1 files changed, 104 insertions, 0 deletions
diff --git a/third_party/dav1d/tools/output/yuv.c b/third_party/dav1d/tools/output/yuv.c
new file mode 100644
index 0000000000..406f284188
--- /dev/null
+++ b/third_party/dav1d/tools/output/yuv.c
@@ -0,0 +1,104 @@
+/*
+ * Copyright © 2018, VideoLAN and dav1d authors
+ * Copyright © 2018, Two Orioles, LLC
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+
+#include "output/muxer.h"
+
+typedef struct MuxerPriv {
+    FILE *f;
+} YuvOutputContext;
+
+static int yuv_open(YuvOutputContext *const c, const char *const file,
+                    const Dav1dPictureParameters *const p,
+                    const unsigned fps[2])
+{
+    if (!strcmp(file, "-")) {
+        c->f = stdout;
+    } else if (!(c->f = fopen(file, "wb"))) {
+        fprintf(stderr, "Failed to open %s: %s\n", file, strerror(errno));
+        return -1;
+    }
+
+    return 0;
+}
+
+static int yuv_write(YuvOutputContext *const c, Dav1dPicture *const p) {
+    uint8_t *ptr;
+    const int hbd = p->p.bpc > 8;
+
+    ptr = p->data[0];
+    for (int y = 0; y < p->p.h; y++) {
+        if (fwrite(ptr, p->p.w << hbd, 1, c->f) != 1)
+            goto error;
+        ptr += p->stride[0];
+    }
+
+    if (p->p.layout != DAV1D_PIXEL_LAYOUT_I400) {
+        // u/v
+        const int ss_ver = p->p.layout == DAV1D_PIXEL_LAYOUT_I420;
+        const int ss_hor = p->p.layout != DAV1D_PIXEL_LAYOUT_I444;
+        const int cw = (p->p.w + ss_hor) >> ss_hor;
+        const int ch = (p->p.h + ss_ver) >> ss_ver;
+        for (int pl = 1; pl <= 2; pl++) {
+            ptr = p->data[pl];
+            for (int y = 0; y < ch; y++) {
+                if (fwrite(ptr, cw << hbd, 1, c->f) != 1)
+                    goto error;
+                ptr += p->stride[1];
+            }
+        }
+    }
+
+    dav1d_picture_unref(p);
+    return 0;
+
+error:
+    dav1d_picture_unref(p);
+    fprintf(stderr, "Failed to write frame data: %s\n", strerror(errno));
+    return -1;
+}
+
+static void yuv_close(YuvOutputContext *const c) {
+    if (c->f != stdout)
+        fclose(c->f);
+}
+
+const Muxer yuv_muxer = {
+    .priv_data_size = sizeof(YuvOutputContext),
+    .name = "yuv",
+    .extension = "yuv",
+    .write_header = yuv_open,
+    .write_picture = yuv_write,
+    .write_trailer = yuv_close,
+};