Add vp8 support to rc lib

For 1 layer CBR only.
Support for temporal layers comes later.

Rename the library to libvpxrc

Bug: b/188853141

Change-Id: Ib7f977b64c05b1a0596870cb7f8e6768cb483850

3 files changed, 64 insertions, 1 deletions

diff --git a/vpx/internal/vpx_ratectrl_rtc.h b/vpx/internal/vpx_ratectrl_rtc.h
new file mode 100644
index 000000000..0474e0a85
--- /dev/null
+++ b/vpx/internal/vpx_ratectrl_rtc.h
@@ -0,0 +1,62 @@
+/*
+ *  Copyright (c) 2021 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef VPX_VPX_RATECTRL_RTC_H_
+#define VPX_VPX_RATECTRL_RTC_H_
+
+#include "vpx/vpx_encoder.h"
+
+namespace libvpx {
+struct VpxRateControlRtcConfig {
+ public:
+  VpxRateControlRtcConfig() {
+    width = 1280;
+    height = 720;
+    max_quantizer = 63;
+    min_quantizer = 2;
+    target_bandwidth = 1000;
+    buf_initial_sz = 600;
+    buf_optimal_sz = 600;
+    buf_sz = 1000;
+    undershoot_pct = overshoot_pct = 50;
+    max_intra_bitrate_pct = 50;
+    max_inter_bitrate_pct = 0;
+    framerate = 30.0;
+    ts_number_layers = 1;
+    rc_mode = VPX_CBR;
+    aq_mode = 0;
+    layer_target_bitrate[0] = static_cast<int>(target_bandwidth);
+    ts_rate_decimator[0] = 1;
+  }
+
+  int width;
+  int height;
+  // 0-63
+  int max_quantizer;
+  int min_quantizer;
+  int64_t target_bandwidth;
+  int64_t buf_initial_sz;
+  int64_t buf_optimal_sz;
+  int64_t buf_sz;
+  int undershoot_pct;
+  int overshoot_pct;
+  int max_intra_bitrate_pct;
+  int max_inter_bitrate_pct;
+  double framerate;
+  // Number of temporal layers
+  int ts_number_layers;
+  int layer_target_bitrate[VPX_MAX_LAYERS];
+  int ts_rate_decimator[VPX_TS_MAX_LAYERS];
+  // vbr, cbr
+  enum vpx_rc_mode rc_mode;
+  int aq_mode;
+};
+}  // namespace libvpx
+#endif
diff --git a/vpx/vp8cx.h b/vpx/vp8cx.h
index 17afac754..28bd86174 100644
--- a/vpx/vp8cx.h
+++ b/vpx/vp8cx.h
@@ -747,7 +747,7 @@ enum vp8e_enc_control_id {
    *
    * This will turn off cyclic refresh for vp8.
    *
-   * With those, the rate control is expected to work exactly the same as the
+   * With this, the rate control is expected to work exactly the same as the
    * interface provided in vp8_ratectrl_rtc.cc/h
    *
    * Supported in codecs: VP8
diff --git a/vpx/vpx_codec.mk b/vpx/vpx_codec.mk
index 350dc247b..de86579d5 100644
--- a/vpx/vpx_codec.mk
+++ b/vpx/vpx_codec.mk
@@ -33,6 +33,7 @@ API_SRCS-yes += vpx_decoder.h
 API_SRCS-yes += src/vpx_encoder.c
 API_SRCS-yes += vpx_encoder.h
 API_SRCS-yes += internal/vpx_codec_internal.h
+API_SRCS-yes += internal/vpx_ratectrl_rtc.h
 API_SRCS-yes += src/vpx_codec.c
 API_SRCS-yes += src/vpx_image.c
 API_SRCS-yes += vpx_codec.h