avcodec/jpeg2000dwt: Replace /2 by >>1

[ffmpeg] / libavcodec / mpegvideo_enc.c

diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index d7279c15d3483fe929958b9c7df18e543b2f7a37..e729d36aa26f2031261ce991859789073b840291 100644 (file)
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -43,6 +43,7 @@
 #include "mpegvideodata.h"
 #include "h261.h"
 #include "h263.h"
+#include "h263data.h"
 #include "mjpegenc_common.h"
 #include "mathops.h"
 #include "mpegutils.h"
@@ -58,6 +59,7 @@
 #include "internal.h"
 #include "bytestream.h"
 #include "wmv2.h"
+#include "rv10.h"
 #include <limits.h>
 #include "sp5x.h"
 
@@ -1075,6 +1077,13 @@ static int get_intra_count(MpegEncContext *s, uint8_t *src,
     return acc;
 }
 
+static int alloc_picture(MpegEncContext *s, Picture *pic, int shared)
+{
+    return ff_alloc_picture(s->avctx, pic, &s->me, &s->sc, shared, 1,
+                            s->chroma_x_shift, s->chroma_y_shift, s->out_format,
+                            s->mb_stride, s->mb_width, s->mb_height, s->b8_stride,
+                            &s->linesize, &s->uvlinesize);
+}
 
 static int load_input_picture(MpegEncContext *s, const AVFrame *pic_arg)
 {
@@ -1144,7 +1153,7 @@ static int load_input_picture(MpegEncContext *s, const AVFrame *pic_arg)
             if ((ret = av_frame_ref(pic->f, pic_arg)) < 0)
                 return ret;
         }
-        ret = ff_alloc_picture(s, pic, direct);
+        ret = alloc_picture(s, pic, direct);
         if (ret < 0)
             return ret;
 
@@ -1536,7 +1545,7 @@ no_output_pic:
             pic = &s->picture[i];
 
             pic->reference = s->reordered_input_picture[0]->reference;
-            if (ff_alloc_picture(s, pic, 0) < 0) {
+            if (alloc_picture(s, pic, 0) < 0) {
                 return -1;
             }
 
@@ -2100,7 +2109,7 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s,
              (mb_y * mb_block_height * wrap_c) + mb_x * mb_block_width;
 
     if((mb_x * 16 + 16 > s->width || mb_y * 16 + 16 > s->height) && s->codec_id != AV_CODEC_ID_AMV){
-        uint8_t *ebuf = s->edge_emu_buffer + 36 * wrap_y;
+        uint8_t *ebuf = s->sc.edge_emu_buffer + 36 * wrap_y;
         int cw = (s->width  + s->chroma_x_shift) >> s->chroma_x_shift;
         int ch = (s->height + s->chroma_y_shift) >> s->chroma_y_shift;
         s->vdsp.emulated_edge_mc(ebuf, ptr_y,
@@ -2512,9 +2521,9 @@ static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegE
 
     if(*next_block){
         memcpy(dest_backup, s->dest, sizeof(s->dest));
-        s->dest[0] = s->rd_scratchpad;
-        s->dest[1] = s->rd_scratchpad + 16*s->linesize;
-        s->dest[2] = s->rd_scratchpad + 16*s->linesize + 8;
+        s->dest[0] = s->sc.rd_scratchpad;
+        s->dest[1] = s->sc.rd_scratchpad + 16*s->linesize;
+        s->dest[2] = s->sc.rd_scratchpad + 16*s->linesize + 8;
         av_assert0(s->linesize >= 32); //FIXME
     }
 
@@ -3213,9 +3222,9 @@ static int encode_thread(AVCodecContext *c, void *arg){
                     ff_h263_update_motion_val(s);
 
                 if(next_block==0){ //FIXME 16 vs linesize16
-                    s->hdsp.put_pixels_tab[0][0](s->dest[0], s->rd_scratchpad                     , s->linesize  ,16);
-                    s->hdsp.put_pixels_tab[1][0](s->dest[1], s->rd_scratchpad + 16*s->linesize    , s->uvlinesize, 8);
-                    s->hdsp.put_pixels_tab[1][0](s->dest[2], s->rd_scratchpad + 16*s->linesize + 8, s->uvlinesize, 8);
+                    s->hdsp.put_pixels_tab[0][0](s->dest[0], s->sc.rd_scratchpad                     , s->linesize  ,16);
+                    s->hdsp.put_pixels_tab[1][0](s->dest[1], s->sc.rd_scratchpad + 16*s->linesize    , s->uvlinesize, 8);
+                    s->hdsp.put_pixels_tab[1][0](s->dest[2], s->sc.rd_scratchpad + 16*s->linesize + 8, s->uvlinesize, 8);
                 }
 
                 if(s->avctx->mb_decision == FF_MB_DECISION_BITS)
@@ -4482,6 +4491,42 @@ STOP_TIMER("iterative search")
     return last_non_zero;
 }
 
+/**
+ * Permute an 8x8 block according to permuatation.
+ * @param block the block which will be permuted according to
+ *              the given permutation vector
+ * @param permutation the permutation vector
+ * @param last the last non zero coefficient in scantable order, used to
+ *             speed the permutation up
+ * @param scantable the used scantable, this is only used to speed the
+ *                  permutation up, the block is not (inverse) permutated
+ *                  to scantable order!
+ */
+static void block_permute(int16_t *block, uint8_t *permutation,
+                          const uint8_t *scantable, int last)
+{
+    int i;
+    int16_t temp[64];
+
+    if (last <= 0)
+        return;
+    //FIXME it is ok but not clean and might fail for some permutations
+    // if (permutation[1] == 1)
+    // return;
+
+    for (i = 0; i <= last; i++) {
+        const int j = scantable[i];
+        temp[j] = block[j];
+        block[j] = 0;
+    }
+
+    for (i = 0; i <= last; i++) {
+        const int j = scantable[i];
+        const int perm_j = permutation[j];
+        block[perm_j] = temp[j];
+    }
+}
+
 int ff_dct_quantize_c(MpegEncContext *s,
                         int16_t *block, int n,
                         int qscale, int *overflow)
@@ -4557,8 +4602,8 @@ int ff_dct_quantize_c(MpegEncContext *s,
 
     /* we need this permutation so that we correct the IDCT, we only permute the !=0 elements */
     if (s->idsp.perm_type != FF_IDCT_PERM_NONE)
-        ff_block_permute(block, s->idsp.idct_permutation,
-                         scantable, last_non_zero);
+        block_permute(block, s->idsp.idct_permutation,
+                      scantable, last_non_zero);
 
     return last_non_zero;
 }
@@ -4622,7 +4667,12 @@ AVCodec ff_h263p_encoder = {
     .priv_class     = &h263p_class,
 };
 
-FF_MPV_GENERIC_CLASS(msmpeg4v2)
+static const AVClass msmpeg4v2_class = {
+    .class_name = "msmpeg4v2 encoder",
+    .item_name  = av_default_item_name,
+    .option     = ff_mpv_generic_options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
 
 AVCodec ff_msmpeg4v2_encoder = {
     .name           = "msmpeg4v2",
@@ -4637,7 +4687,12 @@ AVCodec ff_msmpeg4v2_encoder = {
     .priv_class     = &msmpeg4v2_class,
 };
 
-FF_MPV_GENERIC_CLASS(msmpeg4v3)
+static const AVClass msmpeg4v3_class = {
+    .class_name = "msmpeg4v3 encoder",
+    .item_name  = av_default_item_name,
+    .option     = ff_mpv_generic_options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
 
 AVCodec ff_msmpeg4v3_encoder = {
     .name           = "msmpeg4",
@@ -4652,7 +4707,12 @@ AVCodec ff_msmpeg4v3_encoder = {
     .priv_class     = &msmpeg4v3_class,
 };
 
-FF_MPV_GENERIC_CLASS(wmv1)
+static const AVClass wmv1_class = {
+    .class_name = "wmv1 encoder",
+    .item_name  = av_default_item_name,
+    .option     = ff_mpv_generic_options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
 
 AVCodec ff_wmv1_encoder = {
     .name           = "wmv1",