[libav-devel] [PATCH 2/2] hevc: export stream parameters from extradata

[Anton Khirnov]

This allows the callers to have a hint of the probable stream parameters
without actually decoding anything.
---
 libavcodec/hevc.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/libavcodec/hevc.c b/libavcodec/hevc.c
index 0256fe6..f0253ea 100644
--- a/libavcodec/hevc.c
+++ b/libavcodec/hevc.c
@@ -3139,7 +3139,7 @@ static int hevc_decode_extradata(HEVCContext *s)
 {
     AVCodecContext *avctx = s->avctx;
     GetByteContext gb;
-    int ret;
+    int ret, i;
 
     bytestream2_init(&gb, avctx->extradata, avctx->extradata_size);
 
@@ -3196,6 +3196,16 @@ static int hevc_decode_extradata(HEVCContext *s)
         if (ret < 0)
             return ret;
     }
+
+    /* export stream parameters from the first SPS */
+    for (i = 0; i < FF_ARRAY_ELEMS(s->sps_list); i++) {
+        if (s->sps_list[i]) {
+            const HEVCSPS *sps = (const HEVCSPS*)s->sps_list[i]->data;
+            export_stream_params(s->avctx, s, sps);
+            break;
+        }
+    }
+
     return 0;
 }
 
-- 
2.0.0

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