Changeset 40364 for titan/libeplayer3/playback/playback.c

Timestamp:

04/24/17 23:40:31 (7 years ago)

Author:

obi

Message:

add slowmotion fastforward/fastbackward

File:

• titan/libeplayer3/playback/playback.c (modified) (4 diffs)

titan/libeplayer3/playback/playback.c

@@ -264 +264 @@
     {
         set_pause_timeout(1);
-        
+//obi      
+        if(context->playback->SlowMotion) 
+             context->output->Command(context, OUTPUT_CLEAR, NULL);        context->output->Command(context, OUTPUT_PAUSE, NULL);
+//obi (end)
+
         context->output->Command(context, OUTPUT_PAUSE, NULL);
 
@@ -297 +301 @@
         set_pause_timeout(0);
 
+//obi      
+        if(context->playback->SlowMotion) 
+             context->output->Command(context, OUTPUT_CLEAR, NULL);        context->output->Command(context, OUTPUT_PAUSE, NULL);
+//obi (end)
         context->output->Command(context, OUTPUT_CONTINUE, NULL);
 
@@ -388 +396 @@
     return ret;
 }
+
+//obi
+static int PlaybackFastForward(Context_t  *context, int* speed) {
+    int32_t ret = cERR_PLAYBACK_NO_ERROR;
+
+    playback_printf(10, "speed %d\n", *speed);
+
+    /* Audio only forwarding not supported */
+    if (context->playback->isVideo && !context->playback->isHttp && !context->playback->BackWard && (!context->playback->isPaused || context->playback->isPlaying)) {
+
+        if ((*speed <= 0) || (*speed > cMaxSpeed_ff))
+        {
+            playback_err("speed %d out of range (1 - %d) \n", *speed, cMaxSpeed_ff);
+            return cERR_PLAYBACK_ERROR;
+        }
+
+        context->playback->isForwarding = 1;
+        context->playback->Speed = *speed;
+
+        playback_printf(20, "Speed: %d x {%d}\n", *speed, context->playback->Speed);
+
+        context->output->Command(context, OUTPUT_FASTFORWARD, NULL);
+    } else
+    {
+        playback_err("fast forward not possible\n");
+        ret = cERR_PLAYBACK_ERROR;
+    }
+
+    playback_printf(10, "exiting with value %d\n", ret);
+
+    return ret;
+}
+
+static int PlaybackFastBackward(Context_t  *context,int* speed) {
+    int32_t ret = cERR_PLAYBACK_NO_ERROR;
+
+    playback_printf(10, "speed = %d\n", *speed);
+
+    /* Audio only reverse play not supported */
+    if (context->playback->isVideo && !context->playback->isForwarding && (!context->playback->isPaused || context->playback->isPlaying)) {
+
+        if ((*speed > 0) || (*speed < cMaxSpeed_fr))
+        {
+            playback_err("speed %d out of range (0 - %d) \n", *speed, cMaxSpeed_fr);
+            return cERR_PLAYBACK_ERROR;
+        }
+
+        if (*speed == 0)
+        {
+            context->playback->BackWard = 0;
+            context->playback->Speed = 0;    /* reverse end */
+        } else
+        {
+            context->playback->isSeeking = 1;
+            context->playback->Speed = *speed;
+            context->playback->BackWard = 2^(*speed);
+         
+            playback_printf(1, "S %d B %f\n", context->playback->Speed, context->playback->BackWard);
+        }
+
+        context->output->Command(context, OUTPUT_AUDIOMUTE, "1");
+        context->output->Command(context, OUTPUT_CLEAR, NULL);
+        if (context->output->Command(context, OUTPUT_REVERSE, NULL) < 0)
+        {
+            playback_err("OUTPUT_REVERSE failed\n");
+            context->playback->BackWard = 0;
+            context->playback->Speed = 1;
+            context->playback->isSeeking = 0;
+            ret = cERR_PLAYBACK_ERROR;
+        }
+    } else
+    {
+        playback_err("fast backward not possible\n");
+        ret = cERR_PLAYBACK_ERROR;
+    }
+
+    context->playback->isSeeking = 0;
+    playback_printf(10, "exiting with value %d\n", ret);
+
+    return ret;
+}
+
+static int32_t PlaybackSlowMotion(Context_t  *context,int* speed) {
+    int32_t ret = cERR_PLAYBACK_NO_ERROR;
+
+    playback_printf(10, "\n");
+
+    //Audio only forwarding not supported
+    if (context->playback->isVideo && !context->playback->isHttp && context->playback->isPlaying) {
+        if(context->playback->isPaused)
+            PlaybackContinue(context);
+
+        switch(*speed) {
+        case 2:
+            context->playback->SlowMotion = 2;
+            break;
+        case 4:
+            context->playback->SlowMotion = 4;
+            break;
+        case 8:
+            context->playback->SlowMotion = 8;
+            break;
+        }
+
+        playback_printf(20, "SlowMotion: %d x {%d}\n", *speed, context->playback->SlowMotion);
+
+        context->output->Command(context, OUTPUT_SLOWMOTION, NULL);
+    } else
+    {
+        playback_err("slowmotion not possible\n");
+        ret = cERR_PLAYBACK_ERROR;
+    }
+
+    playback_printf(10, "exiting with value %d\n", ret);
+
+    return ret;
+}
+//obi (end)
 
 static int32_t PlaybackSeek(Context_t  *context, int64_t *pos, uint8_t absolute) 
@@ -685 +811 @@
             break;
         }
+//obi
+        case PLAYBACK_SLOWMOTION:
+        {
+            ret = PlaybackSlowMotion(context,(int*)argument);
+            break;
+        }
+        case PLAYBACK_FASTBACKWARD:
+        {
+            ret = PlaybackFastBackward(context,(int*)argument);
+            break;
+        }
+        case PLAYBACK_FASTFORWARD:
+        {
+            ret = PlaybackFastForward(context,(int*)argument);
+            break;
+        }
+//obi (end)
         case PLAYBACK_GET_FRAME_COUNT: 
         {