void FFMPEGInvoker::process(const SendRequest& req) { std::string context; Event::getParam(req.params, "context", context); if (_encoders.find(context) == _encoders.end()) { return; } EncodingContext* ctx = _encoders[context]; tthread::lock_guard<tthread::recursive_mutex> lock(ctx->mutex); // finish encoding and return if(iequals(req.name, "render.end")) { finish(ctx, req); delete _encoders[context]; _encoders.erase(context); } Data image; Event::getParam(req.params, "frame", image); if (image.empty()) { return; } std::string format = "bmp"; Event::getParam(req.params, "format", format); writeVideoFrame(ctx, ctx->formatCtx, ctx->videoStream, image.binary); ctx->frame->pts += av_rescale_q(1, ctx->videoStream->codec->time_base, ctx->videoStream->time_base); }
void FFMpegManager::create(const QString &filePath, int formatId, const QStringList &paths, const QSize &size, int fps) { #ifdef HAVE_FFMPEG AVOutputFormat *fmt = guess_format(0, filePath.toLatin1().data(), 0); if ( !fmt ) { fmt = guess_format("mpeg", NULL, NULL); } // AVFormatParameters params, *ap = ¶ms; switch(formatId) { case ExportInterface::ASF: { } break; case ExportInterface::AVI: { fmt->video_codec = CODEC_ID_MSMPEG4V3; // video_st->codec.codec_tag = 0; } break; case ExportInterface::MOV: { } break; case ExportInterface::MPEG: { } break; case ExportInterface::RM: { } break; case ExportInterface::SWF: { } break; case ExportInterface::GIF: { // AVImageFormat *imageFormat = guess_image_format(filePath.toLatin1().data()); // // memset(ap, 0, sizeof(*ap)); // ap->image_format = imageFormat; } break; default: break; } AVFormatContext *oc = av_alloc_format_context(); if ( !oc ) { dError() << "Error while export"; return; } oc->oformat = fmt; snprintf(oc->filename, sizeof(oc->filename), "%s", filePath.toLatin1().data()); AVStream *video_st = addVideoStream(oc, fmt->video_codec, size.width(), size.height(), fps); if ( !video_st ) { dError() << "Can't add video stream"; return; } if (av_set_parameters(oc, 0) < 0) { dError() << "Invalid output format parameters"; return ; } dump_format(oc, 0, filePath.toLatin1().data(), 1); if (!openVideo(oc, video_st) ) { dError() << "Can't open video"; return; } if (!(fmt->flags & AVFMT_NOFILE)) { if (url_fopen(&oc->pb, filePath.toLatin1().data(), URL_WRONLY) < 0) { dError() << "Could not open " << filePath.toLatin1().data(); return; } } av_write_header(oc); double video_pts = 0.0; foreach(QString imagePath, paths) { if (video_st) { video_pts = (double)video_st->pts.val * video_st->time_base.num / video_st->time_base.den; } else { video_pts = 0.0; } if (!video_st || video_pts >= m_streamDuration ) { break; } if (! writeVideoFrame(imagePath, oc, video_st, fps) ) { break; } } closeVideo(oc, video_st); av_write_trailer(oc); for(int i = 0; i < oc->nb_streams; i++) { av_freep(&oc->streams[i]); } if (!(fmt->flags & AVFMT_NOFILE)) { /* close the output file */ url_fclose(&oc->pb); } av_free(oc); #endif }