lavc: remove "legacy" mpegvideo decoder.

libavcodec/Makefile

@@ -245,8 +245,6 @@ OBJS-$(CONFIG_MPC7_DECODER)            += mpc7.o mpc.o mpegaudiodec.o      \
 OBJS-$(CONFIG_MPC8_DECODER)            += mpc8.o mpc.o mpegaudiodec.o      \
                                           mpegaudiodecheader.o mpegaudio.o \
                                           mpegaudiodata.o
-OBJS-$(CONFIG_MPEGVIDEO_DECODER)       += mpeg12.o mpeg12data.o \
-                                          mpegvideo.o error_resilience.o
 OBJS-$(CONFIG_MPEG_XVMC_DECODER)       += mpegvideo_xvmc.o
 OBJS-$(CONFIG_MPEG1VIDEO_DECODER)      += mpeg12.o mpeg12data.o \
                                           mpegvideo.o error_resilience.o

libavcodec/allcodecs.c

@@ -145,7 +145,6 @@ void avcodec_register_all(void)
     REGISTER_ENCDEC  (MPEG2VIDEO, mpeg2video);
     REGISTER_ENCDEC  (MPEG4, mpeg4);
     REGISTER_DECODER (MPEG4_VDPAU, mpeg4_vdpau);
-    REGISTER_DECODER (MPEGVIDEO, mpegvideo);
     REGISTER_DECODER (MPEG_VDPAU, mpeg_vdpau);
     REGISTER_DECODER (MPEG1_VDPAU, mpeg1_vdpau);
     REGISTER_DECODER (MSMPEG4V1, msmpeg4v1);

libavcodec/mpeg12.c

@@ -2522,21 +2522,6 @@ AVCodec ff_mpeg2video_decoder = {
     .profiles       = NULL_IF_CONFIG_SMALL(mpeg2_video_profiles),
 };
 
-//legacy decoder
-AVCodec ff_mpegvideo_decoder = {
-    .name           = "mpegvideo",
-    .type           = AVMEDIA_TYPE_VIDEO,
-    .id             = CODEC_ID_MPEG2VIDEO,
-    .priv_data_size = sizeof(Mpeg1Context),
-    .init           = mpeg_decode_init,
-    .close          = mpeg_decode_end,
-    .decode         = mpeg_decode_frame,
-    .capabilities   = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY | CODEC_CAP_SLICE_THREADS,
-    .flush          = flush,
-    .max_lowres     = 3,
-    .long_name      = NULL_IF_CONFIG_SMALL("MPEG-1 video"),
-};
-
 #if CONFIG_MPEG_XVMC_DECODER
 static av_cold int mpeg_mc_decode_init(AVCodecContext *avctx)
 {