[PATCH 11/30] Encapsulate lz4 information in EncodersData structure

[Frediano Ziglio <fziglio@xxxxxxxxxx>]

Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
---
 server/dcc-encoders.c | 16 ++++++++--------
 server/dcc-encoders.h |  5 +++++
 server/dcc.c          | 16 +++++++++-------
 server/dcc.h          |  4 ----
 4 files changed, 22 insertions(+), 19 deletions(-)

diff --git a/server/dcc-encoders.c b/server/dcc-encoders.c
index 01eb9b8..dadcb07 100644
--- a/server/dcc-encoders.c
+++ b/server/dcc-encoders.c
@@ -373,14 +373,14 @@ static void dcc_init_jpeg(EncodersData *enc)
 }
 
 #ifdef USE_LZ4
-static inline void dcc_init_lz4(DisplayChannelClient *dcc)
+static inline void dcc_init_lz4(EncodersData *enc)
 {
-    dcc->lz4_data.usr.more_space = lz4_usr_more_space;
-    dcc->lz4_data.usr.more_lines = lz4_usr_more_lines;
+    enc->lz4_data.usr.more_space = lz4_usr_more_space;
+    enc->lz4_data.usr.more_lines = lz4_usr_more_lines;
 
-    dcc->lz4 = lz4_encoder_create(&dcc->lz4_data.usr);
+    enc->lz4 = lz4_encoder_create(&enc->lz4_data.usr);
 
-    if (!dcc->lz4) {
+    if (!enc->lz4) {
         spice_critical("create lz4 encoder failed");
     }
 }
@@ -407,7 +407,7 @@ void dcc_encoders_init(DisplayChannelClient *dcc)
     dcc_init_lz(enc);
     dcc_init_jpeg(enc);
 #ifdef USE_LZ4
-    dcc_init_lz4(dcc);
+    dcc_init_lz4(enc);
 #endif
     dcc_init_zlib(dcc);
 
@@ -425,8 +425,8 @@ void dcc_encoders_free(DisplayChannelClient *dcc)
     jpeg_encoder_destroy(enc->jpeg);
     enc->jpeg = NULL;
 #ifdef USE_LZ4
-    lz4_encoder_destroy(dcc->lz4);
-    dcc->lz4 = NULL;
+    lz4_encoder_destroy(enc->lz4);
+    enc->lz4 = NULL;
 #endif
     zlib_encoder_destroy(dcc->zlib);
     dcc->zlib = NULL;
diff --git a/server/dcc-encoders.h b/server/dcc-encoders.h
index e906d9b..eb34785 100644
--- a/server/dcc-encoders.h
+++ b/server/dcc-encoders.h
@@ -173,6 +173,11 @@ struct EncodersData {
 
     JpegData jpeg_data;
     JpegEncoderContext *jpeg;
+
+#ifdef USE_LZ4
+    Lz4Data lz4_data;
+    Lz4EncoderContext *lz4;
+#endif
 };
 
 typedef struct compress_send_data_t {
diff --git a/server/dcc.c b/server/dcc.c
index dca9715..aeaa2eb 100644
--- a/server/dcc.c
+++ b/server/dcc.c
@@ -785,14 +785,15 @@ glz:
 }
 
 #ifdef USE_LZ4
-static int dcc_compress_image_lz4(DisplayChannelClient *dcc, SpiceImage *dest,
-                                  SpiceBitmap *src, compress_send_data_t* o_comp_data)
+static int dcc_compress_image_lz4(EncodersData *enc, SpiceImage *dest,
+                                  SpiceBitmap *src, compress_send_data_t* o_comp_data,
+                                  stat_info_t *stats)
 {
-    Lz4Data *lz4_data = &dcc->lz4_data;
-    Lz4EncoderContext *lz4 = dcc->lz4;
+    Lz4Data *lz4_data = &enc->lz4_data;
+    Lz4EncoderContext *lz4 = enc->lz4;
     int lz4_size = 0;
     stat_start_time_t start_time;
-    stat_start_time_init(&start_time, &DCC_TO_DC(dcc)->lz4_stat);
+    stat_start_time_init(&start_time, stats);
 
 #ifdef COMPRESS_DEBUG
     spice_info("LZ4 compress");
@@ -829,7 +830,7 @@ static int dcc_compress_image_lz4(DisplayChannelClient *dcc, SpiceImage *dest,
     o_comp_data->comp_buf = lz4_data->data.bufs_head;
     o_comp_data->comp_buf_size = lz4_size;
 
-    stat_compress_add(&DCC_TO_DC(dcc)->lz4_stat, start_time, src->stride * src->y,
+    stat_compress_add(stats, start_time, src->stride * src->y,
                       o_comp_data->comp_buf_size);
     return TRUE;
 }
@@ -964,7 +965,8 @@ int dcc_compress_image(DisplayChannelClient *dcc,
     case SPICE_IMAGE_COMPRESSION_LZ4:
         if (red_channel_client_test_remote_cap(&dcc->common.base,
                                                SPICE_DISPLAY_CAP_LZ4_COMPRESSION)) {
-            success = dcc_compress_image_lz4(dcc, dest, src, o_comp_data);
+            success = dcc_compress_image_lz4(&dcc->encoders, dest, src, o_comp_data,
+                                             &display_channel->lz4_stat);
             break;
         }
 #endif
diff --git a/server/dcc.h b/server/dcc.h
index b200d50..ef4fae22 100644
--- a/server/dcc.h
+++ b/server/dcc.h
@@ -65,10 +65,6 @@ struct DisplayChannelClient {
 
     int zlib_level;
 
-#ifdef USE_LZ4
-    Lz4Data lz4_data;
-    Lz4EncoderContext *lz4;
-#endif
     ZlibData zlib_data;
     ZlibEncoder *zlib;
 
-- 
2.7.4

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