[FFmpeg-cvslog] lavf/dashdec: drop unnecessary check before ff_format_io_close

[Jun Zhao]

ffmpeg | branch: master | Jun Zhao <barryjzhao at tencent.com> | Tue Sep 24 00:30:17 2019 +0800| [e7000389905f1ac2858ea2804d621e72f753a7eb] | committer: Jun Zhao

lavf/dashdec: drop unnecessary check before ff_format_io_close

ff_format_io_close will check the AVIOContext pointer pb, so drop
the unnecessary check before ff_format_io_close.

Signed-off-by: Jun Zhao <barryjzhao at tencent.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e7000389905f1ac2858ea2804d621e72f753a7eb
---

 libavformat/dashdec.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/libavformat/dashdec.c b/libavformat/dashdec.c
index facee4e45a..d001c5b76d 100644
--- a/libavformat/dashdec.c
+++ b/libavformat/dashdec.c
@@ -363,8 +363,7 @@ static void free_representation(struct representation *pls)
     free_fragment(&pls->init_section);
     av_freep(&pls->init_sec_buf);
     av_freep(&pls->pb.buffer);
-    if (pls->input)
-        ff_format_io_close(pls->parent, &pls->input);
+    ff_format_io_close(pls->parent, &pls->input);
     if (pls->ctx) {
         pls->ctx->pb = NULL;
         avformat_close_input(&pls->ctx);
@@ -2183,8 +2182,7 @@ static void recheck_discard_flags(AVFormatContext *s, struct representation **p,
             av_log(s, AV_LOG_INFO, "Now receiving stream_index %d\n", pls->stream_index);
         } else if (!needed && pls->ctx) {
             close_demux_for_component(pls);
-            if (pls->input)
-                ff_format_io_close(pls->parent, &pls->input);
+            ff_format_io_close(pls->parent, &pls->input);
             av_log(s, AV_LOG_INFO, "No longer receiving stream_index %d\n", pls->stream_index);
         }
     }
@@ -2245,8 +2243,7 @@ static int dash_read_packet(AVFormatContext *s, AVPacket *pkt)
         if (cur->is_restart_needed) {
             cur->cur_seg_offset = 0;
             cur->init_sec_buf_read_offset = 0;
-            if (cur->input)
-                ff_format_io_close(cur->parent, &cur->input);
+            ff_format_io_close(cur->parent, &cur->input);
             ret = reopen_demux_for_component(s, cur);
             cur->is_restart_needed = 0;
         }
@@ -2284,8 +2281,7 @@ static int dash_seek(AVFormatContext *s, struct representation *pls, int64_t see
         return av_seek_frame(pls->ctx, -1, seek_pos_msec * 1000, flags);
     }
 
-    if (pls->input)
-        ff_format_io_close(pls->parent, &pls->input);
+    ff_format_io_close(pls->parent, &pls->input);
 
     // find the nearest fragment
     if (pls->n_timelines > 0 && pls->fragment_timescale > 0) {