[vlc-commits] Added decoder_t::i_extra_picture_buffers field.

[Laurent Aimar]

vlc | branch: master | Laurent Aimar <fenrir at videolan.org> | Tue Jan 10 22:45:46 2012 +0100| [74e141c59fa8013c6088be652ec67701502e1db6] | committer: Laurent Aimar

Added decoder_t::i_extra_picture_buffers field.

It will allow to specify the number of needed extra picture buffers due
to decoder latency.

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=74e141c59fa8013c6088be652ec67701502e1db6
---

 include/vlc_codec.h |    6 ++++++
 src/input/decoder.c |    4 +++-
 2 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/include/vlc_codec.h b/include/vlc_codec.h
index 0237aa4..beac8fd 100644
--- a/include/vlc_codec.h
+++ b/include/vlc_codec.h
@@ -102,6 +102,12 @@ struct decoder_t
     void            (*pf_picture_link)   ( decoder_t *, picture_t * );
     void            (*pf_picture_unlink) ( decoder_t *, picture_t * );
 
+    /**
+     * Number of extra (ie in addition to the DPB) picture buffers
+     * needed for decoding.
+     */
+    int             i_extra_picture_buffers;
+
     /* Audio output callbacks
      * XXX use decoder_NewAudioBuffer/decoder_DeleteAudioBuffer */
     aout_buffer_t  *(*pf_aout_buffer_new)( decoder_t *, int );
diff --git a/src/input/decoder.c b/src/input/decoder.c
index 891645f..6b6d7f3 100644
--- a/src/input/decoder.c
+++ b/src/input/decoder.c
@@ -2413,7 +2413,9 @@ static picture_t *vout_new_buffer( decoder_t *p_dec )
         }
         p_vout = input_resource_RequestVout( p_owner->p_resource,
                                              p_vout, &fmt,
-                                             dpb_size + 1 + DECODER_MAX_BUFFERING_COUNT,
+                                             dpb_size +
+                                             p_dec->i_extra_picture_buffers +
+                                             1 + DECODER_MAX_BUFFERING_COUNT,
                                              true );
         vlc_mutex_lock( &p_owner->lock );
         p_owner->p_vout = p_vout;