ZLMediaKit/api/source/mk_media.cpp
2023-04-18 10:38:12 +08:00

324 lines
12 KiB
C++
Executable File

/*
* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
*
* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
*
* Use of this source code is governed by MIT license that can be found in the
* LICENSE file in the root of the source tree. All contributing project authors
* may be found in the AUTHORS file in the root of the source tree.
*/
#include "mk_media.h"
#include "Util/logger.h"
#include "Common/Device.h"
using namespace std;
using namespace toolkit;
using namespace mediakit;
class MediaHelper: public MediaSourceEvent, public std::enable_shared_from_this<MediaHelper> {
public:
using Ptr = std::shared_ptr<MediaHelper>;
MediaHelper(const char *vhost, const char *app, const char *stream, float duration, const ProtocolOption &option) {
_poller = EventPollerPool::Instance().getPoller();
// 在poller线程中创建DevChannel(MultiMediaSourceMuxer)对象,确保严格的线程安全限制
_poller->sync([&]() { _channel = std::make_shared<DevChannel>(vhost, app, stream, duration, option); });
}
~MediaHelper() = default;
void attachEvent() { _channel->setMediaListener(shared_from_this()); }
DevChannel::Ptr &getChannel() { return _channel; }
void setOnClose(on_mk_media_close cb, std::shared_ptr<void> user_data) {
_on_close = cb;
_on_close_data = std::move(user_data);
}
void setOnSeek(on_mk_media_seek cb, std::shared_ptr<void> user_data) {
_on_seek = cb;
_on_seek_data = std::move(user_data);
}
void setOnPause(on_mk_media_pause cb, std::shared_ptr<void> user_data) {
_on_pause = cb;
_on_pause_data = std::move(user_data);
}
void setOnSpeed(on_mk_media_speed cb, std::shared_ptr<void> user_data) {
_on_speed = cb;
_on_speed_data = std::move(user_data);
}
void setOnRegist(on_mk_media_source_regist cb, std::shared_ptr<void> user_data) {
_on_regist = cb;
_on_regist_data = std::move(user_data);
}
protected:
// 通知其停止推流
bool close(MediaSource &sender) override {
if (!_on_close) {
//未设置回调,没法关闭
WarnL << "请使用mk_media_set_on_close函数设置回调函数!";
return false;
}
//请在回调中调用mk_media_release函数释放资源,否则MediaSource::close()操作不会生效
_on_close(_on_close_data.get());
WarnL << "close media: " << sender.getUrl();
return true;
}
bool seekTo(MediaSource &sender, uint32_t stamp) override {
if (!_on_seek) {
return false;
}
return _on_seek(_on_seek_data.get(), stamp);
}
// 通知暂停或恢复
bool pause(MediaSource &sender, bool pause) override {
if (!_on_pause) {
return false;
}
return _on_pause(_on_pause_data.get(), pause);
}
//通知倍数播放
bool speed(MediaSource &sender, float speed) override {
if (!_on_speed) {
return false;
}
return _on_speed(_on_speed_data.get(), speed);
}
void onRegist(MediaSource &sender, bool regist) override {
if (_on_regist) {
_on_regist(_on_regist_data.get(), (mk_media_source)&sender, regist);
}
}
toolkit::EventPoller::Ptr getOwnerPoller(MediaSource &sender) override { return _poller; }
private:
EventPoller::Ptr _poller;
DevChannel::Ptr _channel;
on_mk_media_close _on_close = nullptr;
on_mk_media_seek _on_seek = nullptr;
on_mk_media_pause _on_pause = nullptr;
on_mk_media_speed _on_speed = nullptr;
on_mk_media_source_regist _on_regist = nullptr;
std::shared_ptr<void> _on_seek_data;
std::shared_ptr<void> _on_pause_data;
std::shared_ptr<void> _on_speed_data;
std::shared_ptr<void> _on_close_data;
std::shared_ptr<void> _on_regist_data;
};
API_EXPORT void API_CALL mk_media_set_on_close(mk_media ctx, on_mk_media_close cb, void *user_data) {
mk_media_set_on_close2(ctx, cb, user_data, nullptr);
}
API_EXPORT void API_CALL mk_media_set_on_close2(mk_media ctx, on_mk_media_close cb, void *user_data, on_user_data_free user_data_free) {
assert(ctx);
MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
std::shared_ptr<void> ptr(user_data, user_data_free ? user_data_free : [](void *) {});
(*obj)->setOnClose(cb, std::move(ptr));
}
API_EXPORT void API_CALL mk_media_set_on_seek(mk_media ctx, on_mk_media_seek cb, void *user_data) {
mk_media_set_on_seek2(ctx, cb, user_data, nullptr);
}
API_EXPORT void API_CALL mk_media_set_on_seek2(mk_media ctx, on_mk_media_seek cb, void *user_data, on_user_data_free user_data_free) {
assert(ctx);
MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
std::shared_ptr<void> ptr(user_data, user_data_free ? user_data_free : [](void *) {});
(*obj)->setOnSeek(cb, std::move(ptr));
}
API_EXPORT void API_CALL mk_media_set_on_pause(mk_media ctx, on_mk_media_pause cb, void *user_data) {
mk_media_set_on_pause2(ctx, cb, user_data, nullptr);
}
API_EXPORT void API_CALL mk_media_set_on_pause2(mk_media ctx, on_mk_media_pause cb, void *user_data, on_user_data_free user_data_free) {
assert(ctx);
MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
std::shared_ptr<void> ptr(user_data, user_data_free ? user_data_free : [](void *) {});
(*obj)->setOnPause(cb, std::move(ptr));
}
API_EXPORT void API_CALL mk_media_set_on_speed(mk_media ctx, on_mk_media_speed cb, void *user_data) {
mk_media_set_on_speed2(ctx, cb, user_data, nullptr);
}
API_EXPORT void API_CALL mk_media_set_on_speed2(mk_media ctx, on_mk_media_speed cb, void *user_data, on_user_data_free user_data_free) {
assert(ctx);
MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
std::shared_ptr<void> ptr(user_data, user_data_free ? user_data_free : [](void *) {});
(*obj)->setOnSpeed(cb, std::move(ptr));
}
API_EXPORT void API_CALL mk_media_set_on_regist(mk_media ctx, on_mk_media_source_regist cb, void *user_data) {
mk_media_set_on_regist2(ctx, cb, user_data, nullptr);
}
API_EXPORT void API_CALL mk_media_set_on_regist2(mk_media ctx, on_mk_media_source_regist cb, void *user_data, on_user_data_free user_data_free) {
assert(ctx);
MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
std::shared_ptr<void> ptr(user_data, user_data_free ? user_data_free : [](void *) {});
(*obj)->setOnRegist(cb, std::move(ptr));
}
API_EXPORT int API_CALL mk_media_total_reader_count(mk_media ctx) {
assert(ctx);
MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
return (*obj)->getChannel()->totalReaderCount();
}
API_EXPORT mk_media API_CALL mk_media_create(const char *vhost, const char *app, const char *stream,
float duration, int hls_enabled, int mp4_enabled) {
assert(vhost && app && stream);
ProtocolOption option;
option.enable_hls = hls_enabled;
option.enable_mp4 = mp4_enabled;
MediaHelper::Ptr *obj(new MediaHelper::Ptr(new MediaHelper(vhost, app, stream, duration, option)));
(*obj)->attachEvent();
return (mk_media) obj;
}
API_EXPORT mk_media API_CALL mk_media_create2(const char *vhost, const char *app, const char *stream, float duration, mk_ini ini) {
assert(vhost && app && stream && ini);
ProtocolOption option(*((mINI *)ini));
MediaHelper::Ptr *obj(new MediaHelper::Ptr(new MediaHelper(vhost, app, stream, duration, option)));
(*obj)->attachEvent();
return (mk_media) obj;
}
API_EXPORT void API_CALL mk_media_release(mk_media ctx) {
assert(ctx);
MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
delete obj;
}
API_EXPORT int API_CALL mk_media_init_video(mk_media ctx, int codec_id, int width, int height, float fps, int bit_rate) {
assert(ctx);
MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
VideoInfo info;
info.codecId = (CodecId)codec_id;
info.iFrameRate = fps;
info.iWidth = width;
info.iHeight = height;
info.iBitRate = bit_rate;
return (*obj)->getChannel()->initVideo(info);
}
API_EXPORT int API_CALL mk_media_init_audio(mk_media ctx, int codec_id, int sample_rate, int channels, int sample_bit) {
assert(ctx);
MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
AudioInfo info;
info.codecId = (CodecId)codec_id;
info.iSampleRate = sample_rate;
info.iChannel = channels;
info.iSampleBit = sample_bit;
return (*obj)->getChannel()->initAudio(info);
}
API_EXPORT void API_CALL mk_media_init_track(mk_media ctx, mk_track track) {
assert(ctx && track);
MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
(*obj)->getChannel()->addTrack(*((Track::Ptr *) track));
}
API_EXPORT void API_CALL mk_media_init_complete(mk_media ctx) {
assert(ctx);
MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
(*obj)->getChannel()->addTrackCompleted();
}
API_EXPORT int API_CALL mk_media_input_frame(mk_media ctx, mk_frame frame) {
assert(ctx && frame);
MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
return (*obj)->getChannel()->inputFrame(*((Frame::Ptr *) frame));
}
API_EXPORT int API_CALL mk_media_input_h264(mk_media ctx, const void *data, int len, uint64_t dts, uint64_t pts) {
assert(ctx && data && len > 0);
MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
return (*obj)->getChannel()->inputH264((const char *) data, len, dts, pts);
}
API_EXPORT int API_CALL mk_media_input_h265(mk_media ctx, const void *data, int len, uint64_t dts, uint64_t pts) {
assert(ctx && data && len > 0);
MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
return (*obj)->getChannel()->inputH265((const char *) data, len, dts, pts);
}
API_EXPORT void API_CALL mk_media_input_yuv(mk_media ctx, const char *yuv[3], int linesize[3], uint64_t cts) {
assert(ctx && yuv && linesize);
MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
(*obj)->getChannel()->inputYUV((char **) yuv, linesize, cts);
}
API_EXPORT int API_CALL mk_media_input_aac(mk_media ctx, const void *data, int len, uint64_t dts, void *adts) {
assert(ctx && data && len > 0 && adts);
MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
return (*obj)->getChannel()->inputAAC((const char *) data, len, dts, (char *) adts);
}
API_EXPORT int API_CALL mk_media_input_pcm(mk_media ctx, void *data, int len, uint64_t pts) {
assert(ctx && data && len > 0);
MediaHelper::Ptr* obj = (MediaHelper::Ptr*) ctx;
return (*obj)->getChannel()->inputPCM((char*)data, len, pts);
}
API_EXPORT int API_CALL mk_media_input_audio(mk_media ctx, const void *data, int len, uint64_t dts) {
assert(ctx && data && len > 0);
MediaHelper::Ptr* obj = (MediaHelper::Ptr*) ctx;
return (*obj)->getChannel()->inputAudio((const char*)data, len, dts);
}
API_EXPORT void API_CALL mk_media_start_send_rtp(mk_media ctx, const char *dst_url, uint16_t dst_port, const char *ssrc, int is_udp, on_mk_media_send_rtp_result cb, void *user_data) {
mk_media_start_send_rtp2(ctx, dst_url, dst_port, ssrc, is_udp, cb, user_data, nullptr);
}
API_EXPORT void API_CALL mk_media_start_send_rtp2(mk_media ctx, const char *dst_url, uint16_t dst_port, const char *ssrc, int is_udp, on_mk_media_send_rtp_result cb, void *user_data,
on_user_data_free user_data_free) {
assert(ctx && dst_url && ssrc);
MediaHelper::Ptr* obj = (MediaHelper::Ptr*) ctx;
MediaSourceEvent::SendRtpArgs args;
args.dst_url = dst_url;
args.dst_port = dst_port;
args.ssrc = ssrc;
args.is_udp = is_udp;
// sender参数无用
auto ref = *obj;
std::shared_ptr<void> ptr(user_data, user_data_free ? user_data_free : [](void *) {});
(*obj)->getChannel()->getOwnerPoller(MediaSource::NullMediaSource())->async([args, ref, cb, ptr]() {
ref->getChannel()->startSendRtp(MediaSource::NullMediaSource(), args, [cb, ptr](uint16_t local_port, const SockException &ex) {
if (cb) {
cb(ptr.get(), local_port, ex.getErrCode(), ex.what());
}
});
});
}
API_EXPORT void API_CALL mk_media_stop_send_rtp(mk_media ctx, const char *ssrc) {
assert(ctx);
MediaHelper::Ptr *obj = (MediaHelper::Ptr *)ctx;
// sender参数无用
auto ref = *obj;
string ssrc_str = ssrc ? ssrc : "";
(*obj)->getChannel()->getOwnerPoller(MediaSource::NullMediaSource())->async([ref, ssrc_str]() {
ref->getChannel()->stopSendRtp(MediaSource::NullMediaSource(), ssrc_str);
});
}
API_EXPORT mk_thread API_CALL mk_media_get_owner_thread(mk_media ctx) {
MediaHelper::Ptr *obj = (MediaHelper::Ptr *)ctx;
return (mk_thread)(*obj)->getChannel()->getOwnerPoller(MediaSource::NullMediaSource()).get();
}