add audio capture service

Signed-off-by: starfish002 <shaoyuan.zhang@huawei.com>

media/BUILD.gn

@@ -29,6 +29,24 @@ executable("camera_sample") {
   output_dir = "$root_out_dir/dev_tools"
 }
 
+executable("audio_capture_sample") {
+  sources = [ "audio_capture_sample.cpp" ]
+  cflags = [ "-Wall" ]
+  cflags_cc = cflags
+
+  include_dirs = [ "//foundation/multimedia/audio_lite/interfaces/kits" ]
+  include_dirs += [ "//foundation/multimedia/utils/lite/interfaces/kits" ]
+
+  ldflags = [ "-lstdc++" ]
+  ldflags += [ "-lpthread" ]
+  ldflags += [ "-Wl,-rpath-link=$ohos_root_path/$root_out_dir" ]
+  deps = [
+    "//foundation/multimedia/audio_lite/frameworks:audio_capturer_lite",
+    "//third_party/bounds_checking_function:libsec_shared",
+  ]
+  output_dir = "$root_out_dir/dev_tools"
+}
+
 executable("player_sample") {
   sources = [ "player_sample.cpp" ]
   cflags = [ "-Wall" ]
@@ -48,5 +66,6 @@ lite_component("media_sample") {
   features = [
     ":camera_sample",
     ":player_sample",
+    ":audio_capture_sample",
   ]
 }

media/audio_capture_sample.cpp

@@ -15,8 +15,9 @@
 
 #include <ctime>
 #include <iostream>
-#include <thread>
 #include <string>
+#include <thread>
+#include <unistd.h>
 #include "audio_capturer.h"
 #include "media_errors.h"
 #include "securec.h"
@@ -93,6 +94,7 @@ static char *GernerateFileName(AudioCodecFormat format)
 
 static void AudioInputSourceProcess(AudioSourceInput *audioSourceInput)
 {
+    const int32_t waitTimeUs = 20000;
     std::cout << "audioSourceInput: " << audioSourceInput << std::endl;
     if (audioSourceInput == nullptr) {
         return;
@@ -114,8 +116,9 @@ static void AudioInputSourceProcess(AudioSourceInput *audioSourceInput)
     while (audioSourceInput->bThreadRun) {
         int ret = audioSourceInput->audioCap->Read(audioSourceInput->buffer,
             audioSourceInput->framesize, false);
-        if (ret == -1) {
+        if (ret <= 0) {
             std::cout << "audioCap Read failed ret:" << ret << std::endl;
+            usleep(waitTimeUs);
             continue;
         }
         if (fwrite(audioSourceInput->buffer, 1, ret, pfd) != ret) {