er: move relevant fields from Picture to ERPicture

This is done to disentangle ER from mpegvideo. In order to use a
classic Picture, callers can use ff_mpeg_set_erpic() or use a custom function
to set the fields. Please note that buffers need to be allocated before
calling ff_er_frame_end().

1 files changed, 16 insertions, 3 deletions

diff --git a/libavcodec/error_resilience.h b/libavcodec/error_resilience.h
index f979656ab7..5171094a54 100644
--- a/libavcodec/error_resilience.h
+++ b/libavcodec/error_resilience.h
@@ -24,6 +24,7 @@
 
 #include "avcodec.h"
 #include "dsputil.h"
+#include "thread.h"
 
 ///< current MB is the first after a resync marker
 #define VP_START               1
@@ -37,6 +38,18 @@
 #define ER_MB_ERROR (ER_AC_ERROR|ER_DC_ERROR|ER_MV_ERROR)
 #define ER_MB_END   (ER_AC_END|ER_DC_END|ER_MV_END)
 
+typedef struct ERPicture {
+    AVFrame *f;
+    ThreadFrame *tf;
+
+    // it's the caller responsability to allocate these buffers
+    int16_t (*motion_val[2])[2];
+    int8_t *ref_index[2];
+
+    uint32_t *mb_type;
+    int field_picture;
+} ERPicture;
+
 typedef struct ERContext {
     AVCodecContext *avctx;
     DSPContext *dsp;
@@ -55,9 +68,9 @@ typedef struct ERContext {
     uint8_t *mbintra_table;
     int mv[2][4][2];
 
-    struct Picture *cur_pic;
-    struct Picture *last_pic;
-    struct Picture *next_pic;
+    ERPicture cur_pic;
+    ERPicture last_pic;
+    ERPicture next_pic;
 
     uint16_t pp_time;
     uint16_t pb_time;