Merge remote-tracking branch 'qatar/master'

* qatar/master: (22 commits)
  H.264: fix filter_mb_fast with 4:4:4 + 8x8dct
  alsa: limit buffer_size to 32768 frames.
  alsa: fallback to buffer_size/4 for period_size.
  doc: replace @pxref by @ref where appropriate
  mpeg1video: don't abort if thread_count is too high.
  segafilm: add support for videos with cri adx adpcm
  gxf: Fix 25 fps DV material in GXF being misdetected as 50 fps
  libxvid: Add const qualifier to silence compiler warning.
  H.264: improve qp_thresh check
  H.264: use fill_rectangle in CABAC decoding
  H.264: Remove redundant hl_motion_16/8 code
  H.264: merge fill_rectangle into P-SKIP MV prediction, to match B-SKIP
  H.264: faster P-SKIP decoding
  H.264: av_always_inline some more functions
  H.264: Add x86 assembly for 10-bit H.264 predict functions
  swscale: rename uv_off/uv_off2 to uv_off_px/byte.
  swscale: implement error dithering in planarCopyWrapper.
  swscale: error dithering for 16/9/10-bit to 8-bit.
  swscale: fix overflow in 16-bit vertical scaling.
  swscale: fix crash in 8-bpc bilinear output without alpha.
  ...

Conflicts:
	doc/developer.texi
	libavdevice/alsa-audio.h
	libavformat/gxf.c
	libswscale/swscale.c
	libswscale/swscale_internal.h
	libswscale/swscale_unscaled.c
	libswscale/x86/swscale_template.c
	tests/ref/lavfi/pixdesc
	tests/ref/lavfi/pixfmts_copy
	tests/ref/lavfi/pixfmts_crop
	tests/ref/lavfi/pixfmts_hflip
	tests/ref/lavfi/pixfmts_null
	tests/ref/lavfi/pixfmts_scale
	tests/ref/lavfi/pixfmts_vflip
Merged-by: Michael Niedermayer <michaelni@gmx.at>

doc/developer.texi

@@ -244,7 +244,8 @@ Note, these rules are mostly borrowed from the MPlayer project.
 
 @section Submitting patches
 
-First, read the (@pxref{Coding Rules}) above if you did not yet.
+First, read the @ref{Coding Rules} above if you did not yet, in particular
+the rules regarding patch submission.
 
 When you submit your patch, please use @code{git format-patch} or
 @code{git send-email}. We cannot read other diffs :-)
@@ -259,8 +260,8 @@ for us and greatly increases your chances of getting your patch applied.
 Use the patcheck tool of FFmpeg to check your patch.
 The tool is located in the tools directory.
 
-Run the regression tests before submitting a patch so that you can
-verify that there are no big problems.
+Run the @ref{Regression Tests} before submitting a patch in order to verify
+it does not cause unexpected problems.
 
 Patches should be posted as base64 encoded attachments (or any other
 encoding which ensures that the patch will not be trashed during

doc/filters.texi

@@ -1013,8 +1013,7 @@ Erode an image by using a specific structuring element.
 This filter corresponds to the libopencv function @code{cvErode}.
 
 The filter accepts the parameters: @var{struct_el}:@var{nb_iterations},
-with the same meaning and use of those of the dilate filter
-(@pxref{dilate}).
+with the same syntax and semantics as the @ref{dilate} filter.
 
 @subsection smooth
 
@@ -1432,7 +1431,7 @@ setdar=16:9
 setdar=1.77777
 @end example
 
-See also the "setsar" filter documentation (@pxref{setsar}).
+See also the @ref{setsar} filter documentation.
 
 @section setpts
 
@@ -1978,8 +1977,7 @@ form @var{width}x@var{height} or a frame size abbreviation.
 the form @var{num}/@var{den} or a frame rate abbreviation.
 @var{src_name} is the name to the frei0r source to load. For more
 information regarding frei0r and how to set the parameters read the
-section "frei0r" (@pxref{frei0r}) in the description of the video
-filters.
+section @ref{frei0r} in the description of the video filters.
 
 Some examples follow:
 @example

doc/muxers.texi

@@ -51,7 +51,7 @@ and the input video converted to MPEG-2 video, use the command:
 ffmpeg -i INPUT -acodec pcm_u8 -vcodec mpeg2video -f crc -
 @end example
 
-See also the @code{framecrc} muxer (@pxref{framecrc}).
+See also the @ref{framecrc} muxer.
 
 @anchor{framecrc}
 @section framecrc
@@ -88,7 +88,7 @@ MPEG-2 video, use the command:
 ffmpeg -i INPUT -acodec pcm_u8 -vcodec mpeg2video -f framecrc -
 @end example
 
-See also the @code{crc} muxer (@pxref{crc}).
+See also the @ref{crc} muxer.
 
 @section image2
 

doc/texi2pod.pl

@@ -352,6 +352,7 @@ sub postprocess
     s/\(?\@xref\{(?:[^\}]*)\}(?:[^.<]|(?:<[^<>]*>))*\.\)?//g;
     s/\s+\(\@pxref\{(?:[^\}]*)\}\)//g;
     s/;\s+\@pxref\{(?:[^\}]*)\}//g;
+    s/\@ref\{([^\}]*)\}/$1/g;
     s/\@noindent\s*//g;
     s/\@refill//g;
     s/\@gol//g;

libavcodec/h264.c

@@ -778,24 +778,6 @@ static av_always_inline void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t
     prefetch_motion(h, 1, pixel_shift, chroma444);
 }
 
-#define hl_motion_fn(sh, bits) \
-static av_always_inline void hl_motion_ ## bits(H264Context *h, \
-                                       uint8_t *dest_y, \
-                                       uint8_t *dest_cb, uint8_t *dest_cr, \
-                                       qpel_mc_func (*qpix_put)[16], \
-                                       h264_chroma_mc_func (*chroma_put), \
-                                       qpel_mc_func (*qpix_avg)[16], \
-                                       h264_chroma_mc_func (*chroma_avg), \
-                                       h264_weight_func *weight_op, \
-                                       h264_biweight_func *weight_avg, \
-                                       int chroma444) \
-{ \
-    hl_motion(h, dest_y, dest_cb, dest_cr, qpix_put, chroma_put, \
-              qpix_avg, chroma_avg, weight_op, weight_avg, sh, chroma444); \
-}
-hl_motion_fn(0, 8);
-hl_motion_fn(1, 16);
-
 static void free_tables(H264Context *h, int free_rbsp){
     int i;
     H264Context *hx;
@@ -1443,7 +1425,7 @@ static void decode_postinit(H264Context *h, int setup_finished){
         ff_thread_finish_setup(s->avctx);
 }
 
-static inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int chroma444, int simple){
+static av_always_inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int chroma444, int simple){
     MpegEncContext * const s = &h->s;
     uint8_t *top_border;
     int top_idx = 1;
@@ -1518,7 +1500,7 @@ static inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src
     }
 }
 
-static inline void xchg_mb_border(H264Context *h, uint8_t *src_y,
+static av_always_inline void xchg_mb_border(H264Context *h, uint8_t *src_y,
                                   uint8_t *src_cb, uint8_t *src_cr,
                                   int linesize, int uvlinesize,
                                   int xchg, int chroma444,
@@ -1876,18 +1858,11 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple, i
             if(h->deblocking_filter)
                 xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0, 0, simple, pixel_shift);
         }else if(is_h264){
-            if (pixel_shift) {
-                hl_motion_16(h, dest_y, dest_cb, dest_cr,
-                             s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
-                             s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
-                             h->h264dsp.weight_h264_pixels_tab,
-                             h->h264dsp.biweight_h264_pixels_tab, 0);
-            } else
-                hl_motion_8(h, dest_y, dest_cb, dest_cr,
+            hl_motion(h, dest_y, dest_cb, dest_cr,
                       s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
                       s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
                       h->h264dsp.weight_h264_pixels_tab,
-                            h->h264dsp.biweight_h264_pixels_tab, 0);
+                      h->h264dsp.biweight_h264_pixels_tab, pixel_shift, 0);
         }
 
         hl_decode_mb_idct_luma(h, mb_type, is_h264, simple, transform_bypass, pixel_shift, block_offset, linesize, dest_y, 0);
@@ -2020,18 +1995,11 @@ static av_always_inline void hl_decode_mb_444_internal(H264Context *h, int simpl
             if(h->deblocking_filter)
                 xchg_mb_border(h, dest[0], dest[1], dest[2], linesize, linesize, 0, 1, simple, pixel_shift);
         }else{
-            if (pixel_shift) {
-                hl_motion_16(h, dest[0], dest[1], dest[2],
-                             s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
-                             s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
-                             h->h264dsp.weight_h264_pixels_tab,
-                             h->h264dsp.biweight_h264_pixels_tab, 1);
-            } else
-                hl_motion_8(h, dest[0], dest[1], dest[2],
+            hl_motion(h, dest[0], dest[1], dest[2],
                       s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
                       s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
                       h->h264dsp.weight_h264_pixels_tab,
-                            h->h264dsp.biweight_h264_pixels_tab, 1);
+                      h->h264dsp.biweight_h264_pixels_tab, pixel_shift, 1);
         }
 
         for (p = 0; p < plane_count; p++)
@@ -2966,7 +2934,9 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
             }
         }
     }
-    h->qp_thresh= 15 + 52 - FFMIN(h->slice_alpha_c0_offset, h->slice_beta_offset) - FFMAX3(0, h->pps.chroma_qp_index_offset[0], h->pps.chroma_qp_index_offset[1]);
+    h->qp_thresh = 15 + 52 - FFMIN(h->slice_alpha_c0_offset, h->slice_beta_offset)
+                 - FFMAX3(0, h->pps.chroma_qp_index_offset[0], h->pps.chroma_qp_index_offset[1])
+                 + 6 * (h->sps.bit_depth_luma - 8);
 
 #if 0 //FMO
     if( h->pps.num_slice_groups > 1  && h->pps.mb_slice_group_map_type >= 3 && h->pps.mb_slice_group_map_type <= 5)

libavcodec/h264.h

@@ -766,11 +766,11 @@ static av_always_inline uint16_t pack8to16(int a, int b){
 /**
  * gets the chroma qp.
  */
-static inline int get_chroma_qp(H264Context *h, int t, int qscale){
+static av_always_inline int get_chroma_qp(H264Context *h, int t, int qscale){
     return h->pps.chroma_qp_table[t][qscale];
 }
 
-static inline void pred_pskip_motion(H264Context * const h, int * const mx, int * const my);
+static av_always_inline void pred_pskip_motion(H264Context * const h);
 
 static void fill_decode_neighbors(H264Context *h, int mb_type){
     MpegEncContext * const s = &h->s;
@@ -1327,14 +1327,10 @@ static void av_unused decode_mb_skip(H264Context *h){
     }
     else
     {
-        int mx, my;
         mb_type|= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P1L0|MB_TYPE_SKIP;
 
         fill_decode_neighbors(h, mb_type);
-        fill_decode_caches(h, mb_type); //FIXME check what is needed and what not ...
-        pred_pskip_motion(h, &mx, &my);
-        fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);
-        fill_rectangle(  h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mx,my), 4);
+        pred_pskip_motion(h);
     }
 
     write_back_motion(h, mb_type);

libavcodec/h264_cabac.c

@@ -1819,8 +1819,7 @@ static av_always_inline void decode_cabac_luma_residual( H264Context *h, const u
                     }
                 }
             } else {
-                uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8+16*p] ];
-                nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0;
+                fill_rectangle(&h->non_zero_count_cache[scan8[4*i8x8+16*p]], 2, 2, 8, 0, 1);
             }
         }
     }

libavcodec/h264_loopfilter.c

@@ -216,7 +216,7 @@ void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y,
     MpegEncContext * const s = &h->s;
     int mb_xy;
     int mb_type, left_type, top_type;
-    int qp, qp0, qp1, qpc, qpc0, qpc1, qp_thresh;
+    int qp, qp0, qp1, qpc, qpc0, qpc1;
     int chroma = !(CONFIG_GRAY && (s->flags&CODEC_FLAG_GRAY));
     int chroma444 = CHROMA444;
 
@@ -241,10 +241,6 @@ void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y,
     qp1 = (qp + qp1 + 1) >> 1;
     qpc0 = (qpc + qpc0 + 1) >> 1;
     qpc1 = (qpc + qpc1 + 1) >> 1;
-    qp_thresh = 15+52 - h->slice_alpha_c0_offset;
-    if(qp <= qp_thresh && qp0 <= qp_thresh && qp1 <= qp_thresh &&
-       qpc <= qp_thresh && qpc0 <= qp_thresh && qpc1 <= qp_thresh)
-        return;
 
     if( IS_INTRA(mb_type) ) {
         static const int16_t bS4[4] = {4,4,4,4};
@@ -321,7 +317,7 @@ void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y,
     } else {
         LOCAL_ALIGNED_8(int16_t, bS, [2], [4][4]);
         int edges;
-        if( IS_8x8DCT(mb_type) && (h->cbp&7) == 7 ) {
+        if( IS_8x8DCT(mb_type) && (h->cbp&7) == 7 && !chroma444 ) {
             edges = 4;
             AV_WN64A(bS[0][0], 0x0002000200020002ULL);
             AV_WN64A(bS[0][2], 0x0002000200020002ULL);

libavcodec/h264_mvpred.h

@@ -35,7 +35,7 @@
 //#undef NDEBUG
 #include <assert.h>
 
-static inline int fetch_diagonal_mv(H264Context *h, const int16_t **C, int i, int list, int part_width){
+static av_always_inline int fetch_diagonal_mv(H264Context *h, const int16_t **C, int i, int list, int part_width){
     const int topright_ref= h->ref_cache[list][ i - 8 + part_width ];
     MpegEncContext *s = &h->s;
 
@@ -92,7 +92,7 @@ static inline int fetch_diagonal_mv(H264Context *h, const int16_t **C, int i, in
  * @param mx the x component of the predicted motion vector
  * @param my the y component of the predicted motion vector
  */
-static inline void pred_motion(H264Context * const h, int n, int part_width, int list, int ref, int * const mx, int * const my){
+static av_always_inline void pred_motion(H264Context * const h, int n, int part_width, int list, int ref, int * const mx, int * const my){
     const int index8= scan8[n];
     const int top_ref=      h->ref_cache[list][ index8 - 8 ];
     const int left_ref=     h->ref_cache[list][ index8 - 1 ];
@@ -147,7 +147,7 @@ static inline void pred_motion(H264Context * const h, int n, int part_width, int
  * @param mx the x component of the predicted motion vector
  * @param my the y component of the predicted motion vector
  */
-static inline void pred_16x8_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
+static av_always_inline void pred_16x8_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
     if(n==0){
         const int top_ref=      h->ref_cache[list][ scan8[0] - 8 ];
         const int16_t * const B= h->mv_cache[list][ scan8[0] - 8 ];
@@ -182,7 +182,7 @@ static inline void pred_16x8_motion(H264Context * const h, int n, int list, int
  * @param mx the x component of the predicted motion vector
  * @param my the y component of the predicted motion vector
  */
-static inline void pred_8x16_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
+static av_always_inline void pred_8x16_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
     if(n==0){
         const int left_ref=      h->ref_cache[list][ scan8[0] - 1 ];
         const int16_t * const A=  h->mv_cache[list][ scan8[0] - 1 ];
@@ -213,22 +213,117 @@ static inline void pred_8x16_motion(H264Context * const h, int n, int list, int
     pred_motion(h, n, 2, list, ref, mx, my);
 }
 
-static inline void pred_pskip_motion(H264Context * const h, int * const mx, int * const my){
-    const int top_ref = h->ref_cache[0][ scan8[0] - 8 ];
-    const int left_ref= h->ref_cache[0][ scan8[0] - 1 ];
+#define FIX_MV_MBAFF(type, refn, mvn, idx)\
+    if(FRAME_MBAFF){\
+        if(MB_FIELD){\
+            if(!IS_INTERLACED(type)){\
+                refn <<= 1;\
+                AV_COPY32(mvbuf[idx], mvn);\
+                mvbuf[idx][1] /= 2;\
+                mvn = mvbuf[idx];\
+            }\
+        }else{\
+            if(IS_INTERLACED(type)){\
+                refn >>= 1;\
+                AV_COPY32(mvbuf[idx], mvn);\
+                mvbuf[idx][1] <<= 1;\
+                mvn = mvbuf[idx];\
+            }\
+        }\
+    }
 
-    tprintf(h->s.avctx, "pred_pskip: (%d) (%d) at %2d %2d\n", top_ref, left_ref, h->s.mb_x, h->s.mb_y);
+static av_always_inline void pred_pskip_motion(H264Context * const h){
+    DECLARE_ALIGNED(4, static const int16_t, zeromv)[2] = {0};
+    DECLARE_ALIGNED(4, int16_t, mvbuf)[3][2];
+    MpegEncContext * const s = &h->s;
+    int8_t *ref = s->current_picture.ref_index[0];
+    int16_t (*mv)[2] = s->current_picture.motion_val[0];
+    int top_ref, left_ref, diagonal_ref, match_count, mx, my;
+    const int16_t *A, *B, *C;
+    int b_stride = h->b_stride;
+
+    fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);
+
+    /* To avoid doing an entire fill_decode_caches, we inline the relevant parts here.
+     * FIXME: this is a partial duplicate of the logic in fill_decode_caches, but it's
+     * faster this way.  Is there a way to avoid this duplication?
+     */
+    if(USES_LIST(h->left_type[LTOP], 0)){
+        left_ref = ref[4*h->left_mb_xy[LTOP] + 1 + (h->left_block[0]&~1)];
+        A = mv[h->mb2b_xy[h->left_mb_xy[LTOP]] + 3 + b_stride*h->left_block[0]];
+        FIX_MV_MBAFF(h->left_type[LTOP], left_ref, A, 0);
+        if(!(left_ref | AV_RN32A(A))){
+            goto zeromv;
+        }
+    }else if(h->left_type[LTOP]){
+        left_ref = LIST_NOT_USED;
+        A = zeromv;
+    }else{
+        goto zeromv;
+    }
 
-    if(top_ref == PART_NOT_AVAILABLE || left_ref == PART_NOT_AVAILABLE
-       || !( top_ref | AV_RN32A(h->mv_cache[0][ scan8[0] - 8 ]))
-       || !(left_ref | AV_RN32A(h->mv_cache[0][ scan8[0] - 1 ]))){
+    if(USES_LIST(h->top_type, 0)){
+        top_ref = ref[4*h->top_mb_xy + 2];
+        B = mv[h->mb2b_xy[h->top_mb_xy] + 3*b_stride];
+        FIX_MV_MBAFF(h->top_type, top_ref, B, 1);
+        if(!(top_ref | AV_RN32A(B))){
+            goto zeromv;
+        }
+    }else if(h->top_type){
+        top_ref = LIST_NOT_USED;
+        B = zeromv;
+    }else{
+        goto zeromv;
+    }
 
-        *mx = *my = 0;
-        return;
+    tprintf(h->s.avctx, "pred_pskip: (%d) (%d) at %2d %2d\n", top_ref, left_ref, h->s.mb_x, h->s.mb_y);
+
+    if(USES_LIST(h->topright_type, 0)){
+        diagonal_ref = ref[4*h->topright_mb_xy + 2];
+        C = mv[h->mb2b_xy[h->topright_mb_xy] + 3*b_stride];
+        FIX_MV_MBAFF(h->topright_type, diagonal_ref, C, 2);
+    }else if(h->topright_type){
+        diagonal_ref = LIST_NOT_USED;
+        C = zeromv;
+    }else{
+        if(USES_LIST(h->topleft_type, 0)){
+            diagonal_ref = ref[4*h->topleft_mb_xy + 1 + (h->topleft_partition & 2)];
+            C = mv[h->mb2b_xy[h->topleft_mb_xy] + 3 + b_stride + (h->topleft_partition & 2*b_stride)];
+            FIX_MV_MBAFF(h->topleft_type, diagonal_ref, C, 2);
+        }else if(h->topleft_type){
+            diagonal_ref = LIST_NOT_USED;
+            C = zeromv;
+        }else{
+            diagonal_ref = PART_NOT_AVAILABLE;
+            C = zeromv;
+        }
     }
 
-    pred_motion(h, 0, 4, 0, 0, mx, my);
+    match_count= !diagonal_ref + !top_ref + !left_ref;
+    tprintf(h->s.avctx, "pred_pskip_motion match_count=%d\n", match_count);
+    if(match_count > 1){
+        mx = mid_pred(A[0], B[0], C[0]);
+        my = mid_pred(A[1], B[1], C[1]);
+    }else if(match_count==1){
+        if(!left_ref){
+            mx = A[0];
+            my = A[1];
+        }else if(!top_ref){
+            mx = B[0];
+            my = B[1];
+        }else{
+            mx = C[0];
+            my = C[1];
+        }
+    }else{
+        mx = mid_pred(A[0], B[0], C[0]);
+        my = mid_pred(A[1], B[1], C[1]);
+    }
 
+    fill_rectangle( h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mx,my), 4);
+    return;
+zeromv:
+    fill_rectangle( h->mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);
     return;
 }
 

libavcodec/libxvidff.c

@@ -750,7 +750,7 @@ static int xvid_ff_2pass_before(struct xvid_context *ref,
 static int xvid_ff_2pass_after(struct xvid_context *ref,
                                 xvid_plg_data_t *param) {
     char *log = ref->twopassbuffer;
-    char *frame_types = " ipbs";
+    const char *frame_types = " ipbs";
     char frame_type;
 
     /* Quick bounds check */

libavcodec/mpegvideo.c

@@ -575,7 +575,11 @@ void MPV_decode_defaults(MpegEncContext *s){
  */
 av_cold int MPV_common_init(MpegEncContext *s)
 {
-    int y_size, c_size, yc_size, i, mb_array_size, mv_table_size, x, y, threads;
+    int y_size, c_size, yc_size, i, mb_array_size, mv_table_size, x, y,
+        threads = (s->encoding ||
+                   (HAVE_THREADS &&
+                    s->avctx->active_thread_type & FF_THREAD_SLICE)) ?
+                  s->avctx->thread_count : 1;
 
     if(s->codec_id == CODEC_ID_MPEG2VIDEO && !s->progressive_sequence)
         s->mb_height = (s->height + 31) / 32 * 2;
@@ -589,8 +593,10 @@ av_cold int MPV_common_init(MpegEncContext *s)
 
     if((s->encoding || (s->avctx->active_thread_type & FF_THREAD_SLICE)) &&
        (s->avctx->thread_count > MAX_THREADS || (s->avctx->thread_count > s->mb_height && s->mb_height))){
-        av_log(s->avctx, AV_LOG_ERROR, "too many threads\n");
-        return -1;
+        int max_threads = FFMIN(MAX_THREADS, s->mb_height);
+        av_log(s->avctx, AV_LOG_WARNING, "too many threads (%d), reducing to %d\n",
+               s->avctx->thread_count, max_threads);
+        threads = max_threads;
     }
 
     if((s->width || s->height) && av_image_check_size(s->width, s->height, 0, s->avctx))
@@ -747,8 +753,6 @@ av_cold int MPV_common_init(MpegEncContext *s)
     s->thread_context[0]= s;
 
     if (s->encoding || (HAVE_THREADS && s->avctx->active_thread_type&FF_THREAD_SLICE)) {
-        threads = s->avctx->thread_count;
-
         for(i=1; i<threads; i++){
             s->thread_context[i]= av_malloc(sizeof(MpegEncContext));
             memcpy(s->thread_context[i], s, sizeof(MpegEncContext));

libavcodec/x86/dsputil_mmx.c

@@ -42,7 +42,7 @@ DECLARE_ALIGNED(8,  const uint64_t, ff_wtwo) = 0x0002000200020002ULL;
 DECLARE_ALIGNED(16, const uint64_t, ff_pdw_80000000)[2] =
 {0x8000000080000000ULL, 0x8000000080000000ULL};
 
-DECLARE_ALIGNED(8,  const uint64_t, ff_pw_1  ) = 0x0001000100010001ULL;
+DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_1  ) = {0x0001000100010001ULL, 0x0001000100010001ULL};
 DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_2  ) = {0x0002000200020002ULL, 0x0002000200020002ULL};
 DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_3  ) = {0x0003000300030003ULL, 0x0003000300030003ULL};
 DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_4  ) = {0x0004000400040004ULL, 0x0004000400040004ULL};

libavcodec/x86/h264_intrapred_init.c

@@ -43,9 +43,41 @@ PRED4x4(horizontal_down, 10, avx)
 #define PRED8x8(TYPE, DEPTH, OPT) \
 void ff_pred8x8_ ## TYPE ## _ ## DEPTH ## _ ## OPT (uint8_t *src, int stride);
 
+PRED8x8(dc, 10, mmxext)
+PRED8x8(dc, 10, sse2)
+PRED8x8(top_dc, 10, mmxext)
+PRED8x8(top_dc, 10, sse2)
 PRED8x8(vertical, 10, sse2)
 PRED8x8(horizontal, 10, sse2)
 
+#define PRED8x8L(TYPE, DEPTH, OPT)\
+void ff_pred8x8l_ ## TYPE ## _ ## DEPTH ## _ ## OPT (uint8_t *src, int has_topleft, int has_topright, int stride);
+
+PRED8x8L(dc, 10, sse2)
+PRED8x8L(dc, 10, ssse3)
+PRED8x8L(top_dc, 10, sse2)
+PRED8x8L(top_dc, 10, ssse3)
+PRED8x8L(vertical, 10, sse2)
+PRED8x8L(vertical, 10, ssse3)
+PRED8x8L(horizontal, 10, sse2)
+PRED8x8L(horizontal, 10, ssse3)
+PRED8x8L(down_left, 10, sse2)
+PRED8x8L(down_left, 10, ssse3)
+PRED8x8L(down_right, 10, sse2)
+PRED8x8L(down_right, 10, ssse3)
+PRED8x8L(vertical_right, 10, sse2)
+PRED8x8L(vertical_right, 10, ssse3)
+PRED8x8L(horizontal_up, 10, sse2)
+PRED8x8L(horizontal_up, 10, ssse3)
+
+#define PRED16x16(TYPE, DEPTH, OPT)\
+void ff_pred16x16_ ## TYPE ## _ ## DEPTH ## _ ## OPT (uint8_t *src, int stride);
+
+PRED16x16(vertical, 10, mmxext)
+PRED16x16(vertical, 10, sse2)
+PRED16x16(horizontal, 10, mmxext)
+PRED16x16(horizontal, 10, sse2)
+
 void ff_pred16x16_vertical_mmx     (uint8_t *src, int stride);
 void ff_pred16x16_vertical_sse     (uint8_t *src, int stride);
 void ff_pred16x16_horizontal_mmx   (uint8_t *src, int stride);
@@ -253,6 +285,12 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id, const int bit_depth
         if (mm_flags & AV_CPU_FLAG_MMX2) {
             h->pred4x4[DC_PRED             ] = ff_pred4x4_dc_10_mmxext;
             h->pred4x4[HOR_UP_PRED         ] = ff_pred4x4_horizontal_up_10_mmxext;
+
+            h->pred8x8[DC_PRED8x8          ] = ff_pred8x8_dc_10_mmxext;
+            h->pred8x8[TOP_DC_PRED8x8      ] = ff_pred8x8_top_dc_10_mmxext;
+
+            h->pred16x16[VERT_PRED8x8      ] = ff_pred16x16_vertical_10_mmxext;
+            h->pred16x16[HOR_PRED8x8       ] = ff_pred16x16_horizontal_10_mmxext;
         }
         if (mm_flags & AV_CPU_FLAG_SSE2) {
             h->pred4x4[DIAG_DOWN_LEFT_PRED ] = ff_pred4x4_down_left_10_sse2;
@@ -261,13 +299,33 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id, const int bit_depth
             h->pred4x4[VERT_RIGHT_PRED     ] = ff_pred4x4_vertical_right_10_sse2;
             h->pred4x4[HOR_DOWN_PRED       ] = ff_pred4x4_horizontal_down_10_sse2;
 
+            h->pred8x8[DC_PRED8x8          ] = ff_pred8x8_dc_10_sse2;
+            h->pred8x8[TOP_DC_PRED8x8      ] = ff_pred8x8_top_dc_10_sse2;
             h->pred8x8[VERT_PRED8x8        ] = ff_pred8x8_vertical_10_sse2;
             h->pred8x8[HOR_PRED8x8         ] = ff_pred8x8_horizontal_10_sse2;
+
+            h->pred8x8l[VERT_PRED           ] = ff_pred8x8l_vertical_10_sse2;
+            h->pred8x8l[HOR_PRED            ] = ff_pred8x8l_horizontal_10_sse2;
+            h->pred8x8l[DC_PRED             ] = ff_pred8x8l_dc_10_sse2;
+            h->pred8x8l[TOP_DC_PRED         ] = ff_pred8x8l_top_dc_10_sse2;
+            h->pred8x8l[DIAG_DOWN_LEFT_PRED ] = ff_pred8x8l_down_left_10_sse2;
+            h->pred8x8l[DIAG_DOWN_RIGHT_PRED] = ff_pred8x8l_down_right_10_sse2;
+            h->pred8x8l[VERT_RIGHT_PRED     ] = ff_pred8x8l_vertical_right_10_sse2;
+            h->pred8x8l[HOR_UP_PRED         ] = ff_pred8x8l_horizontal_up_10_sse2;
+
+            h->pred16x16[VERT_PRED8x8      ] = ff_pred16x16_vertical_10_sse2;
+            h->pred16x16[HOR_PRED8x8       ] = ff_pred16x16_horizontal_10_sse2;
         }
         if (mm_flags & AV_CPU_FLAG_SSSE3) {
             h->pred4x4[DIAG_DOWN_RIGHT_PRED] = ff_pred4x4_down_right_10_ssse3;
             h->pred4x4[VERT_RIGHT_PRED     ] = ff_pred4x4_vertical_right_10_ssse3;
             h->pred4x4[HOR_DOWN_PRED       ] = ff_pred4x4_horizontal_down_10_ssse3;
+
+            h->pred8x8l[VERT_PRED           ] = ff_pred8x8l_vertical_10_ssse3;
+            h->pred8x8l[HOR_PRED            ] = ff_pred8x8l_horizontal_10_ssse3;
+            h->pred8x8l[DC_PRED             ] = ff_pred8x8l_dc_10_ssse3;
+            h->pred8x8l[TOP_DC_PRED         ] = ff_pred8x8l_top_dc_10_ssse3;
+            h->pred8x8l[DIAG_DOWN_LEFT_PRED ] = ff_pred8x8l_down_left_10_ssse3;
         }
 #if HAVE_AVX
         if (mm_flags & AV_CPU_FLAG_AVX) {

libavcodec/x86/x86util.asm

@@ -528,6 +528,14 @@
 %endif
 %endmacro
 
+%macro SPLATD 2-3 0
+%if mmsize == 16
+    pshufd %1, %2, (%3)*0x55
+%else
+    pshufw %1, %2, (%3)*0x11 + ((%3)+1)*0x44
+%endif
+%endmacro
+
 %macro CLIPW 3 ;(dst, min, max)
     pmaxsw %1, %2
     pminsw %1, %3

libavdevice/alsa-audio-common.c

@@ -260,6 +260,7 @@ av_cold int ff_alsa_open(AVFormatContext *ctx, snd_pcm_stream_t mode,
     }
 
     snd_pcm_hw_params_get_buffer_size_max(hw_params, &buffer_size);
+    buffer_size = FFMIN(buffer_size, ALSA_BUFFER_SIZE_MAX);
     /* TODO: maybe use ctx->max_picture_buffer somehow */
     res = snd_pcm_hw_params_set_buffer_size_near(h, hw_params, &buffer_size);
     if (res < 0) {
@@ -269,6 +270,8 @@ av_cold int ff_alsa_open(AVFormatContext *ctx, snd_pcm_stream_t mode,
     }
 
     snd_pcm_hw_params_get_period_size_min(hw_params, &period_size, NULL);
+    if (!period_size)
+        period_size = buffer_size / 4;
     res = snd_pcm_hw_params_set_period_size_near(h, hw_params, &period_size, NULL);
     if (res < 0) {
         av_log(ctx, AV_LOG_ERROR, "cannot set ALSA period size (%s)\n",

libavdevice/alsa-audio.h

@@ -43,6 +43,8 @@
 
 typedef void (*ff_reorder_func)(const void *, void *, int);
 
+#define ALSA_BUFFER_SIZE_MAX 32768
+
 typedef struct {
     AVClass *class;
     snd_pcm_t *h;

libavformat/gxf.c

@@ -264,7 +264,7 @@ static int gxf_header(AVFormatContext *s, AVFormatParameters *ap) {
     int map_len;
     int len;
     AVRational main_timebase = {0, 0};
-    struct gxf_stream_info si;
+    struct gxf_stream_info *si = s->priv_data;
     int i;
     if (!parse_packet_header(pb, &pkt_type, &map_len) || pkt_type != PKT_MAP) {
         av_log(s, AV_LOG_ERROR, "map packet not found\n");
@@ -282,7 +282,7 @@ static int gxf_header(AVFormatContext *s, AVFormatParameters *ap) {
         return 0;
     }
     map_len -= len;
-    gxf_material_tags(pb, &len, &si);
+    gxf_material_tags(pb, &len, si);
     avio_skip(pb, len);
     map_len -= 2;
     len = avio_rb16(pb); // length of track description
@@ -300,7 +300,7 @@ static int gxf_header(AVFormatContext *s, AVFormatParameters *ap) {
         track_id = avio_r8(pb);
         track_len = avio_rb16(pb);
         len -= track_len;
-        gxf_track_tags(pb, &track_len, &si);
+        gxf_track_tags(pb, &track_len, si);
         avio_skip(pb, track_len);
         if (!(track_type & 0x80)) {
            av_log(s, AV_LOG_ERROR, "invalid track type %x\n", track_type);
@@ -316,12 +316,12 @@ static int gxf_header(AVFormatContext *s, AVFormatParameters *ap) {
         if (idx < 0) continue;
         st = s->streams[idx];
         if (!main_timebase.num || !main_timebase.den) {
-            main_timebase.num = si.frames_per_second.den;
-            main_timebase.den = si.frames_per_second.num * 2;
+            main_timebase.num = si->frames_per_second.den;
+            main_timebase.den = si->frames_per_second.num * 2;
         }
-        st->start_time = si.first_field;
-        if (si.first_field != AV_NOPTS_VALUE && si.last_field != AV_NOPTS_VALUE)
-            st->duration = si.last_field - si.first_field;
+        st->start_time = si->first_field;
+        if (si->first_field != AV_NOPTS_VALUE && si->last_field != AV_NOPTS_VALUE)
+            st->duration = si->last_field - si->first_field;
     }
     if (len < 0)
         av_log(s, AV_LOG_ERROR, "invalid track description length specified\n");
@@ -422,7 +422,9 @@ static int gxf_packet(AVFormatContext *s, AVPacket *pkt) {
     AVIOContext *pb = s->pb;
     GXFPktType pkt_type;
     int pkt_len;
-    while (!url_feof(pb)) {
+    struct gxf_stream_info *si = s->priv_data;
+
+    while (!pb->eof_reached) {
         AVStream *st;
         int track_type, track_id, ret;
         int field_nr, field_info, skip = 0;
@@ -473,6 +475,11 @@ static int gxf_packet(AVFormatContext *s, AVPacket *pkt) {
             avio_skip(pb, skip);
         pkt->stream_index = stream_index;
         pkt->dts = field_nr;
+
+        //set duration manually for DV or else lavf misdetects the frame rate
+        if (st->codec->codec_id == CODEC_ID_DVVIDEO)
+            pkt->duration = si->fields_per_frame;
+
         return ret;
     }
     return AVERROR(EIO);
@@ -518,7 +525,7 @@ static int64_t gxf_read_timestamp(AVFormatContext *s, int stream_index,
 AVInputFormat ff_gxf_demuxer = {
     "gxf",
     NULL_IF_CONFIG_SMALL("GXF format"),
-    0,
+    sizeof(struct gxf_stream_info),
     gxf_probe,
     gxf_header,
     gxf_packet,

libavformat/segafilm.c

@@ -111,7 +111,9 @@ static int film_read_header(AVFormatContext *s,
         film->audio_samplerate = AV_RB16(&scratch[24]);
         film->audio_channels = scratch[21];
         film->audio_bits = scratch[22];
-        if (film->audio_bits == 8)
+        if (scratch[23] == 2)
+            film->audio_type = CODEC_ID_ADPCM_ADX;
+        else if (film->audio_bits == 8)
             film->audio_type = CODEC_ID_PCM_S8;
         else if (film->audio_bits == 16)
             film->audio_type = CODEC_ID_PCM_S16BE;
@@ -149,14 +151,21 @@ static int film_read_header(AVFormatContext *s,
         st->codec->codec_id = film->audio_type;
         st->codec->codec_tag = 1;
         st->codec->channels = film->audio_channels;
-        st->codec->bits_per_coded_sample = film->audio_bits;
         st->codec->sample_rate = film->audio_samplerate;
-        st->codec->bit_rate = st->codec->channels * st->codec->sample_rate *
-            st->codec->bits_per_coded_sample;
+
+        if (film->audio_type == CODEC_ID_ADPCM_ADX) {
+            st->codec->bits_per_coded_sample = 18 * 8 / 32;
+            st->codec->block_align = st->codec->channels * 18;
+        } else {
+            st->codec->bits_per_coded_sample = film->audio_bits;
             st->codec->block_align = st->codec->channels *
                 st->codec->bits_per_coded_sample / 8;
         }
 
+        st->codec->bit_rate = st->codec->channels * st->codec->sample_rate *
+            st->codec->bits_per_coded_sample;
+    }
+
     /* load the sample table */
     if (avio_read(pb, scratch, 16) != 16)
         return AVERROR(EIO);
@@ -187,6 +196,10 @@ static int film_read_header(AVFormatContext *s,
             film->sample_table[i].pts *= film->base_clock;
             film->sample_table[i].pts /= film->audio_samplerate;
 
+            if (film->audio_type == CODEC_ID_ADPCM_ADX)
+                audio_frame_counter += (film->sample_table[i].sample_size * 32 /
+                    (18 * film->audio_channels));
+            else
                 audio_frame_counter += (film->sample_table[i].sample_size /
                     (film->audio_channels * film->audio_bits / 8));
         } else {
@@ -227,7 +240,8 @@ static int film_read_packet(AVFormatContext *s,
             return AVERROR(ENOMEM);
         avio_read(pb, pkt->data, sample->sample_size);
     } else if ((sample->stream == film->audio_stream_index) &&
-        (film->audio_channels == 2)) {
+        (film->audio_channels == 2) &&
+        (film->audio_type != CODEC_ID_ADPCM_ADX)) {
         /* stereo PCM needs to be interleaved */
 
         if (av_new_packet(pkt, sample->sample_size))