ffmpeg: Generic device setup

Not yet enabled for any hwaccels.

(cherry picked from commit d2e6dd32a445b5744a51d090c0822dbd7e434592)
(cherry picked from commit 9203aac22874c7259e155b7d00f1f33bb1355129)

1 files changed, 17 insertions, 0 deletions

diff --git a/ffmpeg.h b/ffmpeg.h
index a806445e0d..5c115cf9a3 100644
--- a/ffmpeg.h
+++ b/ffmpeg.h
@@ -42,6 +42,7 @@
 #include "libavutil/dict.h"
 #include "libavutil/eval.h"
 #include "libavutil/fifo.h"
+#include "libavutil/hwcontext.h"
 #include "libavutil/pixfmt.h"
 #include "libavutil/rational.h"
 #include "libavutil/threadmessage.h"
@@ -74,8 +75,15 @@ typedef struct HWAccel {
     int (*init)(AVCodecContext *s);
     enum HWAccelID id;
     enum AVPixelFormat pix_fmt;
+    enum AVHWDeviceType device_type;
 } HWAccel;
 
+typedef struct HWDevice {
+    char *name;
+    enum AVHWDeviceType type;
+    AVBufferRef *device_ref;
+} HWDevice;
+
 /* select an input stream for an output stream */
 typedef struct StreamMap {
     int disabled;           /* 1 is this mapping is disabled by a negative map */
@@ -661,4 +669,13 @@ int vaapi_decode_init(AVCodecContext *avctx);
 int vaapi_device_init(const char *device);
 int cuvid_init(AVCodecContext *s);
 
+HWDevice *hw_device_get_by_name(const char *name);
+int hw_device_init_from_string(const char *arg, HWDevice **dev);
+void hw_device_free_all(void);
+
+int hw_device_setup_for_decode(InputStream *ist);
+int hw_device_setup_for_encode(OutputStream *ost);
+
+int hwaccel_decode_init(AVCodecContext *avctx);
+
 #endif /* FFMPEG_H */