calculate progress and callback

calculate progress and callback

app/src/main/cpp/ffmpeg/ffmpeg.c

@@ -1849,6 +1849,13 @@ static void print_report(int is_last_report, int64_t timer_start, int64_t cur_ti
         }
     }
 
+    int64_t report_position = FFABS(pts) / AV_TIME_BASE;
+    int64_t report_duration = 0;
+    if(input_files) {
+        report_duration = input_files[0]->ctx->duration / AV_TIME_BASE;
+    }
+    progress_callback((int) report_position, (int) report_duration, STATE_RUNNING);
+
     if (is_last_report)
         print_final_stats(total_size);
 }
@@ -4929,6 +4936,7 @@ int run(int argc, char **argv)
 //    exit_program(received_nb_signals ? 255 : main_return_code);
 end:
     av_log(NULL, AV_LOG_INFO, "FFmpeg result=%d\n", main_return_code);
+    progress_callback(100, 100, main_return_code == 0 ? STATE_FINISH : STATE_ERROR);
     ffmpeg_cleanup(0);
     return main_return_code;
 }

app/src/main/cpp/ffmpeg/ffmpeg.h

@@ -667,4 +667,13 @@ int hwaccel_decode_init(AVCodecContext *avctx);
 
 int run(int argc, char **argv);
 
+enum ProgressState {
+    STATE_INIT,
+    STATE_RUNNING,
+    STATE_FINISH,
+    STATE_ERROR,
+};
+
+void progress_callback(int position, int duration, int state);
+
 #endif /* FFTOOLS_FFMPEG_H */

app/src/main/cpp/ffmpeg_cmd.c

@@ -9,9 +9,20 @@
 #define ALOGW(TAG, FORMAT, ...) __android_log_vprint(ANDROID_LOG_WARN, TAG, FORMAT, ##__VA_ARGS__);
 #define ALOGD(TAG, FORMAT, ...) __android_log_vprint(ANDROID_LOG_DEBUG, TAG, FORMAT, ##__VA_ARGS__);
 
+JNIEnv *ff_env;
+jclass ff_class;
+jmethodID ff_method;
+
 void log_callback(void*, int, const char*, va_list);
 
+void init(JNIEnv *env) {
+    ff_env = env;
+    ff_class = (*env)->FindClass(env, "com/frank/ffmpeg/FFmpegCmd");
+    ff_method = (*env)->GetStaticMethodID(env, ff_class, "onProgressCallback", "(III)V");
+}
+
 FFMPEG_FUNC(jint, handle, jobjectArray commands) {
+    init(env);
     // set the level of log
     av_log_set_level(AV_LOG_INFO);
     // set the callback of log, and redirect to print android log
@@ -57,3 +68,9 @@ void log_callback(void* ptr, int level, const char* format, va_list args) {
             break;
     }
 }
+
+void progress_callback(int position, int duration, int state) {
+    if (ff_env && ff_class && ff_method) {
+        (*ff_env)->CallStaticVoidMethod(ff_env, ff_class, ff_method, position, duration, state);
+    }
+}

app/src/main/java/com/frank/ffmpeg/FFmpegCmd.java

@@ -122,4 +122,8 @@ public class FFmpegCmd {
 
     private native static String handleProbe(String[] commands);
 
+    public static void onProgressCallback(int position, int duration, int state) {
+        Log.e("FFmpegCmd", "onProgress position=" + position + "--duration=" + duration);
+
+    }
 }