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fixing_aspect_ratio_issues_for_your_videos [2016/06/06 09:54]
admin created
fixing_aspect_ratio_issues_for_your_videos [2016/06/07 04:09] (current)
admin [Step 3. Auto-correcting the aspect ratio for all videos streamed to your device]
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 +====== Fixing aspect ratio issues for your videos ======
 +
 Sometimes when you stream videos to your devices (such as your TV), videos may be stretched or squashed. ​ This can be caused by several reasons: Sometimes when you stream videos to your devices (such as your TV), videos may be stretched or squashed. ​ This can be caused by several reasons:
  
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   * Your video has badly encoded aspect ratio attributes.   * Your video has badly encoded aspect ratio attributes.
  
-==== Step 1. Adjusting the aspect ratio settings on your device ====+===== Step 1. Adjusting the aspect ratio settings on your device ​=====
  
  
-The first step to fixing aspect ratio issues is to check your device'​s settings. ​ When the video is playing on your device, press the [B]Options[/B] or [B]Tools[/B] button on your device'​s remote control and check if there are [B]View[/B] mode settings or [B]Aspect Ratio[/B] settings or [B]Zoom[/B] mode settings. ​ These usually let you fit the video to your device'​s display correctly.+The first step to fixing aspect ratio issues is to check if your device ​can adjust it'​s ​display ​settings. ​ When the video is playing on your device, press the **Options** or **Tools** button on your device'​s remote control and check if there are **View** mode settings or **Aspect Ratio** settings or **Zoom** mode settings. ​ These usually let you fit the video to your device'​s display correctly ​and no further steps are required.
  
-[SIZE=+1][B]Step 2. Correcting ​the video'​s aspect ratio in Mezzmo[/​B][/​SIZE]+===== Step 2. Correcting ​video file's aspect ratio via pre-transcoding =====
  
 If a video does not display correctly, then you can adjust the aspect ratio by pre-transcoding it in Mezzmo. If a video does not display correctly, then you can adjust the aspect ratio by pre-transcoding it in Mezzmo.
  
-[LIST=1] +  - Right-click on the video in Mezzmo and click **Pre-transcode Files**
-[*]Right-click on the video in Mezzmo and click [B]Pre-transcode Files[/B]+  ​- ​On the Pre-transcode Files dialog, select your devices and click **Choose Formats**
-[*]On the [B]Pre-transcode Files[/B] dialog, select your devices and click [B]Choose Formats[/B]+  ​- ​On the Pre-transcode Formats dialog, select the bolded format. 
-[*]On the [B]Pre-transcode Formats[/B] dialog, select the bolded format. +  ​- ​On the Pre-transcode Formats dialog, right-click on the selected File Format and choose the aspect ratio you wish to apply to your video
-[*]On the Pre-transcode Formats dialog, right-click on the selected File Format and choose the aspect ratio you wish to apply to your video.+  - Click OK to save your changes. 
 +  - Click OK to start transcoding the video. 
 +  - When transcoding has completed, try streaming the video to see how it is displayed on your device. ​ If it is still incorrect, then repeat the above steps with a different aspect ratio adjustment.
  
-[IMG]http://​www.conceiva.com/​products/​mezzmo/​images/​forum/​pre-transcode-formats-aspect-ratio.png[/​IMG] 
- 
-[*]Click OK to save your changes. 
-[*]Click OK to start transcoding the video. 
-[*]When transcoding has completed, try streaming the video to see how it is displayed on your device. ​ If it is still incorrect, then repeat the above steps with a different aspect ratio adjustment. 
-[/LIST] 
 The aspect ratio adjustments are: The aspect ratio adjustments are:
  
-[LIST] +  * **Default:** Use the settings from the device'​s device profile and user adjustments made in the Device Settings dialog (Performance tab) (see Step 3). 
-[*][B]Default:[/B] Use the settings from the device'​s device profile and user adjustments made in the Device Settings dialog (Performance tab) (see Step 3). +  * **Original:** Use the original video'​s aspect ratio and do not use any aspect ratio adjustments from the device'​s device profile or from user adjustments made in the Device Settings dialog (Performance tab) (see Step 3). 
-[*][B]Original:[/B] Use the original video'​s aspect ratio and do not use any aspect ratio adjustments from the device'​s device profile or from user adjustments made in the Device Settings dialog (Performance tab) (see Step 3). +  * **SAR=1:1 (smaller):** Force SAR 1:1 square pixels, downscaling the video. 
-[*][B]SAR=1:1 (smaller):[/B] Force SAR 1:1 square pixels, downscaling the video. +  * **SAR=1:1 (bigger):** Force SAR 1:1 square pixels, upscaling the video. 
-[*][B]SAR=1:1 (bigger):[/B] Force SAR 1:1 square pixels, upscaling the video. +  * **16:9 -> 4:3 (narrower):** Force SAR 4:3 aspect ratio. 
-[*][B]16:9 -> 4:3 (narrower):[/B] Force SAR 4:3 aspect ratio +  * **4:3 -> 16:9 (wider):** Force SAR 16:9 aspect ratio. 
-[*][B]4:3 -> 16:9 (wider):[/B] Force SAR 16:9 aspect ratio + 
-[/LIST]+===== Step 3. Auto-correcting the aspect ratio for all videos streamed to your device =====
  
-[SIZE=+1][B]Step 3. Auto-correcting ​the aspect ratio for all videos ​streamed ​to your device[/B][/SIZE]+If you have found that your device has limited handling of video aspect ratio, then you can tell Mezzmo to auto correct ​the aspect ratio for all videos ​that you stream ​to this device.  This means you do not have to manually pre-transcode your files to fix aspect ratio issues as per Step 2.  Mezzmo will set the aspect ratio to SAR 1:1 square pixels which should be displayed correctly by all devices.
  
-If you have found that your device has limited handling of video aspect ratio, then you can tell Mezzmo ​to auto correct ​the aspect ratio for all videos that you stream to this device.  ​This means you do not have to manually pre-transcode your files to fix aspect ratio issues. ​ Mezzmo will set the aspect ratio to SAR 1:1 square pixels ​which should be displayed correctly by all devices.+  - Go to the **Media Devices** dialog in Mezzmo and edit your device. 
 +  ​- ​On the Device Settings dialog, go to the **Performance tab** and select the **Adjust video aspect ratio with square pixels** checkbox.
  
-[LIST=1] +The **Adjust video aspect ratio with square pixels** checkbox ​can have 3 values:
-[*]Go to the [B]Media Devices[/B] dialog in Mezzmo and edit your device. +
-[*]On the [B]Device Settings[/​B] dialog, go to the [B]Performance tab[/B] and use the [B]Adjust video aspect ratio with square pixels[/B] checkbox+
-[/LIST] +
-[IMG]http://​www.conceiva.com/​products/​mezzmo/​images/​forum/​device-settings-performance-tab.png[/​IMG]+
  
-The [B]Adjust ​video aspect ratio with square pixels[/B] checkbox can have 3 values:+  * **Unchecked:​** Do not adjust ​video aspect ratio for videos when streaming them to this device. 
 +  * **Fully checked:** Always adjust the video aspect ratio for videos when streaming them to this device - even if the videos are supported by the device. ​ This forces the videos to be transcoded to adjust the video aspect ratio. 
 +  * **Partially checked:** Only adjust the video aspect ratio for videos when they are not compatible with your device and require transcoding.
  
-[LIST] 
-[*][B]Unchecked:​[/​B] Do not adjust video aspect ratio for videos when streaming them to this device. 
-[*][B]Fully checked:​[/​B] Always adjust the video aspect ratio for videos when streaming them to this device - even if the videos are supported by the device. ​ This forces the videos to be transcoded to adjust the video aspect ratio. 
-[*][B]Partially checked:​[/​B] Only adjust the video aspect ratio for videos when they are not compatible with your device and require transcoding. 
-[/LIST]