On 12/2/2017 2:37 PM, John Stebbins wrote:
> On 12/02/2017 09:25 AM, James Almer wrote:
>> On 12/2/2017 1:52 PM, John Stebbins wrote:
>>> On 12/02/2017 01:40 AM, Marton Balint wrote:
>>>> On Thu, 30 Nov 2017, John Stebbins wrote:
>>>>
>>>>> Used by movenc to fill sdtp box
>>>>> ---
>>>>> libavcodec/libx265.c | 3 +++
>>>>> 1 file changed, 3 insertions(+)
>>>>>
>>>>> diff --git a/libavcodec/libx265.c b/libavcodec/libx265.c
>>>>> index 4456e300f2..c137fe4ae1 100644
>>>>> --- a/libavcodec/libx265.c
>>>>> +++ b/libavcodec/libx265.c
>>>>> @@ -329,6 +329,9 @@ FF_DISABLE_DEPRECATION_WARNINGS
>>>>> FF_ENABLE_DEPRECATION_WARNINGS
>>>>> #endif
>>>>>
>>>>> +    if (x265pic_out.sliceType == X265_TYPE_B)
>>>>> +        pkt->flags |= AV_PKT_FLAG_DISPOSABLE;
>>>> You can only set this for B pictures which are not referenced by other 
>>>> frames, no? Otherwise they can't be dropped independently from the others.
>>>>
>>>>
>>> Correct.  x265 version 2.5 and above returns X265_TYPE_BREF for frames that 
>>> are referenced.  There is a way to
>>> distinguish on version 2.4 and below as well using 
>>> x265pic_out.frameData.sliceType, and an earlier version of my patch
>>> used that.  But it's really not the "right" way going forward.  I can 
>>> restore it if supporting earlier versions of x265
>>> is important.  But my feeling with such fast moving projects as x265 is 
>>> it's best not to keep too much cruft in support
>>> of old versions.
>> You can bump the minimum required version. Just make the necessary
>> changes in configure.
>>
> 
> Ah, good point.  That should be done, or I should add back support for 
> earlier versions.  Is there any desire by anyone
> to keep support for earlier versions?

No, 2.5 is not even the most recent version, so it's fine as the minimum
supported version.
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