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PTool 3.61d topic
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  • mpgxsvcdmpgxsvcd
    60 mb/sec didn't work. I tried it with the buffer set to 60 and without any changes to buffer. Frozen camera and garbage respectively.
  • Angry_CAngry_C
    @mpgxsvcd:

    42 mb/s in endusers section or in testers section?
  • mpgxsvcdmpgxsvcd
    @Sage
    Just 42 mb/sec for the high bit rate FSH/SH and 24p. That is the only thing I changed.
  • SageSage
    @mpgxsvcd
    What were your settings for that last 720p frame grab?
  • mpgxsvcdmpgxsvcd
    It is stable for 40 mb/sec. I am trying 60 mb/sec now. The only issue is the low bit rate 1st second or less that Vitaliy mentioned. It manifests itself in the playback still image. However, that is not a big deal since it plays back so darn nicely.

    I must say that high bit rate b-frameless 720p looks mighty good. Thanks Vitaliy!
  • xsaxsa
    is it stable, how many minutes did you shoot?
  • mpgxsvcdmpgxsvcd
    Here is 1080p at about 40 mb/sec.
    1080p 24 FPS 00002.png
    1920 x 1080 - 4M
  • Vitaliy_KiselevVitaliy_Kiselev
    @mpgxsvcd

    >Just to clarify. Are you saying I shouldn't test other GOPs or just not mention that I am testing them?

    You can do both. Just use testers topics (about AVCHD encoders) or make new one about GOP settings.
    And make clear warning that this is testing.

    >I am getting a weird blip in the first second and then everything evens out.

    It is ok. I also got this during testing. Low bitrate in very start.


  • xsaxsa
    thanks for the hard work Vitaliy,
    I will try to hack my cam first time.
  • mpgxsvcdmpgxsvcd
    Now we are talking 40+ mb/sec 720p! The fact that the average bit rate is hitting the max bit rate indicates that the scene can go higher. Next stop 60 mb/sec.
    720p 40 plus mb-sec.jpg
    1280 x 1024 - 349K
    720p00001.png
    1280 x 720 - 2M
  • mpgxsvcdmpgxsvcd
    I am getting a weird blip in the first second and then everything evens out. Anyone else see this in stream parser? It also shows up in the first second of playback in the camera.
  • TomasoTomaso
    My understandig is that GH2 sensor output always is progressive, For FSH and FH are the 2 interlaced frames taken from same p-frame skipping every other or is it thru interlased where i-frames are taken from each (half) p-frame? If they are taken from same p-frame the result is kind of progresive. Someone know?
  • mpgxsvcdmpgxsvcd
    @Vitaliy

    I didn't think these were casual users? Anyway I can stop mentioning the settings. I didn't think changing the 720p GOP from 30 to 15 would be such a big deal.

    Just to clarify. Are you saying I shouldn't test other GOPs or just not mention that I am testing them?
  • Vitaliy_KiselevVitaliy_Kiselev
    @telkitachki

    >Is there something new for gh1?
    None at the moment.
    GH2 encoder is different, so I can't transfer new knowledge back to GH1.
  • Vitaliy_KiselevVitaliy_Kiselev
    @Elenion

    I know.
    If you pump bitrate it'll be better in top part, but bottom is garbage.
    Why? Because video feed to encoder already looks so.
  • ElenionElenion
    30min limit
    PAL/NTSC
    AVCHD FPS 1080Progressive

    I shoot with 1080i FSH
    These are the results
    Stream1.jpg
    1440 x 900 - 231K
    stream1-1.jpg
    1920 x 1080 - 410K
  • Vitaliy_KiselevVitaliy_Kiselev
    @mpgxsvcd
    Let's make agreement.
    You'll stop recommending custom GOP settings for casual users.
    They belong to testers topics.
  • SageSage
    Streamparser shows, this is a winner.
    + No need to shoot 24p before 720, no need to add b frames to the 720.
  • mpgxsvcdmpgxsvcd
    So I ran some quick tests with the recommended settings(42mb and 35 mb) High and low. I also set the 720p GOP to 15 to match 1080i and set the 1080p one to 12 because it defaults to 13 even though it says the base value is 12.

    All formats are showing higher bit rate averages and max bit rates now. However, 720p does not have B-frames with the setting1 = 3. Here are some screen shots.
    720p High.png
    1280 x 1024 - 195K
    1080p at 30 FPS 80 percent playback High.png
    1280 x 1024 - 197K
    720p High 1-120 shutter speed.png
    1280 x 1024 - 198K
    1080i High.png
    1280 x 1024 - 197K
  • telkitachkitelkitachki
    Is there something new for gh1?
  • Vitaliy_KiselevVitaliy_Kiselev
    @Sage

    Good to know.
    Always read, hints please.
    It is advisable to always check bitrate patches in pairs. Even if you do not use lower setting.
  • SageSage
    Everything is working, and I'm doing my first tests..
  • EOSHDEOSHD
    Thanks Vitaliy. Great to see so many more test options to use. And looking forward to seeing what high bitrate AVCHD 24p looks like for first time on the GH2 :)
  • Vitaliy_KiselevVitaliy_Kiselev
    PTool updated, redownload please. Must work in all regions without this format error now.

    I'll clear this topic.

    Please, before any reports redownload PTool!
  • Angry_CAngry_C
    @vitaliy:

    I wonder you put the progressive patch in ptool again. You said, 25 would never run.
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