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[FFmpeg-devel] lavu/hwcontext_qsv: Join the download/upload session to the main session

Message ID 20240311045602.3086332-1-haihao.xiang@intel.com
State Accepted
Commit 74a8e080d021b6c88677b35d879d269bfc4f93fb
Headers show
Series [FFmpeg-devel] lavu/hwcontext_qsv: Join the download/upload session to the main session | expand

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Commit Message

Xiang, Haihao March 11, 2024, 4:56 a.m. UTC
From: Haihao Xiang <haihao.xiang@intel.com>

This may reduce the number of internal threads when using hwupload or
hwdownload filter.

Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
---
 libavutil/hwcontext_qsv.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

Comments

Xiang, Haihao March 15, 2024, 2:52 a.m. UTC | #1
On Ma, 2024-03-11 at 12:56 +0800, Xiang, Haihao wrote:
> From: Haihao Xiang <haihao.xiang@intel.com>
> 
> This may reduce the number of internal threads when using hwupload or
> hwdownload filter.
> 
> Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
> ---
>  libavutil/hwcontext_qsv.c | 24 ++++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
> 
> diff --git a/libavutil/hwcontext_qsv.c b/libavutil/hwcontext_qsv.c
> index 378cd5e826..e5e043d2d1 100644
> --- a/libavutil/hwcontext_qsv.c
> +++ b/libavutil/hwcontext_qsv.c
> @@ -55,6 +55,10 @@
>      (MFX_VERSION_MAJOR > (MAJOR) ||         \
>       MFX_VERSION_MAJOR == (MAJOR) && MFX_VERSION_MINOR >= (MINOR))
>  
> +#define QSV_RUNTIME_VERSION_ATLEAST(MFX_VERSION, MAJOR, MINOR)          \
> +    ((MFX_VERSION.Major > (MAJOR)) ||                                   \
> +     (MFX_VERSION.Major == (MAJOR) && MFX_VERSION.Minor >= (MINOR)))
> +
>  #define MFX_IMPL_VIA_MASK(impl) (0x0f00 & (impl))
>  #define QSV_ONEVPL       QSV_VERSION_ATLEAST(2, 0)
>  #define QSV_HAVE_OPAQUE  !QSV_ONEVPL
> @@ -1136,6 +1140,17 @@ static int qsv_init_internal_session(AVHWFramesContext
> *ctx,
>      int                   ret = AVERROR_UNKNOWN;
>      /* hwctx->loader is non-NULL for oneVPL user and NULL for non-oneVPL user
> */
>      void             **loader = &hwctx->loader;
> +    mfxSession parent_session = hwctx->session;
> +    mfxIMPL impl;
> +    mfxVersion ver;
> +
> +    err = MFXQueryIMPL(parent_session, &impl);
> +    if (err == MFX_ERR_NONE)
> +        err = MFXQueryVersion(parent_session, &ver);
> +    if (err != MFX_ERR_NONE) {
> +        av_log(ctx, AV_LOG_ERROR, "Error querying the session
> attributes.\n");
> +        return AVERROR_UNKNOWN;
> +    }
>  
>  #if QSV_HAVE_OPAQUE
>      QSVFramesContext              *s = ctx->hwctx;
> @@ -1156,6 +1171,15 @@ static int qsv_init_internal_session(AVHWFramesContext
> *ctx,
>          }
>      }
>  
> +    if (QSV_RUNTIME_VERSION_ATLEAST(ver, 1, 25)) {
> +        err = MFXJoinSession(parent_session, *session);
> +        if (err != MFX_ERR_NONE) {
> +            av_log(ctx, AV_LOG_ERROR, "Error joining session.\n");
> +            ret = AVERROR_UNKNOWN;
> +            goto fail;
> +        }
> +    }
> +
>      if (!opaque) {
>          err = MFXVideoCORE_SetFrameAllocator(*session, &frame_allocator);
>          if (err != MFX_ERR_NONE) {

Will apply

- Haihao
diff mbox series

Patch

diff --git a/libavutil/hwcontext_qsv.c b/libavutil/hwcontext_qsv.c
index 378cd5e826..e5e043d2d1 100644
--- a/libavutil/hwcontext_qsv.c
+++ b/libavutil/hwcontext_qsv.c
@@ -55,6 +55,10 @@ 
     (MFX_VERSION_MAJOR > (MAJOR) ||         \
      MFX_VERSION_MAJOR == (MAJOR) && MFX_VERSION_MINOR >= (MINOR))
 
+#define QSV_RUNTIME_VERSION_ATLEAST(MFX_VERSION, MAJOR, MINOR)          \
+    ((MFX_VERSION.Major > (MAJOR)) ||                                   \
+     (MFX_VERSION.Major == (MAJOR) && MFX_VERSION.Minor >= (MINOR)))
+
 #define MFX_IMPL_VIA_MASK(impl) (0x0f00 & (impl))
 #define QSV_ONEVPL       QSV_VERSION_ATLEAST(2, 0)
 #define QSV_HAVE_OPAQUE  !QSV_ONEVPL
@@ -1136,6 +1140,17 @@  static int qsv_init_internal_session(AVHWFramesContext *ctx,
     int                   ret = AVERROR_UNKNOWN;
     /* hwctx->loader is non-NULL for oneVPL user and NULL for non-oneVPL user */
     void             **loader = &hwctx->loader;
+    mfxSession parent_session = hwctx->session;
+    mfxIMPL impl;
+    mfxVersion ver;
+
+    err = MFXQueryIMPL(parent_session, &impl);
+    if (err == MFX_ERR_NONE)
+        err = MFXQueryVersion(parent_session, &ver);
+    if (err != MFX_ERR_NONE) {
+        av_log(ctx, AV_LOG_ERROR, "Error querying the session attributes.\n");
+        return AVERROR_UNKNOWN;
+    }
 
 #if QSV_HAVE_OPAQUE
     QSVFramesContext              *s = ctx->hwctx;
@@ -1156,6 +1171,15 @@  static int qsv_init_internal_session(AVHWFramesContext *ctx,
         }
     }
 
+    if (QSV_RUNTIME_VERSION_ATLEAST(ver, 1, 25)) {
+        err = MFXJoinSession(parent_session, *session);
+        if (err != MFX_ERR_NONE) {
+            av_log(ctx, AV_LOG_ERROR, "Error joining session.\n");
+            ret = AVERROR_UNKNOWN;
+            goto fail;
+        }
+    }
+
     if (!opaque) {
         err = MFXVideoCORE_SetFrameAllocator(*session, &frame_allocator);
         if (err != MFX_ERR_NONE) {