[FFmpeg-user] ffmpeg reported fps different than actual file's
tasoss at trigonongroup.com
Wed Aug 2 01:22:11 EEST 2017
Hello and thanks for replying.
This is what ffprobe gives me(i should have mentioned it earlier)
> Stream #0:0: Video: h264 (High) (H264 / 0x34363248), yuv420p(tv,
> bt709, top first), 1920x1080 [SAR 1:1 DAR 16:9], 5593 kb/s, 50 fps, 25
> tbr, 50 tbn, 50 tbc
On 8/2/2017 1:01 AM, Simon Brown wrote:
> On 1 August 2017 at 22:59, tasos <tasoss at trigonongroup.com> wrote:
>> I get a video file with
>> ffmpeg -y -i /dev/dvb/adapter0/dvr0 -c:v copy -c:a copy foo.avi
>> This file is displayed on vlc as a 50fps video file.
>> Input #0, mpegts, from '/dev/dvb/adapter0/dvr0':
>>> Duration: N/A, start: 7972.129344, bitrate: N/A
>>> Program 1
>>> Stream #0:0[0x6e]: Video: h264 (High) ( / 0x001B),
>>> yuv420p(tv, bt709, top first), 1920x1080 [SAR 1:1 DAR 16:9], 25 fps, 25
>>> tbr, 90k tbn, 50 tbc
>>> Stream #0:1[0x78]: Audio: mp2 ( / 0x0003), 48000 Hz,
>>> stereo, s16p, 128 kb/s
>>> Stream #0:2[0x82]: Audio: mp3 ( / 0x0003), 0 channels,
>> 25 fps,25 tbr.
>> So my question is,is this correct?
>> My guess is that VLC is misreporting it, and it's 50 fields per second,
> interlaced, and so FFMpeg is reporting it as 25 frames per second correctly.
> I have seen something similar myself between the two.
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