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| author | David Rosca <nowrep@gmail.com> | 2023-10-27 22:25:50 +0200 |
|---|---|---|
| committer | Haihao Xiang <haihao.xiang@intel.com> | 2024-04-29 11:08:41 +0800 |
| commit | 1e2ac489a475198460e424fd4a3d166bb3f424a4 (patch) | |
| tree | acf539a3e6fb8eeaf1f38a53405a342e13e3f25b | |
| parent | 578ac5988769592c3b1d80b58af676e38e45e259 (diff) | |
| download | ffmpeg-1e2ac489a475198460e424fd4a3d166bb3f424a4.tar.gz | |
lavu/hwcontext_vaapi: Use vaMapBuffer2 for mapping image buffers
This allows some optimizations in driver, such as not having to read
back the data if write-only mapping is requested.
| -rw-r--r-- | libavutil/hwcontext_vaapi.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libavutil/hwcontext_vaapi.c b/libavutil/hwcontext_vaapi.c index 56d03aa4cd..4cb25dd032 100644 --- a/libavutil/hwcontext_vaapi.c +++ b/libavutil/hwcontext_vaapi.c @@ -809,6 +809,9 @@ static int vaapi_map_frame(AVHWFramesContext *hwfc, VAStatus vas; void *address = NULL; int err, i; +#if VA_CHECK_VERSION(1, 21, 0) + uint32_t vaflags = 0; +#endif surface_id = (VASurfaceID)(uintptr_t)src->data[3]; av_log(hwfc, AV_LOG_DEBUG, "Map surface %#x.\n", surface_id); @@ -892,7 +895,16 @@ static int vaapi_map_frame(AVHWFramesContext *hwfc, } } +#if VA_CHECK_VERSION(1, 21, 0) + if (flags & AV_HWFRAME_MAP_READ) + vaflags |= VA_MAPBUFFER_FLAG_READ; + if (flags & AV_HWFRAME_MAP_WRITE) + vaflags |= VA_MAPBUFFER_FLAG_WRITE; + // On drivers not implementing vaMapBuffer2 libva calls vaMapBuffer instead. + vas = vaMapBuffer2(hwctx->display, map->image.buf, &address, vaflags); +#else vas = vaMapBuffer(hwctx->display, map->image.buf, &address); +#endif if (vas != VA_STATUS_SUCCESS) { av_log(hwfc, AV_LOG_ERROR, "Failed to map image from surface " "%#x: %d (%s).\n", surface_id, vas, vaErrorStr(vas)); |