[4/9] hwcontext_qsv: do not fail when download/upload VPP session creation fails
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Message ID 1476214475-20187-4-git-send-email-anton@khirnov.net
State Committed
Commit b91ce4860054430d3712deb0d9487cac2fcb7d68
Headers show

Commit Message

Anton Khirnov Oct. 11, 2016, 7:34 p.m. 
Certain pixel formats (e.g. P8) might not be supported for
download/upload through VPP operations, but can still be used otherwise.
---
 libavutil/hwcontext_qsv.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

Comments

Luca Barbato Oct. 12, 2016, 4:17 p.m. | #1 
On 11/10/2016 21:34, Anton Khirnov wrote:
> Certain pixel formats (e.g. P8) might not be supported for
> download/upload through VPP operations, but can still be used otherwise.
> ---
>  libavutil/hwcontext_qsv.c | 16 ++++++++++++++--
>  1 file changed, 14 insertions(+), 2 deletions(-)
> 

Ok.

Patch
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diff --git a/libavutil/hwcontext_qsv.c b/libavutil/hwcontext_qsv.c
index 3679dc0..ae4b427 100644
--- a/libavutil/hwcontext_qsv.c
+++ b/libavutil/hwcontext_qsv.c
@@ -450,8 +450,10 @@  static int qsv_init_internal_session(AVHWFramesContext *ctx,
 
     err = MFXVideoVPP_Init(*session, &par);
     if (err != MFX_ERR_NONE) {
-        av_log(ctx, AV_LOG_ERROR, "Error opening the internal VPP session\n");
-        return AVERROR_UNKNOWN;
+        av_log(ctx, AV_LOG_VERBOSE, "Error opening the internal VPP session."
+               "Surface upload/download will not be possible\n");
+        MFXClose(*session);
+        *session = NULL;
     }
 
     return 0;
@@ -567,6 +569,11 @@  static int qsv_transfer_data_from(AVHWFramesContext *ctx, AVFrame *dst,
     mfxSyncPoint sync = NULL;
     mfxStatus err;
 
+    if (!s->session_download) {
+        av_log(ctx, AV_LOG_ERROR, "Surface download not possible\n");
+        return AVERROR(ENOSYS);
+    }
+
     out.Info = in->Info;
     out.Data.PitchLow = dst->linesize[0];
     out.Data.Y        = dst->data[0];
@@ -606,6 +613,11 @@  static int qsv_transfer_data_to(AVHWFramesContext *ctx, AVFrame *dst,
     mfxSyncPoint sync = NULL;
     mfxStatus err;
 
+    if (!s->session_upload) {
+        av_log(ctx, AV_LOG_ERROR, "Surface upload not possible\n");
+        return AVERROR(ENOSYS);
+    }
+
     in.Info = out->Info;
     in.Data.PitchLow = src->linesize[0];
     in.Data.Y        = src->data[0];