Attachment 79231 Details for Bug 64388 – h264-fix-modification-process-of-reference-picture-list-error

[patch] h264-fix-modification-process-of-reference-picture-list-error

0001-h264-fix-modification-process-of-reference-picture-list-error.patch (text/plain), 1.30 KB, created by Zhong Cong on 2013-05-13 08:14:44 UTC

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Creator: Zhong Cong

Created: 2013-05-13 08:14:44 UTC

Size: 1.30 KB

patch

obsolete

>From aba5ea7f5f10a55ad9d1f4eb09c364e3fe07fb02 Mon Sep 17 00:00:00 2001
>From: zhongcong <congx.zhong@intel.com>
>Date: Tue, 14 May 2013 16:43:18 +0800
>Subject: [PATCH] h264: fix modification process of reference picture list
> error
>
>---
> gst-libs/gst/vaapi/gstvaapidecoder_h264.c |    6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
>diff --git a/gst-libs/gst/vaapi/gstvaapidecoder_h264.c b/gst-libs/gst/vaapi/gstvaapidecoder_h264.c
>index d2cfb17..f3eb62a 100755
>--- a/gst-libs/gst/vaapi/gstvaapidecoder_h264.c
>+++ b/gst-libs/gst/vaapi/gstvaapidecoder_h264.c
>@@ -2334,8 +2334,6 @@ exec_picture_refs_modification_1(
>         num_refs                       = slice_hdr->num_ref_idx_l1_active_minus1 + 1;
>     }
>     ref_list_count = *ref_list_count_ptr;
>-    if (num_refs > ref_list_count)
>-        num_refs = ref_list_count;
> 
>     if (!GST_VAAPI_PICTURE_IS_FRAME(picture)) {
>         MaxPicNum  = 1 << (sps->log2_max_frame_num_minus4 + 5); // 2 * MaxFrameNum
>@@ -2479,7 +2477,9 @@ exec_picture_refs_modification_1(
>         if (!ref_list[i])
>             GST_ERROR("list %u entry %u is empty", list, i);
> #endif
>-    *ref_list_count_ptr = num_refs;
>+
>+    for(i = num_refs; i > 0 && !ref_list[i - 1]; i--);
>+    *ref_list_count_ptr = i ;
> }
> 
> /* 8.2.4.3 - Modification process for reference picture lists */
>-- 
>1.7.9.5
>

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