storing timestamp in mp4 file

[jagan_mp4]

Hi,
do you have any idea about how to store audio / video timestamp for each sample when i am storing audio/video packets into mp4 file from internet. Please let me know the details.

Thanks & Regds,
Jagan

[bond]

can you define "audio/video timestamp" a little bit more, plz

[jagan_mp4]

When we are storing each sample, need to be calculated timestamp for each sample for audio & video. i dont' have any ideas how to manuplate timestamp & store for each sample in mp4 file.

Thanks & Regds,
Jagan

[bond]

dont you have the .mp4 specs?

[jagan_mp4]

i have mp4 spec. i didnt' find details about timestamp. if you provide details about timestamp it will be very helpful for me..

Thanks & Regds,
Jagan

[bond]

hm positions of the keyframes are stored in the stss atom, dts and cts is stored in the ctts atom, lengths of the frames (timewise) are stored in the stts atom