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Sur d’autres sites (7765)

Flutter streaming with FFmpeg_flutter_kit not reaching server

22 juillet 2024, par Julio Cesar Reis
I'm trying to stream my flutter screen to youtube using FFmpeg flutter kit. Everything seems fine but the output never reaches youtube server.



1. log in using Yt flutter package.
  
  
  
2. create a broadcast
  
  
  
3. create the livestream and bind it to the broadcast
  
  
  
4. get the ingestion address through LiveStreamItem.cdn.ingestionInfo.ingestionAddress
  
  
  
5. stream the frames saved through FFmpeg :
  
  
  
  
  final String rtmpUrl = "ls.cdn.ingestionInfo.ingestionAddress"
  
  
  
  
  final String command = '-re -i $framePath -c:v libx264 -f flv $rtmpUrl';
  
  
  
  
  await FFmpegKit.execute(command);
  
  
  



But at the end I get errors like SESSION_NOT_FOUND, or the stream never reaches the server which keeps my broadcast as ready and not active so I can't go live.




I've tried using the ingestionAddress plus the streamName separated by a slash, I've tried the direct stream using rtmp ://x.rtmp.youtube.com/live2/MY_API_KEY but none of that worked.




ERROR LOG :





I/flutter (19889) : ffmpeg version n6.0 I/flutter (19889) : Copyright
(c) 2000-2023 the FFmpeg developers I/flutter (19889) : I/flutter
(19889) : built with Android (7155654, based on r399163b1) clang
version 11.0.5
(https://android.googlesource.com/toolchain/llvm-project
87f1315dfbea7c137aa2e6d362dbb457e388158d) I/flutter (19889) :

configuration : —cross-prefix=aarch64-linux-android-
—sysroot=/Users/sue/Library/Android/sdk/ndk/22.1.7171670/toolchains/llvm/prebuilt/darwin-x86_64/sysroot
—prefix=/Users/sue/Projects/arthenica/ffmpeg-kit/prebuilt/android-arm64/ffmpeg
—pkg-config=/opt/homebrew/bin/pkg-config —enable-version3 —arch=aarch64 —cpu=armv8-a —target-os=android —enable-neon —enable-asm —enable-inline-asm —ar=aarch64-linux-android-ar —cc=aarch64-linux-android24-clang —cxx=aarch64-linux-android24-clang++ —ranlib=aarch64-linux-android-ranlib —strip=aarch64-linux-android-strip —nm=aarch64-linux-android-nm —extra-libs='-L/Users/sue/Projects/arthenica/ffmpeg-kit/prebuilt/android-arm64/cpu-features/lib
-lndk_compat' —disable-autodetect —enable-cross-compile —enable-pic —enable-jni —enable-optimizations —enable-swscale —disable-static —enable-shared —enable-pthreads —enable-v4l2-m2m —disable-outdev=fbdev —disable-indev=fbdev —enable-small —disable-xmm-clobber-test —disable-debug —enable-lto —disable-neon I/flutter (19889) : libavutil 58. 2.100 / 58. 2.100 I/flutter
(19889) : libavcodec 60. 3.100 / 60. 3.100 I/flutter (19889) :

libavformat 60. 3.100 / 60. 3.100 I/flutter (19889) :

libavdevice 60. 1.100 / 60. 1.100 I/flutter (19889) :

libavfilter 9. 3.100 / 9. 3.100 I/flutter (19889) : libswscale
7. 1.100 / 7. 1.100 I/flutter (19889) : libswresample 4. 10.100 / 4. 10.100 I/flutter (19889) : Input #0, png_pipe, from
'/data/user/0/com.example.poc_stream/cache/frame.png' : I/flutter
(19889) : Duration : I/flutter (19889) : N/A I/flutter (19889) : ,
bitrate : I/flutter (19889) : N/A I/flutter (19889) : I/flutter
(19889) : Stream #0:0 I/flutter (19889) : : Video : png, rgba(pc),
412x771 I/flutter (19889) : , I/flutter (19889) : 25 fps, I/flutter
(19889) : 25 tbr, I/flutter (19889) : 25 tbn I/flutter (19889) :
E/flutter (19889) : [ERROR:flutter/runtime/dart_vm_initializer.cc(41)]
Unhandled Exception : PlatformException(SESSION_NOT_FOUND, Session not
found., null, null) E/flutter (19889) : #0

StandardMethodCodec.decodeEnvelope
(package:flutter/src/services/message_codecs.dart:648:7) E/flutter
(19889) : #1 MethodChannel._invokeMethod
(package:flutter/src/services/platform_channel.dart:334:18) E/flutter
(19889) : E/flutter (19889) : #2

FFmpegKitFactory.mapToNullableSession
(package:ffmpeg_kit_flutter_min_gpl/src/ffmpeg_kit_factory.dart:76:3)
E/flutter (19889) : E/flutter (19889) : #3

FFmpegKitInitializer._processCompleteCallbackEvent.
(package:ffmpeg_kit_flutter_min_gpl/src/ffmpeg_kit_flutter_initializer.dart:213:48)
E/flutter (19889) : E/flutter (19889) :
I/flutter (19889) : Stream mapping : I/flutter (19889) : Stream #0:0 ->
#0:0 I/flutter (19889) : (png (native) -> h264 (libx264)) I/flutter (19889) : I/flutter (19889) : Press [q] to stop, [?] for help I/flutter
(19889) : [libx264 @ 0xb40000736398c190] using cpu capabilities : ARMv8
NEON I/flutter (19889) : [libx264 @ 0xb400007363a92e40] using cpu
capabilities : ARMv8 NEON I/flutter (19889) : [libx264 @
0xb40000736398c190] profile High 4:4:4 Predictive, level 3.0, 4:4:4,
8-bit I/flutter (19889) : [libx264 @ 0xb40000736398c190] 264 - core 164



- H.264/MPEG-4 AVC codec - Copyleft 2003-2023 - http://www.videolan.org/x264.html - options : cabac=1 ref=3
  deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00
  mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0
  deadzone=21,11 fast_pskip=1 chroma_qp_offset=4 threads=6
  lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0
  bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1
  b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250
  keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf
  mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40
  aq=1:1.00 I/flutter (19889) : Output #0, flv, to
  'rtmp ://x.rtmp.youtube.com/live2/x7k6-grm1-z15w-tqb7-akrt' : I/flutter
  (19889) : Metadata : I/flutter (19889) : encoder :
  I/flutter (19889) : Lavf60.3.100 I/flutter (19889) : I/flutter (19889) :
  Stream #0:0 I/flutter (19889) : : Video : h264 ([7][0][0][0] / 0x0007),
  yuv444p(tv, unknown/bt709/iec61966-2-1, progressive), 412x771, q=2-31
  I/flutter (19889) : , I/flutter (19889) : 25 fps, I/flutter (19889) :
  1k tbn I/flutter (19889) : I/flutter (19889) : Metadata : I/flutter
  (19889) : encoder : I/flutter (19889) : Lavc60.3.100
  libx264 I/flutter (19889) : I/flutter (19889) : Side data :
  I/flutter (19889) : I/flutter (19889) : cpb : I/flutter (19889) :
  bitrate max/min/avg : 0/0/0 buffer size : 0 I/flutter (19889) :
  vbv_delay : N/A I/flutter (19889) : I/flutter (19889) : Instance of
  'Statistics' I/flutter (19889) : frame= 0 fps=0.0 q=0.0 size=
  
  0kB time=N/A bitrate=N/A speed=N/A I/flutter (19889) : [libx264 @
  0xb400007363a92e40] profile High 4:4:4 Predictive, level 3.0, 4:4:4,
  8-bit I/flutter (19889) : [libx264 @ 0xb400007363a92e40] 264 - core 164
- H.264/MPEG-4 AVC codec - Copyleft 2003-2023 - http://www.videolan.org/x264.html - options : cabac=1 ref=3
  deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00
  mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0
  deadzone=21,11 fast_pskip=1 chroma_qp_offset=4 threads=6
  lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0
  bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1
  b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250
  keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf
  mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40
  aq=1:1.00 I/flutter (19889) : Output #0, flv, to
  'rtmp ://x.rtmp.youtube.com/live2/x7k6-grm1-z15w-tqb7-akrt' : I/flutter
  (19889) : Metadata : I/flutter (19889) : encoder :
  I/flutter (19889) : Lavf60.3.100 I/flutter (19889) : I/flutter (19889) :
  Stream #0:0 I/flutter (19889) : : Video : h264 ([7][0][0][0] / 0x0007),
  yuv444p(tv, unknown/bt709/iec61966-2-1, progressive), 412x771, q=2-31
  I/flutter (19889) : , I/flutter (19889) : 25 fps, I/flutter (19889) :
  1k tbn I/flutter (19889) : I/flutter (19889) : Metadata : I/flutter
  (19889) : encoder : I/flutter (19889) : Lavc60.3.100
  libx264 I/flutter (19889) : I/flutter (19889) : Side data :
  I/flutter (19889) : I/flutter (19889) : cpb : I/flutter (19889) :
  bitrate max/min/avg : 0/0/0 buffer size : 0 I/flutter (19889) :
  vbv_delay : N/A I/flutter (19889) : I/flutter (19889) : Instance of
  'Statistics' I/flutter (19889) : frame= 0 fps=0.0 q=0.0 size=
  
  0kB time=N/A bitrate=N/A speed=N/A I/flutter (19889) : [flv @
  0xb4000074238c1c30] Failed to update header with correct duration.
  I/flutter (19889) : [flv @ 0xb4000074238c1c30] Failed to update header
  with correct filesize. I/flutter (19889) : Instance of 'Statistics'
  I/flutter (19889) : frame= 1 fps=0.0 q=28.0 Lsize= 4kB
  time=00:00:00.00 bitrate=N/A speed= 0x I/flutter (19889) :
  video:4kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
  muxing overhead : I/flutter (19889) : 8.895621% I/flutter (19889) :
  I/flutter (19889) : [libx264 @ 0xb40000736398c190] frame I:1 Avg
  QP:14.17 size : 2957 I/flutter (19889) : [libx264 @
  0xb40000736398c190] mb I I16..4 : 1.4% 93.3% 5.3% I/flutter (19889) :
  [libx264 @ 0xb40000736398c190] 8x8 transform intra:93.3% I/flutter
  (19889) : [libx264 @ 0xb40000736398c190] coded y,u,v intra : 3.4% 1.4%
  1.7% I/flutter (19889) : [libx264 @ 0xb40000736398c190] i16 v,h,dc,p : 78% 17% 6% 0% I/flutter (19889) : [libx264 @ 0xb40000736398c190] i8
  v,h,dc,ddl,ddr,vr,hd,vl,hu : 36% 0% 64% 0% 0% 0% 0% 0% 0%
  I/flutter (19889) : [libx264 @ 0xb40000736398c190] i4
  v,h,dc,ddl,ddr,vr,hd,vl,hu : 49% 21% 14% 1% 3% 4% 3% 2% 3%
  I/flutter (19889) : [libx264 @ 0xb40000736398c190] kb/s:591.40
  I/flutter (19889) : ffmpeg version n6.0 I/flutter (19889) : Copyright
  (c) 2000-2023 the FFmpeg developers I/flutter (19889) : I/flutter
  (19889) : built with Android (7155654, based on r399163b1) clang
  version 11.0.5
  (https://android.googlesource.com/toolchain/llvm-project 87f1315dfbea7c137aa2e6d362dbb457e388158d) I/flutter (19889) :
  
  configuration : —cross-prefix=aarch64-linux-android-
  —sysroot=/Users/sue/Library/Android/sdk/ndk/22.1.7171670/toolchains/llvm/prebuilt/darwin-x86_64/sysroot
  —prefix=/Users/sue/Projects/arthenica/ffmpeg-kit/prebuilt/android-arm64/ffmpeg
  —pkg-config=/opt/homebrew/bin/pkg-config —enable-version3 —arch=aarch64 —cpu=armv8-a —target-os=android —enable-neon —enable-asm —enable-inline-asm —ar=aarch64-linux-android-ar —cc=aarch64-linux-android24-clang —cxx=aarch64-linux-android24-clang++ —ranlib=aarch64-linux-android-ranlib —strip=aarch64-linux-android-strip —nm=aarch64-linux-android-nm —extra-libs='-L/Users/sue/Projects/arthenica/ffmpeg-kit/prebuilt/android-arm64/cpu-features/lib
  -lndk_compat' —disable-autodetect —enable-cross-compile —enable-pic —enable-jni —enable-optimizations —enable-swscale —disable-static —enable-shared —enable-pthreads —enable-v4l2-m2m —disable-outdev=fbdev —disable-indev=fbdev —enable-small —disable-xmm-clobber-test —disable-debug —enable-lto —disable-neon I/flutter (19889) : libavutil 58. 2.100 / 58. 2.100 I/flutter
  (19889) : libavcodec 60. 3.100 / 60. 3.100 I/flutter (19889) :
  
  libavformat 60. 3.100 / 60. 3.100 I/flutter (19889) :
  
  libavdevice 60. 1.100 / 60. 1.100 I/flutter (19889) :
  
  libavfilter 9. 3.100 / 9. 3.100 I/flutter (19889) : libswscale


1. 1.100 / 7. 1.100 I/flutter (19889) : libswresample 4. 10.100 / 4. 10.100 I/flutter (19889) : [flv @ 0xb4000074238dac30] Failed to
  update header with correct duration. I/flutter (19889) : [flv @
  0xb4000074238dac30] Failed to update header with correct filesize.
  I/flutter (19889) : Instance of 'Statistics' I/flutter (19889) : frame=
  1 fps=0.0 q=28.0 Lsize= 4kB time=00:00:00.00 bitrate=N/A speed=
  0x I/flutter (19889) : video:4kB audio:0kB subtitle:0kB other
  streams:0kB global headers:0kB muxing overhead : I/flutter (19889) :
  8.895621% I/flutter (19889) : I/flutter (19889) : Input #0, png_pipe, from '/data/user/0/com.example.poc_stream/cache/frame.png' : I/flutter
  (19889) : Duration : I/flutter (19889) : N/A I/flutter (19889) : ,
  bitrate : I/flutter (19889) : N/A I/flutter (19889) : I/flutter
  (19889) : Stream #0:0 I/flutter (19889) : : Video : png, rgba(pc),
  412x771 I/flutter (19889) : , I/flutter (19889) : 25 fps, I/flutter
  (19889) : 25 tbr, I/flutter (19889) : 25 tbn I/flutter (19889) :
  I/flutter (19889) : [libx264 @ 0xb400007363a92e40] frame I:1 Avg
  QP:14.17 size : 2957 I/flutter (19889) : [libx264 @
  0xb400007363a92e40] mb I I16..4 : 1.4% 93.3% 5.3% I/flutter (19889) :
  [libx264 @ 0xb400007363a92e40] 8x8 transform intra:93.3% I/flutter
  (19889) : [libx264 @ 0xb400007363a92e40] coded y,u,v intra : 3.4% 1.4%
  1.7% I/flutter (19889) : [libx264 @ 0xb400007363a92e40] i16 v,h,dc,p : 78% 17% 6% 0% I/flutter (19889) : [libx264 @ 0xb400007363a92e40] i8
  v,h,dc,ddl,ddr,vr,hd,vl,hu : 36% 0% 64% 0% 0% 0% 0% 0% 0%
  I/flutter (19889) : [libx264 @ 0xb400007363a92e40] i4
  v,h,dc,ddl,ddr,vr,hd,vl,hu : 49% 21% 14% 1% 3% 4% 3% 2% 3%
  I/flutter (19889) : [libx264 @ 0xb400007363a92e40] kb/s:591.40
  I/flutter (19889) : ffmpeg version n6.0 I/flutter (19889) : Copyright
  (c) 2000-2023 the FFmpeg developers I/flutter (19889) : I/flutter
  (19889) : built with Android (7155654, based on r399163b1) clang
  version 11.0.5
  (https://android.googlesource.com/toolchain/llvm-project
  87f1315dfbea7c137aa2e6d362dbb457e388158d) I/flutter (19889) :
  
  configuration : —cross-prefix=aarch64-linux-android-
  —sysroot=/Users/sue/Library/Android/sdk/ndk/22.1.7171670/toolchains/llvm/prebuilt/darwin-x86_64/sysroot
  —prefix=/Users/sue/Projects/arthenica/ffmpeg-kit/prebuilt/android-arm64/ffmpeg
  —pkg-config=/opt/homebrew/bin/pkg-config —enable-version3 —arch=aarch64 —cpu=armv8-a —target-os=android —enable-neon —enable-asm —enable-inline-asm —ar=aarch64-linux-android-ar —cc=aarch64-linux-android24-clang —cxx=aarch64-linux-android24-clang++ —ranlib=aarch64-linux-android-ranlib —strip=aarch64-linux-android-strip —nm=aarch64-linux-android-nm —extra-libs='-L/Users/sue/Projects/arthenica/ffmpeg-kit/prebuilt/android-arm64/cpu-features/lib
  -lndk_compat' —disable-autodetect —enable-cross-compile —enable-pic —enable-jni —enable-optimizations —enable-swscale —disable-static —enable-shared —enable-pthreads —enable-v4l2-m2m —disable-outdev=fbdev —disable-indev=fbdev —enable-small —disable-xmm-clobber-test —disable-debug —enable-lto —disable-neon I/flutter (19889) : libavutil 58. 2.100 / 58. 2.100 I/flutter
  (19889) : libavcodec 60. 3.100 / 60. 3.100 I/flutter (19889) :
  
  libavformat 60. 3.100 / 60. 3.100 I/flutter (19889) :
  
  libavdevice 60. 1.100 / 60. 1.100 I/flutter (19889) :
  
  libavfilter 9. 3.100 / 9. 3.100 I/flutter (19889) : libswscale
2. 1.100 / 7. 1.100 I/flutter (19889) : libswresample 4. 10.100 / 4. 10.100 I/flutter (19889) : Input #0, png_pipe, from
  '/data/user/0/com.example.poc_stream/cache/frame.png' : E/flutter
  (19889) : [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled
  Exception : PlatformException(SESSION_NOT_FOUND, Session not found.,
  null, null) E/flutter (19889) : #0
  
  StandardMethodCodec.decodeEnvelope
  (package:flutter/src/services/message_codecs.dart:648:7) E/flutter
  (19889) : #1 MethodChannel._invokeMethod
  (package:flutter/src/services/platform_channel.dart:334:18) E/flutter
  (19889) : E/flutter (19889) : #2
  
  FFmpegKitFactory.mapToNullableSession
  (package:ffmpeg_kit_flutter_min_gpl/src/ffmpeg_kit_factory.dart:76:3)
  E/flutter (19889) : E/flutter (19889) : #3
  
  FFmpegKitInitializer._processCompleteCallbackEvent.
  (package:ffmpeg_kit_flutter_min_gpl/src/ffmpeg_kit_flutter_initializer.dart:213:48)
  E/flutter (19889) : E/flutter (19889) :
  I/flutter (19889) : Duration : I/flutter (19889) : N/A I/flutter
  (19889) : , bitrate : I/flutter (19889) : N/A I/flutter (19889) :
  I/flutter (19889) : Stream #0:0 I/flutter (19889) : : Video : png,
  rgba(pc), 412x771 I/flutter (19889) : , I/flutter (19889) : 25 fps,
  I/flutter (19889) : 25 tbr, I/flutter (19889) : 25 tbn I/flutter
  (19889) : E/flutter (19889) :
  [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled
  Exception : PlatformException(SESSION_NOT_FOUND, Session not found.,
  null, null) E/flutter (19889) : #0
  
  StandardMethodCodec.decodeEnvelope
  (package:flutter/src/services/message_codecs.dart:648:7) E/flutter
  (19889) : #1 MethodChannel._invokeMethod
  (package:flutter/src/services/platform_channel.dart:334:18) E/flutter
  (19889) : E/flutter (19889) : #2
  
  FFmpegKitFactory.mapToNullableSession
  (package:ffmpeg_kit_flutter_min_gpl/src/ffmpeg_kit_factory.dart:76:3)
  E/flutter (19889) : E/flutter (19889) : #3
  
  FFmpegKitInitializer._processCompleteCallbackEvent.
  (package:ffmpeg_kit_flutter_min_gpl/src/ffmpeg_kit_flutter_initializer.dart:213:48)
  E/flutter (19889) : E/flutter (19889) :
  I/flutter (19889) : yzsFZWrI_Iw I/flutter (19889) : currentBc :
  yzsFZWrI_Iw I/flutter (19889) : Stream mapping : I/flutter (19889) :
  
  Stream #0:0 -> #0:0 I/flutter (19889) : (png (native) -> h264
  (libx264)) I/flutter (19889) : I/flutter (19889) : Press [q] to stop,
  [?] for help I/flutter (19889) : Stream mapping : I/flutter (19889) :
  
  Stream #0:0 -> #0:0 I/flutter (19889) : (png (native) -> h264
  (libx264)) I/flutter (19889) : I/flutter (19889) : Press [q] to stop,
  [?] for help I/flutter (19889) : [libx264 @ 0xb4000073639665d0] using
  cpu capabilities : ARMv8 NEON I/flutter (19889) : [libx264 @
  0xb4000073639665d0] profile High 4:4:4 Predictive, level 3.0, 4:4:4,
  8-bit I/flutter (19889) : [libx264 @ 0xb4000073639665d0] 264 - core 164


- H.264/MPEG-4 AVC codec - Copyleft 2003-2023 - http://www.videolan.org/x264.html - options : cabac=1 ref=3
  deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00
  mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0
  deadzone=21,11 fast_pskip=1 chroma_qp_offset=4 threads=6
  lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0
  bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1
  b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250
  keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf
  mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40
  aq=1:1.00 I/flutter (19889) : Output #0, flv, to
  'rtmp ://x.rtmp.youtube.com/live2/x7k6-grm1-z15w-tqb7-akrt' : I/flutter
  (19889) : Metadata : I/flutter (19889) : encoder :
  I/flutter (19889) : Lavf60.3.100 I/flutter (19889) : I/flutter (19889) :
  Stream #0:0 I/flutter (19889) : : Video : h264 ([7][0][0][0] / 0x0007),
  yuv444p(tv, unknown/bt709/iec61966-2-1, progressive), 412x771, q=2-31
  I/flutter (19889) : , I/flutter (19889) : 25 fps, I/flutter (19889) :
  1k tbn I/flutter (19889) : I/flutter (19889) : Metadata : I/flutter
  (19889) : encoder : I/flutter (19889) : Lavc60.3.100
  libx264 I/flutter (19889) :

Using FFMPEG with Xvfb, Can't get a smooth video output

13 juillet 2020, par Emax

I'm trying to stream to twitch from a linux server, I've installed Xvfb and FFMPEG, the live starts fine, but I can't get a smooth video output.

Setps :

Xvfb :1 -screen 0 1920x1080x24 &amp;&#xA;export DISPLAY=:1&#xA;&#xA;&#xA;ffmpeg -probesize 60M -video_size "1920x1080" -framerate 60 -f x11grab -i :1.0 -f flv -ac 2 -crf 23 \&#xA;       -vcodec libx264 -g 120 -b:v 3000k -minrate 3000k -maxrate 3000k -pix_fmt yuv420p\&#xA;       -s "1920x1080" -preset veryfast -tune zerolatency -acodec libmp3lame -threads 4 -strict normal \&#xA;       -bufsize 12000k "rtmp://live-mil.twitch.tv/app/<key>"&#xA;</key>

I'm 100% sure that the app I'm trying to record output 60fps

Also the FFMPEG output is

ffmpeg version 4.1.6-1~deb10u1 Copyright (c) 2000-2020 the FFmpeg developers&#xA;  built with gcc 8 (Debian 8.3.0-6)&#xA;  configuration: --prefix=/usr --extra-version=&#x27;1~deb10u1&#x27; --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared&#xA;  libavutil      56. 22.100 / 56. 22.100&#xA;  libavcodec     58. 35.100 / 58. 35.100&#xA;  libavformat    58. 20.100 / 58. 20.100&#xA;  libavdevice    58.  5.100 / 58.  5.100&#xA;  libavfilter     7. 40.101 /  7. 40.101&#xA;  libavresample   4.  0.  0 /  4.  0.  0&#xA;  libswscale      5.  3.100 /  5.  3.100&#xA;  libswresample   3.  3.100 /  3.  3.100&#xA;  libpostproc    55.  3.100 / 55.  3.100&#xA;Input #0, x11grab, from &#x27;:1.0&#x27;:&#xA;  Duration: N/A, start: 1594669358.267783, bitrate: N/A&#xA;    Stream #0:0: Video: rawvideo (BGR[0] / 0x524742), bgr0, 1920x1080, 60 fps, 59.94 tbr, 1000k tbn, 1000k tbc&#xA;Stream mapping:&#xA;  Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))&#xA;Press [q] to stop, [?] for help&#xA;[libx264 @ 0x55a2b7e28ec0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2&#xA;[libx264 @ 0x55a2b7e28ec0] profile High, level 4.2&#xA;[libx264 @ 0x55a2b7e28ec0] 264 - core 155 r2917 0a84d98 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=1 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=2 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=4 lookahead_threads=4 sliced_threads=1 slices=4 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=1 keyint=120 keyint_min=12 scenecut=40 intra_refresh=0 rc_lookahead=0 rc=crf mbtree=0 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=3000 vbv_bufsize=12000 crf_max=0.0 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00&#xA;Output #0, flv, to &#x27;rtmp://live.twitch.tv/app/<key>&#x27;:&#xA;  Metadata:&#xA;    encoder         : Lavf58.20.100&#xA;    Stream #0:0: Video: h264 (libx264) ([7][0][0][0] / 0x0007), yuv420p, 1920x1080, q=-1--1, 3000 kb/s, 60 fps, 1k tbn, 60 tbc&#xA;    Metadata:&#xA;      encoder         : Lavc58.35.100 libx264&#xA;    Side data:&#xA;      cpb: bitrate max/min/avg: 3000000/0/3000000 buffer size: 12000000 vbv_delay: -1&#xA;frame=  436 fps= 61 q=22.0 size=     287kB time=00:00:08.73 bitrate= 269.1kbits/s dup=0 drop=0 speed=1.22x&#xA;</key>

I've also tryed to output the recording to an mp4 video file but I got the same result : a laggy video, It's like ffmpeg is recording the input at a lower framerate than 60, how can I fix this ?

FFmpeg audio dont work in converted videos

28 octobre 2013, par Bar Cumberworth

NOTICE : when i convert videos via terminal and download them from ftp into pc the audio works fine. I use :

if($ext == "avi" &amp;&amp; $convert_avi == true)

            {

                $convert_source = _VIDEOS_DIR_PATH.$new_name;

                $conv_name = substr(md5($file[&#39;name&#39;].rand(1,888)), 2, 10).".mp4";

                $converted_file  = _VIDEOS_DIR_PATH.$conv_name;

                $ffmpeg_command = &#39;ffmpeg -i &#39;.$convert_source.&#39; -acodec libmp3lame -vcodec libx264 -s 1280x720 -ar 44100 -async 44100 -r 29.970 -ac 2 -qscale 5 &#39;.$converted_file;

                echo exec($ffmpeg_command);

                $sql = "UPDATE pm_temp SET url = &#39;".$conv_name."&#39; WHERE url = &#39;".$new_name."&#39; LIMIT 1";

                $result = @mysql_query($sql);

                unlink($convert_source);    

            }

This code to convert avi to mp4 ffmpeg concole output :

root@1tb:~# ffmpeg -i sample.avi -acodec libmp3lame -vcodec libx264 -s 1280x720 -ar 44100 -async 44100 -r 29.970 -ac 2 -qscale 5 goodsample.mp4

ffmpeg version 0.7.15, Copyright (c) 2000-2013 the FFmpeg developers

  built on Feb 22 2013 07:18:58 with gcc 4.4.5

  configuration: --enable-libdc1394 --prefix=/usr --extra-cflags=&#39;-Wall -g &#39; --cc=&#39;ccache cc&#39; --enable-shared --enable-libmp3lame --enable-gpl --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-avfilter --enable-libdirac --disable-decoder=libdirac --enable-libfreetype --enable-libschroedinger --disable-encoder=libschroedinger -                                                                                                                                                             s

  libavutil    50. 43. 0 / 50. 43. 0

  libavcodec   52.123. 0 / 52.123. 0

  libavformat  52.111. 0 / 52.111. 0

  libavdevice  52.  5. 0 / 52.  5. 0

  libavfilter   1. 80. 0 /  1. 80. 0

  libswscale    0. 14. 1 /  0. 14. 1

  libpostproc  51.  2. 0 / 51.  2. 0

[mp3 @ 0x191d4100] Header missing

[mpeg4 @ 0x191d1dc0] Invalid and inefficient vfw-avi packed B frames detected

Input #0, avi, from &#39;sample.avi&#39;:

  Metadata:

    encoder         : VirtualDubMod 1.5.10.2 (build 2540/release)

  Duration: 00:01:01.81, start: 0.000000, bitrate: 1194 kb/s

    Stream #0.0: Video: mpeg4, yuv420p, 640x352 [PAR 1:1 DAR 20:11], 23.98 tbr,

    Stream #0.1: Audio: mp3, 48000 Hz, stereo, s16, 128 kb/s

[buffer @ 0x191d1c80] w:640 h:352 pixfmt:yuv420p tb:1/1000000 sar:1/1 sws_param:

[scale @ 0x191d6880] w:640 h:352 fmt:yuv420p -> w:1280 h:720 fmt:yuv420p flags:0

[libx264 @ 0x191ce5a0] Default settings detected, using medium profile

[libx264 @ 0x191ce5a0] using SAR=45/44

[libx264 @ 0x191ce5a0] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle S

[libx264 @ 0x191ce5a0] profile High, level 3.1

[libx264 @ 0x191ce5a0] 264 - core 118 - H.264/MPEG-4 AVC codec - Copyleft 2003-2                                                                                                                                                             6 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_off                                                                                                                                                             1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_l

Output #0, mp4, to &#39;goodsample.mp4&#39;:

  Metadata:

    encoder         : Lavf52.111.0

    Stream #0.0: Video: libx264, yuv420p, 1280x720 [PAR 45:44 DAR 20:11], q=2-31

    Stream #0.1: Audio: libmp3lame, 44100 Hz, stereo, s16, 64 kb/s

Stream mapping:

  Stream #0.0 -> #0.0

  Stream #0.1 -> #0.1

Press [q] to stop, [?] for help

[mp3 @ 0x191d4100] Header missing

Error while decoding stream #0.1

[mpeg4 @ 0x191d1dc0] Invalid and inefficient vfw-avi packed B frames detected

[mp3 @ 0x191d4100] incomplete frame 9467kB time=00:01:00.32 bitrate=1285.5kbits/

Error while decoding stream #0.1

frame= 1852 fps= 20 q=29.0 Lsize=    9652kB time=00:01:01.72 bitrate=1280.9kbits

video:9121kB audio:483kB global headers:0kB muxing overhead 0.499688%

frame I:11    Avg QP:16.78  size: 51456

[libx264 @ 0x191ce5a0] frame P:784   Avg QP:20.81  size:  8954

[libx264 @ 0x191ce5a0] frame B:1057  Avg QP:26.06  size:  1659

[libx264 @ 0x191ce5a0] consecutive B-frames: 22.0%  3.1%  7.5% 67.4%

[libx264 @ 0x191ce5a0] mb I  I16..4: 31.1% 59.8%  9.1%

[libx264 @ 0x191ce5a0] mb P  I16..4:  1.8%  2.6%  0.2%  P16..4: 24.3%  7.0%  4.0

[libx264 @ 0x191ce5a0] mb B  I16..4:  0.1%  0.1%  0.0%  B16..8: 22.7%  0.8%  0.2

[libx264 @ 0x191ce5a0] 8x8 transform intra:57.0% inter:72.6%

[libx264 @ 0x191ce5a0] coded y,uvDC,uvAC intra: 44.4% 33.3% 10.3% inter: 7.6% 5.

[libx264 @ 0x191ce5a0] i16 v,h,dc,p: 68% 14%  8% 10%

[libx264 @ 0x191ce5a0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 21% 14% 27%  5%  7%  7%  6

[libx264 @ 0x191ce5a0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 28% 14% 14%  6% 10%  9%  7

[libx264 @ 0x191ce5a0] i8c dc,h,v,p: 67% 13% 17%  3%

[libx264 @ 0x191ce5a0] Weighted P-Frames: Y:1.9% UV:0.4%

[libx264 @ 0x191ce5a0] ref P L0: 62.2% 12.8% 10.3% 14.5%  0.2%

[libx264 @ 0x191ce5a0] ref B L0: 88.1%  5.5%  6.4%

[libx264 @ 0x191ce5a0] ref B L1: 95.7%  4.3%

[libx264 @ 0x191ce5a0] kb/s:1209.03

I know there is couple errors tough, but i dont know hot to fix it. Also i would be very thankfull if someone can help reduce video size but is not main problem video weights as original avi but sill.

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