Hi Everyone, Anyone kindly wanting to help me on this matter? I am really stuck. In case of my question being vague, I can reword it. Please let me know.
Kind regards. On Wed, Mar 3, 2021, 19:31 ilkercan Kaya <[email protected]> wrote: > In case this got lost, I'm kindly replying to this thread. > > On Sun, Feb 21, 2021, 04:20 ilkercan Kaya <[email protected]> wrote: > >> Hello Everyone, >> >> I am trying to seek my audio ogg file with the following: >> >> int64_t targetPts = av_rescale_q(seekTimeMicro, AV_TIME_BASE_Q, >> streamTimeBase); >> >> av_seek_frame(avFormatContext, streamInfoIndex, targetPts, >> AVSEEK_FLAG_BACKWARD); >> >> >> This works all fine. Most of the time AVSEEK_FLAG_BACKWARD makes sure >> that the stream is seeked to a time before targetPts. However, there are >> times the opposite happens, seeking a time after targetPts. I can see this >> with the first frame I request from avcodec_receive_frame() having pts >> (avFrame->pts) greater than my targetPts. I need to ensure that the first >> frame I receive is always smaller than my targetPts. (it's an overhead in >> my system, long story). >> >> I read it that here >> <https://stackoverflow.com/questions/20734814/ffmpeg-av-seek-frame-with-avseek-flag-any-causes-grey-screen>: >> "It appears that, for some reason, av_seek_frame() using >> AVSEEK_FLAG_BACKWARD returns the next keyframe when the frame that I am >> seeking is the one directly before this keyframe. Otherwise it returns the >> previous keyframe (which is what I want).". I suspect that this is the >> case. However, this post is too old so it might be outdated. >> >> Could you help me? >> Thank you! >> >> >>
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