1 files changed, 100 insertions, 0 deletions
diff --git a/stream/stream_memory.c b/stream/stream_memory.c
new file mode 100644
index 0000000..e4696a7
--- /dev/null
+++ b/stream/stream_memory.c
@@ -0,0 +1,100 @@
+/*
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * mpv is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "common/common.h"
+#include "stream.h"
+
+struct priv {
+    bstr data;
+};
+
+static int fill_buffer(stream_t *s, void *buffer, int len)
+{
+    struct priv *p = s->priv;
+    bstr data = p->data;
+    if (s->pos < 0 || s->pos > data.len)
+        return 0;
+    len = MPMIN(len, data.len - s->pos);
+    memcpy(buffer, data.start + s->pos, len);
+    return len;
+}
+
+static int seek(stream_t *s, int64_t newpos)
+{
+    return 1;
+}
+
+static int64_t get_size(stream_t *s)
+{
+    struct priv *p = s->priv;
+    return p->data.len;
+}
+
+static int open2(stream_t *stream, const struct stream_open_args *args)
+{
+    stream->fill_buffer = fill_buffer;
+    stream->seek = seek;
+    stream->seekable = true;
+    stream->get_size = get_size;
+
+    struct priv *p = talloc_zero(stream, struct priv);
+    stream->priv = p;
+
+    // Initial data
+    bstr data = bstr0(stream->url);
+    bool use_hex = bstr_eatstart0(&data, "hex://");
+    if (!use_hex)
+        bstr_eatstart0(&data, "memory://");
+
+    if (args->special_arg)
+        data = *(bstr *)args->special_arg;
+
+    p->data = bstrdup(stream, data);
+
+    if (use_hex && !bstr_decode_hex(stream, p->data, &p->data)) {
+        MP_FATAL(stream, "Invalid data.\n");
+        return STREAM_ERROR;
+    }
+
+    return STREAM_OK;
+}
+
+const stream_info_t stream_info_memory = {
+    .name = "memory",
+    .open2 = open2,
+    .protocols = (const char*const[]){ "memory", "hex", NULL },
+};
+
+// The data is copied.
+// Caller may need to set stream.stream_origin correctly.
+struct stream *stream_memory_open(struct mpv_global *global, void *data, int len)
+{
+    assert(len >= 0);
+
+    struct stream_open_args sargs = {
+        .global = global,
+        .url = "memory://",
+        .flags = STREAM_READ | STREAM_SILENT | STREAM_ORIGIN_DIRECT,
+        .sinfo = &stream_info_memory,
+        .special_arg = &(bstr){data, len},
+    };
+
+    struct stream *s = NULL;
+    stream_create_with_args(&sargs, &s);
+    MP_HANDLE_OOM(s);
+    return s;
+}