[feat]: Add adaptive fps dataloader and remove redundant code (#41)

Co-authored-by: haoanyscale <c-hao.zhang@anyscale.com>

scripts/data_preprocess/finetune_data_gen.sh

@@ -1,7 +1,6 @@
 # export WANDB_MODE="offline"
 GPU_NUM=8
 MODEL_PATH="/ephemeral/hao.zhang/outputfolder/ckptfolder/mochi_diffuser"
-MOCHI_DIR="/ephemeral/hao.zhang/resourcefolder/mochi/mochi-1-preview"
 DATA_MERGE_PATH="/ephemeral/hao.zhang/resourcefolder/Mochi-Synthetic-Data-BW-Finetune/merge.txt"
 OUTPUT_DIR="./data/BW-Finetune-Synthetic-Data_test"
 
@@ -12,7 +11,7 @@ torchrun --nproc_per_node=$GPU_NUM \
     --train_batch_size=1 \
     --max_height=480 \
     --max_width=848 \
-    --target_length=163 \
+    --num_frames=163 \
     --dataloader_num_workers 1 \
     --output_dir=$OUTPUT_DIR