avcodec/proresdec : rename dsp part for 10b and check dspinit for supported bits per raw sample

based on patch by Kieran Kunhya

1 files changed, 15 insertions, 10 deletions

diff --git a/libavcodec/proresdsp.c b/libavcodec/proresdsp.c
index 3c337dc433..6b15ed3add 100644
--- a/libavcodec/proresdsp.c
+++ b/libavcodec/proresdsp.c
@@ -27,15 +27,15 @@
 #include "proresdsp.h"
 #include "simple_idct.h"
 
-#define CLIP_MIN (1 << (PRORES_BITS_PER_SAMPLE - 8))           ///< minimum value for clipping resulting pixels
-#define CLIP_MAX (1 << PRORES_BITS_PER_SAMPLE) - CLIP_MIN - 1  ///< maximum value for clipping resulting pixels
+#define CLIP_MIN (1 << 2)                     ///< minimum value for clipping resulting pixels
+#define CLIP_MAX_10 (1 << 10) - CLIP_MIN - 1  ///< maximum value for clipping resulting pixels
 
-#define CLIP(x) (av_clip((x), CLIP_MIN, CLIP_MAX))
+#define CLIP_10(x) (av_clip((x), CLIP_MIN, CLIP_MAX_10))
 
 /**
  * Add bias value, clamp and output pixels of a slice
  */
-static void put_pixels(uint16_t *dst, ptrdiff_t linesize, const int16_t *in)
+static void put_pixels_10(uint16_t *dst, ptrdiff_t linesize, const int16_t *in)
 {
     int x, y, src_offset, dst_offset;
 
@@ -43,25 +43,30 @@ static void put_pixels(uint16_t *dst, ptrdiff_t linesize, const int16_t *in)
         for (x = 0; x < 8; x++) {
             src_offset = (y << 3) + x;
 
-            dst[dst_offset + x] = CLIP(in[src_offset]);
+            dst[dst_offset + x] = CLIP_10(in[src_offset]);
         }
     }
 }
 
-static void prores_idct_put_c(uint16_t *out, ptrdiff_t linesize, int16_t *block, const int16_t *qmat)
+static void prores_idct_put_10_c(uint16_t *out, ptrdiff_t linesize, int16_t *block, const int16_t *qmat)
 {
-    ff_prores_idct(block, qmat);
-    put_pixels(out, linesize >> 1, block);
+    ff_prores_idct_10(block, qmat);
+    put_pixels_10(out, linesize >> 1, block);
 }
 
-av_cold void ff_proresdsp_init(ProresDSPContext *dsp, AVCodecContext *avctx)
+av_cold int ff_proresdsp_init(ProresDSPContext *dsp, AVCodecContext *avctx)
 {
-    dsp->idct_put = prores_idct_put_c;
+    if (avctx->bits_per_raw_sample == 10) {
+    dsp->idct_put = prores_idct_put_10_c;
     dsp->idct_permutation_type = FF_IDCT_PERM_NONE;
+    } else {
+        return AVERROR_BUG;
+    }
 
     if (ARCH_X86)
         ff_proresdsp_init_x86(dsp, avctx);
 
     ff_init_scantable_permutation(dsp->idct_permutation,
                                   dsp->idct_permutation_type);
+    return 0;
 }