commit 6780ea992468ed081de44229db5525b2abfe940a
parent 75b365482425379b1e88302e8f7b453bce249ca8
Author: rbckman <rob@tarina.org>
Date: Wed, 17 Dec 2025 11:36:31 +0000
frame rate ratio and audio sync, change tempo to speed
Diffstat:
| M | gonzopi.py | | | 34 | +++++++++++++++++++++++----------- |
1 file changed, 23 insertions(+), 11 deletions(-)
diff --git a/gonzopi.py b/gonzopi.py
@@ -1635,6 +1635,14 @@ def main():
picturename = 'picture' + str(take).zfill(3)
recordable = not os.path.isfile(foldername + filename + '.mp4') and not os.path.isfile(foldername + filename + '.h264') and not os.path.isfile(foldername + picturename + '.jpeg')
if recording == False and recordable == True or recording == False and pressed == 'record_now' or recording == False and pressed == 'retake_now':
+ #calculate ratio
+ syncratio=0.9998
+ if int(round(fps)) != int(film_fps):
+ syncratio=24.989/fps-((1.0-syncratio)/24.989*fps)
+ #syncratio=24.989/fps-((1.0-syncratio)/24.989*fps)
+ #syncratio=25/fps
+ #print('fuuuuuuuuuuu: '+str(syncratio))
+ #time.sleep(5)
#camera_recording=0
scenes, shots, takes = browse(filmname,filmfolder,scene,shot,take)
if pressed == "record":
@@ -1690,7 +1698,8 @@ def main():
db.insert('videos', tid=datetime.datetime.now(), filename=filmfolder+'.videos/'+video_origins+'.mp4', foldername=foldername, filmname=filmname, scene=scene, shot=shot, take=take, audiolength=0, videolength=0)
#os.system(gonzopifolder + '/alsa-utils-1.1.3/aplay/arecord -D hw:' + str(plughw) + ' -f '+soundformat+' -c ' + str(channels) + ' -r '+soundrate+' -vv '+filmfolder+ '.videos/'+video_origins+'.wav &')
#START RECORDING AUDIO AND FINETUNE IT FOR PICAMERA CLOCK
- os.system(gonzopifolder + '/alsa-utils-1.1.3/aplay/arecord -D hw:' + str(plughw) + ' -f '+soundformat+' -c ' + str(channels) + ' -r '+soundrate+' -vv - | sox -t raw -r '+soundrate+' -c '+str(channels)+' -b 16 -e signed - -t wav '+filmfolder+ '.videos/'+video_origins+'.wav tempo 0.9998 &') #99933 if sound lags behind reduce with 0.0001 or even finer
+
+ os.system(gonzopifolder + '/alsa-utils-1.1.3/aplay/arecord -D hw:' + str(plughw) + ' -f '+soundformat+' -c ' + str(channels) + ' -r '+soundrate+' -vv - | sox -t raw -r '+soundrate+' -c '+str(channels)+' -b 16 -e signed - -t wav '+filmfolder+ '.videos/'+video_origins+'.wav speed '+str(syncratio)+' &') #magic number is 0.9998, if sound lags behind reduce with 0.0001 or even finer
sound_start = time.time()
if onlysound != True:
#camera.start_recording(filmfolder+ '.videos/'+video_origins+'.h264', format='h264', bitrate = bitrate, level=profilelevel, quality=quality, intra_period=1)
@@ -1769,8 +1778,8 @@ def main():
buzz(300)
else:
run_command('aplay -D plughw:' + str(plughw) + ' '+ gonzopifolder + '/extras/beep.wav')
- if int(round(fps)) != int(film_fps):
- compileshot(foldername + filename,filmfolder,filmname)
+ #if int(round(fps)) != int(film_fps):
+ # compileshot(foldername + filename,filmfolder,filmname)
#os.system('cp /dev/shm/' + filename + '.wav ' + foldername + filename + '.wav')
if beeps > 0:
if bus:
@@ -2088,7 +2097,9 @@ def main():
if fps_selected < len(fps_selection)-1:
fps_selected+=1
fps=fps_selection[fps_selected]
- camera.framerate = fps
+ camera = stopcamera_preview(camera)
+ camera.framerate = fps
+ camera = startcamera_preview(camera)
elif menu[selected] == 'Q:':
if quality < 39:
quality += 1
@@ -2337,7 +2348,9 @@ def main():
if fps_selected > 0:
fps_selected-=1
fps=fps_selection[fps_selected]
- camera.framerate = fps
+ camera = stopcamera_preview(camera)
+ camera.framerate = fps
+ camera = startcamera_preview(camera)
elif menu[selected] == 'Q:':
if quality > 10:
quality -= 1
@@ -5037,11 +5050,10 @@ def compileshot(filename,filmfolder,filmname):
#if there is no audio length
vumetermessage('creating audio track...')
audiosilence(filename)
-
- fps_rounded=round(fps)
- if int(fps) != int(film_fps):
- vumetermessage('stretching audio...')
- stretchaudio(filename,fps)
+ #fps_rounded=round(fps)
+ #if int(fps) != int(film_fps):
+ # vumetermessage('stretching audio...')
+ # stretchaudio(filename,fps)
if int(audiolength) != int(videolength):
vumetermessage('trimming audio to video...')
audiosync, videolength, audiolength = audiotrim(filename, 'end','')
@@ -7756,7 +7768,7 @@ def startcamera(camera):
#fps_selection=[5,15,24.985,35,49]
#if sound is gettin before pic add 0.001
#fps_selection=[5,8,10,11,12,13,14,15,24.989,35,49]-0.67s 1800s
- fps_selection=[5,8,10,11,12,13,14,15,24.989,35,49]#-0.4s 600s
+ fps_selection=[5,8,10,11,12,13,14,15,24.989,30,35,40,42,45,49]#-0.4s 600s
#fps_selection=[5,8,10,11,12,13,14,15,24.9888,35,49]+078 300s
#fps_selection=[5,8,10,11,12,13,14,15,24.987,35,49]+1s 300s
fps=fps_selection[fps_selected]
