1 files changed, 14 insertions, 0 deletions
diff --git a/avconv.h b/avconv.h
index 87b85857d7..b4e2bdb427 100644
--- a/avconv.h
+++ b/avconv.h
@@ -197,6 +197,17 @@ typedef struct InputFilter {
     struct InputStream *ist;
     struct FilterGraph *graph;
     uint8_t            *name;
+
+    // parameters configured for this input
+    int format;
+
+    int width, height;
+    AVRational sample_aspect_ratio;
+
+    int sample_rate;
+    uint64_t channel_layout;
+
+    AVBufferRef *hw_frames_ctx;
 } InputFilter;
 
 typedef struct OutputFilter {
@@ -464,6 +475,9 @@ int filtergraph_is_simple(FilterGraph *fg);
 int init_simple_filtergraph(InputStream *ist, OutputStream *ost);
 int init_complex_filtergraph(FilterGraph *fg);
 
+int ifilter_parameters_from_frame(InputFilter *ifilter, const AVFrame *frame);
+int ifilter_parameters_from_decoder(InputFilter *ifilter, const AVCodecContext *avctx);
+
 int avconv_parse_options(int argc, char **argv);
 
 int vdpau_init(AVCodecContext *s);