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lavfi/qsvvpp: check the parameters before initializing vpp session 

According to the description about MFXVideoVPP_Query [1], we may call
MFXVideoVPP_Query to check the validity of the parameters for vpp
session, use the corrected values to initialize the session.

[1] https://spec.oneapi.io/versions/latest/elements/oneVPL/source/API_ref/VPL_func_vid_vpp.html#mfxvideovpp-query

Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
This commit is contained in:
Haihao Xiang 2023-06-12 16:14:45 +08:00
parent 5189b51939
commit 579711c2cc
1 changed files with 8 additions and 0 deletions
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8
libavfilter/qsvvpp.c
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@ -823,6 +823,14 @@ int ff_qsvvpp_init(AVFilterContext *avctx, QSVVPPParam *param)
ff_qsvvpp_print_iopattern(avctx, s->vpp_param.IOPattern & 0x0F, "VPP");
/* Print output memory mode */
ff_qsvvpp_print_iopattern(avctx, s->vpp_param.IOPattern & 0xF0, "VPP");
ret = MFXVideoVPP_Query(s->session, &s->vpp_param, &s->vpp_param);
if (ret < 0) {
ret = ff_qsvvpp_print_error(avctx, ret, "Error querying VPP params");
goto failed;
} else if (ret > 0)
ff_qsvvpp_print_warning(avctx, ret, "Warning When querying VPP params");
ret = MFXVideoVPP_Init(s->session, &s->vpp_param);
if (ret < 0) {
ret = ff_qsvvpp_print_error(avctx, ret, "Failed to create a qsvvpp");