Merge remote-tracking branch 'qatar/master'

* qatar/master:
  Deprecate obsolete XvMC hardware decoding support

Conflicts:
	libavcodec/mpeg12.c
	libavcodec/mpeg12dec.c
	libavcodec/mpegvideo.c
	libavcodec/options_table.h
	libavutil/pixdesc.c
	libavutil/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>

13 files changed, 113 insertions, 17 deletions

diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 3bf59c67e2..2507eeeaf8 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -24,8 +24,9 @@
  * Provide registration of all codecs, parsers and bitstream filters for libavcodec.
  */
 
-#include "avcodec.h"
 #include "config.h"
+#include "avcodec.h"
+#include "version.h"
 
 #define REGISTER_HWACCEL(X, x)                                          \
     {                                                                   \
@@ -189,7 +190,9 @@ void avcodec_register_all(void)
     REGISTER_DECODER(MJPEGB,            mjpegb);
     REGISTER_DECODER(MMVIDEO,           mmvideo);
     REGISTER_DECODER(MOTIONPIXELS,      motionpixels);
+#if FF_API_XVMC
     REGISTER_DECODER(MPEG_XVMC,         mpeg_xvmc);
+#endif /* FF_API_XVMC */
     REGISTER_ENCDEC (MPEG1VIDEO,        mpeg1video);
     REGISTER_ENCDEC (MPEG2VIDEO,        mpeg2video);
     REGISTER_ENCDEC (MPEG4,             mpeg4);
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index b3d99b0074..f2a3c69de2 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -105,7 +105,9 @@ enum AVCodecID {
     /* video codecs */
     AV_CODEC_ID_MPEG1VIDEO,
     AV_CODEC_ID_MPEG2VIDEO, ///< preferred ID for MPEG-1/2 video decoding
+#if FF_API_XVMC
     AV_CODEC_ID_MPEG2VIDEO_XVMC,
+#endif /* FF_API_XVMC */
     AV_CODEC_ID_H261,
     AV_CODEC_ID_H263,
     AV_CODEC_ID_RV10,
@@ -754,8 +756,10 @@ typedef struct RcOverride{
  */
 #define CODEC_CAP_DR1             0x0002
 #define CODEC_CAP_TRUNCATED       0x0008
+#if FF_API_XVMC
 /* Codec can export data for HW decoding (XvMC). */
 #define CODEC_CAP_HWACCEL         0x0010
+#endif /* FF_API_XVMC */
 /**
  * Encoder or decoder requires flushing with NULL input at the end in order to
  * give the complete and correct output.
@@ -1665,12 +1669,15 @@ typedef struct AVCodecContext {
 #define SLICE_FLAG_ALLOW_FIELD    0x0002 ///< allow draw_horiz_band() with field slices (MPEG2 field pics)
 #define SLICE_FLAG_ALLOW_PLANE    0x0004 ///< allow draw_horiz_band() with 1 component at a time (SVQ1)
 
+#if FF_API_XVMC
     /**
      * XVideo Motion Acceleration
      * - encoding: forbidden
      * - decoding: set by decoder
+     * @deprecated XvMC support is slated for removal.
      */
-    int xvmc_acceleration;
+    attribute_deprecated int xvmc_acceleration;
+#endif /* FF_API_XVMC */
 
     /**
      * macroblock decision mode
diff --git a/libavcodec/codec_desc.c b/libavcodec/codec_desc.c
index 4cf30fc03d..c62734f69d 100644
--- a/libavcodec/codec_desc.c
+++ b/libavcodec/codec_desc.c
@@ -21,10 +21,10 @@
 
 #include <string.h>
 
-#include "avcodec.h"
-
 #include "libavutil/common.h"
 #include "libavutil/internal.h"
+#include "avcodec.h"
+#include "version.h"
 
 static const AVCodecDescriptor codec_descriptors[] = {
     /* video codecs */
@@ -42,6 +42,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .long_name = NULL_IF_CONFIG_SMALL("MPEG-2 video"),
         .props     = AV_CODEC_PROP_LOSSY,
     },
+#if FF_API_XVMC
     {
         .id        = AV_CODEC_ID_MPEG2VIDEO_XVMC,
         .type      = AVMEDIA_TYPE_VIDEO,
@@ -49,6 +50,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .long_name = NULL_IF_CONFIG_SMALL("MPEG-1/2 video XvMC (X-Video Motion Compensation)"),
         .props     = AV_CODEC_PROP_LOSSY,
     },
+#endif /* FF_API_XVMC */
     {
         .id        = AV_CODEC_ID_H261,
         .type      = AVMEDIA_TYPE_VIDEO,
diff --git a/libavcodec/error_resilience.c b/libavcodec/error_resilience.c
index 23180dc273..55c68a5901 100644
--- a/libavcodec/error_resilience.c
+++ b/libavcodec/error_resilience.c
@@ -27,11 +27,13 @@
 
 #include <limits.h>
 
+#include "libavutil/internal.h"
 #include "avcodec.h"
 #include "error_resilience.h"
 #include "mpegvideo.h"
 #include "rectangle.h"
 #include "thread.h"
+#include "version.h"
 
 /**
  * @param stride the number of MVs to get to the next row
@@ -697,11 +699,15 @@ static int is_intra_more_likely(ERContext *s)
     if (undamaged_count < 5)
         return 0; // almost all MBs damaged -> use temporal prediction
 
+#if FF_API_XVMC
+FF_DISABLE_DEPRECATION_WARNINGS
     // prevent dsp.sad() check, that requires access to the image
     if (CONFIG_MPEG_XVMC_DECODER    &&
         s->avctx->xvmc_acceleration &&
         s->cur_pic->f.pict_type == AV_PICTURE_TYPE_I)
         return 1;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif /* FF_API_XVMC */
 
     skip_amount     = FFMAX(undamaged_count / 50, 1); // check only up to 50 MBs
     is_intra_likely = 0;
@@ -1173,9 +1179,13 @@ void ff_er_frame_end(ERContext *s)
     } else
         guess_mv(s);
 
+#if FF_API_XVMC
+FF_DISABLE_DEPRECATION_WARNINGS
     /* the filters below are not XvMC compatible, skip them */
     if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration)
         goto ec_clean;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif /* FF_API_XVMC */
     /* fill DC for inter blocks */
     for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
         for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c
index dad3d4c276..09b1f19e48 100644
--- a/libavcodec/mpeg12.c
+++ b/libavcodec/mpeg12.c
@@ -40,7 +40,6 @@
 #include "mpeg12data.h"
 #include "bytestream.h"
 #include "vdpau_internal.h"
-#include "xvmc_internal.h"
 #include "thread.h"
 
 uint8_t ff_mpeg12_static_rl_table_store[2][2][2*MAX_RUN + MAX_LEVEL + 3];
diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c
index 372d18f083..913a400a68 100644
--- a/libavcodec/mpeg12dec.c
+++ b/libavcodec/mpeg12dec.c
@@ -38,6 +38,7 @@
 #include "vdpau_internal.h"
 #include "xvmc_internal.h"
 #include "thread.h"
+#include "version.h"
 
 typedef struct Mpeg1Context {
     MpegEncContext mpeg_enc_ctx;
@@ -773,6 +774,8 @@ static int mpeg_decode_mb(MpegEncContext *s, int16_t block[12][64])
         } else
             memset(s->last_mv, 0, sizeof(s->last_mv)); /* reset mv prediction */
         s->mb_intra = 1;
+#if FF_API_XVMC
+FF_DISABLE_DEPRECATION_WARNINGS
         // if 1, we memcpy blocks in xvmcvideo
         if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration > 1) {
             ff_xvmc_pack_pblocks(s, -1); // inter are always full blocks
@@ -780,6 +783,8 @@ static int mpeg_decode_mb(MpegEncContext *s, int16_t block[12][64])
                 exchange_uv(s);
             }
         }
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif /* FF_API_XVMC */
 
         if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
             if (s->flags2 & CODEC_FLAG2_FAST) {
@@ -992,6 +997,8 @@ static int mpeg_decode_mb(MpegEncContext *s, int16_t block[12][64])
                 return -1;
             }
 
+#if FF_API_XVMC
+FF_DISABLE_DEPRECATION_WARNINGS
             //if 1, we memcpy blocks in xvmcvideo
             if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration > 1) {
                 ff_xvmc_pack_pblocks(s, cbp);
@@ -999,6 +1006,8 @@ static int mpeg_decode_mb(MpegEncContext *s, int16_t block[12][64])
                     exchange_uv(s);
                 }
             }
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif /* FF_API_XVMC */
 
             if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
                 if (s->flags2 & CODEC_FLAG2_FAST) {
@@ -1122,10 +1131,12 @@ static void quant_matrix_rebuild(uint16_t *matrix, const uint8_t *old_perm,
 }
 
 static const enum AVPixelFormat mpeg1_hwaccel_pixfmt_list_420[] = {
+#if FF_API_XVMC
 #if CONFIG_MPEG_XVMC_DECODER
     AV_PIX_FMT_XVMC_MPEG2_IDCT,
     AV_PIX_FMT_XVMC_MPEG2_MC,
 #endif
+#endif /* FF_API_XVMC */
 #if CONFIG_MPEG1_VDPAU_HWACCEL
     AV_PIX_FMT_VDPAU_MPEG1,
     AV_PIX_FMT_VDPAU,
@@ -1135,10 +1146,12 @@ static const enum AVPixelFormat mpeg1_hwaccel_pixfmt_list_420[] = {
 };
 
 static const enum AVPixelFormat mpeg2_hwaccel_pixfmt_list_420[] = {
+#if FF_API_XVMC
 #if CONFIG_MPEG_XVMC_DECODER
     AV_PIX_FMT_XVMC_MPEG2_IDCT,
     AV_PIX_FMT_XVMC_MPEG2_MC,
 #endif
+#endif /* FF_API_XVMC */
 #if CONFIG_MPEG2_VDPAU_HWACCEL
     AV_PIX_FMT_VDPAU_MPEG2,
     AV_PIX_FMT_VDPAU,
@@ -1175,14 +1188,22 @@ static enum AVPixelFormat mpeg_get_pixelformat(AVCodecContext *avctx)
 
 static void setup_hwaccel_for_pixfmt(AVCodecContext *avctx)
 {
+#if FF_API_XVMC
+FF_DISABLE_DEPRECATION_WARNINGS
     if (avctx->pix_fmt != AV_PIX_FMT_XVMC_MPEG2_IDCT && avctx->pix_fmt != AV_PIX_FMT_XVMC_MPEG2_MC) {
         avctx->xvmc_acceleration = 0;
     } else if (!avctx->xvmc_acceleration) {
         avctx->xvmc_acceleration = 2;
     }
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif /* FF_API_XVMC */
     avctx->hwaccel = ff_find_hwaccel(avctx);
     // until then pix_fmt may be changed right after codec init
+#if FF_API_XVMC
     if (avctx->pix_fmt == AV_PIX_FMT_XVMC_MPEG2_IDCT ||
+#else
+    if (
+#endif
         avctx->hwaccel || uses_vdpau(avctx))
         if (avctx->idct_algo == FF_IDCT_AUTO)
             avctx->idct_algo = FF_IDCT_SIMPLE;
@@ -1598,11 +1619,15 @@ static int mpeg_field_start(MpegEncContext *s, const uint8_t *buf, int buf_size)
             return -1;
     }
 
+#if FF_API_XVMC
+FF_DISABLE_DEPRECATION_WARNINGS
 // MPV_frame_start will call this function too,
 // but we need to call it on every field
     if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration)
         if (ff_xvmc_field_start(s, avctx) < 0)
             return -1;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif /* FF_API_XVMC */
 
     return 0;
 }
@@ -1705,9 +1730,13 @@ static int mpeg_decode_slice(MpegEncContext *s, int mb_y,
     }
 
     for (;;) {
+#if FF_API_XVMC
+FF_DISABLE_DEPRECATION_WARNINGS
         // If 1, we memcpy blocks in xvmcvideo.
         if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration > 1)
             ff_xvmc_init_block(s); // set s->block
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif /* FF_API_XVMC */
 
         if (mpeg_decode_mb(s, s->block) < 0)
             return -1;
@@ -1909,8 +1938,12 @@ static int slice_end(AVCodecContext *avctx, AVFrame *pict)
             av_log(avctx, AV_LOG_ERROR, "hardware accelerator failed to decode picture\n");
     }
 
+#if FF_API_XVMC
+FF_DISABLE_DEPRECATION_WARNINGS
     if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration)
         ff_xvmc_field_end(s);
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif /* FF_API_XVMC */
 
     /* end of slice reached */
     if (/*s->mb_y << field_pic == s->mb_height &&*/ !s->first_field && !s->first_slice) {
@@ -2598,6 +2631,7 @@ AVCodec ff_mpegvideo_decoder = {
     .max_lowres     = 3,
 };
 
+#if FF_API_XVMC
 #if CONFIG_MPEG_XVMC_DECODER
 static av_cold int mpeg_mc_decode_init(AVCodecContext *avctx)
 {
@@ -2631,6 +2665,7 @@ AVCodec ff_mpeg_xvmc_decoder = {
 };
 
 #endif
+#endif /* FF_API_XVMC */
 
 #if CONFIG_MPEG_VDPAU_DECODER
 AVCodec ff_mpeg_vdpau_decoder = {
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 6f3e38d3e3..d343166b9a 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -30,6 +30,7 @@
 #include "libavutil/attributes.h"
 #include "libavutil/avassert.h"
 #include "libavutil/imgutils.h"
+#include "libavutil/internal.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "h264chroma.h"
@@ -1710,8 +1711,12 @@ int ff_MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
         update_noise_reduction(s);
     }
 
+#if FF_API_XVMC
+FF_DISABLE_DEPRECATION_WARNINGS
     if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration)
         return ff_xvmc_field_start(s, avctx);
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif /* FF_API_XVMC */
 
     return 0;
 }
@@ -1720,19 +1725,24 @@ int ff_MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
  * frame has been coded/decoded. */
 void ff_MPV_frame_end(MpegEncContext *s)
 {
+#if FF_API_XVMC
+FF_DISABLE_DEPRECATION_WARNINGS
     /* redraw edges for the frame if decoding didn't complete */
     // just to make sure that all data is rendered.
     if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration) {
         ff_xvmc_field_end(s);
-   } else if ((s->er.error_count || s->encoding || !(s->avctx->codec->capabilities&CODEC_CAP_DRAW_HORIZ_BAND)) &&
-              !s->avctx->hwaccel &&
-              !(s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) &&
-              s->unrestricted_mv &&
-              s->current_picture.reference &&
-              !s->intra_only &&
-              !(s->flags & CODEC_FLAG_EMU_EDGE) &&
-              !s->avctx->lowres
-            ) {
+    } else
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif /* FF_API_XVMC */
+    if ((s->er.error_count || s->encoding || !(s->avctx->codec->capabilities&CODEC_CAP_DRAW_HORIZ_BAND)) &&
+        !s->avctx->hwaccel &&
+        !(s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) &&
+        s->unrestricted_mv &&
+        s->current_picture.reference &&
+        !s->intra_only &&
+        !(s->flags & CODEC_FLAG_EMU_EDGE) &&
+        !s->avctx->lowres
+       ) {
         const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->avctx->pix_fmt);
         int hshift = desc->log2_chroma_w;
         int vshift = desc->log2_chroma_h;
@@ -2667,10 +2677,15 @@ void MPV_decode_mb_internal(MpegEncContext *s, int16_t block[12][64],
                             int lowres_flag, int is_mpeg12)
 {
     const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
+
+#if FF_API_XVMC
+FF_DISABLE_DEPRECATION_WARNINGS
     if(CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration){
         ff_xvmc_decode_mb(s);//xvmc uses pblocks
         return;
     }
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif /* FF_API_XVMC */
 
     if(s->avctx->debug&FF_DEBUG_DCT_COEFF) {
        /* print DCT coefficients */
diff --git a/libavcodec/mpegvideo_xvmc.c b/libavcodec/mpegvideo_xvmc.c
index 6b0c6acbd9..664c0089a1 100644
--- a/libavcodec/mpegvideo_xvmc.c
+++ b/libavcodec/mpegvideo_xvmc.c
@@ -30,6 +30,9 @@
 
 #include "xvmc.h"
 #include "xvmc_internal.h"
+#include "version.h"
+
+#if FF_API_XVMC
 
 /**
  * Initialize the block field of the MpegEncContext pointer passed as
@@ -329,3 +332,5 @@ void ff_xvmc_decode_mb(MpegEncContext *s)
     if (render->filled_mv_blocks_num == render->allocated_mv_blocks)
         ff_mpeg_draw_horiz_band(s, 0, 0);
 }
+
+#endif /* FF_API_XVMC */
diff --git a/libavcodec/options_table.h b/libavcodec/options_table.h
index 39c25d1ad9..ee2b2ffe80 100644
--- a/libavcodec/options_table.h
+++ b/libavcodec/options_table.h
@@ -281,7 +281,9 @@ static const AVOption avcodec_options[] = {
 {"deflate", "deflate-based coder", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CODER_TYPE_DEFLATE }, INT_MIN, INT_MAX, V|E, "coder"},
 {"context", "context model", OFFSET(context_model), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX, V|E},
 {"slice_flags", NULL, OFFSET(slice_flags), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX},
+#if FF_API_XVMC
 {"xvmc_acceleration", NULL, OFFSET(xvmc_acceleration), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX},
+#endif /* FF_API_XVMC */
 {"mbd", "macroblock decision algorithm (high quality mode)", OFFSET(mb_decision), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, 0, 2, V|E, "mbd"},
 {"simple", "use mbcmp (default)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MB_DECISION_SIMPLE }, INT_MIN, INT_MAX, V|E, "mbd"},
 {"bits", "use fewest bits", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MB_DECISION_BITS }, INT_MIN, INT_MAX, V|E, "mbd"},
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 3ce9ad4f08..0d18626935 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -117,5 +117,8 @@
 #ifndef FF_API_ARCH_ALPHA
 #define FF_API_ARCH_ALPHA        (LIBAVCODEC_VERSION_MAJOR < 56)
 #endif
+#ifndef FF_API_XVMC
+#define FF_API_XVMC              (LIBAVCODEC_VERSION_MAJOR < 56)
+#endif
 
 #endif /* AVCODEC_VERSION_H */
diff --git a/libavcodec/x86/dsputil_init.c b/libavcodec/x86/dsputil_init.c
index e5e756615a..89f4068462 100644
--- a/libavcodec/x86/dsputil_init.c
+++ b/libavcodec/x86/dsputil_init.c
@@ -601,11 +601,15 @@ static av_cold void dsputil_init_sse(DSPContext *c, AVCodecContext *avctx,
     const int high_bit_depth = avctx->bits_per_raw_sample > 8;
 
     if (!high_bit_depth) {
+#if FF_API_XVMC
         if (!(CONFIG_MPEG_XVMC_DECODER && avctx->xvmc_acceleration > 1)) {
             /* XvMCCreateBlocks() may not allocate 16-byte aligned blocks */
-            c->clear_block  = ff_clear_block_sse;
-            c->clear_blocks = ff_clear_blocks_sse;
+#endif /* FF_API_XVMC */
+        c->clear_block  = ff_clear_block_sse;
+        c->clear_blocks = ff_clear_blocks_sse;
+#if FF_API_XVMC
         }
+#endif /* FF_API_XVMC */
     }
 
     c->vector_clipf = ff_vector_clipf_sse;
diff --git a/libavcodec/xvmc.h b/libavcodec/xvmc.h
index b2bf518d0c..efd69fc913 100644
--- a/libavcodec/xvmc.h
+++ b/libavcodec/xvmc.h
@@ -29,8 +29,12 @@
 
 #include <X11/extensions/XvMC.h>
 
+#include "libavutil/attributes.h"
+#include "version.h"
 #include "avcodec.h"
 
+#if FF_API_XVMC
+
 /**
  * @defgroup lavc_codec_hwaccel_xvmc XvMC
  * @ingroup lavc_codec_hwaccel
@@ -41,7 +45,7 @@
 #define AV_XVMC_ID                    0x1DC711C0  /**< special value to ensure that regular pixel routines haven't corrupted the struct
                                                        the number is 1337 speak for the letters IDCT MCo (motion compensation) */
 
-struct xvmc_pix_fmt {
+attribute_deprecated struct xvmc_pix_fmt {
     /** The field contains the special constant value AV_XVMC_ID.
         It is used as a test that the application correctly uses the API,
         and that there is no corruption caused by pixel routines.
@@ -165,4 +169,6 @@ struct xvmc_pix_fmt {
  * @}
  */
 
+#endif /* FF_API_XVMC */
+
 #endif /* AVCODEC_XVMC_H */
diff --git a/libavcodec/xvmc_internal.h b/libavcodec/xvmc_internal.h
index 04197cefae..6a60add965 100644
--- a/libavcodec/xvmc_internal.h
+++ b/libavcodec/xvmc_internal.h
@@ -23,6 +23,9 @@
 
 #include "avcodec.h"
 #include "mpegvideo.h"
+#include "version.h"
+
+#if FF_API_XVMC
 
 void ff_xvmc_init_block(MpegEncContext *s);
 void ff_xvmc_pack_pblocks(MpegEncContext *s, int cbp);
@@ -30,4 +33,6 @@ int  ff_xvmc_field_start(MpegEncContext*s, AVCodecContext *avctx);
 void ff_xvmc_field_end(MpegEncContext *s);
 void ff_xvmc_decode_mb(MpegEncContext *s);
 
+#endif /* FF_API_XVMC */
+
 #endif /* AVCODEC_XVMC_INTERNAL_H */