On 2/21/23 20:42, Ronald S. Bultje wrote:
Hi,
On Tue, Feb 21, 2023 at 5:36 PM Leo Izen <leo.i...@gmail.com
<mailto:leo.i...@gmail.com>> wrote:
These chunks are lightweight and it's useful information to have when
running ffmpeg -i or ffprobe, for example.
I disagree conceptually with this. If we want to skip "all" decoding, we
should also skip metadata for said frames.
I think what we're looking for here is a partial decoding stage, e.g.
"header-only" or similar, instead of "including framedata", for some or
all frames. That's orthogonal to AVDISCARD_*.
Ronald
The issue is that libavformat and ffmpeg.c obtain metadata by calling
the decoder with AVDISCARD_ALL. What you're proposing would require a
structural change elsewhere, and I'm not sure it makes sense to block a
patch like this one based on a hypothetical change elsewhere.
- Leo Izen (thebombzen)
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