[FFmpeg-devel] [PATCH v1 4/4] lavc/hevcdec: respect the value of no_output_of_prior_pics_flag

Fei Wang fei.w.wang at intel.com
Tue Jun 7 10:08:30 EEST 2022


From: Xu Guangxin <guangxin.xu at intel.com>

Even resolution or number of picture stores changes, we still need
follow no_output_of_prior_pics_flag in next IDR.

Tested-by: Fei Wang <fei.w.wang at intel.com>
Signed-off-by: Xu Guangxin <guangxin.xu at intel.com>
---
 libavcodec/hevcdec.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/libavcodec/hevcdec.c b/libavcodec/hevcdec.c
index 99785aa5d1..b0317339a2 100644
--- a/libavcodec/hevcdec.c
+++ b/libavcodec/hevcdec.c
@@ -594,15 +594,8 @@ static int hls_slice_header(HEVCContext *s)
 
     if (s->ps.sps != (HEVCSPS*)s->ps.sps_list[s->ps.pps->sps_id]->data) {
         const HEVCSPS *sps = (HEVCSPS*)s->ps.sps_list[s->ps.pps->sps_id]->data;
-        const HEVCSPS *last_sps = s->ps.sps;
         enum AVPixelFormat pix_fmt;
 
-        if (last_sps && IS_IRAP(s) && s->nal_unit_type != HEVC_NAL_CRA_NUT) {
-            if (sps->width != last_sps->width || sps->height != last_sps->height ||
-                sps->temporal_layer[sps->max_sub_layers - 1].max_dec_pic_buffering !=
-                last_sps->temporal_layer[last_sps->max_sub_layers - 1].max_dec_pic_buffering)
-                sh->no_output_of_prior_pics_flag = 0;
-        }
         ff_hevc_clear_refs(s);
 
         ret = set_sps(s, sps, sps->pix_fmt);
-- 
2.25.1



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