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#include "stdafx.h"
#if BUILD_BOTH_VERSIONS
#include "../API/iContext.cl.h"
#include "convertThings.h"
using namespace Whisper;
sFullParams makeNewParams( const whisper_full_params& wfp )
{
assert( nullptr == wfp.encoder_begin_callback );
assert( nullptr == wfp.new_segment_callback );
sFullParams res;
memset( &res, 0, sizeof( res ) );
res.strategy = (eSamplingStrategy)wfp.strategy;
res.cpuThreads = wfp.n_threads;
res.n_max_text_ctx = wfp.n_max_text_ctx;
res.offset_ms = wfp.offset_ms;
res.duration_ms = wfp.duration_ms;
// flags
uint32_t flags = 0;
if( wfp.translate ) flags |= (uint32_t)eFullParamsFlags::Translate;
if( wfp.no_context ) flags |= (uint32_t)eFullParamsFlags::NoContext;
if( wfp.single_segment ) flags |= (uint32_t)eFullParamsFlags::SingleSegment;
if( wfp.print_special ) flags |= (uint32_t)eFullParamsFlags::PrintSpecial;
if( wfp.print_progress ) flags |= (uint32_t)eFullParamsFlags::PrintProgress;
if( wfp.print_realtime ) flags |= (uint32_t)eFullParamsFlags::PrintRealtime;
if( wfp.print_timestamps ) flags |= (uint32_t)eFullParamsFlags::PrintTimestamps;
if( wfp.token_timestamps ) flags |= (uint32_t)eFullParamsFlags::TokenTimestamps;
if( wfp.speed_up ) flags |= (uint32_t)eFullParamsFlags::SpeedupAudio;
res.flags = (eFullParamsFlags)flags;
res.language = findLanguageKeyA( wfp.language );
res.thold_pt = wfp.thold_pt;
res.thold_ptsum = wfp.thold_ptsum;
res.max_len = wfp.max_len;
res.greedy.n_past = wfp.greedy.n_past;
res.beam_search.n_past = wfp.beam_search.n_past;
res.beam_search.beam_width = wfp.beam_search.beam_width;
res.beam_search.n_best = wfp.beam_search.n_best;
res.audio_ctx = wfp.audio_ctx;
res.prompt_tokens = wfp.prompt_tokens;
res.prompt_n_tokens = wfp.prompt_n_tokens;
return res;
}
namespace
{
class NewParamsTemp
{
char language[ 5 ];
iContext* newContext;
pfnNewSegment newSegment;
pfnEncoderBegin encoderBegin;
static bool encBegin( struct whisper_context* ctx, void* user_data );
static void newSeg( struct whisper_context* ctx, int n_new, void* user_data );
public:
void initialize( whisper_full_params& res, const Whisper::sFullParams& rsi, Whisper::iContext* context )
{
*(uint32_t*)( &language[ 0 ] ) = rsi.language;
language[ 4 ] = '\0';
res.language = language;
newContext = context;
if( nullptr != rsi.encoder_begin_callback )
{
encoderBegin = rsi.encoder_begin_callback;
res.encoder_begin_callback = &encBegin;
res.encoder_begin_callback_user_data = rsi.encoder_begin_callback_user_data;
}
else
{
encoderBegin = nullptr;
res.encoder_begin_callback = nullptr;
res.encoder_begin_callback_user_data = nullptr;
}
if( nullptr != rsi.new_segment_callback )
{
newSegment = rsi.new_segment_callback;
res.new_segment_callback = &newSeg;
res.new_segment_callback_user_data = rsi.new_segment_callback_user_data;
}
else
{
newSegment = nullptr;
res.new_segment_callback = nullptr;
res.new_segment_callback_user_data = nullptr;
}
}
};
static thread_local NewParamsTemp npTemp;
bool NewParamsTemp::encBegin( struct whisper_context* ctx, void* user_data )
{
const NewParamsTemp& tmp = npTemp;
HRESULT hr = tmp.encoderBegin( tmp.newContext, user_data );
if( SUCCEEDED( hr ) )
return S_OK == hr;
throw hr;
}
void NewParamsTemp::newSeg( struct whisper_context* ctx, int n_new, void* user_data )
{
assert( n_new >= 0 );
const NewParamsTemp& tmp = npTemp;
HRESULT hr = tmp.newSegment( tmp.newContext, (uint32_t)n_new, user_data );
if( SUCCEEDED( hr ) )
return;
throw hr;
}
}
whisper_full_params makeOldParams( const Whisper::sFullParams& rsi, Whisper::iContext* context )
{
whisper_full_params res;
memset( &res, 0, sizeof( res ) );
res.strategy = (whisper_sampling_strategy)rsi.strategy;
res.n_threads = rsi.cpuThreads;
res.n_max_text_ctx = rsi.n_max_text_ctx;
res.offset_ms = rsi.offset_ms;
res.duration_ms = rsi.duration_ms;
// flags
const uint32_t flags = (uint32_t)rsi.flags;
auto hasFlag = [ = ]( eFullParamsFlags bit ) { return 0 != ( flags & (uint32_t)bit ); };
res.translate = hasFlag( eFullParamsFlags::Translate );
res.no_context = hasFlag( eFullParamsFlags::NoContext );
res.single_segment = hasFlag( eFullParamsFlags::SingleSegment );
res.print_special = hasFlag( eFullParamsFlags::PrintSpecial );
res.print_progress = hasFlag( eFullParamsFlags::PrintProgress );
res.print_realtime = hasFlag( eFullParamsFlags::PrintRealtime );
res.print_timestamps = hasFlag( eFullParamsFlags::PrintTimestamps );
res.token_timestamps = hasFlag( eFullParamsFlags::TokenTimestamps );
res.speed_up = hasFlag( eFullParamsFlags::SpeedupAudio );
res.thold_pt = rsi.thold_pt;
res.thold_ptsum = rsi.thold_ptsum;
res.max_len = rsi.max_len;
res.greedy.n_past = rsi.greedy.n_past;
res.beam_search.n_past = rsi.beam_search.n_past;
res.beam_search.beam_width = rsi.beam_search.beam_width;
res.beam_search.n_best = rsi.beam_search.n_best;
res.audio_ctx = rsi.audio_ctx;
res.prompt_tokens = rsi.prompt_tokens;
res.prompt_n_tokens = rsi.prompt_n_tokens;
NewParamsTemp& tmp = npTemp;
tmp.initialize( res, rsi, context );
return res;
}
#include "../Whisper/TranscribeResult.h"
#include <mfapi.h>
namespace
{
inline sTimeSpan time( int64_t wt )
{
int64_t ticks = MFllMulDiv( wt, 10'000'000, 100, 0 );
return sTimeSpan{ (uint64_t)ticks };
}
void makeNewResults( whisper_context* ctx, Whisper::eResultFlags flags, TranscribeResult& res )
{
const bool makeTokens = 0 != ( flags & eResultFlags::Tokens );
res.segments.clear();
res.tokens.clear();
const int countSegments = whisper_full_n_segments( ctx );
res.segments.resize( countSegments );
const int tokenEot = whisper_token_eot( ctx );
for( int i = 0; i < countSegments; i++ )
{
sSegment& seg = res.segments[ i ];
seg.text = whisper_full_get_segment_text( ctx, i );
seg.time.begin = time( whisper_full_get_segment_t0( ctx, i ) );
seg.time.end = time( whisper_full_get_segment_t1( ctx, i ) );
seg.firstToken = (uint32_t)res.tokens.size();
seg.countTokens = 0;
if( !makeTokens )
continue;
const int countTokens = whisper_full_n_tokens( ctx, i );
seg.countTokens = countTokens;
res.tokens.resize( res.tokens.size() + countTokens );
for( int t = 0; t < countTokens; t++ )
{
sToken& tok = res.tokens[ seg.firstToken + t ];
tok.text = whisper_full_get_token_text( ctx, i, t );
const whisper_token_data src = whisper_full_get_token_data( ctx, i, t );
tok.time.begin = time( src.t0 );
tok.time.end = time( src.t1 );
tok.probability = src.p;
tok.probabilityTimestamp = src.pt;
tok.ptsum = src.ptsum;
tok.vlen = src.vlen;
tok.id = src.id;
uint32_t flags = 0;
if( src.id >= tokenEot )
flags |= eTokenFlags::Special;
tok.flags = (eTokenFlags)flags;
}
}
}
}
HRESULT makeNewResults( whisper_context* ctx, Whisper::eResultFlags flags, Whisper::iTranscribeResult** pp )
{
static TranscribeResultStatic trs;
if( flags & eResultFlags::NewObject )
{
return E_NOTIMPL;
}
else
{
makeNewResults( ctx, flags, trs );
*pp = &trs;
( *pp )->AddRef();
return S_OK;
}
}
#endif
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