From d639dcdae022130078c9c84b7b691c5e9694786c Mon Sep 17 00:00:00 2001
From: Vittorio Giovara <vittorio.giovara@gmail.com>
Date: Wed, 20 Jul 2016 18:02:23 +0200
Subject: ratecontrol: Move Xvid-related functions to the place they are
 actually used

This will simplify the de-MpegEncContextualization.
---
 libavcodec/mpegvideo_enc.c | 33 ++++++++++++++++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

(limited to 'libavcodec/mpegvideo_enc.c')

diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index 4e0fae815f..d738d06ee6 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -60,6 +60,7 @@
 #include "bytestream.h"
 #include "wmv2.h"
 #include "rv10.h"
+#include "libxvid.h"
 #include <limits.h>
 
 #define QUANT_BIAS_SHIFT 8
@@ -871,9 +872,28 @@ FF_ENABLE_DEPRECATION_WARNINGS
                           31, 0);
     }
 
+#if FF_API_RC_STRATEGY
+FF_DISABLE_DEPRECATION_WARNINGS
+    if (!s->rc_strategy)
+        s->rc_strategy = s->avctx->rc_strategy;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
     if (ff_rate_control_init(s) < 0)
         return -1;
 
+    if ((s->avctx->flags & AV_CODEC_FLAG_PASS2) && s->rc_strategy == 1) {
+#if CONFIG_LIBXVID
+        ret = ff_xvid_rate_control_init(s);
+#else
+        ret = AVERROR(ENOSYS);
+        av_log(s->avctx, AV_LOG_ERROR,
+               "Xvid ratecontrol requires libavcodec compiled with Xvid support.\n");
+#endif
+        if (ret < 0)
+            return ret;
+    }
+
 #if FF_API_ERROR_RATE
     FF_DISABLE_DEPRECATION_WARNINGS
     if (avctx->error_rate)
@@ -967,6 +987,10 @@ av_cold int ff_mpv_encode_end(AVCodecContext *avctx)
     int i;
 
     ff_rate_control_uninit(s);
+#if CONFIG_LIBXVID
+    if ((avctx->flags & AV_CODEC_FLAG_PASS2) && s->rc_strategy == 1)
+        ff_xvid_rate_control_uninit(s);
+#endif
 
     ff_mpv_common_end(s);
     if (CONFIG_MJPEG_ENCODER &&
@@ -3385,8 +3409,15 @@ static int estimate_qp(MpegEncContext *s, int dry_run){
         s->current_picture.f->quality = s->next_lambda;
         if(!dry_run) s->next_lambda= 0;
     } else if (!s->fixed_qscale) {
+        int quality;
+#if CONFIG_LIBXVID
+        if ((s->avctx->flags & AV_CODEC_FLAG_PASS2) && s->rc_strategy == 1)
+            quality = ff_xvid_rate_estimate_qscale(s, dry_run);
+        else
+#endif
+        quality = ff_rate_estimate_qscale(s, dry_run);
         s->current_picture_ptr->f->quality =
-        s->current_picture.f->quality = ff_rate_estimate_qscale(s, dry_run);
+        s->current_picture.f->quality = quality;
         if (s->current_picture.f->quality < 0)
             return -1;
     }
-- 
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