X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fh264_mp4toannexb_bsf.c;h=5085ecbdfd7afd012d02fe9e594ee8557879c651;hb=bd36ec55bef7c446079e192655d065fd86483876;hp=e85bdb671225d8b5cfe70ebc31f93906d2abc0ad;hpb=7876f14f8be9d78de1875ff38390d2a37ac86ec3;p=ffmpeg

diff --git a/libavcodec/h264_mp4toannexb_bsf.c b/libavcodec/h264_mp4toannexb_bsf.c
index e85bdb67122..5085ecbdfd7 100644
--- a/libavcodec/h264_mp4toannexb_bsf.c
+++ b/libavcodec/h264_mp4toannexb_bsf.c
@@ -63,6 +63,7 @@ static int h264_mp4toannexb_filter(AVBitStreamFilterContext *bsfc,
     int32_t nal_size;
     uint32_t cumul_size = 0;
     const uint8_t *buf_end = buf + buf_size;
+    int ret = AVERROR(EINVAL);
 
     /* nothing to filter */
     if (!avctx->extradata || avctx->extradata_size < 6) {
@@ -137,6 +138,7 @@ pps:
     *poutbuf_size = 0;
     *poutbuf = NULL;
     do {
+        ret= AVERROR(EINVAL);
         if (buf + ctx->length_size > buf_end)
             goto fail;
 
@@ -155,15 +157,15 @@ pps:
 
         /* prepend only to the first type 5 NAL unit of an IDR picture */
         if (ctx->first_idr && unit_type == 5) {
-            if (alloc_and_copy(poutbuf, poutbuf_size,
+            if ((ret=alloc_and_copy(poutbuf, poutbuf_size,
                                avctx->extradata, avctx->extradata_size,
-                               buf, nal_size) < 0)
+                               buf, nal_size)) < 0)
                 goto fail;
             ctx->first_idr = 0;
         } else {
-            if (alloc_and_copy(poutbuf, poutbuf_size,
+            if ((ret=alloc_and_copy(poutbuf, poutbuf_size,
                                NULL, 0,
-                               buf, nal_size) < 0)
+                               buf, nal_size)) < 0)
                 goto fail;
             if (!ctx->first_idr && unit_type == 1)
                 ctx->first_idr = 1;
@@ -178,7 +180,7 @@ pps:
 fail:
     av_freep(poutbuf);
     *poutbuf_size = 0;
-    return AVERROR(EINVAL);
+    return ret;
 }
 
 AVBitStreamFilter ff_h264_mp4toannexb_bsf = {