ref: a90944ce794986d8c0daab1449903909ba1956a7
parent: 2543f37a33724463cfb60bb378100ee24bde83e9
author: Aidan Welch <[email protected]>
date: Fri Jan 4 23:51:24 EST 2019
added error messages in vpx_video_reader_open(). Change-Id: I3e521b62a2f99902c4be80fe25d3869121673e43
--- a/video_reader.c
+++ b/video_reader.c
@@ -30,17 +30,37 @@
char header[32];
VpxVideoReader *reader = NULL;
FILE *const file = fopen(filename, "rb");
- if (!file) return NULL; // Can't open file
+ if (!file) {+ fprintf(stderr, "%s can't be opened.\n", filename); // Can't open file
+ return NULL;
+ }
- if (fread(header, 1, 32, file) != 32) return NULL; // Can't read file header
+ if (fread(header, 1, 32, file) != 32) {+ fprintf(stderr, "File header on %s can't be read.\n",
+ filename); // Can't read file header
+ return NULL;
+ }
+ if (memcmp(kIVFSignature, header, 4) != 0) {+ fprintf(stderr, "The IVF signature on %s is wrong.\n",
+ filename); // Wrong IVF signature
- if (memcmp(kIVFSignature, header, 4) != 0)
- return NULL; // Wrong IVF signature
+ return NULL;
+ }
+ if (mem_get_le16(header + 4) != 0) {+ fprintf(stderr, "%s uses the wrong IVF version.\n",
+ filename); // Wrong IVF version
- if (mem_get_le16(header + 4) != 0) return NULL; // Wrong IVF version
+ return NULL;
+ }
reader = calloc(1, sizeof(*reader));
- if (!reader) return NULL; // Can't allocate VpxVideoReader
+ if (!reader) {+ fprintf(
+ stderr,
+ "Can't allocate VpxVideoReader\n"); // Can't allocate VpxVideoReader
+
+ return NULL;
+ }
reader->file = file;
reader->info.codec_fourcc = mem_get_le32(header + 8);