dds: Add support for monochrome images

9 years ago · 4b2e69397b
parent 6eb2505855
commit 4b2e69397b
3 changed files with 7 additions and 0 deletions
--- a/libavcodec/dds.c
+++ b/libavcodec/dds.c
@ -240,6 +240,10 @@ static int parse_pixel_format(AVCodecContext *avctx)
            ctx->paletted   = 1;
            avctx->pix_fmt  = AV_PIX_FMT_PAL8;
            break;
+        case MKTAG('G', '1', ' ', ' '):
+            ctx->compressed = 0;
+            avctx->pix_fmt  = AV_PIX_FMT_MONOBLACK;
+            break;
        case MKTAG('D', 'X', '1', '0'):
            /* DirectX 10 extra header */
            dxgi = bytestream2_get_le32(gbc);
--- a/tests/fate/image.mak
+++ b/tests/fate/image.mak
@ -65,6 +65,7 @@ DDS_FMT          = alpha8                                               \
                   dxt5-xrbg                                            \
                   dxt5-ycocg                                           \
                   dxt5-ycocg-scaled                                    \
+                   monob                                                \
                   pal                                                  \
                   pal-ati                                              \
                   rgb1555                                              \
--- a/tests/ref/fate/dds-monob
+++ b/tests/ref/fate/dds-monob
@ -0,0 +1,2 @@
+#tb 0: 1/25
+0,          0,          0,        1,     1952, 0x716498a1