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qsv: Join the derived session to the parent

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Should improve the performance on multiple transcoding from a single
source.
This commit is contained in:
Luca Barbato 2017-09-24 13:54:28 +00:00
parent ccbb31c14b
commit ea25ccd1b2
2 changed files with 8 additions and 0 deletions
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5
libavcodec/qsv.c
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@ -593,6 +593,11 @@ int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession,
"Error setting a HW handle");
}
err = MFXJoinSession(parent_session, session);
if (err != MFX_ERR_NONE)
return ff_qsv_print_error(avctx, err,
"Error joining session");
ret = qsv_load_plugins(session, load_plugins, avctx);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");

3
libavfilter/qsvvpp.c
View File

@ -515,6 +515,9 @@ static int init_vpp_session(AVFilterContext *avctx, QSVVPPContext *s)
if (ret != MFX_ERR_NONE)
return AVERROR_UNKNOWN;
}
ret = MFXJoinSession(device_hwctx->session, s->session);
if (ret != MFX_ERR_NONE)
return AVERROR_UNKNOWN;
if (IS_OPAQUE_MEMORY(s->in_mem_mode) || IS_OPAQUE_MEMORY(s->out_mem_mode)) {
s->opaque_alloc.In.Surfaces = s->surface_ptrs_in;