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• How to record the bluetooth audio from my phone in my pc using ffmpeg ?

  12 septembre 2023, par Juan Inzunza

  I have my phone connected via Bluetooth to my PC and playing audio in my phone so i can hear that audio in my pc and i was trying to record that audio in my PC using ffmpeg this is the command i got so far

  


  ffmpeg -f pulse -ac 1 -ar 44100 -i alsa_input.usb-KTMicro_KT_USB_Audio_2021-06-25-0000-0000-0000--00.mono-fallback -f pulse -ac 2 -ar 44100 -i bluez_source.84_5F_04_75_B9_F6.a2dp_source -filter_complex amix=inputs=2 -i /dev/video5 -s 640x480 -vcodec libx264 -preset veryfast -crf 18 -acodec libmp3lame -ar 44100 -q:a 1 -pix_fmt yuv420p -aq 0 ~/Videos


  


  "bluez_source.84_5F_04_75_B9_F6.a2dp_source" is the name of the bluetooth audio source (my phone) but the problem is, if i am not playing audio on the device, just disappears when i execute this command "pactl list sources", and appears again when i play audio, so is listed when i run "pactl list sources" and i have to keep the phone playing audio so ffmpeg recognizes that device and not fail when executed.

  


  Finally my question is how can i keep that device in running state or suspended state without need to play audio all the time.

  


  gandalf@Mordor:~$ pactl list sources
Source #64
    State: IDLE
    Name: alsa_output.usb-KTMicro_KT_USB_Audio_2021-06-25-0000-0000-0000--00.analog-stereo.monitor
    Description: Monitor of KT USB Audio Analog Stereo
    Driver: module-alsa-card.c
    Sample Specification: s16le 2ch 44100Hz
    Channel Map: front-left,front-right
    Owner Module: 85
    Mute: no
    Volume: front-left: 65536 / 100% / 0.00 dB,   front-right: 65536 / 100% / 0.00 dB
            balance 0.00
    Base Volume: 65536 / 100% / 0.00 dB
    Monitor of Sink: alsa_output.usb-KTMicro_KT_USB_Audio_2021-06-25-0000-0000-0000--00.analog-stereo
    Latency: 0 usec, configured 2000000 usec
    Flags: DECIBEL_VOLUME LATENCY 
    Properties:
        device.description = "Monitor of KT USB Audio Analog Stereo"
        device.class = "monitor"
        alsa.card = "1"
        alsa.card_name = "KT USB Audio"
        alsa.long_card_name = "KTMicro KT USB Audio at usb-0000:03:00.3-3, full speed"
        alsa.driver_name = "snd_usb_audio"
        device.bus_path = "pci-0000:03:00.3-usb-0:3:1.0"
        sysfs.path = "/devices/pci0000:00/0000:00:08.1/0000:03:00.3/usb1/1-3/1-3:1.0/sound/card1"
        udev.id = "usb-KTMicro_KT_USB_Audio_2021-06-25-0000-0000-0000--00"
        device.bus = "usb"
        device.vendor.id = "12d1"
        device.vendor.name = "Huawei Technologies Co., Ltd."
        device.product.id = "0010"
        device.product.name = "KT USB Audio"
        device.serial = "KTMicro_KT_USB_Audio_2021-06-25-0000-0000-0000-"
        device.string = "1"
        module-udev-detect.discovered = "1"
        device.icon_name = "audio-card-usb"
    Formats:
        pcm

Source #65
    State: SUSPENDED
    Name: alsa_input.usb-KTMicro_KT_USB_Audio_2021-06-25-0000-0000-0000--00.mono-fallback
    Description: KT USB Audio Mono
    Driver: module-alsa-card.c
    Sample Specification: s16le 1ch 44100Hz
    Channel Map: mono
    Owner Module: 85
    Mute: no
    Volume: mono: 65536 / 100% / 0.00 dB
            balance 0.00
    Base Volume: 65536 / 100% / 0.00 dB
    Monitor of Sink: n/a
    Latency: 0 usec, configured 0 usec
    Flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY 
    Properties:
        alsa.resolution_bits = "16"
        device.api = "alsa"
        device.class = "sound"
        alsa.class = "generic"
        alsa.subclass = "generic-mix"
        alsa.name = "USB Audio"
        alsa.id = "USB Audio"
        alsa.subdevice = "0"
        alsa.subdevice_name = "subdevice #0"
        alsa.device = "0"
        alsa.card = "1"
        alsa.card_name = "KT USB Audio"
        alsa.long_card_name = "KTMicro KT USB Audio at usb-0000:03:00.3-3, full speed"
        alsa.driver_name = "snd_usb_audio"
        device.bus_path = "pci-0000:03:00.3-usb-0:3:1.0"
        sysfs.path = "/devices/pci0000:00/0000:00:08.1/0000:03:00.3/usb1/1-3/1-3:1.0/sound/card1"
        udev.id = "usb-KTMicro_KT_USB_Audio_2021-06-25-0000-0000-0000--00"
        device.bus = "usb"
        device.vendor.id = "12d1"
        device.vendor.name = "Huawei Technologies Co., Ltd."
        device.product.id = "0010"
        device.product.name = "KT USB Audio"
        device.serial = "KTMicro_KT_USB_Audio_2021-06-25-0000-0000-0000-"
        device.string = "hw:1"
        device.buffering.buffer_size = "176400"
        device.buffering.fragment_size = "88200"
        device.access_mode = "mmap+timer"
        device.profile.name = "mono-fallback"
        device.profile.description = "Mono"
        device.description = "KT USB Audio Mono"
        module-udev-detect.discovered = "1"
        device.icon_name = "audio-card-usb"
    Ports:
        analog-input-mic: Microphone (type: Mic, priority: 8700, availability unknown)
    Active Port: analog-input-mic
    Formats:
        pcm

Source #68
    State: RUNNING
    Name: bluez_source.84_5F_04_75_B9_F6.a2dp_source
    Description: Juan's S20 FE
    Driver: module-bluez5-device.c
    Sample Specification: s16le 2ch 44100Hz
    Channel Map: front-left,front-right
    Owner Module: 23
    Mute: no
    Volume: front-left: 53151 /  81% / -5.46 dB,   front-right: 53151 /  81% / -5.46 dB
            balance 0.00
    Base Volume: 65536 / 100% / 0.00 dB
    Monitor of Sink: n/a
    Latency: 68928 usec, configured 68537 usec
    Flags: HARDWARE DECIBEL_VOLUME LATENCY 
    Properties:
        bluetooth.protocol = "a2dp_source"
        bluetooth.codec = "sbc"
        device.description = "Juan's S20 FE"
        device.string = "84:5F:04:75:B9:F6"
        device.api = "bluez"
        device.class = "sound"
        device.bus = "bluetooth"
        device.form_factor = "phone"
        bluez.path = "/org/bluez/hci0/dev_84_5F_04_75_B9_F6"
        bluez.class = "0x5a020c"
        bluez.alias = "Juan's S20 FE"
        device.icon_name = "audio-card-bluetooth"
    Ports:
        phone-input: Phone (type: Phone, priority: 0, available)
    Active Port: phone-input
    Formats:
        pcm


  


  This is the error i am getting when there's no playing audio in my phone.

  


  ffmpeg version 4.4.2-0ubuntu0.22.04.1 Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 11 (Ubuntu 11.2.0-19ubuntu1)
  configuration: --prefix=/usr --extra-version=0ubuntu0.22.04.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzimg --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-pocketsphinx --enable-librsvg --enable-libmfx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
  libavutil      56. 70.100 / 56. 70.100
  libavcodec     58.134.100 / 58.134.100
  libavformat    58. 76.100 / 58. 76.100
  libavdevice    58. 13.100 / 58. 13.100
  libavfilter     7.110.100 /  7.110.100
  libswscale      5.  9.100 /  5.  9.100
  libswresample   3.  9.100 /  3.  9.100
  libpostproc    55.  9.100 / 55.  9.100
Guessed Channel Layout for Input Stream #0.0 : mono
Input #0, pulse, from 'alsa_input.usb-KTMicro_KT_USB_Audio_2021-06-25-0000-0000-0000--00.mono-fallback':
  Duration: N/A, start: 1694557964.268337, bitrate: 705 kb/s
  Stream #0:0: Audio: pcm_s16le, 44100 Hz, mono, s16, 705 kb/s
bluez_source.84_5F_04_75_B9_F6.a2dp_source: Input/output error



  


• Streaming Anki Vector's camera

  25 novembre 2023, par Brendan Goode

  I am trying to stream my robot to Remo.tv with my Vector robot. The website recognizes I am going live but does not stream what the robots camera is seeing. I have confirmed the camera works by a local application that runs the SDK. The very end of the code is what is giving issues, it appears somebody ripped code from Cozmo and attempted to paste it into a Vector file. The problem is it seems like the camera is taking pictures and we reach the point where it attempts to send photo but fails ?

  


  # This is a dummy file to allow the automatic loading of modules without error on none.
import anki_vector
import atexit
import time
import _thread as thread
import logging
import networking

log = logging.getLogger('RemoTV.vector')
vector = None
reserve_control = None
robotKey = None
volume = 100 #this is stupid, but who cares
annotated = False

def connect():
    global vector
    global reserve_control

    log.debug("Connecting to Vector")
    vector = anki_vector.AsyncRobot()
    vector.connect()
    #reserve_control = anki_vector.behavior.ReserveBehaviorControl()
    
    atexit.register(exit)

    return(vector)

def exit():
    log.debug("Vector exiting")
    vector.disconnect()
    
def setup(robot_config):
    global forward_speed
    global turn_speed
    global volume
    global vector
    global charge_high
    global charge_low
    global stay_on_dock

    global robotKey
    global server
    global no_mic
    global no_camera
    global ffmpeg_location
    global v4l2_ctl_location
    global x_res
    global y_res
    
    robotKey = robot_config.get('robot', 'robot_key')

    if robot_config.has_option('misc', 'video_server'):
        server = robot_config.get('misc', 'video_server')
    else:
        server = robot_config.get('misc', 'server')
 
    no_mic = robot_config.getboolean('camera', 'no_mic')
    no_camera = robot_config.getboolean('camera', 'no_camera')

    ffmpeg_location = robot_config.get('ffmpeg', 'ffmpeg_location')
    v4l2_ctl_location = robot_config.get('ffmpeg', 'v4l2-ctl_location')

    x_res = robot_config.getint('camera', 'x_res')
    y_res = robot_config.getint('camera', 'y_res')


    if vector == None:
        vector = connect()

    #x  mod_utils.repeat_task(30, check_battery, coz)

    if robot_config.has_section('cozmo'):
        forward_speed = robot_config.getint('cozmo', 'forward_speed')
        turn_speed = robot_config.getint('cozmo', 'turn_speed')
        volume = robot_config.getint('cozmo', 'volume')
        charge_high = robot_config.getfloat('cozmo', 'charge_high')
        charge_low = robot_config.getfloat('cozmo', 'charge_low')
        stay_on_dock = robot_config.getboolean('cozmo', 'stay_on_dock')

#    if robot_config.getboolean('tts', 'ext_chat'): #ext_chat enabled, add motor commands
#        extended_command.add_command('.anim', play_anim)
#        extended_command.add_command('.forward_speed', set_forward_speed)
#        extended_command.add_command('.turn_speed', set_turn_speed)
#        extended_command.add_command('.vol', set_volume)
#        extended_command.add_command('.charge', set_charging)
#        extended_command.add_command('.stay', set_stay_on_dock)

    vector.audio.set_master_volume(volume) # set volume

    return
    
def move(args):
    global charging
    global low_battery
    command = args['button']['command']

    try:
        if vector.status.is_on_charger and not charging:
            if low_battery:
                print("Started Charging")
                charging = 1
            else:
                if not stay_on_dock:
                    vector.drive_off_charger_contacts().wait_for_completed()

        if command == 'f':
            vector.behavior.say_text("Moving {}".format(command))

            #causes delays #coz.drive_straight(distance_mm(10), speed_mmps(50), False, True).wait_for_completed()
            vector.motors.set_wheel_motors(forward_speed, forward_speed, forward_speed*4, forward_speed*4 )
            time.sleep(0.7)
            vector.motors.set_wheel_motors(0, 0)
        elif command == 'b':
            #causes delays #coz.drive_straight(distance_mm(-10), speed_mmps(50), False, True).wait_for_completed()
            vector.motors.set_wheel_motors(-forward_speed, -forward_speed, -forward_speed*4, -forward_speed*4 )
            time.sleep(0.7)
            vector.motors.set_wheel_motors(0, 0)
        elif command == 'l':
            #causes delays #coz.turn_in_place(degrees(15), False).wait_for_completed()
            vector.motors.set_wheel_motors(-turn_speed, turn_speed, -turn_speed*4, turn_speed*4 )
            time.sleep(0.5)
            vector.motors.set_wheel_motors(0, 0)
        elif command == 'r':
            #causes delays #coz.turn_in_place(degrees(-15), False).wait_for_completed()
            vector.motors.set_wheel_motors(turn_speed, -turn_speed, turn_speed*4, -turn_speed*4 )
            time.sleep(0.5)
            vector.motors.set_wheel_motors(0, 0)

        #move lift
        elif command == 'w':
            vector.behavior.say_text("w")
            vector.set_lift_height(height=1).wait_for_completed()
        elif command == 's':
            vector.behavior.say_text("s")
            vector.set_lift_height(height=0).wait_for_completed()

        #look up down
        #-25 (down) to 44.5 degrees (up)
        elif command == 'q':
            #head_angle_action = coz.set_head_angle(degrees(0))
            #clamped_head_angle = head_angle_action.angle.degrees
            #head_angle_action.wait_for_completed()
            vector.behaviour.set_head_angle(45)
            time.sleep(0.35)
            vector.behaviour.set_head_angle(0)
        elif command == 'a':
            #head_angle_action = coz.set_head_angle(degrees(44.5))
            #clamped_head_angle = head_angle_action.angle.degrees
            #head_angle_action.wait_for_completed()
            vector.behaviour.set_head_angle(-22.0)
            time.sleep(0.35)
            vector.behaviour.set_head_angle(0)
   
        #things to say with TTS disabled
        elif command == 'sayhi':
            tts.say( "hi! I'm cozmo!" )
        elif command == 'saywatch':
            tts.say( "watch this" )
        elif command == 'saylove':
            tts.say( "i love you" )
        elif command == 'saybye':
            tts.say( "bye" )
        elif command == 'sayhappy':
            tts.say( "I'm happy" )
        elif command == 'saysad':
            tts.say( "I'm sad" )
        elif command == 'sayhowru':
            tts.say( "how are you?" )
    except:
        return(False)
    return

def start():
    log.debug("Starting Vector Video Process")
    try:
        thread.start_new_thread(video, ())
    except KeyboardInterrupt as e:
        pass        
    return
    
def video():
    global vector
    # Turn on image receiving by the camera
    vector.camera.init_camera_feed()

    vector.behavior.say_text("hey everyone, lets robot!")

    while True:
        time.sleep(0.25)

        from subprocess import Popen, PIPE
        from sys import platform

        log.debug("ffmpeg location : {}".format(ffmpeg_location))

#        import os
#        if not os.path.isfile(ffmpeg_location):
#        print("Error: cannot find " + str(ffmpeg_location) + " check ffmpeg is installed. Terminating controller")
#        thread.interrupt_main()
#        thread.exit()

        while not networking.authenticated:
            time.sleep(1)

        p = Popen([ffmpeg_location, '-y', '-f', 'image2pipe', '-vcodec', 'png', '-r', '25', '-i', '-', '-vcodec', 'mpeg1video', '-r', '25', "-f", "mpegts", "-headers", "\"Authorization: Bearer {}\"".format(robotKey), "http://{}:1567/transmit?name={}-video".format(server, networking.channel_id)], stdin=PIPE)
        #p = Popen([ffmpeg_location, '-nostats', '-y', '-f', 'image2pipe', '-vcodec', 'png', '-r', '25', '-i', '-', '-vcodec', 'mpeg1video', '-r', '25','-b:v', '400k', "-f","mpegts", "-headers", "\"Authorization: Bearer {}\"".format(robotKey), "http://{}/transmit?name=rbot-390ddbe0-f1cc-4710-b3f1-9f477f4875f9-video".format(server)], stdin=PIPE)
        #p = Popen([ffmpeg_location, '-y', '-f', 'image2pipe', '-vcodec', 'png', '-r', '25', '-i', '-', '-vcodec', 'mpeg1video', '-r', '25', "-f", "mpegts", "-headers", "\"Authorization: Bearer {}\"".format(robotKey), "http://{}/transmit?name=rbot-390ddbe0-f1cc-4710-b3f1-9f477f4875f9-video".format(server, networking.channel_id)], stdin=PIPE)
        print(vector)
        image = vector.camera.latest_image
        image.raw_image.save("test.png", 'PNG')
        try:
            while True:
                if vector:
                    image = vector.camera.latest_image
                    if image:
                        if annotated:
                            image = image.annotate_image()
                        else:
                            image = image.raw_image
                        print("attempting to write image")
                        image.save(p.stdin, 'PNG')

                else:
                    time.sleep(.1)
            log.debug("Lost Vector object, terminating video stream")
            p.stdin.close()
            p.wait()
        except Exception as e:
            log.debug("Vector Video Exception! {}".format(e))
            p.stdin.close()
            p.wait()
            pass               
    


  


  Here is the error we get

  


  [vost#0:0/mpeg1video @ 000001c7153c1cc0] Error submitting a packet to the muxer: Error number -10053 occurred
[out#0/mpegts @ 000001c713448480] Error muxing a packet
[out#0/mpegts @ 000001c713448480] Error writing trailer: Error number -10053 occurred
[http @ 000001c7134cab00] URL read error: Error number -10053 occurred
[out#0/mpegts @ 000001c713448480] Error closing file: Error number -10053 occurred
[out#0/mpegts @ 000001c713448480] video:56kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
frame=   25 fps=0.0 q=2.0 Lsize=      53kB time=00:00:01.32 bitrate= 325.9kbits/s speed=7.05x
Conversion failed!

attempting to write image


  


  You can see our attempts to fix by commented out code in the #p section at the bottom.

  


• Python-FFMPEG Corruption Problems

  11 juillet 2023, par Gabriel Ruben Guzman

  I'm repurposing some python code to generate gifs/mp4s showcasing nba player movements dot form. (With the 'frames' used in the gifs being generated by matplotlib).

  


  The repo comes with two different functions for generating the gifs, watch_play and animate_play. Both of which use python command line functionalities to run ffmpeg and generate the mp4s.
I've been able to use the watch_play succesfully, bot every time I try using animate_play, which according to the documention is meant to be significantly faster than watch play, I run into the error showcased here.(I printed the cmd string being passed into the pipe, in the hopes it would make debugging easier)

  


  I've tried generating gifs/mp4s of various size and added a decent bit of code to lessen the volume of data being processed. (I'm essentially repurposing the code just to generate clips, so I've been able to remove a lot of the pbp/tracking data logs to speed up the run time) But no matter what I've done, gotten some variation of the screenshotted error.

  


  pipe: : corrupt input packet in stream 0&#xA;[rawvideo @ 0x55ccc0e2bb80] Invalid buffer size, packet size 691200 < expected frame_size 921600&#xA;Error while decoding stream #0:0 : Invalid argument

  &#xA;

  The code for animate_play

  &#xA;

  def animate_play(self, game_time=None, length=None, highlight_player=None,
                 commentary=True, show_spacing=None):
    """
    Method for animating plays in game.
    Outputs video file of play in {cwd}/temp.
    Individual frames are streamed directly to ffmpeg without writing them
    to the disk, which is a great speed improvement over watch_play

    Args:
        game_time (int): time in game to start video
            (seconds into the game).
            Currently game_time can also be an tuple of length two
            with (starting_frame, ending_frame)if you want to
            watch a play using frames instead of game time.
        length (int): length of play to watch (seconds)
        highlight_player (str): If not None, video will highlight
            the circle of the inputed player for easy tracking.
        commentary (bool): Whether to include play-by-play commentary in
            the animation
        show_spacing (str) in ['home', 'away']: show convex hull
            spacing of home or away team.
            If None, does not show spacing.

    Returns: an instance of self, and outputs video file of play
    """
    if type(game_time) == tuple:
        starting_frame = game_time[0]
        ending_frame = game_time[1]
    else:
        game_time= self.start +(self.quarter*720)
        end_time= self.end +(self.quarter*720)
        length = end_time-game_time
        # Get starting and ending frame from requested 
        # game_time and length
        print('hit')
        print(len(self.moments))
        print(game_time)
        print(end_time)
        print(length)
        print(game_time+length)
        
        print(self.moments.game_time.min())
        print(self.moments.game_time.max())

        sys.exit()
        starting_frame = self.moments[self.moments.game_time.round() ==
                                      game_time].index.values[0]
        ending_frame = self.moments[self.moments.game_time.round() ==
                                    game_time + length].index.values[0]

    # Make video of each frame
    filename = "./temp/{game_time}.mp4".format(game_time=game_time)
    if commentary:
        size = (960, 960)
    else:
        size = (480, 480)
    cmdstring = ('ffmpeg',
                 '-y', '-r', '20',  # fps
                 '-s', '%dx%d' % size,  # size of image string
                 '-pix_fmt', 'argb',  # Stream argb data from matplotlib
                 '-f', 'rawvideo','-i', '-',
                 '-vcodec', 'libx264', filename)
    #print(pipe)
    #print(cmdstring)
    
    

    # Stream plots to pipe
    pipe = Popen(cmdstring, stdin=PIPE)
    print(cmdstring)
    for frame in range(starting_frame, ending_frame):
        print(frame)
        self.plot_frame(frame, highlight_player=highlight_player,
                        commentary=commentary, show_spacing=show_spacing,
                        pipe=pipe)
    print(cmdstring)
    pipe.stdin.close()
    pipe.wait()
    return self


  &#xA;

  The code for watch play

  &#xA;

  def watch_play(self, game_time=None, length=None, highlight_player=None,
               commentary=True, show_spacing=None):

    """
    DEPRECIATED.  See animate_play() for similar (fastere) method

    Method for viewing plays in game.
    Outputs video file of play in {cwd}/temp

    Args:
        game_time (int): time in game to start video
            (seconds into the game).
            Currently game_time can also be an tuple of length
            two with (starting_frame, ending_frame) if you want
            to watch a play using frames instead of game time.
        length (int): length of play to watch (seconds)
        highlight_player (str): If not None, video will highlight
            the circle of the inputed player for easy tracking.
        commentary (bool): Whether to include play-by-play
            commentary underneath video
        show_spacing (str in ['home', 'away']): show convex hull
            of home or away team.
            if None, does not display any convex hull

    Returns: an instance of self, and outputs video file of play
    """
    print('hit this point ')
    warnings.warn(("watch_play is extremely slow. "
                   "Use animate_play for similar functionality, "
                   "but greater efficiency"))

    if type(game_time) == tuple:
        starting_frame = game_time[0]
        ending_frame = game_time[1]
    else:
        # Get starting and ending frame from requested game_time and length
        game_time= self.start +(self.quarter*720)
        end_time= self.end +(self.quarter*720)
        length = end_time-game_time


        starting_frame = self.moments[self.moments.game_time.round() ==
                                      game_time].index.values[0]
        ending_frame = self.moments[self.moments.game_time.round() ==
                                    game_time + length].index.values[0]
    #print(self.moments.head(2))
    #print(starting_frame)
    #print(ending_frame)
    print(len(self.moments))
    # Make video of each frame
    title = str(starting_frame)+'-'+str(ending_frame)
    for frame in range(starting_frame, ending_frame):
        print(frame)
        self.plot_frame(frame, highlight_player=highlight_player,
                        commentary=commentary, show_spacing=show_spacing)
    command = ('ffmpeg -framerate 20 -start_number {starting_frame} '
               '-i %d.png -c:v libx264 -r 30 -pix_fmt yuv420p -vf '
               '"scale=trunc(iw/2)*2:trunc(ih/2)*2" {title}'
               '.mp4').format(starting_frame=starting_frame,title=title)
    os.chdir('temp')
    os.system(command)
    os.chdir('..')

    # Delete images
    for file in os.listdir('./temp'):
        if os.path.splitext(file)[1] == '.png':
            os.remove('./temp/{file}'.format(file=file))

    return self'


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