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-rw-r--r--third_party/aom/aom_dsp/daalaboolwriter.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/daalaboolwriter.c b/third_party/aom/aom_dsp/daalaboolwriter.c
new file mode 100644
index 000000000..0ba8f6ab8
--- /dev/null
+++ b/third_party/aom/aom_dsp/daalaboolwriter.c
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#include <string.h>
+#include "aom_dsp/daalaboolwriter.h"
+
+void aom_daala_start_encode(daala_writer *br, uint8_t *source) {
+ br->buffer = source;
+ br->pos = 0;
+ od_ec_enc_init(&br->ec, 62025);
+}
+
+void aom_daala_stop_encode(daala_writer *br) {
+ uint32_t daala_bytes;
+ unsigned char *daala_data;
+ daala_data = od_ec_enc_done(&br->ec, &daala_bytes);
+ memcpy(br->buffer, daala_data, daala_bytes);
+ br->pos = daala_bytes;
+ /* Prevent ec bitstream from being detected as a superframe marker.
+ Must always be added, so that rawbits knows the exact length of the
+ bitstream. */
+ br->buffer[br->pos++] = 0;
+ od_ec_enc_clear(&br->ec);
+}