From 222d7055e2dd20eb1381c257d34a50ec4c8dadb0 Mon Sep 17 00:00:00 2001
From: James Almer <jamrial@gmail.com>
Date: Sat, 20 Jan 2018 00:57:18 -0300
Subject: avcodec/hevc_parser: use ff_hevc_decode_extradata() to parse
 extradata

Signed-off-by: James Almer <jamrial@gmail.com>
---
 libavcodec/hevc_parser.c | 21 +++++++++------------
 1 file changed, 9 insertions(+), 12 deletions(-)

(limited to 'libavcodec/hevc_parser.c')

diff --git a/libavcodec/hevc_parser.c b/libavcodec/hevc_parser.c
index 88d3d9a22f..a468682ed3 100644
--- a/libavcodec/hevc_parser.c
+++ b/libavcodec/hevc_parser.c
@@ -24,6 +24,7 @@
 
 #include "golomb.h"
 #include "hevc.h"
+#include "hevc_parse.h"
 #include "hevc_ps.h"
 #include "hevc_sei.h"
 #include "h2645_parse.h"
@@ -43,6 +44,8 @@ typedef struct HEVCParserContext {
     HEVCSEI sei;
     SliceHeader sh;
 
+    int is_avc;
+    int nal_length_size;
     int parsed_extradata;
 
     int poc;
@@ -181,7 +184,6 @@ static int parse_nal_units(AVCodecParserContext *s, const uint8_t *buf,
     HEVCParserContext *ctx = s->priv_data;
     HEVCParamSets *ps = &ctx->ps;
     HEVCSEI *sei = &ctx->sei;
-    int is_global = buf == avctx->extradata;
     int ret, i;
 
     /* set some sane default values */
@@ -191,8 +193,8 @@ static int parse_nal_units(AVCodecParserContext *s, const uint8_t *buf,
 
     ff_hevc_reset_sei(sei);
 
-    ret = ff_h2645_packet_split(&ctx->pkt, buf, buf_size, avctx, 0, 0,
-                                AV_CODEC_ID_HEVC, 1);
+    ret = ff_h2645_packet_split(&ctx->pkt, buf, buf_size, avctx, ctx->is_avc,
+                                ctx->nal_length_size, AV_CODEC_ID_HEVC, 1);
     if (ret < 0)
         return ret;
 
@@ -230,12 +232,6 @@ static int parse_nal_units(AVCodecParserContext *s, const uint8_t *buf,
         case HEVC_NAL_RADL_R:
         case HEVC_NAL_RASL_N:
         case HEVC_NAL_RASL_R:
-
-            if (is_global) {
-                av_log(avctx, AV_LOG_ERROR, "Invalid NAL unit: %d\n", nal->type);
-                return AVERROR_INVALIDDATA;
-            }
-
             ret = hevc_parse_slice_header(s, nal, avctx);
             if (ret)
                 return ret;
@@ -243,8 +239,7 @@ static int parse_nal_units(AVCodecParserContext *s, const uint8_t *buf,
         }
     }
     /* didn't find a picture! */
-    if (!is_global)
-        av_log(avctx, AV_LOG_ERROR, "missing picture in access unit\n");
+    av_log(avctx, AV_LOG_ERROR, "missing picture in access unit\n");
     return -1;
 }
 
@@ -301,7 +296,9 @@ static int hevc_parse(AVCodecParserContext *s, AVCodecContext *avctx,
     ParseContext *pc = &ctx->pc;
 
     if (avctx->extradata && !ctx->parsed_extradata) {
-        parse_nal_units(s, avctx->extradata, avctx->extradata_size, avctx);
+        ff_hevc_decode_extradata(avctx->extradata, avctx->extradata_size, &ctx->ps, &ctx->sei,
+                                 &ctx->is_avc, &ctx->nal_length_size, avctx->err_recognition,
+                                 1, avctx);
         ctx->parsed_extradata = 1;
     }
 
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