holm/whisper.cpp
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ref #16, #22 : add "offset" argument

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Allows to start processing the input audio at some offset from the
beginning. Useful for splitting a long job into multiple tasks.
This commit is contained in:
Georgi Gerganov
2022-10-07 22:00:40 +03:00
parent e29a5dacc6
commit 7787b878e1
3 changed files with 9 additions and 1 deletions
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5
main.cpp
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@ -28,6 +28,7 @@ std::string to_timestamp(int64_t t) {
struct whisper_params {
int32_t seed = -1; // RNG seed, not used currently
int32_t n_threads = std::min(4, (int32_t) std::thread::hardware_concurrency());
int32_t offset_ms = 0;
bool verbose = false;
bool translate = false;
@ -55,6 +56,8 @@ bool whisper_params_parse(int argc, char ** argv, whisper_params & params) {
params.seed = std::stoi(argv[++i]);
} else if (arg == "-t" || arg == "--threads") {
params.n_threads = std::stoi(argv[++i]);
} else if (arg == "-o" || arg == "--offset") {
params.offset_ms = std::stoi(argv[++i]);
} else if (arg == "-v" || arg == "--verbose") {
params.verbose = true;
} else if (arg == "--translate") {
@ -95,6 +98,7 @@ void whisper_print_usage(int argc, char ** argv, const whisper_params & params)
fprintf(stderr, " -h, --help show this help message and exit\n");
fprintf(stderr, " -s SEED, --seed SEED RNG seed (default: -1)\n");
fprintf(stderr, " -t N, --threads N number of threads to use during computation (default: %d)\n", params.n_threads);
fprintf(stderr, " -o N, --offset N offset in milliseconds (default: %d)\n", params.offset_ms);
fprintf(stderr, " -v, --verbose verbose output\n");
fprintf(stderr, " --translate translate from source language to english\n");
fprintf(stderr, " -ps, --print_special print special tokens\n");
@ -203,6 +207,7 @@ int main(int argc, char ** argv) {
wparams.translate = params.translate;
wparams.language = params.language.c_str();
wparams.n_threads = params.n_threads;
wparams.offset_ms = params.offset_ms;
if (whisper_full(ctx, wparams, pcmf32.data(), pcmf32.size()) != 0) {
fprintf(stderr, "%s: failed to process audio\n", argv[0]);