[FFmpeg-cvslog] mpeg4: only show the divx_packed warning, when a packed frame is present

[Andreas Cadhalpun]

ffmpeg | branch: master | Andreas Cadhalpun <andreas.cadhalpun at googlemail.com> | Fri Apr  3 19:14:31 2015 +0200| [1f47c2399da2e814228f2526b09f8ab94acc7989] | committer: Michael Niedermayer

mpeg4: only show the divx_packed warning, when a packed frame is present

Otherwise it is shown even after the file was fixed with avidemux,
because the userdata string still ends with 'p'.

Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1f47c2399da2e814228f2526b09f8ab94acc7989
---

 libavcodec/mpeg4videodec.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c
index 4769dfd..80dfb91 100644
--- a/libavcodec/mpeg4videodec.c
+++ b/libavcodec/mpeg4videodec.c
@@ -2077,12 +2077,6 @@ static int decode_user_data(Mpeg4DecContext *ctx, GetBitContext *gb)
         ctx->divx_version = ver;
         ctx->divx_build   = build;
         s->divx_packed  = e == 3 && last == 'p';
-        if (s->divx_packed && !ctx->showed_packed_warning) {
-            av_log(s->avctx, AV_LOG_INFO, "Video uses a non-standard and "
-                   "wasteful way to store B-frames ('packed B-frames'). "
-                   "Consider using a tool like VirtualDub or avidemux to fix it.\n");
-            ctx->showed_packed_warning = 1;
-        }
     }
 
     /* libavcodec detection */
@@ -2667,6 +2661,12 @@ int ff_mpeg4_frame_end(AVCodecContext *avctx, const uint8_t *buf, int buf_size)
         }
 
         if (startcode_found) {
+            if (!ctx->showed_packed_warning) {
+                av_log(s->avctx, AV_LOG_INFO, "Video uses a non-standard and "
+                       "wasteful way to store B-frames ('packed B-frames'). "
+                       "Consider using a tool like VirtualDub or avidemux to fix it.\n");
+                ctx->showed_packed_warning = 1;
+            }
             av_fast_padded_malloc(&s->bitstream_buffer,
                            &s->allocated_bitstream_buffer_size,
                            buf_size - current_pos);