You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
Enso-Bot/venv/Lib/site-packages/ffmpeg/video.py

303 lines
8.3 KiB
Python

5 years ago
#!/usr/local/bin/python3
# module sys
import subprocess
def ins_img(input_file, img_data, out_file):
try:
if len(img_data) <= 0:
return False
img_list = []
img_list_str = " -i "
png_complex = []
complex_png_str = ","
for img in img_data:
if len(img["x"]) == 0:
img["x"] = "0"
if len(img["y"]) == 0:
img["y"] = "0"
img_list.append(img["img"])
if len(img["str_time"]) > 0:
if len(img["end_time"]) > 0:
cmp_str = "overlay=x=%s:y=%s:enable='if(gt(t,%s),lt(t,%s))'" % (img["x"], img["y"], img["str_time"], img["end_time"])
else:
cmp_str = "overlay=x=%s:y=%s:enable='if(gt(t,%s))'" % (img["x"], img["y"], img["str_time"])
else:
cmp_str = "overlay=x=%s:y=%s" % (img["x"], img["y"])
png_complex.append(cmp_str)
img_str_list = img_list_str.join(img_list)
complex_png_str = complex_png_str.join(png_complex)
cmd = "ffmpeg -i %s -i %s -filter_complex \"%s\" -y %s" % (input_file, img_str_list, complex_png_str, out_file)
res = subprocess.call(cmd, shell=True)
if res != 0:
return False
return True
except Exception:
return False
# 视频添加动图 gif apng
def ins_dynamic_img(input_file, img_data, out_file):
try:
if img_data["img"] == "":
return False
if img_data["x"] == "":
img_data["x"] = 0
if img_data["y"] == "":
img_data["y"] = 0
if img_data["str_time"] != "":
if img_data["end_time"] != "":
comp = "overlay=x=%s:y=%s:shortest=1:enable='if(gt(t,%s), lt(t,%s))'" % (img_data["x"], img_data["y"],
img_data["str_time"],
img_data["end_time"])
else:
comp = "overlay=x=%s:y=%s:shortest=1:enable='if(gt(t,%s)'" % (img_data["x"], img_data["y"],
img_data["str_time"])
else:
comp = "overlay=x=%s:y=%s:shortest=1"
cmd = "ffmpeg -i %s -ignore_loop 0 -i %s -filter_complex \"%s\" -y %s" % (input_file, img_data["img"], comp,
out_file)
res = subprocess.call(cmd, shell=True)
if res != 0:
return False
return True
except Exception:
return False
# 视频静音 分离音频流
def separate_audio(input_file, out_file):
try:
cmd = "ffmpeg -y -i %s -vcodec copy -an %s" % (input_file, out_file)
res = subprocess.call(cmd, shell=True)
if res != 0:
return False
return True
except Exception:
return False
# 视频静音 使用静音帧 为视频静音
def video_ins_mute_audio(input_file, mute_mp3_file, out_file):
try:
cmd = "ffmpeg -y -i %s -filter_complex '[1:0]apad' -shortest %s" % (input_file, mute_mp3_file, out_file)
res = subprocess.call(cmd, shell=True)
if res != 0:
return False
return True
except Exception:
return False
# 视频设置分辨率 及 码率
def trans_code(input_file, width, height, rate, out_file):
try:
cmd = "ffmpeg -y -i %s -s %sx%s -b %sk -acodec copy %s" % (input_file, width, height, rate, out_file)
res = subprocess.call(cmd, shell=True)
if res != 0:
return False
return True
except Exception:
return False
# 视频添加弹幕
def ins_barrage(input_file, barrage, out_file):
try:
if len(barrage) == 0:
return False
bag = []
bag_str = ", "
vf_str = ""
for val in barrage:
if val["fontsize"] == "":
val["fontsize"] = 40
if val["fontcolor"] == "":
val["fontcolor"] = "white"
if val["y"] == "":
val["y"] = "100"
if val["str_time"] == "":
val["str_time"] = 0
else:
val["str_time"] = int(val["str_time"])
if val["speet"] == "":
val["speet"] = 150
else:
val["speet"] = int(val["speet"])
txt = "drawtext=text='%s':fontcolor=%s:fontsize=%s:fontfile=%s:y=%s:x=w-(t-%d)*%d:enable='gte(t,%d)'" % (
val["context"],
val["fontcolor"],
val["fontsize"],
val["fontfile"],
val["y"],
val["str_time"],
val["speet"],
val["str_time"]
)
bag.append(txt)
vf_str = bag_str.join(bag)
cmd = "ffmpeg -y -i %s -vf \"%s\" %s" % (input_file, vf_str, out_file)
res = subprocess.call(cmd, shell=True)
if res != 0:
return False
return True
except Exception:
return False
# 调整视频速率 speed 小于 1 减速,大于 1 加速 1 等速
def playback_speed(input_file, speed, out_file):
try:
if speed == "":
speed = "1"
cmd = "ffmpeg -y -i %s -filter_complex \"setpts=PTS/%s\" %s" % (input_file, speed, out_file)
res = subprocess.call(cmd, shell=True)
if res != 0:
return False
return True
except Exception:
return False
# 视频倒放 ( 视频 + 音频 )
def a_v_reverse(input_file, out_file):
try:
cmd = "ffmpeg -y -i %s -vf vf reverse -af areverse %s " % (input_file, out_file)
res = subprocess.call(cmd, shell=True)
if res != 0:
return False
return True
except Exception:
return False
# 视频倒放 (视频)
def v_reverse(input_file, out_file):
try:
cmd = "ffmpeg -y -i %s -vf vf reverse %s " % (input_file, out_file)
res = subprocess.call(cmd, shell=True)
if res != 0:
return False
return True
except Exception:
return False
# 视频截取 截取 duration 时长的视频 从 str_second 开始截取
def v_intercept(input_file, str_second, duration, out_file):
try:
cmd = "ffmpeg -y -i %s -ss %s -t %s -f mp4 %s" % (input_file, str_second, duration, out_file)
res = subprocess.call(cmd, shell=True)
if res != 0:
return False
return True
except Exception:
return False
# 视频合并 严格模式 文件协议合并
def strict_v_merge(input_file, out_file):
try:
cmd = "ffmpeg -y -f concat -safe 0 -i %s -acodec copy %s" % (input_file, out_file)
res = subprocess.call(cmd, shell=True)
if res != 0:
return False
return True
except Exception:
return False
# 视频合并 有损模式 input_file_list = ["1.mp4", "2.ts", "3.flv"]
def damage_v_merge(input_file_list, out_file):
try:
if len(input_file_list) < 2:
return False
video = []
video_n = len(input_file_list)
video_str = " -i "
comp_list = []
comp_str = " "
i = 0
for val in input_file_list:
video.append(val)
v_str = "[%s:a][%s:v]" % (i, i)
comp_list.append(v_str)
i += 1
video_list = video_str.join(video)
com_list_str = comp_str.join(comp_list)
cmd = "ffmpeg -y -i %s -filter_complex \"%s concat=n=%d:v=1:a=1\" -vcodec h264_nvenc %s" % (
video_list,
com_list_str,
video_n,
out_file
)
res = subprocess.call(cmd, shell=True)
if res != 0:
return False
return True
except Exception:
return False
# 视频转 图片
def video_trans_img(input_file, out_path, img_prefix, category="png"):
try:
out_path = out_path.rstrip("/")
img = img_prefix + "_%d"
out_img = "%s/%s.%s" % (out_path, img, category)
cmd = "ffmpeg -i %s -f image2 %s" % (input_file, out_img)
res = subprocess.call(cmd, shell=True)
if res != 0:
return False
return True
except Exception:
return False