def titleSequence(self, titlefile, frames=450):
assert os.path.exists(titlefile)
if framelimit is not None: frames = min(frames, framelimit)
first_yuv = self.yuv_name()
jobqueue.do('convert %s %s %s %s' %
(titlefile, border.border(), video.exactGeometry(), first_yuv))
self.frame += 1
for i in range(1, frames):
import shutil
shutil.copy(first_yuv, self.yuv_name())
self.frame += 1
def titleSequence(self, titlefile, frames=450):
assert os.path.exists(titlefile)
if framelimit is not None: frames = min(frames, framelimit)
first_yuv = self.yuv_name()
jobqueue.do('convert %s %s %s %s' %
(titlefile, border.border(), video.exactGeometry(), first_yuv))
self.frame += 1
for i in range(1, frames):
import shutil
shutil.copy(first_yuv, self.yuv_name())
self.frame += 1
def textBottom(self, jpgfmt, start, incr, frames, avg, divider, rgb, titleImage):
"""You've got some text near the bottom of the screen and you
want to set a dividing height, and take the lower portion of
the screen, where the text is, and fade it toward light blue
so you have good contrast for the text. Above the division you
have normal chrominance for the sequence.
"""
# avg is how many subframes are averaged to produce each frame
# ratio is the ratio of subframes to frames
if framelimit is not None:
frames = min(frames, framelimit)
tmpimage = "/tmp/foo.jpg"
tmpimage2 = "/tmp/foo2.jpg"
averages = []
averages2 = []
# Stick the averages in a bunch of GIF files
assert jpgfmt[-4:] == ".jpg"
srcdir, fil = os.path.split(jpgfmt)
jpgfmt = fil
dstdir = srcdir
avgfmt = jpgfmt[:-4] + ".gif"
if avg > 1:
# parallelize the averaging because it's the slowest operation
# each job will be five frames
q = jobqueue.JobQueue()
i = 0
while i < frames:
frames_this_job = min(5, frames - i)
ifiles = []
ofiles = []
for j in range(frames_this_job):
P = start + (i + j) * incr
for k in range(avg):
ifiles.append(jpgfmt % (P + k))
ofile = avgfmt % P
averages.append(ofile)
ofiles.append(ofile)
job = MotionBlurJob(srcdir, dstdir, ifiles, ofiles)
q.append(job)
i += frames_this_job
q.start()
q.wait()
else:
averages = map(lambda i: jpgfmt % (start + i * incr), range(frames))
for i in range(frames):
fnum = start + incr * i
yuv = (self.yuv_format() % self.frame) + ".yuv"
jobqueue.do("convert %s %s %s" % (os.path.join(dstdir, averages[i]), clipped.exactGeometry(), tmpimage))
# tmpimage is now in clipped dimensions
if titleImage is not None:
w, h = clipped.width, clipped.height
jobqueue.do(
('mogrify -region +0+%d -fill "rgb(%d,%d,%d)" -colorize 75 %s')
% (divider, rgb[0], rgb[1], rgb[2], tmpimage)
)
jobqueue.do("composite %s %s %s %s" % (titleImage, clipped.exactGeometry(), tmpimage, tmpimage))
jobqueue.do("convert %s %s %s %s" % (tmpimage, border.border(), video.exactGeometry(), yuv))
self.frame += 1
return start + incr * frames
def drawOneFrame(t, filename):
def move(t, start, finish):
return start + t * (finish - start)
# t varies from 0.0 to 1.0 over the course of the sequence
preamble_xpos = 80
preamble_ypos = move(t, -90, 180)
nanorex_xpos = 50
nanorex_ypos = move(t, 460, 140)
cmd = (('composite -geometry +%d+%d ' % (nanorex_xpos, nanorex_ypos)) +
'Nanorex_logos/nanorex_logo_text_outline_medium.png black.jpg /tmp/foo.jpg')
jobqueue.do(cmd)
# Fonts are in /usr/lib/openoffice/share/psprint/fontmetric/
preamble = "Presented by"
cmd = ('convert -fill white -font Helvetica-Bold -pointsize 48 -draw' +
' "text %d,%d \'%s\'" /tmp/foo.jpg %s' %
(preamble_xpos, preamble_ypos, preamble, filename))
jobqueue.do(cmd)
def drawOneFrame(t, filename):
def move(t, start, finish):
return start + t * (finish - start)
# t varies from 0.0 to 1.0 over the course of the sequence
preamble_xpos = 80
preamble_ypos = move(t, -90, 180)
nanorex_xpos = 50
nanorex_ypos = move(t, 460, 140)
cmd = (
('composite -geometry +%d+%d ' % (nanorex_xpos, nanorex_ypos)) +
'Nanorex_logos/nanorex_logo_text_outline_medium.png black.jpg /tmp/foo.jpg'
)
jobqueue.do(cmd)
# Fonts are in /usr/lib/openoffice/share/psprint/fontmetric/
preamble = "Presented by"
cmd = ('convert -fill white -font Helvetica-Bold -pointsize 48 -draw' +
' "text %d,%d \'%s\'" /tmp/foo.jpg %s' %
(preamble_xpos, preamble_ypos, preamble, filename))
jobqueue.do(cmd)
def encode(self):
parfil = mpeg_dir + "/foo.par"
outf = open(parfil, "w")
outf.write(params % {'sourcefileformat': self.yuv_format(),
'frames': len(self),
'height': video.height,
'width': video.width,
'bitrate': bitrate})
outf.close()
# encoding is an inexpensive operation, do it even if not for real
jobqueue.do('mpeg2encode %s/foo.par %s/foo.mpeg' % (mpeg_dir, mpeg_dir))
jobqueue.do('rm -f %s/foo.mp4' % mpeg_dir)
jobqueue.do('ffmpeg -i %s/foo.mpeg -sameq %s/foo.mp4' % (mpeg_dir, mpeg_dir))
def encode(self):
parfil = mpeg_dir + "/foo.par"
outf = open(parfil, "w")
outf.write(params % {'sourcefileformat': self.yuv_format(),
'frames': len(self),
'height': video.height,
'width': video.width,
'bitrate': bitrate})
outf.close()
# encoding is an inexpensive operation, do it even if not for real
jobqueue.do('mpeg2encode %s/foo.par %s/foo.mpeg' % (mpeg_dir, mpeg_dir))
jobqueue.do('rm -f %s/foo.mp4' % mpeg_dir)
jobqueue.do('ffmpeg -i %s/foo.mpeg -sameq %s/foo.mp4' % (mpeg_dir, mpeg_dir))
def encode(self):
parfil = mpeg_dir + "/foo.par"
outf = open(parfil, "w")
outf.write(
params
% {
"sourcefileformat": self.yuv_format(),
"frames": len(self),
"height": video.height,
"width": video.width,
"bitrate": bitrate,
}
)
outf.close()
# encoding is an inexpensive operation, do it even if not for real
jobqueue.do("mpeg2encode %s/foo.par %s/foo.mpeg" % (mpeg_dir, mpeg_dir))
jobqueue.do("rm -f %s/foo.mp4" % mpeg_dir)
jobqueue.do("ffmpeg -i %s/foo.mpeg -sameq %s/foo.mp4" % (mpeg_dir, mpeg_dir))
]
rendering = False
# Comment out stuff that's already done
for arg in sys.argv[1:]:
if arg.startswith('debug='):
jobqueue.DEBUG = string.atoi(arg[6:])
elif arg == 'ugly':
animate.povray_pretty = False
animate.setScale(0.25)
elif arg == 'clean':
dirs = ('slowjpeg', 'slow_cpk_jpeg', 'fastjpeg', 'fast_cpk_jpeg')
for d in dirs:
jobqueue.do('rm -rf ' + os.path.join(animate.mpeg_dir, d))
jobqueue.do('mkdir -p ' + os.path.join(animate.mpeg_dir, d))
elif arg == 'rendering':
rendering = True
elif arg.startswith('framelimit='):
animate.framelimit = string.atoi(arg[11:])
#################################
struct_name = 'wwrot'
# struct_name = 'simp'
animate.remove_old_yuvs()
m = animate.MpegSequence()
def motionBlur(self,
jpgfmt,
start,
incr,
frames,
avg,
textlist=None,
fadeTo=None,
titleImage=None):
# avg is how many subframes are averaged to produce each frame
# ratio is the ratio of subframes to frames
if framelimit is not None: frames = min(frames, framelimit)
tmpimage = '/tmp/foo.jpg'
tmpimage2 = '/tmp/foo2.jpg'
averages = []
averages2 = []
# Stick the averages in a bunch of GIF files
assert jpgfmt[-4:] == '.jpg'
srcdir, fil = os.path.split(jpgfmt)
jpgfmt = fil
dstdir = srcdir
avgfmt = jpgfmt[:-4] + '.gif'
if fadeTo is not None:
assert fadeTo[-4:] == '.jpg'
fadesrcdir, fadeTo = os.path.split(fadeTo)
avgfadefmt = fadeTo[:-4] + '.gif'
fadedstdir = fadesrcdir
if avg > 1:
# parallelize the averaging because it's the slowest operation
# each job will be five frames
q = jobqueue.JobQueue()
i = 0
while i < frames:
frames_this_job = min(5, frames - i)
ifiles = []
ofiles = []
for j in range(frames_this_job):
P = start + (i + j) * incr
for k in range(avg):
ifiles.append(jpgfmt % (P + k))
ofile = avgfmt % P
averages.append(ofile)
ofiles.append(ofile)
job = MotionBlurJob(srcdir, dstdir, ifiles, ofiles)
q.append(job)
i += frames_this_job
if fadeTo is not None:
i = 0
while i < frames:
frames_this_job = min(5, frames - i)
ifiles = []
ofiles = []
for j in range(frames_this_job):
P = start + (i + j) * incr
for k in range(avg):
ifiles.append(fadeTo % (P + k))
ofile = avgfadefmt % P
averages2.append(ofile)
ofiles.append(ofile)
job = MotionBlurJob(fadesrcdir, fadedstdir, ifiles, ofiles)
q.append(job)
i += frames_this_job
q.start()
q.wait()
else:
averages = map(lambda i: jpgfmt % (start + i * incr),
range(frames))
if fadeTo is not None:
averages2 = map(lambda i: fadeTo % (start + i * incr),
range(frames))
for i in range(frames):
fnum = start + incr * i
yuv = (self.yuv_format() % self.frame) + '.yuv'
jobqueue.do('convert %s %s %s' % (os.path.join(
dstdir, averages[i]), clipped.exactGeometry(), tmpimage))
# tmpimage is now in clipped dimensions
if fadeTo is not None:
jobqueue.do('convert %s %s %s' %
(os.path.join(fadedstdir, averages2[i]),
clipped.exactGeometry(), tmpimage2))
# perform a cross-fade
inputs = ''
for j in range(frames):
if j < i:
inputs += ' ' + tmpimage2
else:
inputs += ' ' + tmpimage
jobqueue.do('convert -average %s %s' % (inputs, tmpimage))
if titleImage is not None:
jobqueue.do(
'convert %s -average lightblue.jpg lightblue.jpg lightblue.jpg %s %s'
% (clipped.exactGeometry(), tmpimage, tmpimage))
jobqueue.do(
'composite %s %s %s %s' %
(titleImage, clipped.exactGeometry(), tmpimage, tmpimage))
elif textlist is not None:
texts = textlist(i)
cmd = 'convert ' + tmpimage + ' -font Courier-Bold -pointsize 30 '
for j in range(len(texts)):
cmd += ' -annotate +10+%d "%s"' % (30 * (j + 1), texts[j])
cmd += ' ' + tmpimage
jobqueue.do(cmd)
jobqueue.do(
'convert %s %s %s %s' %
(tmpimage, border.border(), video.exactGeometry(), yuv))
self.frame += 1
return start + incr * frames
def textBottom(self, jpgfmt, start, incr, frames, avg, divider, rgb,
titleImage):
"""You've got some text near the bottom of the screen and you
want to set a dividing height, and take the lower portion of
the screen, where the text is, and fade it toward light blue
so you have good contrast for the text. Above the division you
have normal chrominance for the sequence.
"""
# avg is how many subframes are averaged to produce each frame
# ratio is the ratio of subframes to frames
if framelimit is not None: frames = min(frames, framelimit)
tmpimage = '/tmp/foo.jpg'
tmpimage2 = '/tmp/foo2.jpg'
averages = []
averages2 = []
# Stick the averages in a bunch of GIF files
assert jpgfmt[-4:] == '.jpg'
srcdir, fil = os.path.split(jpgfmt)
jpgfmt = fil
dstdir = srcdir
avgfmt = jpgfmt[:-4] + '.gif'
if avg > 1:
# parallelize the averaging because it's the slowest operation
# each job will be five frames
q = jobqueue.JobQueue()
i = 0
while i < frames:
frames_this_job = min(5, frames - i)
ifiles = []
ofiles = []
for j in range(frames_this_job):
P = start + (i + j) * incr
for k in range(avg):
ifiles.append(jpgfmt % (P + k))
ofile = avgfmt % P
averages.append(ofile)
ofiles.append(ofile)
job = MotionBlurJob(srcdir, dstdir, ifiles, ofiles)
q.append(job)
i += frames_this_job
q.start()
q.wait()
else:
averages = map(lambda i: jpgfmt % (start + i * incr),
range(frames))
for i in range(frames):
fnum = start + incr * i
yuv = (self.yuv_format() % self.frame) + '.yuv'
jobqueue.do('convert %s %s %s' % (os.path.join(
dstdir, averages[i]), clipped.exactGeometry(), tmpimage))
# tmpimage is now in clipped dimensions
if titleImage is not None:
w, h = clipped.width, clipped.height
jobqueue.do((
'mogrify -region +0+%d -fill \"rgb(%d,%d,%d)\" -colorize 75 %s'
) % (divider, rgb[0], rgb[1], rgb[2], tmpimage))
jobqueue.do(
'composite %s %s %s %s' %
(titleImage, clipped.exactGeometry(), tmpimage, tmpimage))
jobqueue.do(
'convert %s %s %s %s' %
(tmpimage, border.border(), video.exactGeometry(), yuv))
self.frame += 1
return start + incr * frames
def remove_old_yuvs():
# you don't always want to do this
jobqueue.do("rm -rf " + mpeg_dir + "/yuvs")
jobqueue.do("mkdir -p " + mpeg_dir + "/yuvs")
]
rendering = False
# Comment out stuff that's already done
for arg in sys.argv[1:]:
if arg.startswith('debug='):
jobqueue.DEBUG = string.atoi(arg[6:])
elif arg == 'ugly':
animate.povray_pretty = False
animate.setScale(0.25)
elif arg == 'clean':
dirs = ('slowjpeg', 'slow_cpk_jpeg', 'fastjpeg', 'fast_cpk_jpeg')
for d in dirs:
jobqueue.do('rm -rf ' + os.path.join(animate.mpeg_dir, d))
jobqueue.do('mkdir -p ' + os.path.join(animate.mpeg_dir, d))
elif arg == 'rendering':
rendering = True
elif arg.startswith('framelimit='):
animate.framelimit = string.atoi(arg[11:])
#################################
struct_name = 'wwrot'
# struct_name = 'simp'
animate.remove_old_yuvs()
m = animate.MpegSequence()
def motionBlur(self, jpgfmt, start, incr, frames, avg, textlist=None, fadeTo=None, titleImage=None):
# avg is how many subframes are averaged to produce each frame
# ratio is the ratio of subframes to frames
if framelimit is not None:
frames = min(frames, framelimit)
tmpimage = "/tmp/foo.jpg"
tmpimage2 = "/tmp/foo2.jpg"
averages = []
averages2 = []
# Stick the averages in a bunch of GIF files
assert jpgfmt[-4:] == ".jpg"
srcdir, fil = os.path.split(jpgfmt)
jpgfmt = fil
dstdir = srcdir
avgfmt = jpgfmt[:-4] + ".gif"
if fadeTo is not None:
assert fadeTo[-4:] == ".jpg"
fadesrcdir, fadeTo = os.path.split(fadeTo)
avgfadefmt = fadeTo[:-4] + ".gif"
fadedstdir = fadesrcdir
if avg > 1:
# parallelize the averaging because it's the slowest operation
# each job will be five frames
q = jobqueue.JobQueue()
i = 0
while i < frames:
frames_this_job = min(5, frames - i)
ifiles = []
ofiles = []
for j in range(frames_this_job):
P = start + (i + j) * incr
for k in range(avg):
ifiles.append(jpgfmt % (P + k))
ofile = avgfmt % P
averages.append(ofile)
ofiles.append(ofile)
job = MotionBlurJob(srcdir, dstdir, ifiles, ofiles)
q.append(job)
i += frames_this_job
if fadeTo is not None:
i = 0
while i < frames:
frames_this_job = min(5, frames - i)
ifiles = []
ofiles = []
for j in range(frames_this_job):
P = start + (i + j) * incr
for k in range(avg):
ifiles.append(fadeTo % (P + k))
ofile = avgfadefmt % P
averages2.append(ofile)
ofiles.append(ofile)
job = MotionBlurJob(fadesrcdir, fadedstdir, ifiles, ofiles)
q.append(job)
i += frames_this_job
q.start()
q.wait()
else:
averages = map(lambda i: jpgfmt % (start + i * incr), range(frames))
if fadeTo is not None:
averages2 = map(lambda i: fadeTo % (start + i * incr), range(frames))
for i in range(frames):
fnum = start + incr * i
yuv = (self.yuv_format() % self.frame) + ".yuv"
jobqueue.do("convert %s %s %s" % (os.path.join(dstdir, averages[i]), clipped.exactGeometry(), tmpimage))
# tmpimage is now in clipped dimensions
if fadeTo is not None:
jobqueue.do(
"convert %s %s %s" % (os.path.join(fadedstdir, averages2[i]), clipped.exactGeometry(), tmpimage2)
)
# perform a cross-fade
inputs = ""
for j in range(frames):
if j < i:
inputs += " " + tmpimage2
else:
inputs += " " + tmpimage
jobqueue.do("convert -average %s %s" % (inputs, tmpimage))
if titleImage is not None:
jobqueue.do(
"convert %s -average lightblue.jpg lightblue.jpg lightblue.jpg %s %s"
% (clipped.exactGeometry(), tmpimage, tmpimage)
)
jobqueue.do("composite %s %s %s %s" % (titleImage, clipped.exactGeometry(), tmpimage, tmpimage))
elif textlist is not None:
texts = textlist(i)
cmd = "convert " + tmpimage + " -font Courier-Bold -pointsize 30 "
for j in range(len(texts)):
cmd += ' -annotate +10+%d "%s"' % (30 * (j + 1), texts[j])
cmd += " " + tmpimage
jobqueue.do(cmd)
jobqueue.do("convert %s %s %s %s" % (tmpimage, border.border(), video.exactGeometry(), yuv))
self.frame += 1
return start + incr * frames
def remove_old_yuvs():
# you don't always want to do this
jobqueue.do("rm -rf " + mpeg_dir + "/yuvs")
jobqueue.do("mkdir -p " + mpeg_dir + "/yuvs")
