[mythtv-users] HTTP Live Stream Quality

[Christopher Kerr]

On Wed, May 16, 2012 at 1:09 PM, Byron Poland <wpoland at gmail.com> wrote:

> On Mon, May 14, 2012 at 5:50 PM, Chris Pinkham <cpinkham at bc2va.org> wrote:
>
>> * On Sun May 13, 2012 at 10:28:54PM -0400, Byron Poland wrote:
>> > Following up on this -  After changing the  "c->level                 =
>> > 13;" line to "c->level                 = 31;" in the avformatwritter.cpp
>> > file and recompiling, the baseline is now reporting 3.1 from myth and
>> the
>> > HLS stream looks great on my iPad.
>> >
>> > Is there any hope to getting this changed in the 0.26 or fixes/0.25?
>>
>> Can you test the following patch?
>>
>> http://pastebin.ca/2148415
>>
>> Something will definitely go into 0.26, but to get into fixes/0.25, it
>> will need to be pretty non-invasive, so checking for low resolution and
>> bitrate as in this patch should be pretty safe.
>>
>> This is based on the presets in the ffpresets directory and should use
>> the following in this order:
>>
>> - Main 4.1 for anything with a width of over 1000 pixels (ie, iPad, etc.)
>> - Main 3.1 for anything with a width of over 960 pixels (ie, iPhone 4/4s)
>> - Baseline 1.3 for anything <= 320x240 and 768K bitrate
>> - Baseline 3.0 for anything else
>>
>> This is a quick patch, and hasn't been tested on any of my devices yet
>> (iPhone 3/3G, iPod Touch 2g, Android Tablet w/ Honeycomb).  Perhaps this
>> will fix my Android issue, I'll try to test that tonight.
>>
>> --
>> Chris
>
>
>
> Thanks for the patch.
>
> I was able to apply this and playing around with a few tests, and running
> the ts files through mediainfo.. shows the stream doing pretty much as you
> describe... Baseline based on the chosen size.
>

Has anything along these lines been committed to -fixes or Master? I'm not
really in a position to start building my own packages right now.

- Chris
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