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mtmd: several bug fixes (#24784)

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* mtmd: several bug fixes

* fix build

* fix gemma4ua

* add sanity check in get_u32()

* fix build (2)

* area() avoid overflow
This commit is contained in:
Xuan-Son Nguyen
2026-06-19 12:18:36 +02:00
committed by GitHub
parent b14e3fb90c
commit e2e7a9b2d0
5 changed files with 119 additions and 72 deletions
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tools/mtmd/mtmd.cpp
+4 -1
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@@ -1295,9 +1295,12 @@ struct mtmd_tokenizer {
for (auto & mel_spec : mel_spec_chunks) {
const bool is_placeholder = mel_spec.data.empty();
// Validate dimensions fit in clip_image_size (int)
GGML_ASSERT(mel_spec.n_len <= INT32_MAX && mel_spec.n_len >= 0);
GGML_ASSERT(mel_spec.n_mel <= INT32_MAX && mel_spec.n_mel >= 0);
clip_image_f32 mel_f32;
mel_f32.set_size(
{mel_spec.n_len, mel_spec.n_mel},
{(int)mel_spec.n_len, (int)mel_spec.n_mel},
is_placeholder, /* is_audio */ true);
mel_f32.cpy_buf(mel_spec.data);