回复： can not get decoded data from appsink in GStreamer v1.0.9

[Brendan Long]

How are you getting the sample? Is it possible that you're accidentally
blocking the pipeline?I think you're supposed to use "pull-sample" to
get the new sample, but if you call "pull-sample" where there is no
sample, it will block, and depending on how you're running your
pipeline, that could block everything. That's just a guess though, since
you're not showing very much of your code.

On 08/24/2013 05:18 AM, jojo wrote:
> Hi,
> i use the simplest pipe line again as bellow:
>
> pipe = gst_parse_launch("appsrc is-live=1 do-timestamp=1
> caps=\"image/jpeg, width=1920, height=1080\" name=\"appsrc\" ! appsink
> name=\"appsink\"");
>
> it can get the first 1 "sample" just only.
>
> Thanks,
>
> - Jojo
>
> 在 2013年8月24日星期六，下午5:17，jojo 写道：
>
>> Hi,
>> My pipeline is :
>>
>> pipe = gst_parse_launch("appsrc is-live=1 do-timestamp=1
>> caps=image/jpeg, width=1920, height=1080 name=\"appsrc\" ! decodebin
>> ! queue !  videoconvert ! appsink caps=\"%s\" name=\"appsink\",
>> GST_VIDEO_CAPS_MAKE("BGRx")).
>>
>> g_signal_connect (appsink, "new-sample", G_CALLBACK (cb_new_buffer),
>> data);
>>
>> in the gstreamer v0.10, the callback is triggered if there are new
>> buffer, but i can not get new data from this callback in the version
>> 1.0.9,
>>
>> some of my parameters of "gst_parse_launch" are wrong ?
>>
>> Any hins will be helpful.
>>
>> Thanks,
>>
>> - Jojo
>>
>
>
>
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