radeon/vce: add proper CPB backtrack

Remember what frames we encoded at which position.

Signed-off-by: Christian König <christian.koenig@amd.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/src/gallium/drivers/radeon/radeon_vce.h b/src/gallium/drivers/radeon/radeon_vce.h
index 3ea738b..f815cad 100644
--- a/src/gallium/drivers/radeon/radeon_vce.h
+++ b/src/gallium/drivers/radeon/radeon_vce.h
@@ -34,6 +34,8 @@
 #ifndef RADEON_VCE_H
 #define RADEON_VCE_H
 
+#include "util/u_double_list.h"
+
 #define RVCE_RELOC(buf, usage, domain) (enc->ws->cs_add_reloc(enc->cs, (buf), (usage), domain, RADEON_PRIO_MIN))
 
 #define RVCE_CS(value) (enc->cs->buf[enc->cs->cdw++] = (value))
@@ -52,6 +54,16 @@ typedef void (*rvce_get_buffer)(struct pipe_resource *resource,
 				struct radeon_winsys_cs_handle **handle,
 				struct radeon_surface **surface);
 
+/* Coded picture buffer slot */
+struct rvce_cpb_slot {
+	struct list_head		list;
+
+	unsigned			index;
+	enum pipe_h264_enc_picture_type	picture_type;
+	unsigned			frame_num;
+	unsigned			pic_order_cnt;
+};
+
 /* VCE encoder representation */
 struct rvce_encoder {
 	struct pipe_video_codec		base;
@@ -82,6 +94,9 @@ struct rvce_encoder {
 	struct radeon_winsys_cs_handle*	bs_handle;
 	unsigned			bs_size;
 
+	struct rvce_cpb_slot		*cpb_array;
+	struct list_head		cpb_slots;
+
 	struct rvid_buffer		*fb;
 	struct rvid_buffer		cpb;
 	struct pipe_h264_enc_picture_desc pic;