SRS 6.0-b0 源码 + danmaku 后端（排除 objs/3rdparty/测试媒体）

2026-08-27 21:46:20 +08:00
commit 41b5da7c7e
578 changed files with 237858 additions and 0 deletions
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+.PHONY: default clean
+
+default: cpu_profiler
+
+cpu_profiler: cpu_profiler.cc Makefile
+	g++ -o cpu_profiler cpu_profiler.cc -g -O0 -ansi \
+        -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free \
+        -I../../../objs/gperf/include ../../../objs/gperf/lib/libtcmalloc_and_profiler.a -lpthread
+clean:
+	rm -rf cpu_profiler ./srs.prof* ./*.dSYM
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+//
+// Copyright (c) 2013-2025 Winlin
+//
+// SPDX-License-Identifier: MIT
+//
+/**
+@see: https://gperftools.github.io/gperftools/cpuprofile.html
+config srs with gperf(to make gperftools):
+    ./configure --with-gperf --jobs=3
+set the pprof path if not set:
+    export PPROF_PATH=`pwd`/../../../objs/pprof
+to do cpu profile:
+    make && rm -f ./srs.prof* && env CPUPROFILE=./srs.prof ./cpu_profiler
+    $PPROF_PATH --text cpu_profiler ./srs.prof*
+to do cpu profile by signal:
+    make && rm -f ./srs.prof* && env CPUPROFILE=./srs.prof CPUPROFILESIGNAL=12 ./cpu_profiler
+    $PPROF_PATH --text cpu_profiler ./srs.prof*
+*/
+#include <stdio.h>
+#include <unistd.h>
+#include <signal.h>
+#include <stdlib.h>
+
+#include <gperftools/profiler.h>
+
+void cpu_profile_imp() {
+    for (int i = 0; i < 2; ++i) {
+        for (int j = 0; j < 110 * 1024 * 1024; ++j) {
+        }
+        printf("cpu profile, loop 110M\n");
+        printf("press CTRL+C if you want to abort the program.\n");
+        sleep(3);
+    }
+}
+void cpu_profile() {
+    cpu_profile_imp();
+}
+
+void handler(int sig) {
+    exit(0);
+}
+int main(int argc, char** argv) {
+    signal(SIGINT, handler);
+    
+    // must start profiler manually.
+    ProfilerStart(NULL);
+    
+    if (getenv("CPUPROFILESIGNAL")) {
+        printf("if specified CPUPROFILESIGNAL, use signal to active it: kill -12 %d\n", getpid());
+        sleep(3);
+    }
+    
+    cpu_profile();
+    // not neccessary to call stop.
+    //ProfilerStop();
+    
+    return 0;
+}
+
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+.PHONY: default clean
+
+default: heap_checker
+
+heap_checker: heap_checker.cc Makefile
+	g++ -o heap_checker heap_checker.cc -g -O0 -ansi \
+        -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free \
+        -I../../../objs/gperf/include ../../../objs/gperf/lib/libtcmalloc_and_profiler.a -lpthread
+clean:
+	rm -rf heap_checker ./*.dSYM
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+//
+// Copyright (c) 2013-2025 Winlin
+//
+// SPDX-License-Identifier: MIT
+//
+/**
+@see: https://gperftools.github.io/gperftools/heap_checker.html
+config srs with gperf(to make gperftools):
+    ./configure --gperf=on --jobs=3
+set the pprof path if not set:
+    export PPROF_PATH=`pwd`/../../../objs/pprof
+to check mem leak:
+    make && env HEAPCHECK=normal ./heap_checker
+*/
+#include <stdio.h>
+#include <unistd.h>
+#include <signal.h>
+#include <stdlib.h>
+
+#include <gperftools/profiler.h>
+
+void explicit_leak_imp() {
+    printf("func leak: do something...\n");
+    for (int i = 0; i < 1024; ++i) {
+        char* p = new char[1024];
+    }
+    printf("func leak: memory leaked\n");
+}
+void explicit_leak() {
+    explicit_leak_imp();
+}
+
+char* pglobal = NULL;
+void global_leak_imp() {
+    printf("global leak: do something...\n");
+    for (int i = 0; i < 1024; ++i) {
+        pglobal = new char[189];
+    }
+    printf("global leak: memory leaked\n");
+}
+void global_leak() {
+    global_leak_imp();
+}
+
+bool loop = true;
+void handler(int sig) {
+    // we must use signal to notice the main thread to exit normally.
+    if (sig == SIGINT) {
+        loop = false;
+    }
+}
+int main(int argc, char** argv) {
+    signal(SIGINT, handler);
+    
+    global_leak();
+    printf("press CTRL+C if you want to abort the program.\n");
+    sleep(3);
+    if (!loop) {
+        return 0;
+    }
+    
+    explicit_leak();
+    printf("press CTRL+C if you want to abort the program.\n");
+    sleep(3);
+    if (!loop) {
+        return 0;
+    }
+
+    return 0;
+}
+
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+.PHONY: default clean
+
+default: heap_defense
+
+heap_defense: heap_defense.cc Makefile
+	g++ -o heap_defense heap_defense.cc -g -O0 -ansi \
+        -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free \
+        -I../../../objs/gperf/include ../../../objs/gperf/lib/libtcmalloc_debug.a -lpthread
+clean:
+	rm -rf heap_defense ./*.dSYM
@@ -0,0 +1,30 @@
+//
+// Copyright (c) 2013-2025 Winlin
+//
+// SPDX-License-Identifier: MIT
+//
+/**
+@see: https://blog.csdn.net/win_lin/article/details/50461709
+config srs with gperf(to make gperftools):
+    ./configure --gperf=on --gmd=on --jobs=3
+to check mem corruption:
+    make && env TCMALLOC_PAGE_FENCE=1 ./heap_defense
+*/
+#include <stdio.h>
+
+void foo(char* buf) {
+    buf[16] = 0x0f;
+}
+
+void bar(char* buf) {
+    printf("buf[15]=%#x\n", (unsigned char)buf[15]);
+}
+
+int main(int argc, char** argv) {
+    char* buf = new char[16];
+    foo(buf);
+    bar(buf);
+
+    return 0;
+}
+
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+.PHONY: default clean
+
+default: heap_profiler
+
+heap_profiler: heap_profiler.cc Makefile
+	g++ -o heap_profiler heap_profiler.cc -g -O0 -ansi \
+        -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free \
+        -I../../../objs/gperf/include ../../../objs/gperf/lib/libtcmalloc_and_profiler.a -lpthread
+clean:
+	rm -f heap_profiler srs.*.heap ./*.dSYM
@@ -0,0 +1,48 @@
+//
+// Copyright (c) 2013-2025 Winlin
+//
+// SPDX-License-Identifier: MIT
+//
+/**
+@see: https://gperftools.github.io/gperftools/heapprofile.html
+config srs with gperf(to make gperftools):
+    ./configure --with-gperf --jobs=3
+set the pprof path if not set:
+    export PPROF_PATH=`pwd`/../../../objs/pprof
+to do mem profile:
+    make && rm -f srs.*.heap && env HEAPPROFILE=./srs ./heap_profiler
+    $PPROF_PATH --text heap_profiler ./*.heap
+*/
+#include <stdio.h>
+#include <unistd.h>
+#include <signal.h>
+#include <stdlib.h>
+
+#include <gperftools/heap-profiler.h>
+
+void memory_alloc_profile_imp() {
+    for (int i = 0; i < 2; ++i) {
+        char* p = new char[110 * 1024 * 1024];
+        for (int j = 0; j < 110 * 1024 * 1024; ++j) {
+            p[j] = j;
+        }
+        printf("mem profile, increase 110MB\n");
+        printf("press CTRL+C if you want to abort the program.\n");
+        sleep(5);
+    }
+}
+void memory_alloc_profile() {
+    memory_alloc_profile_imp();
+}
+
+int main(int argc, char** argv) {
+    // must start profiler manually.
+    HeapProfilerStart(NULL);
+    
+    memory_alloc_profile();
+    // not neccessary to call stop.
+    //HeapProfilerStop();
+    
+    return 0;
+}
+