In the situation without decoding, how to identify it ?
penguin flying 于2020年7月19日周日 上午11:56写道：
> After reading a frame like this:
>
> AVFormatContext *ifmt_ctx = NULL;
> AVPacket pkt = { .data = NULL, .size = 0 };
> ...
>
> if ((ret = av_read_frame(ifmt_ctx, &pkt)) < 0)
> break;
>
>
After reading a frame like this:
AVFormatContext *ifmt_ctx = NULL;
AVPacket pkt = { .data = NULL, .size = 0 };
...
if ((ret = av_read_frame(ifmt_ctx, &pkt)) < 0)
break;
How to identify this video frame is IDR frame or not ?
as far as I know,
(pkt.flags & AV_PKT_FLAG_KEY) only show
Hello,
One of my computers runs OS X 10.9. Can I use the latest source code builds
with it. I recall, seeing the information published at https://ffmpeg.org that
the min version was 10.9 but now can’t find it. Do you know what rea the system
requirements? I downloaded the most recent build, inst
On Sat, 18 Jul 2020, Ben via ffmpeg-user wrote:
Ok, I can change the internal EXIF Metadata "Creation time" of an MP4 video
with the following command:
ffmpeg -i input.mp4 -c copy -map 0 -metadata creation_time="2020-04-19
11:30:00" output.mp4
It works.
However the date is interpreted
> And 'moov' contains the info needed to make sense of the rest of the file.
> Now that it has that, it goes back and downloads from where it
> short-circuited before. At <10MBs, as you say, it might make more sense to
> download the whole file and then work with it on disk. But for larger
> do
Ok, I can change the internal EXIF Metadata "Creation time" of an MP4 video
with the following command:
ffmpeg -i input.mp4 -c copy -map 0 -metadata creation_time="2020-04-19
11:30:00" output.mp4
It works.
However the date is interpreted as UTC time zone value.
Since I the videos are take
