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qsv: Make sure the session is set with the latest version 

It is needed to have the calls to MFXJoinSession succeed.
This commit is contained in:
Luca Barbato 2017-09-25 09:57:30 +00:00
parent 516c479172
commit ccbb31c14b
1 changed files with 17 additions and 0 deletions
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17
libavutil/hwcontext_qsv.c
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@ -1029,6 +1029,23 @@ static int qsv_device_derive_from_child(AVHWDeviceContext *ctx,
goto fail;
}
err = MFXQueryVersion(hwctx->session, &ver);
if (err != MFX_ERR_NONE) {
av_log(ctx, AV_LOG_ERROR, "Error querying an MFX session: %d.\n", err);
ret = AVERROR_UNKNOWN;
goto fail;
}
MFXClose(hwctx->session);
err = MFXInit(implementation, &ver, &hwctx->session);
if (err != MFX_ERR_NONE) {
av_log(ctx, AV_LOG_ERROR,
"Error initializing an MFX session: %d.\n", err);
ret = AVERROR_UNKNOWN;
goto fail;
}
err = MFXVideoCORE_SetHandle(hwctx->session, handle_type, handle);
if (err != MFX_ERR_NONE) {
av_log(ctx, AV_LOG_ERROR, "Error setting child device handle: "