Video format for mobile

Colin Holgate colinholgate at gmail.com
Thu Apr 9 16:41:22 EDT 2020


A long time ago it was possible to work around hardware acceleration issues by playing the video at a different size. That is, a 1920x1080 playback would fail and a 1920x1081 would work. It was just a trick to force the player to use software instead of hardware.


> On Apr 9, 2020, at 2:36 PM, Mark Waddingham via use-livecode <use-livecode at lists.runrev.com> wrote:
> 
> This sounds like a bug we are currently fixing (hopefully in time for 9.6-DP-4) - the android player doesn’t currently play nicely with accelerated rendering... Turning that off should mean things play properly.
> 
> We use the system player object so MP4 should be fine.
> 
> Warmest Regards,
> 
> Mark.
> 
> Sent from my iPhone
> 
>> On 9 Apr 2020, at 20:31, J. Landman Gay via use-livecode <use-livecode at lists.runrev.com> wrote:
>> 
>> I tried the browser widget: no audio, no video, white screen, no browser outline on Android.
>> 
>> I tried a mobile browser (mobileControlCreate): audio plays, no video, white screen.
>> 
>> So yeah, it looks like there's no codec. The widget on desktop doesn't play it either. If I ask the client to re-do the videos, what codec should I ask for? I was told that we had to use their existing videos, so I'm not even sure they will re-do them.
>> 
>>> On 4/9/20 1:01 PM, Tom Glod via use-livecode wrote:
>>> I'm sorry to be the bearer of bad news here.  :(
>>> if its h264 the browser widget won't play it. If you saw video but no audio
>>> then thats one thing.....but no video means the video codec is also absent.
>>>> On Thu, Apr 9, 2020 at 1:57 PM J. Landman Gay via use-livecode <
>>>> use-livecode at lists.runrev.com> wrote:
>>>> They're kind of huge (like 400 MB) so I didn't copy them to my phone, but
>>>> they play okay on Mac
>>>> using Firefox and on Android using Chrome browser. I guess that doesn't
>>>> tell us much.
>>>> 
>>>> Swami suggested to me privately that he uses a browser widget to play
>>>> videos so I will try that
>>>> next.
>>>> 
>>>> On 4/9/20 9:20 AM, Mark Talluto via use-livecode wrote:
>>>>> What happens if you play the file locally on each device?
>>>>> 
>>>>> -Mark
>>>>> 
>>>>> On Wed, Apr 8, 2020 at 10:22 PM J. Landman Gay via use-livecode <
>>>>> use-livecode at lists.runrev.com> wrote:
>>>>> 
>>>>>> Not sure what you mean by "an existing app" but my test app uses
>>>>>> mobileControlCreate to set up
>>>>>> a mobile player. When it accesses the video from my server, it's all
>>>> black
>>>>>> with no video or
>>>>>> audio, and the nonexistent playback quits a few seconds in.
>>>>>> 
>>>>>> I'm not sure whether these videos were created with streaming in mind. I
>>>>>> vaguely remember we
>>>>>> used to need to set a "streaming" checkbox when creating a video. Is
>>>> that
>>>>>> still required?
>>>>>> 
>>>>>>>> --
>>>>>>>> Jacqueline Landman Gay         |     jacque at hyperactivesw.com
>>>>>>>> HyperActive Software           |     http://www.hyperactivesw.com
>>>>>>>> 
>>>>>> 
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>>>> 
>>>> 
>>>> --
>>>> Jacqueline Landman Gay         |     jacque at hyperactivesw.com
>>>> HyperActive Software           |     http://www.hyperactivesw.com
>>>> 
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>> 
>> 
>> -- 
>> Jacqueline Landman Gay         |     jacque at hyperactivesw.com
>> HyperActive Software           |     http://www.hyperactivesw.com
>> 
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