Merge commit 'e6d8acf6'

* commit 'e6d8acf6':
  indeo: use a typedef for the mc function pointer
  cabac: x86 version of get_cabac_bypass
  aic: use chroma scan tables while decoding luma component in progressive mode

Conflicts:
	libavcodec/aic.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/aic.c

@@ -196,11 +196,11 @@ static int aic_decode_header(AICContext *ctx, const uint8_t *src, int size)
     } while (0)
 
 static int aic_decode_coeffs(GetBitContext *gb, int16_t *dst,
-                             int band, int slice_width)
+                             int band, int slice_width, int force_chroma)
 {
     int has_skips, coeff_type, coeff_bits, skip_type, skip_bits;
     const int num_coeffs = aic_num_band_coeffs[band];
-    const uint8_t *scan = aic_scan[band];
+    const uint8_t *scan = aic_scan[band | force_chroma];
     int mb, idx;
     unsigned val;
 
@@ -322,7 +322,8 @@ static int aic_decode_slice(AICContext *ctx, int mb_x, int mb_y,
            sizeof(*ctx->slice_data) * slice_width * AIC_BAND_COEFFS);
     for (i = 0; i < NUM_BANDS; i++)
         if ((ret = aic_decode_coeffs(&gb, ctx->data_ptr[i],
-                                     i, slice_width)) < 0)
+                                     i, slice_width,
+                                     !ctx->interlaced)) < 0)
             return ret;
 
     for (mb = 0; mb < slice_width; mb++) {
@@ -337,7 +338,7 @@ static int aic_decode_slice(AICContext *ctx, int mb_x, int mb_y,
             ctx->dsp.idct(ctx->block);
 
             if (!ctx->interlaced) {
-                dst = Y + (blk & 1) * 8 * ystride + (blk >> 1) * 8;
+                dst = Y + (blk >> 1) * 8 * ystride + (blk & 1) * 8;
                 ctx->dsp.put_signed_pixels_clamped(ctx->block, dst,
                                                    ystride);
             } else {

libavcodec/cabac_functions.h

@@ -111,6 +111,7 @@ static int av_unused get_cabac(CABACContext *c, uint8_t * const state){
     return get_cabac_inline(c,state);
 }
 
+#ifndef get_cabac_bypass
 static int av_unused get_cabac_bypass(CABACContext *c){
     int range;
     c->low += c->low;
@@ -126,7 +127,7 @@ static int av_unused get_cabac_bypass(CABACContext *c){
         return 1;
     }
 }
-
+#endif
 
 #ifndef get_cabac_bypass_sign
 static av_always_inline int get_cabac_bypass_sign(CABACContext *c, int val){

libavcodec/ivi_common.c

@@ -41,6 +41,9 @@ extern const IVIHuffDesc ff_ivi_blk_huff_desc[8]; ///< static block huffman tabl
 static VLC ivi_mb_vlc_tabs [8]; ///< static macroblock Huffman tables
 static VLC ivi_blk_vlc_tabs[8]; ///< static block Huffman tables
 
+typedef void (*ivi_mc_func) (int16_t *buf, const int16_t *ref_buf,
+                             uint32_t pitch, int mc_type);
+
 /**
  *  Reverse "nbits" bits of the value "val" and return the result
  *  in the least significant bits.
@@ -401,8 +404,7 @@ static int ivi_decode_blocks(GetBitContext *gb, IVIBandDesc *band, IVITile *tile
     uint32_t    cbp, av_uninit(sym), lo, hi, quant, buf_offs, q;
     IVIMbInfo   *mb;
     RVMapDesc   *rvmap = band->rv_map;
-    void (*mc_with_delta_func)(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type);
-    void (*mc_no_delta_func)  (int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type);
+    ivi_mc_func mc_with_delta_func, mc_no_delta_func;
     const uint16_t  *base_tab;
     const uint8_t   *scale_tab;
 
@@ -576,8 +578,7 @@ static int ivi_process_empty_tile(AVCodecContext *avctx, IVIBandDesc *band,
     IVIMbInfo       *mb, *ref_mb;
     const int16_t   *src;
     int16_t         *dst;
-    void (*mc_no_delta_func)(int16_t *buf, const int16_t *ref_buf, uint32_t pitch,
-                             int mc_type);
+    ivi_mc_func     mc_no_delta_func;
 
     if (tile->num_MBs != IVI_MBs_PER_TILE(tile->width, tile->height, band->mb_size)) {
         av_log(avctx, AV_LOG_ERROR, "Allocated tile size %d mismatches "

libavcodec/x86/cabac.h

@@ -225,5 +225,45 @@ static av_always_inline int get_cabac_bypass_sign_x86(CABACContext *c, int val)
     return val;
 }
 
+#define get_cabac_bypass get_cabac_bypass_x86
+static av_always_inline int get_cabac_bypass_x86(CABACContext *c)
+{
+    x86_reg tmp;
+    int res;
+    __asm__ volatile(
+        "movl        %c6(%2), %k1       \n\t"
+        "movl        %c3(%2), %%eax     \n\t"
+        "shl             $17, %k1       \n\t"
+        "add           %%eax, %%eax     \n\t"
+        "sub             %k1, %%eax     \n\t"
+        "cltd                           \n\t"
+        "and           %%edx, %k1       \n\t"
+        "add             %k1, %%eax     \n\t"
+        "inc           %%edx            \n\t"
+        "test           %%ax, %%ax      \n\t"
+        "jnz              1f            \n\t"
+        "mov         %c4(%2), %1        \n\t"
+        "subl        $0xFFFF, %%eax     \n\t"
+        "movzwl         (%1), %%ecx     \n\t"
+        "bswap         %%ecx            \n\t"
+        "shrl            $15, %%ecx     \n\t"
+        "addl          %%ecx, %%eax     \n\t"
+        "cmp         %c5(%2), %1        \n\t"
+        "jge              1f            \n\t"
+        "add"OPSIZE"      $2, %c4(%2)   \n\t"
+        "1:                             \n\t"
+        "movl          %%eax, %c3(%2)   \n\t"
+
+        : "=&d"(res), "=&r"(tmp)
+        : "r"(c),
+          "i"(offsetof(CABACContext, low)),
+          "i"(offsetof(CABACContext, bytestream)),
+          "i"(offsetof(CABACContext, bytestream_end)),
+          "i"(offsetof(CABACContext, range))
+        : "%eax", "%ecx", "memory"
+    );
+    return res;
+}
+
 #endif /* HAVE_INLINE_ASM */
 #endif /* AVCODEC_X86_CABAC_H */