Add ENCODER.init

BUILD.gn

@@ -631,7 +631,7 @@ config("internal_config_base") {
 config("internal_config") {
   defines = []
   lib_dirs = [ "third_party/ffmpeg/lib" ]
-  libs = [ "avformat" ]
+  libs = [ "avformat", "avutil" ]
 
   # Only targets in this file and its subdirs can depend on this.
   visibility = [ "./*" ]

src/builtins/builtins-definitions.h

@@ -621,6 +621,7 @@ namespace internal {
   CPP(JsonStringify)                                                           \
                                                                                \
   /* ENCODER */                                                                \
+  CPP(InitEncodeContext)                                                       \
   CPP(Encode)                                                                  \
                                                                                \
   /* Web snapshots */                                                          \

src/builtins/builtins-encoder.cc

@@ -5,18 +5,44 @@
 
 extern "C" {
 #include "libavformat/avformat.h"
+#include "libavutil/avutil.h"
 }
 
 
 namespace v8 {
 namespace internal {
 
+bool inited = false;
+AVFormatContext *format = NULL;
+AVCodecContext *cc;
+
+BUILTIN(InitEncodeContext) {
+    HandleScope scope(isolate);
+    Handle<Object> path = args.atOrUndefined(isolate, 1);
+    Handle<String> string;
+    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, string,
+                                       Object::ToString(isolate, path));
+
+    if (inited) return *isolate->factory()->ToBoolean(false);
+
+    int ret = avformat_alloc_output_context2(
+        &format, NULL, NULL, "/home/linshizhi/aa.mp4");
+    if (ret < 0) {
+        printf("Failed to alloc output context: %s\n", av_err2str(ret));
+        return *isolate->factory()->ToBoolean(false);
+    }
+
+    inited = true;
+
+    return *isolate->factory()->ToBoolean(true);
+}
+
 BUILTIN(Encode) {
     HandleScope scope(isolate);
 
+
     printf("Encoding...\n");
 
-    AVFormatContext *format = avformat_alloc_context();
 
     return *isolate->factory()->ToBoolean(
         format != NULL ? true : false);

src/init/bootstrapper.cc

@@ -2790,6 +2790,8 @@ void Genesis::InitializeGlobal(Handle<JSGlobalObject> global_object,
     Handle<JSObject> encoder =
         factory->NewJSObject(isolate_->object_function(), AllocationType::kOld);
     JSObject::AddProperty(isolate_, global, "ENCODER", encoder, DONT_ENUM);
+    SimpleInstallFunction(isolate_, encoder, "init",
+                          Builtin::kInitEncodeContext, 1, true);
     SimpleInstallFunction(isolate_, encoder, "encode",
                           Builtin::kEncode, 0, true);
     InstallToStringTag(isolate_, encoder, "ENCODER");

third_party/ffmpeg/lib/libavformat.so.59

+libavformat.so.59.5.100
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