[FFmpeg-devel] [PATCH v2 12/20] avcodec/cbs_sei_syntax_template: add sei message sei_display_orientation

[toqsxw@gmail.com]

From: Wu Jianhua <toqsxw@outlook.com>

Signed-off-by: Wu Jianhua <toqsxw@outlook.com>
---
 libavcodec/cbs_h2645.c               |  6 ++++++
 libavcodec/cbs_sei.h                 |  7 +++++++
 libavcodec/cbs_sei_syntax_template.c | 18 ++++++++++++++++++
 3 files changed, 31 insertions(+)

diff --git a/libavcodec/cbs_h2645.c b/libavcodec/cbs_h2645.c
index d130c037ed..60457d6b39 100644
--- a/libavcodec/cbs_h2645.c
+++ b/libavcodec/cbs_h2645.c
@@ -2317,6 +2317,12 @@ static const SEIMessageTypeDescriptor cbs_sei_h274_types[] = {
         sizeof(SEIRawFilmGrainCharacteristics),
         SEI_MESSAGE_RW(sei, film_grain_characteristics),
     },
+    {
+        SEI_TYPE_DISPLAY_ORIENTATION,
+        1, 0,
+        sizeof(SEIRawDisplayOrientation),
+        SEI_MESSAGE_RW(sei, display_orientation)
+    },
     SEI_MESSAGE_TYPE_END,
 };
 
diff --git a/libavcodec/cbs_sei.h b/libavcodec/cbs_sei.h
index a0fb004ecd..7be12e33e0 100644
--- a/libavcodec/cbs_sei.h
+++ b/libavcodec/cbs_sei.h
@@ -118,6 +118,13 @@ typedef struct SEIRawFilmGrainCharacteristics {
     uint8_t      fg_characteristics_persistence_flag;
 } SEIRawFilmGrainCharacteristics;
 
+typedef struct SEIRawDisplayOrientation {
+    uint8_t      display_orientation_cancel_flag;
+    uint8_t      display_orientation_persistence_flag;
+    uint8_t      display_orientation_transform_type;
+    uint8_t      display_orientation_reserved_zero_3bits;
+} SEIRawDisplayOrientation;
+
 typedef struct SEIRawMessage {
     uint32_t     payload_type;
     uint32_t     payload_size;
diff --git a/libavcodec/cbs_sei_syntax_template.c b/libavcodec/cbs_sei_syntax_template.c
index b105299cd9..fb19f6ee42 100644
--- a/libavcodec/cbs_sei_syntax_template.c
+++ b/libavcodec/cbs_sei_syntax_template.c
@@ -277,6 +277,24 @@ SEI_FUNC(film_grain_characteristics,
     return 0;
 }
 
+SEI_FUNC(display_orientation, (CodedBitstreamContext *ctx, RWContext *rw,
+                               SEIRawDisplayOrientation *current,
+                               SEIMessageState *state))
+{
+    int err;
+
+    HEADER("Display Orientation");
+
+    flag(display_orientation_cancel_flag);
+    if (!current->display_orientation_cancel_flag) {
+        flag(display_orientation_persistence_flag);
+        u(3, display_orientation_transform_type, 0, 7);
+        ub(3, display_orientation_reserved_zero_3bits);
+    }
+
+    return 0;
+}
+
 static int FUNC(message)(CodedBitstreamContext *ctx, RWContext *rw,
                          SEIRawMessage *current)
 {
-- 
2.44.0.windows.1

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