1 /* 2 * Copyright (C) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef PLAYER_TRACK_PARSE_H 17 #define PLAYER_TRACK_PARSE_H 18 19 #include <mutex> 20 #include <vector> 21 #include <unordered_map> 22 #include <gst/gst.h> 23 #include <gst/player/player.h> 24 #include "format.h" 25 26 namespace OHOS { 27 namespace Media { 28 class PlayerTrackParse { 29 public: 30 static std::shared_ptr<PlayerTrackParse> Create(); 31 int32_t GetVideoTrackInfo(std::vector<Format> &videoTrack); 32 int32_t GetAudioTrackInfo(std::vector<Format> &audioTrack); 33 void SetDemuxerElementFind(bool isFind); 34 bool GetDemuxerElementFind() const; 35 void SetUpDemuxerElementCb(GstElement &elem); 36 void SetUpParseElementCb(GstElement &elem); 37 void Stop(); 38 static void OnPadAddedCb(const GstElement *element, GstPad *pad, gpointer userData); 39 PlayerTrackParse(); 40 ~PlayerTrackParse(); 41 42 private: 43 GstPadProbeReturn GetTrackParse(GstPad *pad, GstPadProbeInfo *info); 44 void ConvertToPlayerKeys(const Format &innerMeta, Format &outMeta) const; 45 bool AddProbeToPad(const GstElement *element, GstPad *pad); 46 bool AddProbeToPadList(const GstElement *element, GList &list); 47 static GstPadProbeReturn ProbeCallback(GstPad *pad, GstPadProbeInfo *info, gpointer userData); 48 bool demuxerElementFind_ = false; 49 std::unordered_map<GstPad *, Format> trackInfos_; 50 int32_t trackcount_ = 0; 51 struct SignalInfo { 52 GstElement *element; 53 gulong signalId; 54 }; 55 std::vector<SignalInfo> signalIds_; 56 struct PadInfo { 57 GstPad *pad; 58 gulong probeId; 59 }; 60 std::unordered_map<GstPad *, gulong> padProbes_; 61 std::mutex signalIdMutex_; 62 std::mutex padProbeMutex_; 63 std::mutex trackInfoMutex_; 64 }; 65 } 66 } 67 #endif 68