw(logits);

Metadata* metadata = (Metadata*)malloc(sizeof (Metadata));
Metadata* metadata = new Metadata;
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metadata->num_items = out[0].tokens.size();
metadata->items = (MetadataItem*)malloc(sizeof(MetadataItem) * metadata->num_items);
metadata->items = new MetadataItem[metadata->num_items];
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// Loop through each character
for (int i = 0; i < out[0].tokens.size(); ++i) {
MetadataItem item;
item.character = (char*)alphabet->StringFromLabel(out[0].tokens[i]).c_str();
item.timestep = out[0].timesteps[i];
item.start_time = static_cast<float>(out[0].timesteps[i] * AUDIO_WIN_STEP);
MetadataItem *item = new MetadataItem;
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item->character = (char*)alphabet->StringFromLabel(out[0].tokens[i]).c_str();
item->timestep = out[0].timesteps[i];
item->start_time = static_cast<float>(out[0].timesteps[i] * AUDIO_WIN_STEP);

if (item.start_time < 0) {
item.start_time = 0;
if (item->start_time < 0) {
item->start_time = 0;
}

metadata->items[i] = item;
metadata->items[i] = *item;
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delete(item);
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}

return metadata;
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Expand Down Expand Up @@ -916,8 +917,8 @@ DS_AudioToInputVector(const short* aBuffer,
void
DS_FreeMetadata(Metadata* m)
{
free(m->items);
free(m);
delete(m->items);
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delete(m);
}

void
Expand Down