add Qwen3VL model
This commit is contained in:
@@ -0,0 +1,89 @@
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use candle_nn::Activation;
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#[derive(Debug, Clone, PartialEq, serde::Deserialize)]
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pub struct Size {
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pub longest_edge: usize,
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pub shortest_edge: usize,
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}
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#[derive(Debug, Clone, PartialEq, serde::Deserialize)]
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pub struct PreprocessorConfig {
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pub size: Size,
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pub patch_size: usize,
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pub temporal_patch_size: usize,
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pub merge_size: usize,
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pub image_mean: Vec<f32>,
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pub image_std: Vec<f32>,
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}
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#[derive(Debug, Clone, PartialEq, serde::Deserialize)]
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pub struct RopeScaling {
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pub rope_type: String,
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pub mrope_section: Vec<usize>,
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pub mrope_interleaved: bool,
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}
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#[derive(Debug, Clone, PartialEq, serde::Deserialize)]
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pub struct Qwen3VLTextConfig {
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pub attention_bias: bool,
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pub attention_dropout: f32,
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pub bos_token_id: usize,
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pub dtype: String,
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pub eos_token_id: usize,
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pub head_dim: usize,
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pub hidden_act: Activation,
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pub hidden_size: usize,
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pub initializer_range: f32,
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pub intermediate_size: usize,
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pub max_position_embeddings: usize,
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pub num_attention_heads: usize,
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pub num_hidden_layers: usize,
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pub num_key_value_heads: usize,
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pub rms_norm_eps: f64,
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pub rope_scaling: RopeScaling,
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pub rope_theta: f32,
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pub tie_word_embeddings: bool,
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pub use_cache: bool,
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pub vocab_size: usize,
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}
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#[derive(Debug, Clone, PartialEq, serde::Deserialize)]
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pub struct Qwen3VLVisionConfig {
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pub deepstack_visual_indexes: Vec<usize>,
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pub depth: usize,
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pub hidden_act: String,
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pub hidden_size: usize,
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pub in_channels: usize,
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pub initializer_range: f32,
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pub intermediate_size: usize,
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pub num_heads: usize,
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pub num_position_embeddings: usize,
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pub out_hidden_size: usize,
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pub patch_size: usize,
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pub spatial_merge_size: usize,
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pub temporal_patch_size: usize,
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}
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#[derive(Debug, Clone, PartialEq, serde::Deserialize)]
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pub struct Qwen3VLConfig {
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pub image_token_id: usize,
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pub text_config: Qwen3VLTextConfig,
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pub tie_word_embeddings: bool,
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pub video_token_id: usize,
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pub vision_config: Qwen3VLVisionConfig,
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pub vision_end_token_id: usize,
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pub vision_start_token_id: usize,
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}
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#[derive(Debug, Clone, PartialEq, serde::Deserialize)]
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pub struct Qwen3VLGenerationConfig {
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pub bos_token_id: usize,
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pub pad_token_id: usize,
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pub do_sample: bool,
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pub eos_token_id: Vec<usize>,
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pub top_p: f32,
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pub top_k: usize,
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pub temperature: f32,
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pub repetition_penalty: f32,
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}
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@@ -0,0 +1,199 @@
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use anyhow::{Result, anyhow};
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use candle_core::{DType, Device, Tensor};
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use candle_nn::VarBuilder;
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use openai_dive::v1::resources::chat::{ChatCompletionChunkResponse, ChatCompletionParameters, ChatCompletionResponse};
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use rocket::futures::Stream;
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use rocket::async_stream::stream;
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use crate::{
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chat_template::ChatTemplate,
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models::{GenerateModel, qwen3vl::{
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config::{Qwen3VLConfig, Qwen3VLGenerationConfig},
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model::Qwen3VLModel,
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processor::Qwen3VLProcessor,
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}},
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tokenizer::TokenizerModel,
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utils::{
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build_completion_chunk_response, build_completion_response, find_type_files, get_device, get_dtype, get_logit_processor
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},
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};
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pub struct Qwen3VLGenerateModel<'a> {
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chat_template: ChatTemplate<'a>,
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tokenizer: TokenizerModel,
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pre_processor: Qwen3VLProcessor,
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qwen3_vl: Qwen3VLModel,
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device: Device,
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eos_token_id1: u32,
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eos_token_id2: u32,
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generation_config: Qwen3VLGenerationConfig,
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}
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impl<'a> Qwen3VLGenerateModel<'a> {
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pub fn init(path: &str, device: Option<&Device>, dtype: Option<DType>) -> Result<Self> {
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let chat_template = ChatTemplate::init(path)?;
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let tokenizer = TokenizerModel::init(path)?;
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let config_path = path.to_string() + "/config.json";
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let cfg: Qwen3VLConfig = serde_json::from_slice(&std::fs::read(config_path)?)?;
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let device = get_device(device);
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let cfg_dtype = cfg.text_config.dtype.as_str();
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let dtype = get_dtype(dtype, cfg_dtype);
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let pre_processor = Qwen3VLProcessor::new(path, &device, dtype)?;
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let model_list = find_type_files(path, "safetensors")?;
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let vb = unsafe { VarBuilder::from_mmaped_safetensors(&model_list, dtype, &device)? };
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let vb = vb.pp("model");
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let qwen3_vl = Qwen3VLModel::new(cfg, vb)?;
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let generation_config_path = path.to_string() + "/generation_config.json";
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let generation_config: Qwen3VLGenerationConfig =
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serde_json::from_slice(&std::fs::read(generation_config_path)?)?;
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Ok(Self {
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chat_template,
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tokenizer,
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pre_processor,
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qwen3_vl,
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device,
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eos_token_id1: generation_config.eos_token_id[0] as u32,
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eos_token_id2: generation_config.eos_token_id[1] as u32,
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generation_config,
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})
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}
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}
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impl<'a> GenerateModel for Qwen3VLGenerateModel<'a> {
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fn generate(&mut self, mes: ChatCompletionParameters) -> Result<ChatCompletionResponse> {
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let temperature = match mes.temperature {
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None => self.generation_config.temperature,
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Some(tem) => tem,
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};
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let top_p = match mes.top_p {
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None => self.generation_config.top_p,
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Some(top_p) => top_p,
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};
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let top_k = self.generation_config.top_k;
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let mut logit_processor = get_logit_processor(Some(temperature), Some(top_p), Some(top_k));
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let mes_render = self.chat_template.apply_chat_template(&mes)?;
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let input = self.pre_processor.process_info(&mes, &mes_render)?;
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let mut input_ids = self
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.tokenizer
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.text_encode(input.replace_text.clone(), &self.device)?;
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let mut seq_len = input_ids.dim(1)?;
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let mut seqlen_offset = 0;
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let mut pixel_values = input.pixel_values.as_ref();
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let image_grid_thw = input.image_grid_thw.as_ref();
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let mut pixel_values_video = input.pixel_values_video.as_ref();
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let video_grid_thw = input.video_grid_thw.as_ref();
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let mut cache_position = Tensor::arange(0u32, seq_len as u32, &self.device)?;
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let mut generate = Vec::new();
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let sample_len = mes.max_tokens.unwrap_or(1024);
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for _ in 0..sample_len {
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let logits = self.qwen3_vl.forward(
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&input_ids,
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pixel_values,
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image_grid_thw,
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pixel_values_video,
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video_grid_thw,
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Some(&cache_position),
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seqlen_offset,
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)?;
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let logits = logits.squeeze(0)?.squeeze(0)?.to_dtype(DType::F32)?;
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let next_token = logit_processor.sample(&logits)?;
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generate.push(next_token);
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if next_token == self.eos_token_id1 || next_token == self.eos_token_id2 {
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break;
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}
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seqlen_offset += seq_len;
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seq_len = 1;
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input_ids = Tensor::from_vec(vec![next_token], (1, 1), &self.device)?;
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cache_position = Tensor::from_vec(vec![seqlen_offset as u32], 1, &self.device)?;
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pixel_values = None;
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pixel_values_video = None;
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}
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let res = self.tokenizer.token_decode(generate)?;
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self.qwen3_vl.clear_kv_cache();
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let response = build_completion_response(res, "qwen3vl");
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Ok(response)
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}
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fn generate_stream(
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&mut self,
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mes: ChatCompletionParameters,
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) -> Result<impl Stream<Item = Result<ChatCompletionChunkResponse, anyhow::Error>>> {
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let temperature = match mes.temperature {
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None => self.generation_config.temperature,
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Some(tem) => tem,
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};
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let top_p = match mes.top_p {
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None => self.generation_config.top_p,
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Some(top_p) => top_p,
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};
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let top_k = self.generation_config.top_k;
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let mut logit_processor = get_logit_processor(Some(temperature), Some(top_p), Some(top_k));
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let mes_render = self.chat_template.apply_chat_template(&mes)?;
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let input = self.pre_processor.process_info(&mes, &mes_render)?;
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let mut input_ids = self
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.tokenizer
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.text_encode(input.replace_text.clone(), &self.device)?;
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let mut seq_len = input_ids.dim(1)?;
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let mut seqlen_offset = 0;
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let pixel_values = input.pixel_values.clone();
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let image_grid_thw = input.image_grid_thw.clone();
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let pixel_values_video = input.pixel_values_video.clone();
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let video_grid_thw = input.video_grid_thw.clone();
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let mut cache_position = Tensor::arange(0u32, seq_len as u32, &self.device)?;
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let sample_len = mes.max_tokens.unwrap_or(1024);
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let stream = stream! {
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let mut error_tokens = Vec::new();
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let mut pixel_values = pixel_values.as_ref();
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let image_grid_thw = image_grid_thw.as_ref();
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let mut pixel_values_video = pixel_values_video.as_ref();
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let video_grid_thw = video_grid_thw.as_ref();
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for _ in 0..sample_len {
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let logits = self.qwen3_vl.forward(
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&input_ids,
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pixel_values,
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image_grid_thw,
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pixel_values_video,
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video_grid_thw,
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Some(&cache_position),
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seqlen_offset,
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)?;
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let logits = logits.squeeze(0)?.squeeze(0)?.to_dtype(DType::F32)?;
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let next_token = logit_processor.sample(&logits)?;
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let mut decode_ids = Vec::new();
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if !error_tokens.is_empty() {
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decode_ids.extend_from_slice(&error_tokens);
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}
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decode_ids.push(next_token);
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let decoded_token = self.tokenizer.token_decode(decode_ids).map_err(|e| anyhow!(format!("stream decode error{}", e)))?;
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if decoded_token.contains("�") {
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error_tokens.push(next_token);
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if error_tokens.len() > 3 {
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error_tokens.clear();
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}
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seqlen_offset += seq_len;
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seq_len = 1;
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input_ids = Tensor::from_vec(vec![next_token], (1, 1), &self.device)?;
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cache_position = Tensor::from_vec(vec![seqlen_offset as u32], 1, &self.device)?;
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pixel_values = None;
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pixel_values_video = None;
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continue;
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}
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error_tokens.clear();
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let chunk = build_completion_chunk_response(decoded_token, "qwen3vl", None, None);
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yield Ok(chunk);
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if next_token == self.eos_token_id1 || next_token == self.eos_token_id2 {
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break;
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}
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seqlen_offset += seq_len;
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seq_len = 1;
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input_ids = Tensor::from_vec(vec![next_token], (1, 1), &self.device)?;
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cache_position = Tensor::from_vec(vec![seqlen_offset as u32], 1, &self.device)?;
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pixel_values = None;
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pixel_values_video = None;
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}
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self.qwen3_vl.clear_kv_cache();
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};
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Ok(stream)
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}
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}
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@@ -0,0 +1,4 @@
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pub mod processor;
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pub mod config;
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pub mod model;
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pub mod generate;
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File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,625 @@
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use std::collections::HashMap;
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use anyhow::{Result, anyhow};
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use candle_core::{DType, Device, IndexOp, Shape, Tensor};
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use ffmpeg_next as ffmpeg;
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use image::DynamicImage;
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use num::integer::lcm;
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use openai_dive::v1::resources::chat::{
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ChatCompletionParameters, ChatMessage, ChatMessageContent, ChatMessageContentPart,
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};
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use crate::{
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models::qwen3vl::config::PreprocessorConfig,
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utils::{ceil_by_factor, floor_by_factor, img_utils::get_image, round_by_factor},
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};
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#[derive(Clone)]
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pub struct VisionInput {
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pub data: Tensor,
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pub grid_thw: Tensor,
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}
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#[derive(Clone)]
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pub struct GeneralInput {
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pub replace_text: String,
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pub pixel_values: Option<Tensor>,
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pub image_grid_thw: Option<Tensor>,
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pub pixel_values_video: Option<Tensor>,
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pub video_grid_thw: Option<Tensor>,
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}
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#[allow(unused)]
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#[derive(Debug, Clone)]
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pub struct VideoMetadata {
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total_num_frames: u32,
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fps: f32,
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width: u32,
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height: u32,
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duration: f32,
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frame_indices: Vec<u32>,
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}
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pub struct Qwen3VLProcessor {
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img_process_cfg: PreprocessorConfig,
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video_process_cfg: PreprocessorConfig,
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device: Device,
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dtype: DType,
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image_token: String,
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video_token: String,
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vision_start_token: String,
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vision_end_token: String,
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fps: u32,
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min_frames: u32,
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max_frames: u32,
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}
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impl Qwen3VLProcessor {
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pub fn new(path: &str, device: &Device, dtype: DType) -> Result<Self> {
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let path = path.to_string();
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assert!(
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std::path::Path::new(&path).exists(),
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"model path file not exists"
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);
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let img_process_cfg_file = path.clone() + "/preprocessor_config.json";
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assert!(
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std::path::Path::new(&img_process_cfg_file).exists(),
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"preprocessor_config.json not exists in model path"
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);
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let img_process_cfg: PreprocessorConfig =
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serde_json::from_slice(&std::fs::read(img_process_cfg_file)?)?;
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let video_process_cfg_file = path.clone() + "/video_preprocessor_config.json";
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assert!(
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std::path::Path::new(&video_process_cfg_file).exists(),
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"video_preprocessor_config.json not exists in model path"
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);
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let video_process_cfg: PreprocessorConfig =
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serde_json::from_slice(&std::fs::read(video_process_cfg_file)?)?;
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let image_token = "<|image_pad|>".to_string();
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let video_token = "<|video_pad|>".to_string();
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let vision_start_token = "<|vision_start|>".to_string();
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let vision_end_token = "<|vision_end|>".to_string();
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Ok(Self {
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img_process_cfg,
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video_process_cfg,
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device: device.clone(),
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dtype,
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image_token,
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video_token,
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vision_start_token,
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vision_end_token,
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fps: 2,
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min_frames: 4,
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max_frames: 768,
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})
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}
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pub fn extract_vision_info(
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&self,
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mes: &ChatCompletionParameters,
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) -> Result<HashMap<String, Vec<String>>> {
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let mut vision_map = HashMap::new();
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vision_map.insert("image".to_string(), Vec::new());
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vision_map.insert("video".to_string(), Vec::new());
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for chat_mes in mes.messages.clone() {
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if let ChatMessage::User { content, .. } = chat_mes
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&& let ChatMessageContent::ContentPart(part_vec) = content
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{
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for part in part_vec {
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if let ChatMessageContentPart::Image(img_part) = part {
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let img_url = img_part.image_url;
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vision_map.get_mut("image").unwrap().push(img_url.url);
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} else if let ChatMessageContentPart::Video(video_part) = part {
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let video_url = video_part.video_url;
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vision_map.get_mut("video").unwrap().push(video_url.url);
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}
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}
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}
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}
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Ok(vision_map)
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}
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pub fn process_img(
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&self,
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img: &DynamicImage,
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img_mean: &Tensor,
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img_std: &Tensor,
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) -> Result<Tensor> {
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let img_h = img.height();
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let img_w = img.width();
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// h,w resize成 28的倍数
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let (resize_h, resize_w) = img_smart_resize(
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img_h,
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img_w,
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(self.img_process_cfg.patch_size * self.img_process_cfg.merge_size) as u32,
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self.img_process_cfg.size.shortest_edge as u32,
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self.img_process_cfg.size.longest_edge as u32,
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None,
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)?;
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let img = img.resize_exact(resize_w, resize_h, image::imageops::FilterType::CatmullRom);
|
||||
let img_vec = img.to_rgb8().into_raw();
|
||||
// (h, w, c) => (c, h, w)
|
||||
let img_tensor = Tensor::from_slice(
|
||||
&img_vec,
|
||||
(resize_h as usize, resize_w as usize, 3),
|
||||
&self.device,
|
||||
)?
|
||||
.permute((2, 0, 1))?
|
||||
.to_dtype(self.dtype)?;
|
||||
// 0-255 rescale to 0-1
|
||||
let img_tensor = img_tensor.affine(1.0 / 255.0, 0.)?;
|
||||
// normalize
|
||||
let img_tensor = img_tensor.broadcast_sub(img_mean)?.broadcast_div(img_std)?;
|
||||
// (c, h, w) => (1, c, h, w)
|
||||
let img_tensor = img_tensor.unsqueeze(0)?;
|
||||
Ok(img_tensor)
|
||||
}
|
||||
|
||||
pub fn process_vision_tensor(&self, img_tensor: &Tensor) -> Result<(Tensor, Tensor)> {
|
||||
let channel = img_tensor.dim(1)?;
|
||||
let grid_t = img_tensor.dim(0)? / self.img_process_cfg.temporal_patch_size;
|
||||
let grid_h = img_tensor.dim(2)? / self.img_process_cfg.patch_size;
|
||||
let grid_w = img_tensor.dim(3)? / self.img_process_cfg.patch_size;
|
||||
let shape = Shape::from(vec![
|
||||
grid_t,
|
||||
self.img_process_cfg.temporal_patch_size,
|
||||
channel,
|
||||
grid_h / self.img_process_cfg.merge_size,
|
||||
self.img_process_cfg.merge_size,
|
||||
self.img_process_cfg.patch_size,
|
||||
grid_w / self.img_process_cfg.merge_size,
|
||||
self.img_process_cfg.merge_size,
|
||||
self.img_process_cfg.patch_size,
|
||||
]);
|
||||
let img_tensor = img_tensor.reshape(shape)?;
|
||||
// shape to // grid_t,
|
||||
// grid_h / merge_size,
|
||||
// grid_w / merge_size,
|
||||
// merge_size,
|
||||
// merge_size,
|
||||
// channel,
|
||||
// temporal_patch_size,
|
||||
// patch_size,
|
||||
// patch_size,
|
||||
let img_tensor = img_tensor.permute(vec![0, 3, 6, 4, 7, 2, 1, 5, 8])?;
|
||||
let img_tensor = img_tensor
|
||||
.reshape((
|
||||
grid_t * grid_h * grid_w,
|
||||
channel
|
||||
* self.img_process_cfg.temporal_patch_size
|
||||
* self.img_process_cfg.patch_size
|
||||
* self.img_process_cfg.patch_size,
|
||||
))?
|
||||
.contiguous()?;
|
||||
let grid_thw = Tensor::from_vec(
|
||||
vec![grid_t as u32, grid_h as u32, grid_w as u32],
|
||||
(1, 3),
|
||||
&self.device,
|
||||
)?;
|
||||
Ok((img_tensor, grid_thw))
|
||||
}
|
||||
|
||||
pub fn process_images(
|
||||
&self,
|
||||
imgs: Vec<DynamicImage>,
|
||||
img_mean: &Tensor,
|
||||
img_std: &Tensor,
|
||||
) -> Result<VisionInput> {
|
||||
let mut pixel_values_vec = Vec::new();
|
||||
let mut vision_grid_thws_vec = Vec::new();
|
||||
|
||||
for img in imgs {
|
||||
let img_tensor = self.process_img(&img, img_mean, img_std)?;
|
||||
let img_tensor = Tensor::cat(&[&img_tensor, &img_tensor], 0)?.contiguous()?;
|
||||
let (img_tensor, grid_thw) = self.process_vision_tensor(&img_tensor)?;
|
||||
pixel_values_vec.push(img_tensor);
|
||||
vision_grid_thws_vec.push(grid_thw);
|
||||
}
|
||||
let pixel_values = Tensor::cat(&pixel_values_vec, 0)?;
|
||||
let vision_grid_thws = Tensor::cat(&vision_grid_thws_vec, 0)?;
|
||||
Ok(VisionInput {
|
||||
data: pixel_values,
|
||||
grid_thw: vision_grid_thws,
|
||||
})
|
||||
}
|
||||
|
||||
pub fn process_videos(
|
||||
&self,
|
||||
data: Vec<Tensor>,
|
||||
img_mean: &Tensor,
|
||||
img_std: &Tensor,
|
||||
) -> Result<VisionInput> {
|
||||
let mut pixel_values_vec = Vec::new();
|
||||
let mut vision_grid_thws_vec = Vec::new();
|
||||
for single_video in data {
|
||||
// 0-255 rescale to 0-1
|
||||
let video_tensor = single_video.to_dtype(self.dtype)?.affine(1.0 / 255.0, 0.)?;
|
||||
// normalize
|
||||
let video_tensor = video_tensor
|
||||
.broadcast_sub(img_mean)?
|
||||
.broadcast_div(img_std)?
|
||||
.contiguous()?;
|
||||
let (video_tensor, video_grid_thw) = self.process_vision_tensor(&video_tensor)?;
|
||||
pixel_values_vec.push(video_tensor);
|
||||
vision_grid_thws_vec.push(video_grid_thw);
|
||||
}
|
||||
let pixel_values = Tensor::cat(&pixel_values_vec, 0)?.contiguous()?;
|
||||
let vision_grid_thws = Tensor::cat(&vision_grid_thws_vec, 0)?.contiguous()?;
|
||||
Ok(VisionInput {
|
||||
data: pixel_values,
|
||||
grid_thw: vision_grid_thws,
|
||||
})
|
||||
}
|
||||
|
||||
fn calculate_timestamps(
|
||||
&self,
|
||||
frames_indices: Vec<u32>,
|
||||
fps: f32,
|
||||
t_merge_size: usize,
|
||||
) -> Result<Vec<f32>> {
|
||||
let indices = if frames_indices.len() % t_merge_size != 0 {
|
||||
let mut frames_indices = frames_indices.clone();
|
||||
let last = frames_indices[frames_indices.len() - 1];
|
||||
let pad_len = t_merge_size - frames_indices.len() % t_merge_size;
|
||||
for _ in 0..pad_len {
|
||||
frames_indices.push(last);
|
||||
}
|
||||
frames_indices
|
||||
} else {
|
||||
frames_indices.clone()
|
||||
};
|
||||
let timestamps: Vec<f32> = indices.iter().map(|&x| x as f32 / fps).collect();
|
||||
let mut stamps = Vec::new();
|
||||
for i in (0..timestamps.len()).step_by(t_merge_size) {
|
||||
let stamp = (timestamps[i] + timestamps[i + t_merge_size - 1]) / 2.0;
|
||||
stamps.push(stamp);
|
||||
}
|
||||
Ok(stamps)
|
||||
}
|
||||
|
||||
pub fn process_info(
|
||||
&self,
|
||||
messages: &ChatCompletionParameters,
|
||||
text: &str,
|
||||
) -> Result<GeneralInput> {
|
||||
let mut pixel_values = None;
|
||||
let mut image_grid_thw = None;
|
||||
let mut pixel_values_video = None;
|
||||
let mut video_grid_thw: Option<Tensor> = None;
|
||||
let mut video_metadata = None;
|
||||
let vision_map = self.extract_vision_info(messages)?;
|
||||
let img_mean =
|
||||
Tensor::from_slice(&self.img_process_cfg.image_mean, (3, 1, 1), &self.device)?
|
||||
.to_dtype(self.dtype)?;
|
||||
let img_std = Tensor::from_slice(&self.img_process_cfg.image_std, (3, 1, 1), &self.device)?
|
||||
.to_dtype(self.dtype)?;
|
||||
for (key, vec) in vision_map {
|
||||
// println!("key: {}, \nvalue: {:?}", key, vec);
|
||||
if key.eq("image") {
|
||||
let mut file_vec = Vec::new();
|
||||
for file in &vec {
|
||||
let image = get_image(file);
|
||||
match image {
|
||||
Ok(img) => file_vec.push(img),
|
||||
Err(e) => println!("get_image err: {:?}", e),
|
||||
};
|
||||
}
|
||||
if !file_vec.is_empty() {
|
||||
let vision_input = self.process_images(file_vec, &img_mean, &img_std);
|
||||
match vision_input {
|
||||
Ok(img_input) => {
|
||||
pixel_values = Some(img_input.data);
|
||||
image_grid_thw = Some(img_input.grid_thw);
|
||||
}
|
||||
Err(e) => println!("img process_images err: {:?}", e),
|
||||
};
|
||||
}
|
||||
}
|
||||
if key.eq("video") {
|
||||
let mut file_vec = Vec::new();
|
||||
let mut video_infos = Vec::new();
|
||||
for file in &vec {
|
||||
let video_data = get_video_data(
|
||||
file,
|
||||
self.video_process_cfg.patch_size as u32,
|
||||
self.video_process_cfg.temporal_patch_size as u32,
|
||||
self.video_process_cfg.merge_size as u32,
|
||||
self.fps,
|
||||
self.min_frames,
|
||||
self.max_frames,
|
||||
self.video_process_cfg.size.shortest_edge as u32,
|
||||
self.video_process_cfg.size.longest_edge as u32,
|
||||
&self.device,
|
||||
);
|
||||
match video_data {
|
||||
Ok((tensor, video_info)) => {
|
||||
file_vec.push(tensor);
|
||||
video_infos.push(video_info);
|
||||
}
|
||||
Err(e) => println!("get_video_data err: {:?}", e),
|
||||
};
|
||||
}
|
||||
if !file_vec.is_empty() {
|
||||
let vision_input = self.process_videos(file_vec, &img_mean, &img_std);
|
||||
match vision_input {
|
||||
Ok(video_input) => {
|
||||
pixel_values_video = Some(video_input.data);
|
||||
video_grid_thw = Some(video_input.grid_thw);
|
||||
video_metadata = Some(video_infos);
|
||||
}
|
||||
Err(e) => println!("video process_videos err: {:?}", e),
|
||||
};
|
||||
}
|
||||
}
|
||||
}
|
||||
let merge_length = self.img_process_cfg.merge_size.pow(2);
|
||||
let mut text = text.to_string();
|
||||
if let Some(ref image_grid_thw) = image_grid_thw {
|
||||
let mut index = 0;
|
||||
while text.contains(&self.image_token) {
|
||||
let grid_i = image_grid_thw.i(index)?;
|
||||
let repeat_num =
|
||||
grid_i.to_vec1::<u32>()?.iter().product::<u32>() as usize / merge_length;
|
||||
let replace = "<|placeholder|>".repeat(repeat_num);
|
||||
text = text.replacen(&self.image_token, &replace, 1);
|
||||
index += 1;
|
||||
}
|
||||
text = text.replace("<|placeholder|>", &self.image_token);
|
||||
}
|
||||
if let Some(ref video_grid_thw) = video_grid_thw {
|
||||
let mut index = 0;
|
||||
while text.contains(&self.video_token) {
|
||||
let grid_i = video_grid_thw.i(index)?;
|
||||
let video_info = &video_metadata.as_ref().unwrap()[index];
|
||||
let curr_timestamp = self.calculate_timestamps(
|
||||
video_info.frame_indices.clone(),
|
||||
video_info.fps,
|
||||
self.img_process_cfg.merge_size,
|
||||
)?;
|
||||
let mut video_placeholder = "".to_string();
|
||||
let [t, h, w] = grid_i.to_vec1::<u32>()?[..] else {
|
||||
return Err(anyhow!(format!("grid_thw Expected exactly 3 elements")));
|
||||
};
|
||||
let frame_seqlen = h * w / merge_length as u32;
|
||||
for frame_idx in 0..t {
|
||||
let curr_time = curr_timestamp[frame_idx as usize];
|
||||
video_placeholder = video_placeholder + format!("<{:.1} seconds>", curr_time).as_str();
|
||||
video_placeholder = video_placeholder + self.vision_start_token.as_str();
|
||||
video_placeholder = video_placeholder + "<|placeholder|>".repeat(frame_seqlen as usize).as_str();
|
||||
video_placeholder = video_placeholder + self.vision_end_token.as_str();
|
||||
}
|
||||
let three_token = format!("{}{}{}", self.vision_start_token, self.video_token, self.vision_end_token);
|
||||
if text.contains(&three_token) {
|
||||
text = text.replacen(&three_token, &video_placeholder, 1);
|
||||
} else {
|
||||
text = text.replacen(&self.video_token, &video_placeholder, 1);
|
||||
}
|
||||
index += 1;
|
||||
}
|
||||
text = text.replace("<|placeholder|>", &self.video_token);
|
||||
}
|
||||
let input = GeneralInput {
|
||||
replace_text: text,
|
||||
pixel_values,
|
||||
image_grid_thw,
|
||||
pixel_values_video,
|
||||
video_grid_thw,
|
||||
};
|
||||
Ok(input)
|
||||
}
|
||||
}
|
||||
|
||||
pub fn img_smart_resize(
|
||||
img_h: u32,
|
||||
img_w: u32,
|
||||
factor: u32,
|
||||
min_pixels: u32,
|
||||
max_pixels: u32,
|
||||
video_ratio: Option<u32>,
|
||||
) -> Result<(u32, u32)> {
|
||||
if std::cmp::max(img_h, img_w) / std::cmp::min(img_h, img_w) > 200 {
|
||||
return Err(anyhow!(format!(
|
||||
"absolute aspect ratio mush be smaller than {}, got {}",
|
||||
200,
|
||||
std::cmp::max(img_h, img_w) / std::cmp::min(img_h, img_w)
|
||||
)));
|
||||
}
|
||||
let mut image_factor = factor;
|
||||
if let Some(ratio) = video_ratio {
|
||||
image_factor = lcm(image_factor, ratio);
|
||||
}
|
||||
let mut h_bar = std::cmp::max(image_factor, round_by_factor(img_h, image_factor));
|
||||
let mut w_bar = std::cmp::max(image_factor, round_by_factor(img_w, image_factor));
|
||||
|
||||
if h_bar * w_bar > max_pixels {
|
||||
let beta = ((img_h * img_w) as f32 / max_pixels as f32).sqrt();
|
||||
h_bar = floor_by_factor(img_h as f32 / beta, image_factor);
|
||||
w_bar = floor_by_factor(img_w as f32 / beta, image_factor);
|
||||
} else if h_bar * w_bar < min_pixels {
|
||||
let beta = (min_pixels as f32 / (img_h * img_w) as f32).sqrt();
|
||||
h_bar = ceil_by_factor(img_h as f32 * beta, image_factor);
|
||||
w_bar = ceil_by_factor(img_w as f32 * beta, image_factor);
|
||||
}
|
||||
Ok((h_bar, w_bar))
|
||||
}
|
||||
|
||||
pub fn video_smart_resize(
|
||||
num_frames: u32,
|
||||
height: u32,
|
||||
width: u32,
|
||||
temporal_factor: u32,
|
||||
factor: u32,
|
||||
min_pixels: u32,
|
||||
max_pixels: u32,
|
||||
video_ratio: Option<u32>,
|
||||
) -> Result<(u32, u32)> {
|
||||
if num_frames < temporal_factor {
|
||||
return Err(anyhow!(format!(
|
||||
"{} must be larger than temporal_factor {}",
|
||||
num_frames, temporal_factor
|
||||
)));
|
||||
}
|
||||
if height < factor || width < factor {
|
||||
return Err(anyhow!(format!(
|
||||
"height:{} or width:{} must be larger than factor:{}",
|
||||
height, width, factor
|
||||
)));
|
||||
}
|
||||
if std::cmp::max(height, width) / std::cmp::min(height, width) > 200 {
|
||||
return Err(anyhow!(format!(
|
||||
"absolute aspect ratio mush be smaller than {}, got {}",
|
||||
200,
|
||||
std::cmp::max(height, width) / std::cmp::min(height, width)
|
||||
)));
|
||||
}
|
||||
let mut image_factor = factor;
|
||||
if let Some(ratio) = video_ratio {
|
||||
image_factor = lcm(image_factor, ratio);
|
||||
}
|
||||
let mut h_bar = round_by_factor(height, image_factor);
|
||||
let mut w_bar = round_by_factor(width, image_factor);
|
||||
let t_bar = round_by_factor(num_frames, temporal_factor);
|
||||
if t_bar * h_bar * w_bar > max_pixels {
|
||||
let beta = ((num_frames * height * width) as f32 / max_pixels as f32).sqrt();
|
||||
h_bar = std::cmp::max(
|
||||
image_factor,
|
||||
floor_by_factor(height as f32 / beta, image_factor),
|
||||
);
|
||||
w_bar = std::cmp::max(
|
||||
image_factor,
|
||||
floor_by_factor(width as f32 / beta, image_factor),
|
||||
);
|
||||
} else if t_bar * h_bar * w_bar < min_pixels {
|
||||
let beta = (min_pixels as f32 / (num_frames * height * width) as f32).sqrt();
|
||||
h_bar = ceil_by_factor(height as f32 * beta, image_factor);
|
||||
w_bar = ceil_by_factor(width as f32 * beta, image_factor);
|
||||
}
|
||||
Ok((h_bar, w_bar))
|
||||
}
|
||||
|
||||
pub fn get_video_data(
|
||||
file: &String,
|
||||
patch_size: u32,
|
||||
temporal_patch_size: u32,
|
||||
merge_size: u32,
|
||||
fps: u32,
|
||||
min_frames: u32,
|
||||
max_frames: u32,
|
||||
min_pixels: u32,
|
||||
max_pixels: u32,
|
||||
device: &Device,
|
||||
) -> Result<(Tensor, VideoMetadata)> {
|
||||
ffmpeg::init().map_err(|e| anyhow!(format!("Failed to initialize ffmpeg: {}", e)))?;
|
||||
|
||||
let mut ictx = ffmpeg::format::input(&file)
|
||||
.map_err(|e| anyhow!(format!("Failed to open video file: {}", e)))?;
|
||||
let input = ictx
|
||||
.streams()
|
||||
.best(ffmpeg::media::Type::Video)
|
||||
.ok_or_else(|| anyhow!(format!("No video stream found")))?;
|
||||
let video_stream_index = input.index();
|
||||
let context_decoder = ffmpeg::codec::context::Context::from_parameters(input.parameters())
|
||||
.map_err(|e| anyhow!(format!("Failed to crate decoder context: {}", e)))?;
|
||||
let mut decoder = context_decoder
|
||||
.decoder()
|
||||
.video()
|
||||
.map_err(|e| anyhow!(format!("Failed to decoder video: {}", e)))?;
|
||||
|
||||
let video_h = decoder.height();
|
||||
let video_w = decoder.width();
|
||||
let format = decoder.format();
|
||||
|
||||
let frames = input.frames();
|
||||
let rate = input.rate().0 as f32 / input.rate().1 as f32;
|
||||
let duration = frames as f32 * 1.0 / rate;
|
||||
// 1s取两帧
|
||||
let nframes = (frames as f32 / rate * fps as f32).round() as u32;
|
||||
let nframes = std::cmp::min(
|
||||
std::cmp::min(std::cmp::max(nframes, min_frames), max_frames),
|
||||
frames as u32,
|
||||
);
|
||||
let sample_interval = (frames as f32 / nframes as f32).round() as u32;
|
||||
let mut frame_indices = Vec::new();
|
||||
let mut frame_id = 0_u32;
|
||||
|
||||
// 图片帧使用scaler reshape的时候需要保证宽高是16的倍数,不然reshape出来的是损坏的图片
|
||||
// 所以计算resize的目标宽高时,需要用16和image_factor的最小公倍数
|
||||
let (resize_h, resize_w) = video_smart_resize(
|
||||
nframes,
|
||||
video_h,
|
||||
video_w,
|
||||
temporal_patch_size,
|
||||
patch_size * merge_size,
|
||||
min_pixels,
|
||||
max_pixels,
|
||||
Some(16),
|
||||
)?;
|
||||
let mut scaler = ffmpeg::software::scaling::context::Context::get(
|
||||
format,
|
||||
video_w,
|
||||
video_h,
|
||||
ffmpeg::format::Pixel::RGB24,
|
||||
resize_w,
|
||||
resize_h,
|
||||
ffmpeg::software::scaling::flag::Flags::BILINEAR
|
||||
| ffmpeg::software::scaling::flag::Flags::ACCURATE_RND,
|
||||
)
|
||||
.map_err(|e| anyhow!(format!("Failed to crate scaler: {}", e)))?;
|
||||
|
||||
let mut frames_vec = Vec::new();
|
||||
let mut receive_and_process_decoded_frames =
|
||||
|decoder: &mut ffmpeg::decoder::Video| -> Result<()> {
|
||||
let mut decoded = ffmpeg::frame::Video::empty();
|
||||
while decoder.receive_frame(&mut decoded).is_ok() {
|
||||
if frame_id.is_multiple_of(sample_interval) {
|
||||
frame_indices.push(frame_id);
|
||||
let mut rgb_frame = ffmpeg::frame::Video::empty();
|
||||
scaler
|
||||
.run(&decoded, &mut rgb_frame)
|
||||
.map_err(|e| anyhow!(format!("Failed to scaler run decoded: {}", e)))?;
|
||||
|
||||
// save_file(&rgb_frame, frame_id as usize);
|
||||
let frame_data = rgb_frame.data(0);
|
||||
let frame_tensor = Tensor::from_slice(
|
||||
frame_data,
|
||||
(resize_h as usize, resize_w as usize, 3),
|
||||
device,
|
||||
)?
|
||||
.permute((2, 0, 1))?;
|
||||
frames_vec.push(frame_tensor);
|
||||
}
|
||||
frame_id += 1;
|
||||
}
|
||||
Ok(())
|
||||
};
|
||||
|
||||
for (stream, packet) in ictx.packets() {
|
||||
if stream.index() == video_stream_index {
|
||||
decoder
|
||||
.send_packet(&packet)
|
||||
.map_err(|e| anyhow!(format!("Failed to send packet: {}", e)))?;
|
||||
receive_and_process_decoded_frames(&mut decoder)?;
|
||||
}
|
||||
}
|
||||
decoder
|
||||
.send_eof()
|
||||
.map_err(|e| anyhow!(format!("Failed to decoder.send_eof(): {}", e)))?;
|
||||
receive_and_process_decoded_frames(&mut decoder)?;
|
||||
|
||||
if frames_vec.is_empty() {
|
||||
return Err(anyhow!("No frames extracted from video".to_string()));
|
||||
}
|
||||
// (t, c, h, w)
|
||||
let frames_tensor = Tensor::stack(&frames_vec, 0)?.contiguous()?;
|
||||
let video_info = VideoMetadata {
|
||||
total_num_frames: frames as u32,
|
||||
fps: rate,
|
||||
width: video_w,
|
||||
height: video_h,
|
||||
duration,
|
||||
frame_indices,
|
||||
};
|
||||
Ok((frames_tensor, video_info))
|
||||
}
|
||||
Reference in New Issue
Block a user