[FFmpeg-devel] [PATCH v2] avformat/options: don't call avformat_free_context() within avformat_alloc_context()

James Almer jamrial at gmail.com
Sat Oct 19 20:18:05 EEST 2019


avformat_free_context() expects AVFormatContext->internal to not be NULL.

Signed-off-by: James Almer <jamrial at gmail.com>
---
 libavformat/options.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/libavformat/options.c b/libavformat/options.c
index c188c23506..756f4d53c5 100644
--- a/libavformat/options.c
+++ b/libavformat/options.c
@@ -144,15 +144,17 @@ static void avformat_get_context_defaults(AVFormatContext *s)
 AVFormatContext *avformat_alloc_context(void)
 {
     AVFormatContext *ic;
+    AVFormatInternal *internal;
     ic = av_malloc(sizeof(AVFormatContext));
     if (!ic) return ic;
-    avformat_get_context_defaults(ic);
 
-    ic->internal = av_mallocz(sizeof(*ic->internal));
-    if (!ic->internal) {
-        avformat_free_context(ic);
+    internal = av_mallocz(sizeof(AVFormatInternal));
+    if (!internal) {
+        av_free(ic);
         return NULL;
     }
+    avformat_get_context_defaults(ic);
+    ic->internal = internal;
     ic->internal->offset = AV_NOPTS_VALUE;
     ic->internal->raw_packet_buffer_remaining_size = RAW_PACKET_BUFFER_SIZE;
     ic->internal->shortest_end = AV_NOPTS_VALUE;
-- 
2.23.0



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