[FFmpeg-devel] [PATCH 2/3] avcodec/hevc_ps: fix storage type for some PPS multilayer extension fields

James Almer jamrial at gmail.com
Mon Apr 17 17:16:46 EEST 2023


The spec states that the range of values for them is −2^14 to 2^14 − 1, inclusive.

Signed-off-by: James Almer <jamrial at gmail.com>
---
 libavcodec/hevc_ps.h | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/libavcodec/hevc_ps.h b/libavcodec/hevc_ps.h
index 184f87a001..5a80cf5d80 100644
--- a/libavcodec/hevc_ps.h
+++ b/libavcodec/hevc_ps.h
@@ -317,15 +317,15 @@ typedef struct HEVCPPS {
     uint8_t num_ref_loc_offsets;
     uint8_t ref_loc_offset_layer_id[64];
     uint8_t scaled_ref_layer_offset_present_flag[64];
-    int8_t scaled_ref_layer_left_offset[64];
-    int8_t scaled_ref_layer_top_offset[64];
-    int8_t scaled_ref_layer_right_offset[64];
-    int8_t scaled_ref_layer_bottom_offset[64];
+    int16_t scaled_ref_layer_left_offset[64];
+    int16_t scaled_ref_layer_top_offset[64];
+    int16_t scaled_ref_layer_right_offset[64];
+    int16_t scaled_ref_layer_bottom_offset[64];
     uint8_t ref_region_offset_present_flag[64];
-    int8_t ref_region_left_offset[64];
-    int8_t ref_region_top_offset[64];
-    int8_t ref_region_right_offset[64];
-    int8_t ref_region_bottom_offset[64];
+    int16_t ref_region_left_offset[64];
+    int16_t ref_region_top_offset[64];
+    int16_t ref_region_right_offset[64];
+    int16_t ref_region_bottom_offset[64];
     uint8_t resample_phase_set_present_flag[64];
     uint16_t phase_hor_luma[64];
     uint16_t phase_ver_luma[64];
-- 
2.40.0



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