def _calc_bmpThumbnail(self):
song = Song(url = self.url, _useDb = False)
song.gain = self.gain # useful for the adopted BMP
song.openFile() # this is another process, so safe
# We have song.gain which mostly lowers the volume. So increase here for nicer display.
import ffmpeg
duration, bmpData = ffmpeg.calcBitmapThumbnail(song, 600, 81, volume = 1.5)
return {"duration": duration, "bmpThumbnail": bmpData}
def _calc_bmpThumbnail(self):
song = Song(url = self.url, _useDb = False)
try:
song.openFile()
except IOError as exc:
return {"error": exc}
song.gain,_ = self.get("gain", accuracy=0, fastOnly=True) # useful for the adopted BMP
import ffmpeg
try:
# We have song.gain which mostly lowers the volume. So increase here for nicer display.
duration, bmpData = ffmpeg.calcBitmapThumbnail(song, 600, 81, volume = 1.5)
except Exception as exc:
return {"error": exc}
return {"duration": duration, "bmpThumbnail": bmpData}
def _calc_bmpThumbnail(self):
song = Song(url = self.url, _useDb = False)
try:
song.openFile()
except IOError as exc:
return {"error": exc}
# Earlier, we copied the song.gain. Because of some internal ffmpeg redesign,
# ffmpeg currently ignores the gain when it calculates the bmpThumnail.
# But I think the thumbnails actually look better without the gain adoption,
# so I'll just leave it that way now.
import ffmpeg
try:
# We have song.gain which mostly lowers the volume. So increase here for nicer display.
duration, bmpData = ffmpeg.calcBitmapThumbnail(song, 600, 81, volume = 1.5)
except Exception as exc:
return {"error": exc}
return {"duration": duration, "bmpThumbnail": bmpData}
def doBmpCalc(queue): try: def calcBmpCallback(song, completion, duration, bmpData): if subview.window() is None: return False # window was closed with self.lock: if song != self.curSong: return False queue.put((duration, bmpData)) return True song.openFile() import ffmpeg bmpThumbRet = ffmpeg.calcBitmapThumbnail(song, 600, 81, procCallback = calcBmpCallback) if bmpThumbRet: queue.put(bmpThumbRet) except: print "doBmpCalc raised exception" sys.excepthook(*sys.exc_info()) queue.put(None)
def _calc_bmpThumbnail(self):
song = Song(url=self.url, _useDb=False)
try:
song.openFile()
except IOError as exc:
return {"error": exc}
song.gain, _ = self.get("gain", accuracy=0,
fastOnly=True) # useful for the adopted BMP
import ffmpeg
try:
# We have song.gain which mostly lowers the volume. So increase here for nicer display.
duration, bmpData = ffmpeg.calcBitmapThumbnail(song,
600,
81,
volume=1.5)
except Exception as exc:
return {"error": exc}
return {"duration": duration, "bmpThumbnail": bmpData}
def _calc_bmpThumbnail(self):
song = Song(url=self.url, _useDb=False)
try:
song.openFile()
except IOError as exc:
return {"error": exc}
# Earlier, we copied the song.gain. Because of some internal ffmpeg redesign,
# ffmpeg currently ignores the gain when it calculates the bmpThumnail.
# But I think the thumbnails actually look better without the gain adoption,
# so I'll just leave it that way now.
import ffmpeg
try:
# We have song.gain which mostly lowers the volume. So increase here for nicer display.
duration, bmpData = ffmpeg.calcBitmapThumbnail(song,
600,
81,
volume=1.5)
except Exception as exc:
return {"error": exc}
return {"duration": duration, "bmpThumbnail": bmpData}
def doBmpCalc(queue):
try:
def calcBmpCallback(song, completion, duration, bmpData):
if subview.window() is None:
return False # window was closed
with self.lock:
if song != self.curSong: return False
queue.put((duration, bmpData))
return True
song.openFile()
import ffmpeg
bmpThumbRet = ffmpeg.calcBitmapThumbnail(
song, 600, 81, procCallback=calcBmpCallback)
if bmpThumbRet:
queue.put(bmpThumbRet)
except:
print "doBmpCalc raised exception"
sys.excepthook(*sys.exc_info())
queue.put(None)
self.f = open(fn) def readPacket(self, bufSize): s = self.f.read(bufSize) return s def seekRaw(self, offset, whence): r = self.f.seek(offset, whence) return self.f.tell() for f in files: ffmpeg.getMetadata(Song(f)) progr() print "after getMetadata" step() for f in files: ffmpeg.calcAcoustIdFingerprint(Song(f)) progr() print "after calcAcoustIdFingerprint" step() for f in files: ffmpeg.calcBitmapThumbnail(Song(f)) progr() print "after calcBitmapThumbnail" step()
"/Users/az/Music/Electronic/Von Paul Kalkbrenner - Aaron.mp3",
"/Users/az/Music/Electronic/One Day_Reckoning Song (Wankelmut Remix) - Asaf Avidan & the Mojos.mp3",
]
i = 5
if len(sys.argv) >= 2: i = int(sys.argv[1])
filename = files[i]
bmpWidth = 500
bmpHeight = 151
bgColor = (50,50,50)
timelineColor = (100,100,100)
timelineInterval = 5 # every 5 sec
assert os.path.isfile(filename)
import ffmpeg
duration, bmp = ffmpeg.calcBitmapThumbnail(Song(filename), bmpWidth, bmpHeight, bgColor, timelineColor, timelineInterval)
def formatTime(t):
if t is None: return "?"
mins = long(t // 60)
t -= mins * 60
hours = mins // 60
mins -= hours * 60
if hours: return "%02i:%02i:%02.0f" % (hours,mins,t)
return "%02i:%02.0f" % (mins,t)
print filename, formatTime(duration)
open("thumbnail.bmp", "w").write(bmp)
os.system("open thumbnail.bmp")
def readPacket(self, bufSize):
s = self.f.read(bufSize)
return s
def seekRaw(self, offset, whence):
r = self.f.seek(offset, whence)
return self.f.tell()
for f in files:
ffmpeg.getMetadata(Song(f))
progr()
print "after getMetadata"
step()
for f in files:
ffmpeg.calcAcoustIdFingerprint(Song(f))
progr()
print "after calcAcoustIdFingerprint"
step()
for f in files:
ffmpeg.calcBitmapThumbnail(Song(f))
progr()
print "after calcBitmapThumbnail"
step()
"/Users/az/Music/Electronic/One Day_Reckoning Song (Wankelmut Remix) - Asaf Avidan & the Mojos.mp3",
]
i = 5
if len(sys.argv) >= 2: i = int(sys.argv[1])
filename = files[i]
bmpWidth = 500
bmpHeight = 151
bgColor = (50, 50, 50)
timelineColor = (100, 100, 100)
timelineInterval = 5 # every 5 sec
assert os.path.isfile(filename)
import ffmpeg
duration, bmp = ffmpeg.calcBitmapThumbnail(Song(filename), bmpWidth, bmpHeight,
bgColor, timelineColor,
timelineInterval)
def formatTime(t):
if t is None: return "?"
mins = long(t // 60)
t -= mins * 60
hours = mins // 60
mins -= hours * 60
if hours: return "%02i:%02i:%02.0f" % (hours, mins, t)
return "%02i:%02.0f" % (mins, t)
print filename, formatTime(duration)
