shithub: libvpx

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Set VPX_FRAME_IS_DROPPABLE

Allow the encoder to inform the application that the encoded frame will not
be used as a reference.

Change-Id: I90e41962325ef73d44da03327deb340d6f7f4860

--- a/vp8/encoder/onyx_if.c

+++ b/vp8/encoder/onyx_if.c

@@ -4589,6 +4589,20 @@

 }

+static int frame_is_reference(const VP8_COMP *cpi)

+{

+    const VP8_COMMON *cm = &cpi->common;

+    const MACROBLOCKD *xd = &cpi->mb.e_mbd;

+

+    return cm->frame_type == KEY_FRAME || cm->refresh_last_frame

+           || cm->refresh_golden_frame || cm->refresh_alt_ref_frame

+           || cm->copy_buffer_to_gf || cm->copy_buffer_to_arf

+           || cm->refresh_entropy_probs

+           || xd->mode_ref_lf_delta_update

+           || xd->update_mb_segmentation_map || xd->update_mb_segmentation_data;

+}

+

+

 int vp8_get_compressed_data(VP8_PTR ptr, unsigned int *frame_flags, unsigned long *size, unsigned char *dest, INT64 *time_stamp, INT64 *time_end, int flush)

 {

 #if HAVE_ARMV7

@@ -4845,6 +4859,7 @@

     // if its a dropped frame honor the requests on subsequent frames

     if (*size > 0)

     {

+        cpi->droppable = !frame_is_reference(cpi);

         // return to normal state

         cm->refresh_entropy_probs = 1;

--- a/vp8/encoder/onyx_int.h

+++ b/vp8/encoder/onyx_int.h

@@ -615,6 +615,7 @@

 #if CONFIG_REALTIME_ONLY

     int force_next_frame_intra; /* force next frame to intra when kf_auto says so */

 #endif

+    int droppable;

 } VP8_COMP;

 void control_data_rate(VP8_COMP *cpi);

--- a/vp8/vp8_cx_iface.c

+++ b/vp8/vp8_cx_iface.c

@@ -798,6 +798,9 @@

                     pkt.data.frame.duration = 0;

                 }

+                if (cpi->droppable)

+                    pkt.data.frame.flags |= VPX_FRAME_IS_DROPPABLE;

+

                 if (cpi->output_partition)

                 {

                     int i;

-- 

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