64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
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/*
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* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MEDIA_ENGINE_WEBRTCVIDEOENCODERFACTORY_H_
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#define WEBRTC_MEDIA_ENGINE_WEBRTCVIDEOENCODERFACTORY_H_
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#include "webrtc/base/refcount.h"
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#include "webrtc/common_types.h"
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#include "webrtc/media/base/codec.h"
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namespace webrtc {
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class VideoEncoder;
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}
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namespace cricket {
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class WebRtcVideoEncoderFactory {
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public:
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struct VideoCodec {
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webrtc::VideoCodecType type;
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std::string name;
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int max_width;
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int max_height;
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int max_fps;
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VideoCodec(webrtc::VideoCodecType t, const std::string& nm, int w, int h,
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int fr)
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: type(t), name(nm), max_width(w), max_height(h), max_fps(fr) {
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}
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};
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virtual ~WebRtcVideoEncoderFactory() {}
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// Caller takes the ownership of the returned object and it should be released
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// by calling DestroyVideoEncoder().
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virtual webrtc::VideoEncoder* CreateVideoEncoder(
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webrtc::VideoCodecType type) = 0;
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// Returns a list of supported codecs in order of preference.
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virtual const std::vector<VideoCodec>& codecs() const = 0;
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// Returns true if encoders created by this factory of the given codec type
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// will use internal camera sources, meaning that they don't require/expect
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// frames to be delivered via webrtc::VideoEncoder::Encode. This flag is used
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// as the internal_source parameter to
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// webrtc::ViEExternalCodec::RegisterExternalSendCodec.
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virtual bool EncoderTypeHasInternalSource(webrtc::VideoCodecType type) const {
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return false;
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}
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virtual void DestroyVideoEncoder(webrtc::VideoEncoder* encoder) = 0;
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};
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} // namespace cricket
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#endif // WEBRTC_MEDIA_ENGINE_WEBRTCVIDEOENCODERFACTORY_H_
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