#11536: prores_aw : Encode Prores 4444 with alpha fail in high resolution
-------------------------------------+-------------------------------------
Reporter: mvignali | Type: defect
Status: new | Priority: normal
Component: | Version: git-
undetermined | master
Keywords: prores | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
Following bug report request by blender project
Prores_aw fail to encode high resolution with alpha
Issue probably similar to https://trac.ffmpeg.org/ticket/9173#ticket
How to reproduce:
{{{
./ffmpeg -f lavfi -i "color=c=red:size=5500x3500" -t 1 -pix_fmt
yuva444p10le -vcodec prores_aw test.mov
}}}
{{{
./ffmpeg -f lavfi -i "color=c=red:size=5500x3500" -t 1 -pix_fmt
yuva444p10le -vcodec prores_aw test.mov
ffmpeg version N-119106-gc1a2da72cc Copyright (c) 2000-2025 the FFmpeg
developers
built with Apple clang version 16.0.0 (clang-1600.0.26.6)
configuration: --prefix=../build
libavutil 60. 0.100 / 60. 0.100
libavcodec 62. 0.100 / 62. 0.100
libavformat 62. 0.100 / 62. 0.100
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
Input #0, lavfi, from 'color=c=red:size=5500x3500':
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #0:0: Video: wrapped_avframe, yuv420p, 5500x3500 [SAR 1:1 DAR
11:7], 25 fps, 25 tbr, 25 tbn
Stream mapping:
Stream #0:0 -> #0:0 (wrapped_avframe (native) -> prores (prores_aw))
Press [q] to stop, [?] for help
[prores_aw @ 0x7fb584907700] encoding with ProRes 4444+ (ap4h) profile
[prores_aw @ 0x7fb584908000] encoding with ProRes 4444+ (ap4h) profile
[prores_aw @ 0x7fb5849088c0] encoding with ProRes 4444+ (ap4h) profile
[prores_aw @ 0x7fb5849091c0] encoding with ProRes 4444+ (ap4h) profile
[prores_aw @ 0x7fb584909ac0] encoding with ProRes 4444+ (ap4h) profile
[prores_aw @ 0x7fb58490a3c0] encoding with ProRes 4444+ (ap4h) profile
[prores_aw @ 0x7fb58490ac80] encoding with ProRes 4444+ (ap4h) profile
[prores_aw @ 0x7fb58490b580] encoding with ProRes 4444+ (ap4h) profile
[prores_aw @ 0x7fb58490be80] encoding with ProRes 4444+ (ap4h) profile
[prores_aw @ 0x7fb58490c780] encoding with ProRes 4444+ (ap4h) profile
[prores_aw @ 0x7fb58490d040] encoding with ProRes 4444+ (ap4h) profile
[prores_aw @ 0x7fb58490d940] encoding with ProRes 4444+ (ap4h) profile
[prores_aw @ 0x7fb58490e240] encoding with ProRes 4444+ (ap4h) profile
[prores_aw @ 0x7fb58490eb40] encoding with ProRes 4444+ (ap4h) profile
[prores_aw @ 0x7fb58490f400] encoding with ProRes 4444+ (ap4h) profile
[prores_aw @ 0x7fb58490fd00] encoding with ProRes 4444+ (ap4h) profile
[prores_aw @ 0x7fb584e05d40] encoding with ProRes 4444+ (ap4h) profile
Output #0, mov, to 'test.mov':
Metadata:
encoder : Lavf62.0.100
Stream #0:0: Video: prores (4444) (ap4h / 0x68347061), yuva444p10le(tv,
progressive), 5500x3500 [SAR 1:1 DAR 11:7], q=2-31, 200 kb/s, 25 fps,
12800 tbn
Metadata:
encoder : Lavc62.0.100 prores_aw
[prores_aw @ 0x7fb584907700] Underestimated required buffer size.
[vost#0:0/prores_aw @ 0x7fb584e05580] [enc:prores_aw @ 0x7fb584e05c80]
Error submitting video frame to the encoder
[vost#0:0/prores_aw @ 0x7fb584e05580] [enc:prores_aw @ 0x7fb584e05c80]
Error encoding a frame: Internal bug, should not have happened
[vost#0:0/prores_aw @ 0x7fb584e05580] Task finished with error code:
-558323010 (Internal bug, should not have happened)
[vost#0:0/prores_aw @ 0x7fb584e05580] Terminating thread with return code
-558323010 (Internal bug, should not have happened)
[out#0/mov @ 0x7fb584e04500] video:0KiB audio:0KiB subtitle:0KiB other
streams:0KiB global headers:0KiB muxing overhead: unknown
[out#0/mov @ 0x7fb584e04500] Output file is empty, nothing was
encoded(check -ss / -t / -frames parameters if used)
frame= 0 fps=0.0 q=0.0 Lsize= 0KiB time=N/A bitrate=N/A speed=N/A
[prores_aw @ 0x7fb584908000] Underestimated required buffer size.
[prores_aw @ 0x7fb5849088c0] Underestimated required buffer size.
Conversion failed!
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/11536>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
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