From 240b743ebdfde9bfb9bbe311de9ab6afe9378cff Mon Sep 17 00:00:00 2001
From: reimar <reimar@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Fri, 2 Feb 2007 18:32:07 +0000
Subject: Add global field dominance flag instead of duplicating this
 "everywhere" Patch by Carl Eugen Hoyos (cehoyos (at) ag or at)

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@22104 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 DOCS/man/en/mplayer.1   | 24 ++++++++++++++++++++++--
 cfg-common.h            |  4 ++++
 libmpcodecs/dec_video.c |  7 +++++++
 3 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/DOCS/man/en/mplayer.1 b/DOCS/man/en/mplayer.1
index 19ebcaa40d..cf81ea8afb 100644
--- a/DOCS/man/en/mplayer.1
+++ b/DOCS/man/en/mplayer.1
@@ -3983,6 +3983,20 @@ incorrect or missing in the file being played.
 Disable automatic movie aspect ratio compensation.
 .
 .TP
+.B "\-field-dominance <-1\-1>
+Set first field for interlaced content. Useful for deinterlacers that double the framerate: \-vf tfields=1, \-vf yadif=1 and \-vo xvmc:bobdeint.
+.PD 0
+.RSs
+.IPs -1
+auto (default) If the decoder doesn't export the appropriate information, it falls back to 0 (top field first).
+.IPs 0
+top field first
+.IPs 1
+bottom field first
+.RE
+.PD 1
+.
+.TP
 .B "\-flip \ "
 Flip image upside-down.
 .
@@ -6280,7 +6294,7 @@ desired (double) framerate!
 2: Translate fields by 1/4 pixel with linear interpolation (no jump).
 .br
 4: Translate fields by 1/4 pixel with 4tap filter (higher quality) (default).
-.IPs <field_dominance>
+.IPs <field_dominance>\ (DEPRECATED)
 -1: auto (default)
 Only works if the decoder exports the appropriate information and
 no other filters which discard that information come before tfields
@@ -6289,6 +6303,9 @@ in the filter chain, otherwise it falls back to 0 (top field first).
 0: top field first
 .br
 1: bottom field first
+.br
+.I NOTE:
+This option will possibly be removed in a future version. Use \-field-dominance instead.
 .RE
 .PD 1
 .
@@ -6305,8 +6322,11 @@ Yet another deinterlacing filter
 2: Like 0 but skips spatial interlacing check.
 .br
 3: Like 1 but skips spatial interlacing check.
-.IPs <field_dominance>
+.IPs <field_dominance>\ (DEPRECATED)
 Operates like tfields.
+.br
+.I NOTE:
+This option will possibly be removed in a future version. Use \-field-dominance instead.
 .RE
 .PD 1
 .
diff --git a/cfg-common.h b/cfg-common.h
index 21324490f8..caf7248fd2 100644
--- a/cfg-common.h
+++ b/cfg-common.h
@@ -241,6 +241,7 @@
 	// draw by slices or whole frame (useful with libmpeg2/libavcodec)
 	{"slices", &vd_use_slices, CONF_TYPE_FLAG, 0, 0, 1, NULL},
 	{"noslices", &vd_use_slices, CONF_TYPE_FLAG, 0, 1, 0, NULL},
+	{"field-dominance", &field_dominance, CONF_TYPE_INT, CONF_RANGE, -1, 1, NULL},
 
 #ifdef USE_LIBAVCODEC
 	{"lavdopts", lavc_decode_opts_conf, CONF_TYPE_SUBCONFIG, 0, 0, 0, NULL},
@@ -350,6 +351,9 @@ extern int divx_quality;
 /* defined in codec-cfg.c */
 extern char * codecs_file;
 
+/* defined in dec_video.c */
+extern int field_dominance;
+
 /* from dec_audio, currently used for ac3surround decoder only */
 extern int audio_output_channels;
 
diff --git a/libmpcodecs/dec_video.c b/libmpcodecs/dec_video.c
index 16f919e692..230ab0f69b 100644
--- a/libmpcodecs/dec_video.c
+++ b/libmpcodecs/dec_video.c
@@ -39,6 +39,8 @@ extern double vout_time_usage;
 
 #include "cpudetect.h"
 
+int field_dominance=-1;
+
 int divx_quality=0;
 
 vd_functions_t* mpvdec=NULL;
@@ -382,6 +384,11 @@ video_time_usage+=tt;
 
 if(!mpi || drop_frame) return NULL; // error / skipped frame
 
+ if (field_dominance == 0)
+     mpi->fields |= MP_IMGFIELD_TOP_FIRST;
+ else if (field_dominance == 1)
+     mpi->fields &= ~MP_IMGFIELD_TOP_FIRST;
+
  if (correct_pts) {
      sh_video->num_buffered_pts--;
      sh_video->pts = sh_video->buffered_pts[sh_video->num_buffered_pts];
-- 
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