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lavc/qsv: fallback to the default mfx implementation for internal session on Windows

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The mfx implementation based on D3D11 is expected for an internal
session on Windows, however sometimes this implemntation is not
supported [1]. A fallback to the default mfx implementation is added in
this patch.

[1] https://github.com/intel/cartwheel-ffmpeg/issues/246

Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
This commit is contained in:
Haihao Xiang 2023-05-15 14:04:03 +08:00
parent 0bce5590c3
commit 2b0fe52967
1 changed files with 19 additions and 6 deletions
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25
libavcodec/qsv.c
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@ -677,18 +677,31 @@ static int qsv_create_mfx_session(AVCodecContext *avctx,
int ff_qsv_init_internal_session(AVCodecContext *avctx, QSVSession *qs,
const char *load_plugins, int gpu_copy)
{
mfxIMPL impls[] = {
#if CONFIG_D3D11VA
mfxIMPL impl = MFX_IMPL_AUTO_ANY | MFX_IMPL_VIA_D3D11;
#else
mfxIMPL impl = MFX_IMPL_AUTO_ANY;
MFX_IMPL_AUTO_ANY | MFX_IMPL_VIA_D3D11,
#endif
MFX_IMPL_AUTO_ANY
};
mfxIMPL impl;
mfxVersion ver = { { QSV_VERSION_MINOR, QSV_VERSION_MAJOR } };
const char *desc;
int ret = qsv_create_mfx_session(avctx, impl, &ver, gpu_copy, &qs->session,
int ret;
for (int i = 0; i < FF_ARRAY_ELEMS(impls); i++) {
ret = qsv_create_mfx_session(avctx, impls[i], &ver, gpu_copy, &qs->session,
&qs->loader);
if (ret)
return ret;
if (ret == 0)
break;
if (i == FF_ARRAY_ELEMS(impls) - 1)
return ret;
else
av_log(avctx, AV_LOG_ERROR, "The current mfx implementation is not "
"supported, try next mfx implementation.\n");
}
#ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
ret = ff_qsv_set_display_handle(avctx, qs);