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-rw-r--r--third_party/aom/aom_dsp/daalaboolwriter.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/daalaboolwriter.h b/third_party/aom/aom_dsp/daalaboolwriter.h
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+++ b/third_party/aom/aom_dsp/daalaboolwriter.h
@@ -0,0 +1,78 @@
+/*
+ * 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.
+ */
+
+#ifndef AOM_AOM_DSP_DAALABOOLWRITER_H_
+#define AOM_AOM_DSP_DAALABOOLWRITER_H_
+
+#include <stdio.h>
+
+#include "aom_dsp/entenc.h"
+#include "aom_dsp/prob.h"
+#if CONFIG_BITSTREAM_DEBUG
+#include "aom_util/debug_util.h"
+#endif // CONFIG_BITSTREAM_DEBUG
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct daala_writer {
+ unsigned int pos;
+ uint8_t *buffer;
+ od_ec_enc ec;
+ uint8_t allow_update_cdf;
+};
+
+typedef struct daala_writer daala_writer;
+
+void aom_daala_start_encode(daala_writer *w, uint8_t *buffer);
+int aom_daala_stop_encode(daala_writer *w);
+
+static INLINE void aom_daala_write(daala_writer *w, int bit, int prob) {
+ int p = (0x7FFFFF - (prob << 15) + prob) >> 8;
+#if CONFIG_BITSTREAM_DEBUG
+ aom_cdf_prob cdf[2] = { (aom_cdf_prob)p, 32767 };
+ /*int queue_r = 0;
+ int frame_idx_r = 0;
+ int queue_w = bitstream_queue_get_write();
+ int frame_idx_w = bitstream_queue_get_frame_write();
+ if (frame_idx_w == frame_idx_r && queue_w == queue_r) {
+ fprintf(stderr, "\n *** bitstream queue at frame_idx_w %d queue_w %d\n",
+ frame_idx_w, queue_w);
+ }*/
+ bitstream_queue_push(bit, cdf, 2);
+#endif
+
+ od_ec_encode_bool_q15(&w->ec, bit, p);
+}
+
+static INLINE void daala_write_symbol(daala_writer *w, int symb,
+ const aom_cdf_prob *cdf, int nsymbs) {
+#if CONFIG_BITSTREAM_DEBUG
+ /*int queue_r = 0;
+ int frame_idx_r = 0;
+ int queue_w = bitstream_queue_get_write();
+ int frame_idx_w = bitstream_queue_get_frame_write();
+ if (frame_idx_w == frame_idx_r && queue_w == queue_r) {
+ fprintf(stderr, "\n *** bitstream queue at frame_idx_w %d queue_w %d\n",
+ frame_idx_w, queue_w);
+ }*/
+ bitstream_queue_push(symb, cdf, nsymbs);
+#endif
+
+ od_ec_encode_cdf_q15(&w->ec, symb, cdf, nsymbs);
+}
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // AOM_AOM_DSP_DAALABOOLWRITER_H_