如何使用ffmpeg将无限音频插入直播流？
我使用以下命令将无限音频插入如何使用ffmpeg将无限音频插入直播流？,ffmpeg,Ffmpeg,我使用以下命令将无限音频插入rtsp流，但-stream\u loop-1不起作用。如何修复它 ffmpeg -i rtsp://admin:12345@192.168.31.104/h264/ch1/main/av_stream -stream_loop -1 -i blank.aac -vcodec libx264 -acodec aac -f flv rtmp://localhost/live/test 这是我执行以下命令时的完整控制台： ffmpeg -i "rtsp://admi
rtsp-stream\u loop-1ffmpeg -i rtsp://admin:12345@192.168.31.104/h264/ch1/main/av_stream -stream_loop -1 -i blank.aac -vcodec libx264 -acodec aac -f flv rtmp://localhost/live/test
ffmpeg -i "rtsp://admin:admin@192.168.31.140:554/cam/realmonitor?channel=1&subtype=0" -f lavfi -i anullsrc -vcodec libx264 -acodec aac -f flv rtmp://live.lamp.mowainfo.com:11935/live/test
mowa@OpenWRT-Dev:~$ ffmpeg -i "rtsp://admin:admin@192.168.31.140:554/cam/realmonitor?channel=1&subtype=0" -f lavfi -i anullsrc -vcodec libx264 -acodec aac -f flv rtmp://live.lamp.mowainfo.com:11935/live/test
ffmpeg version N-86764-ga824685 Copyright (c) 2000-2017 the FFmpeg developers
built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.4) 20160609
configuration: --enable-nonfree --enable-gpl --enable-libx264 --enable-zlib
libavutil 55. 67.100 / 55. 67.100
libavcodec 57.100.104 / 57.100.104
libavformat 57. 75.100 / 57. 75.100
libavdevice 57. 7.100 / 57. 7.100
libavfilter 6. 95.100 / 6. 95.100
libswscale 4. 7.101 / 4. 7.101
libswresample 2. 8.100 / 2. 8.100
libpostproc 54. 6.100 / 54. 6.100
Guessed Channel Layout for Input Stream #0.1 : mono
Input #0, rtsp, from 'rtsp://admin:admin@192.168.31.140:554/cam/realmonitor?channel=1&subtype=0':
Metadata:
title : RTSP Session/2.0
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #0:0: Video: h264 (Main), yuv420p(progressive), 1280x720, 25.08 tbr, 90k tbn, 180k tbc
Stream #0:1: Audio: pcm_alaw, 8000 Hz, mono, s16, 64 kb/s
Input #1, lavfi, from 'anullsrc':
Duration: N/A, start: 0.000000, bitrate: 705 kb/s
Stream #1:0: Audio: pcm_u8, 44100 Hz, stereo, u8, 705 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Stream #1:0 -> #0:1 (pcm_u8 (native) -> aac (native))
Press [q] to stop, [?] for help
[rtsp @ 0x23d0520] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8)
[libx264 @ 0x244d200] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
[libx264 @ 0x244d200] profile High, level 3.1
[libx264 @ 0x244d200] 264 - core 148 r2643 5c65704 - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - 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=-2 threads=12 lookahead_threads=2 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
Output #0, flv, to 'rtmp://live.lamp.mowainfo.com:11935/live/test':
Metadata:
title : RTSP Session/2.0
encoder : Lavf57.75.100
Stream #0:0: Video: h264 (libx264) ([7][0][0][0] / 0x0007), yuv420p, 1280x720, q=-1--1, 25.08 fps, 1k tbn, 25.08 tbc
Metadata:
encoder : Lavc57.100.104 libx264
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
Stream #0:1: Audio: aac (LC) ([10][0][0][0] / 0x000A), 44100 Hz, stereo, fltp, 128 kb/s
Metadata:
encoder : Lavc57.100.104 aac
Past duration 0.642738 too large 13286kB time=00:03:50.22 bitrate= 472.8kbits/s dup=0 drop=4 speed=0.985x
如果您想要空白音频，则可以使用源过滤器：
ffmpeg -i rtsp://admin:12345@192.168.31.104/h264/ch1/main/av_stream -f lavfi -i anullsrc=cl=mono -vcodec libx264 -acodec aac -f flv rtmp://localhost/live/test
这将产生一个单声道44100赫兹的流。为立体声添加
-ac 2-ar N-ar 48000rtsprtsp-map