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-rw-r--r--ffmpeg.h3
-rw-r--r--ffmpeg_opt.c5
-rw-r--r--ffmpeg_qsv.c19
3 files changed, 24 insertions, 3 deletions
diff --git a/ffmpeg.h b/ffmpeg.h
index ebe5bf0406..081913bcfc 100644
--- a/ffmpeg.h
+++ b/ffmpeg.h
@@ -602,6 +602,9 @@ extern const OptionDef options[];
extern const HWAccel hwaccels[];
extern int hwaccel_lax_profile_check;
extern AVBufferRef *hw_device_ctx;
+#if CONFIG_QSV
+extern char *qsv_device;
+#endif
void term_init(void);
diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c
index 6862456c27..a4b8d24991 100644
--- a/ffmpeg_opt.c
+++ b/ffmpeg_opt.c
@@ -3679,5 +3679,10 @@ const OptionDef options[] = {
"set VAAPI hardware device (DRM path or X11 display name)", "device" },
#endif
+#if CONFIG_QSV
+ { "qsv_device", HAS_ARG | OPT_STRING | OPT_EXPERT, { &qsv_device },
+ "set QSV hardware device (DirectX adapter index, DRM path or X11 display name)", "device"},
+#endif
+
{ NULL, },
};
diff --git a/ffmpeg_qsv.c b/ffmpeg_qsv.c
index 68ff5bd5dc..86824b60f2 100644
--- a/ffmpeg_qsv.c
+++ b/ffmpeg_qsv.c
@@ -28,6 +28,8 @@
#include "ffmpeg.h"
+char *qsv_device = NULL;
+
static int qsv_get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
{
InputStream *ist = s->opaque;
@@ -44,15 +46,26 @@ static void qsv_uninit(AVCodecContext *s)
static int qsv_device_init(InputStream *ist)
{
int err;
+ AVDictionary *dict = NULL;
+
+ if (qsv_device) {
+ err = av_dict_set(&dict, "child_device", qsv_device, 0);
+ if (err < 0)
+ return err;
+ }
err = av_hwdevice_ctx_create(&hw_device_ctx, AV_HWDEVICE_TYPE_QSV,
- ist->hwaccel_device, NULL, 0);
+ ist->hwaccel_device, dict, 0);
if (err < 0) {
av_log(NULL, AV_LOG_ERROR, "Error creating a QSV device\n");
- return err;
+ goto err_out;
}
- return 0;
+err_out:
+ if (dict)
+ av_dict_free(&dict);
+
+ return err;
}
int qsv_init(AVCodecContext *s)