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# HG changeset patch
# User Randell Jesup <rjesup@jesup.org>
# Parent  1b77af186da211485fa9c5573d843d96c708a829
Bug 1263384: validate input frames against configured resolution in vp8 r=rillian

MozReview-Commit-ID: BxDCnJe0mzs

diff --git a/media/libvpx/vp8/vp8_cx_iface.c b/media/libvpx/vp8/vp8_cx_iface.c
--- a/media/libvpx/vp8/vp8_cx_iface.c
+++ b/media/libvpx/vp8/vp8_cx_iface.c
@@ -916,21 +916,30 @@ static vpx_codec_err_t vp8e_encode(vpx_c
         /* vp8 use 10,000,000 ticks/second as time stamp */
         dst_time_stamp    = pts * 10000000 * ctx->cfg.g_timebase.num / ctx->cfg.g_timebase.den;
         dst_end_time_stamp = (pts + duration) * 10000000 * ctx->cfg.g_timebase.num / ctx->cfg.g_timebase.den;
 
         if (img != NULL)
         {
             res = image2yuvconfig(img, &sd);
 
-            if (vp8_receive_raw_frame(ctx->cpi, ctx->next_frame_flag | lib_flags,
-                                      &sd, dst_time_stamp, dst_end_time_stamp))
-            {
-                VP8_COMP *cpi = (VP8_COMP *)ctx->cpi;
-                res = update_error_state(ctx, &cpi->common.error);
+            if (sd.y_width != ctx->cfg.g_w || sd.y_height != ctx->cfg.g_h) {
+                /* from vp8_encoder.h for g_w/g_h:
+                   "Note that the frames passed as input to the encoder must have this resolution"
+                */
+                ctx->base.err_detail = "Invalid input frame resolution";
+                res = VPX_CODEC_INVALID_PARAM;
+            } else {
+
+                if (vp8_receive_raw_frame(ctx->cpi, ctx->next_frame_flag | lib_flags,
+                                          &sd, dst_time_stamp, dst_end_time_stamp))
+                {
+                    VP8_COMP *cpi = (VP8_COMP *)ctx->cpi;
+                    res = update_error_state(ctx, &cpi->common.error);
+                }
             }
 
             /* reset for next frame */
             ctx->next_frame_flag = 0;
         }
 
         cx_data = ctx->cx_data;
         cx_data_sz = ctx->cx_data_sz;