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2027 lines (1699 loc) · 62.5 KB
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from __future__ import annotations
import os
import warnings
from ctypes import (
CFUNCTYPE,
c_bool,
c_char,
c_char_p,
c_int,
c_int32,
c_int64,
c_uint8,
c_uint32,
c_size_t,
c_float,
c_void_p,
POINTER,
_Pointer, # type: ignore
Structure,
byref,
)
import pathlib
from typing import (
Callable,
Union,
NewType,
Optional,
TYPE_CHECKING,
)
import llama_cpp.llama_cpp as llama_cpp
from llama_cpp._ctypes_extensions import (
load_shared_library,
ctypes_function_for_shared_library,
)
if TYPE_CHECKING:
from llama_cpp._ctypes_extensions import (
CtypesArray,
)
# Specify the base name of the shared library to load
_libmtmd_base_name = "mtmd"
_libmtmd_override_path = os.environ.get("MTMD_CPP_LIB")
_libmtmd_base_path = (
pathlib.Path(os.path.abspath(os.path.dirname(__file__))) / "lib"
if _libmtmd_override_path is None
else pathlib.Path(_libmtmd_override_path)
)
# Load the library
_libmtmd = load_shared_library(_libmtmd_base_name, _libmtmd_base_path)
ctypes_function = ctypes_function_for_shared_library(_libmtmd)
################################################
# mtmd.h types
################################################
# Opaque types
mtmd_context_p = NewType("mtmd_context_p", int)
mtmd_context_p_ctypes = c_void_p
mtmd_bitmap_p = NewType("mtmd_bitmap_p", int)
mtmd_bitmap_p_ctypes = c_void_p
mtmd_helper_video_p = NewType("mtmd_helper_video_p", int)
mtmd_helper_video_p_ctypes = c_void_p
mtmd_helper_gen_audio_p = NewType("mtmd_helper_gen_audio_p", int)
mtmd_helper_gen_audio_p_ctypes = c_void_p
mtmd_image_tokens_p = NewType("mtmd_image_tokens_p", int)
mtmd_image_tokens_p_ctypes = c_void_p
mtmd_input_chunk_p = NewType("mtmd_input_chunk_p", int)
mtmd_input_chunk_p_ctypes = c_void_p
mtmd_input_chunks_p = NewType("mtmd_input_chunks_p", int)
mtmd_input_chunks_p_ctypes = c_void_p
mtmd_batch_p = NewType("mtmd_batch_p", int)
mtmd_batch_p_ctypes = c_void_p
mtmd_audio_stream_p = NewType("mtmd_audio_stream_p", int)
mtmd_audio_stream_p_ctypes = c_void_p
mtmd_gen_state_p = NewType("mtmd_gen_state_p", int)
mtmd_gen_state_p_ctypes = c_void_p
# Enums
MTMD_INPUT_CHUNK_TYPE_TEXT = 0
MTMD_INPUT_CHUNK_TYPE_IMAGE = 1
MTMD_INPUT_CHUNK_TYPE_AUDIO = 2
MTMD_INPUT_CHUNK_TYPE_COUNT = 3
MTMD_VIDEO_TEMPLATE_DEFAULT = 0
MTMD_VIDEO_TEMPLATE_LFM3 = 1
MTMD_VIDEO_TEMPLATE_LFM3_OMNI = 2
MTMD_VIDEO_TEMPLATE_QWEN3VL = 3
MTMD_GEN_AUDIO_TYPE_NONE = 0
MTMD_GEN_AUDIO_TYPE_QWEN3TTS = 1
MTMD_GEN_AUDIO_TYPE_POCKETTTS = 2
MTMD_GEN_AUDIO_TYPE_SOPRANO = 3
MTMD_GEN_AUDIO_TYPE_LFM3A = 4
MTMD_GEN_AUDIO_TYPE_CHATTERBOX = 5
MTMD_GEN_AUDIO_TYPE_DRAMA3 = 6
MTMD_GEN_PROCESS_TYPE_GEN_CODE = 0
MTMD_GEN_PROCESS_TYPE_GEN_WAV = 1
MTMD_HELPER_GEN_AUDIO_OUTTYPE_PCM = 0
MTMD_HELPER_GEN_AUDIO_OUTTYPE_WAV = 1
MTMD_HELPER_GEN_AUDIO_OUT_AUTO = 0
MTMD_HELPER_GEN_AUDIO_OUT_TEXT = 1
MTMD_HELPER_GEN_AUDIO_OUT_AUDIO = 2
MTMD_HELPER_GEN_AUDIO_OUT_MIXED = 3
mtmd_progress_callback = CFUNCTYPE(c_bool, c_float, c_void_p)
# Structures
class mtmd_context_params(Structure):
"""Context parameters for MTMD initialization.
`image_marker` is deprecated upstream and kept for compatibility; use
`media_marker` for multimodal prompt placeholders.
"""
if TYPE_CHECKING:
use_gpu: bool
device: c_void_p
print_timings: bool
n_threads: int
image_marker: Optional[bytes]
media_marker: Optional[bytes]
flash_attn_type: int
warmup: bool
image_min_tokens: int
image_max_tokens: int
cb_eval: llama_cpp.ggml_backend_sched_eval_callback
cb_eval_user_data: c_void_p
batch_max_tokens: int
progress_callback: Callable[[float, c_void_p], bool]
progress_callback_user_data: c_void_p
_fields_ = [
("use_gpu", c_bool),
("device", c_void_p),
("print_timings", c_bool),
("n_threads", c_int),
("image_marker", c_char_p),
("media_marker", c_char_p),
("flash_attn_type", c_int),
("warmup", c_bool),
("image_min_tokens", c_int),
("image_max_tokens", c_int),
("cb_eval", llama_cpp.ggml_backend_sched_eval_callback),
("cb_eval_user_data", c_void_p),
("batch_max_tokens", c_int),
("progress_callback", mtmd_progress_callback),
("progress_callback_user_data", c_void_p),
]
class mtmd_input_text(Structure):
"""Text input passed to `mtmd_tokenize`."""
if TYPE_CHECKING:
text: Optional[bytes]
text_len: int
add_special: bool
parse_special: bool
_fields_ = [
("text", c_char_p),
("text_len", c_size_t),
("add_special", c_bool),
("parse_special", c_bool),
]
# struct mtmd_input_part {
# // only text or bitmap can be set, not both
# const struct mtmd_input_text * text;
# const struct mtmd_bitmap * bitmap;
# };
class mtmd_input_part(Structure):
"""An input part with only text or bitmap set, not both."""
if TYPE_CHECKING:
text: _Pointer[mtmd_input_text]
bitmap: Optional[mtmd_bitmap_p]
_fields_ = [
("text", POINTER(mtmd_input_text)),
("bitmap", mtmd_bitmap_p_ctypes),
]
class mtmd_decoder_pos(Structure):
"""Decoder attention position for M-RoPE models."""
_fields_ = [
("t", c_uint32),
("x", c_uint32),
("y", c_uint32),
("z", c_uint32),
]
# struct mtmd_video_config {
# enum mtmd_video_template tmpl;
# float fps;
# int32_t n_frames;
# int32_t frame_width;
# int32_t frame_height;
# };
class mtmd_video_config(Structure):
if TYPE_CHECKING:
tmpl: int
fps: float
n_frames: int
frame_width: int
frame_height: int
_fields_ = [
("tmpl", c_int),
("fps", c_float),
("n_frames", c_int32),
("frame_width", c_int32),
("frame_height", c_int32),
]
# struct mtmd_audio_stream_params {
# int32_t step_ms;
# const llama_token * prompt;
# size_t n_prompt;
# };
class mtmd_audio_stream_params(Structure):
if TYPE_CHECKING:
step_ms: int
prompt: Optional["_Pointer[llama_cpp.llama_token]"]
n_prompt: int
_fields_ = [
("step_ms", c_int32),
("prompt", llama_cpp.llama_token_p),
("n_prompt", c_size_t),
]
# struct mtmd_caps {
# bool inp_vision;
# bool inp_audio;
# bool gen_audio;
# };
class mtmd_caps(Structure):
"""Capabilities exposed by an mmproj file."""
if TYPE_CHECKING:
inp_vision: bool
inp_audio: bool
gen_audio: bool
_fields_ = [
("inp_vision", c_bool),
("inp_audio", c_bool),
("gen_audio", c_bool),
]
# struct mtmd_gen_audio_info {
# enum mtmd_gen_audio_type type;
# int32_t sample_rate; // in Hz, for example 24000 for qwen3tts
# const char * model_variant; // name of the weight variant, can be None if not applicable
# int32_t n_voices; // predefined voices, see mtmd_gen_audio_voice_name()
# };
class mtmd_gen_audio_info(Structure):
if TYPE_CHECKING:
type: int
sample_rate: int
model_variant: Optional[bytes]
n_voices: int
_fields_ = [
("type", c_int),
("sample_rate", c_int32),
("model_variant", c_char_p),
("n_voices", c_int32),
]
# struct mtmd_gen_inp {
# enum mtmd_gen_process_type type;
#
# // for MTMD_GEN_PROCESS_TYPE_GEN_CODE
# int32_t code0; // the sampled codebook 0 entry from backbone
# float * embd; // the hidden state from backbone, must have n_text_embd elements
# int32_t top_k;
# float top_p;
# float temp; // sampling temperature, or noise scale for flow-matching decoders
# float penalty_repeat; // repetition penalty of the sampled codes, <= 1 is off
# int32_t penalty_last_n; // frames the repetition penalty looks back on
#
# // for MTMD_GEN_PROCESS_TYPE_GEN_WAV
# // pass either codes (discrete) or feats (continuous), depending on the pipeline
# int32_t * codes;
# size_t n_codes;
# const float * feats;
# size_t n_feats;
# };
class mtmd_gen_inp(Structure):
if TYPE_CHECKING:
type: int
code0: int
embd: Optional["_Pointer[c_float]"]
top_k: int
top_p: float
temp: float
penalty_repeat: float
penalty_last_n: int
codes: Optional["_Pointer[c_int32]"]
n_codes: int
feats: Optional["_Pointer[c_float]"]
n_feats: int
_fields_ = [
("type", c_int),
("code0", c_int32),
("embd", POINTER(c_float)),
("top_k", c_int32),
("top_p", c_float),
("temp", c_float),
("penalty_repeat", c_float),
("penalty_last_n", c_int32),
("codes", POINTER(c_int32)),
("n_codes", c_size_t),
("feats", POINTER(c_float)),
("n_feats", c_size_t),
]
# struct mtmd_gen_out {
# // note: output memory is owned by the state, valid until the next process() call with this state
#
# // for MTMD_GEN_PROCESS_TYPE_GEN_CODE
# const int32_t * codes;
# size_t n_codes;
# const float * feats; // continuous counterpart of codes
# size_t n_feats;
# const float * embd; // the generated hidden state, to be fed back to backbone
# // it must have n_text_embd elements
# bool is_eos; // only set by pipelines having the EOS head inside mmproj
#
# // for MTMD_GEN_PROCESS_TYPE_GEN_WAV
# const float * audio;
# size_t n_samples;
# };
class mtmd_gen_out(Structure):
if TYPE_CHECKING:
codes: Optional["_Pointer[c_int32]"]
n_codes: int
feats: Optional["_Pointer[c_float]"]
n_feats: int
embd: Optional["_Pointer[c_float]"]
is_eos: bool
audio: Optional["_Pointer[c_float]"]
n_samples: int
_fields_ = [
("codes", POINTER(c_int32)),
("n_codes", c_size_t),
("feats", POINTER(c_float)),
("n_feats", c_size_t),
("embd", POINTER(c_float)),
("is_eos", c_bool),
("audio", POINTER(c_float)),
("n_samples", c_size_t),
]
# struct mtmd_gen_state_params {
# uint32_t seed; // UINT32_MAX for random
# };
class mtmd_gen_state_params(Structure):
if TYPE_CHECKING:
seed: int
_fields_ = [("seed", c_uint32)]
mtmd_bitmap_lazy_callback = CFUNCTYPE(
c_int,
c_size_t,
c_void_p,
POINTER(mtmd_bitmap_p_ctypes),
POINTER(c_char_p),
)
# // one decoded sub-batch of embeddings, passed to mtmd_helper_post_decode_callback
# struct mtmd_helper_embd_batch {
# int32_t n_tokens;
# const float * embd; // [n_tokens, n_embd]
# int32_t n_embd;
# const llama_pos * pos; // [n_pos, n_tokens], section-major
# int32_t n_pos; // 4 for M-RoPE models, 1 otherwise
# llama_seq_id seq_id;
# };
class mtmd_helper_embd_batch(Structure):
"""One decoded sub-batch of embeddings, passed to mtmd_helper_post_decode_callback."""
if TYPE_CHECKING:
n_tokens: int
embd: "_Pointer[c_float]"
n_embd: int
pos: "_Pointer[llama_cpp.llama_pos]"
n_pos: int
seq_id: int
_fields_ = [
("n_tokens", c_int32),
("embd", POINTER(c_float)),
("n_embd", c_int32),
("pos", POINTER(llama_cpp.llama_pos)),
("n_pos", c_int32),
("seq_id", llama_cpp.llama_seq_id),
]
# typedef int32_t (*mtmd_helper_post_decode_callback)(const struct mtmd_helper_embd_batch * batch, void * user_data);
mtmd_helper_post_decode_callback = CFUNCTYPE(
c_int32,
POINTER(mtmd_helper_embd_batch),
c_void_p,
)
class mtmd_helper_bitmap_wrapper(Structure):
"""Bitmap wrapper returned by MTMD helper media loaders."""
if TYPE_CHECKING:
bitmap: Optional[mtmd_bitmap_p]
video_ctx: Optional[mtmd_helper_video_p]
_fields_ = [
("bitmap", mtmd_bitmap_p_ctypes),
("video_ctx", mtmd_helper_video_p_ctypes),
]
class mtmd_helper_video_info(Structure):
"""Metadata for a decoded video stream."""
if TYPE_CHECKING:
width: int
height: int
fps: float
n_frames: int
_fields_ = [
("width", c_uint32),
("height", c_uint32),
("fps", c_float),
("n_frames", c_int),
]
class mtmd_helper_video_init_params(Structure):
"""Parameters for initializing an MTMD helper video stream."""
if TYPE_CHECKING:
fps_target: float
ffmpeg_bin_dir: Optional[bytes]
timestamp_interval_ms: int
no_soundtrack: bool
_fields_ = [
("fps_target", c_float),
("ffmpeg_bin_dir", c_char_p),
("timestamp_interval_ms", c_int64),
("no_soundtrack", c_bool),
]
# // opt for mtmd_helper_bitmap_init_from_*()
# struct mtmd_helper_init_opt {
# struct mtmd_helper_video_init_params video_params;
# };
class mtmd_helper_init_opt(Structure):
if TYPE_CHECKING:
video_params: mtmd_helper_video_init_params
_fields_ = [("video_params", mtmd_helper_video_init_params)]
# struct mtmd_helper_gen_audio_inp {
# bool stream; // if true, output() must be called after each step_gen()
# llama_seq_id seq_id;
#
# const char * prompt;
# size_t prompt_len;
#
# int32_t n_past;
# enum mtmd_helper_gen_audio_out_mode out_mode;
#
# mtmd_bitmap * speaker_ref; // optional, can be NULL
# const char * lang; // optional, can be NULL
#
# int32_t top_k;
# float top_p;
# uint32_t seed; // UINT32_MAX for random (default: random)
#
# enum mtmd_helper_gen_audio_outtype out_type;
# };
class mtmd_helper_gen_audio_inp(Structure):
if TYPE_CHECKING:
stream: bool
seq_id: int
prompt: Optional[bytes]
prompt_len: int
n_past: int
out_mode: int
speaker_ref: Optional[mtmd_bitmap_p]
lang: Optional[bytes]
top_k: int
top_p: float
seed: int
out_type: int
_fields_ = [
("stream", c_bool),
("seq_id", llama_cpp.llama_seq_id),
("prompt", c_char_p),
("prompt_len", c_size_t),
("n_past", c_int32),
("out_mode", c_int),
("speaker_ref", mtmd_bitmap_p_ctypes),
("lang", c_char_p),
("top_k", c_int32),
("top_p", c_float),
("seed", c_uint32),
("out_type", c_int),
]
class mtmd_helper_cap(Structure):
"""Capabilities exposed by an MTMD model and its projector."""
if TYPE_CHECKING:
chat: bool
vision: bool
audio: bool
video: bool
audio_stream: bool
text_gen: bool
audio_gen: bool
audio_gen_spk_ref: bool
_fields_ = [
("chat", c_bool),
("vision", c_bool),
("audio", c_bool),
("video", c_bool),
("audio_stream", c_bool),
("text_gen", c_bool),
("audio_gen", c_bool),
("audio_gen_spk_ref", c_bool),
]
################################################
# mtmd.h functions
################################################
# MTMD_API const char * mtmd_default_marker(void);
@ctypes_function("mtmd_default_marker", [], c_char_p)
def mtmd_default_marker() -> bytes:
"""Return the default media marker."""
...
# MTMD_API struct mtmd_context_params mtmd_context_params_default(void);
@ctypes_function("mtmd_context_params_default", [], mtmd_context_params)
def mtmd_context_params_default() -> mtmd_context_params:
"""Return the default MTMD context parameters."""
...
# MTMD_API mtmd_context * mtmd_init_from_file(const char * mmproj_fname,
# const struct llama_model * text_model,
# const struct mtmd_context_params ctx_params);
@ctypes_function(
"mtmd_init_from_file",
[c_char_p, llama_cpp.llama_model_p_ctypes, mtmd_context_params],
mtmd_context_p_ctypes,
)
def mtmd_init_from_file(
mmproj_fname: bytes,
text_model: llama_cpp.llama_model_p,
ctx_params: mtmd_context_params,
/,
) -> Optional[mtmd_context_p]:
"""Initialize the MTMD context from a projector file. Returns None on failure."""
...
# MTMD_API void mtmd_free(mtmd_context * ctx);
@ctypes_function("mtmd_free", [mtmd_context_p_ctypes], None)
def mtmd_free(ctx: mtmd_context_p, /): ...
# MTMD_API bool mtmd_decode_use_non_causal(const mtmd_context * ctx, const mtmd_input_chunk * chunk);
@ctypes_function(
"mtmd_decode_use_non_causal",
[mtmd_context_p_ctypes, mtmd_input_chunk_p_ctypes],
c_bool,
)
def mtmd_decode_use_non_causal(
ctx: mtmd_context_p, chunk: Optional[mtmd_input_chunk_p], /
) -> bool:
"""Check whether MTMD decoding uses non-causal attention."""
...
# MTMD_API bool mtmd_decode_use_mrope(const mtmd_context * ctx);
@ctypes_function("mtmd_decode_use_mrope", [mtmd_context_p_ctypes], c_bool)
def mtmd_decode_use_mrope(ctx: mtmd_context_p, /) -> bool:
"""Check whether MTMD decoding uses mRoPE."""
...
# MTMD_API bool mtmd_support_vision(const mtmd_context * ctx);
@ctypes_function("mtmd_support_vision", [mtmd_context_p_ctypes], c_bool)
def mtmd_support_vision(ctx: mtmd_context_p, /) -> bool:
"""Check whether the current model supports vision input."""
...
# MTMD_API bool mtmd_support_audio(const mtmd_context * ctx);
@ctypes_function("mtmd_support_audio", [mtmd_context_p_ctypes], c_bool)
def mtmd_support_audio(ctx: mtmd_context_p, /) -> bool:
"""Check whether MTMD supports audio."""
...
# MTMD_API bool mtmd_support_audio_stream(const mtmd_context * ctx);
@ctypes_function("mtmd_support_audio_stream", [mtmd_context_p_ctypes], c_bool)
def mtmd_support_audio_stream(ctx: mtmd_context_p, /) -> bool:
"""Check whether the current model supports realtime audio input."""
...
# MTMD_API int mtmd_get_audio_sample_rate(const mtmd_context * ctx);
@ctypes_function("mtmd_get_audio_sample_rate", [mtmd_context_p_ctypes], c_int)
def mtmd_get_audio_sample_rate(ctx: mtmd_context_p, /) -> int:
"""Get the audio sample rate in Hz. Returns -1 if audio is not supported."""
...
# MTMD_API struct mtmd_audio_stream_params mtmd_audio_stream_params_default(void);
@ctypes_function("mtmd_audio_stream_params_default", [], mtmd_audio_stream_params)
def mtmd_audio_stream_params_default() -> mtmd_audio_stream_params:
"""Get default realtime audio stream parameters."""
...
# MTMD_API mtmd_audio_stream * mtmd_audio_stream_init(
# mtmd_context * ctx, struct mtmd_audio_stream_params params);
@ctypes_function(
"mtmd_audio_stream_init",
[mtmd_context_p_ctypes, mtmd_audio_stream_params],
mtmd_audio_stream_p_ctypes,
)
def mtmd_audio_stream_init(
ctx: mtmd_context_p,
params: mtmd_audio_stream_params,
/,
) -> Optional[mtmd_audio_stream_p]:
"""Initialize realtime audio processing, or return None on failure."""
...
# MTMD_API void mtmd_audio_stream_free(mtmd_audio_stream * stream);
@ctypes_function("mtmd_audio_stream_free", [mtmd_audio_stream_p_ctypes], None)
def mtmd_audio_stream_free(stream: mtmd_audio_stream_p, /):
"""Free a realtime audio stream."""
...
# MTMD_API int32_t mtmd_audio_stream_push(
# mtmd_audio_stream * stream, const float * samples, size_t n_samples);
@ctypes_function(
"mtmd_audio_stream_push",
[mtmd_audio_stream_p_ctypes, POINTER(c_float), c_size_t],
c_int32,
)
def mtmd_audio_stream_push(
stream: mtmd_audio_stream_p,
samples: Optional[CtypesArray[c_float]],
n_samples: Union[c_size_t, int],
/,
) -> int:
"""Push PCM F32 samples into a realtime audio stream."""
...
# MTMD_API int32_t mtmd_audio_stream_flush(mtmd_audio_stream * stream, bool end);
@ctypes_function(
"mtmd_audio_stream_flush", [mtmd_audio_stream_p_ctypes, c_bool], c_int32
)
def mtmd_audio_stream_flush(stream: mtmd_audio_stream_p, end: bool, /) -> int:
"""Flush pending audio, optionally ending the stream."""
...
# MTMD_API int32_t mtmd_audio_stream_step(mtmd_audio_stream * stream, llama_token last_token);
@ctypes_function(
"mtmd_audio_stream_step",
[mtmd_audio_stream_p_ctypes, llama_cpp.llama_token],
c_int32,
)
def mtmd_audio_stream_step(
stream: mtmd_audio_stream_p,
last_token: llama_cpp.llama_token,
/,
) -> int:
"""Produce the next decoder rows, using the previously sampled token."""
...
# MTMD_API const float * mtmd_audio_stream_get_output_embd(const mtmd_audio_stream * stream);
@ctypes_function(
"mtmd_audio_stream_get_output_embd",
[mtmd_audio_stream_p_ctypes],
POINTER(c_float),
)
def mtmd_audio_stream_get_output_embd(
stream: mtmd_audio_stream_p,
/,
) -> Optional[CtypesArray[c_float]]:
"""Get decoder embedding rows produced by the last stream step."""
...
# MTMD_API bool mtmd_audio_stream_is_seq_start(const mtmd_audio_stream * stream);
@ctypes_function("mtmd_audio_stream_is_seq_start", [mtmd_audio_stream_p_ctypes], c_bool)
def mtmd_audio_stream_is_seq_start(stream: mtmd_audio_stream_p, /) -> bool:
"""Check whether the last stream step starts a new sequence."""
...
# MTMD_API int64_t mtmd_audio_stream_get_n_rows(const mtmd_audio_stream * stream);
@ctypes_function("mtmd_audio_stream_get_n_rows", [mtmd_audio_stream_p_ctypes], c_int64)
def mtmd_audio_stream_get_n_rows(stream: mtmd_audio_stream_p, /) -> int:
"""Get the number of audio rows whose text has been sampled."""
...
# MTMD_API int64_t mtmd_audio_stream_get_n_rows_flushed(const mtmd_audio_stream * stream);
@ctypes_function(
"mtmd_audio_stream_get_n_rows_flushed", [mtmd_audio_stream_p_ctypes], c_int64
)
def mtmd_audio_stream_get_n_rows_flushed(stream: mtmd_audio_stream_p, /) -> int:
"""Get the number of audio rows produced through the last flush."""
...
# MTMD_API struct mtmd_video_config mtmd_get_video_config(
# const mtmd_context * ctx, int32_t src_width, int32_t src_height,
# int32_t src_n_frames, float src_fps);
@ctypes_function(
"mtmd_get_video_config",
[mtmd_context_p_ctypes, c_int32, c_int32, c_int32, c_float],
mtmd_video_config,
)
def mtmd_get_video_config(
ctx: mtmd_context_p,
src_width: int,
src_height: int,
src_n_frames: int,
src_fps: float,
/,
) -> mtmd_video_config:
"""Get recommended video sampling and frame dimensions for the current model."""
...
# MTMD_API const char * mtmd_get_marker(const mtmd_context * ctx);
@ctypes_function("mtmd_get_marker", [mtmd_context_p_ctypes], c_char_p)
def mtmd_get_marker(ctx: mtmd_context_p, /) -> Optional[bytes]:
"""Get the current media marker string."""
...
# Deprecated compatibility wrapper for the renamed mtmd_get_audio_sample_rate().
def mtmd_get_audio_bitrate(ctx: mtmd_context_p, /) -> int:
warnings.warn(
"mtmd_get_audio_bitrate is deprecated; use mtmd_get_audio_sample_rate instead",
DeprecationWarning,
stacklevel=2,
)
return mtmd_get_audio_sample_rate(ctx)
# MTMD_API mtmd_bitmap * mtmd_bitmap_init(uint32_t nx, uint32_t ny, const unsigned char * data);
@ctypes_function(
"mtmd_bitmap_init", [c_uint32, c_uint32, POINTER(c_uint8)], mtmd_bitmap_p_ctypes
)
def mtmd_bitmap_init(
nx: Union[c_uint32, int],
ny: Union[c_uint32, int],
data: CtypesArray[c_uint8],
/,
) -> Optional[mtmd_bitmap_p]: ...
# MTMD_API mtmd_bitmap * mtmd_bitmap_init_from_audio(size_t n_samples, const float * data);
@ctypes_function(
"mtmd_bitmap_init_from_audio",
[c_size_t, POINTER(c_float)],
mtmd_bitmap_p_ctypes,
)
def mtmd_bitmap_init_from_audio(
n_samples: Union[c_size_t, int],
data: CtypesArray[c_float],
/,
) -> Optional[mtmd_bitmap_p]:
"""Initialize an MTMD bitmap from audio samples."""
...
# MTMD_API void mtmd_bitmap_free(mtmd_bitmap * bitmap);
@ctypes_function("mtmd_bitmap_free", [mtmd_bitmap_p_ctypes], None)
def mtmd_bitmap_free(bitmap: mtmd_bitmap_p, /): ...
# MTMD_API uint32_t mtmd_bitmap_get_nx(const mtmd_bitmap * bitmap);
@ctypes_function("mtmd_bitmap_get_nx", [mtmd_bitmap_p_ctypes], c_uint32)
def mtmd_bitmap_get_nx(bitmap: mtmd_bitmap_p, /) -> int:
"""Get the bitmap width in pixels."""
...
# MTMD_API uint32_t mtmd_bitmap_get_ny(const mtmd_bitmap * bitmap);
@ctypes_function("mtmd_bitmap_get_ny", [mtmd_bitmap_p_ctypes], c_uint32)
def mtmd_bitmap_get_ny(bitmap: mtmd_bitmap_p, /) -> int:
"""Get the bitmap height in pixels."""
...
# MTMD_API const unsigned char * mtmd_bitmap_get_data(const mtmd_bitmap * bitmap);
@ctypes_function("mtmd_bitmap_get_data", [mtmd_bitmap_p_ctypes], POINTER(c_uint8))
def mtmd_bitmap_get_data(bitmap: mtmd_bitmap_p, /) -> Optional[CtypesArray[c_uint8]]:
"""Get the raw bitmap data buffer."""
...
# MTMD_API size_t mtmd_bitmap_get_n_bytes(const mtmd_bitmap * bitmap);
@ctypes_function("mtmd_bitmap_get_n_bytes", [mtmd_bitmap_p_ctypes], c_size_t)
def mtmd_bitmap_get_n_bytes(bitmap: mtmd_bitmap_p, /) -> int:
"""Get the bitmap data size in bytes."""
...
# MTMD_API bool mtmd_bitmap_is_audio(const mtmd_bitmap * bitmap);
@ctypes_function("mtmd_bitmap_is_audio", [mtmd_bitmap_p_ctypes], c_bool)
def mtmd_bitmap_is_audio(bitmap: mtmd_bitmap_p, /) -> bool:
"""Check whether the bitmap contains audio data."""
...
# MTMD_API bool mtmd_bitmap_is_voice(const mtmd_bitmap * bitmap);
@ctypes_function("mtmd_bitmap_is_voice", [mtmd_bitmap_p_ctypes], c_bool)
def mtmd_bitmap_is_voice(bitmap: mtmd_bitmap_p, /) -> bool:
"""Check whether the bitmap contains a predefined voice representation."""
...
# MTMD_API const char * mtmd_bitmap_get_id(const mtmd_bitmap * bitmap);
@ctypes_function("mtmd_bitmap_get_id", [mtmd_bitmap_p_ctypes], c_char_p)
def mtmd_bitmap_get_id(bitmap: mtmd_bitmap_p, /) -> Optional[bytes]:
"""Get the optional bitmap identifier."""
...
# MTMD_API void mtmd_bitmap_set_id(mtmd_bitmap * bitmap, const char * id);
@ctypes_function("mtmd_bitmap_set_id", [mtmd_bitmap_p_ctypes, c_char_p], None)
def mtmd_bitmap_set_id(bitmap: mtmd_bitmap_p, id: Optional[bytes], /):
"""Set the optional bitmap identifier."""
...
# // if true, this bitmap can be merged (temporal merge) with an adjacent mergeable bitmap by certain video input models
# MTMD_API void mtmd_bitmap_set_mergeable(mtmd_bitmap * bitmap, bool mergeable);
@ctypes_function("mtmd_bitmap_set_mergeable", [mtmd_bitmap_p_ctypes, c_bool], None)
def mtmd_bitmap_set_mergeable(bitmap: mtmd_bitmap_p, mergeable: bool, /):
"""Allow temporal merging with an adjacent mergeable bitmap."""
...
# MTMD_API void mtmd_bitmap_set_is_video(mtmd_bitmap * bitmap, bool is_video);
@ctypes_function("mtmd_bitmap_set_is_video", [mtmd_bitmap_p_ctypes, c_bool], None)
def mtmd_bitmap_set_is_video(bitmap: mtmd_bitmap_p, is_video: bool, /):
"""Mark a bitmap or lazy bitmap as part of a video input."""
...
# MTMD_API mtmd_bitmap * mtmd_bitmap_init_lazy(const mtmd_context * ctx,
# const char * id,
# void * user_data,
# mtmd_bitmap_lazy_callback callback);
@ctypes_function(
"mtmd_bitmap_init_lazy",
[mtmd_context_p_ctypes, c_char_p, c_void_p, mtmd_bitmap_lazy_callback],
mtmd_bitmap_p_ctypes,
)
def mtmd_bitmap_init_lazy(
ctx: mtmd_context_p,
id: Optional[bytes],
user_data: c_void_p,
callback: mtmd_bitmap_lazy_callback,
/,
) -> Optional[mtmd_bitmap_p]:
"""Initialize a lazy MTMD bitmap."""
...
# MTMD_API mtmd_input_chunks * mtmd_input_chunks_init(void);
@ctypes_function("mtmd_input_chunks_init", [], mtmd_input_chunks_p_ctypes)
def mtmd_input_chunks_init() -> Optional[mtmd_input_chunks_p]: ...
# MTMD_API void mtmd_input_chunks_free(mtmd_input_chunks * chunks);
@ctypes_function("mtmd_input_chunks_free", [mtmd_input_chunks_p_ctypes], None)
def mtmd_input_chunks_free(chunks: mtmd_input_chunks_p, /): ...
# MTMD_API size_t mtmd_input_chunks_size(const mtmd_input_chunks * chunks);
@ctypes_function("mtmd_input_chunks_size", [mtmd_input_chunks_p_ctypes], c_size_t)
def mtmd_input_chunks_size(chunks: mtmd_input_chunks_p, /) -> int: ...
# MTMD_API const mtmd_input_chunk * mtmd_input_chunks_get(const mtmd_input_chunks * chunks, size_t idx);
@ctypes_function(
"mtmd_input_chunks_get",
[mtmd_input_chunks_p_ctypes, c_size_t],
mtmd_input_chunk_p_ctypes,
)
def mtmd_input_chunks_get(
chunks: mtmd_input_chunks_p, idx: Union[c_size_t, int], /
) -> Optional[mtmd_input_chunk_p]: ...
# MTMD_API int32_t mtmd_tokenize(const mtmd_context * ctx,
# mtmd_input_chunks * output,
# const mtmd_input_text * text,
# const mtmd_bitmap * const * bitmaps,
# size_t n_bitmaps);
@ctypes_function(
"mtmd_tokenize",
[
mtmd_context_p_ctypes,
mtmd_input_chunks_p_ctypes,
POINTER(mtmd_input_text),
POINTER(mtmd_bitmap_p_ctypes),
c_size_t,
],
c_int,
)
def mtmd_tokenize(
ctx: mtmd_context_p,
output: mtmd_input_chunks_p,
text: "_Pointer[mtmd_input_text]",
bitmaps: CtypesArray[mtmd_bitmap_p_ctypes],
n_bitmaps: Union[c_size_t, int],
/,
) -> int: ...
# // same as mtmd_tokenize(), but takes an array of mtmd_input_part
# // use cases:
# // - when you don't want to use media markers (they will be tokenized as normal text)
# // - when you want to control parse_special for each text part
# // note: per-part add_special will be ignored
# // return 1 if a part has both text and bitmap set (or neither)
# MTMD_API int32_t mtmd_tokenize_from_parts(const mtmd_context * ctx,
# mtmd_input_chunks * output,
# const mtmd_input_part * const * parts,
# size_t n_parts,
# bool add_special);
@ctypes_function(