#
tmp_fldr = tempfile.mkdtemp()
print("Using '%s' for storing temporary files" % tmp_fldr)
fnt = ImageFont.truetype(FONT_FILE, FONT_SZ)
# --------------------------------------------------------------------------
# Read the video file and extract frames to multiple jpg files
#
vid_file = pyvideomeg.VideoData(sys.argv[1])
for i in range(len(vid_file.ts)):
img = Image.open(StringIO.StringIO(vid_file.get_frame(i)))
draw = ImageDraw.Draw(img)
draw.text((10, 0), "%i : %s" % (vid_file.ts[i], pyvideomeg.ts2str(vid_file.ts[i])), font=fnt, fill="black")
img.save("%s/%08i.jpg" % (tmp_fldr, i))
# --------------------------------------------------------------------------
# If no audio file, encode and exit
#
if len(sys.argv) == 3:
print("No audio file is specified, using only the video")
fps = len(vid_file.ts) / (float(vid_file.ts[-1] - vid_file.ts[0]) / 1000)
print("FPS: %f" % fps)
vid_opts = "mf://%s/*.jpg -mf type=jpg:fps=%f" % (tmp_fldr, fps)
cmd = "mencoder %s -ovc lavc -lavcopts vcodec=msmpeg4v2 -nosound -o %s > %s" % (
vid_opts,
sys.argv[2],
MENCODER_LOG_FILE,
i += 1
fnt = ImageFont.truetype(FONT_FILE, FONT_SZ)
indx = []
err = []
first_i = i
while i < len(vid_file_1.ts):
indx.append(numpy.argmin(abs(vid_file_1.ts[i] - vid_file_2.ts)))
err.append(vid_file_1.ts[i] - vid_file_2.ts[indx[-1]])
img1 = Image.open(StringIO.StringIO(vid_file_1.get_frame(i)))
img2 = Image.open(StringIO.StringIO(vid_file_2.get_frame(indx[-1])))
draw = ImageDraw.Draw(img1)
draw.text((10,0), '%i : %s' % (vid_file_1.ts[i], pyvideomeg.ts2str(vid_file_1.ts[i])), font=fnt, fill='black')
draw = ImageDraw.Draw(img2)
draw.text((10,0), '%i' % err[-1], font=fnt, fill='black')
out_image = Image.new("RGB", (2*img1.size[0],img1.size[1]))
out_image.paste(img1, (0,0))
out_image.paste(img2, (img1.size[0],0))
out_image.save('%s/%08i.jpg' % (tmp_fldr, i))
i += 1
# if reached the end of the second file, stop
if indx[-1] == len(vid_file_2.ts)-1:
break
sys.exit(1)
if is_audio:
nsamples = len(af.raw_audio) / af.nchan / 2
wc_srate = (nsamples - (af.buf_sz/2/af.nchan)) * 1000. / (af.ts[-1] - af.ts[0])
print('\n\n\n')
print('Audio file.')
print('\tVersion: %i' % af.ver)
print('\tNominal sampling rate: %i' % af.srate)
print('\tWall clock sampling rate: %f' % wc_srate)
print('\tNumber of channels: %i' % af.nchan)
print('\tNumber of samples: %i' % nsamples)
print('\tTotal duration (estimated): %f seconds' % (nsamples / wc_srate))
print('\tBuffer size: %i frames' % (af.buf_sz / 2 / af.nchan))
print('\tFirst buffer time: %s' % pyvideomeg.ts2str(af.ts[0]))
print('\tLast buffer time: %s' % pyvideomeg.ts2str(af.ts[-1]))
if af.ver == 3:
print('\tSite ID: %i' % af.site_id)
if af.is_sender:
print('\tThe file was recorded by the *sender* process')
else:
print('\tThe file was recorded by the *receiver* process')
del(af)
else:
fps = (len(vf.ts)-1) * 1000. / (vf.ts[-1] - vf.ts[0])
if is_audio:
nsamples = len(af.raw_audio) / af.nchan / 2
wc_srate = (nsamples -
(af.buf_sz / 2 / af.nchan)) * 1000. / (af.ts[-1] - af.ts[0])
print('\n\n\n')
print('Audio file.')
print('\tVersion: %i' % af.ver)
print('\tNominal sampling rate: %i' % af.srate)
print('\tWall clock sampling rate: %f' % wc_srate)
print('\tNumber of channels: %i' % af.nchan)
print('\tNumber of samples: %i' % nsamples)
print('\tTotal duration (estimated): %f seconds' % (nsamples / wc_srate))
print('\tBuffer size: %i frames' % (af.buf_sz / 2 / af.nchan))
print('\tFirst buffer time: %s' % pyvideomeg.ts2str(af.ts[0]))
print('\tLast buffer time: %s' % pyvideomeg.ts2str(af.ts[-1]))
if af.ver == 3:
print('\tSite ID: %i' % af.site_id)
if af.is_sender:
print('\tThe file was recorded by the *sender* process')
else:
print('\tThe file was recorded by the *receiver* process')
del (af)
else:
fps = (len(vf.ts) - 1) * 1000. / (vf.ts[-1] - vf.ts[0])
tmp_fldr = tempfile.mkdtemp()
print('Using \'%s\' for storing temporary files' % tmp_fldr)
fnt = ImageFont.truetype(FONT_FILE, FONT_SZ)
#--------------------------------------------------------------------------
# Read the video file and extract frames to multiple jpg files
#
vid_file = pyvideomeg.VideoData(sys.argv[1])
for i in range(len(vid_file.ts)):
img = Image.open(BytesIO(vid_file.get_frame(i)))
draw = ImageDraw.Draw(img)
draw.text(
(10, 0),
'%i : %s' % (vid_file.ts[i], pyvideomeg.ts2str(vid_file.ts[i])),
font=fnt,
fill='black')
img.save('%s/%08i.jpg' % (tmp_fldr, i))
#--------------------------------------------------------------------------
# If no audio file, encode and exit
#
if len(sys.argv) == 3:
print('No audio file is specified, using only the video')
fps = len(vid_file.ts) / (float(vid_file.ts[-1] - vid_file.ts[0]) / 1000)
print('FPS: %f' % fps)
vid_opts = 'mf://%s/*.jpg -mf type=jpg:fps=%f' % (tmp_fldr, fps)
cmd = 'mencoder %s -ovc lavc -lavcopts vcodec=msmpeg4v2 -nosound -o %s > %s' % (
vid_opts, sys.argv[2], MENCODER_LOG_FILE)
i += 1
fnt = ImageFont.truetype(FONT_FILE, FONT_SZ)
indx = []
err = []
first_i = i
while i < len(vid_file_1.ts):
indx.append(numpy.argmin(abs(vid_file_1.ts[i] - vid_file_2.ts)))
err.append(vid_file_1.ts[i] - vid_file_2.ts[indx[-1]])
img1 = Image.open(BytesIO(vid_file_1.get_frame(i)))
img2 = Image.open(BytesIO(vid_file_2.get_frame(indx[-1])))
draw = ImageDraw.Draw(img1)
draw.text((10,0), '%i : %s' % (vid_file_1.ts[i], pyvideomeg.ts2str(vid_file_1.ts[i])), font=fnt, fill='black')
draw = ImageDraw.Draw(img2)
draw.text((10,0), '%i' % err[-1], font=fnt, fill='black')
out_image = Image.new("RGB", (2*img1.size[0],img1.size[1]))
out_image.paste(img1, (0,0))
out_image.paste(img2, (img1.size[0],0))
out_image.save('%s/%08i.jpg' % (tmp_fldr, i))
i += 1
# if reached the end of the second file, stop
if indx[-1] == len(vid_file_2.ts)-1:
break