[Libva] [PATCH 1/3] Fix the segfault while encoding multiple slice per frame.

[sreerenj.balachandran at intel.com]

From: Sreerenj Balachandran <sreerenj.balachandran at intel.com>

Zero initialize the packed raw data index array and
packed slice header index array during each preallocation.
---
 src/i965_drv_video.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/i965_drv_video.c b/src/i965_drv_video.c
index c5a4f37..44da864 100755
--- a/src/i965_drv_video.c
+++ b/src/i965_drv_video.c
@@ -2293,6 +2293,7 @@ i965_encoder_render_picture(VADriverContextP ctx,
                  * the packed data index/count for the slice
                  */
                 if (encode->max_slice_params_ext > encode->slice_num) {
+                    int slice_num = encode->slice_num;
                     encode->slice_num = encode->max_slice_params_ext;
                     encode->slice_rawdata_index = realloc(encode->slice_rawdata_index,
                                                           encode->slice_num * sizeof(int));
@@ -2300,6 +2301,12 @@ i965_encoder_render_picture(VADriverContextP ctx,
                                                           encode->slice_num * sizeof(int));
                     encode->slice_header_index = realloc(encode->slice_header_index,
                                                           encode->slice_num * sizeof(int));
+                    memset(encode->slice_rawdata_index + slice_num, 0,
+                        sizeof(int) * NUM_SLICES);
+                    memset(encode->slice_rawdata_count + slice_num, 0,
+                        sizeof(int) * NUM_SLICES);
+                    memset(encode->slice_header_index + slice_num, 0,
+                        sizeof(int) * NUM_SLICES);
                     if ((encode->slice_rawdata_index == NULL) ||
                         (encode->slice_header_index == NULL)  ||
                         (encode->slice_rawdata_count == NULL)) {
-- 
1.9.1