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# Copyright (C) 2025 AIDC-AI
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Style configuration components for web UI (middle column)
"""
import os
import base64
from pathlib import Path
import streamlit as st
from loguru import logger
from web.i18n import tr, get_language
from web.utils.async_helpers import run_async
from web.utils.streamlit_helpers import check_and_warn_selfhost_workflow
from web.pipelines.api_workflows import (
list_api_media_workflows,
list_local_media_workflows,
render_api_video_controls,
workflow_select_help,
workflow_source_help,
workflow_source_label,
)
from pixelle_video.config import config_manager
def is_api_workflow(workflow_key: str | None) -> bool:
"""Return True for direct provider workflow keys such as api/dashscope/xxx."""
return bool(workflow_key and workflow_key.startswith("api/"))
def render_style_config(pixelle_video):
"""Render style configuration section (middle column)"""
# TTS Section (moved from left column)
# ====================================================================
with st.container(border=True):
st.markdown(f"**{tr('section.tts')}**")
with st.expander(tr("help.feature_description"), expanded=False):
st.markdown(f"**{tr('help.what')}**")
st.markdown(tr("tts.what"))
st.markdown(f"**{tr('help.how')}**")
st.markdown(tr("tts.how"))
# Get TTS config
comfyui_config = config_manager.get_comfyui_config()
tts_config = comfyui_config["tts"]
# Inference mode selection
tts_mode = st.radio(
tr("tts.inference_mode"),
["local", "comfyui"],
horizontal=True,
format_func=lambda x: tr(f"tts.mode.{x}"),
index=0 if tts_config.get("inference_mode", "local") == "local" else 1,
key="tts_inference_mode"
)
# Show hint based on mode
if tts_mode == "local":
st.caption(tr("tts.mode.local_hint"))
else:
st.caption(tr("tts.mode.comfyui_hint"))
# ================================================================
# Local Mode UI
# ================================================================
if tts_mode == "local":
# Import voice configuration
from pixelle_video.tts_voices import EDGE_TTS_VOICES, get_voice_display_name
# Get saved voice from config
local_config = tts_config.get("local", {})
saved_voice = local_config.get("voice", "zh-CN-YunjianNeural")
saved_speed = local_config.get("speed", 1.2)
# Build voice options with i18n
voice_options = []
voice_ids = []
default_voice_index = 0
for idx, voice_config in enumerate(EDGE_TTS_VOICES):
voice_id = voice_config["id"]
display_name = get_voice_display_name(voice_id, tr, get_language())
voice_options.append(display_name)
voice_ids.append(voice_id)
# Set default index if matches saved voice
if voice_id == saved_voice:
default_voice_index = idx
# Two-column layout: Voice | Speed
voice_col, speed_col = st.columns([1, 1])
with voice_col:
# Voice selector
selected_voice_display = st.selectbox(
tr("tts.voice_selector"),
voice_options,
index=default_voice_index,
key="tts_local_voice"
)
# Get actual voice ID
selected_voice_index = voice_options.index(selected_voice_display)
selected_voice = voice_ids[selected_voice_index]
with speed_col:
# Speed slider
tts_speed = st.slider(
tr("tts.speed"),
min_value=0.5,
max_value=2.0,
value=saved_speed,
step=0.1,
format="%.1fx",
key="tts_local_speed"
)
st.caption(tr("tts.speed_label", speed=f"{tts_speed:.1f}"))
# Variables for video generation
tts_workflow_key = None
ref_audio_path = None
# ================================================================
# ComfyUI Mode UI
# ================================================================
else: # comfyui mode
# Get available TTS workflows
tts_workflows = pixelle_video.tts.list_workflows()
# Build options for selectbox
tts_workflow_options = [wf["display_name"] for wf in tts_workflows]
tts_workflow_keys = [wf["key"] for wf in tts_workflows]
# Default to saved workflow if exists
default_tts_index = 0
saved_tts_workflow = tts_config.get("comfyui", {}).get("default_workflow")
if saved_tts_workflow and saved_tts_workflow in tts_workflow_keys:
default_tts_index = tts_workflow_keys.index(saved_tts_workflow)
tts_workflow_display = st.selectbox(
"TTS Workflow",
tts_workflow_options if tts_workflow_options else ["No TTS workflows found"],
index=default_tts_index,
label_visibility="collapsed",
key="tts_workflow_select"
)
# Get the actual workflow key
if tts_workflow_options:
tts_selected_index = tts_workflow_options.index(tts_workflow_display)
tts_workflow_key = tts_workflow_keys[tts_selected_index]
else:
tts_workflow_key = "selfhost/tts_edge.json" # fallback
# Check and warn for selfhost TTS workflow (auto popup if not confirmed)
check_and_warn_selfhost_workflow(tts_workflow_key)
# Reference audio upload (optional, for voice cloning)
ref_audio_file = st.file_uploader(
tr("tts.ref_audio"),
type=["mp3", "wav", "flac", "m4a", "aac", "ogg"],
help=tr("tts.ref_audio_help"),
key="ref_audio_upload"
)
# Save uploaded ref_audio to temp file if provided
ref_audio_path = None
if ref_audio_file is not None:
# Audio preview player (directly play uploaded file)
st.audio(ref_audio_file)
# Save to temp directory
temp_dir = Path("temp")
temp_dir.mkdir(exist_ok=True)
ref_audio_path = temp_dir / f"ref_audio_{ref_audio_file.name}"
with open(ref_audio_path, "wb") as f:
f.write(ref_audio_file.getbuffer())
# Variables for video generation
selected_voice = None
tts_speed = None
# ================================================================
# TTS Preview (works for both modes)
# ================================================================
with st.expander(tr("tts.preview_title"), expanded=False):
# Preview text input
preview_text = st.text_input(
tr("tts.preview_text"),
value="大家好,这是一段测试语音。",
placeholder=tr("tts.preview_text_placeholder"),
key="tts_preview_text"
)
# Preview button
if st.button(tr("tts.preview_button"), key="preview_tts", use_container_width=True):
with st.spinner(tr("tts.previewing")):
try:
# Build TTS params based on mode
tts_params = {
"text": preview_text,
"inference_mode": tts_mode
}
if tts_mode == "local":
tts_params["voice"] = selected_voice
tts_params["speed"] = tts_speed
else: # comfyui
tts_params["workflow"] = tts_workflow_key
if ref_audio_path:
tts_params["ref_audio"] = str(ref_audio_path)
audio_path = run_async(pixelle_video.tts(**tts_params))
# Play the audio
if audio_path:
st.success(tr("tts.preview_success"))
if os.path.exists(audio_path):
st.audio(audio_path, format="audio/mp3")
elif audio_path.startswith('http'):
st.audio(audio_path)
else:
st.error("Failed to generate preview audio")
# Show file path
st.caption(f"📁 {audio_path}")
else:
st.error("Failed to generate preview audio")
except Exception as e:
st.error(tr("tts.preview_failed", error=str(e)))
logger.exception(e)
# ====================================================================
# Storyboard Template Section
# ====================================================================
def get_template_preview_path(template_path: str, language: str = "zh_CN") -> str:
"""
Get the preview image path for a template based on language.
Args:
template_path: Template path like "1080x1920/image_default.html"
language: Language code, either "zh_CN" or "en"
Returns:
Path to preview image in docs/images/
"""
# Extract size and template name from path
# e.g., "1080x1920/image_default.html" -> size="1080x1920", name="image_default"
path_parts = template_path.split('/')
if len(path_parts) >= 2:
size = path_parts[0] # e.g., "1080x1920"
template_file = path_parts[1] # e.g., "image_default.html"
template_name = template_file.replace('.html', '') # e.g., "image_default"
# Build preview image path
# Format: docs/images/{size}/{template_name}.jpg or {template_name}_en.jpg
# Chinese uses Chinese preview, all other languages use English preview for better i18n
suffix = "" if language == "zh_CN" else "_en"
# Try different image extensions
for ext in ['.jpg', '.png']:
preview_path = f"docs/images/{size}/{template_name}{suffix}{ext}"
if os.path.exists(preview_path):
return preview_path
# Fallback: try without language suffix (for templates with only one version)
for ext in ['.jpg', '.png']:
preview_path = f"docs/images/{size}/{template_name}{ext}"
if os.path.exists(preview_path):
return preview_path
# If no preview found, return empty string
return ""
with st.container(border=True):
st.markdown(f"**{tr('section.template')}**")
with st.expander(tr("help.feature_description"), expanded=False):
st.markdown(f"**{tr('help.what')}**")
st.markdown(tr("template.what"))
st.markdown(f"**{tr('help.how')}**")
st.markdown(tr("template.how"))
# Template preview link (based on language)
current_lang = get_language()
# Import template utilities
from pixelle_video.utils.template_util import get_templates_grouped_by_size_and_type, get_template_type
# Template type selector
st.markdown(f"**{tr('template.type_selector')}**")
template_type_options = {
'static': tr('template.type.static'),
'image': tr('template.type.image'),
'video': tr('template.type.video'),
}
# Radio buttons in horizontal layout
selected_template_type = st.radio(
tr('template.type_selector'),
options=list(template_type_options.keys()),
format_func=lambda x: template_type_options[x],
index=1, # Default to 'image'
key="template_type_selector",
label_visibility="collapsed",
horizontal=True
)
# Display hint based on selected type (below radio buttons)
if selected_template_type == 'static':
st.info(tr('template.type.static_hint'))
elif selected_template_type == 'image':
st.info(tr('template.type.image_hint'))
elif selected_template_type == 'video':
st.info(tr('template.type.video_hint'))
# Get templates grouped by size, filtered by selected type
grouped_templates = get_templates_grouped_by_size_and_type(selected_template_type)
if not grouped_templates:
st.warning(f"No {template_type_options[selected_template_type]} templates found. Please select a different type or add templates.")
st.stop()
# Build orientation i18n mapping
ORIENTATION_I18N = {
'portrait': tr('orientation.portrait'),
'landscape': tr('orientation.landscape'),
'square': tr('orientation.square')
}
# Get default template from config
template_config = pixelle_video.config.get("template", {})
config_default_template = template_config.get("default_template", "1080x1920/image_default.html")
# Backward compatibility
if config_default_template == "1080x1920/default.html":
config_default_template = "1080x1920/image_default.html"
# Determine type-specific default template
type_default_templates = {
'static': '1080x1920/static_default.html',
'image': '1080x1920/image_default.html',
'video': '1080x1920/video_default.html',
}
type_specific_default = type_default_templates.get(selected_template_type, config_default_template)
# Initialize selected template in session state if not exists
if 'selected_template' not in st.session_state:
st.session_state['selected_template'] = type_specific_default
# Track last selected template type to detect type changes
last_template_type = st.session_state.get('last_template_type', None)
if last_template_type != selected_template_type:
# Template type changed, reset to type-specific default
st.session_state['selected_template'] = type_specific_default
st.session_state['last_template_type'] = selected_template_type
# Collect size groups and prepare tabs
size_groups = []
size_labels = []
for size, templates in grouped_templates.items():
if not templates:
continue
# Filter templates to only include those with proper naming convention
# Only show templates starting with static_, image_, or video_
valid_templates = []
for template in templates:
template_name = template.display_info.name
if template_name.startswith(('static_', 'image_', 'video_')):
valid_templates.append(template)
# Skip if no valid templates after filtering
if not valid_templates:
continue
# Separate templates into two groups: with preview and without preview
templates_with_preview = []
templates_without_preview = []
for template in valid_templates:
preview_path = get_template_preview_path(template.template_path, current_lang)
if preview_path and os.path.exists(preview_path):
templates_with_preview.append(template)
else:
templates_without_preview.append(template)
# Skip this group if no templates at all
if not templates_with_preview and not templates_without_preview:
continue
# Combine: templates with preview first, then without preview
all_templates = templates_with_preview + templates_without_preview
# Get orientation from first template in group
orientation = ORIENTATION_I18N.get(
all_templates[0].display_info.orientation,
all_templates[0].display_info.orientation
)
width = all_templates[0].display_info.width
height = all_templates[0].display_info.height
# Create tab label
tab_label = f"{orientation} {width}×{height}"
size_labels.append(tab_label)
size_groups.append(all_templates)
# Create tabs for each size group (wrapped in expander)
with st.expander(tr("template.gallery_view"), expanded=True):
if size_groups:
tabs = st.tabs(size_labels)
for tab, all_templates in zip(tabs, size_groups):
with tab:
# Create grid layout (5 columns)
num_cols = 5
cols = st.columns(num_cols)
for idx, template in enumerate(all_templates):
col_idx = idx % num_cols
with cols[col_idx]:
# Get preview image path
preview_path = get_template_preview_path(template.template_path, current_lang)
# Display preview image or placeholder
if preview_path and os.path.exists(preview_path):
st.image(preview_path, use_container_width=True)
else:
# Placeholder for templates without preview (fixed height, compact layout)
st.markdown(
f"""
<div style="
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
height: 150px;
display: flex;
align-items: center;
justify-content: center;
text-align: center;
border-radius: 8px;
color: white;
margin-bottom: 15px;
padding: 10px;
">
<div style="
font-size: 14px;
opacity: 0.95;
overflow: hidden;
text-overflow: ellipsis;
display: -webkit-box;
-webkit-line-clamp: 5;
-webkit-box-orient: vertical;
word-break: break-all;
">{template.display_info.name}</div>
</div>
""",
unsafe_allow_html=True
)
# Select button (unified label)
is_selected = (st.session_state['selected_template'] == template.template_path)
button_label = f"{tr('template.selected')}" if is_selected else tr('template.select_button')
button_type = "primary" if is_selected else "secondary"
if st.button(
button_label,
key=f"template_{template.template_path}",
use_container_width=True,
type=button_type,
):
st.session_state['selected_template'] = template.template_path
st.rerun()
else:
st.warning(tr("template.no_templates_with_preview"))
# Display selected template name (inside expander, below tabs)
frame_template = st.session_state['selected_template']
# Find the selected template's display name
selected_template_name = None
for size, templates in grouped_templates.items():
for template in templates:
if template.template_path == frame_template:
selected_template_name = template.display_info.name
break
if selected_template_name:
break
if selected_template_name:
st.info(f"📋 {tr('template.selected_template')}: **{selected_template_name}**")
# Display video size from template
from pixelle_video.utils.template_util import parse_template_size
video_width, video_height = parse_template_size(frame_template)
st.caption(tr("template.video_size_info", width=video_width, height=video_height))
# Custom template parameters (for video generation)
from pixelle_video.services.frame_html import HTMLFrameGenerator
# Resolve template path to support both data/templates/ and templates/
from pixelle_video.utils.template_util import resolve_template_path
template_path_for_params = resolve_template_path(frame_template)
generator_for_params = HTMLFrameGenerator(template_path_for_params)
custom_params_for_video = generator_for_params.parse_template_parameters()
# Get media size from template (for image/video generation)
media_width, media_height = generator_for_params.get_media_size()
st.session_state['template_media_width'] = media_width
st.session_state['template_media_height'] = media_height
# Detect template media type
from pixelle_video.utils.template_util import get_template_type
template_name = Path(frame_template).name
template_media_type = get_template_type(template_name)
template_requires_media = (template_media_type in ["image", "video"])
# Store in session state for workflow filtering
st.session_state['template_media_type'] = template_media_type
st.session_state['template_requires_media'] = template_requires_media
# Backward compatibility
st.session_state['template_requires_image'] = (template_media_type == "image")
custom_values_for_video = {}
if custom_params_for_video:
st.markdown("📝 " + tr("template.custom_parameters"))
# Render custom parameter inputs in 2 columns
video_custom_col1, video_custom_col2 = st.columns(2)
param_items = list(custom_params_for_video.items())
mid_point = (len(param_items) + 1) // 2
# Left column parameters
with video_custom_col1:
for param_name, config in param_items[:mid_point]:
param_type = config['type']
default = config['default']
label = config['label']
if param_type == 'text':
custom_values_for_video[param_name] = st.text_input(
label,
value=default,
key=f"video_custom_{param_name}"
)
elif param_type == 'number':
custom_values_for_video[param_name] = st.number_input(
label,
value=default,
key=f"video_custom_{param_name}"
)
elif param_type == 'color':
custom_values_for_video[param_name] = st.color_picker(
label,
value=default,
key=f"video_custom_{param_name}"
)
elif param_type == 'bool':
custom_values_for_video[param_name] = st.checkbox(
label,
value=default,
key=f"video_custom_{param_name}"
)
# Right column parameters
with video_custom_col2:
for param_name, config in param_items[mid_point:]:
param_type = config['type']
default = config['default']
label = config['label']
if param_type == 'text':
custom_values_for_video[param_name] = st.text_input(
label,
value=default,
key=f"video_custom_{param_name}"
)
elif param_type == 'number':
custom_values_for_video[param_name] = st.number_input(
label,
value=default,
key=f"video_custom_{param_name}"
)
elif param_type == 'color':
custom_values_for_video[param_name] = st.color_picker(
label,
value=default,
key=f"video_custom_{param_name}"
)
elif param_type == 'bool':
custom_values_for_video[param_name] = st.checkbox(
label,
value=default,
key=f"video_custom_{param_name}"
)
# Template preview expander
with st.expander(tr("template.preview_title"), expanded=False):
col1, col2 = st.columns(2)
with col1:
preview_title = st.text_input(
tr("template.preview_param_title"),
value=tr("template.preview_default_title"),
key="preview_title"
)
preview_image = st.text_input(
tr("template.preview_param_image"),
value="resources/example.png",
help=tr("template.preview_image_help"),
key="preview_image"
)
with col2:
preview_text = st.text_area(
tr("template.preview_param_text"),
value=tr("template.preview_default_text"),
height=100,
key="preview_text"
)
# Info: Size is auto-determined from template
from pixelle_video.utils.template_util import parse_template_size, resolve_template_path
template_width, template_height = parse_template_size(resolve_template_path(frame_template))
st.info(f"📐 {tr('template.size_info')}: {template_width} × {template_height}")
# Preview button
if st.button(tr("template.preview_button"), key="btn_preview_template", use_container_width=True):
with st.spinner(tr("template.preview_generating")):
try:
from pixelle_video.services.frame_html import HTMLFrameGenerator
# Use the currently selected template (size is auto-parsed)
from pixelle_video.utils.template_util import resolve_template_path
template_path = resolve_template_path(frame_template)
generator = HTMLFrameGenerator(template_path)
# Build ext dict with auto-injected parameters (same as FrameProcessor)
ext = {
"index": 1, # Preview uses index 1
}
# Add custom parameters from user input
if custom_values_for_video:
ext.update(custom_values_for_video)
# Generate preview
preview_path = run_async(generator.generate_frame(
title=preview_title,
text=preview_text,
image=preview_image,
ext=ext
))
# Display preview
if preview_path:
st.success(tr("template.preview_success"))
st.image(
preview_path,
caption=tr("template.preview_caption", template=frame_template),
)
# Show file path
st.caption(f"📁 {preview_path}")
else:
st.error("Failed to generate preview")
except Exception as e:
st.error(tr("template.preview_failed", error=str(e)))
logger.exception(e)
# ====================================================================
# Media Generation Section (conditional based on template)
# ====================================================================
# Check if current template requires media generation
template_media_type = st.session_state.get('template_media_type', 'image')
template_requires_media = st.session_state.get('template_requires_media', True)
api_video_params = {}
if template_requires_media:
comfyui_config = config_manager.get_comfyui_config()
media_width = st.session_state.get('template_media_width')
media_height = st.session_state.get('template_media_height')
media_config_key = "video" if template_media_type == "video" else "image"
saved_workflow = comfyui_config.get(media_config_key, {}).get("default_workflow") or ""
workflow_key = None
with st.container(border=True):
section_title = tr('section.video') if template_media_type == "video" else tr('section.image')
st.markdown(f"**{section_title}**")
# 1. ComfyUI Workflow selection
with st.expander(tr("help.feature_description"), expanded=False):
st.markdown(f"**{tr('help.what')}**")
if template_media_type == "video":
st.markdown(tr("style.video_workflow_what"))
else:
st.markdown(tr("style.workflow_what"))
st.markdown(f"**{tr('help.how')}**")
if template_media_type == "video":
st.markdown(tr("style.video_workflow_how"))
else:
st.markdown(tr("style.workflow_how"))
source_options = ["runninghub", "selfhost", "api"]
default_source_index = 0
for index, source in enumerate(source_options):
if saved_workflow.startswith(f"{source}/"):
default_source_index = index
break
source_key = "standard_video_workflow_source" if template_media_type == "video" else "standard_image_workflow_source"
workflow_source = st.radio(
"生成来源" if get_language() == "zh_CN" else "Generation source",
source_options,
index=default_source_index,
format_func=workflow_source_label,
horizontal=True,
key=source_key,
help=workflow_source_help("快速创作媒体生成" if get_language() == "zh_CN" else "Quick Create media generation"),
)
if workflow_source == "api":
if template_media_type == "video":
workflows = list_api_media_workflows(
pixelle_video,
"video",
required_adapter_abilities=["text_to_video"],
verified_only=True,
)
else:
workflows = list_api_media_workflows(pixelle_video, "image")
elif template_media_type == "video":
workflows = list_local_media_workflows(
pixelle_video,
"video",
workflow_source,
key_contains="video_",
)
else:
workflows = list_local_media_workflows(pixelle_video, "image", workflow_source)
# Build options for selectbox
# Display: "image_flux.json - Runninghub"
# Value: "runninghub/image_flux.json"
workflow_options = [wf["display_name"] for wf in workflows]
workflow_keys = [wf["key"] for wf in workflows]
# Default to first option (should be runninghub by sorting)
default_workflow_index = 0
# If user has a saved preference in config, try to match it
if saved_workflow and saved_workflow in workflow_keys:
default_workflow_index = workflow_keys.index(saved_workflow)
workflow_display = st.selectbox(
"Workflow" if workflow_source != "api" else ("API 模型" if get_language() == "zh_CN" else "API model"),
workflow_options if workflow_options else ["No workflows found"],
index=default_workflow_index,
label_visibility="visible",
key=f"{source_key}_select",
help=workflow_select_help(),
)
# Get the actual workflow key (e.g., "runninghub/image_flux.json")
if workflow_options:
workflow_selected_index = workflow_options.index(workflow_display)
workflow_key = workflow_keys[workflow_selected_index]
workflow_info = workflows[workflow_selected_index]
else:
workflow_key = None
workflow_info = None
if workflow_source == "api" and template_media_type == "video":
st.warning(
"没有找到已验证的 API 文生视频模型,请先配置 DashScope/Seedance 等提供商,或切换到本地/RunningHub 工作流。"
if get_language() == "zh_CN"
else "No verified API text-to-video model found. Configure a provider or switch to local/RunningHub workflows."
)
else:
st.warning(
"当前来源下没有可用工作流。"
if get_language() == "zh_CN"
else "No workflow is available for the selected source."
)
# Check and warn for selfhost media workflow (auto popup if not confirmed)
if workflow_key and not is_api_workflow(workflow_key):
check_and_warn_selfhost_workflow(workflow_key)
# Display media size info (read-only)
if template_media_type == "video":
size_info_text = tr('style.video_size_info', width=media_width, height=media_height)
else:
size_info_text = tr('style.image_size_info', width=media_width, height=media_height)
st.info(f"📐 {size_info_text}")
if template_media_type == "video" and media_width and media_height:
default_video_ratio = "1:1" if media_width == media_height else ("9:16" if media_height > media_width else "16:9")
else:
default_video_ratio = "9:16"
if template_media_type == "video" and is_api_workflow(workflow_key):
api_video_params = render_api_video_controls(
workflow_info,
key_prefix="standard_video",
default_duration=5,
allow_audio_driven=False,
show_duration=False,
default_ratio=default_video_ratio,
)
# Prompt prefix input
# Get current prompt_prefix from config (based on media type)
current_prefix = comfyui_config.get(media_config_key, {}).get("prompt_prefix", "")
# Prompt prefix input (temporary, not saved to config)
prompt_prefix = st.text_area(
tr('style.prompt_prefix'),
value=current_prefix,
placeholder=tr("style.prompt_prefix_placeholder"),
height=80,
label_visibility="visible",
help=tr("style.prompt_prefix_help")
)
# Media preview expander
preview_title = tr("style.video_preview_title") if template_media_type == "video" else tr("style.preview_title")
with st.expander(preview_title, expanded=False):
# Test prompt input
test_prompt_label = tr("style.test_video_prompt") if template_media_type == "video" else tr("style.test_prompt")
test_prompt_value = "a peaceful lake, gentle camera movement" if template_media_type == "video" else "a dog"
test_prompt = st.text_input(
test_prompt_label,
value=test_prompt_value,
help=tr("style.test_prompt_help"),
key="style_test_prompt"
)
# Preview button
preview_button_label = tr("style.video_preview") if template_media_type == "video" else tr("style.preview")
if st.button(preview_button_label, key="preview_style", use_container_width=True):
if not workflow_key:
st.error(
"请先选择可用的工作流或模型。"
if get_language() == "zh_CN"
else "Please select an available workflow or model first."
)
st.stop()
previewing_text = tr("style.video_previewing") if template_media_type == "video" else tr("style.previewing")
with st.spinner(previewing_text):
try:
from pixelle_video.utils.prompt_helper import build_image_prompt
# Build final prompt with prefix
final_prompt = build_image_prompt(test_prompt, prompt_prefix)
preview_params = dict(api_video_params) if template_media_type == "video" else {}
# Generate preview media with the selected source only.
media_result = run_async(pixelle_video.media(
prompt=final_prompt,
workflow=workflow_key,
media_type=template_media_type,
width=int(media_width),
height=int(media_height),
duration=5 if template_media_type == "video" else None,
**preview_params,
))
preview_media_path = media_result.url
# Display preview (support both URL and local path)
if preview_media_path:
success_text = tr("style.video_preview_success") if template_media_type == "video" else tr("style.preview_success")
st.success(success_text)
if template_media_type == "video":
st.video(preview_media_path)
else:
if preview_media_path.startswith('http'):
# URL - use directly
img_html = f'<div class="preview-image"><img src="{preview_media_path}" alt="Style Preview"/></div>'
else:
# Local file - encode as base64
with open(preview_media_path, 'rb') as f:
img_data = base64.b64encode(f.read()).decode()
img_html = f'<div class="preview-image"><img src="data:image/png;base64,{img_data}" alt="Style Preview"/></div>'
st.markdown(img_html, unsafe_allow_html=True)
# Show the final prompt used
st.info(f"**{tr('style.final_prompt_label')}**\n{final_prompt}")
# Show file path
st.caption(f"📁 {preview_media_path}")
else:
st.error(tr("style.preview_failed_general"))
except Exception as e:
st.error(tr("style.preview_failed", error=str(e)))
logger.exception(e)
else:
# Template doesn't need images - show simplified message
with st.container(border=True):
st.markdown(f"**{tr('section.image')}**")
st.info("️ " + tr("image.not_required"))
st.caption(tr("image.not_required_hint"))
# Get media size from template (even though not used, for consistency)
media_width = st.session_state.get('template_media_width')
media_height = st.session_state.get('template_media_height')
# Set default values for later use
workflow_key = None
prompt_prefix = ""
# Return all style configuration parameters
final_media_workflow = workflow_key
return {
"tts_inference_mode": tts_mode,
"tts_voice": selected_voice if tts_mode == "local" else None,
"tts_speed": tts_speed if tts_mode == "local" else None,
"tts_workflow": tts_workflow_key if tts_mode == "comfyui" else None,
"ref_audio": str(ref_audio_path) if ref_audio_path else None,
"frame_template": frame_template,
"template_params": custom_values_for_video if custom_values_for_video else None,
"media_workflow": final_media_workflow,
"api_video_params": api_video_params if template_media_type == "video" else None,
"prompt_prefix": prompt_prefix if prompt_prefix else "",
"media_width": media_width,
"media_height": media_height
}