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authorJames Almer <jamrial@gmail.com>2024-02-06 10:05:17 -0300
committerJames Almer <jamrial@gmail.com>2024-02-20 11:24:19 -0300
commit9ba327e70fb60c26f2c55c85cfee7fbcbb7ef61e (patch)
treeb8dfd5fd7e1e517ca3e68536e6fcc0b411e63bfd /libavformat
parentce7b519ab7df16e02894fe6d0de3d2dd758aee02 (diff)
avformat/mov: make MOVStreamContext refcounted
This will be useful in the next commit. Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavformat')
-rw-r--r--libavformat/isom.h1
-rw-r--r--libavformat/mov.c7
2 files changed, 7 insertions, 1 deletions
diff --git a/libavformat/isom.h b/libavformat/isom.h
index a4cca4c798..eee94d0449 100644
--- a/libavformat/isom.h
+++ b/libavformat/isom.h
@@ -166,6 +166,7 @@ typedef struct MOVIndexRange {
typedef struct MOVStreamContext {
AVIOContext *pb;
+ int refcount;
int pb_is_copied;
int ffindex; ///< AVStream index
int next_chunk;
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 049f5e200d..6f6513e05d 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -212,6 +212,7 @@ static int mov_read_covr(MOVContext *c, AVIOContext *pb, int type, int len)
}
st = c->fc->streams[c->fc->nb_streams - 1];
st->priv_data = sc;
+ sc->refcount = 1;
if (st->attached_pic.size >= 8 && id != AV_CODEC_ID_BMP) {
if (AV_RB64(st->attached_pic.data) == 0x89504e470d0a1a0a) {
@@ -4622,6 +4623,7 @@ static int mov_read_trak(MOVContext *c, AVIOContext *pb, MOVAtom atom)
st->codecpar->codec_type = AVMEDIA_TYPE_DATA;
sc->ffindex = st->index;
c->trak_index = st->index;
+ sc->refcount = 1;
if ((ret = mov_read_default(c, pb, atom)) < 0)
return ret;
@@ -4909,6 +4911,7 @@ static int heif_add_stream(MOVContext *c, HEIFItem *item)
sc = st->priv_data;
sc->pb = c->fc->pb;
sc->pb_is_copied = 1;
+ sc->refcount = 1;
// Populate the necessary fields used by mov_build_index.
sc->stsc_count = 1;
@@ -8610,8 +8613,10 @@ static void mov_free_stream_context(AVFormatContext *s, AVStream *st)
{
MOVStreamContext *sc = st->priv_data;
- if (!sc)
+ if (!sc || --sc->refcount) {
+ st->priv_data = NULL;
return;
+ }
av_freep(&sc->ctts_data);
for (int i = 0; i < sc->drefs_count; i++) {