[vlc-commits] decoder: move the display creation in a separate function

[Steve Lhomme]

vlc | branch: master | Steve Lhomme <robux4 at ycbcr.xyz> | Mon Sep 23 16:27:55 2019 +0200| [de6537fcd460e883deb03f6f0bf568db5556eb2d] | committer: Steve Lhomme

decoder: move the display creation in a separate function

To create the vout and decoder device we don't need to know the DPB.

For now the display still holds the picture pool so the display still needs the
DBP size.

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=de6537fcd460e883deb03f6f0bf568db5556eb2d
---

 src/input/decoder.c | 71 +++++++++++++++++++++++++++++++----------------------
 1 file changed, 41 insertions(+), 30 deletions(-)

diff --git a/src/input/decoder.c b/src/input/decoder.c
index f96cdf9095..d191da2a74 100644
--- a/src/input/decoder.c
+++ b/src/input/decoder.c
@@ -458,6 +458,45 @@ static void FixDisplayFormat(decoder_t *p_dec, video_format_t *fmt)
     video_format_AdjustColorSpace( fmt );
 }
 
+static int CreateDisplay(struct decoder_owner *p_owner, vlc_decoder_device *dec_dev, vout_thread_t *p_vout)
+{
+    if (!p_vout)
+        return -1;
+
+    decoder_t *p_dec = &p_owner->dec;
+
+    video_format_t fmt;
+    FixDisplayFormat( p_dec, &fmt );
+
+    unsigned dpb_size;
+    switch( p_dec->fmt_in.i_codec )
+    {
+    case VLC_CODEC_HEVC:
+    case VLC_CODEC_H264:
+    case VLC_CODEC_DIRAC: /* FIXME valid ? */
+        dpb_size = 18;
+        break;
+    case VLC_CODEC_AV1:
+        dpb_size = 10;
+        break;
+    case VLC_CODEC_VP5:
+    case VLC_CODEC_VP6:
+    case VLC_CODEC_VP6F:
+    case VLC_CODEC_VP8:
+        dpb_size = 3;
+        break;
+    default:
+        dpb_size = 2;
+        break;
+    }
+    vout_configuration_t cfg = {
+        .vout = p_vout, .clock = p_owner->p_clock, .fmt = &fmt,
+        .dpb_size = dpb_size + p_dec->i_extra_picture_buffers + 1,
+        .mouse_event = MouseEvent, .mouse_opaque = p_dec,
+    };
+    return input_resource_StartVout( p_owner->p_resource, dec_dev, &cfg);
+}
+
 static int CreateVoutIfNeeded(struct decoder_owner *p_owner)
 {
     decoder_t *p_dec = &p_owner->dec;
@@ -533,36 +572,8 @@ static int CreateVoutIfNeeded(struct decoder_owner *p_owner)
     vlc_decoder_device *dec_dev = NULL;
     p_vout = input_resource_GetVoutDecoderDevice( p_owner->p_resource,
                                     &cfg, &order, &dec_dev );
-    if (p_vout)
-    {
-        unsigned dpb_size;
-        switch( p_dec->fmt_in.i_codec )
-        {
-        case VLC_CODEC_HEVC:
-        case VLC_CODEC_H264:
-        case VLC_CODEC_DIRAC: /* FIXME valid ? */
-            dpb_size = 18;
-            break;
-        case VLC_CODEC_AV1:
-            dpb_size = 10;
-            break;
-        case VLC_CODEC_VP5:
-        case VLC_CODEC_VP6:
-        case VLC_CODEC_VP6F:
-        case VLC_CODEC_VP8:
-            dpb_size = 3;
-            break;
-        default:
-            dpb_size = 2;
-            break;
-        }
-        cfg.dpb_size = dpb_size + p_dec->i_extra_picture_buffers + 1;
-        cfg.vout = p_vout;
-        if (input_resource_StartVout( p_owner->p_resource, dec_dev, &cfg) != 0)
-        {
-            p_vout = NULL;
-        }
-    }
+    if (CreateDisplay( p_owner, dec_dev, p_vout ) != 0)
+        p_vout = NULL;
     if (p_vout)
         decoder_Notify(p_owner, on_vout_added, p_vout, order);