]> git.sesse.net Git - ffmpeg/blobdiff - libavcodec/tiffenc.c
Merge remote-tracking branch 'qatar/master'
[ffmpeg] / libavcodec / tiffenc.c
index d7165dc4efc82c84145e11b51f76c8fc87467abf..7361614505f6a947568fdb1dcc3800d957b1adc5 100644 (file)
@@ -121,7 +121,7 @@ static void add_entry(TiffEncoderContext * s,
 {
     uint8_t *entries_ptr = s->entries + 12 * s->num_entries;
 
-    assert(s->num_entries < TIFF_MAX_ENTRY);
+    av_assert0(s->num_entries < TIFF_MAX_ENTRY);
 
     bytestream_put_le16(&entries_ptr, tag);
     bytestream_put_le16(&entries_ptr, type);
@@ -193,13 +193,24 @@ static void pack_yuv(TiffEncoderContext * s, uint8_t * dst, int lnum)
     int w = (s->width - 1) / s->subsampling[0] + 1;
     uint8_t *pu = &p->data[1][lnum / s->subsampling[1] * p->linesize[1]];
     uint8_t *pv = &p->data[2][lnum / s->subsampling[1] * p->linesize[2]];
-    for (i = 0; i < w; i++){
-        for (j = 0; j < s->subsampling[1]; j++)
-            for (k = 0; k < s->subsampling[0]; k++)
-                *dst++ = p->data[0][(lnum + j) * p->linesize[0] +
-                                    i * s->subsampling[0] + k];
-        *dst++ = *pu++;
-        *dst++ = *pv++;
+    if(s->width % s->subsampling[0] || s->height % s->subsampling[1]){
+        for (i = 0; i < w; i++){
+            for (j = 0; j < s->subsampling[1]; j++)
+                for (k = 0; k < s->subsampling[0]; k++)
+                    *dst++ = p->data[0][FFMIN(lnum + j, s->height-1) * p->linesize[0] +
+                                        FFMIN(i * s->subsampling[0] + k, s->width-1)];
+            *dst++ = *pu++;
+            *dst++ = *pv++;
+        }
+    }else{
+        for (i = 0; i < w; i++){
+            for (j = 0; j < s->subsampling[1]; j++)
+                for (k = 0; k < s->subsampling[0]; k++)
+                    *dst++ = p->data[0][(lnum + j) * p->linesize[0] +
+                                        i * s->subsampling[0] + k];
+            *dst++ = *pu++;
+            *dst++ = *pv++;
+        }
     }
 }
 
@@ -252,23 +263,28 @@ static int encode_frame(AVCodecContext * avctx, AVPacket *pkt,
         bpp_tab[3] = 16;
         break;
     case PIX_FMT_RGBA:
+        avctx->bits_per_coded_sample =
         s->bpp = 32;
         s->photometric_interpretation = 2;
         break;
     case PIX_FMT_RGB24:
+        avctx->bits_per_coded_sample =
         s->bpp = 24;
         s->photometric_interpretation = 2;
         break;
     case PIX_FMT_GRAY8:
+        avctx->bits_per_coded_sample = 0x28;
         s->bpp = 8;
         s->photometric_interpretation = 1;
         break;
     case PIX_FMT_PAL8:
+        avctx->bits_per_coded_sample =
         s->bpp = 8;
         s->photometric_interpretation = 3;
         break;
     case PIX_FMT_MONOBLACK:
     case PIX_FMT_MONOWHITE:
+        avctx->bits_per_coded_sample =
         s->bpp = 1;
         s->photometric_interpretation = avctx->pix_fmt == PIX_FMT_MONOBLACK;
         bpp_tab[0] = 1;