Re: mp4_module doubt

2014-05-18 Thread 刘斌
Hello,
  I'm just reading this module and wandering if we can reduce flow
from nginx by align start time to key frames.Our company is a video
website from China.And i want to know does it make sense to do this.

2014-05-19 0:00 GMT+08:00, Roman Arutyunyan :
> Hello,
>
> No plans for this feature yet.
> What is your exact use case?  What is the software you have problems with?
>
> On May 18, 2014, at 4:22 PM, liubin  wrote:
>
>> Hello,
>>  Thanks for your reply.And is it necessary to optimize it?
>>> Date: Sat, 17 May 2014 20:26:36 +0400
>>> From: Roman Arutyunyan 
>>> To: nginx-devel@nginx.org
>>> Subject: Re: mp4_module doubt
>>> Message-ID: <1983aa0d-88e3-4583-a29d-89655f6dc...@nginx.com>
>>> Content-Type: text/plain; charset=utf-8
>>>
>>> Hello,
>>>
>>> The mp4 module does not align start time to key frames.
>>> If you specify unaligned start time you'll get video stream starting
>>> with a non-key frame.  Most players just ignore video data until
>>> the first key frame.
>>>
>>> On May 17, 2014, at 5:55 PM, liubin  wrote:
>>>
 Hello?
I have a question with ngx_http_mp4_module.
As i know,ngx_http_mp4_module compute  start_module using stts.
For example?we get start_sample=3 from the stts.
However,the stss is 1,5,9.
Then,why don?t make start_sample=5?
Can 3 display nomally while there is no 1 as sync sample?
 Best regards,
 -yurnero

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>>
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-- 

--
Best regards,
-yurnerola

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Re: mp4_module doubt

2014-05-18 Thread Roman Arutyunyan
Hello,

No plans for this feature yet.
What is your exact use case?  What is the software you have problems with?

On May 18, 2014, at 4:22 PM, liubin  wrote:

> Hello,
>   Thanks for your reply.And is it necessary to optimize it?
>> Date: Sat, 17 May 2014 20:26:36 +0400
>> From: Roman Arutyunyan 
>> To: nginx-devel@nginx.org
>> Subject: Re: mp4_module doubt
>> Message-ID: <1983aa0d-88e3-4583-a29d-89655f6dc...@nginx.com>
>> Content-Type: text/plain; charset=utf-8
>> 
>> Hello,
>> 
>> The mp4 module does not align start time to key frames.
>> If you specify unaligned start time you'll get video stream starting
>> with a non-key frame.  Most players just ignore video data until
>> the first key frame.
>> 
>> On May 17, 2014, at 5:55 PM, liubin  wrote:
>> 
>>> Hello?
>>> I have a question with ngx_http_mp4_module.
>>> As i know,ngx_http_mp4_module compute  start_module using stts.
>>> For example?we get start_sample=3 from the stts.
>>> However,the stss is 1,5,9.
>>> Then,why don?t make start_sample=5?
>>> Can 3 display nomally while there is no 1 as sync sample?
>>> Best regards,
>>> -yurnero
>>> 
>>> ___
>>> nginx-devel mailing list
>>> nginx-devel@nginx.org
>>> http://mailman.nginx.org/mailman/listinfo/nginx-devel
>> 
>> 
> 
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Re: mp4_module doubt

2014-05-18 Thread liubin
Hello,
Thanks for your reply.And is it necessary to optimize it?
> Date: Sat, 17 May 2014 20:26:36 +0400
> From: Roman Arutyunyan 
> To: nginx-devel@nginx.org
> Subject: Re: mp4_module doubt
> Message-ID: <1983aa0d-88e3-4583-a29d-89655f6dc...@nginx.com>
> Content-Type: text/plain; charset=utf-8
> 
> Hello,
> 
> The mp4 module does not align start time to key frames.
> If you specify unaligned start time you'll get video stream starting
> with a non-key frame.  Most players just ignore video data until
> the first key frame.
> 
> On May 17, 2014, at 5:55 PM, liubin  wrote:
> 
>> Hello?
>>  I have a question with ngx_http_mp4_module.
>>  As i know,ngx_http_mp4_module compute  start_module using stts.
>>  For example?we get start_sample=3 from the stts.
>>  However,the stss is 1,5,9.
>>  Then,why don?t make start_sample=5?
>>  Can 3 display nomally while there is no 1 as sync sample?
>> Best regards,
>> -yurnero
>> 
>> ___
>> nginx-devel mailing list
>> nginx-devel@nginx.org
>> http://mailman.nginx.org/mailman/listinfo/nginx-devel
> 
> 

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