From 31af1a3ac21646c8f07b1b93e497d45a060ee36d Mon Sep 17 00:00:00 2001
From: Michael Sevakis <jethead71@rockbox.org>
Date: Sun, 19 Dec 2010 08:28:03 +0000
Subject: MPEGPlayer: Move some code that's probably better situated in the
 stream manager rather than the parser. Fix visibility checking in video out.
 Extra message sending for new stream isn't needed; just do full decoder
 sequence reset when requesting dimensions.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28855 a1c6a512-1295-4272-9138-f99709370657
---
 apps/plugins/mpegplayer/stream_mgr.c | 48 ++++++++++++++++++++++++++++++++----
 1 file changed, 43 insertions(+), 5 deletions(-)

(limited to 'apps/plugins/mpegplayer/stream_mgr.c')

diff --git a/apps/plugins/mpegplayer/stream_mgr.c b/apps/plugins/mpegplayer/stream_mgr.c
index b88c6d70c7..67ec16cbb6 100644
--- a/apps/plugins/mpegplayer/stream_mgr.c
+++ b/apps/plugins/mpegplayer/stream_mgr.c
@@ -668,13 +668,51 @@ void stream_clear_notify(struct stream *str, int for_msg)
     }
 }
 
+/* Special handling for certain messages since they involve multiple
+ * operations behind the scenes */
+static intptr_t send_video_msg(long id, intptr_t data)
+{
+    intptr_t retval = 0;
+
+    if (video_str.thread != 0 && disk_buf.in_file >= 0)
+    {
+
+        switch (id)
+        {
+        case VIDEO_DISPLAY_SHOW:
+            if (data != 0 && disk_buf_status() == STREAM_STOPPED)
+            {   /* Only prepare image if showing and not playing */
+                parser_prepare_image(str_parser.last_seek_time);
+            }
+            break;
+
+        case VIDEO_PRINT_FRAME:
+            if (data)
+                break;
+        case VIDEO_PRINT_THUMBNAIL:
+            if (disk_buf_status() != STREAM_STOPPED)
+                break; /* Prepare image if not playing */
+
+            if (!parser_prepare_image(str_parser.last_seek_time))
+                return false; /* Preparation failed */
+
+            /* Image ready - pass message to video thread */
+            break;
+        }
+
+        retval = str_send_msg(&video_str, id, data);
+    }
+
+    return retval;
+}
+
 /* Show/hide the video output */
 bool stream_show_vo(bool show)
 {
     bool vis;
     stream_mgr_lock();
 
-    vis = parser_send_video_msg(VIDEO_DISPLAY_SHOW, show);
+    vis = send_video_msg(VIDEO_DISPLAY_SHOW, show);
 #ifndef HAVE_LCD_COLOR
     grey_show(show);
 #endif
@@ -688,7 +726,7 @@ bool stream_vo_is_visible(void)
 {
     bool vis;
     stream_mgr_lock();
-    vis = parser_send_video_msg(VIDEO_DISPLAY_IS_VISIBLE, 0);
+    vis = send_video_msg(VIDEO_DISPLAY_IS_VISIBLE, 0);
     stream_mgr_unlock();
     return vis;
 }
@@ -721,7 +759,7 @@ void stream_vo_set_clip(const struct vo_rect *rc)
         rc = &stream_mgr.parms.rc;
     }
 
-    parser_send_video_msg(VIDEO_SET_CLIP_RECT, (intptr_t)rc);
+    send_video_msg(VIDEO_SET_CLIP_RECT, (intptr_t)rc);
 
     stream_mgr_unlock();
 }
@@ -750,7 +788,7 @@ bool stream_display_thumb(const struct vo_rect *rc)
     stream_mgr_lock();
 
     stream_mgr.parms.rc = *rc;
-    retval = parser_send_video_msg(VIDEO_PRINT_THUMBNAIL,
+    retval = send_video_msg(VIDEO_PRINT_THUMBNAIL,
                 (intptr_t)&stream_mgr.parms.rc);
 
     stream_mgr_unlock();
@@ -763,7 +801,7 @@ bool stream_draw_frame(bool no_prepare)
     bool retval;
     stream_mgr_lock();
 
-    retval = parser_send_video_msg(VIDEO_PRINT_FRAME, no_prepare);
+    retval = send_video_msg(VIDEO_PRINT_FRAME, no_prepare);
 
     stream_mgr_unlock();
 
-- 
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