data parameter of dnxhd_encode_picture() should not be const.

[frescor/ffmpeg.git] / libavcodec / dnxhdenc.c

diff --git a/libavcodec/dnxhdenc.c b/libavcodec/dnxhdenc.c
index 48df839f2155d178e3567e7bcc64503c39c51474..54ccec42966b717f1b501442b515f9ce1971c75f 100644 (file)
--- a/libavcodec/dnxhdenc.c
+++ b/libavcodec/dnxhdenc.c
@@ -33,6 +33,23 @@ int dct_quantize_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *ov
 
 #define LAMBDA_FRAC_BITS 10
 
+static av_always_inline void dnxhd_get_pixels_8x4(DCTELEM *restrict block, const uint8_t *pixels, int line_size)
+{
+    int i;
+    for (i = 0; i < 4; i++) {
+        block[0] = pixels[0]; block[1] = pixels[1];
+        block[2] = pixels[2]; block[3] = pixels[3];
+        block[4] = pixels[4]; block[5] = pixels[5];
+        block[6] = pixels[6]; block[7] = pixels[7];
+        pixels += line_size;
+        block += 8;
+    }
+    memcpy(block   , block- 8, sizeof(*block)*8);
+    memcpy(block+ 8, block-16, sizeof(*block)*8);
+    memcpy(block+16, block-24, sizeof(*block)*8);
+    memcpy(block+24, block-32, sizeof(*block)*8);
+}
+
 static int dnxhd_init_vlc(DNXHDEncContext *ctx)
 {
     int i, j, level, run;
@@ -156,8 +173,13 @@ static int dnxhd_encode_init(AVCodecContext *avctx)
     ctx->m.mb_intra = 1;
     ctx->m.h263_aic = 1;
 
+    ctx->get_pixels_8x4_sym = dnxhd_get_pixels_8x4;
+
     dsputil_init(&ctx->m.dsp, avctx);
     ff_dct_common_init(&ctx->m);
+#if HAVE_MMX
+    ff_dnxhd_init_mmx(ctx);
+#endif
     if (!ctx->m.dct_quantize)
         ctx->m.dct_quantize = dct_quantize_c;
 
@@ -330,23 +352,6 @@ static av_always_inline int dnxhd_calc_ac_bits(DNXHDEncContext *ctx, DCTELEM *bl
     return bits;
 }
 
-static av_always_inline void dnxhd_get_pixels_8x4(DCTELEM *restrict block, const uint8_t *pixels, int line_size)
-{
-    int i;
-    for (i = 0; i < 4; i++) {
-        block[0] = pixels[0]; block[1] = pixels[1];
-        block[2] = pixels[2]; block[3] = pixels[3];
-        block[4] = pixels[4]; block[5] = pixels[5];
-        block[6] = pixels[6]; block[7] = pixels[7];
-        pixels += line_size;
-        block += 8;
-    }
-    memcpy(block   , block- 8, sizeof(*block)*8);
-    memcpy(block+ 8, block-16, sizeof(*block)*8);
-    memcpy(block+16, block-24, sizeof(*block)*8);
-    memcpy(block+24, block-32, sizeof(*block)*8);
-}
-
 static av_always_inline void dnxhd_get_blocks(DNXHDEncContext *ctx, int mb_x, int mb_y)
 {
     const uint8_t *ptr_y = ctx->thread[0]->src[0] + ((mb_y << 4) * ctx->m.linesize)   + (mb_x << 4);
@@ -361,10 +366,10 @@ static av_always_inline void dnxhd_get_blocks(DNXHDEncContext *ctx, int mb_x, in
 
     if (mb_y+1 == ctx->m.mb_height && ctx->m.avctx->height == 1080) {
         if (ctx->interlaced) {
-            dnxhd_get_pixels_8x4(ctx->blocks[4], ptr_y + ctx->dct_y_offset    , ctx->m.linesize);
-            dnxhd_get_pixels_8x4(ctx->blocks[5], ptr_y + ctx->dct_y_offset + 8, ctx->m.linesize);
-            dnxhd_get_pixels_8x4(ctx->blocks[6], ptr_u + ctx->dct_uv_offset   , ctx->m.uvlinesize);
-            dnxhd_get_pixels_8x4(ctx->blocks[7], ptr_v + ctx->dct_uv_offset   , ctx->m.uvlinesize);
+            ctx->get_pixels_8x4_sym(ctx->blocks[4], ptr_y + ctx->dct_y_offset    , ctx->m.linesize);
+            ctx->get_pixels_8x4_sym(ctx->blocks[5], ptr_y + ctx->dct_y_offset + 8, ctx->m.linesize);
+            ctx->get_pixels_8x4_sym(ctx->blocks[6], ptr_u + ctx->dct_uv_offset   , ctx->m.uvlinesize);
+            ctx->get_pixels_8x4_sym(ctx->blocks[7], ptr_v + ctx->dct_uv_offset   , ctx->m.uvlinesize);
         } else {
             dsp->clear_block(ctx->blocks[4]); dsp->clear_block(ctx->blocks[5]);
             dsp->clear_block(ctx->blocks[6]); dsp->clear_block(ctx->blocks[7]);
@@ -706,7 +711,7 @@ static void dnxhd_load_picture(DNXHDEncContext *ctx, const AVFrame *frame)
     ctx->cur_field = frame->interlaced_frame && !frame->top_field_first;
 }
 
-static int dnxhd_encode_picture(AVCodecContext *avctx, unsigned char *buf, int buf_size, const void *data)
+static int dnxhd_encode_picture(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data)
 {
     DNXHDEncContext *ctx = avctx->priv_data;
     int first_field = 1;