avformat: Forward errors where possible

It is not uncommon to find code where the caller thinks to know better
what the return value should be than the callee. E.g. something like
"if (av_new_packet(pkt, size) < 0) return AVERROR(ENOMEM);". This commit
changes several instances of this to instead forward the actual error.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

1 files changed, 9 insertions, 9 deletions

diff --git a/libavformat/asfenc.c b/libavformat/asfenc.c
index 9f54173bf9..44e11fc763 100644
--- a/libavformat/asfenc.c
+++ b/libavformat/asfenc.c
@@ -357,12 +357,12 @@ static int asf_write_markers(AVFormatContext *s)
         int64_t pres_time = av_rescale_q(c->start, c->time_base, scale);
         uint64_t offset;
         int32_t send_time = get_send_time(asf, pres_time, &offset);
-        int len = 0;
+        int len = 0, ret;
         uint8_t *buf;
         AVIOContext *dyn_buf;
         if (t) {
-            if (avio_open_dyn_buf(&dyn_buf) < 0)
-                return AVERROR(ENOMEM);
+            if ((ret = avio_open_dyn_buf(&dyn_buf)) < 0)
+                return ret;
             avio_put_str16le(dyn_buf, t->value);
             len = avio_close_dyn_buf(dyn_buf, &buf);
         }
@@ -579,12 +579,12 @@ static int asf_write_header1(AVFormatContext *s, int64_t file_size,
 
     /* title and other info */
     if (has_title) {
-        int len;
+        int len, ret;
         uint8_t *buf;
         AVIOContext *dyn_buf;
 
-        if (avio_open_dyn_buf(&dyn_buf) < 0)
-            return AVERROR(ENOMEM);
+        if ((ret = avio_open_dyn_buf(&dyn_buf)) < 0)
+            return ret;
 
         hpos = put_header(pb, &ff_asf_comment_header);
 
@@ -714,10 +714,10 @@ static int asf_write_header1(AVFormatContext *s, int64_t file_size,
         if (desc) {
             AVIOContext *dyn_buf;
             uint8_t *buf;
-            int len;
+            int len, ret;
 
-            if (avio_open_dyn_buf(&dyn_buf) < 0)
-                return AVERROR(ENOMEM);
+            if ((ret = avio_open_dyn_buf(&dyn_buf)) < 0)
+                return ret;
 
             avio_put_str16le(dyn_buf, desc);
             len = avio_close_dyn_buf(dyn_buf, &buf);