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Exemple de boutons d’action pour une collection collaborative
27 février 2013, par
Mis à jour : Mars 2013
Langue : français
Type : Image
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Exemple de boutons d’action pour une collection personnelle
27 février 2013, par
Mis à jour : Février 2013
Langue : English
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Sur d’autres sites (7012)
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ffmpeg -master_pl_name grabbing the correct codec
10 juin 2020, par user1503606I am using the following ffmpeg command to generate my hls playlist with the FFmpeg option -master_pl_name set.



ffmpeg -i becky.mov \
-i becky.mov \
-i becky.mov \
-i becky.mov \
-s:v:0 1920x1080 -c:v:0 libx264 -b:v:0 4000k \
-s:v:1 1280x720 -c:v:1 libx264 -b:v:1 2000k \
-s:v:2 854x480 -c:v:2 libx264 -b:v:2 1000k \
-s:v:3 640x360 -c:v:3 libx264 -b:v:3 600k \
-c:a:0 copy \
-map 0:a -map 0:v -map 1:v -map 2:v -map 3:v \
-var_stream_map "a:0,agroup:audio v:0,agroup:audio v:1,agroup:audio v:2,agroup:audio v:3,agroup:audio" \
-threads 0 -f hls -movflags frag_keyframe -hls_flags single_file+independent_segments \
-hls_segment_type fmp4 -hls_list_size 0 -hls_time 10 -hls_allow_cache 1 \
-master_pl_name master.m3u8 -y burnt/demo2/list_%v/master.m3u8



This is fine and will give me a master.m3u8 file that looks like this.



#EXTM3U
#EXT-X-VERSION:3
#EXT-X-STREAM-INF:BANDWIDTH=1047200,RESOLUTION=640x272,CODECS="avc1.4d4815,mp4a.40.2"
pl_0.m3u8

#EXT-X-STREAM-INF:BANDWIDTH=1788600,RESOLUTION=842x358,CODECS="avc1.4d481e,mp4a.40.2"
pl_1.m3u8

#EXT-X-STREAM-INF:BANDWIDTH=3436400,RESOLUTION=1280x544,CODECS="avc1.4d481f,mp4a.40.2"
pl_2.m3u8

#EXT-X-STREAM-INF:BANDWIDTH=6096200,RESOLUTION=1920x816,CODECS="avc1.4d4828,mp4a.40.2"
pl_3.m3u8



The problem that I have is I need to generate my master.m3u8 file manually as I am also generating subtitles and audio description groups. I am using ffprobe to do this.



But I am not sure how to get the CODECS="avc1.4d4815,mp4a.40.2" value to then insert it into my master.m3u8 file.



My ffprobe output doesn't seem to give any of that information here is the full output.



{
 "streams": [{
 "index": 0,
 "codec_name": "h264",
 "codec_long_name": "H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10",
 "profile": "Main",
 "codec_type": "video",
 "codec_time_base": "1001/48000",
 "codec_tag_string": "[27][0][0][0]",
 "codec_tag": "0x001b",
 "width": 640,
 "height": 272,
 "coded_width": 640,
 "coded_height": 272,
 "has_b_frames": 2,
 "pix_fmt": "yuv420p",
 "level": 21,
 "chroma_location": "left",
 "refs": 1,
 "is_avc": "false",
 "nal_length_size": "0",
 "r_frame_rate": "24000/1001",
 "avg_frame_rate": "24000/1001",
 "time_base": "1/90000",
 "start_pts": 7508,
 "start_time": "0.083422",
 "bits_per_raw_sample": "8",
 "disposition": {
 "default": 0,
 "dub": 0,
 "original": 0,
 "comment": 0,
 "lyrics": 0,
 "karaoke": 0,
 "forced": 0,
 "hearing_impaired": 0,
 "visual_impaired": 0,
 "clean_effects": 0,
 "attached_pic": 0,
 "timed_thumbnails": 0
 },
 "tags": {
 "variant_bitrate": "800000"
 }
 },
 {
 "index": 1,
 "codec_name": "aac",
 "codec_long_name": "AAC (Advanced Audio Coding)",
 "profile": "LC",
 "codec_type": "audio",
 "codec_time_base": "1/48000",
 "codec_tag_string": "[15][0][0][0]",
 "codec_tag": "0x000f",
 "sample_fmt": "fltp",
 "sample_rate": "48000",
 "channels": 2,
 "channel_layout": "stereo",
 "bits_per_sample": 0,
 "r_frame_rate": "0/0",
 "avg_frame_rate": "0/0",
 "time_base": "1/90000",
 "start_pts": 5588,
 "start_time": "0.062089",
 "disposition": {
 "default": 0,
 "dub": 0,
 "original": 0,
 "comment": 0,
 "lyrics": 0,
 "karaoke": 0,
 "forced": 0,
 "hearing_impaired": 0,
 "visual_impaired": 0,
 "clean_effects": 0,
 "attached_pic": 0,
 "timed_thumbnails": 0
 },
 "tags": {
 "variant_bitrate": "800000"
 }
 },
 {
 "index": 2,
 "codec_name": "h264",
 "codec_long_name": "H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10",
 "profile": "Main",
 "codec_type": "video",
 "codec_time_base": "1001/48000",
 "codec_tag_string": "[27][0][0][0]",
 "codec_tag": "0x001b",
 "width": 842,
 "height": 358,
 "coded_width": 848,
 "coded_height": 368,
 "has_b_frames": 2,
 "pix_fmt": "yuv420p",
 "level": 30,
 "chroma_location": "left",
 "refs": 1,
 "is_avc": "false",
 "nal_length_size": "0",
 "r_frame_rate": "24000/1001",
 "avg_frame_rate": "24000/1001",
 "time_base": "1/90000",
 "start_pts": 7508,
 "start_time": "0.083422",
 "bits_per_raw_sample": "8",
 "disposition": {
 "default": 0,
 "dub": 0,
 "original": 0,
 "comment": 0,
 "lyrics": 0,
 "karaoke": 0,
 "forced": 0,
 "hearing_impaired": 0,
 "visual_impaired": 0,
 "clean_effects": 0,
 "attached_pic": 0,
 "timed_thumbnails": 0
 },
 "tags": {
 "variant_bitrate": "1400000"
 }
 },
 {
 "index": 3,
 "codec_name": "aac",
 "codec_long_name": "AAC (Advanced Audio Coding)",
 "profile": "LC",
 "codec_type": "audio",
 "codec_time_base": "1/48000",
 "codec_tag_string": "[15][0][0][0]",
 "codec_tag": "0x000f",
 "sample_fmt": "fltp",
 "sample_rate": "48000",
 "channels": 2,
 "channel_layout": "stereo",
 "bits_per_sample": 0,
 "r_frame_rate": "0/0",
 "avg_frame_rate": "0/0",
 "time_base": "1/90000",
 "start_pts": 5588,
 "start_time": "0.062089",
 "disposition": {
 "default": 0,
 "dub": 0,
 "original": 0,
 "comment": 0,
 "lyrics": 0,
 "karaoke": 0,
 "forced": 0,
 "hearing_impaired": 0,
 "visual_impaired": 0,
 "clean_effects": 0,
 "attached_pic": 0,
 "timed_thumbnails": 0
 },
 "tags": {
 "variant_bitrate": "1400000"
 }
 },
 {
 "index": 4,
 "codec_name": "h264",
 "codec_long_name": "H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10",
 "profile": "Main",
 "codec_type": "video",
 "codec_time_base": "1001/48000",
 "codec_tag_string": "[27][0][0][0]",
 "codec_tag": "0x001b",
 "width": 1280,
 "height": 544,
 "coded_width": 1280,
 "coded_height": 544,
 "has_b_frames": 2,
 "pix_fmt": "yuv420p",
 "level": 31,
 "chroma_location": "left",
 "refs": 1,
 "is_avc": "false",
 "nal_length_size": "0",
 "r_frame_rate": "24000/1001",
 "avg_frame_rate": "24000/1001",
 "time_base": "1/90000",
 "start_pts": 7508,
 "start_time": "0.083422",
 "bits_per_raw_sample": "8",
 "disposition": {
 "default": 0,
 "dub": 0,
 "original": 0,
 "comment": 0,
 "lyrics": 0,
 "karaoke": 0,
 "forced": 0,
 "hearing_impaired": 0,
 "visual_impaired": 0,
 "clean_effects": 0,
 "attached_pic": 0,
 "timed_thumbnails": 0
 },
 "tags": {
 "variant_bitrate": "2800000"
 }
 },
 {
 "index": 5,
 "codec_name": "aac",
 "codec_long_name": "AAC (Advanced Audio Coding)",
 "profile": "LC",
 "codec_type": "audio",
 "codec_time_base": "1/48000",
 "codec_tag_string": "[15][0][0][0]",
 "codec_tag": "0x000f",
 "sample_fmt": "fltp",
 "sample_rate": "48000",
 "channels": 2,
 "channel_layout": "stereo",
 "bits_per_sample": 0,
 "r_frame_rate": "0/0",
 "avg_frame_rate": "0/0",
 "time_base": "1/90000",
 "start_pts": 5588,
 "start_time": "0.062089",
 "disposition": {
 "default": 0,
 "dub": 0,
 "original": 0,
 "comment": 0,
 "lyrics": 0,
 "karaoke": 0,
 "forced": 0,
 "hearing_impaired": 0,
 "visual_impaired": 0,
 "clean_effects": 0,
 "attached_pic": 0,
 "timed_thumbnails": 0
 },
 "tags": {
 "variant_bitrate": "2800000"
 }
 },
 {
 "index": 6,
 "codec_name": "h264",
 "codec_long_name": "H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10",
 "profile": "Main",
 "codec_type": "video",
 "codec_time_base": "1001/48000",
 "codec_tag_string": "[27][0][0][0]",
 "codec_tag": "0x001b",
 "width": 1920,
 "height": 816,
 "coded_width": 1920,
 "coded_height": 816,
 "has_b_frames": 2,
 "pix_fmt": "yuv420p",
 "level": 40,
 "chroma_location": "left",
 "refs": 1,
 "is_avc": "false",
 "nal_length_size": "0",
 "r_frame_rate": "24000/1001",
 "avg_frame_rate": "24000/1001",
 "time_base": "1/90000",
 "start_pts": 7508,
 "start_time": "0.083422",
 "bits_per_raw_sample": "8",
 "disposition": {
 "default": 0,
 "dub": 0,
 "original": 0,
 "comment": 0,
 "lyrics": 0,
 "karaoke": 0,
 "forced": 0,
 "hearing_impaired": 0,
 "visual_impaired": 0,
 "clean_effects": 0,
 "attached_pic": 0,
 "timed_thumbnails": 0
 },
 "tags": {
 "variant_bitrate": "5000000"
 }
 },
 {
 "index": 7,
 "codec_name": "aac",
 "codec_long_name": "AAC (Advanced Audio Coding)",
 "profile": "LC",
 "codec_type": "audio",
 "codec_time_base": "1/48000",
 "codec_tag_string": "[15][0][0][0]",
 "codec_tag": "0x000f",
 "sample_fmt": "fltp",
 "sample_rate": "48000",
 "channels": 2,
 "channel_layout": "stereo",
 "bits_per_sample": 0,
 "r_frame_rate": "0/0",
 "avg_frame_rate": "0/0",
 "time_base": "1/90000",
 "start_pts": 5588,
 "start_time": "0.062089",
 "disposition": {
 "default": 0,
 "dub": 0,
 "original": 0,
 "comment": 0,
 "lyrics": 0,
 "karaoke": 0,
 "forced": 0,
 "hearing_impaired": 0,
 "visual_impaired": 0,
 "clean_effects": 0,
 "attached_pic": 0,
 "timed_thumbnails": 0
 },
 "tags": {
 "variant_bitrate": "5000000"
 }
 }
 ],
 "format": {
 "filename": "master.m3u8",
 "nb_streams": 8,
 "nb_programs": 4,
 "format_name": "hls",
 "format_long_name": "Apple HTTP Live Streaming",
 "start_time": "0.062089",
 "duration": "169.180238",
 "size": "575",
 "bit_rate": "27",
 "probe_score": 100
 }
}



Can someone point me in the right direction ?



Thanks


-
FFmpeg error while converting from MP4 to MP3 in Python
4 février 2024, par Jack142When I try to convert videos from a YouTube playlist, it gives me an error :




File "C :\Users\fonti\AppData\Local\Programs\Python\Python310\lib\site-packages\ffmpy.py", line 106, in run
raise FFRuntimeError(self.cmd, self.process.returncode, out[0], out[1])
ffmpy.FFRuntimeError :
C:/ffmpeg/bin/ffmpeg.exe -i "Nightcore - To Be Human // lyrics.mp4" "Nightcore - To Be Human // lyrics.mp3"exited with status 1



The code I'm using :


from pytube import Playlist
import ffmpy
from ffmpy import FFmpeg

playlistLink = input("Introduz o link da Playlist: ")
playlist = Playlist(playlistLink) 

diretório = 'E'
while diretório != 'M' and diretório != 'V':
 diretório = input("Vais baixar música ou vídeos? (M/V)")
 if diretório == 'M':
 downloadDirectory = "C:/Users/fonti/Documents/Projetos Python/Youtube/Músicas"
 elif diretório == 'V':
 downloadDirectory = "C:/Users/fonti/Documents/Projetos Python/Youtube/Vídeos"

print("Número total de vídeos a baixar: ", len(playlist.video_urls)) 

print("\n\n Links dos vídeos:\n")

for url in playlist.video_urls:
 print(url) 

def MP3():
 for video in playlist.videos:

 audio = video.streams.get_audio_only()
 
 audio.download(downloadDirectory)

 videoTitle = video.title
 
 new_filename = videoTitle + '.mp3'
 default_filename = videoTitle + '.mp4'
 
 print(default_filename+'\n\n'+new_filename)

 ff = ffmpy.FFmpeg(
 executable = 'C:/ffmpeg/bin/ffmpeg.exe',
 inputs={default_filename : None},
 outputs={new_filename : None}
 )
 ff.run()


def MP4():
 for video in playlist.videos:
 print('Downloading : {} with url : {}'.format(video.title, video.watch_url))
 video.streams.\
 filter(type='video', progressive=True, file_extension='mp4').\
 order_by('resolution').\
 desc().\
 first().\
 download(downloadDirectory)

escolha = 'E'
while escolha != 'V' and escolha != 'A':
 escolha = input("Queres formato de vídeo ou áudio (V/A)? ")
 if escolha == 'V':
 MP4()
 elif escolha == 'A':
 MP3()
 else:
 print("Escolha inválida")


If I try to download the videos from the playlist, it works fine. But when I try to download the audios, it gives me the error.


-
Documentation #4777 (Fermé) : Les labels et chaines de langue avec ou sans deux points.
1er juin 2021Appliqué avec https://git.spip.net/spip/spip/commit/f4173fd3
TODO : à documenter.
Syndiquer tout le site
