C++ (Cpp) ms_video_update_average_fps Exemples

Exemple #1

Fichier : androidvideo.cpp Projet : Accontech/mediastreamer2

static void video_capture_process(MSFilter *f){
	AndroidReaderContext* d = getContext(f);

	ms_mutex_lock(&d->mutex);

	// If frame not ready, return
	if (d->frame == 0) {
		ms_mutex_unlock(&d->mutex);
		return;
	}

	ms_video_update_average_fps(&d->averageFps, f->ticker->time);

	ms_queue_put(f->outputs[0],d->frame);
	d->frame = 0;
	ms_mutex_unlock(&d->mutex);
}

Exemple #2

static void dec_process(MSFilter *f) {
	mblk_t *im;
	DecState *s=(DecState*)f->data;

	while( (im=ms_queue_get(f->inputs[0]))!=0) {
		mblk_t *m;

		dec_unpacketize(f, s, im, &s->q);

		while((m=ms_queue_get(&s->q))!=NULL){
			vpx_codec_err_t err;
			vpx_codec_iter_t  iter = NULL;
			vpx_image_t *img;

			err = vpx_codec_decode(&s->codec, m->b_rptr, m->b_wptr - m->b_rptr, NULL, 0);
			if (err) {
				ms_warning("vpx_codec_decode failed : %d %s (%s)\n", err, vpx_codec_err_to_string(err), vpx_codec_error_detail(&s->codec));

				if ((f->ticker->time - s->last_error_reported_time)>5000 || s->last_error_reported_time==0) {
					s->last_error_reported_time=f->ticker->time;
					ms_filter_notify_no_arg(f,MS_VIDEO_DECODER_DECODING_ERRORS);
				}
				if (s->first_image_decoded == FALSE) {
					/* if no frames have been decoded yet, do not try to browse decoded frames */
					freemsg(m);
					continue;
				}
			}


			/* browse decoded frames */
			while((img = vpx_codec_get_frame(&s->codec, &iter))) {
				int i,j;

				if (s->yuv_width != img->d_w || s->yuv_height != img->d_h) {
					if (s->yuv_msg)
						freemsg(s->yuv_msg);
					s->yuv_msg = ms_yuv_buf_alloc(&s->outbuf, img->d_w, img->d_h);
					s->yuv_width = img->d_w;
					s->yuv_height = img->d_h;
				}

				/* scale/copy frame to destination mblk_t */
				for(i=0; i<3; i++) {
					uint8_t* dest = s->outbuf.planes[i];
					uint8_t* src = img->planes[i];
					int h = img->d_h >> ((i>0)?1:0);

					for(j=0; j<h; j++) {
						memcpy(dest, src, s->outbuf.strides[i]);

						dest += s->outbuf.strides[i];
						src += img->stride[i];
					}
				}
				ms_queue_put(f->outputs[0], dupmsg(s->yuv_msg));

				if (ms_video_update_average_fps(&s->fps, f->ticker->time)) {
					ms_message("VP8 decoder: Frame size: %dx%d", s->yuv_width, s->yuv_height);
				}
				if (!s->first_image_decoded) {
					s->first_image_decoded = TRUE;
					ms_filter_notify_no_arg(f,MS_VIDEO_DECODER_FIRST_IMAGE_DECODED);
				}
			}
			freemsg(m);
		}
	}
}