Commit Graph

64 Commits

Author SHA1 Message Date
98dfe8dc26 vad : revisit timestamp alignment/mapping (#3173)
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* vad : revisit timestamp alignment/mapping

This commit improving the timestamp alignment by introducing a mapping
table, adding intermediate reference points for longer segments, and
binary search for lookups.

The motivation for this changes is to address issues with the currently
solution where zero-length segments are possible, and also to improve
the precision of the VAD timestamps.

Refs: https://github.com/ggml-org/whisper.cpp/issues/3162

* vad : use uint64_t for time mapping

This commit changes the type of the `processed_time` and `original_time`
fields in the `vad_time_mapping` struct from `double` to `uint64_t`.

The motivation for this change is made to improve precision and avoid
floating-point inaccuracies and also be consistent with other part of
the code base that use `uint64_t` for time representation.

This is a part of a refactoring where I'm also going to change the
vad_segment_info struct to use `uint64_t` for the start and end times.
This is the reason for the not so pleasant conversion and casts in the
code at the moment.

* vad : change vad_segment_info and whisper_vad_segment to use uint64_t

* vad : use int64_t instead of uint64_t for timestamps

To be consistent with other timestamps in the codebase.

* vad : add centisecond conversion functions

* vad : extract vad processing from whisper_full_with_state

This commit extracts the VAD processing from the
`whisper_full_with_state` function into the `whisper_full` and
`whisper_full_parallel` functions.

The motivation for this is that I did not take into account that when
`whisper_full_parallel` is called with `n_processors > 1`, then the
vad processing would not be applied correctly. Instead the VAD
processing should be done prior to processing in the case of
`whisper_full_parallel`.

* vad : remove filtered_n_samples from whisper_vad

The commit removes the parameter `filtered_n_samples` from the
`whisper_vad` function signature and its usage, as it is no longer
needed since filtered samples is now a vector (previously it was a
float*)

The motivation for this is to simplify the usage of this function.

* vad : remove vad_mapping_table_initialized flag

* vad : fix leaning (none) of pointer/references
2025-05-30 06:28:46 +02:00
73a8c5fb94 whisper : remove whisper_load_backends function (#3196)
* whisper : remove whisper_load_backends function

This commit removes the `whisper_load_backends` function, which was used
to load all GGML backends.

The motivation for this change push the responsibility of loading
backends to user applications to give them more control over which
backends to load and when. See the references below for more context.

Resolves: https://github.com/ggml-org/whisper.cpp/issues/3182
Refs: https://github.com/ggml-org/whisper.cpp/pull/3042#issuecomment-2801778733
Refs: https://github.com/ggml-org/whisper.cpp/pull/3042#issuecomment-2801928990

* ruby : add check for rwc is NULL

This commit adds a check to ensure that the `rwc` pointer is not NULL
before attempting to mark its members in the garbage collector.

The motivation for this is an attempt to see if this fixed the CI build
as I'm not able to reproduce the issue locally.

Refs: https://github.com/ggml-org/whisper.cpp/actions/runs/15299612277/job/43036694928?pr=3196
2025-05-29 08:03:17 +02:00
bd1cb0c8e3 whisper : remove redundant assignments (#3178)
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This commit removes some redundant assignments in the function
`whisper_exp_compute_token_level_timestamps`.

The motivations for this is that tokens[j] and token are references to
the same object and this can be a little confusing when reading the
code.
2025-05-21 13:23:20 +02:00
d1f114da61 vad : return early if no vad segments are detected (#3158)
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This commit adds a check to `whisper_full_with_state` and if no VAD
segments are detected, the function will return early.

The motivation for this is that if no VAD segments are detected, the
function will not have any samples to process which can happen if an
audio sample does not contain any speech. I did not test this previously
and only discovered this when updating the stream example.
2025-05-16 08:50:53 +02:00
bae5d074c7 vad : store VAD context in whisper_state (#3156)
* vad : store VAD context in whisper_state

This commit stores the VAD context in the whisper_state structure,
allowing for better management and reuse of the VAD context across
multiple calls to the whisper_vad function.

The motivation for this change is that when updating the stream example
I noticed that the VAD context was being re-initialized every time the
whisper_vad function was called. This involved loading the VAD model
which is expensive and unnecessary if the context can be reused.

Storing this in the whisper_state seems follow the pattern simliar to
how whisper_coreml_context and whisper_openvion_context are stored.

* vad : free vad_context in whisper_free_state
2025-05-16 07:53:26 +02:00
a14c89aefa whisper : update to ggml-backend changes (#0)
ggml-ci
2025-05-13 13:59:21 +03:00
e41bc5c61a vad : add initial Voice Activity Detection (VAD) support (#3065)
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* vad : add initial Voice Activity Detection (VAD) support

This commit add support for Voice Activity Detection (VAD). When enabled
this feature will process the audio input and detect speech segments.
This information is then used to reduce the number of samples that need
to be processed by whisper_full.

Resolves: https://github.com/ggml-org/whisper.cpp/issues/3003

---------

Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
2025-05-12 16:10:11 +02:00
e39ba750cd whisper : remove dummy commit comment [no ci] (#3143)
This commit removes a dummy comment that was add by
Commit(589b408 "ci : dummy commit to trigger CI").
2025-05-12 14:40:17 +02:00
09846f4e12 whisper: remove MSVC warnings pragmas (#3090)
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* ggml : remove MSVC warnings pragmas

This commit removes the MSVC-specific pragmas as these are now handled
in CMakeLists.txt.

* whisper : remove MSVC warning pragmas

This commit removes the MSVC-specific pragmas. These are now handled in
the CMakeLists.txt file.
2025-05-05 13:09:35 +02:00
2e30e6df59 whisper : fix grammar advance stack warning (#3087)
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This commit addresses a warnings that is present for Release builds:
```console
[ 30%] Building CXX object src/CMakeFiles/whisper.dir/whisper.cpp.o
In file included from /usr/include/c++/13/bits/stl_tree.h:63,
                 from /usr/include/c++/13/map:62,
                 from /home/danbev/work/ai/whisper.cpp/src/whisper-arch.h:5,
                 from /home/danbev/work/ai/whisper.cpp/src/whisper.cpp:2:
In static member function ‘static void std::__copy_move<false, false, std::random_access_iterator_tag>::__assign_one(_Tp*, _Up*) [with _Tp = const whisper_grammar_element*; _Up = const whisper_grammar_element* const]’,
    inlined from ‘static _Up* std::__copy_move<_IsMove, true, std::random_access_iterator_tag>::__copy_m(_Tp*, _Tp*, _Up*) [with _Tp = const whisper_grammar_element* const; _Up = const whisper_grammar_element*; bool _IsMove = false]’ at /usr/include/c++/13/bits/stl_algobase.h:440:20,
    inlined from ‘_OI std::__copy_move_a2(_II, _II, _OI) [with bool _IsMove = false; _II = const whisper_grammar_element* const*; _OI = const whisper_grammar_element**]’ at /usr/include/c++/13/bits/stl_algobase.h:506:30,
    inlined from ‘_OI std::__copy_move_a1(_II, _II, _OI) [with bool _IsMove = false; _II = const whisper_grammar_element* const*; _OI = const whisper_grammar_element**]’ at /usr/include/c++/13/bits/stl_algobase.h:533:42,
...
```
This warning is caused by the fact that the `stack` vector is empty
when it is passed to `new_stacks.push_back(stack);`.

The suggested fix is to use `new_stacks.emplace_back();` instead of
`new_stacks.push_back(stack);`.
2025-04-28 19:11:38 +02:00
549db9376f whisper : reduce delta_min from 1000ms to 100ms (#3028)
ggml-ci
2025-04-11 06:23:02 +02:00
e6234cd435 whisper : fix "bench-all outputs an invalid result on larger models" (#3002)
The benchmark script 'scripts/bench-all.sh' assumes that the 11th
field of the output line is a timestamp. This assumption does not
hold when the target model takes a bit longer to process.

Fix this issue by introducing an explicit whitespace to the output
lines of `whisper_print_timings()`.

Signed-off-by: Fujimoto Seiji <fujimoto@ceptord.net>
2025-04-04 18:36:19 +03:00
2b6d0d2200 rename : ggerganov -> ggml-org (#3005) 2025-04-04 16:11:52 +03:00
11688b262f coreml: fix Whisper to CoreML conversion by disabling SDPA [no ci] (#2979)
* coreml: fix Whisper to CoreML conversion by disabling SDPA

This commit disables the use of PyTorch's
`scaled_dot_product_attention` in the Whisper model to avoid
compatibility issues during CoreML conversion.
The issue occurs because coremltools requires PyTorch 2.5.0, but the
Whisper implementation may expect behavior from newer PyTorch versions.

By setting `MultiHeadAttention.use_sdpa = False`, we force Whisper to
use its fallback manual attention implementation, which works correctly
with PyTorch 2.5.0 during the tracing process.

Refs: https://github.com/ggerganov/whisper.cpp/issues/2783

* coreml: fix audio shape in whisper decoder conversion

This commit fixes the audio shape in the whisper decoder conversion
script.

The motivation for this is that the  audio shape was incorrect and
was causing the conversion to fail.

* coreml : set -e in generate-coreml-interface.sh

The commit sets the -e flag in the generate-coreml-interface.sh script
to make sure the script fails if any command fails.

* coreml : update generated encoder/decoder interfaces

This commit updates the generated encoder/decoder interfaces for the
whisper model which is the result of running the
generate-coreml-interface.sh script.
2025-04-01 18:01:23 +02:00
f92bd59951 whisper : remove unnecessary GGML_UNUSED macro (#2960)
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2025-03-30 05:56:10 +02:00
21d890d534 whisper : add support for backends with multiple ggml_backend_buffer_type (#2863)
* whisper : add support for ggml_backend_buffer_type

Signed-off-by: Dan Johansson <dan.johansson@arm.com>

* fix compile error when building on Ubuntu

Signed-off-by: Dan Johansson <dan.johansson@arm.com>

* remove copyright header from include file

Signed-off-by: Dan Johansson <dan.johansson@arm.com>

---------

Signed-off-by: Dan Johansson <dan.johansson@arm.com>
2025-03-26 16:54:02 +02:00
cf5ddb8c21 whisper : initialize decoder's rng with unique seed (#2932)
This change initializes each decoder's random number generator with a
unique seed.

The motivation for this is that currently all decoders are initialized
with the same seed value, 0. The result of this is that for the same
state (logits, probs, and logprobs) they will produce the same output.
2025-03-24 09:36:07 +01:00
be9de81171 whisper : add check for CPU backend initialization (#2918)
This commit adds a check for the CPU backend initialization in the
whisper library. If the initialization fails, an exception is thrown.

The motivation for this change is to make the library more robust and
handle the case when the CPU backend initialization fails.

Resolves: https://github.com/ggerganov/whisper.cpp/issues/2917
2025-03-21 09:53:26 +01:00
215990abde whisper : fix compiler warnings in whisper.cpp (#2895)
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This commit fixes compiler warnings in whisper.cpp by changing the type
of the loop index variable from int64_t to size_t.

Currently the following warnings are generated by the compiler:
```console
/whisper.cpp/src/whisper.cpp:209:27: warning: comparison of integers of different signs: 'int64_t' (aka 'long long') and 'size_t' (aka 'unsigned long') [-Wsign-compare]
  209 |     for (int64_t i = 0; i < nels; ++i) {
      |                         ~ ^ ~~~~
/whisper.cpp/src/whisper.cpp:219:27: warning: comparison of integers of different signs: 'int64_t' (aka 'long long') and 'size_t' (aka 'unsigned long') [-Wsign-compare]
  219 |     for (int64_t i = 0; i < nels; ++i) {
      |                         ~ ^ ~~~~
```
2025-03-18 13:38:41 +01:00
740bf7f6a1 whisper : enable compiler warnings for src (#2891)
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* whisper : enable compiler warnings for src

This commit enables compiler warnings for the src directory. Currently
when the WHISPER_ALL_WARNINGS flag is set to ON is only enables warnings
in ggml, by setting GGML_ALL_WARNINGS to ON. This commit adds the same
compiler flags for whisper's src directory.

The motivation for this is to catch potential bugs and issues early on
in the development process.

* squash! whisper : enable compiler warnings for src

Remove GF_C_FLAGS and GF_CXX_FLAGS from add_compile_options.
2025-03-18 05:19:18 +01:00
339a1cba5d whisper : support GGML_BACKEND_DL (#2843)
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* whisper : support GGML_BACKEND_DL

* fix DTW crash

* whisper.objc : fix build - add ggml-cpp.h

---------

Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
2025-02-27 13:35:07 +01:00
47e14c0529 whisper : restore big endian support (#2816)
* whisper : fix BYTESWAP whitespace

* whisper : make byteswap useable with C++17

* cmake : define WHISPER_BIG_ENDIAN for big-endian targets

* ci : fix (again) arm64 build fails

* docker : attempt fixing arm64 build on ci

* qemu v7.0.0-28

[imported from
https://github.com/ggml-org/llama.cpp
/commit/818a340ea8be55b3706e1772527cb8738e90a8c7
(#11895)]

---------

Co-authored-by: Xuan-Son Nguyen <thichthat@gmail.com>
2025-02-25 11:38:13 +02:00
589b40810a ci : dummy commit to trigger CI
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2025-02-03 16:32:48 +02:00
eb68324c86 whisper : fix gpu device selection (#2728)
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2025-01-13 13:11:37 +02:00
2ab2eb5110 whisper : add whisper_full_get_segment_no_speech_prob_from_state (#2716)
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2025-01-09 16:21:07 +02:00
4183517076 server : add no-speech threshold parameter and functionality (#2654) 2024-12-21 17:00:08 +02:00
f4668169a0 whisper : rename suppress_non_speech_tokens to suppress_nst (#2653)
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2024-12-21 12:54:35 +02:00
f897eb7670 whisper : support no_speech_thold (#2625)
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* Implement no_speech_thold

no_speech_thold functionality is on par with OpenAI's whisper

* Addressed review comments
2024-12-17 19:15:47 +02:00
2f2841bfce whisper : add single-timestamp logic (#2629)
* Fix hallucinations during silence

When the predicted tokens end with a single timestamp the the entire 30 segment should be considered as done, to avoid hallucinations for the remaining part of segment.
This behaviour is on par with openai's whisper. Refer to logic related to `single_timestamp_ending` in https://github.com/openai/whisper/blob/main/whisper/transcribe.py

* Accept review comments related to formatting.

Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>

---------

Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
2024-12-17 19:07:08 +02:00
37c88027e1 whisper : use backend registry (#0) 2024-11-20 21:00:08 +02:00
7fd8d9c220 whisper : adapt to new ggml (wip) 2024-11-20 21:00:08 +02:00
5089ab2d6a whisper : fix build (#0) 2024-11-15 15:21:04 +02:00
5f8a086e22 whisper.swiftui : add model download list & bench methods (#2546)
* swift : fix resources & exclude build

* whisper : impl whisper_timings struct & api

* whisper.swiftui : model list & bench methods

* whisper : return ptr for whisper_get_timings

* revert unnecessary change

* whisper : avoid designated initializer

* whisper.swiftui: code style changes

* whisper.swiftui : get device name / os from UIDevice

* whisper.swiftui : fix UIDevice usage

* whisper.swiftui : add memcpy and ggml_mul_mat (commented)
2024-11-13 21:51:34 +02:00
5ccca19f0c ggml : vulkan logs (#2547) 2024-11-13 21:47:15 +02:00
31aea563a8 whisper : fix extra memory usage (#2534)
* passing samples_padded by ref to the threads.

* passing samples_padded by ref to the threads.

---------

Co-authored-by: Vinith Misra <physicsdemon@gmail.com>
2024-11-06 23:02:11 +02:00
0377596b77 whisper : backend registry init before model load 2024-11-01 10:19:05 +02:00
aa037a60f3 ggml : alloc ggml_contexts on the heap (#2525)
* whisper : reduce ggml_context usage

* ggml : allocate contexts on the heap (v2)

* ggml : aligned malloc -> malloc
2024-10-31 22:00:09 +02:00
3f020fac9d whisper : minor compile warning 2024-10-29 19:30:26 +02:00
1626b73b03 whisper : move new-segment callback after DTW step (#2515) 2024-10-29 08:47:21 +02:00
0fbaac9c89 whisper : fix index overflow in token-level timestamp logic (#2505) 2024-10-23 15:14:03 +03:00
b6049060dd whisper : add dtw preset for large-v3-turbo (#2481) 2024-10-15 21:00:21 +03:00
fdbfb460ed whisper : add OpenVINO init with state (#2464)
* Fixed OpenVino init on state

* Removed an empty line

* Fixed typo

* Replaced tabs with spaces

---------

Co-authored-by: Sandro Hanea <sandrohanea@users.noreply.github.com>
2024-10-08 20:08:00 +03:00
847f94fdeb whisper : zero-out the KV cache upon clear (#2445) 2024-10-05 15:23:51 +03:00
396089f3cf whisper : revert mel-related changes (#0)
too much extra logic and complexity for small benefit
2024-10-05 15:23:51 +03:00
941912467d whisper : adapt to latest ggml (skip) (#0) 2024-10-05 15:23:51 +03:00
f62a546e03 whisper : fix excessive memory usage (#2443)
* whisper : fix KV cache allocation

* whisper : reduce memory overhead from unused input tensors
2024-10-05 12:36:40 +03:00
ccc2547210 talk-llama : sync llama.cpp 2024-10-03 12:22:17 +03:00
fe18c29ab8 talk-llama : sync llama.cpp 2024-09-24 19:45:08 +03:00
34291099fb ggml : refactoring (llama/#0)
- d6a04f87
- 23e0d70b
2024-09-24 19:45:08 +03:00
9d754a56cf whisper : update FA call 2024-08-28 13:22:20 +03:00