From eed0d8c57fb0c0a7917a820dfc009baf81f223c0 Mon Sep 17 00:00:00 2001
From: Mike Melanson <mike@multimedia.cx>
Date: Fri, 6 May 2005 18:00:54 +0000
Subject: minor H.264 fix

CVS patchset: 7526
CVS date: 2005/05/06 18:00:54
---
 src/libffmpeg/libavcodec/h264.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/libffmpeg/libavcodec/h264.c b/src/libffmpeg/libavcodec/h264.c
index 9048886bd..0cd04f923 100644
--- a/src/libffmpeg/libavcodec/h264.c
+++ b/src/libffmpeg/libavcodec/h264.c
@@ -3697,6 +3697,11 @@ static int init_poc(H264Context *h){
     if(h->sps.poc_type==0){
         const int max_poc_lsb= 1<<h->sps.log2_max_poc_lsb;
 
+        if(h->nal_unit_type == NAL_IDR_SLICE){
+             h->prev_poc_msb=
+             h->prev_poc_lsb= 0;
+        }
+
         if     (h->poc_lsb < h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb >= max_poc_lsb/2)
             h->poc_msb = h->prev_poc_msb + max_poc_lsb;
         else if(h->poc_lsb > h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb < -max_poc_lsb/2)
@@ -3847,7 +3852,7 @@ static int decode_slice_header(H264Context *h){
         if(!s->avctx->sample_aspect_ratio.den)
             s->avctx->sample_aspect_ratio.den = 1;
 
-        if(h->sps.timing_info_present_flag && h->sps.fixed_frame_rate_flag){
+        if(h->sps.timing_info_present_flag){
             s->avctx->time_base= (AVRational){h->sps.num_units_in_tick, h->sps.time_scale};
         }
     }
@@ -6946,7 +6951,7 @@ static int decode_frame(AVCodecContext *avctx,
             cur->reference = 1;
 
         for(i=0; h->delayed_pic[i]; i++)
-            if(h->delayed_pic[i]->key_frame)
+            if(h->delayed_pic[i]->key_frame || h->delayed_pic[i]->poc==0)
                 cross_idr = 1;
 
         out = h->delayed_pic[0];
-- 
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