June 2025 - FFmpeg-trac - lists.ffmpeg.org

#11597(avfilter:new): FFmpeg output is stuck if using split with fps filter
by FFmpeg 07 Jul '25

07 Jul '25

#11597: FFmpeg output is stuck if using split with fps filter -------------------------------------+------------------------------------- Reporter: TheTroll | Type: defect Status: new | Priority: important Component: avfilter | Version: git- Keywords: split | master thumbnail | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- Summary of the bug: How to reproduce: {{{ % ffmpeg -re -y -i INPUT -filter_complex "[0:v]split=2[s0][sthumb];[s0]scale=320:184[o0];[sthumb]fps=1/60[othumb]" -an -c:v libx264 -map [o0] out.ts -map [othumb] -update 1 out.png }}} Built on master When trying to transcode an input live stream while extracting thumbnails (every minute in this example), using the split and fps filters, FFmpeg gets blocked and eventually generates the output after a while, by bursts. The following warning indicates that something is wrong: [out_#0:0 @ 0x7f1018013c00] 100 buffers queued in out_#0:0, something may be wrong. FFmpeg 5.1.2 works fine and as expected. Thanks -- Ticket URL: <https://trac.ffmpeg.org/ticket/11597> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

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#11366(undetermined:new): Regression when prepending/concatenating still image to video
by FFmpeg 07 Jul '25

07 Jul '25

#11366: Regression when prepending/concatenating still image to video -------------------------------------+------------------------------------- Reporter: mahozad | Type: defect Status: new | Priority: normal Component: | Version: 7.1 undetermined | Keywords: concat | Blocked By: concatenate filter_complex | Blocking: | Reproduced by developer: 1 Analyzed by developer: 0 | -------------------------------------+------------------------------------- **Summary of the bug:** I'm using FFmpeg to create clips with ability to concat an image to be shown at the start of the clip for the specified duration: https://github.com/mahozad/cutcon It uses FFmpeg CLI. FFmpeg version 6.1.1 (and I think also version 5.1.2) worked as expected. When upgrading to FFmpeg 7.1, the result video just contains the intro image and then just ends. I'm not sure if this is a regression. Maybe my FFmpeg command is "wrong" and it should have failed in previous versions as well? **How to reproduce:** FFmpeg 7.1 and also FFmpeg-full 2024-12-19-git-494c961379 downloaded from https://www.gyan.dev/ffmpeg/builds/ both tested on Windows 11. Here is an example FFmpeg invocation (formatted, each option in a new line) to reproduce the problem. It tries to create a clip from an input MP4 file and show an image at the start for 8 seconds. The image size is coerced to be at maximum the size of video and is padded with black color if its aspect ratio is different than the video. There is some other filters too. {{{ path/to/ffmpeg.exe -y -nostdin -loglevel info -stats_period 0.1s -accurate_seek -ss 356500ms -to 378500ms -i path/to/a/video.mp4 -loop 1 -framerate 25 -t 8s -i path/to/a/picture.jpg -t 8s -f lavfi -i aevalsrc=0 -filter_complex [0] yadif=1 [media-de-interlaced]; [media-de-interlaced] scale=iw*sar:ih [media-anamorphic-fixed]; [media-anamorphic-fixed] pad=ceil(iw/2)*2:ceil(ih/2)*2 [media-odd- pixel-number-fixed]; [media-odd-pixel-number-fixed] setsar=1/1 [media-source-aspect- ratio-normalized]; [media-source-aspect-ratio-normalized] null [media]; [1][media] scale2ref='if(gt(main_a,a),min(main_w,iw),min(main_h,ih)*main_a)':'if(gt(main_a,a),min(main_w,iw)/main_a,min(main_h,ih))' [intro-image-max-size-coerced][media]; [1][media] scale2ref=iw:ih [size-template][media]; [size-template] drawbox=w=iw:h=ih:t=fill:color=#000000 [intro- background]; [intro-background][intro-image-max-size-coerced] overlay=x='(W-w)/2':y='(H-h)/2' [intro-with-background]; [intro-with-background] setsar=1/1 [intro-source-aspect-ratio- normalized]; [intro-source-aspect-ratio-normalized] null [intro]; [intro][2][media] concat=n=2:v=1:a=1 -c:v libx264 -c:a aac -crf 23 -r 25 -metadata encoding_tool=Cutcon v1.2.3 path/to/output.mp4 }}} -- Ticket URL: <https://trac.ffmpeg.org/ticket/11366> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

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#10959(undetermined:new): ffmpeg 7.0: Assertion best_input >= 0 failed at fftools/ffmpeg_filter.c:1923
by FFmpeg 07 Jul '25

07 Jul '25

#10959: ffmpeg 7.0: Assertion best_input >= 0 failed at fftools/ffmpeg_filter.c:1923 -------------------------------------+------------------------------------- Reporter: Andreas | Type: defect Status: new | Priority: normal Component: | Version: undetermined | unspecified Keywords: | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- I try to split a video into 3 parts: {{{ % C:/Java/ffmpeg-n7.0-latest-win64-gpl-7.0/bin/ffmpeg.exe -report -nostdin -y -i video.mp4 -filter_complex "[v:0]select=n='3':e='gte(t,0.00)*lt(t,10.45)*1 + gte(t,10.45)*lt(t,58.50)*2 + gte(t,58.50)*lt(t,3661.00)*3'[vout001][vout002][vout003]" -map [vout001] v00-001.mp4 -map [vout002] v00-002.mp4 -map [vout003] v00-003.mp4 ... [out_0_0 @ 0000021b889bd600] 100 buffers queued in out_0_0, something may be wrong. ... [out_1_0 @ 0000021b889be200] 100 buffers queued in out_1_0, something may be wrong. [out_1_0 @ 0000021b889be200] 1000 buffers queued in out_1_0, something may be wrong. ... Assertion best_input >= 0 failed at fftools/ffmpeg_filter.c:1923 }}} It is independent of the input video, but you can find the video here: https://a-voss.de/ffmpeg/video.mp4 -- Ticket URL: <https://trac.ffmpeg.org/ticket/10959> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

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#11652(ffmpeg:new): [security] libavcodec/hevc/hevcdec.c:2147:16 SEGV in hls_prediction_unit
by FFmpeg 06 Jul '25

06 Jul '25

#11652: [security] libavcodec/hevc/hevcdec.c:2147:16 SEGV in hls_prediction_unit -------------------------------------+------------------------------------- Reporter: sigdevel | Type: defect Status: new | Priority: normal Component: ffmpeg | Version: git- Keywords: libavcodec, | master SIGSEGV, hevc | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- Summary of the bug: When processing specially crafted HEVC-video streams, the HEVC decoder fails to validate the decoding context pointer (s->HEVClc) before accessing its substructures. This leads to a NULL pointer dereference when accessing s->HEVClc->pu.merge_flag, causing a segmentation fault and denial-of-service How to reproduce: {{{ ./ffmpeg -i ./3_poc_libavcodec_hevc_hevcdec_c_2147 -f null }}} ENV: {{{ ffmpeg debug version: N-120056-g6e8bd5dd25 (ffmpeg commit hash 6e8bd5dd2588f892cde308022a8a1e6ee82b9fa0) ; ffmpeg latest autobuild version: ffmpeg version N-120054-g18c62245d7-20250627 ; built on: 6.12.25-amd64 ; build opts debug: --disable-shared --enable-static --disable-doc --enable- gpl --enable-libass --enable-libfreetype --enable-libmp3lame --enable- libopus --enable-libvorbis --enable-libx264 --enable-libx265 --enable- nonfree --toolchain=clang-asan --enable-debug=3 --disable-optimizations --disable-stripping ; build opts default: --prefix=/ffbuild/prefix --pkg-config-flags=--static --pkg-config=pkg-config --cross-prefix=x86_64-ffbuild-linux-gnu- --arch=x86_64 --target-os=linux --enable-gpl --enable-version3 --disable- debug --enable-iconv --enable-zlib --enable-libfribidi --enable-gmp --enable-libxml2 --enable-openssl --enable-lzma --enable-fontconfig --enable-libharfbuzz --enable-libfreetype --enable-libvorbis --enable- opencl --enable-libpulse --enable-libvmaf --enable-libxcb --enable-xlib --enable-amf --enable-libaom --enable-libaribb24 --enable-avisynth --enable-chromaprint --enable-libdav1d --enable-libdavs2 --enable- libdvdread --enable-libdvdnav --disable-libfdk-aac --enable-ffnvcodec --enable-cuda-llvm --enable-frei0r --enable-libgme --enable-libkvazaar --enable-libaribcaption --enable-libass --enable-libbluray --enable-libjxl --enable-libmp3lame --enable-libopus --enable-librist --enable-libssh --enable-libtheora --enable-libvpx --enable-libwebp --enable-libzmq --enable-lv2 --enable-libvpl --enable-openal --enable-liboapv --enable- libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopenmpt --enable-librav1e --enable- librubberband --disable-schannel --enable-sdl2 --enable-libsnappy --enable-libsoxr --enable-libsrt --enable-libsvtav1 --enable-libtwolame --enable-libuavs3d --enable-libdrm --enable-vaapi --enable-libvidstab --enable-vulkan --enable-libshaderc --enable-libplacebo --enable-libvvenc --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libzimg --enable-libzvbi --extra-cflags=-DLIBTWOLAME_STATIC --extra-cxxflags= --extra-libs='-ldl -lgomp' --extra-ldflags=-pthread --extra-ldexeflags=-pie --cc=x86_64-ffbuild-linux-gnu-gcc --cxx=x86_64 -ffbuild-linux-gnu-g++ --ar=x86_64-ffbuild-linux-gnu-gcc-ar --ranlib=x86_64-ffbuild-linux-gnu-gcc-ranlib --nm=x86_64-ffbuild-linux- gnu-gcc-nm --extra-version=20250627 }}} Asan output: {{{ ffmpeg version N-120001-gf789d60e11 Copyright (c) 2000-2025 the FFmpeg developers built with Debian clang version 19.1.7 (1+b1) configuration: --disable-shared --enable-static --disable-doc --enable- gpl --enable-libass --enable-libfreetype --enable-libmp3lame --enable- libopus --enable-libvorbis --enable-libx264 --enable-libx265 --enable- nonfree --toolchain=clang-asan --enable-debug=3 --disable-optimizations --disable-stripping libavutil 60. 3.100 / 60. 3.100 libavcodec 62. 3.101 / 62. 3.101 libavformat 62. 1.100 / 62. 1.100 libavdevice 62. 0.100 / 62. 0.100 libavfilter 11. 0.100 / 11. 0.100 libswscale 9. 0.100 / 9. 0.100 libswresample 6. 0.100 / 6. 0.100 [kux @ 0x517000000080] Read FLV header error, input file is not a standard flv format, first PreviousTagSize0 always is 0 [kux @ 0x517000000080] Negative cts, previous timestamps might be wrong. Truncating packet of size 6514015 to 571 [kux @ 0x517000000080] Packet corrupt (stream = 0, dts = 6255619). [kux @ 0x517000000080] Track size mismatch: 6513444! [extract_extradata @ 0x50e000000100] Failed to parse header of NALU (type 0): "Invalid data found when processing input". Skipping NALU. Last message repeated 1 times [NULL @ 0x519000000f80] VPS 7 does not exist [NULL @ 0x519000000f80] Failed to parse header of NALU (type 0): "Invalid data found when processing input". Skipping NALU. Last message repeated 1 times [NULL @ 0x519000000f80] VPS 7 does not exist [NULL @ 0x519000000f80] PPS id out of range: 2 [extract_extradata @ 0x50e000000100] Failed to parse header of NALU (type 0): "Invalid data found when processing input". Skipping NALU. Last message repeated 1 times [hevc @ 0x519000000f80] VPS 7 does not exist [hevc @ 0x519000000f80] Failed to parse header of NALU (type 0): "Invalid data found when processing input". Skipping NALU. Last message repeated 1 times [hevc @ 0x519000000f80] VPS 7 does not exist [hevc @ 0x519000000f80] Skipping invalid undecodable NALU: 33 [hevc @ 0x519000000f80] Unknown profile bitstream Last message repeated 1 times [hevc @ 0x519000000f80] sps_max_num_reorder_pics out of range: 2 [hevc @ 0x519000000f80] Overread PPS by 8 bits [hevc @ 0x519000000f80] Overread slice header by 8 bits [hevc @ 0x519000000f80] Skipping invalid undecodable NALU: 0 [hevc @ 0x519000000f80] Unknown profile bitstream [hevc @ 0x519000000f80] SPS id out of range: 32 [hevc @ 0x519000000f80] Skipping invalid undecodable NALU: 33 [hevc @ 0x519000000f80] VPS 0 does not exist [hevc @ 0x519000000f80] Skipping invalid undecodable NALU: 33 [hevc @ 0x519000000f80] Overread slice header by 8 bits [hevc @ 0x519000000f80] Skipping invalid undecodable NALU: 0 [hevc @ 0x519000000f80] Could not find ref with POC -30 [hevc @ 0x519000000f80] Could not find ref with POC 127 [hevc @ 0x519000000f80] Could not find ref with POC 130 [hevc @ 0x519000000f80] Could not find ref with POC 135 [hevc @ 0x519000000f80] Could not find ref with POC 146 [hevc @ 0x519000000f80] Could not find ref with POC 148 [hevc @ 0x519000000f80] Could not find ref with POC 150 [hevc @ 0x519000000f80] Could not find ref with POC 152 [hevc @ 0x519000000f80] Could not find ref with POC 174 [hevc @ 0x519000000f80] Could not find ref with POC 176 [hevc @ 0x519000000f80] Could not find ref with POC 1 [hevc @ 0x519000000f80] Could not find ref with POC 2 [hevc @ 0x519000000f80] Could not find ref with POC 13 [hevc @ 0x519000000f80] PTL information too short [hevc @ 0x519000000f80] Skipping invalid undecodable NALU: 32 [hevc @ 0x519000000f80] Two slices reporting being the first in the same frame. [hevc @ 0x519000000f80] Skipping invalid undecodable NALU: 0 [hevc @ 0x519000000f80] PTL information too short [hevc @ 0x519000000f80] Skipping invalid undecodable NALU: 32 AddressSanitizer:DEADLYSIGNAL ================================================================= ==10759==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x55b9d2cdc5fc bp 0x7ffcb77398e0 sp 0x7ffcb7738f60 T0) ==10759==The signal is caused by a READ memory access. ==10759==Hint: address points to the zero page. #0 0x55b9d2cdc5fc in hls_prediction_unit /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/hevc/hevcdec.c:2147:16 #1 0x55b9d2cd9797 in hls_coding_unit /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/hevc/hevcdec.c:2469:9 #2 0x55b9d2cd8a2c in hls_coding_quadtree /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/hevc/hevcdec.c:2677:15 #3 0x55b9d2cd8549 in hls_coding_quadtree /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/hevc/hevcdec.c:2642:21 #4 0x55b9d2cd2691 in hls_decode_entry /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/hevc/hevcdec.c:2782:21 #5 0x55b9d2cc9a33 in decode_slice_data /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/hevc/hevcdec.c:3075:12 #6 0x55b9d2cbf0b4 in decode_slice /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/hevc/hevcdec.c:3589:11 #7 0x55b9d2cbd916 in decode_nal_unit /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/hevc/hevcdec.c:3657:15 #8 0x55b9d2cbca67 in decode_nal_units /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/hevc/hevcdec.c:3770:15 #9 0x55b9d2cb69d8 in hevc_receive_frame /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/hevc/hevcdec.c:3872:14 #10 0x55b9d2950998 in ff_decode_receive_frame_internal /media/user /6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/decode.c:618:19 #11 0x55b9d29530b4 in decode_receive_frame_internal /media/user /6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/decode.c:650:15 #12 0x55b9d2952fad in avcodec_send_packet /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/decode.c:726:15 #13 0x55b9d1ead07b in try_decode_frame /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavformat/demux.c:2146:19 #14 0x55b9d1ea75c5 in avformat_find_stream_info /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavformat/demux.c:2828:9 #15 0x55b9d100f7d0 in ifile_open /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/fftools/ffmpeg_demux.c:1814:15 #16 0x55b9d1073ee4 in open_files /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/fftools/ffmpeg_opt.c:1366:15 #17 0x55b9d1073928 in ffmpeg_parse_options /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/fftools/ffmpeg_opt.c:1415:11 #18 0x55b9d10b6fd9 in main /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/fftools/ffmpeg.c:991:11 #19 0x7fb6b3a33ca7 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16 #20 0x7fb6b3a33d64 in __libc_start_main csu/../csu/libc-start.c:360:3 #21 0x55b9d0f18710 in _start (/media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/ffmpeg+0x521710) (BuildId: 379ac85827c85a62a3da71cc682c7649d933e230) ==10759==Register values: rax = 0x0000000000000000 rbx = 0x00007ffcb7738f60 rcx = 0x0000000000000000 rdx = 0x0000000000000002 rdi = 0x00007fb6b27c8dec rsi = 0x0000000000000000 rbp = 0x00007ffcb77398e0 rsp = 0x00007ffcb7738f60 r8 = 0x00000ff6d64f91bd r9 = 0x00007fb6b27c8df7 r10 = 0x00000ff6d64f91be r11 = 0x00000ff7564f11b8 r12 = 0x0000000000000000 r13 = 0x00007ffcb773e318 r14 = 0x0000000000000003 r15 = 0x000055b9d5b831b0 AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/hevc/hevcdec.c:2147:16 in hls_prediction_unit ==10759==ABORTING }}} [[Image(https://github.com/sigdevel/pocs/blob/main/res/FFmpeg/ffmpeg/3/3_ffmp…]] Poc-sample was uploaded to https://streams.videolan.org/upload/ -- Ticket URL: <https://trac.ffmpeg.org/ticket/11652> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

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#11639(ffmpeg:new): libavcodec/aac/aacdec.c:195:27 SEGV in frame_configure_elements
by FFmpeg 06 Jul '25

06 Jul '25

#11639: libavcodec/aac/aacdec.c:195:27 SEGV in frame_configure_elements ----------------------------------+---------------------------------- Reporter: sigdevel | Type: defect Status: new | Priority: normal Component: ffmpeg | Version: 7.1 Keywords: SIGSEGV | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | ----------------------------------+---------------------------------- Summary of the bug: Crafted MP4 file containing invalid metadata (negative time scales in mvhd/mdhd atoms, excessive sample size of 4294966935 and zero-duration smples) triggers a SEGV in the AAC decoder during USAC initialization, where frame_configure_elements attempts a WRITE memory access at address 0x70 due to an uninitialized/invalid Channel element pointer when processing the malformed audio configuration How to reproduce: {{{ ./ffmpeg -i ./2_poc_libavcodec_aac_aacdec_c_195 -f null }}} ENV: {{{ ffmpeg OS version: 7.1.1-1+b1 ; ffmpeg debug version: N-119918-gee1f79b0fa (ffmpeg commit hash ee1f79b0fa4c82da9c19328b049b593c71611402) ; built on: 6.12.25-amd64 ; build opts debug: --disable-shared --enable-static --disable-doc --enable- gpl --enable-libass --enable-libfreetype --enable-libmp3lame --enable- libopus --enable-libvorbis --enable-libx264 --enable-libx265 --enable- nonfree --toolchain=clang-asan --enable-debug=3 --disable-optimizations --disable-stripping ; }}} Asan output: {{{ == ffmpeg version N-119886-g52441bd4cd Copyright (c) 2000-2025 the FFmpeg developers built with Debian clang version 19.1.7 (1+b1) configuration: --disable-shared --enable-static --disable-doc --enable- gpl --enable-libass --enable-libfreetype --enable-libmp3lame --enable- libopus --enable-libvorbis --enable-libx264 --enable-libx265 --enable- nonfree --toolchain=clang-asan --enable-debug=3 --disable-optimizations --disable-stripping libavutil 60. 3.100 / 60. 3.100 libavcodec 62. 3.101 / 62. 3.101 libavformat 62. 1.100 / 62. 1.100 libavdevice 62. 0.100 / 62. 0.100 libavfilter 11. 0.100 / 11. 0.100 libswscale 9. 0.100 / 9. 0.100 libswresample 6. 0.100 / 6. 0.100 Trailing option(s) found in the command: may be ignored. [mov,mp4,m4a,3gp,3g2,mj2 @ 0x517000000080] Invalid mvhd time scale -956300712, defaulting to 1 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x517000000080] Invalid mdhd time scale -1761563580, defaulting to 1 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x517000000080] Sample size 4294966935 is too large [mov,mp4,m4a,3gp,3g2,mj2 @ 0x517000000080] All samples in data stream index:id [3:4] have zero duration, stream set to be discarded by default. Override using AVStream->discard or -discard for ffmpeg command. AddressSanitizer:DEADLYSIGNAL ================================================================= ==88932==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000070 (pc 0x55bcf83bbc74 bp 0x7ffd58251870 sp 0x7ffd58251770 T0) ==88932==The signal is caused by a WRITE memory access. ==88932==Hint: address points to the zero page. #0 0x55bcf83bbc74 in frame_configure_elements /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/aac/aacdec.c:195:27 #1 0x55bcf83ba731 in ff_aac_output_configure /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/aac/aacdec.c:518:20 #2 0x55bcf83bc848 in ff_aac_get_che /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/aac/aacdec.c:632:13 #3 0x55bcf83f3ad2 in ff_aac_usac_reset_state /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/aac/aacdec_usac.c:308:15 #4 0x55bcf83f5980 in ff_aac_usac_config_decode /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/aac/aacdec_usac.c:553:11 #5 0x55bcf83c8a93 in decode_audio_specific_config_gb /media/user /6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/aac/aacdec.c:1053:20 #6 0x55bcf83bed97 in decode_audio_specific_config /media/user /6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/aac/aacdec.c:1097:12 #7 0x55bcf83be4d6 in ff_aac_decode_init /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/aac/aacdec.c:1193:20 #8 0x55bcf83e3a66 in ff_aac_decode_init_float /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/aac/aacdec_float.c:181:12 #9 0x55bcf671b34f in avcodec_open2 /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/avcodec.c:336:19 #10 0x55bcf5fea1de in avformat_find_stream_info /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavformat/demux.c:2592:21 #11 0x55bcf51527d0 in ifile_open /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/fftools/ffmpeg_demux.c:1814:15 #12 0x55bcf51b6f94 in open_files /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/fftools/ffmpeg_opt.c:1366:15 #13 0x55bcf51b69d8 in ffmpeg_parse_options /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/fftools/ffmpeg_opt.c:1415:11 #14 0x55bcf51fa099 in main /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/fftools/ffmpeg.c:991:11 #15 0x7ffa2c433ca7 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16 #16 0x7ffa2c433d64 in __libc_start_main csu/../csu/libc-start.c:360:3 #17 0x55bcf505b710 in _start (/media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/ffmpeg+0x521710) (BuildId: d2246b878abfa9a260cfb4c2c78620ba94243a83) ==88932==Register values: rax = 0x0000000000000070 rbx = 0x00007ffd58251880 rcx = 0x00000000000001f8 rdx = 0x0000000000000018 rdi = 0x0000000000000000 rsi = 0x000052d000023f10 rbp = 0x00007ffd58251870 rsp = 0x00007ffd58251770 r8 = 0x00000a32000003fc r9 = 0x0000519000001ff7 r10 = 0x00000a32000003fe r11 = 0x00000a327fff83f8 r12 = 0x0000000000000000 r13 = 0x00007ffd58255908 r14 = 0x00007ffa2e5af000 r15 = 0x000055bcf9ccb1b0 AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV /media/user/6d3eeb8a- a93b-4220-bb13-a4e488ce0ce2/gpac/runtime/ffmpeg_asan/libavcodec/aac/aacdec.c:195:27 in frame_configure_elements ==88932==ABORTING }}} [[Image(https://github.com/sigdevel/pocs/blob/d65a0c4ece90b07878ae098f93d925c…]] Poc-sample was uploaded to https://streams.videolan.org/upload/ -- Ticket URL: <https://trac.ffmpeg.org/ticket/11639> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

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#11578(ffmpeg:new): Waveform discontinuity in decoded E-AC-3
by FFmpeg 05 Jul '25

05 Jul '25

#11578: Waveform discontinuity in decoded E-AC-3 --------------------------------+--------------------------------------- Reporter: j7n | Type: defect Status: new | Priority: normal Component: ffmpeg | Version: unspecified Keywords: eac3 | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | --------------------------------+--------------------------------------- Summary of the bug: Specific E-AC-3 streams with Atmos occasionally fade in from zero amplitude at a block boundary, producing a click. It only happens on the first playthrough. Rewinding to before the defect in the same player session makes the fault disappear. Channels higher than 0 in a 5.1 layout are affected. The official Dolby decoder works fine. The streams were acquired from Apple Music. whatifwe.ec3 : glitch at 187136 pourque.ec3 : glitch at 41728 How to reproduce: {{{ % ffmpeg -i pourque.ec3 pourque.wav ffmpeg version n7.1.1-10-gc6c20e04cc-20250507 }}} -- Ticket URL: <https://trac.ffmpeg.org/ticket/11578> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

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#11651(undetermined:new): NULL Pointer Dereference in FFmpeg ffprobe
by FFmpeg 05 Jul '25

05 Jul '25

#11651: NULL Pointer Dereference in FFmpeg ffprobe -------------------------------------+------------------------------------- Reporter: momo-trip | Type: defect Status: new | Priority: normal Component: | Version: 7.1 undetermined | Keywords: NULL | Blocked By: pointer dereference | Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- # NULL Pointer Dereference in FFmpeg ffprobe Hi, we have found a NULL pointer dereference in ffprobe and would like to report this issue. Could you confirm if this qualifies as a security bug? I am happy to provide any additional information needed. ## Summary In ffprobe's special syntax `-/opt`, when no subsequent argument exists, a NULL pointer is passed, causing `open(NULL, ...)` to be called and resulting in abnormal termination. This is reproducible with input alone, and in service environments that automatically execute ffprobe, this constitutes a DoS attack. ## Details - **Vulnerability Type:** NULL Pointer Dereference arising from Improper Input Validation, CWE-20 - **Product:** FFmpeg (ffprobe) - **Version:** 7.1.1 (commit f11962f, 2025-05-15) - **Configuration:** Default settings, no additional options - **Attack Vector:** Local CLI (arbitrary user input) - **Impact:** Process abnormal termination (service interruption) - **Privileges Required / User Interaction:** None required / Command execution only ## Reproduction ### Environment - **Operating System:** Ubuntu 22.04 LTS - **Architecture:** x86-64 - **Compiler:** clang 15.0.7 + AddressSanitizer ### Reproduction Steps ```bash # Clone and build (ASan enabled) git clone https://github.com/FFmpeg/FFmpeg.git cd FFmpeg git checkout f11962f ./configure --enable-gpl \ CC=clang CFLAGS="-fsanitize=address -g -O1" \ LDFLAGS="-fsanitize=address" make -j$(nproc) # Crash examples ./ffprobe -/version ./ffprobe -/L ./ffprobe -/buildconf ``` ### Crash Log ```bash Output (AddressSanitizer excerpt) ==7854==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 #0 0x7f2b6c in open (/usr/lib/x86_64-linux-gnu/libc.so.6+0xfa6c) #1 0x5605fd in file_read fftools/cmdutils.c:272 #2 0x5632ab in parse_option fftools/cmdutils.c:266 #3 0x564de0 in parse_options fftools/cmdutils.c:448 ... AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x7f2b6c ...) ``` ## Root Cause Analysis ### Affected Code https://github.com/FFmpeg/FFmpeg/blob/master/fftools/cmdutils.c#L431 https://github.com/FFmpeg/FFmpeg/blob/master/fftools/cmdutils.c#L255 ```c // parse_options() (approximately lines 431–441) opt = argv[optindex++]; /* optindex is incremented */ ... if ((ret = parse_option(optctx, opt, argv[optindex], options)) < 0) return ret; /* when optindex == argc, argv[...] is NULL */ // write_option() (approximately lines 255–274) if (*opt == '/') { opt++; /* No validation for argument requirement or arg==NULL */ arg_allocated = file_read(arg); /* arg is NULL → open(NULL, ...) */ } ``` ## Impact Assessment - No elements of remote code execution or information disclosure are present. - However, in automated analysis services that launch ffprobe, it is possible to stop the process with a single malicious argument, affecting availability. ## Proposed Fix - Utilize `opt_has_arg(const OptionDef *po)` to reference `argv[optindex]` only for options that require arguments. - When `/` syntax is detected: - Check if the target option requires an argument; reject if not required. - If `arg == NULL`, return with "file not specified" error. ```c /* parse_options() */ const OptionDef *po = find_option(options, name); if (po && opt_has_arg(po) && optindex >= argc) { av_log(NULL, AV_LOG_ERROR, "Missing argument for option '%s'\n", opt); return AVERROR(EINVAL); } /* -/ processing in write_option() */ if (*opt == '/') { opt++; if (!opt_has_arg(po)) { av_log(NULL, AV_LOG_ERROR, "Option '%s' does not take an argument; '-/%s' is invalid\n", po->name, po->name); return AVERROR(EINVAL); } if (!arg) { av_log(NULL, AV_LOG_ERROR, "No file specified after '-/%s'\n", po->name); return AVERROR(EINVAL); } } ``` -- Ticket URL: <https://trac.ffmpeg.org/ticket/11651> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

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#9281(ffmpeg:new): wrong $Number$ value while reading mpd
by FFmpeg 04 Jul '25

04 Jul '25

#9281: wrong $Number$ value while reading mpd -------------------------------------+------------------------------------- Reporter: Kostik | Type: defect Status: new | Priority: normal Component: ffmpeg | Version: Keywords: mpd | unspecified manifest | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- Hello, using the latest static build ffmpeg version N-57631-gebedd26eef-static I want to read mpd and convert to mpegts - this part works ok, except one manifest looks like ffmpeg make wrong calculation for $Number$ In my case I have availabilityStartTime="2021-05-27T11:59:16Z" media="$RepresentationID$-$Number$.m4s" duration="180180" startNumber="487925" presentationTimeOffset="89360526151" I expect $Number$ to be converted to 488430 (and other players do so), but ffmpeg try retrieve 397033568 here is full manifest <?xml version="1.0" encoding="UTF-8"?> <MPD xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:cenc="urn:mpeg:cenc:2013" xmlns:mspr="urn:microsoft:playready" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" type="dynamic" minimumUpdatePeriod="PT6S" minBufferTime="PT1.000S" maxSegmentDuration="PT3.003S" availabilityStartTime="2021-05-27T11:59:16Z" timeShiftBufferDepth="PT36.036S" publishTime="2021-06-07T19:25:48Z" profiles="urn:mpeg:dash:profile:isoff-live:2011"> <Period id="487925" start="PT976813.47S"> <AdaptationSet mimeType="video/mp4" segmentAlignment="true" startWithSAP="1" maxWidth="1280" maxHeight="720" maxFrameRate="60000/1001" par="16:9"> <InbandEventStream schemeIdUri="urn:mpeg:dash:event:2012" value="1"/> <Accessibility schemeIdUri="urn:scte:dash:cc:cea-608:2015" value="CC1:und;CC2:und"/> <SegmentTemplate timescale="90000" media="$RepresentationID$-$Number$.m4s" startNumber="487925"/> <Representation id="video1" width="1280" height="720" frameRate="60000/1001" sar="1:1" scanType="progressive" bandwidth="6562944" codecs="avc1.640029"/> </AdaptationSet> <AdaptationSet mimeType="audio/mp4" lang="en" segmentAlignment="true" startWithSAP="1"> <Role schemeIdUri="urn:mpeg:dash:role:2011" value="main"/> <SegmentTemplate timescale="90000" media="$RepresentationID$-$Number$.m4s" startNumber="487925"/> <Representation id="audio1" audioSamplingRate="44100" bandwidth="96000" codecs="mp4a.40.2"> <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/> </Representation> </AdaptationSet> <AdaptationSet mimeType="audio/mp4" lang="es" segmentAlignment="true" startWithSAP="1"> <Role schemeIdUri="urn:mpeg:dash:role:2011" value="dub"/> <SegmentTemplate timescale="90000" media="$RepresentationID$-$Number$.m4s" startNumber="487925"/> <Representation id="audio2" audioSamplingRate="44100" bandwidth="96000" codecs="mp4a.40.2"> <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/> </Representation> </AdaptationSet> </Period> <UTCTiming schemeIdUri="urn:mpeg:dash:utc:direct:2014" value="2021-06-07T19:25:48Z"/> </MPD> -- Ticket URL: <https://trac.ffmpeg.org/ticket/9281> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

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#11421(undetermined:new): ffmpeg 7.1 fps bug
by FFmpeg 30 Jun '25

30 Jun '25

#11421: ffmpeg 7.1 fps bug --------------------------------------+---------------------------------- Reporter: 张文兵 | Type: defect Status: new | Priority: normal Component: undetermined | Version: 7.1 Keywords: fps | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | --------------------------------------+---------------------------------- ffmpeg version n7.1 Copyright (c) 2000-2024 the FFmpeg developers {{{ % ffmpeg -i xxx.mp4 -c:v libx264 -crf 23 -vf scale=1920:1080,fps=fps=25,format=yuv422p10le -map 0:v:0 -c:a pcm_s16le -b:a 1536000 -ar 48000 -map "0:a?" -y v4.mp4 }}} After adding the fps filter, the transcoded file will have one less frame of data. -- Ticket URL: <https://trac.ffmpeg.org/ticket/11421> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

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#4566(ffmpeg:new): ffmpeg won't copy metadata ("StreamTitle") from audio live stream (transcoding)
by FFmpeg 29 Jun '25

29 Jun '25

#4566: ffmpeg won't copy metadata ("StreamTitle") from audio live stream (transcoding) ----------------------------------+------------------------------------- Reporter: easydoor | Type: defect Status: new | Priority: important Component: ffmpeg | Version: 2.6.2 Keywords: metadata | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | ----------------------------------+------------------------------------- It won't copy "StreamTitle" from input to output while transcoding input from mp3 to aac. I'm using version v2.6.1 compiled by me on ubuntu 14. I try simpliest transcoding with -c:a copy option and sending it to icecast v2.4.1 and as a client I'm using latest winamp and vlc. In booth player as title is showing only the mount point (in this case mystream) from icecast: {{{ icecast://source:mypass@x.x.x.x:8000/mystream }}} and not the StreamTitle from input file. Why and how can I just pass it from input to output? I don't think that problem is Icecast, because I try to stream with SAM Broadcaster and in Winamp I see updated StreamTitle in real time. Here is the command line: {{{ /root/ffmpeg_sources/ffmpeg*/./ffmpeg -stats -report -i http://streaming.streamonomy.com/ElectricFM -c:a copy -content_type audio/mpeg -f mp3 icecast://source:mypass@x.x.x.x:8000/mystream }}} and here is the output: {{{ root@vs4063:~# /root/ffmpeg_sources/ffmpeg*/./ffmpeg -stats -report -i http://streaming.streamonomy.com/ElectricFM -c:a copy -content_type audio/mpeg -f mp3 icecast://source:mypass@x.x.x.x:8000/mystream ffmpeg started on 2015-03-23 at 03:01:01 Report written to "ffmpeg-20150323-030101.log" ffmpeg version 2.6.1 Copyright (c) 2000-2015 the FFmpeg developers built with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1) configuration: --prefix=/root/ffmpeg_build --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-libfaac --enable-libfreetype --enable- libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libaacplus --enable-nonfree libavutil 54. 20.100 / 54. 20.100 libavcodec 56. 26.100 / 56. 26.100 libavformat 56. 25.101 / 56. 25.101 libavdevice 56. 4.100 / 56. 4.100 libavfilter 5. 11.102 / 5. 11.102 libswscale 3. 1.101 / 3. 1.101 libswresample 1. 1.100 / 1. 1.100 libpostproc 53. 3.100 / 53. 3.100 Input #0, mp3, from 'http://streaming.streamonomy.com/ElectricFM': Metadata: icy-br : 128 icy-description : ElectricFM plays today's dance hits! icy-genre : Electronic Dance Pop icy-name : ElectricFM.com - America's Real Dance! icy-pub : 1 icy-url : http://www.electricfm.com StreamTitle : KYGO f/ CONRAD - FIRESTONE Duration: N/A, start: 0.000000, bitrate: 128 kb/s Stream #0:0: Audio: mp3, 44100 Hz, stereo, s16p, 128 kb/s Output #0, mp3, to 'icecast://source:mypass@x.x.x.x:8000/mystream': Metadata: icy-br : 128 icy-description : ElectricFM plays today's dance hits! icy-genre : Electronic Dance Pop icy-name : ElectricFM.com - America's Real Dance! icy-pub : 1 icy-url : http://www.electricfm.com StreamTitle : KYGO f/ CONRAD - FIRESTONE TSSE : Lavf56.25.101 Stream #0:0: Audio: mp3, 44100 Hz, stereo, 128 kb/s Stream mapping: Stream #0:0 -> #0:0 (copy) Press [q] to stop, [?] for help size= 2093kB time=00:02:13.95 bitrate= 128.0kbits/s video:0kB audio:2093kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.016237% }}} [[Image(http://ffmpeg.gusari.org/download/file.php?id=103)]] In winamp first track is original and second transcoded.. Here is with debug: {{{ /root/ffmpeg_sources/ffmpeg*/./ffmpeg -stats -v 512 -report -i http://streaming.streamonomy.com/ElectricFM -c:a copy -content_type audio/mpeg -f mp3 icecast://source:mypass@x.x.x.x:8000/mystream/mystream ffmpeg started on 2015-03-23 at 03:51:36 Report written to "ffmpeg-20150323-035136.log" ffmpeg version 2.6.1 Copyright (c) 2000-2015 the FFmpeg developers built with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1) configuration: --prefix=/root/ffmpeg_build --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-libfaac --enable-libfreetype --enable- libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libaacplus --enable-nonfree libavutil 54. 20.100 / 54. 20.100 libavcodec 56. 26.100 / 56. 26.100 libavformat 56. 25.101 / 56. 25.101 libavdevice 56. 4.100 / 56. 4.100 libavfilter 5. 11.102 / 5. 11.102 libswscale 3. 1.101 / 3. 1.101 libswresample 1. 1.100 / 1. 1.100 libpostproc 53. 3.100 / 53. 3.100 Splitting the commandline. Reading option '-stats' ... matched as option 'stats' (print progress report during encoding) with argument '1'. Reading option '-v' ... matched as option 'v' (set logging level) with argument '512'. Reading option '-report' ... matched as option 'report' (generate a report) with argument '1'. Reading option '-i' ... matched as input file with argument 'http://streaming.streamonomy.com/ElectricFM'. Reading option '-c:a' ... matched as option 'c' (codec name) with argument 'copy'. Reading option '-content_type' ... matched as AVOption 'content_type' with argument 'audio/mpeg'. Reading option '-f' ... matched as option 'f' (force format) with argument 'mp3'. Reading option 'icecast://source:mypass@x.x.x.x:8000/mystream' ... matched as output file. Finished splitting the commandline. Parsing a group of options: global . Applying option stats (print progress report during encoding) with argument 1. Applying option v (set logging level) with argument 512. Applying option report (generate a report) with argument 1. Successfully parsed a group of options. Parsing a group of options: input file http://streaming.streamonomy.com/ElectricFM. Successfully parsed a group of options. Opening an input file: http://streaming.streamonomy.com/ElectricFM. [http @ 0x217cf80] request: GET /ElectricFM HTTP/1.1 User-Agent: Lavf/56.25.101 Accept: */* Range: bytes=0- Connection: close Host: streaming.streamonomy.com Icy-MetaData: 1 [http @ 0x217cf80] header='HTTP/1.0 200 OK' [http @ 0x217cf80] http_code=200 [http @ 0x217cf80] header='Accept-Ranges: none' [http @ 0x217cf80] header='Content-Type: audio/mpeg' [http @ 0x217cf80] header='icy-br:128' [http @ 0x217cf80] header='ice-audio-info: ice-samplerate=44100;ice- bitrate=128;ice-channels=2' [http @ 0x217cf80] header='icy-br:128' [http @ 0x217cf80] header='icy-description:ElectricFM plays today's dance hits!' [http @ 0x217cf80] header='icy-genre:Electronic Dance Pop' [http @ 0x217cf80] header='icy-name:ElectricFM.com - America's Real Dance!' [http @ 0x217cf80] header='icy-pub:1' [http @ 0x217cf80] header='icy-url:http://www.electricfm.com' [http @ 0x217cf80] header='Server: Icecast 2.3.3-kh8' [http @ 0x217cf80] header='Cache-Control: no-cache, no-store' [http @ 0x217cf80] header='Pragma: no-cache' [http @ 0x217cf80] header='Access-Control-Allow-Origin: *' [http @ 0x217cf80] header='Access-Control-Allow-Headers: Origin, Accept, X-Requested-With, Content-Type' [http @ 0x217cf80] header='Access-Control-Allow-Methods: GET, OPTIONS, HEAD' [http @ 0x217cf80] header='Connection: close' [http @ 0x217cf80] header='Expires: Mon, 26 Jul 1997 05:00:00 GMT' [http @ 0x217cf80] header='icy-metaint:16000' [http @ 0x217cf80] header='' [mp3 @ 0x217daa0] Format mp3 probed with size=2048 and score=51 [mp3 @ 0x217daa0] Before avformat_find_stream_info() pos: 0 bytes read:2508 seeks:0 [mp3 @ 0x217daa0] All info found [mp3 @ 0x217daa0] After avformat_find_stream_info() pos: 21504 bytes read:23824 seeks:0 frames:50 Input #0, mp3, from 'http://streaming.streamonomy.com/ElectricFM': Metadata: icy-br : 128 icy-description : ElectricFM plays today's dance hits! icy-genre : Electronic Dance Pop icy-name : ElectricFM.com - America's Real Dance! icy-pub : 1 icy-url : http://www.electricfm.com StreamTitle : PAUL OAKENFOLD and DISFUNKTION f/ SPITFIRE - BEAUTIFUL WORLD Duration: N/A, start: 0.000000, bitrate: 128 kb/s Stream #0:0, 50, 1/14112000: Audio: mp3, 44100 Hz, stereo, s16p, 128 kb/s Successfully opened the file. Parsing a group of options: output file icecast://source:mypass@x.x.x.x:8000/mystream. Applying option c:a (codec name) with argument copy. Applying option f (force format) with argument mp3. Successfully parsed a group of options. Opening an output file: icecast://source:mypass@x.x.x.x:8000/mystream. [http @ 0x2191520] request: PUT /mystream HTTP/1.1 User-Agent: Lavf/56.25.101 Accept: */* Expect: 100-continue Connection: close Host: x.x.x.x:8000 Content-Type: audio/mpeg Icy-MetaData: 1 Ice-Public: 0 Authorization: Basic c291cmNlOnNpbnVzZm04MA== [http @ 0x2191520] header='HTTP/1.1 100 Continue' [http @ 0x2191520] http_code=100 [http @ 0x2191520] header='' Successfully opened the file. Output #0, mp3, to 'icecast://source:mypass@x.x.x.x:8000/mystream5.3': Metadata: icy-br : 128 icy-description : ElectricFM plays today's dance hits! icy-genre : Electronic Dance Pop icy-name : ElectricFM.com - America's Real Dance! icy-pub : 1 icy-url : http://www.electricfm.com StreamTitle : PAUL OAKENFOLD and DISFUNKTION f/ SPITFIRE - BEAUTIFUL WORLD TSSE : Lavf56.25.101 Stream #0:0, 0, 1/14112000: Audio: mp3, 44100 Hz, stereo, 128 kb/s Stream mapping: Stream #0:0 -> #0:0 (copy) Press [q] to stop, [?] for help size= 101kB time=00:00:06.42 bitrate= 128.5kbits/s video:0kB audio:100kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.371530% Input file #0 (http://streaming.streamonomy.com/ElectricFM) Input stream #0:0 (audio): 246 packets read (102818 bytes); Total: 246 packets (102818 bytes) demuxed Output file #0 (icecast://source:mypass@x.x.x.x:8000/mystream): Output stream #0:0 (audio): 246 packets muxed (102818 bytes); Total: 246 packets (102818 bytes) muxed 0 frames successfully decoded, 0 decoding errors [AVIOContext @ 0x2192e80] Statistics: 0 seeks, 247 writeouts [AVIOContext @ 0x21884c0] Statistics: 105326 bytes read, 0 seeks }}} The main usage of transcoding would be: {{{ /root/ffmpeg_sources/ffmpeg/./ffmpeg -stats -v 1024 -report -i http://stream2.electricfm.com -acodec libaacplus -ar 44.1k -ab 40k -ac 2 -content_type audio/aacp -f adts icecast://source:mypass@x.x.x.x:8000/electricfm@40k -acodec libaacplus -ar 44.1k -ab 64k -ac 2 -content_type audio/aacp -f adts icecast://source:mypass@x.x.x.x:8000/electricfm@64k < /dev/null >/dev/null 2>/var/log/ffmpeg.log & }}} but it gave me same result..not showing "StreamTitle" from input to output! I try with options -map_metada 0:s:0 and others option, but without success. -- Ticket URL: <https://trac.ffmpeg.org/ticket/4566> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

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