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

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);