h264: 4:2:2 intra decoding support

Signed-off-by: Diego Biurrun <diego@biurrun.de>
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>

1 files changed, 28 insertions, 10 deletions

diff --git a/libavcodec/h264dsp.c b/libavcodec/h264dsp.c
index 64f4856..19ad2db 100644
--- a/libavcodec/h264dsp.c
+++ b/libavcodec/h264dsp.c
@@ -41,7 +41,7 @@
 #include "h264dsp_template.c"
 #undef BIT_DEPTH
 
-void ff_h264dsp_init(H264DSPContext *c, const int bit_depth)
+void ff_h264dsp_init(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
 {
 #undef FUNC
 #define FUNC(a, depth) a ## _ ## depth ## _c
@@ -53,10 +53,16 @@ void ff_h264dsp_init(H264DSPContext *c, const int bit_depth)
     c->h264_idct8_dc_add= FUNC(ff_h264_idct8_dc_add, depth);\
     c->h264_idct_add16     = FUNC(ff_h264_idct_add16, depth);\
     c->h264_idct8_add4     = FUNC(ff_h264_idct8_add4, depth);\
-    c->h264_idct_add8      = FUNC(ff_h264_idct_add8, depth);\
+    if (chroma_format_idc == 1)\
+        c->h264_idct_add8  = FUNC(ff_h264_idct_add8, depth);\
+    else\
+        c->h264_idct_add8  = FUNC(ff_h264_idct_add8_422, depth);\
     c->h264_idct_add16intra= FUNC(ff_h264_idct_add16intra, depth);\
     c->h264_luma_dc_dequant_idct= FUNC(ff_h264_luma_dc_dequant_idct, depth);\
-    c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma_dc_dequant_idct, depth);\
+    if (chroma_format_idc == 1)\
+        c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma_dc_dequant_idct, depth);\
+    else\
+        c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma422_dc_dequant_idct, depth);\
 \
     c->weight_h264_pixels_tab[0]= FUNC(weight_h264_pixels16x16, depth);\
     c->weight_h264_pixels_tab[1]= FUNC(weight_h264_pixels16x8, depth);\
@@ -86,11 +92,23 @@ void ff_h264dsp_init(H264DSPContext *c, const int bit_depth)
     c->h264_h_loop_filter_luma_intra= FUNC(h264_h_loop_filter_luma_intra, depth);\
     c->h264_h_loop_filter_luma_mbaff_intra= FUNC(h264_h_loop_filter_luma_mbaff_intra, depth);\
     c->h264_v_loop_filter_chroma= FUNC(h264_v_loop_filter_chroma, depth);\
-    c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma, depth);\
-    c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma_mbaff, depth);\
+    if (chroma_format_idc == 1)\
+        c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma, depth);\
+    else\
+        c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma422, depth);\
+    if (chroma_format_idc == 1)\
+        c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma_mbaff, depth);\
+    else\
+        c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma422_mbaff, depth);\
     c->h264_v_loop_filter_chroma_intra= FUNC(h264_v_loop_filter_chroma_intra, depth);\
-    c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma_intra, depth);\
-    c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma_mbaff_intra, depth);\
+    if (chroma_format_idc == 1)\
+        c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma_intra, depth);\
+    else\
+        c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma422_intra, depth);\
+    if (chroma_format_idc == 1)\
+        c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma_mbaff_intra, depth);\
+    else\
+        c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma422_mbaff_intra, depth);\
     c->h264_loop_filter_strength= NULL;
 
     switch (bit_depth) {
@@ -105,7 +123,7 @@ void ff_h264dsp_init(H264DSPContext *c, const int bit_depth)
         break;
     }
 
-    if (ARCH_ARM) ff_h264dsp_init_arm(c, bit_depth);
-    if (HAVE_ALTIVEC) ff_h264dsp_init_ppc(c, bit_depth);
-    if (HAVE_MMX) ff_h264dsp_init_x86(c, bit_depth);
+    if (ARCH_ARM) ff_h264dsp_init_arm(c, bit_depth, chroma_format_idc);
+    if (HAVE_ALTIVEC) ff_h264dsp_init_ppc(c, bit_depth, chroma_format_idc);
+    if (HAVE_MMX) ff_h264dsp_init_x86(c, bit_depth, chroma_format_idc);
 }