AVRational sample_aspect_ratio;
char sws_param[256];
int eof;
+ unsigned nb_failed_requests;
} BufferSourceContext;
#define CHECK_PARAM_CHANGE(s, c, width, height, format)\
avfilter_unref_buffer(buf);
return ret;
}
+ c->nb_failed_requests = 0;
return 0;
}
if ((ret = av_fifo_generic_write(c->fifo, &buf, sizeof(buf), NULL)) < 0)
return ret;
+ c->nb_failed_requests = 0;
return 0;
}
}
#endif
+unsigned av_vsrc_buffer_get_nb_failed_requests(AVFilterContext *buffer_src)
+{
+ return ((BufferSourceContext *)buffer_src->priv)->nb_failed_requests;
+}
+
static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
{
BufferSourceContext *c = ctx->priv;
if (!av_fifo_size(c->fifo)) {
if (c->eof)
return AVERROR_EOF;
+ c->nb_failed_requests++;
return AVERROR(EAGAIN);
}
av_fifo_generic_read(c->fifo, &buf, sizeof(buf), NULL);
int av_vsrc_buffer_add_video_buffer_ref(AVFilterContext *buffer_src,
AVFilterBufferRef *picref, int flags);
+/**
+ * Get the number of failed requests.
+ *
+ * A failed request is when the request_frame method is called while no
+ * frame is present in the buffer.
+ * The number is reset when a frame is added.
+ */
+unsigned av_vsrc_buffer_get_nb_failed_requests(AVFilterContext *buffer_src);
+
#endif /* AVFILTER_VSRC_BUFFER_H */