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- /*
- * Copyright (c) 2018 The WebRTC 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 MODULES_VIDEO_CODING_CODECS_VP8_LIBVPX_INTERFACE_H_
- #define MODULES_VIDEO_CODING_CODECS_VP8_LIBVPX_INTERFACE_H_
- #include <stdint.h>
- #include <memory>
- #include "vpx/vp8cx.h"
- #include "vpx/vpx_codec.h"
- #include "vpx/vpx_encoder.h"
- #include "vpx/vpx_image.h"
- namespace webrtc {
- // This interface is a proxy to to the static libvpx functions, so that they
- // can be mocked for testing. Currently supports VP8 encoder functions.
- // TODO(sprang): Extend this to VP8 decoder and VP9 encoder/decoder too.
- class LibvpxInterface {
- public:
- LibvpxInterface() = default;
- virtual ~LibvpxInterface() = default;
- virtual vpx_image_t* img_alloc(vpx_image_t* img,
- vpx_img_fmt_t fmt,
- unsigned int d_w,
- unsigned int d_h,
- unsigned int align) const = 0;
- virtual vpx_image_t* 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) const = 0;
- virtual void img_free(vpx_image_t* img) const = 0;
- virtual vpx_codec_err_t codec_enc_config_set(
- vpx_codec_ctx_t* ctx,
- const vpx_codec_enc_cfg_t* cfg) const = 0;
- virtual vpx_codec_err_t codec_enc_config_default(
- vpx_codec_iface_t* iface,
- vpx_codec_enc_cfg_t* cfg,
- unsigned int usage) const = 0;
- virtual vpx_codec_err_t 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) const = 0;
- virtual vpx_codec_err_t 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) const = 0;
- virtual vpx_codec_err_t codec_destroy(vpx_codec_ctx_t* ctx) const = 0;
- virtual vpx_codec_err_t codec_control(vpx_codec_ctx_t* ctx,
- vp8e_enc_control_id ctrl_id,
- uint32_t param) const = 0;
- virtual vpx_codec_err_t codec_control(vpx_codec_ctx_t* ctx,
- vp8e_enc_control_id ctrl_id,
- int param) const = 0;
- virtual vpx_codec_err_t codec_control(vpx_codec_ctx_t* ctx,
- vp8e_enc_control_id ctrl_id,
- int* param) const = 0;
- virtual vpx_codec_err_t codec_control(vpx_codec_ctx_t* ctx,
- vp8e_enc_control_id ctrl_id,
- vpx_roi_map* param) const = 0;
- virtual vpx_codec_err_t codec_control(vpx_codec_ctx_t* ctx,
- vp8e_enc_control_id ctrl_id,
- vpx_active_map* param) const = 0;
- virtual vpx_codec_err_t codec_control(vpx_codec_ctx_t* ctx,
- vp8e_enc_control_id ctrl_id,
- vpx_scaling_mode* param) const = 0;
- virtual vpx_codec_err_t 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) const = 0;
- virtual const vpx_codec_cx_pkt_t* codec_get_cx_data(
- vpx_codec_ctx_t* ctx,
- vpx_codec_iter_t* iter) const = 0;
- virtual const char* codec_error_detail(vpx_codec_ctx_t* ctx) const = 0;
- // Returns interface wrapping the actual libvpx functions.
- static std::unique_ptr<LibvpxInterface> CreateEncoder();
- };
- } // namespace webrtc
- #endif // MODULES_VIDEO_CODING_CODECS_VP8_LIBVPX_INTERFACE_H_
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