Merge pull request #142 from arizhih/update-whisper-cpp

Update whisper.cpp version to 1.6.2

Cargo.toml

@@ -4,7 +4,7 @@ exclude = ["examples/full_usage"]
 
 [package]
 name = "whisper-rs"
-version = "0.11.0"
+version = "0.12.0"
 edition = "2021"
 description = "Rust bindings for whisper.cpp"
 license = "Unlicense"
@@ -14,7 +14,7 @@ repository = "https://github.com/tazz4843/whisper-rs"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-whisper-rs-sys = { path = "sys", version = "0.8" }
+whisper-rs-sys = { path = "sys", version = "0.10.0" }
 log = { version = "0.4", optional = true }
 tracing = { version = "0.1", optional = true }
 

examples/audio_transcription.rs

@@ -9,9 +9,37 @@ use whisper_rs::{FullParams, SamplingStrategy, WhisperContext, WhisperContextPar
 /// Loads a context and model, processes an audio file, and prints the resulting transcript to stdout.
 fn main() -> Result<(), &'static str> {
     // Load a context and model.
+    let mut context_param = WhisperContextParameters::default();
+
+    // Enable DTW token level timestamp for known model by using model preset
+    context_param.dtw_parameters.mode = whisper_rs::DtwMode::ModelPreset {
+        model_preset: whisper_rs::DtwModelPreset::BaseEn,
+    };
+
+    // Enable DTW token level timestamp for unknown model by providing custom aheads
+    // see details https://github.com/ggerganov/whisper.cpp/pull/1485#discussion_r1519681143
+    // values corresponds to ggml-base.en.bin, result will be the same as with DtwModelPreset::BaseEn
+    let custom_aheads = [
+        (3, 1),
+        (4, 2),
+        (4, 3),
+        (4, 7),
+        (5, 1),
+        (5, 2),
+        (5, 4),
+        (5, 6),
+    ]
+    .map(|(n_text_layer, n_head)| whisper_rs::DtwAhead {
+        n_text_layer,
+        n_head,
+    });
+    context_param.dtw_parameters.mode = whisper_rs::DtwMode::Custom {
+        aheads: &custom_aheads,
+    };
+
     let ctx = WhisperContext::new_with_params(
         "example/path/to/model/whisper.cpp/models/ggml-base.en.bin",
-        WhisperContextParameters::default(),
+        context_param,
     )
     .expect("failed to load model");
     // Create a state
@@ -33,6 +61,8 @@ fn main() -> Result<(), &'static str> {
     params.set_print_progress(false);
     params.set_print_realtime(false);
     params.set_print_timestamps(false);
+    // Enable token level timestamps
+    params.set_token_timestamps(true);
 
     // Open the audio file.
     let reader = hound::WavReader::open("audio.wav").expect("failed to open file");
@@ -87,8 +117,24 @@ fn main() -> Result<(), &'static str> {
             .full_get_segment_t1(i)
             .expect("failed to get end timestamp");
 
+        let first_token_dtw_ts = if let Ok(token_count) = state.full_n_tokens(i) {
+            if token_count > 0 {
+                if let Ok(token_data) = state.full_get_token_data(i, 0) {
+                    token_data.t_dtw
+                } else {
+                    -1i64
+                }
+            } else {
+                -1i64
+            }
+        } else {
+            -1i64
+        };
         // Print the segment to stdout.
-        println!("[{} - {}]: {}", start_timestamp, end_timestamp, segment);
+        println!(
+            "[{} - {} ({})]: {}",
+            start_timestamp, end_timestamp, first_token_dtw_ts, segment
+        );
 
         // Format the segment information as a string.
         let line = format!("[{} - {}]: {}\n", start_timestamp, end_timestamp, segment);

src/lib.rs

@@ -22,6 +22,9 @@ pub use standalone::*;
 #[cfg(any(feature = "whisper-cpp-log", feature = "whisper-cpp-tracing"))]
 use std::sync::Once;
 pub use utilities::*;
+pub use whisper_ctx::DtwMode;
+pub use whisper_ctx::DtwModelPreset;
+pub use whisper_ctx::DtwParameters;
 pub use whisper_ctx::WhisperContextParameters;
 use whisper_ctx::WhisperInnerContext;
 pub use whisper_ctx_wrapper::WhisperContext;
@@ -44,5 +47,6 @@ pub type WhisperNewSegmentCallback = whisper_rs_sys::whisper_new_segment_callbac
 pub type WhisperStartEncoderCallback = whisper_rs_sys::whisper_encoder_begin_callback;
 pub type WhisperProgressCallback = whisper_rs_sys::whisper_progress_callback;
 pub type WhisperLogitsFilterCallback = whisper_rs_sys::whisper_logits_filter_callback;
-pub type WhisperAbortCallback = whisper_rs_sys::whisper_abort_callback;
+pub type WhisperAbortCallback = whisper_rs_sys::ggml_abort_callback;
 pub type WhisperLogCallback = whisper_rs_sys::ggml_log_callback;
+pub type DtwAhead = whisper_rs_sys::whisper_ahead;

src/standalone.rs

@@ -105,7 +105,7 @@ pub struct SystemInfo {
     pub f16c: bool,
     pub blas: bool,
     pub clblast: bool,
-    pub cublas: bool,
+    pub cuda: bool,
 }
 
 impl Default for SystemInfo {
@@ -118,7 +118,7 @@ impl Default for SystemInfo {
                 f16c: whisper_rs_sys::ggml_cpu_has_f16c() != 0,
                 blas: whisper_rs_sys::ggml_cpu_has_blas() != 0,
                 clblast: whisper_rs_sys::ggml_cpu_has_clblast() != 0,
-                cublas: whisper_rs_sys::ggml_cpu_has_cublas() != 0,
+                cuda: whisper_rs_sys::ggml_cpu_has_cuda() != 0,
             }
         }
     }

src/whisper_ctx.rs

@@ -469,23 +469,34 @@ impl Drop for WhisperInnerContext {
 unsafe impl Send for WhisperInnerContext {}
 unsafe impl Sync for WhisperInnerContext {}
 
-pub struct WhisperContextParameters {
+pub struct WhisperContextParameters<'a> {
     /// Use GPU if available.
     ///
     /// **Warning**: Does not have an effect if OpenCL is selected as GPU backend
     /// (in that case, GPU is always enabled).
     pub use_gpu: bool,
+    /// Enable flash attention, default false
+    ///
+    /// **Warning** Can't be used with DTW. DTW will be disabled if flash_attn is true
+    pub flash_attn: bool,
+    /// GPU device id, default 0
+    pub gpu_device: c_int,
+    /// DTW token level timestamp parameters
+    pub dtw_parameters: DtwParameters<'a>,
 }
 
 #[allow(clippy::derivable_impls)] // this impl cannot be derived
-impl Default for WhisperContextParameters {
+impl<'a> Default for WhisperContextParameters<'a> {
     fn default() -> Self {
         Self {
             use_gpu: cfg!(feature = "_gpu"),
+            flash_attn: false,
+            gpu_device: 0,
+            dtw_parameters: DtwParameters::default(),
         }
     }
 }
-impl WhisperContextParameters {
+impl<'a> WhisperContextParameters<'a> {
     pub fn new() -> Self {
         Self::default()
     }
@@ -493,13 +504,156 @@ impl WhisperContextParameters {
         self.use_gpu = use_gpu;
         self
     }
+    pub fn flash_attn(&mut self, flash_attn: bool) -> &mut Self {
+        self.flash_attn = flash_attn;
+        self
+    }
+    pub fn gpu_device(&mut self, gpu_device: c_int) -> &mut Self {
+        self.gpu_device = gpu_device;
+        self
+    }
+    pub fn dtw_parameters(&mut self, dtw_parameters: DtwParameters<'a>) -> &mut Self {
+        self.dtw_parameters = dtw_parameters;
+        self
+    }
+
     fn to_c_struct(&self) -> whisper_rs_sys::whisper_context_params {
+        let dtw_token_timestamps = !matches!(self.dtw_parameters.mode, DtwMode::None);
+        let mut dtw_aheads_preset =
+            whisper_rs_sys::whisper_alignment_heads_preset_WHISPER_AHEADS_NONE;
+        let mut dtw_n_top: c_int = -1;
+        let mut dtw_aheads = whisper_rs_sys::whisper_aheads {
+            n_heads: 0,
+            heads: std::ptr::null(),
+        };
+
+        match &self.dtw_parameters.mode {
+            DtwMode::None => {}
+            DtwMode::TopMost { n_top } => {
+                dtw_aheads_preset =
+                    whisper_rs_sys::whisper_alignment_heads_preset_WHISPER_AHEADS_N_TOP_MOST;
+                dtw_n_top = *n_top;
+            }
+            DtwMode::Custom { aheads } => {
+                dtw_aheads_preset =
+                    whisper_rs_sys::whisper_alignment_heads_preset_WHISPER_AHEADS_CUSTOM;
+
+                dtw_aheads = whisper_rs_sys::whisper_aheads {
+                    n_heads: aheads.len(),
+                    heads: aheads.as_ptr(),
+                };
+            }
+            DtwMode::ModelPreset { model_preset } => match model_preset {
+                DtwModelPreset::TinyEn => {
+                    dtw_aheads_preset =
+                        whisper_rs_sys::whisper_alignment_heads_preset_WHISPER_AHEADS_TINY_EN;
+                }
+                DtwModelPreset::Tiny => {
+                    dtw_aheads_preset =
+                        whisper_rs_sys::whisper_alignment_heads_preset_WHISPER_AHEADS_TINY;
+                }
+                DtwModelPreset::BaseEn => {
+                    dtw_aheads_preset =
+                        whisper_rs_sys::whisper_alignment_heads_preset_WHISPER_AHEADS_BASE_EN;
+                }
+                DtwModelPreset::Base => {
+                    dtw_aheads_preset =
+                        whisper_rs_sys::whisper_alignment_heads_preset_WHISPER_AHEADS_BASE;
+                }
+                DtwModelPreset::SmallEn => {
+                    dtw_aheads_preset =
+                        whisper_rs_sys::whisper_alignment_heads_preset_WHISPER_AHEADS_SMALL_EN;
+                }
+                DtwModelPreset::Small => {
+                    dtw_aheads_preset =
+                        whisper_rs_sys::whisper_alignment_heads_preset_WHISPER_AHEADS_SMALL;
+                }
+                DtwModelPreset::MediumEn => {
+                    dtw_aheads_preset =
+                        whisper_rs_sys::whisper_alignment_heads_preset_WHISPER_AHEADS_MEDIUM_EN;
+                }
+                DtwModelPreset::Medium => {
+                    dtw_aheads_preset =
+                        whisper_rs_sys::whisper_alignment_heads_preset_WHISPER_AHEADS_MEDIUM;
+                }
+                DtwModelPreset::LargeV1 => {
+                    dtw_aheads_preset =
+                        whisper_rs_sys::whisper_alignment_heads_preset_WHISPER_AHEADS_LARGE_V1;
+                }
+                DtwModelPreset::LargeV2 => {
+                    dtw_aheads_preset =
+                        whisper_rs_sys::whisper_alignment_heads_preset_WHISPER_AHEADS_LARGE_V2;
+                }
+                DtwModelPreset::LargeV3 => {
+                    dtw_aheads_preset =
+                        whisper_rs_sys::whisper_alignment_heads_preset_WHISPER_AHEADS_LARGE_V3;
+                }
+            },
+        }
+
         whisper_rs_sys::whisper_context_params {
             use_gpu: self.use_gpu,
+            flash_attn: self.flash_attn,
+            gpu_device: self.gpu_device,
+            dtw_token_timestamps,
+            dtw_aheads_preset,
+            dtw_n_top,
+            dtw_aheads,
+            dtw_mem_size: self.dtw_parameters.dtw_mem_size,
         }
     }
 }
 
+/// [EXPERIMENTAL] Enable Token-level timestamps with DTW, default Disabled
+#[derive(Debug, Clone)]
+pub struct DtwParameters<'a> {
+    pub mode: DtwMode<'a>,
+    pub dtw_mem_size: usize,
+}
+
+impl Default for DtwParameters<'_> {
+    fn default() -> Self {
+        Self {
+            mode: DtwMode::None,
+            dtw_mem_size: 1024 * 1024 * 128,
+        }
+    }
+}
+
+#[derive(Debug, Clone)]
+pub enum DtwMode<'a> {
+    /// DTW token level timestamps disabled
+    None,
+    /// Use N Top Most layers from loaded model
+    TopMost {
+        /// Number of top text layers used from model, should be 0 < n_top <= model n_text_layer
+        n_top: c_int,
+    },
+    /// Use custom aheads, non-empty list of whisper_ahead.
+    /// 0 < n_text_layer < model n_text_layer, 0 < n_head < model n_text_head for each element
+    /// See details https://github.com/ggerganov/whisper.cpp/pull/1485#discussion_r1519681143
+    Custom {
+        aheads: &'a [whisper_rs_sys::whisper_ahead],
+    },
+    /// Use predefined preset for standard models
+    ModelPreset { model_preset: DtwModelPreset },
+}
+
+#[derive(Debug, Clone)]
+pub enum DtwModelPreset {
+    TinyEn,
+    Tiny,
+    BaseEn,
+    Base,
+    SmallEn,
+    Small,
+    MediumEn,
+    Medium,
+    LargeV1,
+    LargeV2,
+    LargeV3,
+}
+
 #[cfg(test)]
 #[cfg(feature = "test-with-tiny-model")]
 mod test_with_tiny_model {

sys/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "whisper-rs-sys"
-version = "0.8.1"
+version = "0.10.0"
 edition = "2021"
 description = "Rust bindings for whisper.cpp (FFI bindings)"
 license = "Unlicense"

sys/build.rs

@@ -123,7 +123,7 @@ fn main() {
     }
 
     if cfg!(feature = "cuda") {
-        config.define("WHISPER_CUBLAS", "ON");
+        config.define("WHISPER_CUDA", "ON");
     }
 
     if cfg!(feature = "openblas") {

sys/whisper.cpp

@@ -1 +1 @@
-Subproject commit 0b9af32a8b3fa7e2ae5f15a9a08f5b10394993f5
+Subproject commit c7b6988678779901d02ceba1a8212d2c9908956e