* modules/codec/ffmpeg/*, modules/stream_out/switcher.c: fix compilation with...

* modules/codec/ffmpeg/*, modules/stream_out/switcher.c: fix compilation with new ffmpeg versions (use native timebase).

modules/codec/ffmpeg/encoder.c

@@ -328,8 +328,13 @@ int E_(OpenEncoder)( vlc_object_t *p_this )
         p_context->width = p_enc->fmt_in.video.i_width;
         p_context->height = p_enc->fmt_in.video.i_height;
 
+#if LIBAVCODEC_BUILD >= 4754
+        p_context->time_base.num = p_enc->fmt_in.video.i_frame_rate_base;
+        p_context->time_base.den = p_enc->fmt_in.video.i_frame_rate;
+#else
         p_context->frame_rate = p_enc->fmt_in.video.i_frame_rate;
         p_context->frame_rate_base= p_enc->fmt_in.video.i_frame_rate_base;
+#endif
 
         /* Defaults from ffmpeg.c */
         p_context->qblur = 0.5;

modules/codec/ffmpeg/video.c

@@ -186,11 +186,19 @@ static inline picture_t *ffmpeg_NewPictBuf( decoder_t *p_dec,
         }
     }
 
+#if LIBAVCODEC_BUILD >= 4754
+    if( p_context->time_base.num > 0 && p_context->time_base.den > 0 )
+    {
+        p_dec->fmt_out.video.i_frame_rate = p_context->time_base.den;
+        p_dec->fmt_out.video.i_frame_rate_base = p_context->time_base.num;
+    }
+#else
     if( p_context->frame_rate > 0 && p_context->frame_rate_base > 0 )
     {
         p_dec->fmt_out.video.i_frame_rate = p_context->frame_rate;
         p_dec->fmt_out.video.i_frame_rate_base = p_context->frame_rate_base;
     }
+#endif
 
     p_pic = p_dec->pf_vout_buffer_new( p_dec );
 
@@ -654,6 +662,16 @@ picture_t *E_(DecodeVideo)( decoder_t *p_dec, block_t **pp_block )
             p_pic->date = p_sys->i_pts;
 
             /* interpolate the next PTS */
+#if LIBAVCODEC_BUILD >= 4754
+            if( p_sys->p_context->time_base.den > 0 )
+            {
+                p_sys->i_pts += I64C(1000000) *
+                    (2 + p_sys->p_ff_pic->repeat_pict) *
+                    p_sys->p_context->time_base.num *
+                    p_block->i_rate / INPUT_RATE_DEFAULT /
+                    (2 * p_sys->p_context->time_base.den);
+            }
+#else
             if( p_sys->p_context->frame_rate > 0 )
             {
                 p_sys->i_pts += I64C(1000000) *
@@ -662,6 +680,7 @@ picture_t *E_(DecodeVideo)( decoder_t *p_dec, block_t **pp_block )
                     p_block->i_rate / INPUT_RATE_DEFAULT /
                     (2 * p_sys->p_context->frame_rate);
             }
+#endif
 
             if( p_sys->b_first_frame )
             {

modules/stream_out/switcher.c

@@ -740,8 +740,13 @@ static mtime_t VideoCommand( sout_stream_t *p_stream, sout_stream_id_t *id )
                    i_aspect_num * (int64_t)id->ff_enc_c->height,
                    i_aspect_den * (int64_t)id->ff_enc_c->width, 1 << 30 );
 
+#if LIBAVCODEC_BUILD >= 4754
+        id->ff_enc_c->time_base.num = 1;
+        id->ff_enc_c->time_base.den = 25; /* FIXME */
+#else
         id->ff_enc_c->frame_rate    = 25; /* FIXME */
         id->ff_enc_c->frame_rate_base = 1;
+#endif
 
         id->ff_enc_c->gop_size = 200;
         id->ff_enc_c->max_b_frames = 0;