X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fcbs_h264.h;h=9f7c2a0d308e8d08805a5955b11a9f4fe6603115;hb=9f6a06d9271a11781717fd0b134db2bcd716508e;hp=92277e475061798cb561ca6ac0cd4403b34e0c18;hpb=de33b3e457a656230fc6d544a1889218d77a5b3c;p=ffmpeg

diff --git a/libavcodec/cbs_h264.h b/libavcodec/cbs_h264.h
index 92277e47506..9f7c2a0d308 100644
--- a/libavcodec/cbs_h264.h
+++ b/libavcodec/cbs_h264.h
@@ -38,7 +38,6 @@ enum {
 
 
 typedef struct H264RawNALUnitHeader {
-    uint8_t forbidden_zero_bit;
     uint8_t nal_ref_idc;
     uint8_t nal_unit_type;
 
@@ -253,7 +252,7 @@ typedef struct H264RawSEIPicTimestamp {
     uint8_t minutes_value;
     uint8_t hours_flag;
     uint8_t hours_value;
-    uint32_t time_offset;
+    int32_t time_offset;
 } H264RawSEIPicTimestamp;
 
 typedef struct H264RawSEIPicTiming {
@@ -315,6 +314,10 @@ typedef struct H264RawSEIMasteringDisplayColourVolume {
     uint32_t min_display_mastering_luminance;
 } H264RawSEIMasteringDisplayColourVolume;
 
+typedef struct H264RawSEIAlternativeTransferCharacteristics {
+    uint8_t preferred_transfer_characteristics;
+} H264RawSEIAlternativeTransferCharacteristics;
+
 typedef struct H264RawSEIPayload {
     uint32_t payload_type;
     uint32_t payload_size;
@@ -328,6 +331,8 @@ typedef struct H264RawSEIPayload {
         H264RawSEIRecoveryPoint recovery_point;
         H264RawSEIDisplayOrientation display_orientation;
         H264RawSEIMasteringDisplayColourVolume mastering_display_colour_volume;
+        H264RawSEIAlternativeTransferCharacteristics
+            alternative_transfer_characteristics;
         struct {
             uint8_t *data;
             size_t data_length;
@@ -463,20 +468,26 @@ typedef struct CodedBitstreamH264Context {
 
 /**
  * Add an SEI message to an access unit.
+ *
+ * On success, the payload will be owned by a unit in access_unit;
+ * on failure, the content of the payload will be freed.
  */
 int ff_cbs_h264_add_sei_message(CodedBitstreamContext *ctx,
                                 CodedBitstreamFragment *access_unit,
-                                const H264RawSEIPayload *payload);
+                                H264RawSEIPayload *payload);
 
 /**
  * Delete an SEI message from an access unit.
  *
  * Deletes from nal_unit, which must be an SEI NAL unit.  If this is the
  * last message in nal_unit, also deletes it from access_unit.
+ *
+ * Requires nal_unit to be a unit in access_unit and position to be >= 0
+ * and < the payload count of the SEI nal_unit.
  */
-int ff_cbs_h264_delete_sei_message(CodedBitstreamContext *ctx,
-                                   CodedBitstreamFragment *access_unit,
-                                   CodedBitstreamUnit *nal_unit,
-                                   int position);
+void ff_cbs_h264_delete_sei_message(CodedBitstreamContext *ctx,
+                                    CodedBitstreamFragment *access_unit,
+                                    CodedBitstreamUnit *nal_unit,
+                                    int position);
 
 #endif /* AVCODEC_CBS_H264_H */