[x265] [PATCH] Support for VBV-End feature

[Yaswanth Sastry]

>From b9a23076ec4033f2ae7f03d7124b4add78f15502 Mon Sep 17 00:00:00 2001
From: Monica Nandakumar <monica at multicorewareinc.com>
Date: Thu, 3 Oct 2024 17:42:24 +0530
Subject: [PATCH] Support for VBV-End feature

---
 fftools/ffmpeg_enc.c | 2 ++
 libavcodec/avcodec.h | 1 +
 libavcodec/libx265.c | 2 ++
 3 files changed, 5 insertions(+)

diff --git a/fftools/ffmpeg_enc.c b/fftools/ffmpeg_enc.c
index a46af4dce1..080e44f2df 100644
--- a/fftools/ffmpeg_enc.c
+++ b/fftools/ffmpeg_enc.c
@@ -187,7 +187,9 @@ int enc_open(void *opaque, const AVFrame *frame)
     InputStream *ist = ost->ist;
     Encoder              *e = ost->enc;
     EncoderPriv         *ep = ep_from_enc(e);
+    AVFormatContext* ic = input_files[ost->file->index]->ctx;
     AVCodecContext *enc_ctx = e->enc_ctx;
+    enc_ctx->duration = (double)(ic->duration);
     Decoder            *dec = NULL;
     const AVCodec      *enc = enc_ctx->codec;
     OutputFile          *of = ost->file;
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 77ca8dee1f..e6ca5babee 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -2086,6 +2086,7 @@ typedef struct AVCodecContext {
      */
     AVFrameSideData  **decoded_side_data;
     int             nb_decoded_side_data;
+    double duration;
 } AVCodecContext;

 /**
diff --git a/libavcodec/libx265.c b/libavcodec/libx265.c
index 513f473307..4d0da86930 100644
--- a/libavcodec/libx265.c
+++ b/libavcodec/libx265.c
@@ -693,6 +693,7 @@ static int libx265_encode_frame(AVCodecContext *avctx,
AVPacket *pkt,
         }

         x265pic.pts      = pic->pts;
+        x265pic.poc      = pic->pts;
         x265pic.bitDepth =
av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth;

         x265pic.sliceType = pic->pict_type == AV_PICTURE_TYPE_I ?
@@ -786,6 +787,7 @@ static int libx265_encode_frame(AVCodecContext *avctx,
AVPacket *pkt,
         }

 #if X265_BUILD >= 167
+
ctx->api->configure_vbv_end(ctx->encoder,&x265pic,(avctx->duration/1000000));
         sd = av_frame_get_side_data(pic, AV_FRAME_DATA_DOVI_METADATA);
         if (ctx->dovi.cfg.dv_profile && sd) {
             const AVDOVIMetadata *metadata = (const AVDOVIMetadata
*)sd->data;
-- 
2.17.1
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