diff options
| author | Fei Wang <fei.w.wang@intel.com> | 2024-07-26 09:05:20 +0800 |
|---|---|---|
| committer | Haihao Xiang <haihao.xiang@intel.com> | 2024-08-09 13:40:24 +0800 |
| commit | dbd74ba3c8f2a11f6ce6c177acfd3bbf1c0ba763 (patch) | |
| tree | 20ce5a712cfe2adecb561f723ef7073a8ad2a7b5 /libavutil/hwcontext_vaapi.c | |
| parent | c390234da2e3c7a8884f5592f0b9b4928c482b3e (diff) | |
| download | ffmpeg-dbd74ba3c8f2a11f6ce6c177acfd3bbf1c0ba763.tar.gz | |
lavu/hwcontext_vaapi: Add option to allow to specify vendor id when init hw device
Vendor id will help to select desired device in case of kernel driver is
unknow or unsupported, for vendor may support different kernel driver on
different platforms.
Signed-off-by: Fei Wang <fei.w.wang@intel.com>
Diffstat (limited to 'libavutil/hwcontext_vaapi.c')
| -rw-r--r-- | libavutil/hwcontext_vaapi.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/libavutil/hwcontext_vaapi.c b/libavutil/hwcontext_vaapi.c index 15fd84aa40..95aa38d9d2 100644 --- a/libavutil/hwcontext_vaapi.c +++ b/libavutil/hwcontext_vaapi.c @@ -1748,7 +1748,9 @@ static int vaapi_device_create(AVHWDeviceContext *ctx, const char *device, #if CONFIG_LIBDRM drmVersion *info; const AVDictionaryEntry *kernel_driver; + const AVDictionaryEntry *vendor_id; kernel_driver = av_dict_get(opts, "kernel_driver", NULL, 0); + vendor_id = av_dict_get(opts, "vendor_id", NULL, 0); #endif for (n = 0; n < max_devices; n++) { snprintf(path, sizeof(path), @@ -1803,6 +1805,33 @@ static int vaapi_device_create(AVHWDeviceContext *ctx, const char *device, close(priv->drm_fd); priv->drm_fd = -1; continue; + } else if (vendor_id) { + drmDevicePtr device; + char drm_vendor[8]; + if (drmGetDevice(priv->drm_fd, &device)) { + av_log(ctx, AV_LOG_VERBOSE, + "Failed to get DRM device info for device %d.\n", n); + close(priv->drm_fd); + priv->drm_fd = -1; + continue; + } + + snprintf(drm_vendor, sizeof(drm_vendor), "0x%x", device->deviceinfo.pci->vendor_id); + if (strcmp(vendor_id->value, drm_vendor)) { + av_log(ctx, AV_LOG_VERBOSE, "Ignoring device %d " + "with non-matching vendor id (%s).\n", + n, vendor_id->value); + drmFreeDevice(&device); + close(priv->drm_fd); + priv->drm_fd = -1; + continue; + } + av_log(ctx, AV_LOG_VERBOSE, "Trying to use " + "DRM render node for device %d, " + "with matching vendor id (%s).\n", + n, vendor_id->value); + drmFreeDevice(&device); + break; } drmFreeVersion(info); #endif |