From 48e139409556861c9e561ce34133891d8eecc3cf Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Tue, 26 Nov 2013 12:18:44 +0100
Subject: [PATCH] mpeg4videodec: move MpegEncContext.resync_marker into
 Mpeg4DecContext.

---
 libavcodec/mpeg4video.h    | 2 ++
 libavcodec/mpeg4videodec.c | 4 ++--
 libavcodec/mpegvideo.h     | 1 -
 libavcodec/vaapi_mpeg4.c   | 2 +-
 libavcodec/vdpau_mpeg4.c   | 6 ++++--
 5 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/libavcodec/mpeg4video.h b/libavcodec/mpeg4video.h
index 12a49f9fa6..1bdae38997 100644
--- a/libavcodec/mpeg4video.h
+++ b/libavcodec/mpeg4video.h
@@ -68,6 +68,8 @@ typedef struct Mpeg4DecContext {
     int vol_sprite_usage;
     // reversible vlc
     int rvlc;
+    ///< could this stream contain resync markers
+    int resync_marker;
 } Mpeg4DecContext;
 
 /* dc encoding for mpeg4 */
diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c
index 65d51e2c41..8511dc3d0d 100644
--- a/libavcodec/mpeg4videodec.c
+++ b/libavcodec/mpeg4videodec.c
@@ -1931,7 +1931,7 @@ no_cplx_est:
             s->cplx_estimation_trash_b = 0;
         }
 
-        s->resync_marker = !get_bits1(gb); /* resync_marker_disabled */
+        ctx->resync_marker = !get_bits1(gb); /* resync_marker_disabled */
 
         s->data_partitioning = get_bits1(gb);
         if (s->data_partitioning)
@@ -2240,7 +2240,7 @@ static int decode_vop_header(Mpeg4DecContext *ctx, GetBitContext *gb)
                    s->pict_type == AV_PICTURE_TYPE_I ? "I" : (s->pict_type == AV_PICTURE_TYPE_P ? "P" : (s->pict_type == AV_PICTURE_TYPE_B ? "B" : "S")),
                    gb->size_in_bits, s->progressive_sequence, s->alternate_scan,
                    s->top_field_first, s->quarter_sample ? "q" : "h",
-                   s->data_partitioning, s->resync_marker,
+                   s->data_partitioning, ctx->resync_marker,
                    s->num_sprite_warping_points, s->sprite_warping_accuracy,
                    1 - s->no_rounding, s->vo_type,
                    s->vol_control_parameters ? " VOLC" : " ", s->intra_dc_threshold,
diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h
index a83241a6b2..e8a9ec2dcd 100644
--- a/libavcodec/mpegvideo.h
+++ b/libavcodec/mpegvideo.h
@@ -599,7 +599,6 @@ typedef struct MpegEncContext {
     int low_latency_sprite;
     int data_partitioning;           ///< data partitioning flag from header
     int partitioned_frame;           ///< is current frame partitioned
-    int resync_marker;               ///< could this stream contain resync markers
     int low_delay;                   ///< no reordering needed / has no b-frames
     int vo_type;
     int vol_control_parameters;      ///< does the stream contain the low_delay flag, used to workaround buggy encoders
diff --git a/libavcodec/vaapi_mpeg4.c b/libavcodec/vaapi_mpeg4.c
index 75bfb22a0a..f01285abee 100644
--- a/libavcodec/vaapi_mpeg4.c
+++ b/libavcodec/vaapi_mpeg4.c
@@ -72,7 +72,7 @@ static int vaapi_mpeg4_start_frame(AVCodecContext *avctx, av_unused const uint8_
     pic_param->vol_fields.bits.quarter_sample           = s->quarter_sample;
     pic_param->vol_fields.bits.data_partitioned         = s->data_partitioning;
     pic_param->vol_fields.bits.reversible_vlc           = ctx->rvlc;
-    pic_param->vol_fields.bits.resync_marker_disable    = !s->resync_marker;
+    pic_param->vol_fields.bits.resync_marker_disable    = !ctx->resync_marker;
     pic_param->no_of_sprite_warping_points              = s->num_sprite_warping_points;
     for (i = 0; i < s->num_sprite_warping_points && i < 3; i++) {
         pic_param->sprite_trajectory_du[i]              = s->sprite_traj[i][0];
diff --git a/libavcodec/vdpau_mpeg4.c b/libavcodec/vdpau_mpeg4.c
index 8ccb3d6d6a..17205fe317 100644
--- a/libavcodec/vdpau_mpeg4.c
+++ b/libavcodec/vdpau_mpeg4.c
@@ -24,13 +24,15 @@
 #include <vdpau/vdpau.h>
 
 #include "avcodec.h"
+#include "mpeg4video.h"
 #include "vdpau.h"
 #include "vdpau_internal.h"
 
 static int vdpau_mpeg4_start_frame(AVCodecContext *avctx,
                                    const uint8_t *buffer, uint32_t size)
 {
-    MpegEncContext * const s = avctx->priv_data;
+    Mpeg4DecContext *ctx = avctx->priv_data;
+    MpegEncContext * const s = &ctx->m;
     Picture *pic             = s->current_picture_ptr;
     struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
     VdpPictureInfoMPEG4Part2 *info = &pic_ctx->info.mpeg4;
@@ -62,7 +64,7 @@ static int vdpau_mpeg4_start_frame(AVCodecContext *avctx,
     info->vop_time_increment_resolution     = s->avctx->time_base.den;
     info->vop_fcode_forward                 = s->f_code;
     info->vop_fcode_backward                = s->b_code;
-    info->resync_marker_disable             = !s->resync_marker;
+    info->resync_marker_disable             = !ctx->resync_marker;
     info->interlaced                        = !s->progressive_sequence;
     info->quant_type                        = s->mpeg_quant;
     info->quarter_sample                    = s->quarter_sample;