def libvlc_video_set_callbacks(self,
_lockcb,
_display,
_unLockcb=None,
_opaque=None):
vlc.libvlc_video_set_callbacks(self.media, _lockcb, _unLockcb,
_display, None)
def read_video_vlc(dq, rtsp_addr):
vlcInstance = vlc.Instance()
# 机场内
# m = vlcInstance.media_new("")
# 机场外
# 记得换url,最好也和上面一样进行测试一下
# url = "rtsp://demo.easydss.com:10554/200825"
# url = "rtsp://demo.easydss.com:10554/aidong_demo"
# url = "rtsp://*****:*****@192.168.199.220/Streaming/Channels/1"
url = rtsp_addr
m = vlcInstance.media_new(url)
mp = vlc.libvlc_media_player_new_from_media(m)
# ***如果显示不完整，调整以下宽度和高度的值来适应不同分辨率的图像***
video_width = 1280
video_height = 720
size = video_width * video_height * 4
buf = (ctypes.c_ubyte * size)()
buf_p = ctypes.cast(buf, ctypes.c_void_p)
VideoLockCb = ctypes.CFUNCTYPE(ctypes.c_void_p, ctypes.c_void_p,
ctypes.POINTER(ctypes.c_void_p))
@VideoLockCb
def _lockcb(opaque, planes):
# print("lock", file=sys.stderr)
planes[0] = buf_p
@vlc.CallbackDecorators.VideoDisplayCb
def _display(opaque, picture):
img = Image.frombuffer("RGBA", (video_width, video_height), buf, "raw",
"BGRA", 0, 1)
opencv_image = cv2.cvtColor(np.array(img), cv2.COLOR_RGB2BGR)
print(opencv_image.shape)
# print(np.mean(opencv_image))
if type(img) == type(None):
print("=====read viedo error!")
else:
dq.append(opencv_image)
# dq.append(opencv_image)
# cv2.imshow('image', opencv_image)
# cv2.waitKey(50)
vlc.libvlc_video_set_callbacks(mp, _lockcb, None, _display, None)
mp.video_set_format("BGRA", video_width, video_height, video_width * 4)
while True:
mp.play()
time.sleep(1)
def run(src, shape):
"""
init VLC media player
:param src:
:param shape:
:return:
"""
global VIDEOHEIGHT, VIDEOWIDTH, buf, buf_p, RUN
VIDEOWIDTH = shape[1]
VIDEOHEIGHT = shape[0]
size = VIDEOHEIGHT * VIDEOWIDTH * 4
buf = (ctypes.c_ubyte * size)()
buf_p = ctypes.cast(buf, ctypes.c_void_p)
vlcInstance = vlc.Instance()
m = vlcInstance.media_new(src)
mp = vlc.libvlc_media_player_new_from_media(m)
vlc.libvlc_video_set_callbacks(mp, _lockcb, None, put_queue, None)
mp.video_set_format("RGBA", VIDEOWIDTH, VIDEOHEIGHT, VIDEOWIDTH * 4)
mp.play()
def video_audio_merge_single(self, a):
# 删除上一次合成文件
File.del_file_subfix("../data/", ['mp4', 'mp3'])
# 等待下载完成
while self.video_down_state == False or self.audio_down_state == False:
print("下载中...")
time.sleep(2)
if self.exit_flag:
return
self.label_audio.pack_forget()
# 合成视频
print('视频合成开始：', video_name)
self.label_video.config(text="合成中...")
time.sleep(1)
ffm = 'ffmpeg '
system = Util.get_platform()
if system == 'Windows':
# ffm = fr"{self.project_root}\src\3rdParty\ffmpeg_win\bin\ffmpeg.exe "
ffm = fr"{self.conf.read_val('LIB', 'lib_ffmpeg')} "
# command = ffm + '-i "{}.mp4" -i "{}.mp3" -vcodec copy -acodec copy "../data/tmp.mp4" -vf scale=320:240 \
# "../data/{}.mp4"'.format(
# 'tmp', 'tmp', video_name)
command = ffm + '-i "{}.mp4" -i "{}.mp3" -vcodec copy -acodec copy "../data/{}.mp4"'.format(
'tmp', 'tmp', video_name)
# subprocess.Popen(command, shell=True)
child = subprocess.Popen(command,
stderr=subprocess.PIPE,
universal_newlines=True,
shell=True)
# child.poll()判断子进程是否结束
while child.poll() is None:
line = child.stderr.readline().strip()
if self.exit_flag == True:
break
if line:
# 在此可以获取到ffmpeg每一次的信息输出
print(line)
# ffmpeg进程结束，关闭流
child.stderr.close()
print("视频合成结束：", video_name)
self.label_video.config(text="合成结束")
time.sleep(1)
os.remove(f'tmp.mp3')
os.remove(f'tmp.mp4')
# 隐藏控件
self.label_video.pack_forget()
# 显示视频帧
self._canvas.pack()
self._canvas.focus_set()
if self.exit_flag == False:
# 开启播放线程
# self.player.play(f'../data/{video_name}.mp4')
print('开始播放')
self.m = self.vlcInstance.media_new(f'../data/{video_name}.mp4')
self.mp = vlc.libvlc_media_player_new_from_media(self.m)
vlc.libvlc_video_set_callbacks(self.mp, self._lockcb, None,
self._display, None)
self.mp.video_set_format("BGRA", VIDEOWIDTH, VIDEOHEIGHT,
VIDEOWIDTH * 4)
while True:
if self.exit_flag:
self.mp.stop()
break
self.mp.play()
time.sleep(1)
print('退出播放线程')
img = cv2.CreateImage((VIDEO_WIDTH, VIDEO_HEIGHT), IPL_DEPTH_8U, 4)
img.imageData = videobuf
cv2.ShowImage(vlc.libvlc_get_version(), img)
cv2.WaitKey(10)
cv2.ReleaseImage(img)
def unlock(data, id, p_pixels):
assert id == None
if __name__ == '__main__':
vlc_args = ["-I", "dummy", "--ignore-config"]
arguments = [bytes(a, "utf-8") for a in vlc_args]
#videobuf = (char*)malloc((VIDEO_WIDTH * VIDEO_HEIGHT) << 2);
#memset(videobuf, 0, (VIDEO_WIDTH * VIDEO_HEIGHT) << 2);
instance = vlc.libvlc_new(len(arguments),
(ctypes.c_char_p * len(arguments))(*arguments))
media = vlc.libvlc_media_new_location(instance,
"rtsp://192.168.200.20:8554/test")
mediaPlayer = vlc.libvlc_media_player_new_from_media(media)
vlc.libvlc_media_release(media)
#libvlc_media_player_set_media(mediaPlayer, media)
vlc.libvlc_video_set_callbacks(mediaPlayer, lock, unlock, display, None)
vlc.libvlc_video_set_format(mediaPlayer, "RV32", VIDEO_WIDTH, VIDEO_HEIGHT,
VIDEO_WIDTH << 2)
vlc.libvlc_media_player_play(mediaPlayer)
def play(self, url, choose):
global allow1, allow2, allow3, allow4, allow5, allow6, allow7, allow8, allow9, allow10, allow11, allow12, allow13, allow14, allow15, allow16, allow17, allow18, allow19, allow20
vlcInstance = vlc.Instance()
m = vlcInstance.media_new(url)
self.mp = vlc.libvlc_media_player_new_from_media(m)
if choose == 1:
self.mp = vlc.libvlc_media_player_new_from_media(m)
vlc.libvlc_video_set_callbacks(self.mp, _lockcb1, None, _display1,
None)
allow1 = 1
if choose == 2:
self.mp = vlc.libvlc_media_player_new_from_media(m)
vlc.libvlc_video_set_callbacks(self.mp, _lockcb2, None, _display2,
None)
allow2 = 1
if choose == 3:
self.mp = vlc.libvlc_media_player_new_from_media(m)
vlc.libvlc_video_set_callbacks(self.mp, _lockcb3, None, _display3,
None)
allow3 = 1
if choose == 4:
self.mp = vlc.libvlc_media_player_new_from_media(m)
vlc.libvlc_video_set_callbacks(self.mp, _lockcb4, None, _display4,
None)
allow4 = 1
if choose == 5:
self.mp = vlc.libvlc_media_player_new_from_media(m)
vlc.libvlc_video_set_callbacks(self.mp, _lockcb5, None, _display5,
None)
allow5 = 1
if choose == 6:
vlc.libvlc_video_set_callbacks(self.mp, _lockcb6, None, _display6,
None)
allow6 = 1
if choose == 7:
vlc.libvlc_video_set_callbacks(self.mp, _lockcb7, None, _display7,
None)
allow7 = 1
if choose == 8:
vlc.libvlc_video_set_callbacks(self.mp, _lockcb8, None, _display8,
None)
allow8 = 1
if choose == 9:
vlc.libvlc_video_set_callbacks(self.mp, _lockcb9, None, _display9,
None)
allow9 = 1
if choose == 10:
vlc.libvlc_video_set_callbacks(self.mp, _lockcb10, None,
_display10, None)
allow10 = 1
if choose == 11:
vlc.libvlc_video_set_callbacks(self.mp, _lockcb11, None,
_display11, None)
allow11 = 1
if choose == 12:
vlc.libvlc_video_set_callbacks(self.mp, _lockcb12, None,
_display12, None)
allow12 = 1
if choose == 13:
vlc.libvlc_video_set_callbacks(self.mp, _lockcb13, None,
_display13, None)
allow13 = 1
if choose == 14:
vlc.libvlc_video_set_callbacks(self.mp, _lockcb14, None,
_display14, None)
allow14 = 1
if choose == 15:
vlc.libvlc_video_set_callbacks(self.mp, _lockcb15, None,
_display15, None)
allow15 = 1
if choose == 16:
vlc.libvlc_video_set_callbacks(self.mp, _lockcb16, None,
_display16, None)
allow16 = 1
if choose == 17:
vlc.libvlc_video_set_callbacks(self.mp, _lockcb17, None,
_display17, None)
allow17 = 1
if choose == 18:
vlc.libvlc_video_set_callbacks(self.mp, _lockcb18, None,
_display18, None)
allow18 = 1
if choose == 19:
vlc.libvlc_video_set_callbacks(self.mp, _lockcb19, None,
_display19, None)
allow19 = 1
if choose == 20:
vlc.libvlc_video_set_callbacks(self.mp, _lockcb20, None,
_display20, None)
allow20 = 1
self.mp.video_set_format("BGRA", VIDEOWIDTH, VIDEOHEIGHT,
VIDEOWIDTH * 4)
self.mp.play()