# 导入模块
import os
import pyJianYingDraft as draft
from pyJianYingDraft import Intro_type, Transition_type, trange

tutorial_asset_dir = os.path.join(os.path.dirname(__file__), 'readme_assets', 'tutorial')

# 创建剪映草稿
script = draft.Script_file(1080, 1080) # 1080x1080分辨率

# 添加一个音频轨道和一个视频轨道
script.add_track(draft.Track_type.audio).add_track(draft.Track_type.video)

# 从本地读取音视频素材和一个gif表情包
audio_material = draft.Audio_material(os.path.join(tutorial_asset_dir, 'audio.mp3'))
video_material = draft.Video_material(os.path.join(tutorial_asset_dir, 'video.mp4'))
sticker_material = draft.Video_material(os.path.join(tutorial_asset_dir, 'sticker.gif'))
script.add_material(audio_material).add_material(video_material).add_material(sticker_material) # 随手添加素材是好习惯

# 创建音频片段
audio_segment = draft.Audio_segment(audio_material,
                                    trange("0s", "5s"), # 片段将位于轨道上的0s-5s
                                    volume=0.6)         # 音量设置为60%(-4.4dB)
audio_segment.add_fade("1s", "0s")                      # 增加一个1s的淡入

# 创建视频片段
video_segment = draft.Video_segment(video_material, trange("0s", "4.2s")) # 片段将位于轨道上的0s-4.2s（取素材前4.2s内容）
video_segment.add_animation(Intro_type.斜切)                              # 添加一个入场动画“斜切”

sticker_segment = draft.Video_segment(sticker_material,
                                      trange(video_segment.end, sticker_material.duration)) # 紧跟上一片段，长度与gif一致

# 为二者添加一个转场
video_segment.add_transition(Transition_type.信号故障) # 注意转场添加在“前一个”视频片段上

# 将各片段添加到轨道中
script.add_segment(audio_segment).add_segment(video_segment).add_segment(sticker_segment)

# 保存草稿
script.dump("*你的草稿工程文件夹*/draft_content.json")

import pyJianYingDraft as draft
from pyJianYingDraft import SEC, tim, trange

# 1秒钟
assert 1000000 == SEC == tim("1s") == tim("0.01666667m")

# 0~1分钟
assert draft.Timerange(0, 60*SEC) == trange("0s", "1m") == trange("0s", "0.5m30s")

# 片段开始后2秒
seg: draft.Video_segment
assert seg.target_timerange.start + 2*SEC == seg.target_timerange.start + tim("2s")

import os
import pyJianYingDraft as draft
from pyJianYingDraft import trange

# 创建草稿文件及三个轨道
script = draft.Script_file(1080, 1080)
for i in range(3, 0, -1): # 倒序
    script.add_track(draft.Track_type.video, "%d" % i)

# 读取视频素材
tutorial_asset_dir = os.path.join(os.path.dirname(__file__), 'readme_assets', 'tutorial')
mat = draft.Video_material(os.path.join(tutorial_asset_dir, 'video.mp4'))
script.add_material(mat) # 随手添加素材是好习惯

# 视频素材长度为 5s
print("Video material length: %f s" % (mat.duration / 1e6))

# 不指定source_timerange，则自动从头截取素材等长片段
seg11 = draft.Video_segment(mat, trange("0s", "4s"))             # 自动截取素材的前4秒
seg2  = draft.Video_segment(mat, trange("0s", "4s"), speed=1.25) # 自动截取素材的前4*1.25=5秒
seg4  = draft.Video_segment(mat, trange("0s", "3s"), speed=3.0)  # 截取前3*3.0=9秒，素材不够长故报错

# 指定source_timerange，则截取素材的指定片段，自动设置速度
seg12 = draft.Video_segment(mat, trange("4s", "1s"),
                            source_timerange=trange(0, "4s"))    # 将素材在1s内放完，速度自动设置为5.0

# 同时指定source_timerange和speed，则截取素材的指定片段，并根据播放速度覆盖target_timerange的duration
seg3  = draft.Video_segment(mat, trange("1s", "66666h"),
                            source_timerange=trange(0, "5s"),
                            speed=2.0) # 将长5s的素材按2倍速放完，target_timerange的duration自动设为2.5s

# 将片段加入轨道
script.add_segment(seg11, "1").add_segment(seg12, "1")
script.add_segment(seg2, "2")
script.add_segment(seg3, "3")

# 保存草稿
script.dump("*你的草稿工程文件夹*/draft_content.json")

from pyJianYingDraft import Clip_settings
video_segment = draft.Video_segment(video_material,
                                    draft.Timerange(0, video_material.duration),      # 与素材等长
                                    clip_settings=Clip_settings(alpha=0.5,            # 不透明度为0.5
                                                                flip_horizontal=True) # 打开水平翻转
                                    )

import os
import pyJianYingDraft as draft
from pyJianYingDraft import Keyframe_property, SEC

# 创建草稿及视频轨道
script = draft.Script_file(1080, 1080)
script.add_track(draft.Track_type.video)
tutorial_asset_dir = os.path.join(os.path.dirname(__file__), 'readme_assets', 'tutorial')

# 创建视频片段
video_material = draft.Video_material(os.path.join(tutorial_asset_dir, 'video.mp4'))
video_segment = draft.Video_segment(video_material,
                                    draft.Timerange(0, video_material.duration)) # 与素材等长

# 添加两个不透明度关键帧形成1s的淡出效果
video_segment.add_keyframe(Keyframe_property.alpha, video_segment.duration - SEC, 1.0) # 结束前1s完全不透明
video_segment.add_keyframe(Keyframe_property.alpha, video_segment.duration, 0.0) # 片段结束时完全透明

# 添加素材及片段
script.add_material(video_material)
script.add_segment(video_segment)

# 保存草稿
script.dump("*你的草稿工程文件夹*/draft_content.json")

audio_segment: draft.Audio_segment
audio_segment.add_keyframe("0s", 0.6) # 片段开始时的音量为60%

from pyJianYingDraft import Mask_type

# 添加一个线性蒙版，中心点在素材的(100, 0)像素处，顺时针旋转45度
video_segment1.add_mask(Mask_type.线性, center_x=100, rotation=45)
# 添加一个圆形蒙版，直径占素材的50%
video_segment2.add_mask(Mask_type.圆形, size=0.5)

assert Video_scene_effect_type.from_name("__全息 扫描__") == Video_scene_effect_type.全息扫描

from pyJianYingDraft import Video_scene_effect_type

video_segment.add_effect(Video_scene_effect_type.全息扫描,
                         [None, None, 100.0]) # 不设置前两个参数, 第三个参数（氛围）为100，其余参数也不设置

from pyJianYingDraft import Filter_type

video_segment1.add_filter(Filter_type.原生肤, 10) # 设置"原生肤"强度为10
video_segment2.add_filter(Filter_type.冰雪世界, 50) # 这会产生一个警告，因为"冰雪世界"不支持设置强度