virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-04 22:03:09 +02:00
Code Issues Releases Activity

avcodec/vvc/sei: add decode_frame_field_info

Browse Source 
Signed-off-by: Wu Jianhua <toqsxw@outlook.com>
This commit is contained in:
Wu Jianhua
2025-04-27 19:44:47 +08:00
committed by Nuo Mi
parent 299544bd0c
commit 870fa133af
2 changed files with 27 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
libavcodec/vvc/sei.c
View File

@ -127,6 +127,27 @@ static int decode_content_light_level_info(H2645SEIContentLight *h, const SEIRaw
return 0;
}
static int decode_frame_field_info(H274SEIFrameFieldInfo *h, const SEIRawFrameFieldInformation *s)
{
if (s->ffi_source_scan_type > 3)
return AVERROR_INVALIDDATA;
h->present = 1;
if (s->ffi_field_pic_flag) {
if (s->ffi_bottom_field_flag)
h->picture_struct = AV_PICTURE_STRUCTURE_BOTTOM_FIELD;
else
h->picture_struct = AV_PICTURE_STRUCTURE_TOP_FIELD;
} else {
h->display_elemental_periods = s->ffi_display_elemental_periods_minus1 + 1;
}
h->source_scan_type = s->ffi_source_scan_type;
h->duplicate_flag = s->ffi_duplicate_flag;
return 0;
}
int ff_vvc_sei_decode(VVCSEI *s, const H266RawSEI *sei, const struct VVCFrameContext *fc)
{
H2645SEI *c = &s->common;
@ -155,6 +176,9 @@ int ff_vvc_sei_decode(VVCSEI *s, const H266RawSEI *sei, const struct VVCFrameCon
case SEI_TYPE_CONTENT_LIGHT_LEVEL_INFO:
return decode_content_light_level_info(&s->common.content_light, payload);
case SEI_TYPE_FRAME_FIELD_INFO:
return decode_frame_field_info(&s->frame_field_info, payload);
default:
av_log(fc->log_ctx, AV_LOG_DEBUG, "Skipped %s SEI %d\n",
sei->nal_unit_header.nal_unit_type == VVC_PREFIX_SEI_NUT ?
@ -169,6 +193,7 @@ int ff_vvc_sei_decode(VVCSEI *s, const H266RawSEI *sei, const struct VVCFrameCon
int ff_vvc_sei_replace(VVCSEI *dst, const VVCSEI *src)
{
dst->picture_hash.present = 0; // drop hash
dst->frame_field_info.present = 0; // drop field info
return ff_h2645_sei_ctx_replace(&dst->common, &src->common);
}
@ -176,4 +201,5 @@ void ff_vvc_sei_reset(VVCSEI *s)
{
ff_h2645_sei_reset(&s->common);
s->picture_hash.present = 0;
s->frame_field_info.present = 0;
}

1
libavcodec/vvc/sei.h
View File

@ -36,6 +36,7 @@
typedef struct VVCSEI {
H2645SEI common;
H274SEIPictureHash picture_hash;
H274SEIFrameFieldInfo frame_field_info;
} VVCSEI;
struct VVCFrameContext;