Opened 7 years ago

Last modified 5 years ago

#7138 new defect

Generating encrypted HLS segments with the fmp4 format results in a segfault

Reported by: Dennis E. Mungai Owned by:
Priority: important Component: avformat
Version: git-master Keywords: hls
Cc: Blocked By:
Blocking: Reproduced by developer: no
Analyzed by developer: no

Description

Summary of the bug:

As stated above, attempting to generate encrypted HLS segments in the fmp4 format results in a segfault.

How to reproduce:

Take the sample snippet below, which generates encrypted HLS variants of the format fmp4:

/home/lin/bin/ffmpeg -stream_loop -1 -loglevel debug -threads 4 \
-init_hw_device cuda=cuda -hwaccel cuda -filter_hw_device cuda \
-filter_complex_threads 4 -vsync 1 -i '/home/lin/Desktop/src/sowdtow.webm' -filter_complex \
"['v:0']split=2[s0][s1]; \
 [s0]hwupload,scale_npp=w=1920:h=1080:interp_algo=lanczos:format=yuv420p[v0]; \
 [s1]hwupload,scale_npp=w=1280:h=720:interp_algo=lanczos:format=yuv420p[v1]" \
-b:v:0 4388k -c:v hevc_nvenc -preset slow -rc:v vbr_hq -profile:v main -level 4.1 \
-b:v:1 3413k -c:v hevc_nvenc -preset slow -rc:v vbr_hq -profile:v main -level 4.1 \
-b:a:0 256k -b:a:1 192k -c:a aac -ar 48000 -bsf:a aac_adtstoasc \
-map "[v0]" -map "[v1]" -map 0:a:0 -map 0:a:0 \
-f hls -hls_flags discont_start+split_by_time+delete_segments -hls_time 10 -hls_list_size 10 \
-var_stream_map "v:0,a:0 v:1,a:1" -master_pl_publish_rate 10 -master_pl_name master.m3u8 -hls_segment_type 1 -hls_key_info_file /home/lin/Desktop/src/test.keyinfo \
"/home/lin/Desktop/dest/vs%v/manifest.m3u8"

Now comes the console output:

ffmpeg version N-90652-g2108a67 Copyright (c) 2000-2018 the FFmpeg developers
  built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.9) 20160609
  configuration: --pkg-config-flags=--static --prefix=/home/lin/bin --bindir=/home/lin/bin --extra-cflags=-I/home/lin/bin/include --extra-ldflags=-L/home/lin/bin/lib --extra-cflags=-I/usr/local/include --extra-ldflags=-L/usr/local/lib --enable-cuda-sdk --enable-cuvid --enable-libnpp --extra-cflags=-I../nv_sdk --extra-ldflags=-L../nv_sdk --extra-cflags=-I/usr/local/cuda/include/ --extra-ldflags=-L/usr/local/cuda/lib64/ --enable-nvenc --nvccflags='-gencode arch=compute_61,code=sm_61 -O2' --enable-vaapi --disable-debug --enable-libvorbis --enable-libvpx --enable-libdrm --enable-gpl --cpu=native --enable-opengl --enable-libfdk-aac --enable-libx264 --enable-libx265 --extra-libs=-lpthread --enable-nonfree
  libavutil      56. 13.100 / 56. 13.100
  libavcodec     58. 17.100 / 58. 17.100
  libavformat    58. 11.101 / 58. 11.101
  libavdevice    58.  2.100 / 58.  2.100
  libavfilter     7. 14.100 /  7. 14.100
  libswscale      5.  0.102 /  5.  0.102
  libswresample   3.  0.101 /  3.  0.101
  libpostproc    55.  0.100 / 55.  0.100
Splitting the commandline.
Reading option '-stream_loop' ... matched as option 'stream_loop' (set number of times input stream shall be looped) with argument '-1'.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'.
Reading option '-threads' ... matched as AVOption 'threads' with argument '4'.
Reading option '-init_hw_device' ... matched as option 'init_hw_device' (initialise hardware device) with argument 'cuda=cuda'.
Reading option '-hwaccel' ... matched as option 'hwaccel' (use HW accelerated decoding) with argument 'cuda'.
Reading option '-filter_hw_device' ... matched as option 'filter_hw_device' (set hardware device used when filtering) with argument 'cuda'.
Reading option '-filter_complex_threads' ... matched as option 'filter_complex_threads' (number of threads for -filter_complex) with argument '4'.
Reading option '-vsync' ... matched as option 'vsync' (video sync method) with argument '1'.
Reading option '-i' ... matched as input url with argument '/home/lin/Desktop/src/sowdtow.webm'.
Reading option '-filter_complex' ... matched as option 'filter_complex' (create a complex filtergraph) with argument '['v:0']split=2[s0][s1];  [s0]hwupload,scale_npp=w=1920:h=1080:interp_algo=lanczos:format=yuv420p[v0];  [s1]hwupload,scale_npp=w=1280:h=720:interp_algo=lanczos:format=yuv420p[v1]'.
Reading option '-b:v:0' ... matched as option 'b' (video bitrate (please use -b:v)) with argument '4388k'.
Reading option '-c:v' ... matched as option 'c' (codec name) with argument 'hevc_nvenc'.
Reading option '-preset' ... matched as AVOption 'preset' with argument 'slow'.
Reading option '-rc:v' ... matched as AVOption 'rc:v' with argument 'vbr_hq'.
Reading option '-profile:v' ... matched as option 'profile' (set profile) with argument 'main'.
Reading option '-level' ... matched as AVOption 'level' with argument '4.1'.
Reading option '-b:v:1' ... matched as option 'b' (video bitrate (please use -b:v)) with argument '3413k'.
Reading option '-c:v' ... matched as option 'c' (codec name) with argument 'hevc_nvenc'.
Reading option '-preset' ... matched as AVOption 'preset' with argument 'slow'.
Reading option '-rc:v' ... matched as AVOption 'rc:v' with argument 'vbr_hq'.
Reading option '-profile:v' ... matched as option 'profile' (set profile) with argument 'main'.
Reading option '-level' ... matched as AVOption 'level' with argument '4.1'.
Reading option '-b:a:0' ... matched as option 'b' (video bitrate (please use -b:v)) with argument '256k'.
Reading option '-b:a:1' ... matched as option 'b' (video bitrate (please use -b:v)) with argument '192k'.
Reading option '-c:a' ... matched as option 'c' (codec name) with argument 'aac'.
Reading option '-ar' ... matched as option 'ar' (set audio sampling rate (in Hz)) with argument '48000'.
Reading option '-bsf:a' ... matched as option 'bsf' (A comma-separated list of bitstream filters) with argument 'aac_adtstoasc'.
Reading option '-map' ... matched as option 'map' (set input stream mapping) with argument '[v0]'.
Reading option '-map' ... matched as option 'map' (set input stream mapping) with argument '[v1]'.
Reading option '-map' ... matched as option 'map' (set input stream mapping) with argument '0:a:0'.
Reading option '-map' ... matched as option 'map' (set input stream mapping) with argument '0:a:0'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'hls'.
Reading option '-hls_flags' ... matched as AVOption 'hls_flags' with argument 'discont_start+split_by_time+delete_segments'.
Reading option '-hls_time' ... matched as AVOption 'hls_time' with argument '10'.
Reading option '-hls_list_size' ... matched as AVOption 'hls_list_size' with argument '10'.
Reading option '-var_stream_map' ... matched as AVOption 'var_stream_map' with argument 'v:0,a:0 v:1,a:1'.
Reading option '-master_pl_publish_rate' ... matched as AVOption 'master_pl_publish_rate' with argument '10'.
Reading option '-master_pl_name' ... matched as AVOption 'master_pl_name' with argument 'master.m3u8'.
Reading option '-hls_segment_type' ... matched as AVOption 'hls_segment_type' with argument '1'.
Reading option '-hls_key_info_file' ... matched as AVOption 'hls_key_info_file' with argument '/home/lin/Desktop/src/test.keyinfo'.
Reading option '/home/lin/Desktop/dest/vs%v/manifest.m3u8' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option loglevel (set logging level) with argument debug.
Applying option init_hw_device (initialise hardware device) with argument cuda=cuda.
[AVHWDeviceContext @ 0x415a500] Loaded lib: libcuda.so.1
[AVHWDeviceContext @ 0x415a500] Loaded sym: cuInit
[AVHWDeviceContext @ 0x415a500] Loaded sym: cuDeviceGetCount
[AVHWDeviceContext @ 0x415a500] Loaded sym: cuDeviceGet
[AVHWDeviceContext @ 0x415a500] Loaded sym: cuDeviceGetName
[AVHWDeviceContext @ 0x415a500] Loaded sym: cuDeviceComputeCapability
[AVHWDeviceContext @ 0x415a500] Loaded sym: cuCtxCreate_v2
[AVHWDeviceContext @ 0x415a500] Loaded sym: cuCtxSetLimit
[AVHWDeviceContext @ 0x415a500] Loaded sym: cuCtxPushCurrent_v2
[AVHWDeviceContext @ 0x415a500] Loaded sym: cuCtxPopCurrent_v2
[AVHWDeviceContext @ 0x415a500] Loaded sym: cuCtxDestroy_v2
[AVHWDeviceContext @ 0x415a500] Loaded sym: cuMemAlloc_v2
[AVHWDeviceContext @ 0x415a500] Loaded sym: cuMemFree_v2
[AVHWDeviceContext @ 0x415a500] Loaded sym: cuMemcpy2D_v2
[AVHWDeviceContext @ 0x415a500] Loaded sym: cuGetErrorName
[AVHWDeviceContext @ 0x415a500] Loaded sym: cuGetErrorString
Applying option filter_hw_device (set hardware device used when filtering) with argument cuda.
Applying option filter_complex_threads (number of threads for -filter_complex) with argument 4.
Applying option vsync (video sync method) with argument 1.
Applying option filter_complex (create a complex filtergraph) with argument ['v:0']split=2[s0][s1];  [s0]hwupload,scale_npp=w=1920:h=1080:interp_algo=lanczos:format=yuv420p[v0];  [s1]hwupload,scale_npp=w=1280:h=720:interp_algo=lanczos:format=yuv420p[v1].
Successfully parsed a group of options.
Parsing a group of options: input url /home/lin/Desktop/src/sowdtow.webm.
Applying option stream_loop (set number of times input stream shall be looped) with argument -1.
Applying option hwaccel (use HW accelerated decoding) with argument cuda.
Successfully parsed a group of options.
Opening an input file: /home/lin/Desktop/src/sowdtow.webm.
[NULL @ 0x4859680] Opening '/home/lin/Desktop/src/sowdtow.webm' for reading
[file @ 0x4859e80] Setting default whitelist 'file,crypto'
[matroska,webm @ 0x4859680] Format matroska,webm probed with size=2048 and score=100
st:0 removing common factor 1000000 from timebase
st:1 removing common factor 1000000 from timebase
[matroska,webm @ 0x4859680] Before avformat_find_stream_info() pos: 810 bytes read:32768 seeks:0 nb_streams:2
[vp9 @ 0x485ca80] Format yuv420p chosen by get_format().
[matroska,webm @ 0x4859680] All info found
[matroska,webm @ 0x4859680] After avformat_find_stream_info() pos: 1995 bytes read:32768 seeks:0 frames:2
Input #0, matroska,webm, from '/home/lin/Desktop/src/sowdtow.webm':
  Metadata:
    ENCODER         : Lavf58.10.100
  Duration: 00:03:02.18, start: 0.000000, bitrate: 16906 kb/s
    Stream #0:0(eng), 1, 1/1000: Video: vp9 (Profile 0), 1 reference frame, yuv420p(tv, bt709/unknown/unknown), 3840x2160, 0/1, SAR 1:1 DAR 16:9, 29.97 fps, 29.97 tbr, 1k tbn, 1k tbc (default)
    Metadata:
      DURATION        : 00:03:02.115000000
    Stream #0:1, 1, 1/1000: Audio: aac (LC), 44100 Hz, stereo, fltp (default)
    Metadata:
      HANDLER_NAME    : SoundHandler
      DURATION        : 00:03:02.184000000
Successfully opened the file.
[Parsed_split_0 @ 0x486ed80] Setting 'outputs' to value '2'
[Parsed_scale_npp_2 @ 0x48ff880] Setting 'w' to value '1920'
[Parsed_scale_npp_2 @ 0x48ff880] Setting 'h' to value '1080'
[Parsed_scale_npp_2 @ 0x48ff880] Setting 'interp_algo' to value 'lanczos'
[Parsed_scale_npp_2 @ 0x48ff880] Setting 'format' to value 'yuv420p'
[Parsed_scale_npp_4 @ 0x4901900] Setting 'w' to value '1280'
[Parsed_scale_npp_4 @ 0x4901900] Setting 'h' to value '720'
[Parsed_scale_npp_4 @ 0x4901900] Setting 'interp_algo' to value 'lanczos'
[Parsed_scale_npp_4 @ 0x4901900] Setting 'format' to value 'yuv420p'
Parsing a group of options: output url /home/lin/Desktop/dest/vs%v/manifest.m3u8.
Applying option b:v:0 (video bitrate (please use -b:v)) with argument 4388k.
Applying option c:v (codec name) with argument hevc_nvenc.
Applying option profile:v (set profile) with argument main.
Applying option b:v:1 (video bitrate (please use -b:v)) with argument 3413k.
Applying option c:v (codec name) with argument hevc_nvenc.
Applying option profile:v (set profile) with argument main.
Applying option b:a:0 (video bitrate (please use -b:v)) with argument 256k.
Applying option b:a:1 (video bitrate (please use -b:v)) with argument 192k.
Applying option c:a (codec name) with argument aac.
Applying option ar (set audio sampling rate (in Hz)) with argument 48000.
Applying option bsf:a (A comma-separated list of bitstream filters) with argument aac_adtstoasc.
Applying option map (set input stream mapping) with argument [v0].
Applying option map (set input stream mapping) with argument [v1].
Applying option map (set input stream mapping) with argument 0:a:0.
    Last message repeated 1 times
Applying option f (force format) with argument hls.
Successfully parsed a group of options.
Opening an output file: /home/lin/Desktop/dest/vs%v/manifest.m3u8.
Successfully opened the file.
Stream mapping:
  Stream #0:0 (vp9) -> split (graph 0)
  scale_npp (graph 0) -> Stream #0:0 (hevc_nvenc)
  scale_npp (graph 0) -> Stream #0:1 (hevc_nvenc)
  Stream #0:1 -> #0:2 (aac (native) -> aac (native))
  Stream #0:1 -> #0:3 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[vp9 @ 0x4909bc0] Format cuda chosen by get_format().
[vp9 @ 0x4909bc0] Format cuda requires hwaccel initialisation.
detected 8 logical cores
[graph_1_in_0_1 @ 0x48d9f00] Setting 'time_base' to value '1/44100'
[graph_1_in_0_1 @ 0x48d9f00] Setting 'sample_rate' to value '44100'
[graph_1_in_0_1 @ 0x48d9f00] Setting 'sample_fmt' to value 'fltp'
[graph_1_in_0_1 @ 0x48d9f00] Setting 'channel_layout' to value '0x3'
[graph_1_in_0_1 @ 0x48d9f00] tb:1/44100 samplefmt:fltp samplerate:44100 chlayout:0x3
[format_out_0_2 @ 0x48da280] Setting 'sample_fmts' to value 'fltp'
[format_out_0_2 @ 0x48da280] Setting 'sample_rates' to value '48000'
[format_out_0_2 @ 0x48da280] auto-inserting filter 'auto_resampler_0' between the filter 'Parsed_anull_0' and the filter 'format_out_0_2'
[AVFilterGraph @ 0x4903140] query_formats: 4 queried, 6 merged, 3 already done, 0 delayed
[auto_resampler_0 @ 0x48db7c0] [SWR @ 0x48dbc80] Using fltp internally between filters
[auto_resampler_0 @ 0x48db7c0] ch:2 chl:stereo fmt:fltp r:44100Hz -> ch:2 chl:stereo fmt:fltp r:48000Hz
[graph_2_in_0_1 @ 0x4b4e700] Setting 'time_base' to value '1/44100'
[graph_2_in_0_1 @ 0x4b4e700] Setting 'sample_rate' to value '44100'
[graph_2_in_0_1 @ 0x4b4e700] Setting 'sample_fmt' to value 'fltp'
[graph_2_in_0_1 @ 0x4b4e700] Setting 'channel_layout' to value '0x3'
[graph_2_in_0_1 @ 0x4b4e700] tb:1/44100 samplefmt:fltp samplerate:44100 chlayout:0x3
[format_out_0_3 @ 0x4b4f380] Setting 'sample_fmts' to value 'fltp'
[format_out_0_3 @ 0x4b4f380] Setting 'sample_rates' to value '48000'
[vp9 @ 0x4909bc0] Loaded lib: libnvcuvid.so.1
[vp9 @ 0x4909bc0] Loaded sym: cuvidGetDecoderCaps
[vp9 @ 0x4909bc0] Loaded sym: cuvidCreateDecoder
[vp9 @ 0x4909bc0] Loaded sym: cuvidDestroyDecoder
[vp9 @ 0x4909bc0] Loaded sym: cuvidDecodePicture
[vp9 @ 0x4909bc0] Loaded sym: cuvidMapVideoFrame64
[vp9 @ 0x4909bc0] Loaded sym: cuvidUnmapVideoFrame64
[vp9 @ 0x4909bc0] Loaded sym: cuvidCtxLockCreate
[format_out_0_3 @ 0x4b4f380] auto-inserting filter 'auto_resampler_0' between the filter 'Parsed_anull_0' and the filter 'format_out_0_3'
[vp9 @ 0x4909bc0] Loaded sym: cuvidCtxLockDestroy
[vp9 @ 0x4909bc0] Loaded sym: cuvidCtxLock
[vp9 @ 0x4909bc0] Loaded sym: cuvidCtxUnlock
[vp9 @ 0x4909bc0] Loaded sym: cuvidCreateVideoSource
[vp9 @ 0x4909bc0] Loaded sym: cuvidCreateVideoSourceW
[vp9 @ 0x4909bc0] Loaded sym: cuvidDestroyVideoSource
[vp9 @ 0x4909bc0] Loaded sym: cuvidSetVideoSourceState
[vp9 @ 0x4909bc0] Loaded sym: cuvidGetVideoSourceState
[AVFilterGraph @ 0x48ff5c0] query_formats: 4 queried, 6 merged, 3 already done, 0 delayed
[vp9 @ 0x4909bc0] Loaded sym: cuvidGetSourceVideoFormat
[vp9 @ 0x4909bc0] Loaded sym: cuvidGetSourceAudioFormat
[vp9 @ 0x4909bc0] Loaded sym: cuvidCreateVideoParser
[vp9 @ 0x4909bc0] Loaded sym: cuvidParseVideoData
[vp9 @ 0x4909bc0] Loaded sym: cuvidDestroyVideoParser
[auto_resampler_0 @ 0x4b50340] [SWR @ 0x4b507c0] Using fltp internally between filters
[auto_resampler_0 @ 0x4b50340] ch:2 chl:stereo fmt:fltp r:44100Hz -> ch:2 chl:stereo fmt:fltp r:48000Hz
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[vp9 @ 0x4909bc0] NVDEC capabilities:
[vp9 @ 0x4909bc0] format supported: yes, max_mb_count: 262144
[vp9 @ 0x4909bc0] min_width: 144, max_width: 8192
[vp9 @ 0x4909bc0] min_height: 144, max_height: 8192
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[Parsed_split_0 @ 0x4b6b700] Setting 'outputs' to value '2'
[Parsed_scale_npp_2 @ 0x4b6be80] Setting 'w' to value '1920'
[Parsed_scale_npp_2 @ 0x4b6be80] Setting 'h' to value '1080'
[Parsed_scale_npp_2 @ 0x4b6be80] Setting 'interp_algo' to value 'lanczos'
[Parsed_scale_npp_2 @ 0x4b6be80] Setting 'format' to value 'yuv420p'
[Parsed_scale_npp_4 @ 0x5429300] Setting 'w' to value '1280'
[Parsed_scale_npp_4 @ 0x5429300] Setting 'h' to value '720'
[Parsed_scale_npp_4 @ 0x5429300] Setting 'interp_algo' to value 'lanczos'
[Parsed_scale_npp_4 @ 0x5429300] Setting 'format' to value 'yuv420p'
[graph 0 input from stream 0:0 @ 0x542adc0] Setting 'video_size' to value '3840x2160'
[graph 0 input from stream 0:0 @ 0x542adc0] Setting 'pix_fmt' to value '23'
[graph 0 input from stream 0:0 @ 0x542adc0] Setting 'time_base' to value '1/1000'
[graph 0 input from stream 0:0 @ 0x542adc0] Setting 'pixel_aspect' to value '1/1'
[graph 0 input from stream 0:0 @ 0x542adc0] Setting 'sws_param' to value 'flags=2'
[graph 0 input from stream 0:0 @ 0x542adc0] Setting 'frame_rate' to value '30000/1001'
[graph 0 input from stream 0:0 @ 0x542adc0] w:3840 h:2160 pixfmt:nv12 tb:1/1000 fr:30000/1001 sar:1/1 sws_param:flags=2
[format @ 0x5429c80] Setting 'pix_fmts' to value 'yuv420p|nv12|p010le|yuv444p|p016le|yuv444p16le|bgr0|rgb0|cuda'
[format @ 0x48fc800] Setting 'pix_fmts' to value 'yuv420p|nv12|p010le|yuv444p|p016le|yuv444p16le|bgr0|rgb0|cuda'
[AVFilterGraph @ 0x4b6c880] query_formats: 10 queried, 9 merged, 0 already done, 0 delayed
[hwupload @ 0x56c3040] Surface format is nv12.
[Parsed_scale_npp_4 @ 0x5429300] w:3840 h:2160 -> w:1280 h:720
[hwupload @ 0x4c15540] Surface format is nv12.
[Parsed_scale_npp_2 @ 0x4b6be80] w:3840 h:2160 -> w:1920 h:1080
[hevc_nvenc @ 0x49032c0] Loaded lib: libcuda.so.1
[hevc_nvenc @ 0x49032c0] Loaded sym: cuInit
[hevc_nvenc @ 0x49032c0] Loaded sym: cuDeviceGetCount
[hevc_nvenc @ 0x49032c0] Loaded sym: cuDeviceGet
[hevc_nvenc @ 0x49032c0] Loaded sym: cuDeviceGetName
[hevc_nvenc @ 0x49032c0] Loaded sym: cuDeviceComputeCapability
[hevc_nvenc @ 0x49032c0] Loaded sym: cuCtxCreate_v2
[hevc_nvenc @ 0x49032c0] Loaded sym: cuCtxSetLimit
[hevc_nvenc @ 0x49032c0] Loaded sym: cuCtxPushCurrent_v2
[hevc_nvenc @ 0x49032c0] Loaded sym: cuCtxPopCurrent_v2
[hevc_nvenc @ 0x49032c0] Loaded sym: cuCtxDestroy_v2
[hevc_nvenc @ 0x49032c0] Loaded sym: cuMemAlloc_v2
[hevc_nvenc @ 0x49032c0] Loaded sym: cuMemFree_v2
[hevc_nvenc @ 0x49032c0] Loaded sym: cuMemcpy2D_v2
[hevc_nvenc @ 0x49032c0] Loaded sym: cuGetErrorName
[hevc_nvenc @ 0x49032c0] Loaded sym: cuGetErrorString
[hevc_nvenc @ 0x49032c0] Loaded lib: libnvidia-encode.so.1
[hevc_nvenc @ 0x49032c0] Loaded sym: NvEncodeAPICreateInstance
[hevc_nvenc @ 0x49032c0] Loaded sym: NvEncodeAPIGetMaxSupportedVersion
[hevc_nvenc @ 0x49032c0] Loaded Nvenc version 8.1
[hevc_nvenc @ 0x49032c0] Nvenc initialized successfully
Clipping frame in rate conversion by 0.000008
[hevc_nvenc @ 0x4904040] Loaded lib: libcuda.so.1
[hevc_nvenc @ 0x4904040] Loaded sym: cuInit
[hevc_nvenc @ 0x4904040] Loaded sym: cuDeviceGetCount
[hevc_nvenc @ 0x4904040] Loaded sym: cuDeviceGet
[hevc_nvenc @ 0x4904040] Loaded sym: cuDeviceGetName
[hevc_nvenc @ 0x4904040] Loaded sym: cuDeviceComputeCapability
[hevc_nvenc @ 0x4904040] Loaded sym: cuCtxCreate_v2
[hevc_nvenc @ 0x4904040] Loaded sym: cuCtxSetLimit
[hevc_nvenc @ 0x4904040] Loaded sym: cuCtxPushCurrent_v2
[hevc_nvenc @ 0x4904040] Loaded sym: cuCtxPopCurrent_v2
[hevc_nvenc @ 0x4904040] Loaded sym: cuCtxDestroy_v2
[hevc_nvenc @ 0x4904040] Loaded sym: cuMemAlloc_v2
[hevc_nvenc @ 0x4904040] Loaded sym: cuMemFree_v2
[hevc_nvenc @ 0x4904040] Loaded sym: cuMemcpy2D_v2
[hevc_nvenc @ 0x4904040] Loaded sym: cuGetErrorName
[hevc_nvenc @ 0x4904040] Loaded sym: cuGetErrorString
[hevc_nvenc @ 0x4904040] Loaded lib: libnvidia-encode.so.1
[hevc_nvenc @ 0x4904040] Loaded sym: NvEncodeAPICreateInstance
[hevc_nvenc @ 0x4904040] Loaded sym: NvEncodeAPIGetMaxSupportedVersion
[hevc_nvenc @ 0x4904040] Loaded Nvenc version 8.1
[hevc_nvenc @ 0x4904040] Nvenc initialized successfully
[hls @ 0x4901e80] Number of variant streams 2
[hls @ 0x4901e80] Opening '/home/lin/Desktop/dest/vs0/init_0.mp4' for writing
[file @ 0x5837640] Setting default whitelist 'file,crypto'
[hls @ 0x4901e80] Opening '/home/lin/Desktop/src/test.keyinfo' for reading
[file @ 0x5878c80] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x5880f40] Statistics: 93 bytes read, 0 seeks
[hls @ 0x4901e80] Opening '/home/lin/Desktop/src/enc.key' for reading
[file @ 0x5878ec0] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x5878d00] Statistics: 16 bytes read, 0 seeks
[hls @ 0x4901e80] Opening 'crypto:/home/lin/Desktop/dest/vs0/manifest0.m4s' for writing
[crypto @ 0x5878f80] No default whitelist set
[file @ 0x587b580] Setting default whitelist 'file,crypto'
[hls @ 0x4901e80] Opening '/home/lin/Desktop/dest/vs1/init_1.mp4' for writing
[file @ 0x5886600] Setting default whitelist 'file,crypto'
[hls @ 0x4901e80] Opening 'crypto:/home/lin/Desktop/dest/vs1/manifest0.m4s' for writing
[crypto @ 0x58c7b40] No default whitelist set
[file @ 0x58c9e80] Setting default whitelist 'file,crypto'
Output #0, hls, to '/home/lin/Desktop/dest/vs%v/manifest.m3u8':
  Metadata:
    encoder         : Lavf58.11.101
    Stream #0:0, 0, 1/30000: Video: hevc (hevc_nvenc) (Main), 1 reference frame, cuda(progressive), 1920x1080 [SAR 1:1 DAR 16:9], 0/1, q=-1--1, 4388 kb/s, 29.97 fps, 30k tbn, 29.97 tbc (default)
    Metadata:
      encoder         : Lavc58.17.100 hevc_nvenc
    Side data:
      cpb: bitrate max/min/avg: 0/0/4388000 buffer size: 8776000 vbv_delay: -1
    Stream #0:1, 0, 1/30000: Video: hevc (hevc_nvenc) (Main), 1 reference frame, cuda, 1280x720 [SAR 1:1 DAR 16:9], 0/1, q=-1--1, 3413 kb/s, 29.97 fps, 30k tbn, 29.97 tbc (default)
    Metadata:
      encoder         : Lavc58.17.100 hevc_nvenc
    Side data:
      cpb: bitrate max/min/avg: 0/0/3413000 buffer size: 6826000 vbv_delay: -1
    Stream #0:2, 0, 1/48000: Audio: aac (LC), 48000 Hz, stereo, fltp, delay 1024, 256 kb/s (default)
    Metadata:
      HANDLER_NAME    : SoundHandler
      DURATION        : 00:03:02.184000000
      encoder         : Lavc58.17.100 aac
    Stream #0:3, 0, 1/48000: Audio: aac (LC), 48000 Hz, stereo, fltp, delay 1024, 192 kb/s (default)
    Metadata:
      HANDLER_NAME    : SoundHandler
      DURATION        : 00:03:02.184000000
      encoder         : Lavc58.17.100 aac
Clipping frame in rate conversion by 0.000008
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
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[AVIOContext @ 0x5877840] Statistics: 0 seeks, 0 writeouts
[hls @ 0x4901e80] Opening '/home/lin/Desktop/dest/vs0/manifest0.m4s' for writing
[file @ 0x5932500] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x5937e80] Statistics: 0 seeks, 23 writeouts
[hls @ 0x4901e80] Opening 'crypto:/home/lin/Desktop/dest/vs0/manifest1.m4s' for writing
[crypto @ 0x5a6f3c0] No default whitelist set
[file @ 0x4db9480] Setting default whitelist 'file,crypto'
[hls @ 0x4901e80] Opening '/home/lin/Desktop/dest/vs0/manifest.m3u8.tmp' for writing
[file @ 0x591aa80] Setting default whitelist 'file,crypto'
EXT-X-MEDIA-SEQUENCE:0
[AVIOContext @ 0x5937e80] Statistics: 0 seeks, 1 writeouts
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[AVIOContext @ 0x58c6740] Statistics: 0 seeks, 0 writeouts
[hls @ 0x4901e80] Opening '/home/lin/Desktop/dest/vs1/manifest0.m4s' for writing
[file @ 0x5abd780] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x53ceb00] Statistics: 0 seeks, 19 writeouts
[hls @ 0x4901e80] Opening 'crypto:/home/lin/Desktop/dest/vs1/manifest1.m4s' for writing
[crypto @ 0x5932500] No default whitelist set
[file @ 0x591aa80] Setting default whitelist 'file,crypto'
[hls @ 0x4901e80] Opening '/home/lin/Desktop/dest/vs1/manifest.m3u8.tmp' for writing
[file @ 0x593a440] Setting default whitelist 'file,crypto'
EXT-X-MEDIA-SEQUENCE:0
[AVIOContext @ 0x4dba0c0] Statistics: 0 seeks, 1 writeouts
[hls @ 0x4901e80] Opening '/home/lin/Desktop/dest/master.m3u8' for writing
[file @ 0x4b6cb00] Setting default whitelist 'file,crypto'
[AVIOContext @ 0x5938cc0] Statistics: 0 seeks, 1 writeouts
Clipping frame in rate conversion by 0.002983
[hls @ 0x4901e80] Opening '/home/lin/Desktop/dest/vs0/manifest1.m4s' for writing
[file @ 0x5abd780] Setting default whitelist 'file,crypto'
Segmentation fault (core dumped)

According to dmesg, here's what causes the crash:

[ 7722.376375] ffmpeg[22115]: segfault at 48 ip 00007ffa0f67e08c sp 00007ffcaef97260 error 4 in libc-2.23.so[7ffa0f5f9000+1c0000]
[ 7955.317211] ffmpeg[24384]: segfault at 40c6 ip 00007efe6959808c sp 00007ffc01754400 error 4 in libc-2.23.so[7efe69513000+1c0000]
[ 7974.490782] ffmpeg[24597]: segfault at 211 ip 00007f86b221e08c sp 00007ffeefc30a70 error 4 in libc-2.23.so[7f86b2199000+1c0000]

Build configuration:

ffmpeg -buildconf
ffmpeg version N-90652-g2108a67 Copyright (c) 2000-2018 the FFmpeg developers
  built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.9) 20160609
  configuration: --pkg-config-flags=--static --prefix=/home/lin/bin --bindir=/home/lin/bin --extra-cflags=-I/home/lin/bin/include --extra-ldflags=-L/home/lin/bin/lib --extra-cflags=-I/usr/local/include --extra-ldflags=-L/usr/local/lib --enable-cuda-sdk --enable-cuvid --enable-libnpp --extra-cflags=-I../nv_sdk --extra-ldflags=-L../nv_sdk --extra-cflags=-I/usr/local/cuda/include/ --extra-ldflags=-L/usr/local/cuda/lib64/ --enable-nvenc --nvccflags='-gencode arch=compute_61,code=sm_61 -O2' --enable-vaapi --disable-debug --enable-libvorbis --enable-libvpx --enable-libdrm --enable-gpl --cpu=native --enable-opengl --enable-libfdk-aac --enable-libx264 --enable-libx265 --extra-libs=-lpthread --enable-nonfree
  libavutil      56. 13.100 / 56. 13.100
  libavcodec     58. 17.100 / 58. 17.100
  libavformat    58. 11.101 / 58. 11.101
  libavdevice    58.  2.100 / 58.  2.100
  libavfilter     7. 14.100 /  7. 14.100
  libswscale      5.  0.102 /  5.  0.102
  libswresample   3.  0.101 /  3.  0.101
  libpostproc    55.  0.100 / 55.  0.100

  configuration:
    --pkg-config-flags=--static
    --prefix=/home/lin/bin
    --bindir=/home/lin/bin
    --extra-cflags=-I/home/lin/bin/include
    --extra-ldflags=-L/home/lin/bin/lib
    --extra-cflags=-I/usr/local/include
    --extra-ldflags=-L/usr/local/lib
    --enable-cuda-sdk
    --enable-cuvid
    --enable-libnpp
    --extra-cflags=-I../nv_sdk
    --extra-ldflags=-L../nv_sdk
    --extra-cflags=-I/usr/local/cuda/include/
    --extra-ldflags=-L/usr/local/cuda/lib64/
    --enable-nvenc
    --nvccflags='-gencode arch=compute_61,code=sm_61 -O2'
    --enable-vaapi
    --disable-debug
    --enable-libvorbis
    --enable-libvpx
    --enable-libdrm
    --enable-gpl
    --cpu=native
    --enable-opengl
    --enable-libfdk-aac
    --enable-libx264
    --enable-libx265
    --extra-libs=-lpthread
    --enable-nonfree

Change History (8)

comment:1 by Carl Eugen Hoyos, 7 years ago

Please either provide a simplified command line that others can test or provide backtrace etc. as explained on https://ffmpeg.org/bugreports.html

comment:2 by Dennis E. Mungai, 7 years ago

Alright, here is a simplified command, adjust paths as needed:

ffmpeg -f lavfi -i color=red -f lavfi -i anullsrc -g 29.97 -r 29.97 -b:v:0 1000k -b:v:1 256k -b:a:1 64k -b:a:1 32k  -map 0:v -map 1:a -map 0:v -map 1:a -f hls -var_stream_map "v:0,a:0  v:1,a:1" -master_pl_name  master.m3u8 -t 360 -hls_time 2  -hls_segment_type 1 -hls_key_info_file
 /crypt/channel/secrets.keyinfo /web/cdn/vs%v/output_sl.m3u8

comment:3 by Carl Eugen Hoyos, 7 years ago

Priority: normal → important

There are so many issues here including buffer overwrite, use-after-free and leaks that I don’t know where to start bisecting and debugging.

comment:4 by Steven Liu, 7 years ago

ffmpeg have not support encrypt fmp4 in hls now, it have little different implementation way with mpegts, so need more time.

comment:5 by Dennis E. Mungai, 7 years ago

Thanks for the update.

It now fails with the error "patches welcome".

comment:6 by Dennis E. Mungai, 7 years ago

Hello @stephen, if you have patches for this, I'm willing to be a beta tester. Anytime.

Version 0, edited 7 years ago by Dennis E. Mungai (next)

comment:7 by GoTesla, 5 years ago

@stevenliu When using ffmpeg version 3.4.6-0ubuntu0.18.04.1, I seem to be able to successfully output encrypted fmp4, but there is one small problem: the init.mp4 gets saved to the base directory instead of alongside the desired .m3u8 file (in a subfolder).

So I then upgraded my ffmpeg to ffmpeg version 4.2.2-0york0~18.04 to see if the bug was fixed. The good news is that 4.2.2 seems to save the init.mp4 file to the correct subfolder.

However, the process fails and throws this error:

writing [hls @ 0x562c38c44c40] Encrypted fmp4 not yet supported Could not write header for output file #0 (incorrect codec parameters ?): Not yet implemented in FFmpeg, patches welcome Error initializing output stream 0:1 --  [aac @ 0x562c38ca7940] Qavg: -nan Conversion failed!

Is my understanding correct that ffmpeg supported encrypting fmp4 back in version 3.4.6 but by 4.2.2 dropped support for it?

(I wish I could find a version of ffmpeg that supports encrypting fmp4 and saves the init.mp4 in the same subfolder as the m3u8.)

Thanks!

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