| Erik Språng | 5fbc0e0 | 2018-10-04 17:52:36 +0200 | [diff] [blame] | 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 | #ifndef MODULES_VIDEO_CODING_CODECS_VP8_LIBVPX_INTERFACE_H_ |
| 12 | #define MODULES_VIDEO_CODING_CODECS_VP8_LIBVPX_INTERFACE_H_ |
| 13 | |
| 14 | #include <memory> |
| 15 | |
| 16 | #include "vpx/vp8cx.h" |
| 17 | #include "vpx/vpx_encoder.h" |
| 18 | |
| 19 | namespace webrtc { |
| 20 | |
| 21 | // This interface is a proxy to to the static libvpx functions, so that they |
| 22 | // can be mocked for testing. Currently supports VP8 encoder functions. |
| 23 | // TODO(sprang): Extend this to VP8 decoder and VP9 encoder/decoder too. |
| 24 | class LibvpxInterface { |
| 25 | public: |
| 26 | LibvpxInterface() = default; |
| 27 | virtual ~LibvpxInterface() = default; |
| 28 | |
| 29 | virtual vpx_image_t* img_alloc(vpx_image_t* img, |
| 30 | vpx_img_fmt_t fmt, |
| 31 | unsigned int d_w, |
| 32 | unsigned int d_h, |
| 33 | unsigned int align) const = 0; |
| 34 | virtual vpx_image_t* img_wrap(vpx_image_t* img, |
| 35 | vpx_img_fmt_t fmt, |
| 36 | unsigned int d_w, |
| 37 | unsigned int d_h, |
| 38 | unsigned int stride_align, |
| 39 | unsigned char* img_data) const = 0; |
| 40 | virtual void img_free(vpx_image_t* img) const = 0; |
| 41 | |
| 42 | virtual vpx_codec_err_t codec_enc_config_set( |
| 43 | vpx_codec_ctx_t* ctx, |
| 44 | const vpx_codec_enc_cfg_t* cfg) const = 0; |
| 45 | virtual vpx_codec_err_t codec_enc_config_default( |
| 46 | vpx_codec_iface_t* iface, |
| 47 | vpx_codec_enc_cfg_t* cfg, |
| 48 | unsigned int usage) const = 0; |
| 49 | |
| 50 | virtual vpx_codec_err_t codec_enc_init(vpx_codec_ctx_t* ctx, |
| 51 | vpx_codec_iface_t* iface, |
| 52 | const vpx_codec_enc_cfg_t* cfg, |
| 53 | vpx_codec_flags_t flags) const = 0; |
| 54 | virtual vpx_codec_err_t codec_enc_init_multi(vpx_codec_ctx_t* ctx, |
| 55 | vpx_codec_iface_t* iface, |
| 56 | vpx_codec_enc_cfg_t* cfg, |
| 57 | int num_enc, |
| 58 | vpx_codec_flags_t flags, |
| 59 | vpx_rational_t* dsf) const = 0; |
| 60 | virtual vpx_codec_err_t codec_destroy(vpx_codec_ctx_t* ctx) const = 0; |
| 61 | |
| 62 | virtual vpx_codec_err_t codec_control(vpx_codec_ctx_t* ctx, |
| 63 | vp8e_enc_control_id ctrl_id, |
| 64 | uint32_t param) const = 0; |
| 65 | virtual vpx_codec_err_t codec_control(vpx_codec_ctx_t* ctx, |
| 66 | vp8e_enc_control_id ctrl_id, |
| 67 | int param) const = 0; |
| 68 | virtual vpx_codec_err_t codec_control(vpx_codec_ctx_t* ctx, |
| 69 | vp8e_enc_control_id ctrl_id, |
| 70 | int* param) const = 0; |
| 71 | virtual vpx_codec_err_t codec_control(vpx_codec_ctx_t* ctx, |
| 72 | vp8e_enc_control_id ctrl_id, |
| 73 | vpx_roi_map* param) const = 0; |
| 74 | virtual vpx_codec_err_t codec_control(vpx_codec_ctx_t* ctx, |
| 75 | vp8e_enc_control_id ctrl_id, |
| 76 | vpx_active_map* param) const = 0; |
| 77 | virtual vpx_codec_err_t codec_control(vpx_codec_ctx_t* ctx, |
| 78 | vp8e_enc_control_id ctrl_id, |
| 79 | vpx_scaling_mode* param) const = 0; |
| 80 | |
| 81 | virtual vpx_codec_err_t codec_encode(vpx_codec_ctx_t* ctx, |
| 82 | const vpx_image_t* img, |
| 83 | vpx_codec_pts_t pts, |
| 84 | uint64_t duration, |
| 85 | vpx_enc_frame_flags_t flags, |
| 86 | uint64_t deadline) const = 0; |
| 87 | |
| 88 | virtual const vpx_codec_cx_pkt_t* codec_get_cx_data( |
| 89 | vpx_codec_ctx_t* ctx, |
| 90 | vpx_codec_iter_t* iter) const = 0; |
| 91 | |
| 92 | // Returns interface wrapping the actual libvpx functions. |
| 93 | static std::unique_ptr<LibvpxInterface> CreateEncoder(); |
| 94 | }; |
| 95 | |
| 96 | } // namespace webrtc |
| 97 | |
| 98 | #endif // MODULES_VIDEO_CODING_CODECS_VP8_LIBVPX_INTERFACE_H_ |