Convert XvMC to hwaccel v3

Signed-off-by: Ivan Kalvachev <ikalvachev@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

configure

@@ -1318,6 +1318,7 @@ HWACCEL_LIST="
     vaapi
     vda
     vdpau
+    xvmc
 "
 
 LIBRARY_LIST="
@@ -2039,6 +2040,7 @@ vaapi_deps="va_va_h"
 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
+xvmc_deps="X11_extensions_XvMClib_h"
 
 h263_vaapi_hwaccel_deps="vaapi"
 h263_vaapi_hwaccel_select="h263_decoder"
@@ -2059,10 +2061,14 @@ h264_vdpau_hwaccel_deps="vdpau"
 h264_vdpau_hwaccel_select="h264_decoder"
 mpeg_vdpau_decoder_deps="vdpau"
 mpeg_vdpau_decoder_select="mpeg2video_decoder"
+mpeg_xvmc_hwaccel_deps="xvmc"
+mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
 mpeg1_vdpau_decoder_deps="vdpau"
 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
 mpeg1_vdpau_hwaccel_deps="vdpau"
 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
+mpeg1_xvmc_hwaccel_deps="xvmc"
+mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
 mpeg2_crystalhd_decoder_select="crystalhd"
 mpeg2_dxva2_hwaccel_deps="dxva2"
 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
@@ -2070,6 +2076,8 @@ mpeg2_vaapi_hwaccel_deps="vaapi"
 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
 mpeg2_vdpau_hwaccel_deps="vdpau"
 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
+mpeg2_xvmc_hwaccel_deps="xvmc"
+mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
 mpeg4_crystalhd_decoder_select="crystalhd"
 mpeg4_vaapi_hwaccel_deps="vaapi"
 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
@@ -2454,7 +2462,7 @@ enable static
 enable swscale_alpha
 
 # Enable hwaccels by default.
-enable dxva2 vaapi vdpau
+enable dxva2 vaapi vdpau xvmc
 
 # build settings
 SHFLAGS='-shared -Wl,-soname,$$(@F)'

libavcodec/Makefile

@@ -297,7 +297,6 @@ OBJS-$(CONFIG_MPC7_DECODER)            += mpc7.o mpc.o
 OBJS-$(CONFIG_MPC8_DECODER)            += mpc8.o mpc.o
 OBJS-$(CONFIG_MPEGVIDEO_DECODER)       += mpeg12.o mpeg12data.o \
                                           mpegvideo.o error_resilience.o
-OBJS-$(CONFIG_MPEG_XVMC_DECODER)       += mpegvideo_xvmc.o
 OBJS-$(CONFIG_MPEG1VIDEO_DECODER)      += mpeg12dec.o mpeg12.o mpeg12data.o
 OBJS-$(CONFIG_MPEG1VIDEO_ENCODER)      += mpeg12enc.o mpeg12.o
 OBJS-$(CONFIG_MPEG2VIDEO_DECODER)      += mpeg12dec.o mpeg12.o mpeg12data.o
@@ -635,9 +634,11 @@ OBJS-$(CONFIG_H264_VAAPI_HWACCEL)         += vaapi_h264.o
 OBJS-$(CONFIG_H264_VDA_HWACCEL)           += vda_h264.o
 OBJS-$(CONFIG_H264_VDPAU_HWACCEL)         += vdpau_h264.o
 OBJS-$(CONFIG_MPEG1_VDPAU_HWACCEL)        += vdpau_mpeg12.o
+OBJS-$(CONFIG_MPEG1_XVMC_HWACCEL)         += mpegvideo_xvmc.o
 OBJS-$(CONFIG_MPEG2_DXVA2_HWACCEL)        += dxva2_mpeg2.o
 OBJS-$(CONFIG_MPEG2_VAAPI_HWACCEL)        += vaapi_mpeg2.o vaapi_mpeg.o
 OBJS-$(CONFIG_MPEG2_VDPAU_HWACCEL)        += vdpau_mpeg12.o
+OBJS-$(CONFIG_MPEG2_XVMC_HWACCEL)         += mpegvideo_xvmc.o
 OBJS-$(CONFIG_MPEG4_VAAPI_HWACCEL)        += vaapi_mpeg4.o vaapi_mpeg.o
 OBJS-$(CONFIG_MPEG4_VDPAU_HWACCEL)        += vdpau_mpeg4.o
 OBJS-$(CONFIG_VC1_DXVA2_HWACCEL)          += dxva2_vc1.o
@@ -827,7 +828,7 @@ SKIPHEADERS                            += %_tablegen.h                  \
 SKIPHEADERS-$(CONFIG_DXVA2)            += dxva2.h dxva2_internal.h
 SKIPHEADERS-$(CONFIG_LIBSCHROEDINGER)  += libschroedinger.h
 SKIPHEADERS-$(CONFIG_LIBUTVIDEO)       += libutvideo.h
-SKIPHEADERS-$(CONFIG_MPEG_XVMC_DECODER) += xvmc.h
+SKIPHEADERS-$(CONFIG_XVMC)             += xvmc.h
 SKIPHEADERS-$(CONFIG_VAAPI)            += vaapi_internal.h
 SKIPHEADERS-$(CONFIG_VDA)              += vda.h
 SKIPHEADERS-$(CONFIG_VDPAU)            += vdpau.h vdpau_internal.h

libavcodec/allcodecs.c

@@ -80,7 +80,9 @@ void avcodec_register_all(void)
     REGISTER_HWACCEL(H264_VAAPI,        h264_vaapi);
     REGISTER_HWACCEL(H264_VDA,          h264_vda);
     REGISTER_HWACCEL(H264_VDPAU,        h264_vdpau);
+    REGISTER_HWACCEL(MPEG1_XVMC,        mpeg1_xvmc);
     REGISTER_HWACCEL(MPEG1_VDPAU,       mpeg1_vdpau);
+    REGISTER_HWACCEL(MPEG2_XVMC,        mpeg2_xvmc);
     REGISTER_HWACCEL(MPEG2_DXVA2,       mpeg2_dxva2);
     REGISTER_HWACCEL(MPEG2_VAAPI,       mpeg2_vaapi);
     REGISTER_HWACCEL(MPEG2_VDPAU,       mpeg2_vdpau);

libavcodec/avcodec.h

@@ -767,7 +767,13 @@ 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). */
+/* Codec can export data for HW decoding. This flag indicates that
+ * the codec would call get_format() with list that might contain HW accelerated
+ * pixel formats (XvMC, VDPAU, VAAPI, etc). The application can pick any of them
+ * including raw image format.
+ * The application can use the passed context to determine bitstream version,
+ * chroma format, resolution etc.
+ */
 #define CODEC_CAP_HWACCEL         0x0010
 #endif /* FF_API_XVMC */
 /**
@@ -1695,7 +1701,7 @@ typedef struct AVCodecContext {
      * XVideo Motion Acceleration
      * - encoding: forbidden
      * - decoding: set by decoder
-     * @deprecated XvMC support is slated for removal.
+     * @deprecated XvMC doesn't need it anymore.
      */
     attribute_deprecated int xvmc_acceleration;
 #endif /* FF_API_XVMC */
@@ -3100,6 +3106,8 @@ typedef struct AVCodec {
 
 int av_codec_get_max_lowres(const AVCodec *codec);
 
+struct MpegEncContext;
+
 /**
  * AVHWAccel.
  */
@@ -3161,6 +3169,7 @@ typedef struct AVHWAccel {
      *
      * Meaningful slice information (codec specific) is guaranteed to
      * be parsed at this point. This function is mandatory.
+     * The only exception is XvMC, that works on MB level.
      *
      * @param avctx the codec context
      * @param buf the slice data buffer base
@@ -3188,6 +3197,17 @@ typedef struct AVHWAccel {
      * AVCodecContext.release_buffer().
      */
     int priv_data_size;
+
+    /**
+     * Called for every Macroblock in a slice.
+     *
+     * XvMC uses it to replace the ff_MPV_decode_mb().
+     * Instead of decoding to raw picture, MB parameters are
+     * stored in an array provided by the video driver.
+     *
+     * @param s the mpeg context
+     */
+    void (*decode_mb)(struct MpegEncContext *s);
 } AVHWAccel;
 
 /**

libavcodec/error_resilience.c

@@ -699,15 +699,11 @@ 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 &&
+    if (CONFIG_XVMC    &&
+        s->avctx->hwaccel && s->avctx->hwaccel->decode_mb &&
         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;
@@ -770,7 +766,7 @@ void ff_er_frame_start(ERContext *s)
 
 static int er_supported(ERContext *s)
 {
-    if(s->avctx->hwaccel                                              ||
+    if(s->avctx->hwaccel && s->avctx->hwaccel->decode_slice           ||
        s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU          ||
        !s->cur_pic                                                    ||
        s->cur_pic->field_picture
@@ -795,7 +791,7 @@ void ff_er_add_slice(ERContext *s, int startx, int starty,
     const int end_xy   = s->mb_index2xy[end_i];
     int mask           = -1;
 
-    if (s->avctx->hwaccel)
+    if (s->avctx->hwaccel && s->avctx->hwaccel->decode_slice)
         return;
 
     if (start_i > end_i || start_xy > end_xy) {
@@ -1188,13 +1184,9 @@ 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)
+    /* the filters below manipulate raw image, skip them */
+    if (CONFIG_XVMC && s->avctx->hwaccel && s->avctx->hwaccel->decode_mb)
         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++) {

libavcodec/mpeg12dec.c

@@ -666,14 +666,6 @@ static inline int get_qscale(MpegEncContext *s)
     }
 }
 
-static void exchange_uv(MpegEncContext *s)
-{
-    int16_t (*tmp)[64];
-
-    tmp           = s->pblocks[4];
-    s->pblocks[4] = s->pblocks[5];
-    s->pblocks[5] = tmp;
-}
 
 /* motion type (for MPEG-2) */
 #define MT_FIELD 1
@@ -777,17 +769,10 @@ 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) {
+        if (CONFIG_XVMC && s->pack_pblocks) {
             ff_xvmc_pack_pblocks(s, -1); // inter are always full blocks
-            if (s->swap_uv) {
-                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) {
@@ -1000,17 +985,10 @@ FF_ENABLE_DEPRECATION_WARNINGS
                 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) {
+            if (CONFIG_XVMC && s->pack_pblocks) {
                 ff_xvmc_pack_pblocks(s, cbp);
-                if (s->swap_uv) {
-                    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) {
@@ -1134,12 +1112,9 @@ 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,
+#if CONFIG_MPEG1_XVMC_HWACCEL
+    AV_PIX_FMT_XVMC,
 #endif
-#endif /* FF_API_XVMC */
 #if CONFIG_MPEG1_VDPAU_HWACCEL
     AV_PIX_FMT_VDPAU_MPEG1,
     AV_PIX_FMT_VDPAU,
@@ -1149,12 +1124,9 @@ 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,
+#if CONFIG_MPEG2_XVMC_HWACCEL
+    AV_PIX_FMT_XVMC,
 #endif
-#endif /* FF_API_XVMC */
 #if CONFIG_MPEG2_VDPAU_HWACCEL
     AV_PIX_FMT_VDPAU_MPEG2,
     AV_PIX_FMT_VDPAU,
@@ -1191,25 +1163,21 @@ 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->hwaccel || uses_vdpau(avctx))
         if (avctx->idct_algo == FF_IDCT_AUTO)
             avctx->idct_algo = FF_IDCT_SIMPLE;
+
+    if (avctx->hwaccel && avctx->pix_fmt == AV_PIX_FMT_XVMC) {
+        Mpeg1Context *s1 = avctx->priv_data;
+        MpegEncContext *s = &s1->mpeg_enc_ctx;
+
+        s->pack_pblocks = 1;
+#if FF_API_XVMC
+        avctx->xvmc_acceleration = 2;
+#endif /* FF_API_XVMC */
+    }
 }
 
 /* Call this function when we know all parameters.
@@ -1630,16 +1598,6 @@ 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;
 }
 
@@ -1711,7 +1669,7 @@ static int mpeg_decode_slice(MpegEncContext *s, int mb_y,
         return -1;
     }
 
-    if (avctx->hwaccel) {
+    if (avctx->hwaccel && avctx->hwaccel->decode_slice) {
         const uint8_t *buf_end, *buf_start = *buf - 4; /* include start_code */
         int start_code = -1;
         buf_end = avpriv_find_start_code(buf_start + 2, *buf + buf_size, &start_code);
@@ -1741,13 +1699,9 @@ 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)
+        if (CONFIG_XVMC && s->pack_pblocks)
             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;
@@ -1949,13 +1903,6 @@ 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 && !s1->first_slice) {
         /* end of image */

libavcodec/mpegvideo.c

@@ -39,7 +39,6 @@
 #include "mpegvideo.h"
 #include "mjpegenc.h"
 #include "msmpeg4.h"
-#include "xvmc_internal.h"
 #include "thread.h"
 #include <limits.h>
 
@@ -1673,28 +1672,12 @@ 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;
 }
 
 /* called after a frame has been 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
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif /* FF_API_XVMC */
     if ((s->er.error_count || !(s->avctx->codec->capabilities&CODEC_CAP_DRAW_HORIZ_BAND)) &&
         !s->avctx->hwaccel &&
         !(s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) &&
@@ -2618,14 +2601,11 @@ void MPV_decode_mb_internal(MpegEncContext *s, int16_t block[12][64],
 {
     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
+    if (CONFIG_XVMC &&
+        s->avctx->hwaccel && s->avctx->hwaccel->decode_mb) {
+        s->avctx->hwaccel->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 */

libavcodec/mpegvideo.h

@@ -693,6 +693,7 @@ typedef struct MpegEncContext {
 
     uint8_t *ptr_lastgob;
     int swap_uv;             //vcr2 codec is an MPEG-2 variant with U and V swapped
+    int pack_pblocks;        //xvmc needs to keep blocks without gaps.
     int16_t (*pblocks[12])[64];
 
     int16_t (*block)[64]; ///< points to one of the following blocks

libavcodec/mpegvideo_xvmc.c

@@ -32,8 +32,6 @@
 #include "xvmc_internal.h"
 #include "version.h"
 
-#if FF_API_XVMC
-
 /**
  * Initialize the block field of the MpegEncContext pointer passed as
  * parameter after making sure that the data is not corrupted.
@@ -49,6 +47,15 @@ void ff_xvmc_init_block(MpegEncContext *s)
     s->block = (int16_t (*)[64])(render->data_blocks + render->next_free_data_block_num * 64);
 }
 
+static void exchange_uv(MpegEncContext *s)
+{
+    int16_t (*tmp)[64];
+
+    tmp           = s->pblocks[4];
+    s->pblocks[4] = s->pblocks[5];
+    s->pblocks[5] = tmp;
+}
+
 /**
  * Fill individual block pointers, so there are no gaps in the data_block array
  * in case not all blocks in the macroblock are coded.
@@ -66,6 +73,9 @@ void ff_xvmc_pack_pblocks(MpegEncContext *s, int cbp)
             s->pblocks[i] = NULL;
         cbp += cbp;
     }
+    if (s->swap_uv) {
+        exchange_uv(s);
+    }
 }
 
 /**
@@ -73,8 +83,9 @@ void ff_xvmc_pack_pblocks(MpegEncContext *s, int cbp)
  * This function should be called for every new field and/or frame.
  * It should be safe to call the function a few times for the same field.
  */
-int ff_xvmc_field_start(MpegEncContext *s, AVCodecContext *avctx)
+static int ff_xvmc_field_start(AVCodecContext *avctx, const uint8_t *buf, uint32_t buf_size)
 {
+    struct MpegEncContext *s = avctx->priv_data;
     struct xvmc_pix_fmt *last, *next, *render = (struct xvmc_pix_fmt*)s->current_picture.f.data[2];
     const int mb_block_count = 4 + (1 << s->chroma_format);
 
@@ -141,20 +152,22 @@ return -1;
  * some leftover blocks, for example from error_resilience(), may remain.
  * It should be safe to call the function a few times for the same field.
  */
-void ff_xvmc_field_end(MpegEncContext *s)
+static int ff_xvmc_field_end(AVCodecContext *avctx)
 {
+    struct MpegEncContext *s = avctx->priv_data;
     struct xvmc_pix_fmt *render = (struct xvmc_pix_fmt*)s->current_picture.f.data[2];
     assert(render);
 
     if (render->filled_mv_blocks_num > 0)
         ff_mpeg_draw_horiz_band(s, 0, 0);
+    return 0;
 }
 
 /**
  * Synthesize the data needed by XvMC to render one macroblock of data.
  * Fill all relevant fields, if necessary do IDCT.
  */
-void ff_xvmc_decode_mb(MpegEncContext *s)
+static void ff_xvmc_decode_mb(struct MpegEncContext *s)
 {
     XvMCMacroBlock *mv_block;
     struct xvmc_pix_fmt *render;
@@ -313,7 +326,7 @@ void ff_xvmc_decode_mb(MpegEncContext *s)
                  * slowdown. */
             }
             // copy blocks only if the codec doesn't support pblocks reordering
-            if (s->avctx->xvmc_acceleration == 1) {
+            if (!s->pack_pblocks) {
                 memcpy(&render->data_blocks[render->next_free_data_block_num*64],
                        s->pblocks[i], sizeof(*s->pblocks[i]));
             }
@@ -333,4 +346,30 @@ void ff_xvmc_decode_mb(MpegEncContext *s)
         ff_mpeg_draw_horiz_band(s, 0, 0);
 }
 
-#endif /* FF_API_XVMC */
+#if CONFIG_MPEG1_XVMC_HWACCEL
+AVHWAccel ff_mpeg1_xvmc_hwaccel = {
+    .name           = "mpeg1_xvmc",
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = AV_CODEC_ID_MPEG1VIDEO,
+    .pix_fmt        = AV_PIX_FMT_XVMC,
+    .start_frame    = ff_xvmc_field_start,
+    .end_frame      = ff_xvmc_field_end,
+    .decode_slice   = NULL,
+    .decode_mb      = ff_xvmc_decode_mb,
+    .priv_data_size = 0,
+};
+#endif
+
+#if CONFIG_MPEG2_XVMC_HWACCEL
+AVHWAccel ff_mpeg2_xvmc_hwaccel = {
+    .name           = "mpeg2_xvmc",
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = AV_CODEC_ID_MPEG2VIDEO,
+    .pix_fmt        = AV_PIX_FMT_XVMC,
+    .start_frame    = ff_xvmc_field_start,
+    .end_frame      = ff_xvmc_field_end,
+    .decode_slice   = NULL,
+    .decode_mb      = ff_xvmc_decode_mb,
+    .priv_data_size = 0,
+};
+#endif

libavcodec/x86/dsputil_init.c

@@ -583,17 +583,11 @@ 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
-FF_DISABLE_DEPRECATION_WARNINGS
-        if (!(CONFIG_MPEG_XVMC_DECODER && avctx->xvmc_acceleration > 1)) {
+        if (!(CONFIG_XVMC && avctx->hwaccel && avctx->hwaccel->decode_mb)) {
             /* XvMCCreateBlocks() may not allocate 16-byte aligned blocks */
-FF_ENABLE_DEPRECATION_WARNINGS
-#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;

libavcodec/xvmc.h

@@ -33,8 +33,6 @@
 #include "version.h"
 #include "avcodec.h"
 
-#if FF_API_XVMC
-
 /**
  * @defgroup lavc_codec_hwaccel_xvmc XvMC
  * @ingroup lavc_codec_hwaccel
@@ -169,6 +167,4 @@ attribute_deprecated struct xvmc_pix_fmt {
  * @}
  */
 
-#endif /* FF_API_XVMC */
-
 #endif /* AVCODEC_XVMC_H */

libavcodec/xvmc_internal.h

@@ -25,14 +25,7 @@
 #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);
-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 */

libavutil/pixdesc.c

@@ -324,6 +324,12 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
         .flags = AV_PIX_FMT_FLAG_HWACCEL,
     },
 #endif /* FF_API_XVMC */
+#if !FF_API_XVMC
+    [AV_PIX_FMT_XVMC] = {
+        .name = "xvmc",
+        .flags = AV_PIX_FMT_FLAG_HWACCEL,
+    },
+#endif /* !FF_API_XVMC */
     [AV_PIX_FMT_UYVY422] = {
         .name = "uyvy422",
         .nb_components = 3,

libavutil/pixfmt.h

@@ -83,6 +83,7 @@ enum AVPixelFormat {
 #if FF_API_XVMC
     AV_PIX_FMT_XVMC_MPEG2_MC,///< XVideo Motion Acceleration via common packet passing
     AV_PIX_FMT_XVMC_MPEG2_IDCT,
+#define AV_PIX_FMT_XVMC AV_PIX_FMT_XVMC_MPEG2_IDCT
 #endif /* FF_API_XVMC */
     AV_PIX_FMT_UYVY422,   ///< packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
     AV_PIX_FMT_UYYVYY411, ///< packed YUV 4:1:1, 12bpp, Cb Y0 Y1 Cr Y2 Y3
@@ -262,6 +263,9 @@ enum AVPixelFormat {
     AV_PIX_FMT_BAYER_GBRG16BE, ///< bayer, GBGB..(odd line), RGRG..(even line), 16-bit samples, big-endian */
     AV_PIX_FMT_BAYER_GRBG16LE, ///< bayer, GRGR..(odd line), BGBG..(even line), 16-bit samples, little-endian */
     AV_PIX_FMT_BAYER_GRBG16BE, ///< bayer, GRGR..(odd line), BGBG..(even line), 16-bit samples, big-endian */
+#if !FF_API_XVMC
+    AV_PIX_FMT_XVMC,///< XVideo Motion Acceleration via common packet passing
+#endif /* !FF_API_XVMC */
 
     AV_PIX_FMT_NB,        ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions