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Sur d’autres sites (9669)
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How to fix ffmpeg complex filters "Invalid stream specifier" [duplicate]
15 mai 2019, par ChaseThis question already has an answer here :
I’m attempting to scale and blur (sections of) a video with ffmpeg complex filters. This has actually been working in production for years.
I’m now running a newer build of ffmpeg on Ubuntu 18.04 and getting an error relating to the filters where the same command works fine on Ubuntu 16.04’s ffmpeg against the same video.
Specifically, I’m seeing the following error :mov,mp4,m4a,3gp,3g2,mj2 @ 0x56055a5902c0] Invalid stream specifier: vs0.
Last message repeated 1 times
Stream specifier 'vs0' in filtergraph description ... matches no streams.Has something about the complex filter API changed that would make this same input invalid in a newer version of ffmpeg ?
The command in question is just running the following in a Bash terminal.
ffmpeg -ss 60 -i ~/test.mp4 -y -filter_complex "[0:v]scale=-2:'min(320,ih)'[vs0];[vs0]crop=in_w/9:in_h/2:0:0,boxblur=5:1:cr=3:ar=3[b0];[vs0]crop=in_w/9:in_h/2:in_w-out_w:0,boxblur=5:1:cr=3:ar=3[b1];[vs0]crop=(in_w-2*in_w/9):in_h/20:in_w/9:0,boxblur=5:1:cr=3:ar=3[b2];[vs0][b0]overlay=0:0[ovr0];[ovr0][b1]overlay=main_w-overlay_w:0[ovr1];[ovr1][b2]overlay=main_w/9:0[vs1]" -map [vs1] -an -ac 2 -b:a 128k -acodec aac -b:v 1024k -r 30 -vcodec libx264 -t 300 -y -preset slow -movflags faststart -pix_fmt yuv420p -f mp4 ~/out.mp4If we break up the complex filter statement, it looks like :
[0:v]scale=-2:'min(320,ih)'[vs0];
[vs0]crop=in_w/9:in_h/2:0:0,boxblur=5:1:cr=3:ar=3[b0];
[vs0]crop=in_w/9:in_h/2:in_w-out_w:0,boxblur=5:1:cr=3:ar=3[b1];
[vs0]crop=(in_w-2*in_w/9):in_h/20:in_w/9:0,boxblur=5:1:cr=3:ar=3[b2];
[vs0][b0]overlay=0:0[ovr0];[ovr0][b1]overlay=main_w-overlay_w:0[ovr1];
[ovr1][b2]overlay=main_w/9:0[vs1]
On
ffmpeg version N-86980-g62b7553(Ubuntu 16.04), everything works great as it has done for years.$ ffmpeg -ss 60 -i ~/test.mp4 -y -filter_complex "[0:v]scale=-2:'min(320,ih)'[vs0];[vs0]crop=in_w/9:in_h/2:0:0,boxblur=5:1:cr=3:ar=3[b0];[vs0]crop=in_w/9:in_h/2:in_w-out_w:0,boxblur=5:1:cr=3:ar=3[b1];[vs0]crop=(in_w-2*in_w/9):in_h/20:in_w/9:0,boxblur=5:1:cr=3:ar=3[b2];[vs0][b0]overlay=0:0[ovr0];[ovr0][b1]overlay=main_w-overlay_w:0[ovr1];[ovr1][b2]overlay=main_w/9:0[vs1]" -map [vs1] -an -ac 2 -b:a 128k -acodec aac -b:v 1024k -r 30 -vcodec libx264 -t 300 -y -preset slow -movflags faststart -pix_fmt yuv420p -f mp4 ~/out.mp4
ffmpeg version N-86980-g62b7553 Copyright (c) 2000-2017 the FFmpeg developers
built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.4) 20160609
configuration: --prefix=/root/ffmpeg_build --pkg-config-flags=--static --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --enable-gpl --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-openssl --enable-nonfree
libavutil 55. 73.100 / 55. 73.100
libavcodec 57.102.100 / 57.102.100
libavformat 57. 76.100 / 57. 76.100
libavdevice 57. 7.100 / 57. 7.100
libavfilter 6. 98.100 / 6. 98.100
libswscale 4. 7.102 / 4. 7.102
libswresample 2. 8.100 / 2. 8.100
libpostproc 54. 6.100 / 54. 6.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/cmaier/test.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf57.76.100
Duration: 00:10:00.00, start: 0.000000, bitrate: 1036 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 768x480, 1033 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
Metadata:
handler_name : VideoHandler
Stream mapping:
Stream #0:0 (h264) -> scale
Stream #0:0 (h264) -> crop
Stream #0:0 (h264) -> crop
Stream #0:0 (h264) -> overlay:main
overlay -> Stream #0:0 (libx264)
Press [q] to stop, [?] for help
[libx264 @ 0x27b2ca0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
[libx264 @ 0x27b2ca0] profile High, level 3.1
[libx264 @ 0x27b2ca0] 264 - core 148 r2643 5c65704 - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - http://www.videolan.org/x264.html - options: cabac=1 ref=5 deblock=1:0:0 analyse=0x3:0x113 me=umh subme=8 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=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=50 rc=abr mbtree=1 bitrate=1024 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to '/home/cmaier/out.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf57.76.100
Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 768x480, q=-1--1, 1024 kb/s, 30 fps, 15360 tbn, 30 tbc (default)
Metadata:
encoder : Lavc57.102.100 libx264
Side data:
cpb: bitrate max/min/avg: 0/0/1024000 buffer size: 0 vbv_delay: -1
[mp4 @ 0x27b5a60] Starting second pass: moving the moov atom to the beginning of the file3.9x
frame= 9000 fps=117 q=-1.0 Lsize= 37827kB time=00:04:59.90 bitrate=1033.3kbits/s speed= 3.9x
video:37721kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.282333%
[libx264 @ 0x27b2ca0] frame I:36 Avg QP:15.21 size: 50944
[libx264 @ 0x27b2ca0] frame P:2723 Avg QP:20.12 size: 9593
[libx264 @ 0x27b2ca0] frame B:6241 Avg QP:24.23 size: 1710
[libx264 @ 0x27b2ca0] consecutive B-frames: 3.6% 6.9% 14.5% 75.0%
[libx264 @ 0x27b2ca0] mb I I16..4: 17.3% 58.5% 24.2%
[libx264 @ 0x27b2ca0] mb P I16..4: 0.5% 4.4% 0.9% P16..4: 31.1% 20.7% 12.1% 0.0% 0.0% skip:30.3%
[libx264 @ 0x27b2ca0] mb B I16..4: 0.0% 0.3% 0.1% B16..8: 28.9% 5.5% 1.1% direct: 1.1% skip:63.1% L0:37.5% L1:52.6% BI: 9.9%
[libx264 @ 0x27b2ca0] final ratefactor: 19.69
[libx264 @ 0x27b2ca0] 8x8 transform intra:72.8% inter:68.3%
[libx264 @ 0x27b2ca0] direct mvs spatial:99.9% temporal:0.1%
[libx264 @ 0x27b2ca0] coded y,uvDC,uvAC intra: 74.5% 73.0% 30.4% inter: 13.0% 10.7% 0.2%
[libx264 @ 0x27b2ca0] i16 v,h,dc,p: 49% 30% 3% 17%
[libx264 @ 0x27b2ca0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 7% 14% 11% 7% 11% 8% 19% 8% 15%
[libx264 @ 0x27b2ca0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 9% 13% 5% 8% 14% 10% 17% 9% 16%
[libx264 @ 0x27b2ca0] i8c dc,h,v,p: 42% 29% 15% 15%
[libx264 @ 0x27b2ca0] Weighted P-Frames: Y:7.4% UV:2.9%
[libx264 @ 0x27b2ca0] ref P L0: 59.2% 20.2% 11.5% 3.7% 4.3% 1.0% 0.1%
[libx264 @ 0x27b2ca0] ref B L0: 87.5% 8.8% 2.7% 1.0%
[libx264 @ 0x27b2ca0] ref B L1: 96.5% 3.5%
[libx264 @ 0x27b2ca0] kb/s:1030.01
On
ffmpeg version N-93862-gf49cec2(Ubuntu 18.04), the command fails immediately.# ffmpeg -ss 60 -i ~/test.mp4 -y -filter_complex "[0:v]scale=-2:'min(320,ih)'[vs0];[vs0]crop=in_w/9:in_h/2:0:0,boxblur=5:1:cr=3:ar=3[b0];[vs0]crop=in_w/9:in_h/2:in_w-out_w:0,boxblur=5:1:cr=3:ar=3[b1];[vs0]crop=(in_w-2*in_w/9):in_h/20:in_w/9:0,boxblur=5:1:cr=3:ar=3[b2];[vs0][b0]overlay=0:0[ovr0];[ovr0][b1]overlay=main_w-overlay_w:0[ovr1];[ovr1][b2]overlay=main_w/9:0[vs1]" -map [vs1] -an -ac 2 -b:a 128k -acodec aac -b:v 1024k -r 30 -vcodec libx264 -t 300 -y -preset slow -movflags faststart -pix_fmt yuv420p -f mp4 ~/out.mp4
ffmpeg version N-93862-gf49cec2 Copyright (c) 2000-2019 the FFmpeg developers
built with gcc 7 (Ubuntu 7.4.0-1ubuntu1~18.04)
configuration: --prefix=/root/ffmpeg_build --pkg-config-flags=--static --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --enable-gpl --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-openssl --enable-nonfree
libavutil 56. 27.100 / 56. 27.100
libavcodec 58. 52.101 / 58. 52.101
libavformat 58. 27.103 / 58. 27.103
libavdevice 58. 7.100 / 58. 7.100
libavfilter 7. 53.100 / 7. 53.100
libswscale 5. 4.101 / 5. 4.101
libswresample 3. 4.100 / 3. 4.100
libpostproc 55. 4.100 / 55. 4.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/root/test.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf57.76.100
Duration: 00:10:00.00, start: 0.000000, bitrate: 1036 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 768x480, 1033 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
Metadata:
handler_name : VideoHandler
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x56055a5902c0] Invalid stream specifier: vs0.
Last message repeated 1 times
Stream specifier 'vs0' in filtergraph description [0:v]scale=-2:'min(320,ih)'[vs0];[vs0]crop=in_w/9:in_h/2:0:0,boxblur=5:1:cr=3:ar=3[b0];[vs0]crop=in_w/9:in_h/2:in_w-out_w:0,boxblur=5:1:cr=3:ar=3[b1];[vs0]crop=(in_w-2*in_w/9):in_h/20:in_w/9:0,boxblur=5:1:cr=3:ar=3[b2];[vs0][b0]overlay=0:0[ovr0];[ovr0][b1]overlay=main_w-overlay_w:0[ovr1];[ovr1][b2]overlay=main_w/9:0[vs1] matches no streams. -
Reduce bitrate of video with ffmpeg
4 janvier 2021, par Z.ChorlevI'm using ffmpeg to check the bitrate of given videos and my goal is to reduce it to half of the original bitrate.


For test purpose I executed this command


ffmpeg -i example.avi


and I saw that the bitrate of the videos was around 1030 kb/s


I want to know which is the unit that ffmpeg uses for bitrate.


ffmpeg -i example.aviffmpeg -b 515 new_video.avi


I used b:a and b:v for audio and video, but the result is not correct again
I tried with just 515 and 515k, but still not correct ...


My goal is to have output video with 515 kb/s bitrate.


-
Linker errors when building a simple c++ program with ffmpeg
15 février 2023, par Serban StoenescuI have this c++ program :


#include <iostream>

extern "C"
{
 #include <libavcodec></libavcodec>avcodec.h>
 #include <libavformat></libavformat>avformat.h>
 #include <libswscale></libswscale>swscale.h>

}

namespace hrean::ffmpeg
{
namespace detail
{
 
}//namespace detail

void testFFmpeg()
{
 AVFormatContext *avFormatContext = avformat_alloc_context();
 //I can comment out the rest of the function, the error is the same

} //testFFmpeg()

} //namespace hrean::ffmpeg


int main(int argc, char **argv)
{
 try
 {
 hrean::ffmpeg::testFFmpeg();
 }
 catch(const std::runtime_error& e)
 {
 std::cerr << "Error! " << e.what() << '\n';
 return -1;
 }
 catch(...)
 {
 std::cerr << "Unknown error\n";
 return -1;
 }
 
 return 0;
}
</iostream>

The CMakeLists.txt for this is :


cmake_minimum_required(VERSION 3.13)
project(hrean)

add_subdirectory(lib/ffmpeg-module)

message("[temp] FFMPEG_INCLUDE_DIRS = ${FFMPEG_INCLUDE_DIRS}")
message("[temp] FFMPEG_LIBRARIES = ${FFMPEG_LIBRARIES}")
add_executable(hrean-app src/main.cpp)
target_include_directories(hrean-app PUBLIC ${FFMPEG_INCLUDE_DIRS})
target_link_libraries(hrean-app PUBLIC ${FFMPEG_LIBRARIES})


The CMakeLists.txt for lib/ffmpeg-module contains only


find_package(FFmpeg REQUIRED MODULE)


The CMake output is :


-- The C compiler identification is GNU 11.3.0
-- The CXX compiler identification is GNU 11.3.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Found PkgConfig: /usr/bin/pkg-config (found version "0.29.2") 
-- Checking for module 'libavcodec'
-- Found libavcodec, version 60.2.100
-- Checking for module 'libavformat'
-- Found libavformat, version 60.2.100
-- Checking for module 'libavdevice'
-- Found libavdevice, version 60.0.100
-- Checking for module 'libavutil'
-- Found libavutil, version 58.1.100
-- Checking for module 'libavfilter'
-- Found libavfilter, version 9.1.100
-- Checking for module 'libswscale'
-- Found libswscale, version 7.0.100
-- Checking for module 'libpostproc'
-- Found libpostproc, version 57.0.100
-- Checking for module 'libswresample'
-- Found libswresample, version 4.9.100
-- Found FFmpeg: /home/serban/ffmpeg_build/lib/libavcodec.a;/home/serban/ffmpeg_build/lib/libavformat.a;/home/serban/ffmpeg_build/lib/libavutil.a 
[temp] FFMPEG_INCLUDE_DIRS = /home/serban/ffmpeg_build/include
[temp] FFMPEG_LIBRARIES = /home/serban/ffmpeg_build/lib/libavcodec.a;/home/serban/ffmpeg_build/lib/libavformat.a;/home/serban/ffmpeg_build/lib/libavutil.a
-- Configuring done
-- Generating done
-- Build files have been written to: /home/serban/Work/hrean/build


When I run make, I get the following errors. The problem is, this worked perfectly yesterday and I changed nothing. I create a new Ubuntu virtual machine, everything fresh and I still get the same problem. The output is 1000+ lines long, here is some of it :


[ 50%] Building CXX object CMakeFiles/hrean-app.dir/src/main.cpp.o
[100%] Linking CXX executable hrean-app
/usr/bin/ld: /home/serban/ffmpeg_build/lib/libavformat.a(amvenc.o): in function `amv_write_packet':
/home/serban/ffmpeg/libavformat/amvenc.c:356: undefined reference to `av_packet_unref'
/usr/bin/ld: /home/serban/ffmpeg/libavformat/amvenc.c:357: undefined reference to `av_packet_ref'
/usr/bin/ld: /home/serban/ffmpeg_build/lib/libavformat.a(amvenc.o): in function `amv_deinit':
/home/serban/ffmpeg/libavformat/amvenc.c:209: undefined reference to `av_packet_free'
/usr/bin/ld: /home/serban/ffmpeg_build/lib/libavformat.a(amvenc.o): in function `amv_init':
/home/serban/ffmpeg/libavformat/amvenc.c:111: undefined reference to `avcodec_get_name'
/usr/bin/ld: /home/serban/ffmpeg/libavformat/amvenc.c:117: undefined reference to `avcodec_get_name'
/usr/bin/ld: /home/serban/ffmpeg/libavformat/amvenc.c:188: undefined reference to `av_new_packet'
/usr/bin/ld: /home/serban/ffmpeg/libavformat/amvenc.c:196: undefined reference to `av_packet_alloc'
/usr/bin/ld: /home/serban/ffmpeg_build/lib/libavformat.a(asfdec_o.o): in function `asf_read_close':
/home/serban/ffmpeg/libavformat/asfdec_o.c:1413: undefined reference to `av_packet_free'
/usr/bin/ld: /home/serban/ffmpeg_build/lib/libavformat.a(asfdec_o.o): in function `asf_read_single_payload':
/home/serban/ffmpeg/libavformat/asfdec_o.c:1119: undefined reference to `av_new_packet'
/usr/bin/ld: /home/serban/ffmpeg_build/lib/libavformat.a(asfdec_o.o): in function `asf_read_packet':
/home/serban/ffmpeg/libavformat/asfdec_o.c:1388: undefined reference to `av_packet_move_ref'
/usr/bin/ld: /home/serban/ffmpeg_build/lib/libavformat.a(asfdec_o.o): in function `reset_packet':
/home/serban/ffmpeg/libavformat/asfdec_o.c:1030: undefined reference to `av_packet_unref'
/usr/bin/ld: /home/serban/ffmpeg_build/lib/libavformat.a(asfdec_o.o): in function `asf_deinterleave':
/home/serban/ffmpeg/libavformat/asfdec_o.c:1313: undefined reference to `av_packet_unref'
/usr/bin/ld: /home/serban/ffmpeg/libavformat/asfdec_o.c:1314: undefined reference to `av_packet_from_data'
/usr/bin/ld: /home/serban/ffmpeg_build/lib/libavformat.a(asfdec_o.o): in function `asf_read_replicated_data':
/home/serban/ffmpeg/libavformat/asfdec_o.c:1043: undefined reference to `av_new_packet'
/usr/bin/ld: /home/serban/ffmpeg_build/lib/libavformat.a(asfdec_o.o): in function `asf_read_timestamp':
/home/serban/ffmpeg/libavformat/asfdec_o.c:1463: undefined reference to `av_packet_alloc'
/usr/bin/ld: /home/serban/ffmpeg_build/lib/libavformat.a(asfdec_o.o): in function `reset_packet':
/home/serban/ffmpeg/libavformat/asfdec_o.c:1030: undefined reference to `av_packet_unref'
/usr/bin/ld: /home/serban/ffmpeg_build/lib/libavformat.a(asfdec_o.o): in function `asf_read_timestamp':
/home/serban/ffmpeg/libavformat/asfdec_o.c:1512: undefined reference to `av_packet_unref'


Any idea how to debug this ?


Later edit :
This is the find script I am using : FindFFmpeg.cmake
I changed the way I link to the libraries, this way causes the least amount of errors :


set(ORDERED_FFMPEG_LIBRARIES ${AVFORMAT_LIBRARIES} ${AVCODEC_LIBRARIES} ${AVUTIL_LIBRARIES})
message("[temp] ORDERED_FFMPEG_LIBRARIES=${ORDERED_FFMPEG_LIBRARIES}")
add_executable(hrean-app src/main.cpp)

target_include_directories(hrean-app PUBLIC ${FFMPEG_INCLUDE_DIRS})
target_link_libraries(hrean-app PUBLIC ${ORDERED_FFMPEG_LIBRARIES})


The errors are similar, but they seem to point to other locations :


[100%] Linking CXX executable hrean-app
/usr/bin/ld: /home/serban/ffmpeg_build/lib/libavformat.a(mov.o): in function `mov_read_cmov':
/home/serban/ffmpeg/libavformat/mov.c:5578: undefined reference to `uncompress'
/usr/bin/ld: /home/serban/ffmpeg_build/lib/libavformat.a(swfdec.o): in function `swf_read_packet':
/home/serban/ffmpeg/libavformat/swfdec.c:393: undefined reference to `uncompress'
/usr/bin/ld: /home/serban/ffmpeg_build/lib/libavformat.a(swfdec.o): in function `swf_read_header':
/home/serban/ffmpeg/libavformat/swfdec.c:161: undefined reference to `inflateInit_'
/usr/bin/ld: /home/serban/ffmpeg_build/lib/libavformat.a(swfdec.o): in function `zlib_refill':
/home/serban/ffmpeg/libavformat/swfdec.c:134: undefined reference to `inflate'
/usr/bin/ld: /home/serban/ffmpeg_build/lib/libavformat.a(swfdec.o): in function `swf_read_close':
/home/serban/ffmpeg/libavformat/swfdec.c:557: undefined reference to `inflateEnd'


Do I have to link to anything else ?


Regards,
Serban


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