token: Add interfaces for getting start and end time of specified tok…

[feengg]

token: Add interfaces for getting start and end time of specified token similar like segment

[ggerganov]

This is already available through the whisper_full_get_token_data API

[feengg]

This is already available through the whisper_full_get_token_data API

After enabling VAD, it looks whisper_full_get_token_data only returned the processed timestamp not the original.

whisper_vad: total duration of speech segments: 8.21 seconds
whisper_vad: vad_segment_info: orig_start: 0.45, orig_end: 2.30, vad_start: 0.00, vad_end: 1.95
whisper_vad: vad_segment_info: orig_start: 3.39, orig_end: 4.48, vad_start: 2.05, vad_end: 3.24
whisper_vad: vad_segment_info: orig_start: 5.54, orig_end: 7.71, vad_start: 3.34, vad_end: 5.61
whisper_vad: vad_segment_info: orig_start: 8.32, orig_end: 11.14, vad_start: 5.71, vad_end: 8.51
whisper_vad: Created time mapping table with 43 points
whisper_vad: Reduced audio from 177984 to 136224 samples (23.5% reduction)

Token Timestamp
Begin           End             Token-id   Token
00:00:00.000    00:00:00.000    50364      [_BEG_]
00:00:00.000    00:00:00.180    400         And
00:00:00.340    00:00:00.420    370         so
00:00:00.420    00:00:00.580    11         ,
00:00:00.580    00:00:00.750    452         my
00:00:00.750    00:00:01.250    7177        fellow
00:00:01.250    00:00:01.760    6280        Americans
00:00:02.050    00:00:02.410    1029        ask
00:00:02.780    00:00:03.040    406         not
00:00:03.330    00:00:03.440    437         what
00:00:03.440    00:00:03.740    428         your
00:00:03.870    00:00:04.320    1941        country
00:00:04.410    00:00:04.620    393         can
00:00:04.620    00:00:04.800    360         do
00:00:04.920    00:00:05.200    337         for
00:00:05.200    00:00:05.400    291         you
00:00:05.700    00:00:05.770    11         ,
00:00:05.770    00:00:05.960    1029        ask
00:00:06.130    00:00:06.240    437         what
00:00:06.400    00:00:06.640    291         you
00:00:06.640    00:00:06.880    393         can
00:00:06.940    00:00:07.000    360         do
00:00:07.000    00:00:07.280    337         for
00:00:07.280    00:00:07.490    428         your
00:00:07.530    00:00:07.860    1941        country
00:00:07.980    00:00:08.000    13         .
00:00:08.000    00:00:08.000    50764      [_TT_400]
[00:00:00.450 --> 00:00:10.620]   And so, my fellow Americans ask not what your country can do for you, ask what you can do for your country.