lavc: move CODEC_FLAG_MV0 to mpegvideo

doc/APIchanges

@@ -13,6 +13,10 @@ libavutil:     2013-12-xx
 
 API changes, most recent first:
 
+2014-04-xx - xxxxxxx - lavc 55.50.3 - avcodec.h
+  Deprecate CODEC_FLAG_MV0. It is replaced by the flag "mv0" in the
+  "mpv_flags" private option of the mpegvideo encoders.
+
 2014-04-xx - xxxxxxx - lavc 55.50.2 - avcodec.h
   Deprecate CODEC_FLAG_GMC. It is replaced by the "gmc" private option of the
   libxvid encoder.

libavcodec/avcodec.h

@@ -675,7 +675,13 @@ typedef struct RcOverride{
  */
 #define CODEC_FLAG_GMC    0x0020  ///< Use GMC.
 #endif
-#define CODEC_FLAG_MV0    0x0040  ///< Always try a MB with MV=<0,0>.
+#if FF_API_MV0
+/**
+ * @deprecated use the flag "mv0" in the "mpv_flags" private option of the
+ * mpegvideo encoders
+ */
+#define CODEC_FLAG_MV0    0x0040
+#endif
 #if FF_API_INPUT_PRESERVED
 /**
  * @deprecated passing reference-counted frames to the encoders replaces this

libavcodec/motion_est.c

@@ -973,7 +973,7 @@ void ff_estimate_p_frame_motion(MpegEncContext * s,
 //        if (varc*2 + 200*256 + 50*(s->lambda2>>FF_LAMBDA_SHIFT) > vard){
             mb_type|= CANDIDATE_MB_TYPE_INTER;
             c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
-            if(s->flags&CODEC_FLAG_MV0)
+            if (s->mpv_flags & FF_MPV_FLAG_MV0)
                 if(mx || my)
                     mb_type |= CANDIDATE_MB_TYPE_SKIPPED; //FIXME check difference
         }else{
@@ -1592,7 +1592,8 @@ void ff_estimate_b_frame_motion(MpegEncContext * s,
         }
          //FIXME something smarter
         if(dmin>256*256*16) type&= ~CANDIDATE_MB_TYPE_DIRECT; //do not try direct mode if it is invalid for this MB
-        if(s->codec_id == AV_CODEC_ID_MPEG4 && type&CANDIDATE_MB_TYPE_DIRECT && s->flags&CODEC_FLAG_MV0 && *(uint32_t*)s->b_direct_mv_table[xy])
+        if (s->codec_id == AV_CODEC_ID_MPEG4 && type&CANDIDATE_MB_TYPE_DIRECT &&
+            s->mpv_flags & FF_MPV_FLAG_MV0 && *(uint32_t*)s->b_direct_mv_table[xy])
             type |= CANDIDATE_MB_TYPE_DIRECT0;
     }
 

libavcodec/motion_est_template.c

@@ -896,7 +896,8 @@ static av_always_inline int epzs_motion_search_internal(MpegEncContext * s, int
     score_map[0]= dmin;
 
     //FIXME precalc first term below?
-    if((s->pict_type == AV_PICTURE_TYPE_B && !(c->flags & FLAG_DIRECT)) || s->flags&CODEC_FLAG_MV0)
+    if ((s->pict_type == AV_PICTURE_TYPE_B && !(c->flags & FLAG_DIRECT)) ||
+        s->mpv_flags & FF_MPV_FLAG_MV0)
         dmin += (mv_penalty[pred_x] + mv_penalty[pred_y])*penalty_factor;
 
     /* first line */

libavcodec/mpegvideo.h

@@ -650,6 +650,7 @@ typedef struct MpegEncContext {
 #define FF_MPV_FLAG_QP_RD        0x0004
 #define FF_MPV_FLAG_CBP_RD       0x0008
 #define FF_MPV_FLAG_NAQ          0x0010
+#define FF_MPV_FLAG_MV0          0x0020
 
 #define FF_MPV_OFFSET(x) offsetof(MpegEncContext, x)
 #define FF_MPV_OPT_FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
@@ -660,6 +661,7 @@ typedef struct MpegEncContext {
 { "qp_rd",          "Use rate distortion optimization for qp selection", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_QP_RD },  0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
 { "cbp_rd",         "use rate distortion optimization for CBP",          0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_CBP_RD }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
 { "naq",            "normalize adaptive quantization",                   0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_NAQ },    0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
+{ "mv0",            "always try a mb with mv=<0,0>",                     0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_MV0 },    0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
 { "luma_elim_threshold",   "single coefficient elimination threshold for luminance (negative values also consider dc coefficient)",\
                                                                       FF_MPV_OFFSET(luma_elim_threshold), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS },\
 { "chroma_elim_threshold", "single coefficient elimination threshold for chrominance (negative values also consider dc coefficient)",\

libavcodec/mpegvideo_enc.c

@@ -787,6 +787,13 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
     FF_ENABLE_DEPRECATION_WARNINGS;
 #endif
 
+#if FF_API_MV0
+    FF_DISABLE_DEPRECATION_WARNINGS
+    if (avctx->flags & CODEC_FLAG_MV0)
+        s->mpv_flags |= FF_MPV_FLAG_MV0;
+    FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
     if (avctx->b_frame_strategy == 2) {
         for (i = 0; i < s->max_b_frames + 2; i++) {
             s->tmp_frames[i] = av_frame_alloc();

libavcodec/options_table.h

@@ -55,7 +55,9 @@ static const AVOption avcodec_options[] = {
 #if FF_API_GMC
 {"gmc", "use gmc", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_GMC }, INT_MIN, INT_MAX, V|E, "flags"},
 #endif
+#if FF_API_MV0
 {"mv0", "always try a mb with mv=<0,0>", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_MV0 }, INT_MIN, INT_MAX, V|E, "flags"},
+#endif
 #if FF_API_INPUT_PRESERVED
 {"input_preserved", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_INPUT_PRESERVED }, INT_MIN, INT_MAX, 0, "flags"},
 #endif

libavcodec/version.h

@@ -30,7 +30,7 @@
 
 #define LIBAVCODEC_VERSION_MAJOR 55
 #define LIBAVCODEC_VERSION_MINOR 50
-#define LIBAVCODEC_VERSION_MICRO  2
+#define LIBAVCODEC_VERSION_MICRO  3
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \
@@ -138,5 +138,8 @@
 #ifndef FF_API_GMC
 #define FF_API_GMC               (LIBAVCODEC_VERSION_MAJOR < 57)
 #endif
+#ifndef FF_API_MV0
+#define FF_API_MV0               (LIBAVCODEC_VERSION_MAJOR < 57)
+#endif
 
 #endif /* AVCODEC_VERSION_H */