Imported Debian version 2.5.0~trusty1.1

[deb_ffmpeg.git] / ffmpeg / libavcodec / vdpau.h

diff --git a/ffmpeg/libavcodec/vdpau.h b/ffmpeg/libavcodec/vdpau.h
index e25cc42d7ec505d5e8877621c6c0b64c373a8fb3..100677902ef8a166c0841a4003b292c7fef47bd6 100644 (file)
--- a/ffmpeg/libavcodec/vdpau.h
+++ b/ffmpeg/libavcodec/vdpau.h
@@ -149,6 +149,26 @@ AVVDPAUContext *av_alloc_vdpaucontext(void);
 AVVDPAU_Render2 av_vdpau_hwaccel_get_render2(const AVVDPAUContext *);
 void av_vdpau_hwaccel_set_render2(AVVDPAUContext *, AVVDPAU_Render2);
 
+/**
+ * Associate a VDPAU device with a codec context for hardware acceleration.
+ * This function is meant to be called from the get_format() codec callback,
+ * or earlier. It can also be called after avcodec_flush_buffers() to change
+ * the underlying VDPAU device mid-stream (e.g. to recover from non-transparent
+ * display preemption).
+ *
+ * @note get_format() must return AV_PIX_FMT_VDPAU if this function completes
+ * successfully.
+ *
+ * @param avctx decoding context whose get_format() callback is invoked
+ * @param device VDPAU device handle to use for hardware acceleration
+ * @param get_proc_address VDPAU device driver
+ * @param flags zero of more OR'd AV_HWACCEL_FLAG_* flags
+ *
+ * @return 0 on success, an AVERROR code on failure.
+ */
+int av_vdpau_bind_context(AVCodecContext *avctx, VdpDevice device,
+                          VdpGetProcAddress *get_proc_address, unsigned flags);
+
 /**
  * Allocate an AVVDPAUContext.
  *