mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-23 11:17:09 +08:00
82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
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/*
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* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
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*
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* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
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*
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* Use of this source code is governed by MIT 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_h264_splitter.h"
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#include "Http/HttpRequestSplitter.h"
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using namespace mediakit;
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class H264Splitter : public HttpRequestSplitter {
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public:
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using onH264 = function<void(const char *data, size_t len)>;
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H264Splitter() = default;
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~H264Splitter() override;
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void setOnSplitted(onH264 cb);
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protected:
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ssize_t onRecvHeader(const char *data, size_t len) override;
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const char *onSearchPacketTail(const char *data, size_t len) override;
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private:
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onH264 _cb;
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};
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void H264Splitter::setOnSplitted(H264Splitter::onH264 cb) {
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_cb = std::move(cb);
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}
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H264Splitter::~H264Splitter() {
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if (remainDataSize()) {
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_cb(remainData(), remainDataSize());
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}
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}
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ssize_t H264Splitter::onRecvHeader(const char *data, size_t len) {
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_cb(data, len);
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return 0;
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}
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const char *H264Splitter::onSearchPacketTail(const char *data, size_t len) {
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for (size_t i = 2; len > 2 && i < len - 2; ++i) {
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//判断0x00 00 01
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if (data[i] == 0 && data[i + 1] == 0 && data[i + 2] == 1) {
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if (i > 0 && data[i - 1] == 0) {
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//找到0x00 00 00 01
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return data + i - 1;
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}
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return data + i;
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}
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}
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return nullptr;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////
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API_EXPORT mk_h264_splitter API_CALL mk_h264_splitter_create(on_mk_h264_splitter_frame cb, void *user_data) {
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assert(cb);
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auto ptr = new H264Splitter();
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ptr->setOnSplitted([cb, ptr, user_data](const char *data, size_t len) {
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cb(user_data, reinterpret_cast<mk_h264_splitter>(ptr), data, len);
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});
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return reinterpret_cast<mk_h264_splitter>(ptr);
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}
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API_EXPORT void API_CALL mk_h264_splitter_release(mk_h264_splitter ctx){
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assert(ctx);
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auto ptr = reinterpret_cast<H264Splitter *>(ctx);
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delete ptr;
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}
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API_EXPORT void API_CALL mk_h264_splitter_input_data(mk_h264_splitter ctx, const char *data, int size) {
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assert(ctx && data && size);
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auto ptr = reinterpret_cast<H264Splitter *>(ctx);
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ptr->input(data, size);
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}
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