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qsvenc: Use MFXVideoENCODE_Query() to update the parameters

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Purpose: Fill out the default/unset parameters with ones actually in use.

Note: Matches the current MediaSDK example code.  This code used to be
present in ffmpeg and was eliminated in revision 1f26a23 on Oct. 31,
2016 (qsv: Merge libav implementation, at
1f26a231bb (diff-7d84a34d58597bb7aa4b8239dca1f9f8)).
Already applied to libav.

Reviewed-by: Luca Barbato <lu_zero@gentoo.org>
(cherry picked from commit b22094d749)
Signed-off-by: Mark Thompson <sw@jkqxz.net>
Signed-off-by: Aaron Levinson <alevinsn@aracnet.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Aaron Levinson 2017-05-05 18:49:57 -07:00 committed by Michael Niedermayer
parent 28230a690e
commit dd8319767e
1 changed files with 9 additions and 1 deletions
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10
libavcodec/qsvenc.c
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@ -740,10 +740,18 @@ int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
if (ret < 0)
return ret;
ret = MFXVideoENCODE_Query(q->session, &q->param, &q->param);
if (ret == MFX_WRN_PARTIAL_ACCELERATION) {
av_log(avctx, AV_LOG_WARNING, "Encoder will work with partial HW acceleration\n");
} else if (ret < 0) {
return ff_qsv_print_error(avctx, ret,
"Error querying encoder params");
}
ret = MFXVideoENCODE_QueryIOSurf(q->session, &q->param, &q->req);
if (ret < 0)
return ff_qsv_print_error(avctx, ret,
"Error querying the encoding parameters");
"Error querying (IOSurf) the encoding parameters");
if (opaque_alloc) {
ret = qsv_init_opaque_alloc(avctx, q);