13.04.12 14:16, Maksym Veremeyenko написав(ла):
> Hi,
>
> i have a problem creating thumbnail from videofile.
>
> *melt* command line works fine:
>
> /usr/local/mltframework.org/mlt/bin/melt -profile dv_pal R0009178.mpg
> in=100 out=100 -consumer avformat:R0009178.png s=128x72 vcodec=png f=image2
>
> but program code sample do not work properly:
>
> #include<stdlib.h>
> #include<sys/types.h>
> #include<unistd.h>
> #include<string.h>
> #include<errno.h>
> #include<framework/mlt.h>
> int main(int argc, char** argv)
> {
> mlt_consumer consumer;
> mlt_producer producer;
> mlt_profile profile;
> mlt_properties c_props, p_props;
>
> if(3 != argc)
> return 1;
> mlt_factory_init(NULL);
> profile = mlt_profile_init("dv_pal");
> producer = mlt_factory_producer(profile, NULL, argv[1]);
> consumer = mlt_factory_consumer(profile, "avformat", argv[2]);
> c_props = mlt_consumer_properties(consumer);
> p_props = mlt_producer_properties(producer);
> mlt_properties_set_int(p_props, "in", 100);
> mlt_properties_set_int(p_props, "out", 100);
> mlt_properties_set(c_props, "s", "96x72");
> mlt_properties_set(c_props, "vcodec", "png");
> mlt_properties_set(c_props, "f", "image2");
> mlt_consumer_connect(consumer, mlt_producer_service(producer));
> mlt_consumer_start(consumer);
> while(!mlt_consumer_is_stopped(consumer)) usleep(40);
> mlt_consumer_stop(consumer);
> mlt_consumer_close(consumer);
> mlt_producer_close(producer);
> mlt_profile_close(profile);
> return 0;
> };
>
> it output always first frame, so setting in/out does not help... any hint?
>
ping?
--
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Maksym Veremeyenko
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