[FFmpeg-trac] #11550(ffmpeg:closed): "-c copy" somehow failing
FFmpeg
trac at avcodec.org
Fri May 2 19:18:12 EEST 2025
#11550: "-c copy" somehow failing
------------------------------------+-----------------------------------
Reporter: Levan | Owner: (none)
Type: defect | Status: closed
Priority: normal | Component: ffmpeg
Version: git-master | Resolution: invalid
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
------------------------------------+-----------------------------------
Comment (by Levan):
Replying to [comment:4 MasterQuestionable]:
> ͏ What error did you have decoding the MP4 output?
> ͏ E.g. `ffmpeg -v debug -hide_banner -nostdin -nostats -i "x.mp4" -c
copy -f null -`
This is the output
{{{
ffmpeg.exe -v debug -hide_banner -nostdin -nostats -i E:\seduce.mp4 -c
copy -f null -
Splitting the commandline.
Reading option '-v' ... matched as option 'v' (set logging level) with
argument 'debug'.
Reading option '-hide_banner' ... matched as option 'hide_banner' (do not
show program banner) with argument '1'.
Reading option '-nostdin' ... matched as option 'stdin' (enable or disable
interaction on standard input) with argument 0.
Reading option '-nostats' ... matched as option 'stats' (print progress
report during encoding) with argument 0.
Reading option '-i' ... matched as input url with argument
'E:\seduce.mp4'.
Reading option '-c' ... matched as option 'c' (select encoder/decoder
('copy' to copy stream without reencoding)) with argument 'copy'.
Reading option '-f' ... matched as option 'f' (force container format
(auto-detected otherwise)) with argument 'null'.
Reading option '-' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option v (set logging level) with argument debug.
Applying option hide_banner (do not show program banner) with argument 1.
Applying option nostdin (enable or disable interaction on standard input)
with argument 0.
Applying option nostats (print progress report during encoding) with
argument 0.
Successfully parsed a group of options.
Parsing a group of options: input url E:\seduce.mp4.
Successfully parsed a group of options.
Opening an input file: E:\seduce.mp4.
[AVFormatContext @ 000001f70a2ff580] Opening 'E:\seduce.mp4' for reading
[file @ 000001f70a2c5340] Setting default whitelist 'file,crypto,data'
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001f70a2ff580] Format
mov,mp4,m4a,3gp,3g2,mj2 probed with size=2048 and score=100
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001f70a2ff580] ISO: File Type Major Brand:
isom
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001f70a2ff580] Unknown dref type 0x206c7275
size 12
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001f70a2ff580] Processing st: 0, edit list 0
- media time: 0, duration: 301020
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001f70a2ff580] Unknown dref type 0x206c7275
size 12
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001f70a2ff580] Processing st: 1, edit list 0
- media time: 0, duration: 240672
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001f70a2ff580] Before
avformat_find_stream_info() pos: 16557529 bytes read:39713 seeks:1
nb_streams:2
Transform tree:
mdct_inv_float_c - type: mdct_float, len: 64, factors[2]: [2, any],
flags: [unaligned, out_of_place, inv_only]
fft32_ns_float_avx - type: fft_float, len: 32, factor: 2, flags:
[aligned, inplace, out_of_place, preshuf]
Transform tree:
mdct_inv_float_c - type: mdct_float, len: 64, factors[2]: [2, any],
flags: [unaligned, out_of_place, inv_only]
fft32_ns_float_avx - type: fft_float, len: 32, factor: 2, flags:
[aligned, inplace, out_of_place, preshuf]
Transform tree:
mdct_pfa_3xM_inv_float_c - type: mdct_float, len: 96, factors[2]: [3,
any], flags: [unaligned, out_of_place, inv_only]
fft16_ns_float_avx - type: fft_float, len: 16, factor: 2, flags:
[aligned, inplace, out_of_place, preshuf]
Transform tree:
mdct_pfa_15xM_inv_float_c - type: mdct_float, len: 120, factors[2]:
[15, any], flags: [unaligned, out_of_place, inv_only]
fft4_fwd_float_sse2 - type: fft_float, len: 4, factor: 2, flags:
[aligned, inplace, out_of_place, preshuf]
Transform tree:
mdct_inv_float_c - type: mdct_float, len: 128, factors[2]: [2, any],
flags: [unaligned, out_of_place, inv_only]
fft_sr_ns_float_avx - type: fft_float, len: 64, factor: 2, flags:
[aligned, inplace, out_of_place, preshuf]
Transform tree:
mdct_pfa_15xM_inv_float_c - type: mdct_float, len: 480, factors[2]:
[15, any], flags: [unaligned, out_of_place, inv_only]
fft16_ns_float_avx - type: fft_float, len: 16, factor: 2, flags:
[aligned, inplace, out_of_place, preshuf]
Transform tree:
mdct_inv_float_c - type: mdct_float, len: 512, factors[2]: [2, any],
flags: [unaligned, out_of_place, inv_only]
fft_sr_ns_float_avx - type: fft_float, len: 256, factor: 2, flags:
[aligned, inplace, out_of_place, preshuf]
Transform tree:
mdct_pfa_3xM_inv_float_c - type: mdct_float, len: 768, factors[2]: [3,
any], flags: [unaligned, out_of_place, inv_only]
fft_sr_ns_float_avx - type: fft_float, len: 128, factor: 2, flags:
[aligned, inplace, out_of_place, preshuf]
Transform tree:
mdct_pfa_15xM_inv_float_c - type: mdct_float, len: 960, factors[2]:
[15, any], flags: [unaligned, out_of_place, inv_only]
fft32_ns_float_avx - type: fft_float, len: 32, factor: 2, flags:
[aligned, inplace, out_of_place, preshuf]
Transform tree:
mdct_inv_float_c - type: mdct_float, len: 1024, factors[2]: [2, any],
flags: [unaligned, out_of_place, inv_only]
fft_sr_ns_float_avx - type: fft_float, len: 512, factor: 2, flags:
[aligned, inplace, out_of_place, preshuf]
Transform tree:
mdct_fwd_float_c - type: mdct_float, len: 1024, factors[2]: [2, any],
flags: [unaligned, out_of_place, fwd_only]
fft_sr_ns_float_avx - type: fft_float, len: 512, factor: 2, flags:
[aligned, inplace, out_of_place, preshuf]
[extract_extradata @ 000001f70a2e5bc0] No start code is found.
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001f70a2ff580] After
avformat_find_stream_info() pos: 175403 bytes read:215072 seeks:2 frames:0
[in#0/mov,mp4,m4a,3gp,3g2,mj2 @ 000001f70a2ff340] could not find codec
parameters
[aist#0:1/aac @ 000001f70a317800] Guessed Channel Layout: stereo
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'E:\seduce.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2mp41
encoder : Lavf62.0.100
Duration: N/A, bitrate: N/A
Stream #0:0[0x1](eng), 0, 1/60000: Video: hevc, 1 reference frame (hvc1
/ 0x31637668), none(tv, bt709), 1920x1080, 0/1, 26194 kb/s, SAR 1:1 DAR
16:9, 60 fps, 60 tbr, 60k tbn (default)
Metadata:
handler_name : VideoHandler
vendor_id : [0][0][0][0]
Stream #0:1[0x2](eng), 0, 1/48000: Audio: aac (mp4a / 0x6134706D), 48000
Hz, stereo, 198 kb/s (default)
Metadata:
handler_name : SoundHandler
vendor_id : [0][0][0][0]
Successfully opened the file.
Parsing a group of options: output url -.
Applying option c (select encoder/decoder ('copy' to copy stream without
reencoding)) with argument copy.
Applying option f (force container format (auto-detected otherwise)) with
argument null.
Successfully parsed a group of options.
Opening an output file: -.
[out#0/null @ 000001f70a317a00] No explicit maps, mapping streams
automatically...
[vost#0:0/copy @ 000001f70a300d80] Created video stream from input stream
0:0
[aost#0:1/copy @ 000001f70a311f00] Created audio stream from input stream
0:1
Successfully opened the file.
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
Output #0, null, to 'pipe:':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2mp41
encoder : Lavf62.0.100
Stream #0:0(eng), 0, 1/60000: Video: hevc, 1 reference frame (hvc1 /
0x31637668), none(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], 0/1, q=2-31,
26194 kb/s, 60 fps, 60 tbr, 60k tbn (default)
Metadata:
handler_name : VideoHandler
vendor_id : [0][0][0][0]
Stream #0:1(eng), 0, 1/48000: Audio: aac (mp4a / 0x6134706D), 48000 Hz,
stereo, 198 kb/s (default)
Metadata:
handler_name : SoundHandler
vendor_id : [0][0][0][0]
[out#0/null @ 000001f70a317a00] Starting thread...
[in#0/mov,mp4,m4a,3gp,3g2,mj2 @ 000001f70a2ff340] Starting thread...
[in#0/mov,mp4,m4a,3gp,3g2,mj2 @ 000001f70a2ff340] EOF while reading input
[in#0/mov,mp4,m4a,3gp,3g2,mj2 @ 000001f70a2ff340] Terminating thread with
return code 0 (success)
[out#0/null @ 000001f70a317a00] All streams finished
[out#0/null @ 000001f70a317a00] Terminating thread with return code 0
(success)
[out#0/null @ 000001f70a317a00] Output file #0 (pipe:):
[out#0/null @ 000001f70a317a00] Output stream #0:0 (video): 301 packets
muxed (16425977 bytes);
[out#0/null @ 000001f70a317a00] Output stream #0:1 (audio): 235 packets
muxed (124563 bytes);
[out#0/null @ 000001f70a317a00] Total: 536 packets (16550540 bytes)
muxed
[out#0/null @ 000001f70a317a00] video:16041KiB audio:122KiB subtitle:0KiB
other streams:0KiB global headers:0KiB muxing overhead: unknown
frame= 301 fps=0.0 q=-1.0 Lsize=N/A time=00:00:05.01 bitrate=N/A
speed=54.1x
[in#0/mov,mp4,m4a,3gp,3g2,mj2 @ 000001f70a2ff340] Input file #0
(E:\seduce.mp4):
[in#0/mov,mp4,m4a,3gp,3g2,mj2 @ 000001f70a2ff340] Input stream #0:0
(video): 301 packets read (16425977 bytes);
[in#0/mov,mp4,m4a,3gp,3g2,mj2 @ 000001f70a2ff340] Input stream #0:1
(audio): 235 packets read (124563 bytes);
[in#0/mov,mp4,m4a,3gp,3g2,mj2 @ 000001f70a2ff340] Total: 536 packets
(16550540 bytes) demuxed
[AVIOContext @ 000001f70a2fdfc0] Statistics: 16590253 bytes read, 2 seeks
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/11550#comment:5>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
More information about the FFmpeg-trac
mailing list