I see! That makes sense! Thank you I now make it past the open input On Fri, Jul 31, 2020 at 10:08 AM Richard Hussong <[email protected]> wrote:
> The interrupt_callback is not an error callback; it is called periodically > during length operations. You need to return 0 from your decode_interrupt() > if you want to continue processing. Otherwise, you get the "immediate exit > requested" error. > > - Richard > > On Fri, Jul 31, 2020 at 10:42 AM Carlos Esponda <[email protected]> > wrote: > >> I tried it, confirm it was valid with VLC however “immediate exit >> requested” is still the error I get. >> >> On Fri, Jul 31, 2020 at 9:30 AM KeithG <[email protected]> wrote: >> >>> Try this URL: >>> >>> rtsp://wowza.radia.cz:1935/CRo/DDur.stream >>> >>> Keith >>> >>> On Fri, Jul 31, 2020 at 9:11 AM Carlos Esponda < >>> [email protected]> wrote: >>> >>>> I took out my IP address just for anonymity. (I’m new to networking and >>>> not sure if it mattered) however I confirm my url works by testing it with >>>> VLC. The error I always get is “immediate exit requested” >>>> >>>> On Fri, Jul 31, 2020 at 8:34 AM Mihai Chindea <[email protected]> >>>> wrote: >>>> >>>>> i think your problem is the url you are passing to >>>>> "avformat_open_input", RTSP runs on top of TCP, i doubt it works without a >>>>> valid hostname/ip address. >>>>> >>>>> >>>>> Mihai, >>>>> >>>>> >>>>> ------------------------------ >>>>> *From:* Libav-user <[email protected]> on behalf of >>>>> Carlos Esponda <[email protected]> >>>>> *Sent:* Friday, July 31, 2020 2:25 AM >>>>> *To:* [email protected] >>>>> *Subject:* [NEWSLETTER] [Libav-user] help >>>>> >>>>> I am currently trying to read an RTSP stream with FFMPEG and can't get >>>>> past avformat_open_input. >>>>> >>>>> Any help would be appreciated! >>>>> >>>>> thank you. >>>>> >>>>> #include <iostream> >>>>> >>>>> extern "C" >>>>> { >>>>> #include <libavformat/avformat.h> >>>>> #include <libavcodec/avcodec.h> >>>>> #include <libavcodec/codec.h> >>>>> #include "libswscale/swscale.h" >>>>> #include "libavutil/avutil.h" >>>>> #include "libavutil/frame.h" >>>>> #include "libavcodec/codec_id.h" >>>>> #include "libavutil/pixfmt.h" >>>>> #include "libavutil/imgutils.h" >>>>> } >>>>> >>>>> >>>>> int decode_interrupt(void*); >>>>> >>>>> int main() >>>>> { >>>>> AVFrame* frame = NULL; >>>>> AVFormatContext* formatc = NULL; >>>>> const AVIOInterruptCB int_cb = { decode_interrupt, NULL }; >>>>> AVCodec* codec = NULL; >>>>> AVCodecContext* codecc = NULL; >>>>> char* error = new char[255]; >>>>> >>>>> if (!(frame = av_frame_alloc())) { >>>>> std::cout << " failed to alloc frame"; >>>>> return -1; >>>>> } >>>>> formatc = avformat_alloc_context(); >>>>> formatc->interrupt_callback = int_cb; >>>>> >>>>> codec = avcodec_find_decoder(AV_CODEC_ID_H264); >>>>> codecc = avcodec_alloc_context3(codec); >>>>> int result = avcodec_open2(codecc, codec, NULL); >>>>> if (result != 0) { >>>>> std::cout << "failed to open codec"; >>>>> } >>>>> >>>>> result = avformat_open_input(&formatc, "rtsp://:8554/testStream", >>>>> NULL, NULL); >>>>> if (result != 0) { >>>>> av_strerror(result, error, 255); >>>>> std::cout << "couldnt open input " << error<< std::endl; >>>>> avformat_close_input(&formatc); >>>>> return -1; >>>>> } >>>>> >>>>> result = avformat_find_stream_info(formatc, NULL); >>>>> if (result != 0) { >>>>> std::cout << "could not find stream information\n"; >>>>> return -1; >>>>> } >>>>> >>>>> return 0; >>>>> } >>>>> >>>>> int decode_interrupt(void * ctx) { >>>>> std::cout << "interupted\n"; >>>>> return -1; >>>>> } >>>>> >>>>> _______________________________________________ >>>>> Libav-user mailing list >>>>> [email protected] >>>>> https://ffmpeg.org/mailman/listinfo/libav-user >>>>> >>>>> To unsubscribe, visit link above, or email >>>>> [email protected] with subject "unsubscribe". >>>> >>>> _______________________________________________ >>>> Libav-user mailing list >>>> [email protected] >>>> https://ffmpeg.org/mailman/listinfo/libav-user >>>> >>>> To unsubscribe, visit link above, or email >>>> [email protected] with subject "unsubscribe". >>> >>> _______________________________________________ >>> Libav-user mailing list >>> [email protected] >>> https://ffmpeg.org/mailman/listinfo/libav-user >>> >>> To unsubscribe, visit link above, or email >>> [email protected] with subject "unsubscribe". >> >> _______________________________________________ >> Libav-user mailing list >> [email protected] >> https://ffmpeg.org/mailman/listinfo/libav-user >> >> To unsubscribe, visit link above, or email >> [email protected] with subject "unsubscribe". > > _______________________________________________ > Libav-user mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/libav-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe".
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