mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-10-06 12:13:49 +08:00
226 lines
7.3 KiB
C++
226 lines
7.3 KiB
C++
/*
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* Copyright (c) 2016-present The ZLMediaKit project authors. All Rights Reserved.
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*
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* This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
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*
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* Use of this source code is governed by MIT-like license that can be found in the
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* LICENSE file in the root of the source tree. All contributing project authors
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* may be found in the AUTHORS file in the root of the source tree.
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*/
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#include "mk_frame.h"
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#include "Record/MPEG.h"
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#include "Extension/Factory.h"
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using namespace mediakit;
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extern "C" {
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#define XX(name, type, value, str, mpeg_id, mp4_id) API_EXPORT const int MK##name = value;
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CODEC_MAP(XX)
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#undef XX
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}
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namespace {
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class BufferFromPtr : public toolkit::Buffer {
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public:
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BufferFromPtr(char *ptr, size_t size, on_mk_frame_data_release cb, std::shared_ptr<void> user_data) {
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_ptr = ptr;
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_size = size;
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_cb = cb;
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_user_data = std::move(user_data);
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}
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~BufferFromPtr() override {
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_cb(_user_data.get(), _ptr);
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}
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char *data() const override { return _ptr; }
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size_t size() const override { return _size; }
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private:
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char *_ptr;
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size_t _size;
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on_mk_frame_data_release _cb;
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std::shared_ptr<void> _user_data;
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};
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}; // namespace
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static mk_frame mk_frame_create_complex(int codec_id, uint64_t dts, uint64_t pts, const char *data, size_t size,
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on_mk_frame_data_release cb, std::shared_ptr<void> user_data) {
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if (!cb) {
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// no cacheable
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return (mk_frame) new Frame::Ptr(Factory::getFrameFromPtr((CodecId)codec_id, data, size, dts, pts));
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}
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// cacheable
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auto buffer = std::make_shared<BufferFromPtr>((char *)data, size, cb, std::move(user_data));
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return (mk_frame) new Frame::Ptr(Factory::getFrameFromBuffer((CodecId)codec_id, std::move(buffer), dts, pts));
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}
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API_EXPORT mk_frame API_CALL mk_frame_create(int codec_id, uint64_t dts, uint64_t pts, const char *data, size_t size,
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on_mk_frame_data_release cb, void *user_data) {
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return mk_frame_create2(codec_id, dts, pts, data, size, cb, user_data, nullptr);
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}
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API_EXPORT mk_frame API_CALL mk_frame_create2(int codec_id, uint64_t dts, uint64_t pts, const char *data, size_t size,
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on_mk_frame_data_release cb, void *user_data, on_user_data_free user_data_free) {
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std::shared_ptr<void> ptr(user_data, user_data_free ? user_data_free : [](void *) {});
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return mk_frame_create_complex(codec_id, dts, pts, data, size, cb, std::move(ptr));
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}
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API_EXPORT void API_CALL mk_frame_unref(mk_frame frame) {
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assert(frame);
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delete (Frame::Ptr *) frame;
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}
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API_EXPORT mk_frame API_CALL mk_frame_ref(mk_frame frame) {
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assert(frame);
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return (mk_frame)new Frame::Ptr(Frame::getCacheAbleFrame(*((Frame::Ptr *) frame)));
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}
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API_EXPORT int API_CALL mk_frame_codec_id(mk_frame frame) {
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assert(frame);
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return (*((Frame::Ptr *) frame))->getCodecId();
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}
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API_EXPORT const char *API_CALL mk_frame_codec_name(mk_frame frame) {
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assert(frame);
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return (*((Frame::Ptr *) frame))->getCodecName();
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}
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API_EXPORT int API_CALL mk_frame_is_video(mk_frame frame) {
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assert(frame);
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return (*((Frame::Ptr *) frame))->getTrackType() == TrackVideo;
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}
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API_EXPORT const char *API_CALL mk_frame_get_data(mk_frame frame) {
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assert(frame);
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return (*((Frame::Ptr *) frame))->data();
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}
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API_EXPORT size_t API_CALL mk_frame_get_data_size(mk_frame frame) {
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assert(frame);
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return (*((Frame::Ptr *) frame))->size();
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}
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API_EXPORT size_t API_CALL mk_frame_get_data_prefix_size(mk_frame frame) {
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assert(frame);
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return (*((Frame::Ptr *) frame))->prefixSize();
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}
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API_EXPORT uint64_t API_CALL mk_frame_get_dts(mk_frame frame) {
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assert(frame);
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return (*((Frame::Ptr *) frame))->dts();
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}
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API_EXPORT uint64_t API_CALL mk_frame_get_pts(mk_frame frame) {
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assert(frame);
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return (*((Frame::Ptr *) frame))->pts();
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}
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API_EXPORT uint32_t API_CALL mk_frame_get_flags(mk_frame frame) {
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assert(frame);
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auto &ref = *((Frame::Ptr *) frame);
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uint32_t ret = 0;
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if (ref->keyFrame()) {
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ret |= MK_FRAME_FLAG_IS_KEY;
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}
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if (ref->configFrame()) {
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ret |= MK_FRAME_FLAG_IS_CONFIG;
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}
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if (ref->dropAble()) {
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ret |= MK_FRAME_FLAG_DROP_ABLE;
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}
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if (!ref->decodeAble()) {
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ret |= MK_FRAME_FLAG_NOT_DECODE_ABLE;
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}
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return ret;
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}
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API_EXPORT mk_frame_merger API_CALL mk_frame_merger_create(int type) {
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return reinterpret_cast<mk_frame_merger>(new FrameMerger(type));
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}
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API_EXPORT void API_CALL mk_frame_merger_release(mk_frame_merger ctx) {
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assert(ctx);
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delete reinterpret_cast<FrameMerger *>(ctx);
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}
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API_EXPORT void API_CALL mk_frame_merger_clear(mk_frame_merger ctx) {
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assert(ctx);
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reinterpret_cast<FrameMerger *>(ctx)->clear();
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}
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API_EXPORT void API_CALL mk_frame_merger_flush(mk_frame_merger ctx) {
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assert(ctx);
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reinterpret_cast<FrameMerger *>(ctx)->flush();
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}
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API_EXPORT void API_CALL mk_frame_merger_input(mk_frame_merger ctx, mk_frame frame, on_mk_frame_merger cb, void *user_data) {
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assert(ctx && frame && cb);
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reinterpret_cast<FrameMerger *>(ctx)->inputFrame(*((Frame::Ptr *) frame), [cb, user_data](uint64_t dts, uint64_t pts, const toolkit::Buffer::Ptr &buffer, bool have_key_frame) {
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cb(user_data, dts, pts, (mk_buffer)(&buffer), have_key_frame);
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});
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}
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//////////////////////////////////////////////////////////////////////
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class MpegMuxerForC : public MpegMuxer {
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public:
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using onMuxer = std::function<void(const char *frame, size_t size, uint64_t timestamp, int key_pos)>;
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MpegMuxerForC(bool is_ps) : MpegMuxer(is_ps) {
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_cb = nullptr;
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}
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~MpegMuxerForC() { MpegMuxer::flush(); };
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void setOnMuxer(onMuxer cb) {
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_cb = std::move(cb);
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}
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private:
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void onWrite(std::shared_ptr<toolkit::Buffer> buffer, uint64_t timestamp, bool key_pos) override {
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if (_cb) {
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if (!buffer) {
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_cb(nullptr, 0, timestamp, key_pos);
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} else {
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_cb(buffer->data(), buffer->size(), timestamp, key_pos);
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}
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}
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}
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private:
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onMuxer _cb;
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};
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API_EXPORT mk_mpeg_muxer API_CALL mk_mpeg_muxer_create(on_mk_mpeg_muxer_frame cb, void *user_data, int is_ps){
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assert(cb);
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auto ret = new MpegMuxerForC(is_ps);
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std::shared_ptr<void> ptr(user_data, [](void *) {});
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ret->setOnMuxer([cb, ptr, ret](const char *frame, size_t size, uint64_t timestamp, int key_pos) {
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cb(ptr.get(), reinterpret_cast<mk_mpeg_muxer>(ret), frame, size, timestamp, key_pos);
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});
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return reinterpret_cast<mk_mpeg_muxer>(ret);
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}
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API_EXPORT void API_CALL mk_mpeg_muxer_release(mk_mpeg_muxer ctx){
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assert(ctx);
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auto ptr = reinterpret_cast<MpegMuxerForC *>(ctx);
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delete ptr;
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}
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API_EXPORT void API_CALL mk_mpeg_muxer_init_track(mk_mpeg_muxer ctx, void* track) {
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assert(ctx && track);
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auto ptr = reinterpret_cast<MpegMuxerForC *>(ctx);
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ptr->addTrack(*((Track::Ptr *) track));
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}
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API_EXPORT void API_CALL mk_mpeg_muxer_init_complete(mk_mpeg_muxer ctx) {
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assert(ctx);
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auto ptr = reinterpret_cast<MpegMuxerForC *>(ctx);
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ptr->addTrackCompleted();
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}
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API_EXPORT int API_CALL mk_mpeg_muxer_input_frame(mk_mpeg_muxer ctx, mk_frame frame){
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assert(ctx && frame);
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auto ptr = reinterpret_cast<MpegMuxerForC *>(ctx);
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return ptr->inputFrame(*((Frame::Ptr *) frame));
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} |