I’m trying to generate a video and audio for every 40ms in a separate files and sending it to the cloud for a live stream, but created videos and audio’s are unable to play using ffplay.
Command:
ffmpeg -f alsa -thread_queue_size 1024 -i hw:0 -f video4linux2 -i /dev/video0 -c:a aac -ar 48k -t 0:10 -segment_time 00:00.04 -f segment sample-%003d.aac -c:v h264 -force_key_frames "expr:gte(t,n_forced*0.04)" -pix_fmt yuv420p -s:v 640x480 -t 0:10 -r 25 -g 1 -segment_time 00:00.04 -f segment frame-%003d.h264
Error:
frame-001.h264: Invalid data found when processing input.
Console output:
configuration: --prefix=/usr --extra-version=0ubuntu0.2 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared libavutil 55. 78.100 / 55. 78.100 libavcodec 57.107.100 / 57.107.100 libavformat 57. 83.100 / 57. 83.100 libavdevice 57. 10.100 / 57. 10.100 libavfilter 6.107.100 / 6.107.100 libavresample 3. 7. 0 / 3. 7. 0 libswscale 4. 8.100 / 4. 8.100 libswresample 2. 9.100 / 2. 9.100 libpostproc 54. 7.100 / 54. 7.100 Guessed Channel Layout for Input Stream #0.0 : stereo Input #0, alsa, from 'hw:0': Duration: N/A, start: 1610338632.931406, bitrate: 1536 kb/s Stream #0:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s Input #1, video4linux2,v4l2, from '/dev/video0': Duration: N/A, start: 3405.427360, bitrate: 147456 kb/s Stream #1:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 640x480, 147456 kb/s, 30 fps, 30 tbr, 1000k tbn, 1000k tbc Stream mapping: Stream #0:0 -> #0:0 (pcm_s16le (native) -> aac (native))
Stream #1:0 -> #1:0 (rawvideo (native) -> h264 (libx264)) Press [q] to stop, [?] for help [alsa @ 0x55777d96fe00] ALSA buffer xrun. [segment @ 0x55777d983d80] Opening 'sample-000.aac' for writing Output #0, segment, to 'sample-%003d.aac': Metadata: encoder : Lavf57.83.100 Stream #0:0: Audio: aac (LC), 48000 Hz, stereo, fltp, 128 kb/s Metadata: encoder : Lavc57.107.100 aac [libx264 @ 0x55777d98fa20] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 [libx264 @ 0x55777d98fa20] profile High, level 3.0 [libx264 @ 0x55777d98fa20] 264
- core 152 r2854 e9a5903 - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html - options: cabac=1 ref=1 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=1 keyint_min=1 scenecut=40 intra_refresh=0 rc=crf mbtree=0 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00 [segment @ 0x55777d98dda0] Opening 'frame-000.h264' for writing Output #1, segment, to 'frame-%003d.h264': Metadata: encoder : Lavf57.83.100 Stream #1:0: Video: h264 (libx264), yuv420p, 640x480, q=-1--1, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc57.107.100 libx264 Side data: cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1 [segment @ 0x55777d983d80] Opening 'sample-001.aac' for writing [segment @ 0x55777d98dda0] Opening 'frame-001.h264' for writing [segment @ 0x55777d98dda0] Opening 'frame-002.h264' for writing [segment @ 0x55777d98dda0] Opening 'frame-003.h264' for writing [segment @ 0x55777d98dda0] Opening 'frame-004.h264' for writing [segment @ 0x55777d98dda0] Opening 'frame-005.h264' for writing [segment @ 0x55777d98dda0] Opening 'frame-006.h264' for writingA dup=1 drop=0 speed=1.07x ... [segment @ 0x55777d98dda0] Opening 'frame-018.h264' for writingA dup=5 drop=0 speed=0.714x ...
[segment @ 0x55777d98dda0] Opening 'frame-029.h264' for writingA dup=12 drop=0 speed=0.768x ... [segment @ 0x55777d98dda0] Opening 'frame-042.h264' for writingA dup=21 drop=0 speed=0.834x ... [segment @ 0x55777d983d80] Opening 'sample-055.aac' for writingA dup=31 drop=0 speed=0.89x ... [segment @ 0x55777d98dda0] Opening 'frame-067.h264' for writingA dup=39 drop=0 speed=0.887x ... [segment @ 0x55777d98dda0] Opening 'frame-081.h264' for writingA dup=49 drop=0 speed=0.92x ... [segment @ 0x55777d98dda0] Opening 'frame-091.h264' for writingA dup=56 drop=0 speed=0.904x ... [segment @ 0x55777d98dda0] Opening 'frame-105.h264' for writingA dup=66 drop=0 speed=0.927x ... [segment @ 0x55777d98dda0] Opening 'frame-119.h264' for writingA dup=76 drop=0 speed=0.944x ... [segment @ 0x55777d98dda0] Opening 'frame-130.h264' for writingA dup=84 drop=0 speed=0.938x ... [segment @ 0x55777d98dda0] Opening 'frame-144.h264' for writingA dup=94 drop=0 speed=0.952x ... [segment @ 0x55777d983d80] Opening 'sample-154.aac' for writingA dup=103 drop=0 speed=0.958x ... [segment @ 0x55777d98dda0] Opening 'frame-168.h264' for writingA dup=111 drop=0 speed=0.952x ... [segment @ 0x55777d98dda0] Opening 'frame-182.h264' for writingA dup=121 drop=0 speed=0.962x ... [segment @ 0x55777d98dda0] Opening 'frame-193.h264' for writingA dup=129 drop=0 speed=0.956x ... [segment @ 0x55777d98dda0] Opening 'frame-207.h264' for writingA dup=139 drop=0 speed=0.965x ... [segment @ 0x55777d983d80] Opening 'sample-218.aac' for writingA dup=149 drop=0 speed=0.974x ... [segment @ 0x55777d98dda0] Opening 'frame-231.h264' for writingA dup=156 drop=0 speed=0.964x ... [segment @ 0x55777d98dda0] Opening 'frame-249.h264' for writing frame= 250 fps= 24 q=-1.0 Lsize=N/A time=00:00:10.00 bitrate=N/A dup=168 drop=0 speed=0.98x
video:2707kB audio:149kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown [aac @ 0x55777d98cf00] Qavg: 260.500 [libx264 @ 0x55777d98fa20] frame I:250 Avg QP:26.77 size: 11085 [libx264 @ 0x55777d98fa20] mb I I16..4: 13.4% 72.3% 14.3% [libx264 @ 0x55777d98fa20] 8x8 transform intra:72.3% [libx264 @ 0x55777d98fa20] coded y,uvDC,uvAC intra: 54.2% 91.6% 64.5% [libx264 @ 0x55777d98fa20] i16 v,h,dc,p: 13% 18% 6% 62% [libx264 @ 0x55777d98fa20] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 18% 16% 6% 7% 6% 12% 5% 10% [libx264 @ 0x55777d98fa20] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 28% 18% 11% 6% 8% 8% 10% 5% 6% [libx264 @ 0x55777d98fa20] i8c dc,h,v,p: 58% 20% 15% 7% [libx264 @ 0x55777d98fa20] kb/s:2216.90
