[FFmpeg-devel] [PATCH] avformat/tls_mbedtls: Pass FLAG_NONBLOCK to underlying transport

[Zhao Zhili <quinkblack@foxmail.com>]

From: Zhao Zhili <zhilizhao@tencent.com>

This fix rtmps failure since rtmps requires nonblocking read.

Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
---
 libavformat/tls_mbedtls.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavformat/tls_mbedtls.c b/libavformat/tls_mbedtls.c
index 8503523b6d..f51cf43b1c 100644
--- a/libavformat/tls_mbedtls.c
+++ b/libavformat/tls_mbedtls.c
@@ -309,6 +309,8 @@ static int tls_read(URLContext *h, uint8_t *buf, int size)
     TLSContext *tls_ctx = h->priv_data;
     int ret;
 
+    tls_ctx->tls_shared.tcp->flags &= ~AVIO_FLAG_NONBLOCK;
+    tls_ctx->tls_shared.tcp->flags |= h->flags & AVIO_FLAG_NONBLOCK;
     if ((ret = mbedtls_ssl_read(&tls_ctx->ssl_context, buf, size)) > 0) {
         // return read length
         return ret;
@@ -322,6 +324,8 @@ static int tls_write(URLContext *h, const uint8_t *buf, int size)
     TLSContext *tls_ctx = h->priv_data;
     int ret;
 
+    tls_ctx->tls_shared.tcp->flags &= ~AVIO_FLAG_NONBLOCK;
+    tls_ctx->tls_shared.tcp->flags |= h->flags & AVIO_FLAG_NONBLOCK;
     if ((ret = mbedtls_ssl_write(&tls_ctx->ssl_context, buf, size)) > 0) {
         // return written length
         return ret;
-- 
2.25.1

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