2017-07-06 19:51 GMT+08:00 Mark Thompson <s...@jkqxz.net>:
> On 06/07/17 11:48, Steven Liu wrote:
>> From: Steven Liu <lingjiujia...@gmail.com>
>>
>> user need to control the idr_interval for qsv hevc
>>
>> Signed-off-by: Steven Liu <l...@onvideo.cn>
>> ---
>> libavcodec/qsvenc_hevc.c | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/libavcodec/qsvenc_hevc.c b/libavcodec/qsvenc_hevc.c
>> index 7d4d55bb61..c063e27eea 100644
>> --- a/libavcodec/qsvenc_hevc.c
>> +++ b/libavcodec/qsvenc_hevc.c
>> @@ -214,6 +214,7 @@ static av_cold int qsv_enc_close(AVCodecContext *avctx)
>> static const AVOption options[] = {
>> QSV_COMMON_OPTS
>>
>> + { "idr_interval", "Distance (in I-frames) between IDR frames",
>> OFFSET(qsv.idr_interval), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
>> { "load_plugin", "A user plugin to load in an internal session",
>> OFFSET(load_plugin), AV_OPT_TYPE_INT, { .i64 = LOAD_PLUGIN_HEVC_SW },
>> LOAD_PLUGIN_NONE, LOAD_PLUGIN_HEVC_HW, VE, "load_plugin" },
>> { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_NONE },
>> 0, 0, VE, "load_plugin" },
>> { "hevc_sw", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_HEVC_SW
>> }, 0, 0, VE, "load_plugin" },
>>
>
> Sure, I guess?
>
> Though, what use-case do you intend this option for in H.265? It already
> generates IRAP frames at the GOP interval, and unlike H.264 there isn't any
> confusion about whether they are usable as seek points.
hmm, some user report to me they can not split mpegts segment by
keyframe when they use qsv h.265, i sent this patch to them, it can be
split.
>
> (I can't actually remember exactly what types of NAL units it generates with
> and without this option; I'll have a look later.)
>
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