ExternalVendorCode/whisper.cpp
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main : refactor subtitle output

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This commit is contained in:
Georgi Gerganov 2022-10-22 20:42:11 +03:00
parent 31ff0c6a1f
commit 8f95c25aed
1 changed files with 63 additions and 50 deletions
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113
main.cpp
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@ -141,6 +141,66 @@ void whisper_print_usage(int argc, char ** argv, const whisper_params & params)
fprintf(stderr, "\n");
}
bool output_txt(struct whisper_context * ctx, const char * fname) {
std::ofstream fout(fname);
if (!fout.is_open()) {
fprintf(stderr, "%s: failed to open '%s' for writing\n", __func__, fname);
return false;
}
fprintf(stderr, "%s: saving output to '%s'\n", __func__, fname);
const int n_segments = whisper_full_n_segments(ctx);
for (int i = 0; i < n_segments; ++i) {
const char * text = whisper_full_get_segment_text(ctx, i);
fout << text;
}
return true;
}
bool output_vtt(struct whisper_context * ctx, const char * fname) {
std::ofstream fout(fname);
if (!fout.is_open()) {
fprintf(stderr, "%s: failed to open '%s' for writing\n", __func__, fname);
return 9;
}
fprintf(stderr, "%s: saving output to '%s'\n", __func__, fname);
fout << "WEBVTT\n\n";
const int n_segments = whisper_full_n_segments(ctx);
for (int i = 0; i < n_segments; ++i) {
const char * text = whisper_full_get_segment_text(ctx, i);
const int64_t t0 = whisper_full_get_segment_t0(ctx, i);
const int64_t t1 = whisper_full_get_segment_t1(ctx, i);
fout << to_timestamp(t0) << " --> " << to_timestamp(t1) << "\n";
fout << text << "\n\n";
}
return true;
}
bool output_srt(struct whisper_context * ctx, const char * fname) {
std::ofstream fout(fname);
if (!fout.is_open()) {
fprintf(stderr, "%s: failed to open '%s' for writing\n", __func__, fname);
return false;
}
fprintf(stderr, "%s: saving output to '%s'\n", __func__, fname);
const int n_segments = whisper_full_n_segments(ctx);
for (int i = 0; i < n_segments; ++i) {
const char * text = whisper_full_get_segment_text(ctx, i);
fout << text;
}
return true;
}
int main(int argc, char ** argv) {
whisper_params params;
@ -291,66 +351,19 @@ int main(int argc, char ** argv) {
// output to text file
if (params.output_txt) {
const auto fname_txt = fname_inp + ".txt";
std::ofstream fout_txt(fname_txt);
if (!fout_txt.is_open()) {
fprintf(stderr, "%s: failed to open '%s' for writing\n", __func__, fname_txt.c_str());
return 8;
}
fprintf(stderr, "%s: saving output to '%s.txt'\n", __func__, fname_inp.c_str());
const int n_segments = whisper_full_n_segments(ctx);
for (int i = 0; i < n_segments; ++i) {
const char * text = whisper_full_get_segment_text(ctx, i);
fout_txt << text;
}
output_txt(ctx, fname_txt.c_str());
}
// output to VTT file
if (params.output_vtt) {
const auto fname_vtt = fname_inp + ".vtt";
std::ofstream fout_vtt(fname_vtt);
if (!fout_vtt.is_open()) {
fprintf(stderr, "%s: failed to open '%s' for writing\n", __func__, fname_vtt.c_str());
return 9;
}
fprintf(stderr, "%s: saving output to '%s.vtt'\n", __func__, fname_inp.c_str());
fout_vtt << "WEBVTT\n\n";
const int n_segments = whisper_full_n_segments(ctx);
for (int i = 0; i < n_segments; ++i) {
const char * text = whisper_full_get_segment_text(ctx, i);
const int64_t t0 = whisper_full_get_segment_t0(ctx, i);
const int64_t t1 = whisper_full_get_segment_t1(ctx, i);
fout_vtt << to_timestamp(t0) << " --> " << to_timestamp(t1) << "\n";
fout_vtt << text << "\n\n";
}
output_vtt(ctx, fname_vtt.c_str());
}
// output to SRT file
if (params.output_srt) {
const auto fname_srt = fname_inp + ".srt";
std::ofstream fout_srt(fname_srt);
if (!fout_srt.is_open()) {
fprintf(stderr, "%s: failed to open '%s' for writing\n", __func__, fname_srt.c_str());
return 10;
}
fprintf(stderr, "%s: saving output to '%s.srt'\n", __func__, fname_inp.c_str());
const int n_segments = whisper_full_n_segments(ctx);
for (int i = 0; i < n_segments; ++i) {
const char * text = whisper_full_get_segment_text(ctx, i);
const int64_t t0 = whisper_full_get_segment_t0(ctx, i);
const int64_t t1 = whisper_full_get_segment_t1(ctx, i);
fout_srt << i + 1 + params.offset_n << "\n";
fout_srt << to_timestamp(t0) << " --> " << to_timestamp(t1) << "\n";
fout_srt << text << "\n\n";
}
output_srt(ctx, fname_srt.c_str());
}
}
}