1 /*
2 * Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include "modules/video_coding/codecs/vp8/libvpx_interface.h"
12
13 #include <memory>
14
15 #include "rtc_base/checks.h"
16
17 namespace webrtc {
18 namespace {
19 class LibvpxVp8Facade : public LibvpxInterface {
20 public:
21 LibvpxVp8Facade() = default;
22 ~LibvpxVp8Facade() override = default;
23
img_alloc(vpx_image_t * img,vpx_img_fmt_t fmt,unsigned int d_w,unsigned int d_h,unsigned int align) const24 vpx_image_t* img_alloc(vpx_image_t* img,
25 vpx_img_fmt_t fmt,
26 unsigned int d_w,
27 unsigned int d_h,
28 unsigned int align) const override {
29 return ::vpx_img_alloc(img, fmt, d_w, d_h, align);
30 }
31
img_wrap(vpx_image_t * img,vpx_img_fmt_t fmt,unsigned int d_w,unsigned int d_h,unsigned int stride_align,unsigned char * img_data) const32 vpx_image_t* img_wrap(vpx_image_t* img,
33 vpx_img_fmt_t fmt,
34 unsigned int d_w,
35 unsigned int d_h,
36 unsigned int stride_align,
37 unsigned char* img_data) const override {
38 return ::vpx_img_wrap(img, fmt, d_w, d_h, stride_align, img_data);
39 }
40
img_free(vpx_image_t * img) const41 void img_free(vpx_image_t* img) const override { ::vpx_img_free(img); }
42
codec_enc_config_set(vpx_codec_ctx_t * ctx,const vpx_codec_enc_cfg_t * cfg) const43 vpx_codec_err_t codec_enc_config_set(
44 vpx_codec_ctx_t* ctx,
45 const vpx_codec_enc_cfg_t* cfg) const override {
46 return ::vpx_codec_enc_config_set(ctx, cfg);
47 }
48
codec_enc_config_default(vpx_codec_iface_t * iface,vpx_codec_enc_cfg_t * cfg,unsigned int usage) const49 vpx_codec_err_t codec_enc_config_default(vpx_codec_iface_t* iface,
50 vpx_codec_enc_cfg_t* cfg,
51 unsigned int usage) const override {
52 return ::vpx_codec_enc_config_default(iface, cfg, usage);
53 }
54
codec_enc_init(vpx_codec_ctx_t * ctx,vpx_codec_iface_t * iface,const vpx_codec_enc_cfg_t * cfg,vpx_codec_flags_t flags) const55 vpx_codec_err_t codec_enc_init(vpx_codec_ctx_t* ctx,
56 vpx_codec_iface_t* iface,
57 const vpx_codec_enc_cfg_t* cfg,
58 vpx_codec_flags_t flags) const override {
59 return ::vpx_codec_enc_init(ctx, iface, cfg, flags);
60 }
61
codec_enc_init_multi(vpx_codec_ctx_t * ctx,vpx_codec_iface_t * iface,vpx_codec_enc_cfg_t * cfg,int num_enc,vpx_codec_flags_t flags,vpx_rational_t * dsf) const62 vpx_codec_err_t codec_enc_init_multi(vpx_codec_ctx_t* ctx,
63 vpx_codec_iface_t* iface,
64 vpx_codec_enc_cfg_t* cfg,
65 int num_enc,
66 vpx_codec_flags_t flags,
67 vpx_rational_t* dsf) const override {
68 return ::vpx_codec_enc_init_multi(ctx, iface, cfg, num_enc, flags, dsf);
69 }
70
codec_destroy(vpx_codec_ctx_t * ctx) const71 vpx_codec_err_t codec_destroy(vpx_codec_ctx_t* ctx) const override {
72 return ::vpx_codec_destroy(ctx);
73 }
74
75 // For types related to these parameters, see section
76 // "VP8 encoder control function parameter type" in vpx/vp8cx.h.
77
codec_control(vpx_codec_ctx_t * ctx,vp8e_enc_control_id ctrl_id,uint32_t param) const78 vpx_codec_err_t codec_control(vpx_codec_ctx_t* ctx,
79 vp8e_enc_control_id ctrl_id,
80 uint32_t param) const override {
81 // We need an explicit call for each type since vpx_codec_control is a
82 // macro that gets expanded into another call based on the parameter name.
83 switch (ctrl_id) {
84 case VP8E_SET_ENABLEAUTOALTREF:
85 return vpx_codec_control(ctx, VP8E_SET_ENABLEAUTOALTREF, param);
86 case VP8E_SET_NOISE_SENSITIVITY:
87 return vpx_codec_control(ctx, VP8E_SET_NOISE_SENSITIVITY, param);
88 case VP8E_SET_SHARPNESS:
89 return vpx_codec_control(ctx, VP8E_SET_SHARPNESS, param);
90 case VP8E_SET_STATIC_THRESHOLD:
91 return vpx_codec_control(ctx, VP8E_SET_STATIC_THRESHOLD, param);
92 case VP8E_SET_ARNR_MAXFRAMES:
93 return vpx_codec_control(ctx, VP8E_SET_ARNR_MAXFRAMES, param);
94 case VP8E_SET_ARNR_STRENGTH:
95 return vpx_codec_control(ctx, VP8E_SET_ARNR_STRENGTH, param);
96 case VP8E_SET_ARNR_TYPE:
97 RTC_NOTREACHED() << "VP8E_SET_ARNR_TYPE is deprecated.";
98 return VPX_CODEC_UNSUP_FEATURE;
99 case VP8E_SET_CQ_LEVEL:
100 return vpx_codec_control(ctx, VP8E_SET_CQ_LEVEL, param);
101 case VP8E_SET_MAX_INTRA_BITRATE_PCT:
102 return vpx_codec_control(ctx, VP8E_SET_MAX_INTRA_BITRATE_PCT, param);
103 case VP8E_SET_GF_CBR_BOOST_PCT:
104 return vpx_codec_control(ctx, VP8E_SET_GF_CBR_BOOST_PCT, param);
105 case VP8E_SET_SCREEN_CONTENT_MODE:
106 return vpx_codec_control(ctx, VP8E_SET_SCREEN_CONTENT_MODE, param);
107 default:
108 RTC_NOTREACHED() << "Unsupported libvpx ctrl_id: " << ctrl_id;
109 }
110 return VPX_CODEC_ERROR;
111 }
112
codec_control(vpx_codec_ctx_t * ctx,vp8e_enc_control_id ctrl_id,int param) const113 vpx_codec_err_t codec_control(vpx_codec_ctx_t* ctx,
114 vp8e_enc_control_id ctrl_id,
115 int param) const override {
116 switch (ctrl_id) {
117 case VP8E_SET_FRAME_FLAGS:
118 return vpx_codec_control(ctx, VP8E_SET_FRAME_FLAGS, param);
119 case VP8E_SET_TEMPORAL_LAYER_ID:
120 return vpx_codec_control(ctx, VP8E_SET_TEMPORAL_LAYER_ID, param);
121 case VP8E_SET_CPUUSED:
122 return vpx_codec_control(ctx, VP8E_SET_CPUUSED, param);
123 case VP8E_SET_TOKEN_PARTITIONS:
124 return vpx_codec_control(ctx, VP8E_SET_TOKEN_PARTITIONS, param);
125 case VP8E_SET_TUNING:
126 return vpx_codec_control(ctx, VP8E_SET_TUNING, param);
127
128 default:
129 RTC_NOTREACHED() << "Unsupported libvpx ctrl_id: " << ctrl_id;
130 }
131 return VPX_CODEC_ERROR;
132 }
133
codec_control(vpx_codec_ctx_t * ctx,vp8e_enc_control_id ctrl_id,int * param) const134 vpx_codec_err_t codec_control(vpx_codec_ctx_t* ctx,
135 vp8e_enc_control_id ctrl_id,
136 int* param) const override {
137 switch (ctrl_id) {
138 case VP8E_GET_LAST_QUANTIZER:
139 return vpx_codec_control(ctx, VP8E_GET_LAST_QUANTIZER, param);
140 case VP8E_GET_LAST_QUANTIZER_64:
141 return vpx_codec_control(ctx, VP8E_GET_LAST_QUANTIZER_64, param);
142 default:
143 RTC_NOTREACHED() << "Unsupported libvpx ctrl_id: " << ctrl_id;
144 }
145 return VPX_CODEC_ERROR;
146 }
147
codec_control(vpx_codec_ctx_t * ctx,vp8e_enc_control_id ctrl_id,vpx_roi_map * param) const148 vpx_codec_err_t codec_control(vpx_codec_ctx_t* ctx,
149 vp8e_enc_control_id ctrl_id,
150 vpx_roi_map* param) const override {
151 switch (ctrl_id) {
152 case VP8E_SET_ROI_MAP:
153 return vpx_codec_control(ctx, VP8E_SET_ROI_MAP, param);
154 default:
155 RTC_NOTREACHED() << "Unsupported libvpx ctrl_id: " << ctrl_id;
156 }
157 return VPX_CODEC_ERROR;
158 }
159
codec_control(vpx_codec_ctx_t * ctx,vp8e_enc_control_id ctrl_id,vpx_active_map * param) const160 vpx_codec_err_t codec_control(vpx_codec_ctx_t* ctx,
161 vp8e_enc_control_id ctrl_id,
162 vpx_active_map* param) const override {
163 switch (ctrl_id) {
164 case VP8E_SET_ACTIVEMAP:
165 return vpx_codec_control(ctx, VP8E_SET_ACTIVEMAP, param);
166 default:
167 RTC_NOTREACHED() << "Unsupported libvpx ctrl_id: " << ctrl_id;
168 }
169 return VPX_CODEC_ERROR;
170 }
171
codec_control(vpx_codec_ctx_t * ctx,vp8e_enc_control_id ctrl_id,vpx_scaling_mode * param) const172 vpx_codec_err_t codec_control(vpx_codec_ctx_t* ctx,
173 vp8e_enc_control_id ctrl_id,
174 vpx_scaling_mode* param) const override {
175 switch (ctrl_id) {
176 case VP8E_SET_SCALEMODE:
177 return vpx_codec_control(ctx, VP8E_SET_SCALEMODE, param);
178 default:
179 RTC_NOTREACHED() << "Unsupported libvpx ctrl_id: " << ctrl_id;
180 }
181 return VPX_CODEC_ERROR;
182 }
183
codec_encode(vpx_codec_ctx_t * ctx,const vpx_image_t * img,vpx_codec_pts_t pts,uint64_t duration,vpx_enc_frame_flags_t flags,uint64_t deadline) const184 vpx_codec_err_t codec_encode(vpx_codec_ctx_t* ctx,
185 const vpx_image_t* img,
186 vpx_codec_pts_t pts,
187 uint64_t duration,
188 vpx_enc_frame_flags_t flags,
189 uint64_t deadline) const override {
190 return ::vpx_codec_encode(ctx, img, pts, duration, flags, deadline);
191 }
192
codec_get_cx_data(vpx_codec_ctx_t * ctx,vpx_codec_iter_t * iter) const193 const vpx_codec_cx_pkt_t* codec_get_cx_data(
194 vpx_codec_ctx_t* ctx,
195 vpx_codec_iter_t* iter) const override {
196 return ::vpx_codec_get_cx_data(ctx, iter);
197 }
198 };
199
200 } // namespace
201
CreateEncoder()202 std::unique_ptr<LibvpxInterface> LibvpxInterface::CreateEncoder() {
203 return std::make_unique<LibvpxVp8Facade>();
204 }
205
206 } // namespace webrtc
207