From 4226f0ce64953aa7636552ccfb3487fda30e4122 Mon Sep 17 00:00:00 2001
From: John Koleszar <jkoleszar@google.com>
Date: Wed, 27 Apr 2011 12:04:48 -0400
Subject: [PATCH] vpxdec: test for frame corruption
This change simply exercises the VP8D_GET_FRAME_CORRUPTED control,
outputting a warning message at the end if the bit was set for any
frames. Should never produce any output for good input.
Change-Id: Idaf6ba8f53660f47763cd563fa1485938580a37d
---
vpxdec.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/vpxdec.c b/vpxdec.c
index ca9af1ec18..3869e20ad3 100644
--- a/vpxdec.c
+++ b/vpxdec.c
@@ -725,6 +725,7 @@ int main(int argc, const char **argv_)
int vp8_dbg_display_mv = 0;
#endif
struct input_ctx input = {0};
+ int frames_corrupted = 0;
/* Parse command line */
exec_name = argv_[0];
@@ -1018,6 +1019,7 @@ int main(int argc, const char **argv_)
vpx_codec_iter_t iter = NULL;
vpx_image_t *img;
struct vpx_usec_timer timer;
+ int corrupted;
vpx_usec_timer_start(&timer);
@@ -1037,6 +1039,14 @@ int main(int argc, const char **argv_)
++frame_in;
+ if (vpx_codec_control(&decoder, VP8D_GET_FRAME_CORRUPTED, &corrupted))
+ {
+ fprintf(stderr, "Failed VP8_GET_FRAME_CORRUPTED: %s\n",
+ vpx_codec_error(&decoder));
+ goto fail;
+ }
+ frames_corrupted += corrupted;
+
if ((img = vpx_codec_get_frame(&decoder, &iter)))
++frame_out;
@@ -1102,6 +1112,9 @@ int main(int argc, const char **argv_)
fprintf(stderr, "\n");
}
+ if (frames_corrupted)
+ fprintf(stderr, "WARNING: %d frames corrupted.\n",frames_corrupted);
+
fail:
if (vpx_codec_destroy(&decoder))
@@ -1120,5 +1133,5 @@ fail:
fclose(infile);
free(argv);
- return EXIT_SUCCESS;
+ return frames_corrupted ? EXIT_FAILURE : EXIT_SUCCESS;
}
--
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